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| author |  Junio C Hamano <junkio@cox.net> | 2006-05-06 14:42:08 -0700 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-05-06 14:42:59 -0700 |
| commit | c66b6c067e49c5ec80f1254daef79aa1c7f5ffce (patch) | |
| tree | 48367903de59ddef7aea7c8f20da4e07243e8d44 | |
| parent | Teach fmt-patch about --keep-subject (diff) | |
| parent | t1300-repo-config: two new config parsing tests. (diff) | |
| download | tgif-c66b6c067e49c5ec80f1254daef79aa1c7f5ffce.tar.xz | |
Merge branch 'master' into js/fmt-patch
* master: (109 commits)
t1300-repo-config: two new config parsing tests.
Another config file parsing fix.
update-index: plug memory leak from prefix_path()
checkout-index: plug memory leak from prefix_path()
update-index --unresolve: work from a subdirectory.
pack-object: squelch eye-candy on non-tty
core.prefersymlinkrefs: use symlinks for .git/HEAD
repo-config: trim white-space before comment
Fix for config file section parsing.
Clarify git-cherry documentation.
Update git-unpack-objects documentation.
Fix up docs where "--" isn't displayed correctly.
Several trivial documentation touch ups.
git-svn 1.0.0
git-svn: documentation updates
delta: stricter constness
Makefile: do not link rev-list any specially.
builtin-push: --all and --tags _are_ explicit refspecs
builtin-log/whatchanged/show: make them official.
show-branch: omit uninteresting merges.
...
90 files changed, 6031 insertions, 3156 deletions
diff --git a/Documentation/Makefile b/Documentation/Makefile index f4cbf7e159..c1af22ce04 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -79,7 +79,7 @@ clean: asciidoc -b xhtml11 -d manpage -f asciidoc.conf $< %.1 %.7 : %.xml - xmlto man $< + xmlto -m callouts.xsl man $< %.xml : %.txt asciidoc -b docbook -d manpage -f asciidoc.conf $< diff --git a/Documentation/callouts.xsl b/Documentation/callouts.xsl new file mode 100644 index 0000000000..ad03755d8f --- /dev/null +++ b/Documentation/callouts.xsl @@ -0,0 +1,16 @@ +<!-- callout.xsl: converts asciidoc callouts to man page format --> +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> +<xsl:template match="co"> + <xsl:value-of select="concat('\fB(',substring-after(@id,'-'),')\fR')"/> +</xsl:template> +<xsl:template match="calloutlist"> + <xsl:text>.sp </xsl:text> + <xsl:apply-templates/> + <xsl:text> </xsl:text> +</xsl:template> +<xsl:template match="callout"> + <xsl:value-of select="concat('\fB',substring-after(@arearefs,'-'),'. \fR')"/> + <xsl:apply-templates/> + <xsl:text>.br </xsl:text> +</xsl:template> +</xsl:stylesheet> diff --git a/Documentation/config.txt b/Documentation/config.txt new file mode 100644 index 0000000000..d1a4bec0d4 --- /dev/null +++ b/Documentation/config.txt @@ -0,0 +1,183 @@ +CONFIGURATION FILE +------------------ + +The git configuration file contains a number of variables that affect +the git commands behaviour. They can be used by both the git plumbing +and the porcelains. The variables are divided to sections, where +in the fully qualified variable name the variable itself is the last +dot-separated segment and the section name is everything before the last +dot. The variable names are case-insensitive and only alphanumeric +characters are allowed. Some variables may appear multiple times. + +The syntax is fairly flexible and permissive; whitespaces are mostly +ignored. The '#' and ';' characters begin commends to the end of line, +blank lines are ignored, lines containing strings enclosed in square +brackets start sections and all the other lines are recognized +as setting variables, in the form 'name = value'. If there is no equal +sign on the line, the entire line is taken as 'name' and the variable +is recognized as boolean "true". String values may be entirely or partially +enclosed in double quotes; some variables may require special value format. + +Example +~~~~~~~ + + # Core variables + [core] + ; Don't trust file modes + filemode = false + + # Our diff algorithm + [diff] + external = "/usr/local/bin/gnu-diff -u" + renames = true + +Variables +~~~~~~~~~ + +Note that this list is non-comprehensive and not necessarily complete. +For command-specific variables, you will find more detailed description +in the appropriate manual page. You will find description of non-core +porcelain configuration variables in the respective porcelain documentation. + +core.fileMode:: + If false, the executable bit differences between the index and + the working copy are ignored; useful on broken filesystems like FAT. + See gitlink:git-update-index[1]. True by default. + +core.gitProxy:: + A "proxy command" to execute (as 'command host port') instead + of establishing direct connection to the remote server when + using the git protocol for fetching. If the variable value is + in the "COMMAND for DOMAIN" format, the command is applied only + on hostnames ending with the specified domain string. This variable + may be set multiple times and is matched in the given order; + the first match wins. + + Can be overriden by the 'GIT_PROXY_COMMAND' environment variable + (which always applies universally, without the special "for" + handling). + +core.ignoreStat:: + The working copy files are assumed to stay unchanged until you + mark them otherwise manually - Git will not detect the file changes + by lstat() calls. This is useful on systems where those are very + slow, such as Microsoft Windows. See gitlink:git-update-index[1]. + False by default. + +core.preferSymlinkRefs:: + Instead of the default "symref" format for HEAD + and other symbolic reference files, use symbolic links. + This is sometimes needed to work with old scripts that + expect HEAD to be a symbolic link. + +core.repositoryFormatVersion:: + Internal variable identifying the repository format and layout + version. + +core.sharedRepository:: + If true, the repository is made shareable between several users + in a group (making sure all the files and objects are group-writable). + See gitlink:git-init-db[1]. False by default. + +core.warnAmbiguousRefs:: + If true, git will warn you if the ref name you passed it is ambiguous + and might match multiple refs in the .git/refs/ tree. True by default. + +apply.whitespace:: + Tells `git-apply` how to handle whitespaces, in the same way + as the '--whitespace' option. See gitlink:git-apply[1]. + +diff.renameLimit:: + The number of files to consider when performing the copy/rename + detection; equivalent to the git diff option '-l'. + +format.headers:: + Additional email headers to include in a patch to be submitted + by mail. See gitlink:git-format-patch[1]. + +gitcvs.enabled:: + Whether the cvs pserver interface is enabled for this repository. + See gitlink:git-cvsserver[1]. + +gitcvs.logfile:: + Path to a log file where the cvs pserver interface well... logs + various stuff. See gitlink:git-cvsserver[1]. + +http.sslVerify:: + Whether to verify the SSL certificate when fetching or pushing + over HTTPS. Can be overriden by the 'GIT_SSL_NO_VERIFY' environment + variable. + +http.sslCert:: + File containing the SSL certificate when fetching or pushing + over HTTPS. Can be overriden by the 'GIT_SSL_CERT' environment + variable. + +http.sslKey:: + File containing the SSL private key when fetching or pushing + over HTTPS. Can be overriden by the 'GIT_SSL_KEY' environment + variable. + +http.sslCAInfo:: + File containing the certificates to verify the peer with when + fetching or pushing over HTTPS. Can be overriden by the + 'GIT_SSL_CAINFO' environment variable. + +http.sslCAPath:: + Path containing files with the CA certificates to verify the peer + with when fetching or pushing over HTTPS. Can be overriden + by the 'GIT_SSL_CAPATH' environment variable. + +http.maxRequests:: + How many HTTP requests to launch in parallel. Can be overriden + by the 'GIT_HTTP_MAX_REQUESTS' environment variable. Default is 5. + +http.lowSpeedLimit, http.lowSpeedTime:: + If the HTTP transfer speed is less than 'http.lowSpeedLimit' + for longer than 'http.lowSpeedTime' seconds, the transfer is aborted. + Can be overriden by the 'GIT_HTTP_LOW_SPEED_LIMIT' and + 'GIT_HTTP_LOW_SPEED_TIME' environment variables. + +i18n.commitEncoding:: + Character encoding the commit messages are stored in; git itself + does not care per se, but this information is necessary e.g. when + importing commits from emails or in the gitk graphical history + browser (and possibly at other places in the future or in other + porcelains). See e.g. gitlink:git-mailinfo[1]. Defaults to 'utf-8'. + +merge.summary:: + Whether to include summaries of merged commits in newly created + merge commit messages. False by default. + +pull.octopus:: + The default merge strategy to use when pulling multiple branches + at once. + +pull.twohead:: + The default merge strategy to use when pulling a single branch. + +show.difftree:: + The default gitlink:git-diff-tree[1] arguments to be used + for gitlink:git-show[1]. + +showbranch.default:: + The default set of branches for gitlink:git-show-branch[1]. + See gitlink:git-show-branch[1]. + +user.email:: + Your email address to be recorded in any newly created commits. + Can be overriden by the 'GIT_AUTHOR_EMAIL' and 'GIT_COMMITTER_EMAIL' + environment variables. See gitlink:git-commit-tree[1]. + +user.name:: + Your full name to be recorded in any newly created commits. + Can be overriden by the 'GIT_AUTHOR_NAME' and 'GIT_COMMITTER_NAME' + environment variables. See gitlink:git-commit-tree[1]. + +whatchanged.difftree:: + The default gitlink:git-diff-tree[1] arguments to be used + for gitlink:git-whatchanged[1]. + +imap:: + The configuration variables in the 'imap' section are described + in gitlink:git-imap-send[1]. diff --git a/Documentation/everyday.txt b/Documentation/everyday.txt index 3ab9b916c2..4b56370937 100644 --- a/Documentation/everyday.txt +++ b/Documentation/everyday.txt @@ -61,7 +61,8 @@ $ git prune $ git count-objects <2> $ git repack <3> $ git prune <4> - +------------ ++ <1> running without "--full" is usually cheap and assures the repository health reasonably well. <2> check how many loose objects there are and how much @@ -69,17 +70,16 @@ diskspace is wasted by not repacking. <3> without "-a" repacks incrementally. repacking every 4-5MB of loose objects accumulation may be a good rule of thumb. <4> after repack, prune removes the duplicate loose objects. ------------- Repack a small project into single pack.:: + ------------ $ git repack -a -d <1> $ git prune - +------------ ++ <1> pack all the objects reachable from the refs into one pack and remove unneeded other packs ------------- Individual Developer (Standalone)[[Individual Developer (Standalone)]] @@ -129,10 +129,10 @@ $ git-init-db $ git add . <1> $ git commit -m 'import of frotz source tree.' $ git tag v2.43 <2> - +------------ ++ <1> add everything under the current directory. <2> make a lightweight, unannotated tag. ------------- Create a topic branch and develop.:: + @@ -153,7 +153,8 @@ $ git checkout master <9> $ git pull . alsa-audio <10> $ git log --since='3 days ago' <11> $ git log v2.43.. curses/ <12> - +------------ ++ <1> create a new topic branch. <2> revert your botched changes in "curses/ux_audio_oss.c". <3> you need to tell git if you added a new file; removal and @@ -170,7 +171,6 @@ you originally wrote. combined and include --max-count=10 (show 10 commits), --until='2005-12-10'. <12> view only the changes that touch what's in curses/ directory, since v2.43 tag. ------------- Individual Developer (Participant)[[Individual Developer (Participant)]] @@ -208,7 +208,8 @@ $ git pull git://git.kernel.org/pub/.../jgarzik/libata-dev.git ALL <5> $ git reset --hard ORIG_HEAD <6> $ git prune <7> $ git fetch --tags <8> - +------------ ++ <1> repeat as needed. <2> extract patches from your branch for e-mail submission. <3> "pull" fetches from "origin" by default and merges into the @@ -221,7 +222,6 @@ area we are interested in. <7> garbage collect leftover objects from reverted pull. <8> from time to time, obtain official tags from the "origin" and store them under .git/refs/tags/. ------------- Push into another repository.:: @@ -239,7 +239,8 @@ satellite$ git push origin <4> mothership$ cd frotz mothership$ git checkout master mothership$ git pull . satellite <5> - +------------ ++ <1> mothership machine has a frotz repository under your home directory; clone from it to start a repository on the satellite machine. @@ -252,7 +253,6 @@ to local "origin" branch. mothership machine. You could use this as a back-up method. <5> on mothership machine, merge the work done on the satellite machine into the master branch. ------------- Branch off of a specific tag.:: + @@ -262,12 +262,12 @@ $ edit/compile/test; git commit -a $ git checkout master $ git format-patch -k -m --stdout v2.6.14..private2.6.14 | git am -3 -k <2> - +------------ ++ <1> create a private branch based on a well known (but somewhat behind) tag. <2> forward port all changes in private2.6.14 branch to master branch without a formal "merging". ------------- Integrator[[Integrator]] @@ -317,7 +317,8 @@ $ git tag -s -m 'GIT 0.99.9x' v0.99.9x <10> $ git fetch ko && git show-branch master maint 'tags/ko-*' <11> $ git push ko <12> $ git push ko v0.99.9x <13> - +------------ ++ <1> see what I was in the middle of doing, if any. <2> see what topic branches I have and think about how ready they are. @@ -346,7 +347,6 @@ In the output from "git show-branch", "master" should have everything "ko-master" has. <12> push out the bleeding edge. <13> push the tag out, too. ------------- Repository Administration[[Repository Administration]] @@ -367,7 +367,6 @@ example of managing a shared central repository. Examples ~~~~~~~~ - Run git-daemon to serve /pub/scm from inetd.:: + ------------ @@ -388,13 +387,13 @@ cindy:x:1002:1002::/home/cindy:/usr/bin/git-shell david:x:1003:1003::/home/david:/usr/bin/git-shell $ grep git /etc/shells <2> /usr/bin/git-shell - +------------ ++ <1> log-in shell is set to /usr/bin/git-shell, which does not allow anything but "git push" and "git pull". The users should get an ssh access to the machine. <2> in many distributions /etc/shells needs to list what is used as the login shell. ------------- CVS-style shared repository.:: + @@ -419,7 +418,8 @@ $ cat info/allowed-users <4> refs/heads/master alice\|cindy refs/heads/doc-update bob refs/tags/v[0-9]* david - +------------ ++ <1> place the developers into the same git group. <2> and make the shared repository writable by the group. <3> use update-hook example by Carl from Documentation/howto/ @@ -427,7 +427,6 @@ for branch policy control. <4> alice and cindy can push into master, only bob can push into doc-update. david is the release manager and is the only person who can create and push version tags. ------------- HTTP server to support dumb protocol transfer.:: + @@ -435,7 +434,7 @@ HTTP server to support dumb protocol transfer.:: dev$ git update-server-info <1> dev$ ftp user@isp.example.com <2> ftp> cp -r .git /home/user/myproject.git - +------------ ++ <1> make sure your info/refs and objects/info/packs are up-to-date <2> upload to public HTTP server hosted by your ISP. ------------- diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt index ae24547c8a..5e3112943d 100644 --- a/Documentation/git-add.txt +++ b/Documentation/git-add.txt @@ -26,7 +26,7 @@ OPTIONS -v:: Be verbose. ---:: +\--:: This option can be used to separate command-line options from the list of files, (useful when filenames might be mistaken for command-line options). diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt index 71ecd858aa..72fb2f89b4 100644 --- a/Documentation/git-branch.txt +++ b/Documentation/git-branch.txt @@ -3,22 +3,27 @@ git-branch(1) NAME ---- -git-branch - Create a new branch, or remove an old one +git-branch - List, create, or delete branches. SYNOPSIS -------- [verse] -'git-branch' [[-f] <branchname> [<start-point>]] -'git-branch' (-d | -D) <branchname> +'git-branch' [-r] +'git-branch' [-f] <branchname> [<start-point>] +'git-branch' (-d | -D) <branchname>... DESCRIPTION ----------- -If no argument is provided, show available branches and mark current -branch with star. Otherwise, create a new branch of name <branchname>. -If a starting point is also specified, that will be where the branch is -created, otherwise it will be created at the current HEAD. +With no arguments given (or just `-r`) a list of available branches +will be shown, the current branch will be highlighted with an asterisk. -With a `-d` or `-D` option, `<branchname>` will be deleted. +In its second form, a new branch named <branchname> will be created. +It will start out with a head equal to the one given as <start-point>. +If no <start-point> is given, the branch will be created with a head +equal to that of the currently checked out branch. + +With a `-d` or `-D` option, `<branchname>` will be deleted. You may +specify more than one branch for deletion. OPTIONS @@ -30,40 +35,56 @@ OPTIONS Delete a branch irrespective of its index status. -f:: - Force a reset of <branchname> to <start-point> (or current head). + Force the creation of a new branch even if it means deleting + a branch that already exists with the same name. + +-r:: + List only the "remote" branches. <branchname>:: The name of the branch to create or delete. <start-point>:: - Where to create the branch; defaults to HEAD. This - option has no meaning with -d and -D. + The new branch will be created with a HEAD equal to this. It may + be given as a branch name, a commit-id, or a tag. If this option + is omitted, the current branch is assumed. + Examples -~~~~~~~~ +-------- Start development off of a known tag:: + ------------ $ git clone git://git.kernel.org/pub/scm/.../linux-2.6 my2.6 $ cd my2.6 -$ git branch my2.6.14 v2.6.14 <1> +$ git branch my2.6.14 v2.6.14 <1> $ git checkout my2.6.14 - -<1> These two steps are the same as "checkout -b my2.6.14 v2.6.14". ------------ ++ +<1> This step and the next one could be combined into a single step with +"checkout -b my2.6.14 v2.6.14". Delete unneeded branch:: + ------------ $ git clone git://git.kernel.org/.../git.git my.git $ cd my.git -$ git branch -D todo <1> - +$ git branch -D todo <1> +------------ ++ <1> delete todo branch even if the "master" branch does not have all commits from todo branch. ------------- + + +Notes +----- + +If you are creating a branch that you want to immediately checkout, it's +easier to use the git checkout command with its `-b` option to create +a branch and check it out with a single command. + Author ------ diff --git a/Documentation/git-checkout-index.txt b/Documentation/git-checkout-index.txt index 09bd6a5535..765c173e15 100644 --- a/Documentation/git-checkout-index.txt +++ b/Documentation/git-checkout-index.txt @@ -63,7 +63,7 @@ OPTIONS Only meaningful with `--stdin`; paths are separated with NUL character instead of LF. ---:: +\--:: Do not interpret any more arguments as options. The order of the flags used to matter, but not anymore. diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt index 985bb2f827..095128906a 100644 --- a/Documentation/git-checkout.txt +++ b/Documentation/git-checkout.txt @@ -66,19 +66,19 @@ the `Makefile` to two revisions back, deletes hello.c by mistake, and gets it back from the index. + ------------ -$ git checkout master <1> -$ git checkout master~2 Makefile <2> +$ git checkout master <1> +$ git checkout master~2 Makefile <2> $ rm -f hello.c -$ git checkout hello.c <3> - +$ git checkout hello.c <3> +------------ ++ <1> switch branch <2> take out a file out of other commit -<3> or "git checkout -- hello.c", as in the next example. ------------- +<3> restore hello.c from HEAD of current branch + -If you have an unfortunate branch that is named `hello.c`, the -last step above would be confused as an instruction to switch to -that branch. You should instead write: +If you have an unfortunate branch that is named `hello.c`, this +step would be confused as an instruction to switch to that branch. +You should instead write: + ------------ $ git checkout -- hello.c diff --git a/Documentation/git-cherry.txt b/Documentation/git-cherry.txt index 9a5e37186f..893baaa6f6 100644 --- a/Documentation/git-cherry.txt +++ b/Documentation/git-cherry.txt @@ -11,11 +11,20 @@ SYNOPSIS DESCRIPTION ----------- -Each commit between the fork-point and <head> is examined, and compared against -the change each commit between the fork-point and <upstream> introduces. -Commits already included in upstream are prefixed with '-' (meaning "drop from -my local pull"), while commits missing from upstream are prefixed with '+' -(meaning "add to the updated upstream"). +The changeset (or "diff") of each commit between the fork-point and <head> +is compared against each commit between the fork-point and <upstream>. + +Every commit with a changeset that doesn't exist in the other branch +has its id (sha1) reported, prefixed by a symbol. Those existing only +in the <upstream> branch are prefixed with a minus (-) sign, and those +that only exist in the <head> branch are prefixed with a plus (+) symbol. + +Because git-cherry compares the changeset rather than the commit id +(sha1), you can use git-cherry to find out if a commit you made locally +has been applied <upstream> under a different commit id. For example, +this will happen if you're feeding patches <upstream> via email rather +than pushing or pulling commits directly. + OPTIONS ------- diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt index 131e445747..b333f51045 100644 --- a/Documentation/git-clone.txt +++ b/Documentation/git-clone.txt @@ -101,7 +101,7 @@ OPTIONS is not allowed. Examples -~~~~~~~~ +-------- Clone from upstream:: + diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt index 0a7365b9a8..38df59ce23 100644 --- a/Documentation/git-commit.txt +++ b/Documentation/git-commit.txt @@ -106,7 +106,7 @@ but can be used to amend a merge commit. index and the latest commit does not match on the specified paths to avoid confusion. ---:: +\--:: Do not interpret any more arguments as options. <file>...:: diff --git a/Documentation/git-count-objects.txt b/Documentation/git-count-objects.txt index 47216f488b..198ce77a8a 100644 --- a/Documentation/git-count-objects.txt +++ b/Documentation/git-count-objects.txt @@ -7,13 +7,23 @@ git-count-objects - Reports on unpacked objects SYNOPSIS -------- -'git-count-objects' +'git-count-objects' [-v] DESCRIPTION ----------- This counts the number of unpacked object files and disk space consumed by them, to help you decide when it is a good time to repack. + +OPTIONS +------- +-v:: + In addition to the number of loose objects and disk + space consumed, it reports the number of in-pack + objects, and number of objects that can be removed by + running `git-prune-packed`. + + Author ------ Written by Junio C Hamano <junkio@cox.net> diff --git a/Documentation/git-diff-tree.txt b/Documentation/git-diff-tree.txt index 2169169850..906830d4bf 100644 --- a/Documentation/git-diff-tree.txt +++ b/Documentation/git-diff-tree.txt @@ -92,7 +92,7 @@ separated with a single space are given. Furthermore, it lists only files which were modified from all parents. --cc:: +--cc:: This flag changes the way a merge commit patch is displayed, in a similar way to the '-c' option. It implies the '-c' and '-p' options and further compresses the patch output diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt index 890931c891..7267bcd7a0 100644 --- a/Documentation/git-diff.txt +++ b/Documentation/git-diff.txt @@ -46,40 +46,41 @@ EXAMPLES Various ways to check your working tree:: + ------------ -$ git diff <1> -$ git diff --cached <2> -$ git diff HEAD <3> - +$ git diff <1> +$ git diff --cached <2> +$ git diff HEAD <3> +------------ ++ <1> changes in the working tree since your last git-update-index. <2> changes between the index and your last commit; what you would be committing if you run "git commit" without "-a" option. <3> changes in the working tree since your last commit; what you would be committing if you run "git commit -a" ------------- Comparing with arbitrary commits:: + ------------ -$ git diff test <1> -$ git diff HEAD -- ./test <2> -$ git diff HEAD^ HEAD <3> - +$ git diff test <1> +$ git diff HEAD -- ./test <2> +$ git diff HEAD^ HEAD <3> +------------ ++ <1> instead of using the tip of the current branch, compare with the tip of "test" branch. <2> instead of comparing with the tip of "test" branch, compare with the tip of the current branch, but limit the comparison to the file "test". <3> compare the version before the last commit and the last commit. ------------- Limiting the diff output:: + ------------ -$ git diff --diff-filter=MRC <1> -$ git diff --name-status -r <2> -$ git diff arch/i386 include/asm-i386 <3> - +$ git diff --diff-filter=MRC <1> +$ git diff --name-status -r <2> +$ git diff arch/i386 include/asm-i386 <3> +------------ ++ <1> show only modification, rename and copy, but not addition nor deletion. <2> show only names and the nature of change, but not actual @@ -88,18 +89,17 @@ which in turn also disables recursive behaviour, so without -r you would only see the directory name if there is a change in a file in a subdirectory. <3> limit diff output to named subtrees. ------------- Munging the diff output:: + ------------ -$ git diff --find-copies-harder -B -C <1> -$ git diff -R <2> - +$ git diff --find-copies-harder -B -C <1> +$ git diff -R <2> +------------ ++ <1> spend extra cycles to find renames, copies and complete rewrites (very expensive). <2> output diff in reverse. ------------- Author diff --git a/Documentation/git-imap-send.txt b/Documentation/git-imap-send.txt index cfc0d88d02..eca9e9ccef 100644 --- a/Documentation/git-imap-send.txt +++ b/Documentation/git-imap-send.txt @@ -29,6 +29,7 @@ CONFIGURATION git-imap-send requires the following values in the repository configuration file (shown with examples): +.......................... [imap] Folder = "INBOX.Drafts" @@ -38,8 +39,9 @@ configuration file (shown with examples): [imap] Host = imap.server.com User = bob - Password = pwd + Pass = pwd Port = 143 +.......................... BUGS diff --git a/Documentation/git-init-db.txt b/Documentation/git-init-db.txt index aeb1115af9..8a150d861f 100644 --- a/Documentation/git-init-db.txt +++ b/Documentation/git-init-db.txt @@ -60,12 +60,12 @@ Start a new git repository for an existing code base:: + ---------------- $ cd /path/to/my/codebase -$ git-init-db <1> -$ git-add . <2> - +$ git-init-db <1> +$ git-add . <2> +---------------- ++ <1> prepare /path/to/my/codebase/.git directory <2> add all existing file to the index ----------------- Author diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt index 76cb894caa..c9ffff734c 100644 --- a/Documentation/git-log.txt +++ b/Documentation/git-log.txt @@ -14,13 +14,12 @@ DESCRIPTION ----------- Shows the commit logs. -The command takes options applicable to the gitlink::git-rev-list[1] +The command takes options applicable to the gitlink:git-rev-list[1] command to control what is shown and how, and options applicable to -the gitlink::git-diff-tree[1] commands to control how the change +the gitlink:git-diff-tree[1] commands to control how the change each commit introduces are shown. -This manual page describes only the most frequently used -options. +This manual page describes only the most frequently used options. OPTIONS @@ -52,7 +51,7 @@ git log v2.6.12.. include/scsi drivers/scsi:: Show all commits since version 'v2.6.12' that changed any file in the include/scsi or drivers/scsi subdirectories -git log --since="2 weeks ago" -- gitk:: +git log --since="2 weeks ago" \-- gitk:: Show the changes during the last two weeks to the file 'gitk'. The "--" is necessary to avoid confusion with the *branch* named diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt index 796d049be6..a29c633c8d 100644 --- a/Documentation/git-ls-files.txt +++ b/Documentation/git-ls-files.txt @@ -106,7 +106,7 @@ OPTIONS lines, show only handful hexdigits prefix. Non default number of digits can be specified with --abbrev=<n>. ---:: +\--:: Do not interpret any more arguments as options. <file>:: diff --git a/Documentation/git-merge-index.txt b/Documentation/git-merge-index.txt index fbc986aa84..332e023d0f 100644 --- a/Documentation/git-merge-index.txt +++ b/Documentation/git-merge-index.txt @@ -8,7 +8,7 @@ git-merge-index - Runs a merge for files needing merging SYNOPSIS -------- -'git-merge-index' [-o] [-q] <merge-program> (-a | -- | <file>\*) +'git-merge-index' [-o] [-q] <merge-program> (-a | \-- | <file>\*) DESCRIPTION ----------- @@ -19,7 +19,7 @@ files are passed as arguments 5, 6 and 7. OPTIONS ------- ---:: +\--:: Do not interpret any more arguments as options. -a:: diff --git a/Documentation/git-name-rev.txt b/Documentation/git-name-rev.txt index 68707083be..ffaa00468f 100644 --- a/Documentation/git-name-rev.txt +++ b/Documentation/git-name-rev.txt @@ -41,6 +41,7 @@ Enter git-name-rev: ------------ % git name-rev 33db5f4d9027a10e477ccf054b2c1ab94f74c85a +33db5f4d9027a10e477ccf054b2c1ab94f74c85a tags/v0.99^0~940 ------------ Now you are wiser, because you know that it happened 940 revisions before v0.99. diff --git a/Documentation/git-prune.txt b/Documentation/git-prune.txt index f694fcbde8..a11e303094 100644 --- a/Documentation/git-prune.txt +++ b/Documentation/git-prune.txt @@ -28,7 +28,7 @@ OPTIONS Do not remove anything; just report what it would remove. ---:: +\--:: Do not interpret any more arguments as options. <head>...:: diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 4a7e67a4d2..1b482abecd 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -3,38 +3,54 @@ git-rebase(1) NAME ---- -git-rebase - Rebase local commits to new upstream head +git-rebase - Rebase local commits to a new head SYNOPSIS -------- 'git-rebase' [--onto <newbase>] <upstream> [<branch>] +'git-rebase' --continue + +'git-rebase' --abort + DESCRIPTION ----------- -git-rebase applies to <upstream> (or optionally to <newbase>) commits -from <branch> that do not appear in <upstream>. When <branch> is not -specified it defaults to the current branch (HEAD). +git-rebase replaces <branch> with a new branch of the same name. When +the --onto option is provided the new branch starts out with a HEAD equal +to <newbase>, otherwise it is equal to <upstream>. It then attempts to +create a new commit for each commit from the original <branch> that does +not exist in the <upstream> branch. -When git-rebase is complete, <branch> will be updated to point to the -newly created line of commit objects, so the previous line will not be -accessible unless there are other references to it already. +It is possible that a merge failure will prevent this process from being +completely automatic. You will have to resolve any such merge failure +and run `git rebase --continue`. If you can not resolve the merge +failure, running `git rebase --abort` will restore the original <branch> +and remove the working files found in the .dotest directory. + +Note that if <branch> is not specified on the command line, the currently +checked out branch is used. Assume the following history exists and the current branch is "topic": +------------ A---B---C topic / D---E---F---G master +------------ From this point, the result of either of the following commands: + git-rebase master git-rebase master topic would be: +------------ A'--B'--C' topic / D---E---F---G master +------------ While, starting from the same point, the result of either of the following commands: @@ -44,21 +60,33 @@ commands: would be: +------------ A'--B'--C' topic / D---E---F---G master +------------ In case of conflict, git-rebase will stop at the first problematic commit -and leave conflict markers in the tree. After resolving the conflict manually -and updating the index with the desired resolution, you can continue the -rebasing process with +and leave conflict markers in the tree. You can use git diff to locate +the markers (<<<<<<) and make edits to resolve the conflict. For each +file you edit, you need to tell git that the conflict has been resolved, +typically this would be done with + + + git update-index <filename> + + +After resolving the conflict manually and updating the index with the +desired resolution, you can continue the rebasing process with + + + git rebase --continue - git am --resolved --3way Alternatively, you can undo the git-rebase with - git reset --hard ORIG_HEAD - rm -r .dotest + + git rebase --abort OPTIONS ------- @@ -73,6 +101,28 @@ OPTIONS <branch>:: Working branch; defaults to HEAD. +--continue:: + Restart the rebasing process after having resolved a merge conflict. + +--abort:: + Restore the original branch and abort the rebase operation. + +NOTES +----- +When you rebase a branch, you are changing its history in a way that +will cause problems for anyone who already has a copy of the branch +in their repository and tries to pull updates from you. You should +understand the implications of using 'git rebase' on a repository that +you share. + +When the git rebase command is run, it will first execute a "pre-rebase" +hook if one exists. You can use this hook to do sanity checks and +reject the rebase if it isn't appropriate. Please see the template +pre-rebase hook script for an example. + +You must be in the top directory of your project to start (or continue) +a rebase. Upon completion, <branch> will be the current branch. + Author ------ Written by Junio C Hamano <junkio@cox.net> diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt index d2f9a44382..951622774a 100644 --- a/Documentation/git-repack.txt +++ b/Documentation/git-repack.txt @@ -38,6 +38,7 @@ OPTIONS -d:: After packing, if the newly created packs make some existing packs redundant, remove the redundant packs. + Also runs gitlink:git-prune-packed[1]. -l:: Pass the `--local` option to `git pack-objects`, see diff --git a/Documentation/git-repo-config.txt b/Documentation/git-repo-config.txt index 26759a8071..fd44f629f5 100644 --- a/Documentation/git-repo-config.txt +++ b/Documentation/git-repo-config.txt @@ -15,6 +15,7 @@ SYNOPSIS 'git-repo-config' [type] --get-all name [value_regex] 'git-repo-config' [type] --unset name [value_regex] 'git-repo-config' [type] --unset-all name [value_regex] +'git-repo-config' -l | --list DESCRIPTION ----------- @@ -33,10 +34,10 @@ convert the value to the canonical form (simple decimal number for int, a "true" or "false" string for bool). If no type specifier is passed, no checks or transformations are performed on the value. -This command will fail if +This command will fail if: -. .git/config is invalid, -. .git/config can not be written to, +. The .git/config file is invalid, +. Can not write to .git/config, . no section was provided, . the section or key is invalid, . you try to unset an option which does not exist, or @@ -48,7 +49,7 @@ OPTIONS --replace-all:: Default behaviour is to replace at most one line. This replaces - all lines matching the key (and optionally the value_regex) + all lines matching the key (and optionally the value_regex). --get:: Get the value for a given key (optionally filtered by a regex @@ -58,12 +59,18 @@ OPTIONS Like get, but does not fail if the number of values for the key is not exactly one. +--get-regexp:: + Like --get-all, but interprets the name as a regular expression. + --unset:: Remove the line matching the key from .git/config. --unset-all:: Remove all matching lines from .git/config. +-l, --list:: + List all variables set in .git/config. + EXAMPLE ------- @@ -87,11 +94,11 @@ Given a .git/config like this: renames = true ; Proxy settings - [proxy] - command="ssh" for "ssh://kernel.org/" - command="proxy-command" for kernel.org - command="myprotocol-command" for "my://" - command=default-proxy ; for all the rest + [core] + gitproxy="ssh" for "ssh://kernel.org/" + gitproxy="proxy-command" for kernel.org + gitproxy="myprotocol-command" for "my://" + gitproxy=default-proxy ; for all the rest you can set the filemode to true with @@ -104,7 +111,7 @@ to what URL they apply. Here is how to change the entry for kernel.org to "ssh". ------------ -% git repo-config proxy.command '"ssh" for kernel.org' 'for kernel.org$' +% git repo-config core.gitproxy '"ssh" for kernel.org' 'for kernel.org$' ------------ This makes sure that only the key/value pair for kernel.org is replaced. @@ -115,7 +122,7 @@ To delete the entry for renames, do % git repo-config --unset diff.renames ------------ -If you want to delete an entry for a multivar (like proxy.command above), +If you want to delete an entry for a multivar (like core.gitproxy above), you have to provide a regex matching the value of exactly one line. To query the value for a given key, do @@ -133,27 +140,27 @@ or or, to query a multivar: ------------ -% git repo-config --get proxy.command "for kernel.org$" +% git repo-config --get core.gitproxy "for kernel.org$" ------------ If you want to know all the values for a multivar, do: ------------ -% git repo-config --get-all proxy.command +% git repo-config --get-all core.gitproxy ------------ -If you like to live dangerous, you can replace *all* proxy.commands by a +If you like to live dangerous, you can replace *all* core.gitproxy by a new one with ------------ -% git repo-config --replace-all proxy.command ssh +% git repo-config --replace-all core.gitproxy ssh ------------ However, if you really only want to replace the line for the default proxy, i.e. the one without a "for ..." postfix, do something like this: ------------ -% git repo-config proxy.command ssh '! for ' +% git repo-config core.gitproxy ssh '! for ' ------------ To actually match only values with an exclamation mark, you have to @@ -163,13 +170,16 @@ To actually match only values with an exclamation mark, you have to ------------ +include::config.txt[] + + Author ------ Written by Johannes Schindelin <Johannes.Schindelin@gmx.de> Documentation -------------- -Documentation by Johannes Schindelin. +Documentation by Johannes Schindelin, Petr Baudis and the git-list <git@vger.kernel.org>. GIT --- diff --git a/Documentation/git-reset.txt b/Documentation/git-reset.txt index b7b9798bf9..b27399dd41 100644 --- a/Documentation/git-reset.txt +++ b/Documentation/git-reset.txt @@ -43,16 +43,17 @@ OPTIONS Commit to make the current HEAD. Examples -~~~~~~~~ +-------- Undo a commit and redo:: + ------------ $ git commit ... -$ git reset --soft HEAD^ <1> -$ edit <2> -$ git commit -a -c ORIG_HEAD <3> - +$ git reset --soft HEAD^ <1> +$ edit <2> +$ git commit -a -c ORIG_HEAD <3> +------------ ++ <1> This is most often done when you remembered what you just committed is incomplete, or you misspelled your commit message, or both. Leaves working tree as it was before "reset". @@ -60,43 +61,43 @@ message, or both. Leaves working tree as it was before "reset". <3> "reset" copies the old head to .git/ORIG_HEAD; redo the commit by starting with its log message. If you do not need to edit the message further, you can give -C option instead. ------------- Undo commits permanently:: + ------------ $ git commit ... -$ git reset --hard HEAD~3 <1> - +$ git reset --hard HEAD~3 <1> +------------ ++ <1> The last three commits (HEAD, HEAD^, and HEAD~2) were bad and you do not want to ever see them again. Do *not* do this if you have already given these commits to somebody else. ------------- Undo a commit, making it a topic branch:: + ------------ -$ git branch topic/wip <1> -$ git reset --hard HEAD~3 <2> -$ git checkout topic/wip <3> - +$ git branch topic/wip <1> +$ git reset --hard HEAD~3 <2> +$ git checkout topic/wip <3> +------------ ++ <1> You have made some commits, but realize they were premature to be in the "master" branch. You want to continue polishing them in a topic branch, so create "topic/wip" branch off of the current HEAD. <2> Rewind the master branch to get rid of those three commits. <3> Switch to "topic/wip" branch and keep working. ------------- Undo update-index:: + ------------ -$ edit <1> +$ edit <1> $ git-update-index frotz.c filfre.c -$ mailx <2> -$ git reset <3> -$ git pull git://info.example.com/ nitfol <4> - +$ mailx <2> +$ git reset <3> +$ git pull git://info.example.com/ nitfol <4> +------------ ++ <1> you are happily working on something, and find the changes in these files are in good order. You do not want to see them when you run "git diff", because you plan to work on other files @@ -109,12 +110,11 @@ index changes for these two files. Your changes in working tree remain there. <4> then you can pull and merge, leaving frotz.c and filfre.c changes still in the working tree. ------------- Undo a merge or pull:: + ------------ -$ git pull <1> +$ git pull <1> Trying really trivial in-index merge... fatal: Merge requires file-level merging Nope. @@ -122,20 +122,19 @@ Nope. Auto-merging nitfol CONFLICT (content): Merge conflict in nitfol Automatic merge failed/prevented; fix up by hand -$ git reset --hard <2> - +$ git reset --hard <2> +$ git pull . topic/branch <3> +Updating from 41223... to 13134... +Fast forward +$ git reset --hard ORIG_HEAD <4> +------------ ++ <1> try to update from the upstream resulted in a lot of conflicts; you were not ready to spend a lot of time merging right now, so you decide to do that later. <2> "pull" has not made merge commit, so "git reset --hard" which is a synonym for "git reset --hard HEAD" clears the mess from the index file and the working tree. - -$ git pull . topic/branch <3> -Updating from 41223... to 13134... -Fast forward -$ git reset --hard ORIG_HEAD <4> - <3> merge a topic branch into the current branch, which resulted in a fast forward. <4> but you decided that the topic branch is not ready for public @@ -143,7 +142,6 @@ consumption yet. "pull" or "merge" always leaves the original tip of the current branch in ORIG_HEAD, so resetting hard to it brings your index file and the working tree back to that state, and resets the tip of the branch to that commit. ------------- Interrupted workflow:: + @@ -155,21 +153,21 @@ need to get to the other branch for a quick bugfix. ------------ $ git checkout feature ;# you were working in "feature" branch and $ work work work ;# got interrupted -$ git commit -a -m 'snapshot WIP' <1> +$ git commit -a -m 'snapshot WIP' <1> $ git checkout master $ fix fix fix $ git commit ;# commit with real log $ git checkout feature -$ git reset --soft HEAD^ ;# go back to WIP state <2> -$ git reset <3> - +$ git reset --soft HEAD^ ;# go back to WIP state <2> +$ git reset <3> +------------ ++ <1> This commit will get blown away so a throw-away log message is OK. <2> This removes the 'WIP' commit from the commit history, and sets your working tree to the state just before you made that snapshot. -<3> After <2>, the index file still has all the WIP changes you - committed in <1>. This sets it to the last commit you were - basing the WIP changes on. ------------- +<3> At this point the index file still has all the WIP changes you + committed as 'snapshot WIP'. This updates the index to show your + WIP files as uncommitted. Author ------ diff --git a/Documentation/git-rm.txt b/Documentation/git-rm.txt index c9c3088424..66fc478f57 100644 --- a/Documentation/git-rm.txt +++ b/Documentation/git-rm.txt @@ -32,7 +32,7 @@ OPTIONS -v:: Be verbose. ---:: +\--:: This option can be used to separate command-line options from the list of files, (useful when filenames might be mistaken for command-line options). diff --git a/Documentation/git-unpack-objects.txt b/Documentation/git-unpack-objects.txt index 18280628a1..c20b38b08a 100644 --- a/Documentation/git-unpack-objects.txt +++ b/Documentation/git-unpack-objects.txt @@ -13,9 +13,16 @@ SYNOPSIS DESCRIPTION ----------- -Reads a packed archive (.pack) from the standard input, and -expands the objects contained in the pack into "one-file -one-object" format in $GIT_OBJECT_DIRECTORY. +Read a packed archive (.pack) from the standard input, expanding +the objects contained within and writing them into the repository in +"loose" (one object per file) format. + +Objects that already exist in the repository will *not* be unpacked +from the pack-file. Therefore, nothing will be unpacked if you use +this command on a pack-file that exists within the target repository. + +Please see the `git-repack` documentation for options to generate +new packs and replace existing ones. OPTIONS ------- diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt index 0a1b0ad56d..57177c7fb6 100644 --- a/Documentation/git-update-index.txt +++ b/Documentation/git-update-index.txt @@ -10,12 +10,12 @@ SYNOPSIS -------- [verse] 'git-update-index' - [--add] [--remove | --force-remove] [--replace] - [--refresh [-q] [--unmerged] [--ignore-missing]] + [--add] [--remove | --force-remove] [--replace] + [--refresh] [-q] [--unmerged] [--ignore-missing] [--cacheinfo <mode> <object> <file>]\* [--chmod=(+|-)x] [--assume-unchanged | --no-assume-unchanged] - [--really-refresh] + [--really-refresh] [--unresolve] [--info-only] [--index-info] [-z] [--stdin] [--verbose] @@ -80,6 +80,10 @@ OPTIONS filesystem that has very slow lstat(2) system call (e.g. cifs). +--unresolve:: + Restores the 'unmerged' or 'needs updating' state of a + file during a merge if it was cleared by accident. + --info-only:: Do not create objects in the object database for all <file> arguments that follow this flag; just insert @@ -109,7 +113,7 @@ OPTIONS Only meaningful with `--stdin`; paths are separated with NUL character instead of LF. ---:: +\--:: Do not interpret any more arguments as options. <file>:: @@ -247,34 +251,33 @@ To update and refresh only the files already checked out: $ git-checkout-index -n -f -a && git-update-index --ignore-missing --refresh ---------------- -On an inefficient filesystem with `core.ignorestat` set: - +On an inefficient filesystem with `core.ignorestat` set:: ++ ------------ -$ git update-index --really-refresh <1> -$ git update-index --no-assume-unchanged foo.c <2> -$ git diff --name-only <3> +$ git update-index --really-refresh <1> +$ git update-index --no-assume-unchanged foo.c <2> +$ git diff --name-only <3> $ edit foo.c -$ git diff --name-only <4> +$ git diff --name-only <4> M foo.c -$ git update-index foo.c <5> -$ git diff --name-only <6> +$ git update-index foo.c <5> +$ git diff --name-only <6> $ edit foo.c -$ git diff --name-only <7> -$ git update-index --no-assume-unchanged foo.c <8> -$ git diff --name-only <9> +$ git diff --name-only <7> +$ git update-index --no-assume-unchanged foo.c <8> +$ git diff --name-only <9> M foo.c - -<1> forces lstat(2) to set "assume unchanged" bits for paths - that match index. +------------ ++ +<1> forces lstat(2) to set "assume unchanged" bits for paths that match index. <2> mark the path to be edited. <3> this does lstat(2) and finds index matches the path. -<4> this does lstat(2) and finds index does not match the path. +<4> this does lstat(2) and finds index does *not* match the path. <5> registering the new version to index sets "assume unchanged" bit. <6> and it is assumed unchanged. <7> even after you edit it. <8> you can tell about the change after the fact. <9> now it checks with lstat(2) and finds it has been changed. ------------- Configuration diff --git a/Documentation/git-var.txt b/Documentation/git-var.txt index 90cb157be5..a5b1a0dbab 100644 --- a/Documentation/git-var.txt +++ b/Documentation/git-var.txt @@ -17,7 +17,10 @@ Prints a git logical variable. OPTIONS ------- -l:: - Cause the logical variables to be listed. + Cause the logical variables to be listed. In addition, all the + variables of the git configuration file .git/config are listed + as well. (However, the configuration variables listing functionality + is deprecated in favor of `git-repo-config -l`.) EXAMPLE -------- @@ -46,6 +49,7 @@ See Also -------- gitlink:git-commit-tree[1] gitlink:git-tag[1] +gitlink:git-repo-config[1] Author ------ diff --git a/Documentation/git-verify-pack.txt b/Documentation/git-verify-pack.txt index 4962d6975f..7a6132b016 100644 --- a/Documentation/git-verify-pack.txt +++ b/Documentation/git-verify-pack.txt @@ -25,7 +25,7 @@ OPTIONS -v:: After verifying the pack, show list of objects contained in the pack. ---:: +\--:: Do not interpret any more arguments as options. OUTPUT FORMAT diff --git a/Documentation/git-whatchanged.txt b/Documentation/git-whatchanged.txt index 641cb7ea97..e8f21d02f7 100644 --- a/Documentation/git-whatchanged.txt +++ b/Documentation/git-whatchanged.txt @@ -58,7 +58,7 @@ git-whatchanged -p v2.6.12.. include/scsi drivers/scsi:: Show as patches the commits since version 'v2.6.12' that changed any file in the include/scsi or drivers/scsi subdirectories -git-whatchanged --since="2 weeks ago" -- gitk:: +git-whatchanged --since="2 weeks ago" \-- gitk:: Show the changes during the last two weeks to the file 'gitk'. The "--" is necessary to avoid confusion with the *branch* named diff --git a/Documentation/gitk.txt b/Documentation/gitk.txt index eb126d7a4b..cb482bf98e 100644 --- a/Documentation/gitk.txt +++ b/Documentation/gitk.txt @@ -31,7 +31,7 @@ gitk v2.6.12.. include/scsi drivers/scsi:: Show as the changes since version 'v2.6.12' that changed any file in the include/scsi or drivers/scsi subdirectories -gitk --since="2 weeks ago" -- gitk:: +gitk --since="2 weeks ago" \-- gitk:: Show the changes during the last two weeks to the file 'gitk'. The "--" is necessary to avoid confusion with the *branch* named diff --git a/Documentation/glossary.txt b/Documentation/glossary.txt index 02a9d9c18a..39c90ad7a6 100644 --- a/Documentation/glossary.txt +++ b/Documentation/glossary.txt @@ -1,79 +1,57 @@ -object:: - The unit of storage in git. It is uniquely identified by - the SHA1 of its contents. Consequently, an object can not - be changed. - -object name:: - The unique identifier of an object. The hash of the object's contents - using the Secure Hash Algorithm 1 and usually represented by the 40 - character hexadecimal encoding of the hash of the object (possibly - followed by a white space). - -SHA1:: - Synonym for object name. - -object identifier:: - Synonym for object name. - -hash:: - In git's context, synonym to object name. +alternate object database:: + Via the alternates mechanism, a repository can inherit part of its + object database from another object database, which is called + "alternate". -object database:: - Stores a set of "objects", and an individual object is identified - by its object name. The objects usually live in `$GIT_DIR/objects/`. +bare repository:: + A bare repository is normally an appropriately named + directory with a `.git` suffix that does not have a + locally checked-out copy of any of the files under revision + control. That is, all of the `git` administrative and + control files that would normally be present in the + hidden `.git` sub-directory are directly present in + the `repository.git` directory instead, and no other files + are present and checked out. Usually publishers of public + repositories make bare repositories available. blob object:: Untyped object, e.g. the contents of a file. -tree object:: - An object containing a list of file names and modes along with refs - to the associated blob and/or tree objects. A tree is equivalent - to a directory. - -tree:: - Either a working tree, or a tree object together with the - dependent blob and tree objects (i.e. a stored representation - of a working tree). - -DAG:: - Directed acyclic graph. The commit objects form a directed acyclic - graph, because they have parents (directed), and the graph of commit - objects is acyclic (there is no chain which begins and ends with the - same object). - -index:: - A collection of files with stat information, whose contents are - stored as objects. The index is a stored version of your working - tree. Truth be told, it can also contain a second, and even a third - version of a working tree, which are used when merging. - -index entry:: - The information regarding a particular file, stored in the index. - An index entry can be unmerged, if a merge was started, but not - yet finished (i.e. if the index contains multiple versions of - that file). - -unmerged index: - An index which contains unmerged index entries. +branch:: + A non-cyclical graph of revisions, i.e. the complete history of + a particular revision, which is called the branch head. The + branch heads are stored in `$GIT_DIR/refs/heads/`. cache:: Obsolete for: index. -working tree:: - The set of files and directories currently being worked on, - i.e. you can work in your working tree without using git at all. - -directory:: - The list you get with "ls" :-) +chain:: + A list of objects, where each object in the list contains a + reference to its successor (for example, the successor of a commit + could be one of its parents). -revision:: - A particular state of files and directories which was stored in - the object database. It is referenced by a commit object. +changeset:: + BitKeeper/cvsps speak for "commit". Since git does not store + changes, but states, it really does not make sense to use + the term "changesets" with git. checkout:: The action of updating the working tree to a revision which was stored in the object database. +cherry-picking:: + In SCM jargon, "cherry pick" means to choose a subset of + changes out of a series of changes (typically commits) + and record them as a new series of changes on top of + different codebase. In GIT, this is performed by + "git cherry-pick" command to extract the change + introduced by an existing commit and to record it based + on the tip of the current branch as a new commit. + +clean:: + A working tree is clean, if it corresponds to the revision + referenced by the current head. Also see "dirty". + commit:: As a verb: The action of storing the current state of the index in the object database. The result is a revision. @@ -85,73 +63,90 @@ commit object:: tree object which corresponds to the top directory of the stored revision. -parent:: - A commit object contains a (possibly empty) list of the logical - predecessor(s) in the line of development, i.e. its parents. +core git:: + Fundamental data structures and utilities of git. Exposes only + limited source code management tools. -changeset:: - BitKeeper/cvsps speak for "commit". Since git does not store - changes, but states, it really does not make sense to use - the term "changesets" with git. +DAG:: + Directed acyclic graph. The commit objects form a directed acyclic + graph, because they have parents (directed), and the graph of commit + objects is acyclic (there is no chain which begins and ends with the + same object). -clean:: - A working tree is clean, if it corresponds to the revision - referenced by the current head. +dircache:: + You are *waaaaay* behind. dirty:: A working tree is said to be dirty if it contains modifications which have not been committed to the current branch. -head:: - The top of a branch. It contains a ref to the corresponding - commit object. +directory:: + The list you get with "ls" :-) -branch:: - A non-cyclical graph of revisions, i.e. the complete history of - a particular revision, which is called the branch head. The - branch heads are stored in `$GIT_DIR/refs/heads/`. +ent:: + Favorite synonym to "tree-ish" by some total geeks. See + `http://en.wikipedia.org/wiki/Ent_(Middle-earth)` for an in-depth + explanation. -master:: - The default branch. Whenever you create a git repository, a branch - named "master" is created, and becomes the active branch. In most - cases, this contains the local development. +fast forward:: + A fast-forward is a special type of merge where you have + a revision and you are "merging" another branch's changes + that happen to be a descendant of what you have. + In such these cases, you do not make a new merge commit but + instead just update to his revision. This will happen + frequently on a tracking branch of a remote repository. -origin:: - The default upstream branch. Most projects have one upstream - project which they track, and by default 'origin' is used for - that purpose. New updates from upstream will be fetched into - this branch; you should never commit to it yourself. +fetch:: + Fetching a branch means to get the branch's head ref from a + remote repository, to find out which objects are missing from + the local object database, and to get them, too. -ref:: - A 40-byte hex representation of a SHA1 pointing to a particular - object. These may be stored in `$GIT_DIR/refs/`. +file system:: + Linus Torvalds originally designed git to be a user space file + system, i.e. the infrastructure to hold files and directories. + That ensured the efficiency and speed of git. + +git archive:: + Synonym for repository (for arch people). + +hash:: + In git's context, synonym to object name. + +head:: + The top of a branch. It contains a ref to the corresponding + commit object. head ref:: A ref pointing to a head. Often, this is abbreviated to "head". Head refs are stored in `$GIT_DIR/refs/heads/`. -tree-ish:: - A ref pointing to either a commit object, a tree object, or a - tag object pointing to a tag or commit or tree object. +hook:: + During the normal execution of several git commands, + call-outs are made to optional scripts that allow + a developer to add functionality or checking. + Typically, the hooks allow for a command to be pre-verified + and potentially aborted, and allow for a post-notification + after the operation is done. + The hook scripts are found in the `$GIT_DIR/hooks/` directory, + and are enabled by simply making them executable. -ent:: - Favorite synonym to "tree-ish" by some total geeks. See - `http://en.wikipedia.org/wiki/Ent_(Middle-earth)` for an in-depth - explanation. +index:: + A collection of files with stat information, whose contents are + stored as objects. The index is a stored version of your working + tree. Truth be told, it can also contain a second, and even a third + version of a working tree, which are used when merging. -tag object:: - An object containing a ref pointing to another object, which can - contain a message just like a commit object. It can also - contain a (PGP) signature, in which case it is called a "signed - tag object". +index entry:: + The information regarding a particular file, stored in the index. + An index entry can be unmerged, if a merge was started, but not + yet finished (i.e. if the index contains multiple versions of + that file). -tag:: - A ref pointing to a tag or commit object. In contrast to a head, - a tag is not changed by a commit. Tags (not tag objects) are - stored in `$GIT_DIR/refs/tags/`. A git tag has nothing to do with - a Lisp tag (which is called object type in git's context). - A tag is most typically used to mark a particular point in the - commit ancestry chain. +master:: + The default development branch. Whenever you create a git + repository, a branch named "master" is created, and becomes + the active branch. In most cases, this contains the local + development, though that is purely conventional and not required. merge:: To merge branches means to try to accumulate the changes since a @@ -159,55 +154,65 @@ merge:: merge uses heuristics to accomplish that. Evidently, an automatic merge can fail. -octopus:: - To merge more than two branches. Also denotes an intelligent - predator. +object:: + The unit of storage in git. It is uniquely identified by + the SHA1 of its contents. Consequently, an object can not + be changed. -resolve:: - The action of fixing up manually what a failed automatic merge - left behind. +object database:: + Stores a set of "objects", and an individual object is identified + by its object name. The objects usually live in `$GIT_DIR/objects/`. -rewind:: - To throw away part of the development, i.e. to assign the head to - an earlier revision. +object identifier:: + Synonym for object name. -rebase:: - To clean a branch by starting from the head of the main line of - development ("master"), and reapply the (possibly cherry-picked) - changes from that branch. +object name:: + The unique identifier of an object. The hash of the object's contents + using the Secure Hash Algorithm 1 and usually represented by the 40 + character hexadecimal encoding of the hash of the object (possibly + followed by a white space). -repository:: - A collection of refs together with an object database containing - all objects, which are reachable from the refs, possibly accompanied - by meta data from one or more porcelains. A repository can - share an object database with other repositories. +object type: + One of the identifiers "commit","tree","tag" and "blob" describing + the type of an object. -git archive:: - Synonym for repository (for arch people). +octopus:: + To merge more than two branches. Also denotes an intelligent + predator. -file system:: - Linus Torvalds originally designed git to be a user space file - system, i.e. the infrastructure to hold files and directories. - That ensured the efficiency and speed of git. +origin:: + The default upstream tracking branch. Most projects have at + least one upstream project which they track. By default + 'origin' is used for that purpose. New upstream updates + will be fetched into this branch; you should never commit + to it yourself. -alternate object database:: - Via the alternates mechanism, a repository can inherit part of its - object database from another object database, which is called - "alternate". +pack:: + A set of objects which have been compressed into one file (to save + space or to transmit them efficiently). -reachable:: - An object is reachable from a ref/commit/tree/tag, if there is a - chain leading from the latter to the former. +pack index:: + The list of identifiers, and other information, of the objects in a + pack, to assist in efficiently accessing the contents of a pack. -chain:: - A list of objects, where each object in the list contains a - reference to its successor (for example, the successor of a commit - could be one of its parents). +parent:: + A commit object contains a (possibly empty) list of the logical + predecessor(s) in the line of development, i.e. its parents. -fetch:: - Fetching a branch means to get the branch's head ref from a - remote repository, to find out which objects are missing from - the local object database, and to get them, too. +pickaxe:: + The term pickaxe refers to an option to the diffcore routines + that help select changes that add or delete a given text string. + With the --pickaxe-all option, it can be used to view the + full changeset that introduced or removed, say, a particular + line of text. See gitlink:git-diff[1]. + +plumbing:: + Cute name for core git. + +porcelain:: + Cute name for programs and program suites depending on core git, + presenting a high level access to core git. Porcelains expose + more of a SCM interface than the plumbing. pull:: Pulling a branch means to fetch it and merge it. @@ -221,33 +226,101 @@ push:: the remote head ref. If the remote head is not an ancestor to the local head, the push fails. -pack:: - A set of objects which have been compressed into one file (to save - space or to transmit them efficiently). +reachable:: + An object is reachable from a ref/commit/tree/tag, if there is a + chain leading from the latter to the former. -pack index:: - The list of identifiers, and other information, of the objects in a - pack, to assist in efficiently accessing the contents of a pack. +rebase:: + To clean a branch by starting from the head of the main line of + development ("master"), and reapply the (possibly cherry-picked) + changes from that branch. -core git:: - Fundamental data structures and utilities of git. Exposes only - limited source code management tools. +ref:: + A 40-byte hex representation of a SHA1 or a name that denotes + a particular object. These may be stored in `$GIT_DIR/refs/`. + +refspec:: + A refspec is used by fetch and push to describe the mapping + between remote ref and local ref. They are combined with + a colon in the format <src>:<dst>, preceded by an optional + plus sign, +. For example: + `git fetch $URL refs/heads/master:refs/heads/origin` + means "grab the master branch head from the $URL and store + it as my origin branch head". + And `git push $URL refs/heads/master:refs/heads/to-upstream` + means "publish my master branch head as to-upstream master head + at $URL". See also gitlink:git-push[1] -plumbing:: - Cute name for core git. +repository:: + A collection of refs together with an object database containing + all objects, which are reachable from the refs, possibly accompanied + by meta data from one or more porcelains. A repository can + share an object database with other repositories. -porcelain:: - Cute name for programs and program suites depending on core git, - presenting a high level access to core git. Porcelains expose - more of a SCM interface than the plumbing. +resolve:: + The action of fixing up manually what a failed automatic merge + left behind. -object type: - One of the identifiers "commit","tree","tag" and "blob" describing - the type of an object. +revision:: + A particular state of files and directories which was stored in + the object database. It is referenced by a commit object. + +rewind:: + To throw away part of the development, i.e. to assign the head to + an earlier revision. SCM:: Source code management (tool). -dircache:: - You are *waaaaay* behind. +SHA1:: + Synonym for object name. + +topic branch:: + A regular git branch that is used by a developer to + identify a conceptual line of development. Since branches + are very easy and inexpensive, it is often desirable to + have several small branches that each contain very well + defined concepts or small incremental yet related changes. + +tracking branch:: + A regular git branch that is used to follow changes from + another repository. A tracking branch should not contain + direct modifications or have local commits made to it. + A tracking branch can usually be identified as the + right-hand-side ref in a Pull: refspec. + +tree object:: + An object containing a list of file names and modes along with refs + to the associated blob and/or tree objects. A tree is equivalent + to a directory. + +tree:: + Either a working tree, or a tree object together with the + dependent blob and tree objects (i.e. a stored representation + of a working tree). + +tree-ish:: + A ref pointing to either a commit object, a tree object, or a + tag object pointing to a tag or commit or tree object. + +tag object:: + An object containing a ref pointing to another object, which can + contain a message just like a commit object. It can also + contain a (PGP) signature, in which case it is called a "signed + tag object". + +tag:: + A ref pointing to a tag or commit object. In contrast to a head, + a tag is not changed by a commit. Tags (not tag objects) are + stored in `$GIT_DIR/refs/tags/`. A git tag has nothing to do with + a Lisp tag (which is called object type in git's context). + A tag is most typically used to mark a particular point in the + commit ancestry chain. + +unmerged index: + An index which contains unmerged index entries. + +working tree:: + The set of files and directories currently being worked on, + i.e. you can work in your working tree without using git at all. diff --git a/Documentation/sort_glossary.pl b/Documentation/sort_glossary.pl index e57dc78e0e..e0bc552a64 100644 --- a/Documentation/sort_glossary.pl +++ b/Documentation/sort_glossary.pl @@ -48,7 +48,7 @@ This list is sorted alphabetically: '; @keys=sort {uc($a) cmp uc($b)} keys %terms; -$pattern='(\b'.join('\b|\b',reverse @keys).'\b)'; +$pattern='(\b(?<!link:git-)'.join('\b|\b(?<!link:git-)',reverse @keys).'\b)'; foreach $key (@keys) { $terms{$key}=~s/$pattern/sprintf "<<ref_".no_spaces($1).",$1>>";/eg; print '[[ref_'.no_spaces($key).']]'.$key."::\n" @@ -28,8 +28,8 @@ all: # # Define NO_SETENV if you don't have setenv in the C library. # -# Define USE_SYMLINK_HEAD if you want .git/HEAD to be a symbolic link. -# Don't enable it on Windows. +# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. +# Enable it on Windows. By default, symrefs are still used. # # Define PPC_SHA1 environment variable when running make to make use of # a bundled SHA1 routine optimized for PowerPC. @@ -115,13 +115,13 @@ SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__ SCRIPT_SH = \ git-add.sh git-bisect.sh git-branch.sh git-checkout.sh \ git-cherry.sh git-clean.sh git-clone.sh git-commit.sh \ - git-count-objects.sh git-diff.sh git-fetch.sh \ + git-fetch.sh \ git-format-patch.sh git-ls-remote.sh \ git-merge-one-file.sh git-parse-remote.sh \ - git-prune.sh git-pull.sh git-push.sh git-rebase.sh \ + git-prune.sh git-pull.sh git-rebase.sh \ git-repack.sh git-request-pull.sh git-reset.sh \ git-resolve.sh git-revert.sh git-rm.sh git-sh-setup.sh \ - git-tag.sh git-verify-tag.sh git-whatchanged.sh \ + git-tag.sh git-verify-tag.sh \ git-applymbox.sh git-applypatch.sh git-am.sh \ git-merge.sh git-merge-stupid.sh git-merge-octopus.sh \ git-merge-resolve.sh git-merge-ours.sh git-grep.sh \ @@ -139,7 +139,7 @@ SCRIPT_PYTHON = \ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \ $(patsubst %.perl,%,$(SCRIPT_PERL)) \ $(patsubst %.py,%,$(SCRIPT_PYTHON)) \ - git-cherry-pick git-show git-status + git-cherry-pick git-status # The ones that do not have to link with lcrypto, lz nor xdiff. SIMPLE_PROGRAMS = \ @@ -167,7 +167,8 @@ PROGRAMS = \ git-name-rev$X git-pack-redundant$X git-repo-config$X git-var$X \ git-describe$X git-merge-tree$X git-blame$X git-imap-send$X -BUILT_INS = git-log$X +BUILT_INS = git-log$X git-whatchanged$X git-show$X \ + git-count-objects$X git-diff$X git-push$X # what 'all' will build and 'install' will install, in gitexecdir ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS) @@ -199,7 +200,7 @@ LIB_H = \ tree-walk.h log-tree.h DIFF_OBJS = \ - diff-lib.o diffcore-break.o diffcore-order.o \ + diff.o diff-lib.o diffcore-break.o diffcore-order.o \ diffcore-pickaxe.o diffcore-rename.o tree-diff.o combine-diff.o \ diffcore-delta.o log-tree.o @@ -214,7 +215,7 @@ LIB_OBJS = \ $(DIFF_OBJS) BUILTIN_OBJS = \ - builtin-log.o builtin-help.o + builtin-log.o builtin-help.o builtin-count.o builtin-diff.o builtin-push.o GITLIBS = $(LIB_FILE) $(XDIFF_LIB) LIBS = $(GITLIBS) -lz @@ -263,6 +264,7 @@ ifeq ($(uname_O),Cygwin) NO_D_TYPE_IN_DIRENT = YesPlease NO_D_INO_IN_DIRENT = YesPlease NO_STRCASESTR = YesPlease + NO_SYMLINK_HEAD = YesPlease NEEDS_LIBICONV = YesPlease # There are conflicting reports about this. # On some boxes NO_MMAP is needed, and not so elsewhere. @@ -386,6 +388,9 @@ endif ifdef NO_D_INO_IN_DIRENT ALL_CFLAGS += -DNO_D_INO_IN_DIRENT endif +ifdef NO_SYMLINK_HEAD + ALL_CFLAGS += -DNO_SYMLINK_HEAD +endif ifdef NO_STRCASESTR COMPAT_CFLAGS += -DNO_STRCASESTR COMPAT_OBJS += compat/strcasestr.o @@ -470,6 +475,8 @@ git$X: git.c common-cmds.h $(BUILTIN_OBJS) $(GITLIBS) $(ALL_CFLAGS) -o $@ $(filter %.c,$^) \ $(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS) +builtin-help.o: common-cmds.h + $(BUILT_INS): git$X rm -f $@ && ln git$X $@ @@ -503,9 +510,6 @@ $(patsubst %.py,%,$(SCRIPT_PYTHON)) : % : %.py git-cherry-pick: git-revert cp $< $@ -git-show: git-whatchanged - cp $< $@ - git-status: git-commit cp $< $@ @@ -560,10 +564,6 @@ git-http-push$X: revision.o http.o http-push.o $(LIB_FILE) $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \ $(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT) -git-rev-list$X: rev-list.o $(LIB_FILE) - $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \ - $(LIBS) $(OPENSSL_LIBSSL) - init-db.o: init-db.c $(CC) -c $(ALL_CFLAGS) \ -DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"' $*.c @@ -573,12 +573,12 @@ $(patsubst git-%$X,%.o,$(PROGRAMS)): $(GITLIBS) $(DIFF_OBJS): diffcore.h $(LIB_FILE): $(LIB_OBJS) - $(AR) rcs $@ $(LIB_OBJS) + rm -f $@ && $(AR) rcs $@ $(LIB_OBJS) XDIFF_OBJS=xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o $(XDIFF_LIB): $(XDIFF_OBJS) - $(AR) rcs $@ $(XDIFF_OBJS) + rm -f $@ && $(AR) rcs $@ $(XDIFF_OBJS) doc: @@ -515,9 +515,9 @@ static int compare_tree_path(struct rev_info* revs, paths[1] = NULL; diff_tree_setup_paths(get_pathspec(revs->prefix, paths), - &revs->diffopt); + &revs->pruning); ret = rev_compare_tree(revs, c1->tree, c2->tree); - diff_tree_release_paths(&revs->diffopt); + diff_tree_release_paths(&revs->pruning); return ret; } @@ -531,9 +531,9 @@ static int same_tree_as_empty_path(struct rev_info *revs, struct tree* t1, paths[1] = NULL; diff_tree_setup_paths(get_pathspec(revs->prefix, paths), - &revs->diffopt); + &revs->pruning); ret = rev_same_tree_as_empty(revs, t1); - diff_tree_release_paths(&revs->diffopt); + diff_tree_release_paths(&revs->pruning); return ret; } @@ -834,7 +834,7 @@ int main(int argc, const char **argv) args[0] = filename; args[1] = NULL; - diff_tree_setup_paths(args, &rev.diffopt); + diff_tree_setup_paths(args, &rev.pruning); prepare_revision_walk(&rev); process_commits(&rev, filename, &initial); diff --git a/builtin-count.c b/builtin-count.c new file mode 100644 index 0000000000..5ee72df247 --- /dev/null +++ b/builtin-count.c @@ -0,0 +1,125 @@ +/* + * Builtin "git count-objects". + * + * Copyright (c) 2006 Junio C Hamano + */ + +#include "cache.h" +#include "builtin.h" + +static const char count_objects_usage[] = "git-count-objects [-v]"; + +static void count_objects(DIR *d, char *path, int len, int verbose, + unsigned long *loose, + unsigned long *loose_size, + unsigned long *packed_loose, + unsigned long *garbage) +{ + struct dirent *ent; + while ((ent = readdir(d)) != NULL) { + char hex[41]; + unsigned char sha1[20]; + const char *cp; + int bad = 0; + + if ((ent->d_name[0] == '.') && + (ent->d_name[1] == 0 || + ((ent->d_name[1] == '.') && (ent->d_name[2] == 0)))) + continue; + for (cp = ent->d_name; *cp; cp++) { + int ch = *cp; + if (('0' <= ch && ch <= '9') || + ('a' <= ch && ch <= 'f')) + continue; + bad = 1; + break; + } + if (cp - ent->d_name != 38) + bad = 1; + else { + struct stat st; + memcpy(path + len + 3, ent->d_name, 38); + path[len + 2] = '/'; + path[len + 41] = 0; + if (lstat(path, &st) || !S_ISREG(st.st_mode)) + bad = 1; + else + (*loose_size) += st.st_blocks; + } + if (bad) { + if (verbose) { + error("garbage found: %.*s/%s", + len + 2, path, ent->d_name); + (*garbage)++; + } + continue; + } + (*loose)++; + if (!verbose) + continue; + memcpy(hex, path+len, 2); + memcpy(hex+2, ent->d_name, 38); + hex[40] = 0; + if (get_sha1_hex(hex, sha1)) + die("internal error"); + if (has_sha1_pack(sha1)) + (*packed_loose)++; + } +} + +int cmd_count_objects(int ac, const char **av, char **ep) +{ + int i; + int verbose = 0; + const char *objdir = get_object_directory(); + int len = strlen(objdir); + char *path = xmalloc(len + 50); + unsigned long loose = 0, packed = 0, packed_loose = 0, garbage = 0; + unsigned long loose_size = 0; + + for (i = 1; i < ac; i++) { + const char *arg = av[i]; + if (*arg != '-') + break; + else if (!strcmp(arg, "-v")) + verbose = 1; + else + usage(count_objects_usage); + } + + /* we do not take arguments other than flags for now */ + if (i < ac) + usage(count_objects_usage); + memcpy(path, objdir, len); + if (len && objdir[len-1] != '/') + path[len++] = '/'; + for (i = 0; i < 256; i++) { + DIR *d; + sprintf(path + len, "%02x", i); + d = opendir(path); + if (!d) + continue; + count_objects(d, path, len, verbose, + &loose, &loose_size, &packed_loose, &garbage); + closedir(d); + } + if (verbose) { + struct packed_git *p; + if (!packed_git) + prepare_packed_git(); + for (p = packed_git; p; p = p->next) { + if (!p->pack_local) + continue; + packed += num_packed_objects(p); + } + printf("count: %lu\n", loose); + printf("size: %lu\n", loose_size / 2); + printf("in-pack: %lu\n", packed); + printf("prune-packable: %lu\n", packed_loose); + printf("garbage: %lu\n", garbage); + } + else + printf("%lu objects, %lu kilobytes\n", + loose, loose_size / 2); + return 0; +} diff --git a/builtin-diff.c b/builtin-diff.c new file mode 100644 index 0000000000..636edbf2a7 --- /dev/null +++ b/builtin-diff.c @@ -0,0 +1,369 @@ +/* + * Builtin "git diff" + * + * Copyright (c) 2006 Junio C Hamano + */ +#include "cache.h" +#include "commit.h" +#include "blob.h" +#include "tag.h" +#include "diff.h" +#include "diffcore.h" +#include "revision.h" +#include "log-tree.h" +#include "builtin.h" + +/* NEEDSWORK: struct object has place for name but we _do_ + * know mode when we extracted the blob out of a tree, which + * we currently lose. + */ +struct blobinfo { + unsigned char sha1[20]; + const char *name; +}; + +static const char builtin_diff_usage[] = +"diff <options> <rev>{0,2} -- <path>*"; + +static int builtin_diff_files(struct rev_info *revs, + int argc, const char **argv) +{ + int silent = 0; + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp(arg, "--base")) + revs->max_count = 1; + else if (!strcmp(arg, "--ours")) + revs->max_count = 2; + else if (!strcmp(arg, "--theirs")) + revs->max_count = 3; + else if (!strcmp(arg, "-q")) + silent = 1; + else if (!strcmp(arg, "--raw")) + revs->diffopt.output_format = DIFF_FORMAT_RAW; + else + usage(builtin_diff_usage); + argv++; argc--; + } + /* + * Make sure there are NO revision (i.e. pending object) parameter, + * specified rev.max_count is reasonable (0 <= n <= 3), and + * there is no other revision filtering parameter. + */ + if (revs->pending_objects || + revs->min_age != -1 || + revs->max_age != -1 || + 3 < revs->max_count) + usage(builtin_diff_usage); + if (revs->max_count < 0 && + (revs->diffopt.output_format == DIFF_FORMAT_PATCH)) + revs->combine_merges = revs->dense_combined_merges = 1; + /* + * Backward compatibility wart - "diff-files -s" used to + * defeat the common diff option "-s" which asked for + * DIFF_FORMAT_NO_OUTPUT. + */ + if (revs->diffopt.output_format == DIFF_FORMAT_NO_OUTPUT) + revs->diffopt.output_format = DIFF_FORMAT_RAW; + return run_diff_files(revs, silent); +} + +static void stuff_change(struct diff_options *opt, + unsigned old_mode, unsigned new_mode, + const unsigned char *old_sha1, + const unsigned char *new_sha1, + const char *old_name, + const char *new_name) +{ + struct diff_filespec *one, *two; + + if (memcmp(null_sha1, old_sha1, 20) && + memcmp(null_sha1, new_sha1, 20) && + !memcmp(old_sha1, new_sha1, 20)) + return; + + if (opt->reverse_diff) { + unsigned tmp; + const + const unsigned char *tmp_u; + const char *tmp_c; + tmp = old_mode; old_mode = new_mode; new_mode = tmp; + tmp_u = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_u; + tmp_c = old_name; old_name = new_name; new_name = tmp_c; + } + one = alloc_filespec(old_name); + two = alloc_filespec(new_name); + fill_filespec(one, old_sha1, old_mode); + fill_filespec(two, new_sha1, new_mode); + + /* NEEDSWORK: shouldn't this part of diffopt??? */ + diff_queue(&diff_queued_diff, one, two); +} + +static int builtin_diff_b_f(struct rev_info *revs, + int argc, const char **argv, + struct blobinfo *blob, + const char *path) +{ + /* Blob vs file in the working tree*/ + struct stat st; + + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp(arg, "--raw")) + revs->diffopt.output_format = DIFF_FORMAT_RAW; + else + usage(builtin_diff_usage); + argv++; argc--; + } + if (lstat(path, &st)) + die("'%s': %s", path, strerror(errno)); + if (!(S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))) + die("'%s': not a regular file or symlink", path); + stuff_change(&revs->diffopt, + canon_mode(st.st_mode), canon_mode(st.st_mode), + blob[0].sha1, null_sha1, + blob[0].name, path); + diffcore_std(&revs->diffopt); + diff_flush(&revs->diffopt); + return 0; +} + +static int builtin_diff_blobs(struct rev_info *revs, + int argc, const char **argv, + struct blobinfo *blob) +{ + /* Blobs */ + unsigned mode = canon_mode(S_IFREG | 0644); + + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp(arg, "--raw")) + revs->diffopt.output_format = DIFF_FORMAT_RAW; + else + usage(builtin_diff_usage); + argv++; argc--; + } + stuff_change(&revs->diffopt, + mode, mode, + blob[0].sha1, blob[1].sha1, + blob[1].name, blob[1].name); + diffcore_std(&revs->diffopt); + diff_flush(&revs->diffopt); + return 0; +} + +static int builtin_diff_index(struct rev_info *revs, + int argc, const char **argv) +{ + int cached = 0; + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp(arg, "--cached")) + cached = 1; + else if (!strcmp(arg, "--raw")) + revs->diffopt.output_format = DIFF_FORMAT_RAW; + else + usage(builtin_diff_usage); + argv++; argc--; + } + /* + * Make sure there is one revision (i.e. pending object), + * and there is no revision filtering parameters. + */ + if (!revs->pending_objects || revs->pending_objects->next || + revs->max_count != -1 || revs->min_age != -1 || + revs->max_age != -1) + usage(builtin_diff_usage); + return run_diff_index(revs, cached); +} + +static int builtin_diff_tree(struct rev_info *revs, + int argc, const char **argv, + struct object_list *ent) +{ + const unsigned char *(sha1[2]); + int swap = 1; + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp(arg, "--raw")) + revs->diffopt.output_format = DIFF_FORMAT_RAW; + else + usage(builtin_diff_usage); + argv++; argc--; + } + + /* We saw two trees, ent[0] and ent[1]. + * unless ent[0] is unintesting, they are swapped + */ + if (ent[0].item->flags & UNINTERESTING) + swap = 0; + sha1[swap] = ent[0].item->sha1; + sha1[1-swap] = ent[1].item->sha1; + diff_tree_sha1(sha1[0], sha1[1], "", &revs->diffopt); + log_tree_diff_flush(revs); + return 0; +} + +static int builtin_diff_combined(struct rev_info *revs, + int argc, const char **argv, + struct object_list *ent, + int ents) +{ + const unsigned char (*parent)[20]; + int i; + + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp(arg, "--raw")) + revs->diffopt.output_format = DIFF_FORMAT_RAW; + else + usage(builtin_diff_usage); + argv++; argc--; + } + if (!revs->dense_combined_merges && !revs->combine_merges) + revs->dense_combined_merges = revs->combine_merges = 1; + parent = xmalloc(ents * sizeof(*parent)); + /* Again, the revs are all reverse */ + for (i = 0; i < ents; i++) + memcpy(parent + i, ent[ents - 1 - i].item->sha1, 20); + diff_tree_combined(parent[0], parent + 1, ents - 1, + revs->dense_combined_merges, revs); + return 0; +} + +static void add_head(struct rev_info *revs) +{ + unsigned char sha1[20]; + struct object *obj; + if (get_sha1("HEAD", sha1)) + return; + obj = parse_object(sha1); + if (!obj) + return; + add_object(obj, &revs->pending_objects, NULL, "HEAD"); +} + +int cmd_diff(int argc, const char **argv, char **envp) +{ + struct rev_info rev; + struct object_list *list, ent[100]; + int ents = 0, blobs = 0, paths = 0; + const char *path = NULL; + struct blobinfo blob[2]; + + /* + * We could get N tree-ish in the rev.pending_objects list. + * Also there could be M blobs there, and P pathspecs. + * + * N=0, M=0: + * cache vs files (diff-files) + * N=0, M=2: + * compare two random blobs. P must be zero. + * N=0, M=1, P=1: + * compare a blob with a working tree file. + * + * N=1, M=0: + * tree vs cache (diff-index --cached) + * + * N=2, M=0: + * tree vs tree (diff-tree) + * + * Other cases are errors. + */ + + git_config(git_diff_config); + init_revisions(&rev); + rev.diffopt.output_format = DIFF_FORMAT_PATCH; + + argc = setup_revisions(argc, argv, &rev, NULL); + /* Do we have --cached and not have a pending object, then + * default to HEAD by hand. Eek. + */ + if (!rev.pending_objects) { + int i; + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + if (!strcmp(arg, "--")) + break; + else if (!strcmp(arg, "--cached")) { + add_head(&rev); + break; + } + } + } + + for (list = rev.pending_objects; list; list = list->next) { + struct object *obj = list->item; + const char *name = list->name; + int flags = (obj->flags & UNINTERESTING); + if (!obj->parsed) + obj = parse_object(obj->sha1); + obj = deref_tag(obj, NULL, 0); + if (!obj) + die("invalid object '%s' given.", name); + if (!strcmp(obj->type, commit_type)) + obj = &((struct commit *)obj)->tree->object; + if (!strcmp(obj->type, tree_type)) { + if (ARRAY_SIZE(ent) <= ents) + die("more than %d trees given: '%s'", + (int) ARRAY_SIZE(ent), name); + obj->flags |= flags; + ent[ents].item = obj; + ent[ents].name = name; + ents++; + continue; + } + if (!strcmp(obj->type, blob_type)) { + if (2 <= blobs) + die("more than two blobs given: '%s'", name); + memcpy(blob[blobs].sha1, obj->sha1, 20); + blob[blobs].name = name; + blobs++; + continue; + + } + die("unhandled object '%s' given.", name); + } + if (rev.prune_data) { + const char **pathspec = rev.prune_data; + while (*pathspec) { + if (!path) + path = *pathspec; + paths++; + pathspec++; + } + } + + /* + * Now, do the arguments look reasonable? + */ + if (!ents) { + switch (blobs) { + case 0: + return builtin_diff_files(&rev, argc, argv); + break; + case 1: + if (paths != 1) + usage(builtin_diff_usage); + return builtin_diff_b_f(&rev, argc, argv, blob, path); + break; + case 2: + if (paths) + usage(builtin_diff_usage); + return builtin_diff_blobs(&rev, argc, argv, blob); + break; + default: + usage(builtin_diff_usage); + } + } + else if (blobs) + usage(builtin_diff_usage); + else if (ents == 1) + return builtin_diff_index(&rev, argc, argv); + else if (ents == 2) + return builtin_diff_tree(&rev, argc, argv, ent); + else + return builtin_diff_combined(&rev, argc, argv, ent, ents); + usage(builtin_diff_usage); +} diff --git a/builtin-help.c b/builtin-help.c index 10a59cc403..7470faa566 100644 --- a/builtin-help.c +++ b/builtin-help.c @@ -3,6 +3,7 @@ * * Builtin help-related commands (help, usage, version) */ +#include <sys/ioctl.h> #include "cache.h" #include "builtin.h" #include "exec_cmd.h" diff --git a/builtin-push.c b/builtin-push.c new file mode 100644 index 0000000000..e530022824 --- /dev/null +++ b/builtin-push.c @@ -0,0 +1,312 @@ +/* + * "git push" + */ +#include "cache.h" +#include "refs.h" +#include "run-command.h" +#include "builtin.h" + +#define MAX_URI (16) + +static const char push_usage[] = "git push [--all] [--tags] [--force] <repository> [<refspec>...]"; + +static int all = 0, tags = 0, force = 0, thin = 1; +static const char *execute = NULL; + +#define BUF_SIZE (2084) +static char buffer[BUF_SIZE]; + +static const char **refspec = NULL; +static int refspec_nr = 0; + +static void add_refspec(const char *ref) +{ + int nr = refspec_nr + 1; + refspec = xrealloc(refspec, nr * sizeof(char *)); + refspec[nr-1] = ref; + refspec_nr = nr; +} + +static int expand_one_ref(const char *ref, const unsigned char *sha1) +{ + /* Ignore the "refs/" at the beginning of the refname */ + ref += 5; + + if (strncmp(ref, "tags/", 5)) + return 0; + + add_refspec(strdup(ref)); + return 0; +} + +static void expand_refspecs(void) +{ + if (all) { + if (refspec_nr) + die("cannot mix '--all' and a refspec"); + + /* + * No need to expand "--all" - we'll just use + * the "--all" flag to send-pack + */ + return; + } + if (!tags) + return; + for_each_ref(expand_one_ref); +} + +static void set_refspecs(const char **refs, int nr) +{ + if (nr) { + size_t bytes = nr * sizeof(char *); + + refspec = xrealloc(refspec, bytes); + memcpy(refspec, refs, bytes); + refspec_nr = nr; + } + expand_refspecs(); +} + +static int get_remotes_uri(const char *repo, const char *uri[MAX_URI]) +{ + int n = 0; + FILE *f = fopen(git_path("remotes/%s", repo), "r"); + int has_explicit_refspec = refspec_nr || all || tags; + + if (!f) + return -1; + while (fgets(buffer, BUF_SIZE, f)) { + int is_refspec; + char *s, *p; + + if (!strncmp("URL: ", buffer, 5)) { + is_refspec = 0; + s = buffer + 5; + } else if (!strncmp("Push: ", buffer, 6)) { + is_refspec = 1; + s = buffer + 6; + } else + continue; + + /* Remove whitespace at the head.. */ + while (isspace(*s)) + s++; + if (!*s) + continue; + + /* ..and at the end */ + p = s + strlen(s); + while (isspace(p[-1])) + *--p = 0; + + if (!is_refspec) { + if (n < MAX_URI) + uri[n++] = strdup(s); + else + error("more than %d URL's specified, ignoreing the rest", MAX_URI); + } + else if (is_refspec && !has_explicit_refspec) + add_refspec(strdup(s)); + } + fclose(f); + if (!n) + die("remote '%s' has no URL", repo); + return n; +} + +static const char **config_uri; +static const char *config_repo; +static int config_repo_len; +static int config_current_uri; +static int config_get_refspecs; + +static int get_remote_config(const char* key, const char* value) +{ + if (!strncmp(key, "remote.", 7) && + !strncmp(key + 7, config_repo, config_repo_len)) { + if (!strcmp(key + 7 + config_repo_len, ".url")) { + if (config_current_uri < MAX_URI) + config_uri[config_current_uri++] = strdup(value); + else + error("more than %d URL's specified, ignoring the rest", MAX_URI); + } + else if (config_get_refspecs && + !strcmp(key + 7 + config_repo_len, ".push")) + add_refspec(strdup(value)); + } + return 0; +} + +static int get_config_remotes_uri(const char *repo, const char *uri[MAX_URI]) +{ + config_repo_len = strlen(repo); + config_repo = repo; + config_current_uri = 0; + config_uri = uri; + config_get_refspecs = !(refspec_nr || all || tags); + + git_config(get_remote_config); + return config_current_uri; +} + +static int get_branches_uri(const char *repo, const char *uri[MAX_URI]) +{ + const char *slash = strchr(repo, '/'); + int n = slash ? slash - repo : 1000; + FILE *f = fopen(git_path("branches/%.*s", n, repo), "r"); + char *s, *p; + int len; + + if (!f) + return 0; + s = fgets(buffer, BUF_SIZE, f); + fclose(f); + if (!s) + return 0; + while (isspace(*s)) + s++; + if (!*s) + return 0; + p = s + strlen(s); + while (isspace(p[-1])) + *--p = 0; + len = p - s; + if (slash) + len += strlen(slash); + p = xmalloc(len + 1); + strcpy(p, s); + if (slash) + strcat(p, slash); + uri[0] = p; + return 1; +} + +/* + * Read remotes and branches file, fill the push target URI + * list. If there is no command line refspecs, read Push: lines + * to set up the *refspec list as well. + * return the number of push target URIs + */ +static int read_config(const char *repo, const char *uri[MAX_URI]) +{ + int n; + + if (*repo != '/') { + n = get_remotes_uri(repo, uri); + if (n > 0) + return n; + + n = get_config_remotes_uri(repo, uri); + if (n > 0) + return n; + + n = get_branches_uri(repo, uri); + if (n > 0) + return n; + } + + uri[0] = repo; + return 1; +} + +static int do_push(const char *repo) +{ + const char *uri[MAX_URI]; + int i, n; + int remote; + const char **argv; + int argc; + + n = read_config(repo, uri); + if (n <= 0) + die("bad repository '%s'", repo); + + argv = xmalloc((refspec_nr + 10) * sizeof(char *)); + argv[0] = "dummy-send-pack"; + argc = 1; + if (all) + argv[argc++] = "--all"; + if (force) + argv[argc++] = "--force"; + if (execute) + argv[argc++] = execute; + if (thin) + argv[argc++] = "--thin"; + remote = argc; + argv[argc++] = "dummy-remote"; + while (refspec_nr--) + argv[argc++] = *refspec++; + argv[argc] = NULL; + + for (i = 0; i < n; i++) { + int error; + const char *dest = uri[i]; + const char *sender = "git-send-pack"; + if (!strncmp(dest, "http://", 7) || + !strncmp(dest, "https://", 8)) + sender = "git-http-push"; + argv[0] = sender; + argv[remote] = dest; + error = run_command_v(argc, argv); + if (!error) + continue; + switch (error) { + case -ERR_RUN_COMMAND_FORK: + die("unable to fork for %s", sender); + case -ERR_RUN_COMMAND_EXEC: + die("unable to exec %s", sender); + case -ERR_RUN_COMMAND_WAITPID: + case -ERR_RUN_COMMAND_WAITPID_WRONG_PID: + case -ERR_RUN_COMMAND_WAITPID_SIGNAL: + case -ERR_RUN_COMMAND_WAITPID_NOEXIT: + die("%s died with strange error", sender); + default: + return -error; + } + } + return 0; +} + +int cmd_push(int argc, const char **argv, char **envp) +{ + int i; + const char *repo = "origin"; // default repository + + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + + if (arg[0] != '-') { + repo = arg; + i++; + break; + } + if (!strcmp(arg, "--all")) { + all = 1; + continue; + } + if (!strcmp(arg, "--tags")) { + tags = 1; + continue; + } + if (!strcmp(arg, "--force")) { + force = 1; + continue; + } + if (!strcmp(arg, "--thin")) { + thin = 1; + continue; + } + if (!strcmp(arg, "--no-thin")) { + thin = 0; + continue; + } + if (!strncmp(arg, "--exec=", 7)) { + execute = arg; + continue; + } + usage(push_usage); + } + set_refspecs(argv + i, argc - i); + return do_push(repo); +} @@ -19,6 +19,10 @@ extern int cmd_version(int argc, const char **argv, char **envp); extern int cmd_whatchanged(int argc, const char **argv, char **envp); extern int cmd_show(int argc, const char **argv, char **envp); extern int cmd_log(int argc, const char **argv, char **envp); +extern int cmd_diff(int argc, const char **argv, char **envp); extern int cmd_format_patch(int argc, const char **argv, char **envp); +extern int cmd_count_objects(int argc, const char **argv, char **envp); + +extern int cmd_push(int argc, const char **argv, char **envp); #endif @@ -134,6 +134,8 @@ extern const char *setup_git_directory_gently(int *); extern const char *setup_git_directory(void); extern const char *prefix_path(const char *prefix, int len, const char *path); extern const char *prefix_filename(const char *prefix, int len, const char *path); +extern void verify_filename(const char *prefix, const char *name); +extern void verify_non_filename(const char *prefix, const char *name); #define alloc_nr(x) (((x)+16)*3/2) @@ -167,7 +169,7 @@ extern void rollback_index_file(struct cache_file *); /* Environment bits from configuration mechanism */ extern int trust_executable_bit; extern int assume_unchanged; -extern int only_use_symrefs; +extern int prefer_symlink_refs; extern int warn_ambiguous_refs; extern int diff_rename_limit_default; extern int shared_repository; diff --git a/checkout-index.c b/checkout-index.c index dd6a2d86fe..0b9cabc61c 100644 --- a/checkout-index.c +++ b/checkout-index.c @@ -269,12 +269,16 @@ int main(int argc, char **argv) /* Check out named files first */ for ( ; i < argc; i++) { const char *arg = argv[i]; + const char *p; if (all) die("git-checkout-index: don't mix '--all' and explicit filenames"); if (read_from_stdin) die("git-checkout-index: don't mix '--stdin' and explicit filenames"); - checkout_file(prefix_path(prefix, prefix_length, arg)); + p = prefix_path(prefix, prefix_length, arg); + checkout_file(p); + if (p != arg) + free((char*)p); } if (read_from_stdin) { @@ -284,6 +288,8 @@ int main(int argc, char **argv) strbuf_init(&buf); while (1) { char *path_name; + const char *p; + read_line(&buf, stdin, line_termination); if (buf.eof) break; @@ -291,7 +297,10 @@ int main(int argc, char **argv) path_name = unquote_c_style(buf.buf, NULL); else path_name = buf.buf; - checkout_file(prefix_path(prefix, prefix_length, path_name)); + p = prefix_path(prefix, prefix_length, path_name); + checkout_file(p); + if (p != path_name) + free((char *)p); if (path_name != buf.buf) free(path_name); } diff --git a/combine-diff.c b/combine-diff.c index ca36f5d5e7..8a8fe3863a 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -831,15 +831,16 @@ void show_combined_diff(struct combine_diff_path *p, } } -void diff_tree_combined_merge(const unsigned char *sha1, - int dense, struct rev_info *rev) +void diff_tree_combined(const unsigned char *sha1, + const unsigned char parent[][20], + int num_parent, + int dense, + struct rev_info *rev) { struct diff_options *opt = &rev->diffopt; - struct commit *commit = lookup_commit(sha1); struct diff_options diffopts; - struct commit_list *parents; struct combine_diff_path *p, *paths = NULL; - int num_parent, i, num_paths; + int i, num_paths; int do_diffstat; do_diffstat = (opt->output_format == DIFF_FORMAT_DIFFSTAT || @@ -849,17 +850,8 @@ void diff_tree_combined_merge(const unsigned char *sha1, diffopts.with_stat = 0; diffopts.recursive = 1; - /* count parents */ - for (parents = commit->parents, num_parent = 0; - parents; - parents = parents->next, num_parent++) - ; /* nothing */ - /* find set of paths that everybody touches */ - for (parents = commit->parents, i = 0; - parents; - parents = parents->next, i++) { - struct commit *parent = parents->item; + for (i = 0; i < num_parent; i++) { /* show stat against the first parent even * when doing combined diff. */ @@ -867,8 +859,7 @@ void diff_tree_combined_merge(const unsigned char *sha1, diffopts.output_format = DIFF_FORMAT_DIFFSTAT; else diffopts.output_format = DIFF_FORMAT_NO_OUTPUT; - diff_tree_sha1(parent->object.sha1, commit->object.sha1, "", - &diffopts); + diff_tree_sha1(parent[i], sha1, "", &diffopts); diffcore_std(&diffopts); paths = intersect_paths(paths, i, num_parent); @@ -907,3 +898,25 @@ void diff_tree_combined_merge(const unsigned char *sha1, free(tmp); } } + +void diff_tree_combined_merge(const unsigned char *sha1, + int dense, struct rev_info *rev) +{ + int num_parent; + const unsigned char (*parent)[20]; + struct commit *commit = lookup_commit(sha1); + struct commit_list *parents; + + /* count parents */ + for (parents = commit->parents, num_parent = 0; + parents; + parents = parents->next, num_parent++) + ; /* nothing */ + + parent = xmalloc(num_parent * sizeof(*parent)); + for (parents = commit->parents, num_parent = 0; + parents; + parents = parents->next, num_parent++) + memcpy(parent + num_parent, parents->item->object.sha1, 20); + diff_tree_combined(sha1, parent, num_parent, dense, rev); +} diff --git a/commit-tree.c b/commit-tree.c index 2d8651894a..bad72e89e8 100644 --- a/commit-tree.c +++ b/commit-tree.c @@ -45,14 +45,13 @@ static void add_buffer(char **bufp, unsigned int *sizep, const char *fmt, ...) static void check_valid(unsigned char *sha1, const char *expect) { - void *buf; char type[20]; - unsigned long size; - buf = read_sha1_file(sha1, type, &size); - if (!buf || strcmp(type, expect)) - die("%s is not a valid '%s' object", sha1_to_hex(sha1), expect); - free(buf); + if (sha1_object_info(sha1, type, NULL)) + die("%s is not a valid object", sha1_to_hex(sha1)); + if (expect && strcmp(type, expect)) + die("%s is not a valid '%s' object", sha1_to_hex(sha1), + expect); } /* @@ -92,7 +91,7 @@ int main(int argc, char **argv) git_config(git_default_config); - if (argc < 2 || get_sha1_hex(argv[1], tree_sha1) < 0) + if (argc < 2 || get_sha1(argv[1], tree_sha1) < 0) usage(commit_tree_usage); check_valid(tree_sha1, tree_type); @@ -60,6 +60,12 @@ static char *parse_value(void) space = 1; continue; } + if (!quote) { + if (c == ';' || c == '#') { + comment = 1; + continue; + } + } if (space) { if (len) value[len++] = ' '; @@ -93,12 +99,6 @@ static char *parse_value(void) quote = 1-quote; continue; } - if (!quote) { - if (c == ';' || c == '#') { - comment = 1; - continue; - } - } value[len++] = c; } } @@ -227,8 +227,8 @@ int git_default_config(const char *var, const char *value) return 0; } - if (!strcmp(var, "core.symrefsonly")) { - only_use_symrefs = git_config_bool(var, value); + if (!strcmp(var, "core.prefersymlinkrefs")) { + prefer_symlink_refs = git_config_bool(var, value); return 0; } @@ -252,7 +252,7 @@ int git_default_config(const char *var, const char *value) return 0; } - /* Add other config variables here.. */ + /* Add other config variables here and to Documentation/config.txt. */ return 0; } @@ -335,8 +335,11 @@ static int store_aux(const char* key, const char* value) store.offset[store.seen] = ftell(config_file); store.state = KEY_SEEN; store.seen++; - } else if(!strncmp(key, store.key, store.baselen)) - store.state = SECTION_SEEN; + } else if (strrchr(key, '.') - key == store.baselen && + !strncmp(key, store.key, store.baselen)) { + store.state = SECTION_SEEN; + store.offset[store.seen] = ftell(config_file); + } } return 0; } diff --git a/contrib/colordiff/README b/contrib/colordiff/README new file mode 100644 index 0000000000..2678fdf9c2 --- /dev/null +++ b/contrib/colordiff/README @@ -0,0 +1,2 @@ +This is "colordiff" (http://colordiff.sourceforge.net/) by Dave +Ewart <davee@sungate.co.uk>, modified specifically for git. diff --git a/contrib/colordiff/colordiff.perl b/contrib/colordiff/colordiff.perl new file mode 100755 index 0000000000..5789cfb265 --- /dev/null +++ b/contrib/colordiff/colordiff.perl @@ -0,0 +1,196 @@ +#!/usr/bin/perl -w +# +# $Id: colordiff.pl,v 1.4.2.10 2004/01/04 15:02:59 daveewart Exp $ + +######################################################################## +# # +# ColorDiff - a wrapper/replacment for 'diff' producing # +# colourful output # +# # +# Copyright (C)2002-2004 Dave Ewart (davee@sungate.co.uk) # +# # +######################################################################## +# # +# This program is free software; you can redistribute it and/or modify # +# it under the terms of the GNU General Public License as published by # +# the Free Software Foundation; either version 2 of the License, or # +# (at your option) any later version. # +# # +# This program is distributed in the hope that it will be useful, # +# but WITHOUT ANY WARRANTY; without even the implied warranty of # +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # +# GNU General Public License for more details. # +# # +# You should have received a copy of the GNU General Public License # +# along with this program; if not, write to the Free Software # +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. # +# # +######################################################################## + +use strict; +use Getopt::Long qw(:config pass_through); +use IPC::Open2; + +my $app_name = 'colordiff'; +my $version = '1.0.4'; +my $author = 'Dave Ewart'; +my $author_email = 'davee@sungate.co.uk'; +my $app_www = 'http://colordiff.sourceforge.net/'; +my $copyright = '(C)2002-2004'; +my $show_banner = 1; + +# ANSI sequences for colours +my %colour; +$colour{white} = "\033[1;37m"; +$colour{yellow} = "\033[1;33m"; +$colour{green} = "\033[1;32m"; +$colour{blue} = "\033[1;34m"; +$colour{cyan} = "\033[1;36m"; +$colour{red} = "\033[1;31m"; +$colour{magenta} = "\033[1;35m"; +$colour{black} = "\033[1;30m"; +$colour{darkwhite} = "\033[0;37m"; +$colour{darkyellow} = "\033[0;33m"; +$colour{darkgreen} = "\033[0;32m"; +$colour{darkblue} = "\033[0;34m"; +$colour{darkcyan} = "\033[0;36m"; +$colour{darkred} = "\033[0;31m"; +$colour{darkmagenta} = "\033[0;35m"; +$colour{darkblack} = "\033[0;30m"; +$colour{OFF} = "\033[0;0m"; + +# Default colours if /etc/colordiffrc or ~/.colordiffrc do not exist +my $plain_text = $colour{OFF}; +my $file_old = $colour{red}; +my $file_new = $colour{blue}; +my $diff_stuff = $colour{magenta}; + +# Locations for personal and system-wide colour configurations +my $HOME = $ENV{HOME}; +my $etcdir = '/etc'; + +my ($setting, $value); +my @config_files = ("$etcdir/colordiffrc", "$HOME/.colordiffrc"); +my $config_file; + +foreach $config_file (@config_files) { + if (open(COLORDIFFRC, "<$config_file")) { + while (<COLORDIFFRC>) { + chop; + next if (/^#/ || /^$/); + s/\s+//g; + ($setting, $value) = split ('='); + if ($setting eq 'banner') { + if ($value eq 'no') { + $show_banner = 0; + } + next; + } + if (!defined $colour{$value}) { + print "Invalid colour specification ($value) in $config_file\n"; + next; + } + if ($setting eq 'plain') { + $plain_text = $colour{$value}; + } + elsif ($setting eq 'oldtext') { + $file_old = $colour{$value}; + } + elsif ($setting eq 'newtext') { + $file_new = $colour{$value}; + } + elsif ($setting eq 'diffstuff') { + $diff_stuff = $colour{$value}; + } + else { + print "Unknown option in $etcdir/colordiffrc: $setting\n"; + } + } + close COLORDIFFRC; + } +} + +# colordiff specfic options here. Need to pre-declare if using variables +GetOptions( + "no-banner" => sub { $show_banner = 0 }, + "plain-text=s" => \&set_color, + "file-old=s" => \&set_color, + "file-new=s" => \&set_color, + "diff-stuff=s" => \&set_color +); + +if ($show_banner == 1) { + print STDERR "$app_name $version ($app_www)\n"; + print STDERR "$copyright $author, $author_email\n\n"; +} + +if (defined $ARGV[0]) { + # More reliable way of pulling in arguments + open2(\*INPUTSTREAM, undef, "git", "diff", @ARGV); +} +else { + *INPUTSTREAM = \*STDIN; +} + +my $record; +my $nrecs = 0; +my $inside_file_old = 1; +my $nparents = undef; + +while (<INPUTSTREAM>) { + $nrecs++; + if (/^(\@\@+) -[-+0-9, ]+ \1/) { + print "$diff_stuff"; + $nparents = length($1) - 1; + } + elsif (/^diff -/ || /^index / || + /^old mode / || /^new mode / || + /^deleted file mode / || /^new file mode / || + /^similarity index / || /^dissimilarity index / || + /^copy from / || /^copy to / || + /^rename from / || /^rename to /) { + $nparents = undef; + print "$diff_stuff"; + } + elsif (defined $nparents) { + if ($nparents == 1) { + if (/^\+/) { + print $file_new; + } + elsif (/^-/) { + print $file_old; + } + else { + print $plain_text; + } + } + elsif (/^ {$nparents}/) { + print "$plain_text"; + } + elsif (/^[+ ]{$nparents}/) { + print "$file_new"; + } + elsif (/^[- ]{$nparents}/) { + print "$file_old"; + } + else { + print $plain_text; + } + } + elsif (/^--- / || /^\+\+\+ /) { + print $diff_stuff; + } + else { + print "$plain_text"; + } + s/$/$colour{OFF}/; + print "$_"; +} +close INPUTSTREAM; + +sub set_color { + my ($type, $color) = @_; + + $type =~ s/-/_/; + eval "\$$type = \$colour{$color}"; +} diff --git a/contrib/git-svn/git-svn.perl b/contrib/git-svn/git-svn.perl index 7c44450d72..de13a96b8a 100755 --- a/contrib/git-svn/git-svn.perl +++ b/contrib/git-svn/git-svn.perl @@ -8,7 +8,7 @@ use vars qw/ $AUTHOR $VERSION $GIT_SVN_INDEX $GIT_SVN $GIT_DIR $REV_DIR/; $AUTHOR = 'Eric Wong <normalperson@yhbt.net>'; -$VERSION = '0.11.0'; +$VERSION = '1.0.0'; use Cwd qw/abs_path/; $GIT_DIR = abs_path($ENV{GIT_DIR} || '.git'); @@ -42,7 +42,8 @@ my %fc_opts = ( 'no-ignore-externals' => \$_no_ignore_ext, my %cmd = ( fetch => [ \&fetch, "Download new revisions from SVN", { 'revision|r=s' => \$_revision, %fc_opts } ], - init => [ \&init, "Initialize and fetch (import)", { } ], + init => [ \&init, "Initialize a repo for tracking" . + " (requires URL argument)", { } ], commit => [ \&commit, "Commit git revisions to SVN", { 'stdin|' => \$_stdin, 'edit|e' => \$_edit, @@ -220,7 +221,8 @@ when you have upgraded your tools and habits to use refs/remotes/$GIT_SVN } sub init { - $SVN_URL = shift or croak "SVN repository location required\n"; + $SVN_URL = shift or die "SVN repository location required " . + "as a command-line argument\n"; unless (-d $GIT_DIR) { sys('git-init-db'); } diff --git a/contrib/git-svn/git-svn.txt b/contrib/git-svn/git-svn.txt index e18fcaf4fb..f7d3de48f0 100644 --- a/contrib/git-svn/git-svn.txt +++ b/contrib/git-svn/git-svn.txt @@ -36,17 +36,22 @@ COMMANDS -------- init:: Creates an empty git repository with additional metadata - directories for git-svn. The SVN_URL must be specified - at this point. + directories for git-svn. The Subversion URL must be specified + as a command-line argument. fetch:: - Fetch unfetched revisions from the SVN_URL we are tracking. - refs/heads/remotes/git-svn will be updated to the latest revision. + Fetch unfetched revisions from the Subversion URL we are + tracking. refs/remotes/git-svn will be updated to the + latest revision. - Note: You should never attempt to modify the remotes/git-svn branch - outside of git-svn. Instead, create a branch from remotes/git-svn - and work on that branch. Use the 'commit' command (see below) - to write git commits back to remotes/git-svn. + Note: You should never attempt to modify the remotes/git-svn + branch outside of git-svn. Instead, create a branch from + remotes/git-svn and work on that branch. Use the 'commit' + command (see below) to write git commits back to + remotes/git-svn. + + See 'Additional Fetch Arguments' if you are interested in + manually joining branches on commit. commit:: Commit specified commit or tree objects to SVN. This relies on @@ -62,9 +67,9 @@ rebuild:: tracked with git-svn. Unfortunately, git-clone does not clone git-svn metadata and the svn working tree that git-svn uses for its operations. This rebuilds the metadata so git-svn can - resume fetch operations. SVN_URL may be optionally specified if - the directory/repository you're tracking has moved or changed - protocols. + resume fetch operations. A Subversion URL may be optionally + specified at the command-line if the directory/repository you're + tracking has moved or changed protocols. show-ignore:: Recursively finds and lists the svn:ignore property on @@ -123,6 +128,24 @@ OPTIONS repo-config key: svn.l repo-config key: svn.findcopiesharder +-A<filename>:: +--authors-file=<filename>:: + + Syntax is compatible with the files used by git-svnimport and + git-cvsimport: + +------------------------------------------------------------------------ +loginname = Joe User <user@example.com> +------------------------------------------------------------------------ + + If this option is specified and git-svn encounters an SVN + committer name that does not exist in the authors-file, git-svn + will abort operation. The user will then have to add the + appropriate entry. Re-running the previous git-svn command + after the authors-file is modified should continue operation. + + repo-config key: svn.authors-file + ADVANCED OPTIONS ---------------- -b<refname>:: @@ -535,7 +535,7 @@ static int socksetup(int port, int **socklist_p) if (set_reuse_addr(sockfd)) { close(sockfd); - return 0; /* not fatal */ + continue; } if (bind(sockfd, ai->ai_addr, ai->ai_addrlen) < 0) { @@ -2,11 +2,11 @@ #define DELTA_H /* handling of delta buffers */ -extern void *diff_delta(void *from_buf, unsigned long from_size, - void *to_buf, unsigned long to_size, +extern void *diff_delta(const void *from_buf, unsigned long from_size, + const void *to_buf, unsigned long to_size, unsigned long *delta_size, unsigned long max_size); extern void *patch_delta(void *src_buf, unsigned long src_size, - void *delta_buf, unsigned long delta_size, + const void *delta_buf, unsigned long delta_size, unsigned long *dst_size); /* the smallest possible delta size is 4 bytes */ diff --git a/diff-delta.c b/diff-delta.c index 1188b31cd0..5bc22047f8 100644 --- a/diff-delta.c +++ b/diff-delta.c @@ -131,8 +131,8 @@ static struct index ** delta_index(const unsigned char *buf, /* the maximum size for any opcode */ #define MAX_OP_SIZE COPYOP_SIZE(0xffffffff, 0xffffffff) -void *diff_delta(void *from_buf, unsigned long from_size, - void *to_buf, unsigned long to_size, +void *diff_delta(const void *from_buf, unsigned long from_size, + const void *to_buf, unsigned long to_size, unsigned long *delta_size, unsigned long max_size) { diff --git a/diff-files.c b/diff-files.c index ffbef48b2e..b9d193d506 100644 --- a/diff-files.c +++ b/diff-files.c @@ -12,203 +12,43 @@ static const char diff_files_usage[] = "git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]" COMMON_DIFF_OPTIONS_HELP; -static struct rev_info rev; -static int silent = 0; -static int diff_unmerged_stage = 2; -static int combine_merges = 0; -static int dense_combined_merges = 0; - -static void show_unmerge(const char *path) -{ - diff_unmerge(&rev.diffopt, path); -} - -static void show_file(int pfx, struct cache_entry *ce) -{ - diff_addremove(&rev.diffopt, pfx, ntohl(ce->ce_mode), - ce->sha1, ce->name, NULL); -} - -static void show_modified(int oldmode, int mode, - const unsigned char *old_sha1, const unsigned char *sha1, - char *path) -{ - diff_change(&rev.diffopt, oldmode, mode, old_sha1, sha1, path, NULL); -} - int main(int argc, const char **argv) { - const char **pathspec; - const char *prefix = setup_git_directory(); - int entries, i; + struct rev_info rev; + int silent = 0; git_config(git_diff_config); - diff_setup(&rev.diffopt); + init_revisions(&rev); + rev.abbrev = 0; + + argc = setup_revisions(argc, argv, &rev, NULL); while (1 < argc && argv[1][0] == '-') { - if (!strcmp(argv[1], "--")) { - argv++; - argc--; - break; - } - if (!strcmp(argv[1], "-0")) - diff_unmerged_stage = 0; - else if (!strcmp(argv[1], "-1")) - diff_unmerged_stage = 1; - else if (!strcmp(argv[1], "-2")) - diff_unmerged_stage = 2; - else if (!strcmp(argv[1], "-3")) - diff_unmerged_stage = 3; - else if (!strcmp(argv[1], "--base")) - diff_unmerged_stage = 1; + if (!strcmp(argv[1], "--base")) + rev.max_count = 1; else if (!strcmp(argv[1], "--ours")) - diff_unmerged_stage = 2; + rev.max_count = 2; else if (!strcmp(argv[1], "--theirs")) - diff_unmerged_stage = 3; + rev.max_count = 3; else if (!strcmp(argv[1], "-q")) silent = 1; - else if (!strcmp(argv[1], "-r")) - ; /* no-op */ - else if (!strcmp(argv[1], "-s")) - ; /* no-op */ - else if (!strcmp(argv[1], "-c")) - combine_merges = 1; - else if (!strcmp(argv[1], "--cc")) - dense_combined_merges = combine_merges = 1; - else { - int diff_opt_cnt; - diff_opt_cnt = diff_opt_parse(&rev.diffopt, - argv+1, argc-1); - if (diff_opt_cnt < 0) - usage(diff_files_usage); - else if (diff_opt_cnt) { - argv += diff_opt_cnt; - argc -= diff_opt_cnt; - continue; - } - else - usage(diff_files_usage); - } + else + usage(diff_files_usage); argv++; argc--; } - if (dense_combined_merges) - rev.diffopt.output_format = DIFF_FORMAT_PATCH; - - /* Find the directory, and set up the pathspec */ - pathspec = get_pathspec(prefix, argv + 1); - entries = read_cache(); - - if (diff_setup_done(&rev.diffopt) < 0) + /* + * Make sure there are NO revision (i.e. pending object) parameter, + * rev.max_count is reasonable (0 <= n <= 3), + * there is no other revision filtering parameters. + */ + if (rev.pending_objects || + rev.min_age != -1 || rev.max_age != -1) usage(diff_files_usage); - - /* At this point, if argc == 1, then we are doing everything. - * Otherwise argv[1] .. argv[argc-1] have the explicit paths. + /* + * Backward compatibility wart - "diff-files -s" used to + * defeat the common diff option "-s" which asked for + * DIFF_FORMAT_NO_OUTPUT. */ - if (entries < 0) { - perror("read_cache"); - exit(1); - } - - for (i = 0; i < entries; i++) { - struct stat st; - unsigned int oldmode, newmode; - struct cache_entry *ce = active_cache[i]; - int changed; - - if (!ce_path_match(ce, pathspec)) - continue; - - if (ce_stage(ce)) { - struct { - struct combine_diff_path p; - struct combine_diff_parent filler[5]; - } combine; - int num_compare_stages = 0; - - combine.p.next = NULL; - combine.p.len = ce_namelen(ce); - combine.p.path = xmalloc(combine.p.len + 1); - memcpy(combine.p.path, ce->name, combine.p.len); - combine.p.path[combine.p.len] = 0; - combine.p.mode = 0; - memset(combine.p.sha1, 0, 20); - memset(&combine.p.parent[0], 0, - sizeof(combine.filler)); - - while (i < entries) { - struct cache_entry *nce = active_cache[i]; - int stage; - - if (strcmp(ce->name, nce->name)) - break; - - /* Stage #2 (ours) is the first parent, - * stage #3 (theirs) is the second. - */ - stage = ce_stage(nce); - if (2 <= stage) { - int mode = ntohl(nce->ce_mode); - num_compare_stages++; - memcpy(combine.p.parent[stage-2].sha1, - nce->sha1, 20); - combine.p.parent[stage-2].mode = - canon_mode(mode); - combine.p.parent[stage-2].status = - DIFF_STATUS_MODIFIED; - } - - /* diff against the proper unmerged stage */ - if (stage == diff_unmerged_stage) - ce = nce; - i++; - } - /* - * Compensate for loop update - */ - i--; - - if (combine_merges && num_compare_stages == 2) { - show_combined_diff(&combine.p, 2, - dense_combined_merges, - &rev); - free(combine.p.path); - continue; - } - free(combine.p.path); - - /* - * Show the diff for the 'ce' if we found the one - * from the desired stage. - */ - show_unmerge(ce->name); - if (ce_stage(ce) != diff_unmerged_stage) - continue; - } - - if (lstat(ce->name, &st) < 0) { - if (errno != ENOENT && errno != ENOTDIR) { - perror(ce->name); - continue; - } - if (silent) - continue; - show_file('-', ce); - continue; - } - changed = ce_match_stat(ce, &st, 0); - if (!changed && !rev.diffopt.find_copies_harder) - continue; - oldmode = ntohl(ce->ce_mode); - - newmode = canon_mode(st.st_mode); - if (!trust_executable_bit && - S_ISREG(newmode) && S_ISREG(oldmode) && - ((newmode ^ oldmode) == 0111)) - newmode = oldmode; - show_modified(oldmode, newmode, - ce->sha1, (changed ? null_sha1 : ce->sha1), - ce->name); - } - diffcore_std(&rev.diffopt); - diff_flush(&rev.diffopt); - return 0; + if (rev.diffopt.output_format == DIFF_FORMAT_NO_OUTPUT) + rev.diffopt.output_format = DIFF_FORMAT_RAW; + return run_diff_files(&rev, silent); } diff --git a/diff-index.c b/diff-index.c index e376d65f80..8c9f60173b 100644 --- a/diff-index.c +++ b/diff-index.c @@ -1,166 +1,7 @@ #include "cache.h" -#include "tree.h" #include "diff.h" - -static int cached_only = 0; -static int match_nonexisting = 0; -static struct diff_options diff_options; - -/* A file entry went away or appeared */ -static void show_file(const char *prefix, - struct cache_entry *ce, - unsigned char *sha1, unsigned int mode) -{ - diff_addremove(&diff_options, prefix[0], ntohl(mode), - sha1, ce->name, NULL); -} - -static int get_stat_data(struct cache_entry *ce, - unsigned char ** sha1p, unsigned int *modep) -{ - unsigned char *sha1 = ce->sha1; - unsigned int mode = ce->ce_mode; - - if (!cached_only) { - static unsigned char no_sha1[20]; - int changed; - struct stat st; - if (lstat(ce->name, &st) < 0) { - if (errno == ENOENT && match_nonexisting) { - *sha1p = sha1; - *modep = mode; - return 0; - } - return -1; - } - changed = ce_match_stat(ce, &st, 0); - if (changed) { - mode = create_ce_mode(st.st_mode); - if (!trust_executable_bit && S_ISREG(st.st_mode)) - mode = ce->ce_mode; - sha1 = no_sha1; - } - } - - *sha1p = sha1; - *modep = mode; - return 0; -} - -static void show_new_file(struct cache_entry *new) -{ - unsigned char *sha1; - unsigned int mode; - - /* New file in the index: it might actually be different in - * the working copy. - */ - if (get_stat_data(new, &sha1, &mode) < 0) - return; - - show_file("+", new, sha1, mode); -} - -static int show_modified(struct cache_entry *old, - struct cache_entry *new, - int report_missing) -{ - unsigned int mode, oldmode; - unsigned char *sha1; - - if (get_stat_data(new, &sha1, &mode) < 0) { - if (report_missing) - show_file("-", old, old->sha1, old->ce_mode); - return -1; - } - - oldmode = old->ce_mode; - if (mode == oldmode && !memcmp(sha1, old->sha1, 20) && - !diff_options.find_copies_harder) - return 0; - - mode = ntohl(mode); - oldmode = ntohl(oldmode); - - diff_change(&diff_options, oldmode, mode, - old->sha1, sha1, old->name, NULL); - return 0; -} - -static int diff_cache(struct cache_entry **ac, int entries, const char **pathspec) -{ - while (entries) { - struct cache_entry *ce = *ac; - int same = (entries > 1) && ce_same_name(ce, ac[1]); - - if (!ce_path_match(ce, pathspec)) - goto skip_entry; - - switch (ce_stage(ce)) { - case 0: - /* No stage 1 entry? That means it's a new file */ - if (!same) { - show_new_file(ce); - break; - } - /* Show difference between old and new */ - show_modified(ac[1], ce, 1); - break; - case 1: - /* No stage 3 (merge) entry? That means it's been deleted */ - if (!same) { - show_file("-", ce, ce->sha1, ce->ce_mode); - break; - } - /* We come here with ce pointing at stage 1 - * (original tree) and ac[1] pointing at stage - * 3 (unmerged). show-modified with - * report-missing set to false does not say the - * file is deleted but reports true if work - * tree does not have it, in which case we - * fall through to report the unmerged state. - * Otherwise, we show the differences between - * the original tree and the work tree. - */ - if (!cached_only && !show_modified(ce, ac[1], 0)) - break; - /* fallthru */ - case 3: - diff_unmerge(&diff_options, ce->name); - break; - - default: - die("impossible cache entry stage"); - } - -skip_entry: - /* - * Ignore all the different stages for this file, - * we've handled the relevant cases now. - */ - do { - ac++; - entries--; - } while (entries && ce_same_name(ce, ac[0])); - } - return 0; -} - -/* - * This turns all merge entries into "stage 3". That guarantees that - * when we read in the new tree (into "stage 1"), we won't lose sight - * of the fact that we had unmerged entries. - */ -static void mark_merge_entries(void) -{ - int i; - for (i = 0; i < active_nr; i++) { - struct cache_entry *ce = active_cache[i]; - if (!ce_stage(ce)) - continue; - ce->ce_flags |= htons(CE_STAGEMASK); - } -} +#include "commit.h" +#include "revision.h" static const char diff_cache_usage[] = "git-diff-index [-m] [--cached] " @@ -169,85 +10,29 @@ COMMON_DIFF_OPTIONS_HELP; int main(int argc, const char **argv) { - const char *tree_name = NULL; - unsigned char sha1[20]; - const char *prefix = setup_git_directory(); - const char **pathspec = NULL; - struct tree *tree; - int ret; - int allow_options = 1; + struct rev_info rev; + int cached = 0; int i; git_config(git_diff_config); - diff_setup(&diff_options); + init_revisions(&rev); + rev.abbrev = 0; + + argc = setup_revisions(argc, argv, &rev, NULL); for (i = 1; i < argc; i++) { const char *arg = argv[i]; - int diff_opt_cnt; - - if (!allow_options || *arg != '-') { - if (tree_name) - break; - tree_name = arg; - continue; - } - if (!strcmp(arg, "--")) { - allow_options = 0; - continue; - } - if (!strcmp(arg, "-r")) { - /* We accept the -r flag just to look like git-diff-tree */ - continue; - } - if (!strcmp(arg, "--cc")) - /* - * I _think_ "diff-index --cached HEAD" with an - * unmerged index could show something else - * later, but pretend --cc is the same as -p for - * now. "git diff" uses --cc by default. - */ - argv[i] = arg = "-p"; - diff_opt_cnt = diff_opt_parse(&diff_options, argv + i, - argc - i); - if (diff_opt_cnt < 0) + if (!strcmp(arg, "--cached")) + cached = 1; + else usage(diff_cache_usage); - else if (diff_opt_cnt) { - i += diff_opt_cnt - 1; - continue; - } - - if (!strcmp(arg, "-m")) { - match_nonexisting = 1; - continue; - } - if (!strcmp(arg, "--cached")) { - cached_only = 1; - continue; - } - usage(diff_cache_usage); } - - pathspec = get_pathspec(prefix, argv + i); - - if (diff_setup_done(&diff_options) < 0) - usage(diff_cache_usage); - - if (!tree_name || get_sha1(tree_name, sha1)) + /* + * Make sure there is one revision (i.e. pending object), + * and there is no revision filtering parameters. + */ + if (!rev.pending_objects || rev.pending_objects->next || + rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1) usage(diff_cache_usage); - - read_cache(); - - mark_merge_entries(); - - tree = parse_tree_indirect(sha1); - if (!tree) - die("bad tree object %s", tree_name); - if (read_tree(tree, 1, pathspec)) - die("unable to read tree object %s", tree_name); - - ret = diff_cache(active_cache, active_nr, pathspec); - - diffcore_std(&diff_options); - diff_flush(&diff_options); - return ret; + return run_diff_index(&rev, cached); } diff --git a/diff-lib.c b/diff-lib.c index 0a832c3585..2183b41b03 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -1,1736 +1,344 @@ /* * Copyright (C) 2005 Junio C Hamano */ -#include <sys/types.h> -#include <sys/wait.h> -#include <signal.h> #include "cache.h" #include "quote.h" +#include "commit.h" #include "diff.h" #include "diffcore.h" -#include "xdiff-interface.h" +#include "revision.h" -static int use_size_cache; - -int diff_rename_limit_default = -1; - -int git_diff_config(const char *var, const char *value) -{ - if (!strcmp(var, "diff.renamelimit")) { - diff_rename_limit_default = git_config_int(var, value); - return 0; - } - - return git_default_config(var, value); -} - -static char *quote_one(const char *str) -{ - int needlen; - char *xp; - - if (!str) - return NULL; - needlen = quote_c_style(str, NULL, NULL, 0); - if (!needlen) - return strdup(str); - xp = xmalloc(needlen + 1); - quote_c_style(str, xp, NULL, 0); - return xp; -} - -static char *quote_two(const char *one, const char *two) -{ - int need_one = quote_c_style(one, NULL, NULL, 1); - int need_two = quote_c_style(two, NULL, NULL, 1); - char *xp; - - if (need_one + need_two) { - if (!need_one) need_one = strlen(one); - if (!need_two) need_one = strlen(two); - - xp = xmalloc(need_one + need_two + 3); - xp[0] = '"'; - quote_c_style(one, xp + 1, NULL, 1); - quote_c_style(two, xp + need_one + 1, NULL, 1); - strcpy(xp + need_one + need_two + 1, "\""); - return xp; - } - need_one = strlen(one); - need_two = strlen(two); - xp = xmalloc(need_one + need_two + 1); - strcpy(xp, one); - strcpy(xp + need_one, two); - return xp; -} - -static const char *external_diff(void) -{ - static const char *external_diff_cmd = NULL; - static int done_preparing = 0; - - if (done_preparing) - return external_diff_cmd; - external_diff_cmd = getenv("GIT_EXTERNAL_DIFF"); - done_preparing = 1; - return external_diff_cmd; -} - -#define TEMPFILE_PATH_LEN 50 - -static struct diff_tempfile { - const char *name; /* filename external diff should read from */ - char hex[41]; - char mode[10]; - char tmp_path[TEMPFILE_PATH_LEN]; -} diff_temp[2]; - -static int count_lines(const char *data, int size) -{ - int count, ch, completely_empty = 1, nl_just_seen = 0; - count = 0; - while (0 < size--) { - ch = *data++; - if (ch == '\n') { - count++; - nl_just_seen = 1; - completely_empty = 0; - } - else { - nl_just_seen = 0; - completely_empty = 0; - } - } - if (completely_empty) - return 0; - if (!nl_just_seen) - count++; /* no trailing newline */ - return count; -} - -static void print_line_count(int count) -{ - switch (count) { - case 0: - printf("0,0"); - break; - case 1: - printf("1"); - break; - default: - printf("1,%d", count); - break; - } -} - -static void copy_file(int prefix, const char *data, int size) -{ - int ch, nl_just_seen = 1; - while (0 < size--) { - ch = *data++; - if (nl_just_seen) - putchar(prefix); - putchar(ch); - if (ch == '\n') - nl_just_seen = 1; - else - nl_just_seen = 0; - } - if (!nl_just_seen) - printf("\n\\ No newline at end of file\n"); -} +/* + * diff-files + */ -static void emit_rewrite_diff(const char *name_a, - const char *name_b, - struct diff_filespec *one, - struct diff_filespec *two) +int run_diff_files(struct rev_info *revs, int silent_on_removed) { - int lc_a, lc_b; - diff_populate_filespec(one, 0); - diff_populate_filespec(two, 0); - lc_a = count_lines(one->data, one->size); - lc_b = count_lines(two->data, two->size); - printf("--- %s\n+++ %s\n@@ -", name_a, name_b); - print_line_count(lc_a); - printf(" +"); - print_line_count(lc_b); - printf(" @@\n"); - if (lc_a) - copy_file('-', one->data, one->size); - if (lc_b) - copy_file('+', two->data, two->size); -} + int entries, i; + int diff_unmerged_stage = revs->max_count; -static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one) -{ - if (!DIFF_FILE_VALID(one)) { - mf->ptr = ""; /* does not matter */ - mf->size = 0; - return 0; - } - else if (diff_populate_filespec(one, 0)) + if (diff_unmerged_stage < 0) + diff_unmerged_stage = 2; + entries = read_cache(); + if (entries < 0) { + perror("read_cache"); return -1; - mf->ptr = one->data; - mf->size = one->size; - return 0; -} - -struct emit_callback { - const char **label_path; -}; - -static int fn_out(void *priv, mmbuffer_t *mb, int nbuf) -{ - int i; - struct emit_callback *ecbdata = priv; - - if (ecbdata->label_path[0]) { - printf("--- %s\n", ecbdata->label_path[0]); - printf("+++ %s\n", ecbdata->label_path[1]); - ecbdata->label_path[0] = ecbdata->label_path[1] = NULL; - } - for (i = 0; i < nbuf; i++) - if (!fwrite(mb[i].ptr, mb[i].size, 1, stdout)) - return -1; - return 0; -} - -struct diffstat_t { - struct xdiff_emit_state xm; - - int nr; - int alloc; - struct diffstat_file { - char *name; - unsigned is_unmerged:1; - unsigned is_binary:1; - unsigned int added, deleted; - } **files; -}; - -static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat, - const char *name) -{ - struct diffstat_file *x; - x = xcalloc(sizeof (*x), 1); - if (diffstat->nr == diffstat->alloc) { - diffstat->alloc = alloc_nr(diffstat->alloc); - diffstat->files = xrealloc(diffstat->files, - diffstat->alloc * sizeof(x)); } - diffstat->files[diffstat->nr++] = x; - x->name = strdup(name); - return x; -} - -static void diffstat_consume(void *priv, char *line, unsigned long len) -{ - struct diffstat_t *diffstat = priv; - struct diffstat_file *x = diffstat->files[diffstat->nr - 1]; - - if (line[0] == '+') - x->added++; - else if (line[0] == '-') - x->deleted++; -} - -static const char pluses[] = "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"; -static const char minuses[]= "----------------------------------------------------------------------"; - -static void show_stats(struct diffstat_t* data) -{ - char *prefix = ""; - int i, len, add, del, total, adds = 0, dels = 0; - int max, max_change = 0, max_len = 0; - int total_files = data->nr; - - if (data->nr == 0) - return; - - for (i = 0; i < data->nr; i++) { - struct diffstat_file *file = data->files[i]; - - len = strlen(file->name); - if (max_len < len) - max_len = len; + for (i = 0; i < entries; i++) { + struct stat st; + unsigned int oldmode, newmode; + struct cache_entry *ce = active_cache[i]; + int changed; - if (file->is_binary || file->is_unmerged) + if (!ce_path_match(ce, revs->prune_data)) continue; - if (max_change < file->added + file->deleted) - max_change = file->added + file->deleted; - } - for (i = 0; i < data->nr; i++) { - char *name = data->files[i]->name; - int added = data->files[i]->added; - int deleted = data->files[i]->deleted; + if (ce_stage(ce)) { + struct { + struct combine_diff_path p; + struct combine_diff_parent filler[5]; + } combine; + int num_compare_stages = 0; + + combine.p.next = NULL; + combine.p.len = ce_namelen(ce); + combine.p.path = xmalloc(combine.p.len + 1); + memcpy(combine.p.path, ce->name, combine.p.len); + combine.p.path[combine.p.len] = 0; + combine.p.mode = 0; + memset(combine.p.sha1, 0, 20); + memset(&combine.p.parent[0], 0, + sizeof(combine.filler)); + + while (i < entries) { + struct cache_entry *nce = active_cache[i]; + int stage; + + if (strcmp(ce->name, nce->name)) + break; + + /* Stage #2 (ours) is the first parent, + * stage #3 (theirs) is the second. + */ + stage = ce_stage(nce); + if (2 <= stage) { + int mode = ntohl(nce->ce_mode); + num_compare_stages++; + memcpy(combine.p.parent[stage-2].sha1, + nce->sha1, 20); + combine.p.parent[stage-2].mode = + canon_mode(mode); + combine.p.parent[stage-2].status = + DIFF_STATUS_MODIFIED; + } + + /* diff against the proper unmerged stage */ + if (stage == diff_unmerged_stage) + ce = nce; + i++; + } + /* + * Compensate for loop update + */ + i--; - if (0 < (len = quote_c_style(name, NULL, NULL, 0))) { - char *qname = xmalloc(len + 1); - quote_c_style(name, qname, NULL, 0); - free(name); - data->files[i]->name = name = qname; - } + if (revs->combine_merges && num_compare_stages == 2) { + show_combined_diff(&combine.p, 2, + revs->dense_combined_merges, + revs); + free(combine.p.path); + continue; + } + free(combine.p.path); - /* - * "scale" the filename - */ - len = strlen(name); - max = max_len; - if (max > 50) - max = 50; - if (len > max) { - char *slash; - prefix = "..."; - max -= 3; - name += len - max; - slash = strchr(name, '/'); - if (slash) - name = slash; + /* + * Show the diff for the 'ce' if we found the one + * from the desired stage. + */ + diff_unmerge(&revs->diffopt, ce->name); + if (ce_stage(ce) != diff_unmerged_stage) + continue; } - len = max; - - /* - * scale the add/delete - */ - max = max_change; - if (max + len > 70) - max = 70 - len; - if (data->files[i]->is_binary) { - printf(" %s%-*s | Bin\n", prefix, len, name); - goto free_diffstat_file; - } - else if (data->files[i]->is_unmerged) { - printf(" %s%-*s | Unmerged\n", prefix, len, name); - goto free_diffstat_file; - } - else if (added + deleted == 0) { - total_files--; - goto free_diffstat_file; + if (lstat(ce->name, &st) < 0) { + if (errno != ENOENT && errno != ENOTDIR) { + perror(ce->name); + continue; + } + if (silent_on_removed) + continue; + diff_addremove(&revs->diffopt, '-', ntohl(ce->ce_mode), + ce->sha1, ce->name, NULL); + continue; } + changed = ce_match_stat(ce, &st, 0); + if (!changed && !revs->diffopt.find_copies_harder) + continue; + oldmode = ntohl(ce->ce_mode); - add = added; - del = deleted; - total = add + del; - adds += add; - dels += del; + newmode = canon_mode(st.st_mode); + if (!trust_executable_bit && + S_ISREG(newmode) && S_ISREG(oldmode) && + ((newmode ^ oldmode) == 0111)) + newmode = oldmode; + diff_change(&revs->diffopt, oldmode, newmode, + ce->sha1, (changed ? null_sha1 : ce->sha1), + ce->name, NULL); - if (max_change > 0) { - total = (total * max + max_change / 2) / max_change; - add = (add * max + max_change / 2) / max_change; - del = total - add; - } - printf(" %s%-*s |%5d %.*s%.*s\n", prefix, - len, name, added + deleted, - add, pluses, del, minuses); - free_diffstat_file: - free(data->files[i]->name); - free(data->files[i]); } - free(data->files); - printf(" %d files changed, %d insertions(+), %d deletions(-)\n", - total_files, adds, dels); -} - -#define FIRST_FEW_BYTES 8000 -static int mmfile_is_binary(mmfile_t *mf) -{ - long sz = mf->size; - if (FIRST_FEW_BYTES < sz) - sz = FIRST_FEW_BYTES; - if (memchr(mf->ptr, 0, sz)) - return 1; + diffcore_std(&revs->diffopt); + diff_flush(&revs->diffopt); return 0; } -static void builtin_diff(const char *name_a, - const char *name_b, - struct diff_filespec *one, - struct diff_filespec *two, - const char *xfrm_msg, - int complete_rewrite) -{ - mmfile_t mf1, mf2; - const char *lbl[2]; - char *a_one, *b_two; - - a_one = quote_two("a/", name_a); - b_two = quote_two("b/", name_b); - lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; - lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null"; - printf("diff --git %s %s\n", a_one, b_two); - if (lbl[0][0] == '/') { - /* /dev/null */ - printf("new file mode %06o\n", two->mode); - if (xfrm_msg && xfrm_msg[0]) - puts(xfrm_msg); - } - else if (lbl[1][0] == '/') { - printf("deleted file mode %06o\n", one->mode); - if (xfrm_msg && xfrm_msg[0]) - puts(xfrm_msg); - } - else { - if (one->mode != two->mode) { - printf("old mode %06o\n", one->mode); - printf("new mode %06o\n", two->mode); - } - if (xfrm_msg && xfrm_msg[0]) - puts(xfrm_msg); - /* - * we do not run diff between different kind - * of objects. - */ - if ((one->mode ^ two->mode) & S_IFMT) - goto free_ab_and_return; - if (complete_rewrite) { - emit_rewrite_diff(name_a, name_b, one, two); - goto free_ab_and_return; - } - } - - if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) - die("unable to read files to diff"); - - if (mmfile_is_binary(&mf1) || mmfile_is_binary(&mf2)) - printf("Binary files %s and %s differ\n", lbl[0], lbl[1]); - else { - /* Crazy xdl interfaces.. */ - const char *diffopts = getenv("GIT_DIFF_OPTS"); - xpparam_t xpp; - xdemitconf_t xecfg; - xdemitcb_t ecb; - struct emit_callback ecbdata; - - ecbdata.label_path = lbl; - xpp.flags = XDF_NEED_MINIMAL; - xecfg.ctxlen = 3; - xecfg.flags = XDL_EMIT_FUNCNAMES; - if (!diffopts) - ; - else if (!strncmp(diffopts, "--unified=", 10)) - xecfg.ctxlen = strtoul(diffopts + 10, NULL, 10); - else if (!strncmp(diffopts, "-u", 2)) - xecfg.ctxlen = strtoul(diffopts + 2, NULL, 10); - ecb.outf = fn_out; - ecb.priv = &ecbdata; - xdl_diff(&mf1, &mf2, &xpp, &xecfg, &ecb); - } - - free_ab_and_return: - free(a_one); - free(b_two); - return; -} - -static void builtin_diffstat(const char *name_a, const char *name_b, - struct diff_filespec *one, struct diff_filespec *two, - struct diffstat_t *diffstat) -{ - mmfile_t mf1, mf2; - struct diffstat_file *data; - - data = diffstat_add(diffstat, name_a ? name_a : name_b); - - if (!one || !two) { - data->is_unmerged = 1; - return; - } - - if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) - die("unable to read files to diff"); - - if (mmfile_is_binary(&mf1) || mmfile_is_binary(&mf2)) - data->is_binary = 1; - else { - /* Crazy xdl interfaces.. */ - xpparam_t xpp; - xdemitconf_t xecfg; - xdemitcb_t ecb; - - xpp.flags = XDF_NEED_MINIMAL; - xecfg.ctxlen = 0; - xecfg.flags = 0; - ecb.outf = xdiff_outf; - ecb.priv = diffstat; - xdl_diff(&mf1, &mf2, &xpp, &xecfg, &ecb); - } -} - -struct diff_filespec *alloc_filespec(const char *path) -{ - int namelen = strlen(path); - struct diff_filespec *spec = xmalloc(sizeof(*spec) + namelen + 1); - - memset(spec, 0, sizeof(*spec)); - spec->path = (char *)(spec + 1); - memcpy(spec->path, path, namelen+1); - return spec; -} - -void fill_filespec(struct diff_filespec *spec, const unsigned char *sha1, - unsigned short mode) -{ - if (mode) { - spec->mode = canon_mode(mode); - memcpy(spec->sha1, sha1, 20); - spec->sha1_valid = !!memcmp(sha1, null_sha1, 20); - } -} - /* - * Given a name and sha1 pair, if the dircache tells us the file in - * the work tree has that object contents, return true, so that - * prepare_temp_file() does not have to inflate and extract. + * diff-index */ -static int work_tree_matches(const char *name, const unsigned char *sha1) -{ - struct cache_entry *ce; - struct stat st; - int pos, len; - /* We do not read the cache ourselves here, because the - * benchmark with my previous version that always reads cache - * shows that it makes things worse for diff-tree comparing - * two linux-2.6 kernel trees in an already checked out work - * tree. This is because most diff-tree comparisons deal with - * only a small number of files, while reading the cache is - * expensive for a large project, and its cost outweighs the - * savings we get by not inflating the object to a temporary - * file. Practically, this code only helps when we are used - * by diff-cache --cached, which does read the cache before - * calling us. - */ - if (!active_cache) - return 0; - - len = strlen(name); - pos = cache_name_pos(name, len); - if (pos < 0) - return 0; - ce = active_cache[pos]; - if ((lstat(name, &st) < 0) || - !S_ISREG(st.st_mode) || /* careful! */ - ce_match_stat(ce, &st, 0) || - memcmp(sha1, ce->sha1, 20)) - return 0; - /* we return 1 only when we can stat, it is a regular file, - * stat information matches, and sha1 recorded in the cache - * matches. I.e. we know the file in the work tree really is - * the same as the <name, sha1> pair. - */ - return 1; -} - -static struct sha1_size_cache { - unsigned char sha1[20]; - unsigned long size; -} **sha1_size_cache; -static int sha1_size_cache_nr, sha1_size_cache_alloc; - -static struct sha1_size_cache *locate_size_cache(unsigned char *sha1, - int find_only, - unsigned long size) +/* A file entry went away or appeared */ +static void diff_index_show_file(struct rev_info *revs, + const char *prefix, + struct cache_entry *ce, + unsigned char *sha1, unsigned int mode) { - int first, last; - struct sha1_size_cache *e; - - first = 0; - last = sha1_size_cache_nr; - while (last > first) { - int cmp, next = (last + first) >> 1; - e = sha1_size_cache[next]; - cmp = memcmp(e->sha1, sha1, 20); - if (!cmp) - return e; - if (cmp < 0) { - last = next; - continue; - } - first = next+1; - } - /* not found */ - if (find_only) - return NULL; - /* insert to make it at "first" */ - if (sha1_size_cache_alloc <= sha1_size_cache_nr) { - sha1_size_cache_alloc = alloc_nr(sha1_size_cache_alloc); - sha1_size_cache = xrealloc(sha1_size_cache, - sha1_size_cache_alloc * - sizeof(*sha1_size_cache)); - } - sha1_size_cache_nr++; - if (first < sha1_size_cache_nr) - memmove(sha1_size_cache + first + 1, sha1_size_cache + first, - (sha1_size_cache_nr - first - 1) * - sizeof(*sha1_size_cache)); - e = xmalloc(sizeof(struct sha1_size_cache)); - sha1_size_cache[first] = e; - memcpy(e->sha1, sha1, 20); - e->size = size; - return e; + diff_addremove(&revs->diffopt, prefix[0], ntohl(mode), + sha1, ce->name, NULL); } -/* - * While doing rename detection and pickaxe operation, we may need to - * grab the data for the blob (or file) for our own in-core comparison. - * diff_filespec has data and size fields for this purpose. - */ -int diff_populate_filespec(struct diff_filespec *s, int size_only) +static int get_stat_data(struct cache_entry *ce, + unsigned char **sha1p, + unsigned int *modep, + int cached, int match_missing) { - int err = 0; - if (!DIFF_FILE_VALID(s)) - die("internal error: asking to populate invalid file."); - if (S_ISDIR(s->mode)) - return -1; - - if (!use_size_cache) - size_only = 0; + unsigned char *sha1 = ce->sha1; + unsigned int mode = ce->ce_mode; - if (s->data) - return err; - if (!s->sha1_valid || - work_tree_matches(s->path, s->sha1)) { + if (!cached) { + static unsigned char no_sha1[20]; + int changed; struct stat st; - int fd; - if (lstat(s->path, &st) < 0) { - if (errno == ENOENT) { - err_empty: - err = -1; - empty: - s->data = ""; - s->size = 0; - return err; - } - } - s->size = st.st_size; - if (!s->size) - goto empty; - if (size_only) - return 0; - if (S_ISLNK(st.st_mode)) { - int ret; - s->data = xmalloc(s->size); - s->should_free = 1; - ret = readlink(s->path, s->data, s->size); - if (ret < 0) { - free(s->data); - goto err_empty; - } - return 0; - } - fd = open(s->path, O_RDONLY); - if (fd < 0) - goto err_empty; - s->data = mmap(NULL, s->size, PROT_READ, MAP_PRIVATE, fd, 0); - close(fd); - if (s->data == MAP_FAILED) - goto err_empty; - s->should_munmap = 1; - } - else { - char type[20]; - struct sha1_size_cache *e; - - if (size_only) { - e = locate_size_cache(s->sha1, 1, 0); - if (e) { - s->size = e->size; + if (lstat(ce->name, &st) < 0) { + if (errno == ENOENT && match_missing) { + *sha1p = sha1; + *modep = mode; return 0; } - if (!sha1_object_info(s->sha1, type, &s->size)) - locate_size_cache(s->sha1, 0, s->size); - } - else { - s->data = read_sha1_file(s->sha1, type, &s->size); - s->should_free = 1; - } - } - return 0; -} - -void diff_free_filespec_data(struct diff_filespec *s) -{ - if (s->should_free) - free(s->data); - else if (s->should_munmap) - munmap(s->data, s->size); - s->should_free = s->should_munmap = 0; - s->data = NULL; - free(s->cnt_data); - s->cnt_data = NULL; -} - -static void prep_temp_blob(struct diff_tempfile *temp, - void *blob, - unsigned long size, - const unsigned char *sha1, - int mode) -{ - int fd; - - fd = git_mkstemp(temp->tmp_path, TEMPFILE_PATH_LEN, ".diff_XXXXXX"); - if (fd < 0) - die("unable to create temp-file"); - if (write(fd, blob, size) != size) - die("unable to write temp-file"); - close(fd); - temp->name = temp->tmp_path; - strcpy(temp->hex, sha1_to_hex(sha1)); - temp->hex[40] = 0; - sprintf(temp->mode, "%06o", mode); -} - -static void prepare_temp_file(const char *name, - struct diff_tempfile *temp, - struct diff_filespec *one) -{ - if (!DIFF_FILE_VALID(one)) { - not_a_valid_file: - /* A '-' entry produces this for file-2, and - * a '+' entry produces this for file-1. - */ - temp->name = "/dev/null"; - strcpy(temp->hex, "."); - strcpy(temp->mode, "."); - return; - } - - if (!one->sha1_valid || - work_tree_matches(name, one->sha1)) { - struct stat st; - if (lstat(name, &st) < 0) { - if (errno == ENOENT) - goto not_a_valid_file; - die("stat(%s): %s", name, strerror(errno)); - } - if (S_ISLNK(st.st_mode)) { - int ret; - char buf[PATH_MAX + 1]; /* ought to be SYMLINK_MAX */ - if (sizeof(buf) <= st.st_size) - die("symlink too long: %s", name); - ret = readlink(name, buf, st.st_size); - if (ret < 0) - die("readlink(%s)", name); - prep_temp_blob(temp, buf, st.st_size, - (one->sha1_valid ? - one->sha1 : null_sha1), - (one->sha1_valid ? - one->mode : S_IFLNK)); + return -1; } - else { - /* we can borrow from the file in the work tree */ - temp->name = name; - if (!one->sha1_valid) - strcpy(temp->hex, sha1_to_hex(null_sha1)); - else - strcpy(temp->hex, sha1_to_hex(one->sha1)); - /* Even though we may sometimes borrow the - * contents from the work tree, we always want - * one->mode. mode is trustworthy even when - * !(one->sha1_valid), as long as - * DIFF_FILE_VALID(one). - */ - sprintf(temp->mode, "%06o", one->mode); + changed = ce_match_stat(ce, &st, 0); + if (changed) { + mode = create_ce_mode(st.st_mode); + if (!trust_executable_bit && S_ISREG(st.st_mode)) + mode = ce->ce_mode; + sha1 = no_sha1; } - return; } - else { - if (diff_populate_filespec(one, 0)) - die("cannot read data blob for %s", one->path); - prep_temp_blob(temp, one->data, one->size, - one->sha1, one->mode); - } -} -static void remove_tempfile(void) -{ - int i; - - for (i = 0; i < 2; i++) - if (diff_temp[i].name == diff_temp[i].tmp_path) { - unlink(diff_temp[i].name); - diff_temp[i].name = NULL; - } -} - -static void remove_tempfile_on_signal(int signo) -{ - remove_tempfile(); - signal(SIGINT, SIG_DFL); - raise(signo); + *sha1p = sha1; + *modep = mode; + return 0; } -static int spawn_prog(const char *pgm, const char **arg) +static void show_new_file(struct rev_info *revs, + struct cache_entry *new, + int cached, int match_missing) { - pid_t pid; - int status; - - fflush(NULL); - pid = fork(); - if (pid < 0) - die("unable to fork"); - if (!pid) { - execvp(pgm, (char *const*) arg); - exit(255); - } - - while (waitpid(pid, &status, 0) < 0) { - if (errno == EINTR) - continue; - return -1; - } + unsigned char *sha1; + unsigned int mode; - /* Earlier we did not check the exit status because - * diff exits non-zero if files are different, and - * we are not interested in knowing that. It was a - * mistake which made it harder to quit a diff-* - * session that uses the git-apply-patch-script as - * the GIT_EXTERNAL_DIFF. A custom GIT_EXTERNAL_DIFF - * should also exit non-zero only when it wants to - * abort the entire diff-* session. + /* New file in the index: it might actually be different in + * the working copy. */ - if (WIFEXITED(status) && !WEXITSTATUS(status)) - return 0; - return -1; -} - -/* An external diff command takes: - * - * diff-cmd name infile1 infile1-sha1 infile1-mode \ - * infile2 infile2-sha1 infile2-mode [ rename-to ] - * - */ -static void run_external_diff(const char *pgm, - const char *name, - const char *other, - struct diff_filespec *one, - struct diff_filespec *two, - const char *xfrm_msg, - int complete_rewrite) -{ - const char *spawn_arg[10]; - struct diff_tempfile *temp = diff_temp; - int retval; - static int atexit_asked = 0; - const char *othername; - const char **arg = &spawn_arg[0]; - - othername = (other? other : name); - if (one && two) { - prepare_temp_file(name, &temp[0], one); - prepare_temp_file(othername, &temp[1], two); - if (! atexit_asked && - (temp[0].name == temp[0].tmp_path || - temp[1].name == temp[1].tmp_path)) { - atexit_asked = 1; - atexit(remove_tempfile); - } - signal(SIGINT, remove_tempfile_on_signal); - } - - if (one && two) { - *arg++ = pgm; - *arg++ = name; - *arg++ = temp[0].name; - *arg++ = temp[0].hex; - *arg++ = temp[0].mode; - *arg++ = temp[1].name; - *arg++ = temp[1].hex; - *arg++ = temp[1].mode; - if (other) { - *arg++ = other; - *arg++ = xfrm_msg; - } - } else { - *arg++ = pgm; - *arg++ = name; - } - *arg = NULL; - retval = spawn_prog(pgm, spawn_arg); - remove_tempfile(); - if (retval) { - fprintf(stderr, "external diff died, stopping at %s.\n", name); - exit(1); - } -} - -static void run_diff_cmd(const char *pgm, - const char *name, - const char *other, - struct diff_filespec *one, - struct diff_filespec *two, - const char *xfrm_msg, - int complete_rewrite) -{ - if (pgm) { - run_external_diff(pgm, name, other, one, two, xfrm_msg, - complete_rewrite); - return; - } - if (one && two) - builtin_diff(name, other ? other : name, - one, two, xfrm_msg, complete_rewrite); - else - printf("* Unmerged path %s\n", name); -} - -static void diff_fill_sha1_info(struct diff_filespec *one) -{ - if (DIFF_FILE_VALID(one)) { - if (!one->sha1_valid) { - struct stat st; - if (lstat(one->path, &st) < 0) - die("stat %s", one->path); - if (index_path(one->sha1, one->path, &st, 0)) - die("cannot hash %s\n", one->path); - } - } - else - memset(one->sha1, 0, 20); -} - -static void run_diff(struct diff_filepair *p, struct diff_options *o) -{ - const char *pgm = external_diff(); - char msg[PATH_MAX*2+300], *xfrm_msg; - struct diff_filespec *one; - struct diff_filespec *two; - const char *name; - const char *other; - char *name_munged, *other_munged; - int complete_rewrite = 0; - int len; - - if (DIFF_PAIR_UNMERGED(p)) { - /* unmerged */ - run_diff_cmd(pgm, p->one->path, NULL, NULL, NULL, NULL, 0); - return; - } - - name = p->one->path; - other = (strcmp(name, p->two->path) ? p->two->path : NULL); - name_munged = quote_one(name); - other_munged = quote_one(other); - one = p->one; two = p->two; - - diff_fill_sha1_info(one); - diff_fill_sha1_info(two); - - len = 0; - switch (p->status) { - case DIFF_STATUS_COPIED: - len += snprintf(msg + len, sizeof(msg) - len, - "similarity index %d%%\n" - "copy from %s\n" - "copy to %s\n", - (int)(0.5 + p->score * 100.0/MAX_SCORE), - name_munged, other_munged); - break; - case DIFF_STATUS_RENAMED: - len += snprintf(msg + len, sizeof(msg) - len, - "similarity index %d%%\n" - "rename from %s\n" - "rename to %s\n", - (int)(0.5 + p->score * 100.0/MAX_SCORE), - name_munged, other_munged); - break; - case DIFF_STATUS_MODIFIED: - if (p->score) { - len += snprintf(msg + len, sizeof(msg) - len, - "dissimilarity index %d%%\n", - (int)(0.5 + p->score * - 100.0/MAX_SCORE)); - complete_rewrite = 1; - break; - } - /* fallthru */ - default: - /* nothing */ - ; - } - - if (memcmp(one->sha1, two->sha1, 20)) { - char one_sha1[41]; - int abbrev = o->full_index ? 40 : DEFAULT_ABBREV; - memcpy(one_sha1, sha1_to_hex(one->sha1), 41); - - len += snprintf(msg + len, sizeof(msg) - len, - "index %.*s..%.*s", - abbrev, one_sha1, abbrev, - sha1_to_hex(two->sha1)); - if (one->mode == two->mode) - len += snprintf(msg + len, sizeof(msg) - len, - " %06o", one->mode); - len += snprintf(msg + len, sizeof(msg) - len, "\n"); - } - - if (len) - msg[--len] = 0; - xfrm_msg = len ? msg : NULL; - - if (!pgm && - DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two) && - (S_IFMT & one->mode) != (S_IFMT & two->mode)) { - /* a filepair that changes between file and symlink - * needs to be split into deletion and creation. - */ - struct diff_filespec *null = alloc_filespec(two->path); - run_diff_cmd(NULL, name, other, one, null, xfrm_msg, 0); - free(null); - null = alloc_filespec(one->path); - run_diff_cmd(NULL, name, other, null, two, xfrm_msg, 0); - free(null); - } - else - run_diff_cmd(pgm, name, other, one, two, xfrm_msg, - complete_rewrite); - - free(name_munged); - free(other_munged); -} - -static void run_diffstat(struct diff_filepair *p, struct diff_options *o, - struct diffstat_t *diffstat) -{ - const char *name; - const char *other; - - if (DIFF_PAIR_UNMERGED(p)) { - /* unmerged */ - builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat); + if (get_stat_data(new, &sha1, &mode, cached, match_missing) < 0) return; - } - - name = p->one->path; - other = (strcmp(name, p->two->path) ? p->two->path : NULL); - diff_fill_sha1_info(p->one); - diff_fill_sha1_info(p->two); - - builtin_diffstat(name, other, p->one, p->two, diffstat); + diff_index_show_file(revs, "+", new, sha1, mode); } -void diff_setup(struct diff_options *options) +static int show_modified(struct rev_info *revs, + struct cache_entry *old, + struct cache_entry *new, + int report_missing, + int cached, int match_missing) { - memset(options, 0, sizeof(*options)); - options->output_format = DIFF_FORMAT_RAW; - options->line_termination = '\n'; - options->break_opt = -1; - options->rename_limit = -1; - - options->change = diff_change; - options->add_remove = diff_addremove; -} + unsigned int mode, oldmode; + unsigned char *sha1; -int diff_setup_done(struct diff_options *options) -{ - if ((options->find_copies_harder && - options->detect_rename != DIFF_DETECT_COPY) || - (0 <= options->rename_limit && !options->detect_rename)) + if (get_stat_data(new, &sha1, &mode, cached, match_missing) < 0) { + if (report_missing) + diff_index_show_file(revs, "-", old, + old->sha1, old->ce_mode); return -1; - - /* - * These cases always need recursive; we do not drop caller-supplied - * recursive bits for other formats here. - */ - if ((options->output_format == DIFF_FORMAT_PATCH) || - (options->output_format == DIFF_FORMAT_DIFFSTAT)) - options->recursive = 1; - - if (options->detect_rename && options->rename_limit < 0) - options->rename_limit = diff_rename_limit_default; - if (options->setup & DIFF_SETUP_USE_CACHE) { - if (!active_cache) - /* read-cache does not die even when it fails - * so it is safe for us to do this here. Also - * it does not smudge active_cache or active_nr - * when it fails, so we do not have to worry about - * cleaning it up ourselves either. - */ - read_cache(); } - if (options->setup & DIFF_SETUP_USE_SIZE_CACHE) - use_size_cache = 1; - if (options->abbrev <= 0 || 40 < options->abbrev) - options->abbrev = 40; /* full */ - return 0; -} - -int diff_opt_parse(struct diff_options *options, const char **av, int ac) -{ - const char *arg = av[0]; - if (!strcmp(arg, "-p") || !strcmp(arg, "-u")) - options->output_format = DIFF_FORMAT_PATCH; - else if (!strcmp(arg, "--patch-with-raw")) { - options->output_format = DIFF_FORMAT_PATCH; - options->with_raw = 1; - } - else if (!strcmp(arg, "--stat")) - options->output_format = DIFF_FORMAT_DIFFSTAT; - else if (!strcmp(arg, "--patch-with-stat")) { - options->output_format = DIFF_FORMAT_PATCH; - options->with_stat = 1; - } - else if (!strcmp(arg, "-z")) - options->line_termination = 0; - else if (!strncmp(arg, "-l", 2)) - options->rename_limit = strtoul(arg+2, NULL, 10); - else if (!strcmp(arg, "--full-index")) - options->full_index = 1; - else if (!strcmp(arg, "--name-only")) - options->output_format = DIFF_FORMAT_NAME; - else if (!strcmp(arg, "--name-status")) - options->output_format = DIFF_FORMAT_NAME_STATUS; - else if (!strcmp(arg, "-R")) - options->reverse_diff = 1; - else if (!strncmp(arg, "-S", 2)) - options->pickaxe = arg + 2; - else if (!strcmp(arg, "-s")) - options->output_format = DIFF_FORMAT_NO_OUTPUT; - else if (!strncmp(arg, "-O", 2)) - options->orderfile = arg + 2; - else if (!strncmp(arg, "--diff-filter=", 14)) - options->filter = arg + 14; - else if (!strcmp(arg, "--pickaxe-all")) - options->pickaxe_opts = DIFF_PICKAXE_ALL; - else if (!strcmp(arg, "--pickaxe-regex")) - options->pickaxe_opts = DIFF_PICKAXE_REGEX; - else if (!strncmp(arg, "-B", 2)) { - if ((options->break_opt = - diff_scoreopt_parse(arg)) == -1) - return -1; - } - else if (!strncmp(arg, "-M", 2)) { - if ((options->rename_score = - diff_scoreopt_parse(arg)) == -1) - return -1; - options->detect_rename = DIFF_DETECT_RENAME; - } - else if (!strncmp(arg, "-C", 2)) { - if ((options->rename_score = - diff_scoreopt_parse(arg)) == -1) - return -1; - options->detect_rename = DIFF_DETECT_COPY; - } - else if (!strcmp(arg, "--find-copies-harder")) - options->find_copies_harder = 1; - else if (!strcmp(arg, "--abbrev")) - options->abbrev = DEFAULT_ABBREV; - else if (!strncmp(arg, "--abbrev=", 9)) { - options->abbrev = strtoul(arg + 9, NULL, 10); - if (options->abbrev < MINIMUM_ABBREV) - options->abbrev = MINIMUM_ABBREV; - else if (40 < options->abbrev) - options->abbrev = 40; - } - else + oldmode = old->ce_mode; + if (mode == oldmode && !memcmp(sha1, old->sha1, 20) && + !revs->diffopt.find_copies_harder) return 0; - return 1; -} - -static int parse_num(const char **cp_p) -{ - unsigned long num, scale; - int ch, dot; - const char *cp = *cp_p; - - num = 0; - scale = 1; - dot = 0; - for(;;) { - ch = *cp; - if ( !dot && ch == '.' ) { - scale = 1; - dot = 1; - } else if ( ch == '%' ) { - scale = dot ? scale*100 : 100; - cp++; /* % is always at the end */ - break; - } else if ( ch >= '0' && ch <= '9' ) { - if ( scale < 100000 ) { - scale *= 10; - num = (num*10) + (ch-'0'); - } - } else { - break; - } - cp++; - } - *cp_p = cp; - - /* user says num divided by scale and we say internally that - * is MAX_SCORE * num / scale. - */ - return (num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale); -} - -int diff_scoreopt_parse(const char *opt) -{ - int opt1, opt2, cmd; - - if (*opt++ != '-') - return -1; - cmd = *opt++; - if (cmd != 'M' && cmd != 'C' && cmd != 'B') - return -1; /* that is not a -M, -C nor -B option */ - - opt1 = parse_num(&opt); - if (cmd != 'B') - opt2 = 0; - else { - if (*opt == 0) - opt2 = 0; - else if (*opt != '/') - return -1; /* we expect -B80/99 or -B80 */ - else { - opt++; - opt2 = parse_num(&opt); - } - } - if (*opt != 0) - return -1; - return opt1 | (opt2 << 16); -} - -struct diff_queue_struct diff_queued_diff; - -void diff_q(struct diff_queue_struct *queue, struct diff_filepair *dp) -{ - if (queue->alloc <= queue->nr) { - queue->alloc = alloc_nr(queue->alloc); - queue->queue = xrealloc(queue->queue, - sizeof(dp) * queue->alloc); - } - queue->queue[queue->nr++] = dp; -} - -struct diff_filepair *diff_queue(struct diff_queue_struct *queue, - struct diff_filespec *one, - struct diff_filespec *two) -{ - struct diff_filepair *dp = xmalloc(sizeof(*dp)); - dp->one = one; - dp->two = two; - dp->score = 0; - dp->status = 0; - dp->source_stays = 0; - dp->broken_pair = 0; - if (queue) - diff_q(queue, dp); - return dp; -} - -void diff_free_filepair(struct diff_filepair *p) -{ - diff_free_filespec_data(p->one); - diff_free_filespec_data(p->two); - free(p->one); - free(p->two); - free(p); -} - -/* This is different from find_unique_abbrev() in that - * it stuffs the result with dots for alignment. - */ -const char *diff_unique_abbrev(const unsigned char *sha1, int len) -{ - int abblen; - const char *abbrev; - if (len == 40) - return sha1_to_hex(sha1); - - abbrev = find_unique_abbrev(sha1, len); - if (!abbrev) - return sha1_to_hex(sha1); - abblen = strlen(abbrev); - if (abblen < 37) { - static char hex[41]; - if (len < abblen && abblen <= len + 2) - sprintf(hex, "%s%.*s", abbrev, len+3-abblen, ".."); - else - sprintf(hex, "%s...", abbrev); - return hex; - } - return sha1_to_hex(sha1); -} - -static void diff_flush_raw(struct diff_filepair *p, - int line_termination, - int inter_name_termination, - struct diff_options *options, - int output_format) -{ - int two_paths; - char status[10]; - int abbrev = options->abbrev; - const char *path_one, *path_two; - - path_one = p->one->path; - path_two = p->two->path; - if (line_termination) { - path_one = quote_one(path_one); - path_two = quote_one(path_two); - } - - if (p->score) - sprintf(status, "%c%03d", p->status, - (int)(0.5 + p->score * 100.0/MAX_SCORE)); - else { - status[0] = p->status; - status[1] = 0; - } - switch (p->status) { - case DIFF_STATUS_COPIED: - case DIFF_STATUS_RENAMED: - two_paths = 1; - break; - case DIFF_STATUS_ADDED: - case DIFF_STATUS_DELETED: - two_paths = 0; - break; - default: - two_paths = 0; - break; - } - if (output_format != DIFF_FORMAT_NAME_STATUS) { - printf(":%06o %06o %s ", - p->one->mode, p->two->mode, - diff_unique_abbrev(p->one->sha1, abbrev)); - printf("%s ", - diff_unique_abbrev(p->two->sha1, abbrev)); - } - printf("%s%c%s", status, inter_name_termination, path_one); - if (two_paths) - printf("%c%s", inter_name_termination, path_two); - putchar(line_termination); - if (path_one != p->one->path) - free((void*)path_one); - if (path_two != p->two->path) - free((void*)path_two); -} - -static void diff_flush_name(struct diff_filepair *p, - int inter_name_termination, - int line_termination) -{ - char *path = p->two->path; - if (line_termination) - path = quote_one(p->two->path); - else - path = p->two->path; - printf("%s%c", path, line_termination); - if (p->two->path != path) - free(path); -} - -int diff_unmodified_pair(struct diff_filepair *p) -{ - /* This function is written stricter than necessary to support - * the currently implemented transformers, but the idea is to - * let transformers to produce diff_filepairs any way they want, - * and filter and clean them up here before producing the output. - */ - struct diff_filespec *one, *two; + mode = ntohl(mode); + oldmode = ntohl(oldmode); - if (DIFF_PAIR_UNMERGED(p)) - return 0; /* unmerged is interesting */ - - one = p->one; - two = p->two; - - /* deletion, addition, mode or type change - * and rename are all interesting. - */ - if (DIFF_FILE_VALID(one) != DIFF_FILE_VALID(two) || - DIFF_PAIR_MODE_CHANGED(p) || - strcmp(one->path, two->path)) - return 0; - - /* both are valid and point at the same path. that is, we are - * dealing with a change. - */ - if (one->sha1_valid && two->sha1_valid && - !memcmp(one->sha1, two->sha1, sizeof(one->sha1))) - return 1; /* no change */ - if (!one->sha1_valid && !two->sha1_valid) - return 1; /* both look at the same file on the filesystem. */ + diff_change(&revs->diffopt, oldmode, mode, + old->sha1, sha1, old->name, NULL); return 0; } -static void diff_flush_patch(struct diff_filepair *p, struct diff_options *o) -{ - if (diff_unmodified_pair(p)) - return; - - if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) || - (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode))) - return; /* no tree diffs in patch format */ - - run_diff(p, o); -} - -static void diff_flush_stat(struct diff_filepair *p, struct diff_options *o, - struct diffstat_t *diffstat) -{ - if (diff_unmodified_pair(p)) - return; - - if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) || - (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode))) - return; /* no tree diffs in patch format */ - - run_diffstat(p, o, diffstat); -} - -int diff_queue_is_empty(void) -{ - struct diff_queue_struct *q = &diff_queued_diff; - int i; - for (i = 0; i < q->nr; i++) - if (!diff_unmodified_pair(q->queue[i])) - return 0; - return 1; -} - -#if DIFF_DEBUG -void diff_debug_filespec(struct diff_filespec *s, int x, const char *one) -{ - fprintf(stderr, "queue[%d] %s (%s) %s %06o %s\n", - x, one ? one : "", - s->path, - DIFF_FILE_VALID(s) ? "valid" : "invalid", - s->mode, - s->sha1_valid ? sha1_to_hex(s->sha1) : ""); - fprintf(stderr, "queue[%d] %s size %lu flags %d\n", - x, one ? one : "", - s->size, s->xfrm_flags); -} - -void diff_debug_filepair(const struct diff_filepair *p, int i) -{ - diff_debug_filespec(p->one, i, "one"); - diff_debug_filespec(p->two, i, "two"); - fprintf(stderr, "score %d, status %c stays %d broken %d\n", - p->score, p->status ? p->status : '?', - p->source_stays, p->broken_pair); -} - -void diff_debug_queue(const char *msg, struct diff_queue_struct *q) -{ - int i; - if (msg) - fprintf(stderr, "%s\n", msg); - fprintf(stderr, "q->nr = %d\n", q->nr); - for (i = 0; i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - diff_debug_filepair(p, i); - } -} -#endif - -static void diff_resolve_rename_copy(void) +static int diff_cache(struct rev_info *revs, + struct cache_entry **ac, int entries, + const char **pathspec, + int cached, int match_missing) { - int i, j; - struct diff_filepair *p, *pp; - struct diff_queue_struct *q = &diff_queued_diff; - - diff_debug_queue("resolve-rename-copy", q); + while (entries) { + struct cache_entry *ce = *ac; + int same = (entries > 1) && ce_same_name(ce, ac[1]); - for (i = 0; i < q->nr; i++) { - p = q->queue[i]; - p->status = 0; /* undecided */ - if (DIFF_PAIR_UNMERGED(p)) - p->status = DIFF_STATUS_UNMERGED; - else if (!DIFF_FILE_VALID(p->one)) - p->status = DIFF_STATUS_ADDED; - else if (!DIFF_FILE_VALID(p->two)) - p->status = DIFF_STATUS_DELETED; - else if (DIFF_PAIR_TYPE_CHANGED(p)) - p->status = DIFF_STATUS_TYPE_CHANGED; + if (!ce_path_match(ce, pathspec)) + goto skip_entry; - /* from this point on, we are dealing with a pair - * whose both sides are valid and of the same type, i.e. - * either in-place edit or rename/copy edit. - */ - else if (DIFF_PAIR_RENAME(p)) { - if (p->source_stays) { - p->status = DIFF_STATUS_COPIED; - continue; + switch (ce_stage(ce)) { + case 0: + /* No stage 1 entry? That means it's a new file */ + if (!same) { + show_new_file(revs, ce, cached, match_missing); + break; } - /* See if there is some other filepair that - * copies from the same source as us. If so - * we are a copy. Otherwise we are either a - * copy if the path stays, or a rename if it - * does not, but we already handled "stays" case. + /* Show difference between old and new */ + show_modified(revs,ac[1], ce, 1, + cached, match_missing); + break; + case 1: + /* No stage 3 (merge) entry? + * That means it's been deleted. */ - for (j = i + 1; j < q->nr; j++) { - pp = q->queue[j]; - if (strcmp(pp->one->path, p->one->path)) - continue; /* not us */ - if (!DIFF_PAIR_RENAME(pp)) - continue; /* not a rename/copy */ - /* pp is a rename/copy from the same source */ - p->status = DIFF_STATUS_COPIED; + if (!same) { + diff_index_show_file(revs, "-", ce, + ce->sha1, ce->ce_mode); break; } - if (!p->status) - p->status = DIFF_STATUS_RENAMED; - } - else if (memcmp(p->one->sha1, p->two->sha1, 20) || - p->one->mode != p->two->mode) - p->status = DIFF_STATUS_MODIFIED; - else { - /* This is a "no-change" entry and should not - * happen anymore, but prepare for broken callers. + /* We come here with ce pointing at stage 1 + * (original tree) and ac[1] pointing at stage + * 3 (unmerged). show-modified with + * report-missing set to false does not say the + * file is deleted but reports true if work + * tree does not have it, in which case we + * fall through to report the unmerged state. + * Otherwise, we show the differences between + * the original tree and the work tree. */ - error("feeding unmodified %s to diffcore", - p->one->path); - p->status = DIFF_STATUS_UNKNOWN; - } - } - diff_debug_queue("resolve-rename-copy done", q); -} - -static void flush_one_pair(struct diff_filepair *p, - int diff_output_format, - struct diff_options *options, - struct diffstat_t *diffstat) -{ - int inter_name_termination = '\t'; - int line_termination = options->line_termination; - if (!line_termination) - inter_name_termination = 0; - - switch (p->status) { - case DIFF_STATUS_UNKNOWN: - break; - case 0: - die("internal error in diff-resolve-rename-copy"); - break; - default: - switch (diff_output_format) { - case DIFF_FORMAT_DIFFSTAT: - diff_flush_stat(p, options, diffstat); - break; - case DIFF_FORMAT_PATCH: - diff_flush_patch(p, options); - break; - case DIFF_FORMAT_RAW: - case DIFF_FORMAT_NAME_STATUS: - diff_flush_raw(p, line_termination, - inter_name_termination, - options, diff_output_format); - break; - case DIFF_FORMAT_NAME: - diff_flush_name(p, - inter_name_termination, - line_termination); - break; - case DIFF_FORMAT_NO_OUTPUT: + if (!cached && + !show_modified(revs, ce, ac[1], 0, + cached, match_missing)) + break; + /* fallthru */ + case 3: + diff_unmerge(&revs->diffopt, ce->name); break; - } - } -} - -void diff_flush(struct diff_options *options) -{ - struct diff_queue_struct *q = &diff_queued_diff; - int i; - int diff_output_format = options->output_format; - struct diffstat_t *diffstat = NULL; - - if (diff_output_format == DIFF_FORMAT_DIFFSTAT || options->with_stat) { - diffstat = xcalloc(sizeof (struct diffstat_t), 1); - diffstat->xm.consume = diffstat_consume; - } - if (options->with_raw) { - for (i = 0; i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - flush_one_pair(p, DIFF_FORMAT_RAW, options, NULL); + default: + die("impossible cache entry stage"); } - putchar(options->line_termination); - } - if (options->with_stat) { - for (i = 0; i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - flush_one_pair(p, DIFF_FORMAT_DIFFSTAT, options, - diffstat); - } - show_stats(diffstat); - free(diffstat); - diffstat = NULL; - putchar(options->line_termination); - } - for (i = 0; i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - flush_one_pair(p, diff_output_format, options, diffstat); - diff_free_filepair(p); - } - if (diffstat) { - show_stats(diffstat); - free(diffstat); +skip_entry: + /* + * Ignore all the different stages for this file, + * we've handled the relevant cases now. + */ + do { + ac++; + entries--; + } while (entries && ce_same_name(ce, ac[0])); } - - free(q->queue); - q->queue = NULL; - q->nr = q->alloc = 0; + return 0; } -static void diffcore_apply_filter(const char *filter) +/* + * This turns all merge entries into "stage 3". That guarantees that + * when we read in the new tree (into "stage 1"), we won't lose sight + * of the fact that we had unmerged entries. + */ +static void mark_merge_entries(void) { int i; - struct diff_queue_struct *q = &diff_queued_diff; - struct diff_queue_struct outq; - outq.queue = NULL; - outq.nr = outq.alloc = 0; - - if (!filter) - return; - - if (strchr(filter, DIFF_STATUS_FILTER_AON)) { - int found; - for (i = found = 0; !found && i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - if (((p->status == DIFF_STATUS_MODIFIED) && - ((p->score && - strchr(filter, DIFF_STATUS_FILTER_BROKEN)) || - (!p->score && - strchr(filter, DIFF_STATUS_MODIFIED)))) || - ((p->status != DIFF_STATUS_MODIFIED) && - strchr(filter, p->status))) - found++; - } - if (found) - return; - - /* otherwise we will clear the whole queue - * by copying the empty outq at the end of this - * function, but first clear the current entries - * in the queue. - */ - for (i = 0; i < q->nr; i++) - diff_free_filepair(q->queue[i]); - } - else { - /* Only the matching ones */ - for (i = 0; i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - - if (((p->status == DIFF_STATUS_MODIFIED) && - ((p->score && - strchr(filter, DIFF_STATUS_FILTER_BROKEN)) || - (!p->score && - strchr(filter, DIFF_STATUS_MODIFIED)))) || - ((p->status != DIFF_STATUS_MODIFIED) && - strchr(filter, p->status))) - diff_q(&outq, p); - else - diff_free_filepair(p); - } + for (i = 0; i < active_nr; i++) { + struct cache_entry *ce = active_cache[i]; + if (!ce_stage(ce)) + continue; + ce->ce_flags |= htons(CE_STAGEMASK); } - free(q->queue); - *q = outq; } -void diffcore_std(struct diff_options *options) +int run_diff_index(struct rev_info *revs, int cached) { - if (options->break_opt != -1) - diffcore_break(options->break_opt); - if (options->detect_rename) - diffcore_rename(options); - if (options->break_opt != -1) - diffcore_merge_broken(); - if (options->pickaxe) - diffcore_pickaxe(options->pickaxe, options->pickaxe_opts); - if (options->orderfile) - diffcore_order(options->orderfile); - diff_resolve_rename_copy(); - diffcore_apply_filter(options->filter); -} - - -void diffcore_std_no_resolve(struct diff_options *options) -{ - if (options->pickaxe) - diffcore_pickaxe(options->pickaxe, options->pickaxe_opts); - if (options->orderfile) - diffcore_order(options->orderfile); - diffcore_apply_filter(options->filter); -} + int ret; + struct object *ent; + struct tree *tree; + const char *tree_name; + int match_missing = 0; -void diff_addremove(struct diff_options *options, - int addremove, unsigned mode, - const unsigned char *sha1, - const char *base, const char *path) -{ - char concatpath[PATH_MAX]; - struct diff_filespec *one, *two; - - /* This may look odd, but it is a preparation for - * feeding "there are unchanged files which should - * not produce diffs, but when you are doing copy - * detection you would need them, so here they are" - * entries to the diff-core. They will be prefixed - * with something like '=' or '*' (I haven't decided - * which but should not make any difference). - * Feeding the same new and old to diff_change() - * also has the same effect. - * Before the final output happens, they are pruned after - * merged into rename/copy pairs as appropriate. + /* + * Backward compatibility wart - "diff-index -m" does + * not mean "do not ignore merges", but totally different. */ - if (options->reverse_diff) - addremove = (addremove == '+' ? '-' : - addremove == '-' ? '+' : addremove); - - if (!path) path = ""; - sprintf(concatpath, "%s%s", base, path); - one = alloc_filespec(concatpath); - two = alloc_filespec(concatpath); - - if (addremove != '+') - fill_filespec(one, sha1, mode); - if (addremove != '-') - fill_filespec(two, sha1, mode); - - diff_queue(&diff_queued_diff, one, two); -} - -void diff_change(struct diff_options *options, - unsigned old_mode, unsigned new_mode, - const unsigned char *old_sha1, - const unsigned char *new_sha1, - const char *base, const char *path) -{ - char concatpath[PATH_MAX]; - struct diff_filespec *one, *two; + if (!revs->ignore_merges) + match_missing = 1; - if (options->reverse_diff) { - unsigned tmp; - const unsigned char *tmp_c; - tmp = old_mode; old_mode = new_mode; new_mode = tmp; - tmp_c = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_c; + if (read_cache() < 0) { + perror("read_cache"); + return -1; } - if (!path) path = ""; - sprintf(concatpath, "%s%s", base, path); - one = alloc_filespec(concatpath); - two = alloc_filespec(concatpath); - fill_filespec(one, old_sha1, old_mode); - fill_filespec(two, new_sha1, new_mode); - - diff_queue(&diff_queued_diff, one, two); -} - -void diff_unmerge(struct diff_options *options, - const char *path) -{ - struct diff_filespec *one, *two; - one = alloc_filespec(path); - two = alloc_filespec(path); - diff_queue(&diff_queued_diff, one, two); + mark_merge_entries(); + + ent = revs->pending_objects->item; + tree_name = revs->pending_objects->name; + tree = parse_tree_indirect(ent->sha1); + if (!tree) + return error("bad tree object %s", tree_name); + if (read_tree(tree, 1, revs->prune_data)) + return error("unable to read tree object %s", tree_name); + ret = diff_cache(revs, active_cache, active_nr, revs->prune_data, + cached, match_missing); + diffcore_std(&revs->diffopt); + diff_flush(&revs->diffopt); + return ret; } diff --git a/diff.c b/diff.c new file mode 100644 index 0000000000..c845c87113 --- /dev/null +++ b/diff.c @@ -0,0 +1,1803 @@ +/* + * Copyright (C) 2005 Junio C Hamano + */ +#include <sys/types.h> +#include <sys/wait.h> +#include <signal.h> +#include "cache.h" +#include "quote.h" +#include "diff.h" +#include "diffcore.h" +#include "xdiff-interface.h" + +static int use_size_cache; + +int diff_rename_limit_default = -1; + +int git_diff_config(const char *var, const char *value) +{ + if (!strcmp(var, "diff.renamelimit")) { + diff_rename_limit_default = git_config_int(var, value); + return 0; + } + + return git_default_config(var, value); +} + +static char *quote_one(const char *str) +{ + int needlen; + char *xp; + + if (!str) + return NULL; + needlen = quote_c_style(str, NULL, NULL, 0); + if (!needlen) + return strdup(str); + xp = xmalloc(needlen + 1); + quote_c_style(str, xp, NULL, 0); + return xp; +} + +static char *quote_two(const char *one, const char *two) +{ + int need_one = quote_c_style(one, NULL, NULL, 1); + int need_two = quote_c_style(two, NULL, NULL, 1); + char *xp; + + if (need_one + need_two) { + if (!need_one) need_one = strlen(one); + if (!need_two) need_one = strlen(two); + + xp = xmalloc(need_one + need_two + 3); + xp[0] = '"'; + quote_c_style(one, xp + 1, NULL, 1); + quote_c_style(two, xp + need_one + 1, NULL, 1); + strcpy(xp + need_one + need_two + 1, "\""); + return xp; + } + need_one = strlen(one); + need_two = strlen(two); + xp = xmalloc(need_one + need_two + 1); + strcpy(xp, one); + strcpy(xp + need_one, two); + return xp; +} + +static const char *external_diff(void) +{ + static const char *external_diff_cmd = NULL; + static int done_preparing = 0; + + if (done_preparing) + return external_diff_cmd; + external_diff_cmd = getenv("GIT_EXTERNAL_DIFF"); + done_preparing = 1; + return external_diff_cmd; +} + +#define TEMPFILE_PATH_LEN 50 + +static struct diff_tempfile { + const char *name; /* filename external diff should read from */ + char hex[41]; + char mode[10]; + char tmp_path[TEMPFILE_PATH_LEN]; +} diff_temp[2]; + +static int count_lines(const char *data, int size) +{ + int count, ch, completely_empty = 1, nl_just_seen = 0; + count = 0; + while (0 < size--) { + ch = *data++; + if (ch == '\n') { + count++; + nl_just_seen = 1; + completely_empty = 0; + } + else { + nl_just_seen = 0; + completely_empty = 0; + } + } + if (completely_empty) + return 0; + if (!nl_just_seen) + count++; /* no trailing newline */ + return count; +} + +static void print_line_count(int count) +{ + switch (count) { + case 0: + printf("0,0"); + break; + case 1: + printf("1"); + break; + default: + printf("1,%d", count); + break; + } +} + +static void copy_file(int prefix, const char *data, int size) +{ + int ch, nl_just_seen = 1; + while (0 < size--) { + ch = *data++; + if (nl_just_seen) + putchar(prefix); + putchar(ch); + if (ch == '\n') + nl_just_seen = 1; + else + nl_just_seen = 0; + } + if (!nl_just_seen) + printf("\n\\ No newline at end of file\n"); +} + +static void emit_rewrite_diff(const char *name_a, + const char *name_b, + struct diff_filespec *one, + struct diff_filespec *two) +{ + int lc_a, lc_b; + diff_populate_filespec(one, 0); + diff_populate_filespec(two, 0); + lc_a = count_lines(one->data, one->size); + lc_b = count_lines(two->data, two->size); + printf("--- %s\n+++ %s\n@@ -", name_a, name_b); + print_line_count(lc_a); + printf(" +"); + print_line_count(lc_b); + printf(" @@\n"); + if (lc_a) + copy_file('-', one->data, one->size); + if (lc_b) + copy_file('+', two->data, two->size); +} + +static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one) +{ + if (!DIFF_FILE_VALID(one)) { + mf->ptr = ""; /* does not matter */ + mf->size = 0; + return 0; + } + else if (diff_populate_filespec(one, 0)) + return -1; + mf->ptr = one->data; + mf->size = one->size; + return 0; +} + +struct emit_callback { + const char **label_path; +}; + +static int fn_out(void *priv, mmbuffer_t *mb, int nbuf) +{ + int i; + struct emit_callback *ecbdata = priv; + + if (ecbdata->label_path[0]) { + printf("--- %s\n", ecbdata->label_path[0]); + printf("+++ %s\n", ecbdata->label_path[1]); + ecbdata->label_path[0] = ecbdata->label_path[1] = NULL; + } + for (i = 0; i < nbuf; i++) + if (!fwrite(mb[i].ptr, mb[i].size, 1, stdout)) + return -1; + return 0; +} + +static char *pprint_rename(const char *a, const char *b) +{ + const char *old = a; + const char *new = b; + char *name = NULL; + int pfx_length, sfx_length; + int len_a = strlen(a); + int len_b = strlen(b); + + /* Find common prefix */ + pfx_length = 0; + while (*old && *new && *old == *new) { + if (*old == '/') + pfx_length = old - a + 1; + old++; + new++; + } + + /* Find common suffix */ + old = a + len_a; + new = b + len_b; + sfx_length = 0; + while (a <= old && b <= new && *old == *new) { + if (*old == '/') + sfx_length = len_a - (old - a); + old--; + new--; + } + + /* + * pfx{mid-a => mid-b}sfx + * {pfx-a => pfx-b}sfx + * pfx{sfx-a => sfx-b} + * name-a => name-b + */ + if (pfx_length + sfx_length) { + name = xmalloc(len_a + len_b - pfx_length - sfx_length + 7); + sprintf(name, "%.*s{%.*s => %.*s}%s", + pfx_length, a, + len_a - pfx_length - sfx_length, a + pfx_length, + len_b - pfx_length - sfx_length, b + pfx_length, + a + len_a - sfx_length); + } + else { + name = xmalloc(len_a + len_b + 5); + sprintf(name, "%s => %s", a, b); + } + return name; +} + +struct diffstat_t { + struct xdiff_emit_state xm; + + int nr; + int alloc; + struct diffstat_file { + char *name; + unsigned is_unmerged:1; + unsigned is_binary:1; + unsigned is_renamed:1; + unsigned int added, deleted; + } **files; +}; + +static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat, + const char *name_a, + const char *name_b) +{ + struct diffstat_file *x; + x = xcalloc(sizeof (*x), 1); + if (diffstat->nr == diffstat->alloc) { + diffstat->alloc = alloc_nr(diffstat->alloc); + diffstat->files = xrealloc(diffstat->files, + diffstat->alloc * sizeof(x)); + } + diffstat->files[diffstat->nr++] = x; + if (name_b) { + x->name = pprint_rename(name_a, name_b); + x->is_renamed = 1; + } + else + x->name = strdup(name_a); + return x; +} + +static void diffstat_consume(void *priv, char *line, unsigned long len) +{ + struct diffstat_t *diffstat = priv; + struct diffstat_file *x = diffstat->files[diffstat->nr - 1]; + + if (line[0] == '+') + x->added++; + else if (line[0] == '-') + x->deleted++; +} + +static const char pluses[] = "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"; +static const char minuses[]= "----------------------------------------------------------------------"; + +static void show_stats(struct diffstat_t* data) +{ + char *prefix = ""; + int i, len, add, del, total, adds = 0, dels = 0; + int max, max_change = 0, max_len = 0; + int total_files = data->nr; + + if (data->nr == 0) + return; + + for (i = 0; i < data->nr; i++) { + struct diffstat_file *file = data->files[i]; + + len = strlen(file->name); + if (max_len < len) + max_len = len; + + if (file->is_binary || file->is_unmerged) + continue; + if (max_change < file->added + file->deleted) + max_change = file->added + file->deleted; + } + + for (i = 0; i < data->nr; i++) { + char *name = data->files[i]->name; + int added = data->files[i]->added; + int deleted = data->files[i]->deleted; + + if (0 < (len = quote_c_style(name, NULL, NULL, 0))) { + char *qname = xmalloc(len + 1); + quote_c_style(name, qname, NULL, 0); + free(name); + data->files[i]->name = name = qname; + } + + /* + * "scale" the filename + */ + len = strlen(name); + max = max_len; + if (max > 50) + max = 50; + if (len > max) { + char *slash; + prefix = "..."; + max -= 3; + name += len - max; + slash = strchr(name, '/'); + if (slash) + name = slash; + } + len = max; + + /* + * scale the add/delete + */ + max = max_change; + if (max + len > 70) + max = 70 - len; + + if (data->files[i]->is_binary) { + printf(" %s%-*s | Bin\n", prefix, len, name); + goto free_diffstat_file; + } + else if (data->files[i]->is_unmerged) { + printf(" %s%-*s | Unmerged\n", prefix, len, name); + goto free_diffstat_file; + } + else if (!data->files[i]->is_renamed && + (added + deleted == 0)) { + total_files--; + goto free_diffstat_file; + } + + add = added; + del = deleted; + total = add + del; + adds += add; + dels += del; + + if (max_change > 0) { + total = (total * max + max_change / 2) / max_change; + add = (add * max + max_change / 2) / max_change; + del = total - add; + } + printf(" %s%-*s |%5d %.*s%.*s\n", prefix, + len, name, added + deleted, + add, pluses, del, minuses); + free_diffstat_file: + free(data->files[i]->name); + free(data->files[i]); + } + free(data->files); + printf(" %d files changed, %d insertions(+), %d deletions(-)\n", + total_files, adds, dels); +} + +#define FIRST_FEW_BYTES 8000 +static int mmfile_is_binary(mmfile_t *mf) +{ + long sz = mf->size; + if (FIRST_FEW_BYTES < sz) + sz = FIRST_FEW_BYTES; + if (memchr(mf->ptr, 0, sz)) + return 1; + return 0; +} + +static void builtin_diff(const char *name_a, + const char *name_b, + struct diff_filespec *one, + struct diff_filespec *two, + const char *xfrm_msg, + int complete_rewrite) +{ + mmfile_t mf1, mf2; + const char *lbl[2]; + char *a_one, *b_two; + + a_one = quote_two("a/", name_a); + b_two = quote_two("b/", name_b); + lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; + lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null"; + printf("diff --git %s %s\n", a_one, b_two); + if (lbl[0][0] == '/') { + /* /dev/null */ + printf("new file mode %06o\n", two->mode); + if (xfrm_msg && xfrm_msg[0]) + puts(xfrm_msg); + } + else if (lbl[1][0] == '/') { + printf("deleted file mode %06o\n", one->mode); + if (xfrm_msg && xfrm_msg[0]) + puts(xfrm_msg); + } + else { + if (one->mode != two->mode) { + printf("old mode %06o\n", one->mode); + printf("new mode %06o\n", two->mode); + } + if (xfrm_msg && xfrm_msg[0]) + puts(xfrm_msg); + /* + * we do not run diff between different kind + * of objects. + */ + if ((one->mode ^ two->mode) & S_IFMT) + goto free_ab_and_return; + if (complete_rewrite) { + emit_rewrite_diff(name_a, name_b, one, two); + goto free_ab_and_return; + } + } + + if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) + die("unable to read files to diff"); + + if (mmfile_is_binary(&mf1) || mmfile_is_binary(&mf2)) + printf("Binary files %s and %s differ\n", lbl[0], lbl[1]); + else { + /* Crazy xdl interfaces.. */ + const char *diffopts = getenv("GIT_DIFF_OPTS"); + xpparam_t xpp; + xdemitconf_t xecfg; + xdemitcb_t ecb; + struct emit_callback ecbdata; + + ecbdata.label_path = lbl; + xpp.flags = XDF_NEED_MINIMAL; + xecfg.ctxlen = 3; + xecfg.flags = XDL_EMIT_FUNCNAMES; + if (!diffopts) + ; + else if (!strncmp(diffopts, "--unified=", 10)) + xecfg.ctxlen = strtoul(diffopts + 10, NULL, 10); + else if (!strncmp(diffopts, "-u", 2)) + xecfg.ctxlen = strtoul(diffopts + 2, NULL, 10); + ecb.outf = fn_out; + ecb.priv = &ecbdata; + xdl_diff(&mf1, &mf2, &xpp, &xecfg, &ecb); + } + + free_ab_and_return: + free(a_one); + free(b_two); + return; +} + +static void builtin_diffstat(const char *name_a, const char *name_b, + struct diff_filespec *one, + struct diff_filespec *two, + struct diffstat_t *diffstat, + int complete_rewrite) +{ + mmfile_t mf1, mf2; + struct diffstat_file *data; + + data = diffstat_add(diffstat, name_a, name_b); + + if (!one || !two) { + data->is_unmerged = 1; + return; + } + if (complete_rewrite) { + diff_populate_filespec(one, 0); + diff_populate_filespec(two, 0); + data->deleted = count_lines(one->data, one->size); + data->added = count_lines(two->data, two->size); + return; + } + if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) + die("unable to read files to diff"); + + if (mmfile_is_binary(&mf1) || mmfile_is_binary(&mf2)) + data->is_binary = 1; + else { + /* Crazy xdl interfaces.. */ + xpparam_t xpp; + xdemitconf_t xecfg; + xdemitcb_t ecb; + + xpp.flags = XDF_NEED_MINIMAL; + xecfg.ctxlen = 0; + xecfg.flags = 0; + ecb.outf = xdiff_outf; + ecb.priv = diffstat; + xdl_diff(&mf1, &mf2, &xpp, &xecfg, &ecb); + } +} + +struct diff_filespec *alloc_filespec(const char *path) +{ + int namelen = strlen(path); + struct diff_filespec *spec = xmalloc(sizeof(*spec) + namelen + 1); + + memset(spec, 0, sizeof(*spec)); + spec->path = (char *)(spec + 1); + memcpy(spec->path, path, namelen+1); + return spec; +} + +void fill_filespec(struct diff_filespec *spec, const unsigned char *sha1, + unsigned short mode) +{ + if (mode) { + spec->mode = canon_mode(mode); + memcpy(spec->sha1, sha1, 20); + spec->sha1_valid = !!memcmp(sha1, null_sha1, 20); + } +} + +/* + * Given a name and sha1 pair, if the dircache tells us the file in + * the work tree has that object contents, return true, so that + * prepare_temp_file() does not have to inflate and extract. + */ +static int work_tree_matches(const char *name, const unsigned char *sha1) +{ + struct cache_entry *ce; + struct stat st; + int pos, len; + + /* We do not read the cache ourselves here, because the + * benchmark with my previous version that always reads cache + * shows that it makes things worse for diff-tree comparing + * two linux-2.6 kernel trees in an already checked out work + * tree. This is because most diff-tree comparisons deal with + * only a small number of files, while reading the cache is + * expensive for a large project, and its cost outweighs the + * savings we get by not inflating the object to a temporary + * file. Practically, this code only helps when we are used + * by diff-cache --cached, which does read the cache before + * calling us. + */ + if (!active_cache) + return 0; + + len = strlen(name); + pos = cache_name_pos(name, len); + if (pos < 0) + return 0; + ce = active_cache[pos]; + if ((lstat(name, &st) < 0) || + !S_ISREG(st.st_mode) || /* careful! */ + ce_match_stat(ce, &st, 0) || + memcmp(sha1, ce->sha1, 20)) + return 0; + /* we return 1 only when we can stat, it is a regular file, + * stat information matches, and sha1 recorded in the cache + * matches. I.e. we know the file in the work tree really is + * the same as the <name, sha1> pair. + */ + return 1; +} + +static struct sha1_size_cache { + unsigned char sha1[20]; + unsigned long size; +} **sha1_size_cache; +static int sha1_size_cache_nr, sha1_size_cache_alloc; + +static struct sha1_size_cache *locate_size_cache(unsigned char *sha1, + int find_only, + unsigned long size) +{ + int first, last; + struct sha1_size_cache *e; + + first = 0; + last = sha1_size_cache_nr; + while (last > first) { + int cmp, next = (last + first) >> 1; + e = sha1_size_cache[next]; + cmp = memcmp(e->sha1, sha1, 20); + if (!cmp) + return e; + if (cmp < 0) { + last = next; + continue; + } + first = next+1; + } + /* not found */ + if (find_only) + return NULL; + /* insert to make it at "first" */ + if (sha1_size_cache_alloc <= sha1_size_cache_nr) { + sha1_size_cache_alloc = alloc_nr(sha1_size_cache_alloc); + sha1_size_cache = xrealloc(sha1_size_cache, + sha1_size_cache_alloc * + sizeof(*sha1_size_cache)); + } + sha1_size_cache_nr++; + if (first < sha1_size_cache_nr) + memmove(sha1_size_cache + first + 1, sha1_size_cache + first, + (sha1_size_cache_nr - first - 1) * + sizeof(*sha1_size_cache)); + e = xmalloc(sizeof(struct sha1_size_cache)); + sha1_size_cache[first] = e; + memcpy(e->sha1, sha1, 20); + e->size = size; + return e; +} + +/* + * While doing rename detection and pickaxe operation, we may need to + * grab the data for the blob (or file) for our own in-core comparison. + * diff_filespec has data and size fields for this purpose. + */ +int diff_populate_filespec(struct diff_filespec *s, int size_only) +{ + int err = 0; + if (!DIFF_FILE_VALID(s)) + die("internal error: asking to populate invalid file."); + if (S_ISDIR(s->mode)) + return -1; + + if (!use_size_cache) + size_only = 0; + + if (s->data) + return err; + if (!s->sha1_valid || + work_tree_matches(s->path, s->sha1)) { + struct stat st; + int fd; + if (lstat(s->path, &st) < 0) { + if (errno == ENOENT) { + err_empty: + err = -1; + empty: + s->data = ""; + s->size = 0; + return err; + } + } + s->size = st.st_size; + if (!s->size) + goto empty; + if (size_only) + return 0; + if (S_ISLNK(st.st_mode)) { + int ret; + s->data = xmalloc(s->size); + s->should_free = 1; + ret = readlink(s->path, s->data, s->size); + if (ret < 0) { + free(s->data); + goto err_empty; + } + return 0; + } + fd = open(s->path, O_RDONLY); + if (fd < 0) + goto err_empty; + s->data = mmap(NULL, s->size, PROT_READ, MAP_PRIVATE, fd, 0); + close(fd); + if (s->data == MAP_FAILED) + goto err_empty; + s->should_munmap = 1; + } + else { + char type[20]; + struct sha1_size_cache *e; + + if (size_only) { + e = locate_size_cache(s->sha1, 1, 0); + if (e) { + s->size = e->size; + return 0; + } + if (!sha1_object_info(s->sha1, type, &s->size)) + locate_size_cache(s->sha1, 0, s->size); + } + else { + s->data = read_sha1_file(s->sha1, type, &s->size); + s->should_free = 1; + } + } + return 0; +} + +void diff_free_filespec_data(struct diff_filespec *s) +{ + if (s->should_free) + free(s->data); + else if (s->should_munmap) + munmap(s->data, s->size); + s->should_free = s->should_munmap = 0; + s->data = NULL; + free(s->cnt_data); + s->cnt_data = NULL; +} + +static void prep_temp_blob(struct diff_tempfile *temp, + void *blob, + unsigned long size, + const unsigned char *sha1, + int mode) +{ + int fd; + + fd = git_mkstemp(temp->tmp_path, TEMPFILE_PATH_LEN, ".diff_XXXXXX"); + if (fd < 0) + die("unable to create temp-file"); + if (write(fd, blob, size) != size) + die("unable to write temp-file"); + close(fd); + temp->name = temp->tmp_path; + strcpy(temp->hex, sha1_to_hex(sha1)); + temp->hex[40] = 0; + sprintf(temp->mode, "%06o", mode); +} + +static void prepare_temp_file(const char *name, + struct diff_tempfile *temp, + struct diff_filespec *one) +{ + if (!DIFF_FILE_VALID(one)) { + not_a_valid_file: + /* A '-' entry produces this for file-2, and + * a '+' entry produces this for file-1. + */ + temp->name = "/dev/null"; + strcpy(temp->hex, "."); + strcpy(temp->mode, "."); + return; + } + + if (!one->sha1_valid || + work_tree_matches(name, one->sha1)) { + struct stat st; + if (lstat(name, &st) < 0) { + if (errno == ENOENT) + goto not_a_valid_file; + die("stat(%s): %s", name, strerror(errno)); + } + if (S_ISLNK(st.st_mode)) { + int ret; + char buf[PATH_MAX + 1]; /* ought to be SYMLINK_MAX */ + if (sizeof(buf) <= st.st_size) + die("symlink too long: %s", name); + ret = readlink(name, buf, st.st_size); + if (ret < 0) + die("readlink(%s)", name); + prep_temp_blob(temp, buf, st.st_size, + (one->sha1_valid ? + one->sha1 : null_sha1), + (one->sha1_valid ? + one->mode : S_IFLNK)); + } + else { + /* we can borrow from the file in the work tree */ + temp->name = name; + if (!one->sha1_valid) + strcpy(temp->hex, sha1_to_hex(null_sha1)); + else + strcpy(temp->hex, sha1_to_hex(one->sha1)); + /* Even though we may sometimes borrow the + * contents from the work tree, we always want + * one->mode. mode is trustworthy even when + * !(one->sha1_valid), as long as + * DIFF_FILE_VALID(one). + */ + sprintf(temp->mode, "%06o", one->mode); + } + return; + } + else { + if (diff_populate_filespec(one, 0)) + die("cannot read data blob for %s", one->path); + prep_temp_blob(temp, one->data, one->size, + one->sha1, one->mode); + } +} + +static void remove_tempfile(void) +{ + int i; + + for (i = 0; i < 2; i++) + if (diff_temp[i].name == diff_temp[i].tmp_path) { + unlink(diff_temp[i].name); + diff_temp[i].name = NULL; + } +} + +static void remove_tempfile_on_signal(int signo) +{ + remove_tempfile(); + signal(SIGINT, SIG_DFL); + raise(signo); +} + +static int spawn_prog(const char *pgm, const char **arg) +{ + pid_t pid; + int status; + + fflush(NULL); + pid = fork(); + if (pid < 0) + die("unable to fork"); + if (!pid) { + execvp(pgm, (char *const*) arg); + exit(255); + } + + while (waitpid(pid, &status, 0) < 0) { + if (errno == EINTR) + continue; + return -1; + } + + /* Earlier we did not check the exit status because + * diff exits non-zero if files are different, and + * we are not interested in knowing that. It was a + * mistake which made it harder to quit a diff-* + * session that uses the git-apply-patch-script as + * the GIT_EXTERNAL_DIFF. A custom GIT_EXTERNAL_DIFF + * should also exit non-zero only when it wants to + * abort the entire diff-* session. + */ + if (WIFEXITED(status) && !WEXITSTATUS(status)) + return 0; + return -1; +} + +/* An external diff command takes: + * + * diff-cmd name infile1 infile1-sha1 infile1-mode \ + * infile2 infile2-sha1 infile2-mode [ rename-to ] + * + */ +static void run_external_diff(const char *pgm, + const char *name, + const char *other, + struct diff_filespec *one, + struct diff_filespec *two, + const char *xfrm_msg, + int complete_rewrite) +{ + const char *spawn_arg[10]; + struct diff_tempfile *temp = diff_temp; + int retval; + static int atexit_asked = 0; + const char *othername; + const char **arg = &spawn_arg[0]; + + othername = (other? other : name); + if (one && two) { + prepare_temp_file(name, &temp[0], one); + prepare_temp_file(othername, &temp[1], two); + if (! atexit_asked && + (temp[0].name == temp[0].tmp_path || + temp[1].name == temp[1].tmp_path)) { + atexit_asked = 1; + atexit(remove_tempfile); + } + signal(SIGINT, remove_tempfile_on_signal); + } + + if (one && two) { + *arg++ = pgm; + *arg++ = name; + *arg++ = temp[0].name; + *arg++ = temp[0].hex; + *arg++ = temp[0].mode; + *arg++ = temp[1].name; + *arg++ = temp[1].hex; + *arg++ = temp[1].mode; + if (other) { + *arg++ = other; + *arg++ = xfrm_msg; + } + } else { + *arg++ = pgm; + *arg++ = name; + } + *arg = NULL; + retval = spawn_prog(pgm, spawn_arg); + remove_tempfile(); + if (retval) { + fprintf(stderr, "external diff died, stopping at %s.\n", name); + exit(1); + } +} + +static void run_diff_cmd(const char *pgm, + const char *name, + const char *other, + struct diff_filespec *one, + struct diff_filespec *two, + const char *xfrm_msg, + int complete_rewrite) +{ + if (pgm) { + run_external_diff(pgm, name, other, one, two, xfrm_msg, + complete_rewrite); + return; + } + if (one && two) + builtin_diff(name, other ? other : name, + one, two, xfrm_msg, complete_rewrite); + else + printf("* Unmerged path %s\n", name); +} + +static void diff_fill_sha1_info(struct diff_filespec *one) +{ + if (DIFF_FILE_VALID(one)) { + if (!one->sha1_valid) { + struct stat st; + if (lstat(one->path, &st) < 0) + die("stat %s", one->path); + if (index_path(one->sha1, one->path, &st, 0)) + die("cannot hash %s\n", one->path); + } + } + else + memset(one->sha1, 0, 20); +} + +static void run_diff(struct diff_filepair *p, struct diff_options *o) +{ + const char *pgm = external_diff(); + char msg[PATH_MAX*2+300], *xfrm_msg; + struct diff_filespec *one; + struct diff_filespec *two; + const char *name; + const char *other; + char *name_munged, *other_munged; + int complete_rewrite = 0; + int len; + + if (DIFF_PAIR_UNMERGED(p)) { + /* unmerged */ + run_diff_cmd(pgm, p->one->path, NULL, NULL, NULL, NULL, 0); + return; + } + + name = p->one->path; + other = (strcmp(name, p->two->path) ? p->two->path : NULL); + name_munged = quote_one(name); + other_munged = quote_one(other); + one = p->one; two = p->two; + + diff_fill_sha1_info(one); + diff_fill_sha1_info(two); + + len = 0; + switch (p->status) { + case DIFF_STATUS_COPIED: + len += snprintf(msg + len, sizeof(msg) - len, + "similarity index %d%%\n" + "copy from %s\n" + "copy to %s\n", + (int)(0.5 + p->score * 100.0/MAX_SCORE), + name_munged, other_munged); + break; + case DIFF_STATUS_RENAMED: + len += snprintf(msg + len, sizeof(msg) - len, + "similarity index %d%%\n" + "rename from %s\n" + "rename to %s\n", + (int)(0.5 + p->score * 100.0/MAX_SCORE), + name_munged, other_munged); + break; + case DIFF_STATUS_MODIFIED: + if (p->score) { + len += snprintf(msg + len, sizeof(msg) - len, + "dissimilarity index %d%%\n", + (int)(0.5 + p->score * + 100.0/MAX_SCORE)); + complete_rewrite = 1; + break; + } + /* fallthru */ + default: + /* nothing */ + ; + } + + if (memcmp(one->sha1, two->sha1, 20)) { + int abbrev = o->full_index ? 40 : DEFAULT_ABBREV; + + len += snprintf(msg + len, sizeof(msg) - len, + "index %.*s..%.*s", + abbrev, sha1_to_hex(one->sha1), + abbrev, sha1_to_hex(two->sha1)); + if (one->mode == two->mode) + len += snprintf(msg + len, sizeof(msg) - len, + " %06o", one->mode); + len += snprintf(msg + len, sizeof(msg) - len, "\n"); + } + + if (len) + msg[--len] = 0; + xfrm_msg = len ? msg : NULL; + + if (!pgm && + DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two) && + (S_IFMT & one->mode) != (S_IFMT & two->mode)) { + /* a filepair that changes between file and symlink + * needs to be split into deletion and creation. + */ + struct diff_filespec *null = alloc_filespec(two->path); + run_diff_cmd(NULL, name, other, one, null, xfrm_msg, 0); + free(null); + null = alloc_filespec(one->path); + run_diff_cmd(NULL, name, other, null, two, xfrm_msg, 0); + free(null); + } + else + run_diff_cmd(pgm, name, other, one, two, xfrm_msg, + complete_rewrite); + + free(name_munged); + free(other_munged); +} + +static void run_diffstat(struct diff_filepair *p, struct diff_options *o, + struct diffstat_t *diffstat) +{ + const char *name; + const char *other; + int complete_rewrite = 0; + + if (DIFF_PAIR_UNMERGED(p)) { + /* unmerged */ + builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat, 0); + return; + } + + name = p->one->path; + other = (strcmp(name, p->two->path) ? p->two->path : NULL); + + diff_fill_sha1_info(p->one); + diff_fill_sha1_info(p->two); + + if (p->status == DIFF_STATUS_MODIFIED && p->score) + complete_rewrite = 1; + builtin_diffstat(name, other, p->one, p->two, diffstat, complete_rewrite); +} + +void diff_setup(struct diff_options *options) +{ + memset(options, 0, sizeof(*options)); + options->output_format = DIFF_FORMAT_RAW; + options->line_termination = '\n'; + options->break_opt = -1; + options->rename_limit = -1; + + options->change = diff_change; + options->add_remove = diff_addremove; +} + +int diff_setup_done(struct diff_options *options) +{ + if ((options->find_copies_harder && + options->detect_rename != DIFF_DETECT_COPY) || + (0 <= options->rename_limit && !options->detect_rename)) + return -1; + + /* + * These cases always need recursive; we do not drop caller-supplied + * recursive bits for other formats here. + */ + if ((options->output_format == DIFF_FORMAT_PATCH) || + (options->output_format == DIFF_FORMAT_DIFFSTAT)) + options->recursive = 1; + + if (options->detect_rename && options->rename_limit < 0) + options->rename_limit = diff_rename_limit_default; + if (options->setup & DIFF_SETUP_USE_CACHE) { + if (!active_cache) + /* read-cache does not die even when it fails + * so it is safe for us to do this here. Also + * it does not smudge active_cache or active_nr + * when it fails, so we do not have to worry about + * cleaning it up ourselves either. + */ + read_cache(); + } + if (options->setup & DIFF_SETUP_USE_SIZE_CACHE) + use_size_cache = 1; + if (options->abbrev <= 0 || 40 < options->abbrev) + options->abbrev = 40; /* full */ + + return 0; +} + +int diff_opt_parse(struct diff_options *options, const char **av, int ac) +{ + const char *arg = av[0]; + if (!strcmp(arg, "-p") || !strcmp(arg, "-u")) + options->output_format = DIFF_FORMAT_PATCH; + else if (!strcmp(arg, "--patch-with-raw")) { + options->output_format = DIFF_FORMAT_PATCH; + options->with_raw = 1; + } + else if (!strcmp(arg, "--stat")) + options->output_format = DIFF_FORMAT_DIFFSTAT; + else if (!strcmp(arg, "--patch-with-stat")) { + options->output_format = DIFF_FORMAT_PATCH; + options->with_stat = 1; + } + else if (!strcmp(arg, "-z")) + options->line_termination = 0; + else if (!strncmp(arg, "-l", 2)) + options->rename_limit = strtoul(arg+2, NULL, 10); + else if (!strcmp(arg, "--full-index")) + options->full_index = 1; + else if (!strcmp(arg, "--name-only")) + options->output_format = DIFF_FORMAT_NAME; + else if (!strcmp(arg, "--name-status")) + options->output_format = DIFF_FORMAT_NAME_STATUS; + else if (!strcmp(arg, "-R")) + options->reverse_diff = 1; + else if (!strncmp(arg, "-S", 2)) + options->pickaxe = arg + 2; + else if (!strcmp(arg, "-s")) + options->output_format = DIFF_FORMAT_NO_OUTPUT; + else if (!strncmp(arg, "-O", 2)) + options->orderfile = arg + 2; + else if (!strncmp(arg, "--diff-filter=", 14)) + options->filter = arg + 14; + else if (!strcmp(arg, "--pickaxe-all")) + options->pickaxe_opts = DIFF_PICKAXE_ALL; + else if (!strcmp(arg, "--pickaxe-regex")) + options->pickaxe_opts = DIFF_PICKAXE_REGEX; + else if (!strncmp(arg, "-B", 2)) { + if ((options->break_opt = + diff_scoreopt_parse(arg)) == -1) + return -1; + } + else if (!strncmp(arg, "-M", 2)) { + if ((options->rename_score = + diff_scoreopt_parse(arg)) == -1) + return -1; + options->detect_rename = DIFF_DETECT_RENAME; + } + else if (!strncmp(arg, "-C", 2)) { + if ((options->rename_score = + diff_scoreopt_parse(arg)) == -1) + return -1; + options->detect_rename = DIFF_DETECT_COPY; + } + else if (!strcmp(arg, "--find-copies-harder")) + options->find_copies_harder = 1; + else if (!strcmp(arg, "--abbrev")) + options->abbrev = DEFAULT_ABBREV; + else if (!strncmp(arg, "--abbrev=", 9)) { + options->abbrev = strtoul(arg + 9, NULL, 10); + if (options->abbrev < MINIMUM_ABBREV) + options->abbrev = MINIMUM_ABBREV; + else if (40 < options->abbrev) + options->abbrev = 40; + } + else + return 0; + return 1; +} + +static int parse_num(const char **cp_p) +{ + unsigned long num, scale; + int ch, dot; + const char *cp = *cp_p; + + num = 0; + scale = 1; + dot = 0; + for(;;) { + ch = *cp; + if ( !dot && ch == '.' ) { + scale = 1; + dot = 1; + } else if ( ch == '%' ) { + scale = dot ? scale*100 : 100; + cp++; /* % is always at the end */ + break; + } else if ( ch >= '0' && ch <= '9' ) { + if ( scale < 100000 ) { + scale *= 10; + num = (num*10) + (ch-'0'); + } + } else { + break; + } + cp++; + } + *cp_p = cp; + + /* user says num divided by scale and we say internally that + * is MAX_SCORE * num / scale. + */ + return (num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale); +} + +int diff_scoreopt_parse(const char *opt) +{ + int opt1, opt2, cmd; + + if (*opt++ != '-') + return -1; + cmd = *opt++; + if (cmd != 'M' && cmd != 'C' && cmd != 'B') + return -1; /* that is not a -M, -C nor -B option */ + + opt1 = parse_num(&opt); + if (cmd != 'B') + opt2 = 0; + else { + if (*opt == 0) + opt2 = 0; + else if (*opt != '/') + return -1; /* we expect -B80/99 or -B80 */ + else { + opt++; + opt2 = parse_num(&opt); + } + } + if (*opt != 0) + return -1; + return opt1 | (opt2 << 16); +} + +struct diff_queue_struct diff_queued_diff; + +void diff_q(struct diff_queue_struct *queue, struct diff_filepair *dp) +{ + if (queue->alloc <= queue->nr) { + queue->alloc = alloc_nr(queue->alloc); + queue->queue = xrealloc(queue->queue, + sizeof(dp) * queue->alloc); + } + queue->queue[queue->nr++] = dp; +} + +struct diff_filepair *diff_queue(struct diff_queue_struct *queue, + struct diff_filespec *one, + struct diff_filespec *two) +{ + struct diff_filepair *dp = xmalloc(sizeof(*dp)); + dp->one = one; + dp->two = two; + dp->score = 0; + dp->status = 0; + dp->source_stays = 0; + dp->broken_pair = 0; + if (queue) + diff_q(queue, dp); + return dp; +} + +void diff_free_filepair(struct diff_filepair *p) +{ + diff_free_filespec_data(p->one); + diff_free_filespec_data(p->two); + free(p->one); + free(p->two); + free(p); +} + +/* This is different from find_unique_abbrev() in that + * it stuffs the result with dots for alignment. + */ +const char *diff_unique_abbrev(const unsigned char *sha1, int len) +{ + int abblen; + const char *abbrev; + if (len == 40) + return sha1_to_hex(sha1); + + abbrev = find_unique_abbrev(sha1, len); + if (!abbrev) + return sha1_to_hex(sha1); + abblen = strlen(abbrev); + if (abblen < 37) { + static char hex[41]; + if (len < abblen && abblen <= len + 2) + sprintf(hex, "%s%.*s", abbrev, len+3-abblen, ".."); + else + sprintf(hex, "%s...", abbrev); + return hex; + } + return sha1_to_hex(sha1); +} + +static void diff_flush_raw(struct diff_filepair *p, + int line_termination, + int inter_name_termination, + struct diff_options *options, + int output_format) +{ + int two_paths; + char status[10]; + int abbrev = options->abbrev; + const char *path_one, *path_two; + + path_one = p->one->path; + path_two = p->two->path; + if (line_termination) { + path_one = quote_one(path_one); + path_two = quote_one(path_two); + } + + if (p->score) + sprintf(status, "%c%03d", p->status, + (int)(0.5 + p->score * 100.0/MAX_SCORE)); + else { + status[0] = p->status; + status[1] = 0; + } + switch (p->status) { + case DIFF_STATUS_COPIED: + case DIFF_STATUS_RENAMED: + two_paths = 1; + break; + case DIFF_STATUS_ADDED: + case DIFF_STATUS_DELETED: + two_paths = 0; + break; + default: + two_paths = 0; + break; + } + if (output_format != DIFF_FORMAT_NAME_STATUS) { + printf(":%06o %06o %s ", + p->one->mode, p->two->mode, + diff_unique_abbrev(p->one->sha1, abbrev)); + printf("%s ", + diff_unique_abbrev(p->two->sha1, abbrev)); + } + printf("%s%c%s", status, inter_name_termination, path_one); + if (two_paths) + printf("%c%s", inter_name_termination, path_two); + putchar(line_termination); + if (path_one != p->one->path) + free((void*)path_one); + if (path_two != p->two->path) + free((void*)path_two); +} + +static void diff_flush_name(struct diff_filepair *p, + int inter_name_termination, + int line_termination) +{ + char *path = p->two->path; + + if (line_termination) + path = quote_one(p->two->path); + else + path = p->two->path; + printf("%s%c", path, line_termination); + if (p->two->path != path) + free(path); +} + +int diff_unmodified_pair(struct diff_filepair *p) +{ + /* This function is written stricter than necessary to support + * the currently implemented transformers, but the idea is to + * let transformers to produce diff_filepairs any way they want, + * and filter and clean them up here before producing the output. + */ + struct diff_filespec *one, *two; + + if (DIFF_PAIR_UNMERGED(p)) + return 0; /* unmerged is interesting */ + + one = p->one; + two = p->two; + + /* deletion, addition, mode or type change + * and rename are all interesting. + */ + if (DIFF_FILE_VALID(one) != DIFF_FILE_VALID(two) || + DIFF_PAIR_MODE_CHANGED(p) || + strcmp(one->path, two->path)) + return 0; + + /* both are valid and point at the same path. that is, we are + * dealing with a change. + */ + if (one->sha1_valid && two->sha1_valid && + !memcmp(one->sha1, two->sha1, sizeof(one->sha1))) + return 1; /* no change */ + if (!one->sha1_valid && !two->sha1_valid) + return 1; /* both look at the same file on the filesystem. */ + return 0; +} + +static void diff_flush_patch(struct diff_filepair *p, struct diff_options *o) +{ + if (diff_unmodified_pair(p)) + return; + + if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) || + (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode))) + return; /* no tree diffs in patch format */ + + run_diff(p, o); +} + +static void diff_flush_stat(struct diff_filepair *p, struct diff_options *o, + struct diffstat_t *diffstat) +{ + if (diff_unmodified_pair(p)) + return; + + if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) || + (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode))) + return; /* no tree diffs in patch format */ + + run_diffstat(p, o, diffstat); +} + +int diff_queue_is_empty(void) +{ + struct diff_queue_struct *q = &diff_queued_diff; + int i; + for (i = 0; i < q->nr; i++) + if (!diff_unmodified_pair(q->queue[i])) + return 0; + return 1; +} + +#if DIFF_DEBUG +void diff_debug_filespec(struct diff_filespec *s, int x, const char *one) +{ + fprintf(stderr, "queue[%d] %s (%s) %s %06o %s\n", + x, one ? one : "", + s->path, + DIFF_FILE_VALID(s) ? "valid" : "invalid", + s->mode, + s->sha1_valid ? sha1_to_hex(s->sha1) : ""); + fprintf(stderr, "queue[%d] %s size %lu flags %d\n", + x, one ? one : "", + s->size, s->xfrm_flags); +} + +void diff_debug_filepair(const struct diff_filepair *p, int i) +{ + diff_debug_filespec(p->one, i, "one"); + diff_debug_filespec(p->two, i, "two"); + fprintf(stderr, "score %d, status %c stays %d broken %d\n", + p->score, p->status ? p->status : '?', + p->source_stays, p->broken_pair); +} + +void diff_debug_queue(const char *msg, struct diff_queue_struct *q) +{ + int i; + if (msg) + fprintf(stderr, "%s\n", msg); + fprintf(stderr, "q->nr = %d\n", q->nr); + for (i = 0; i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + diff_debug_filepair(p, i); + } +} +#endif + +static void diff_resolve_rename_copy(void) +{ + int i, j; + struct diff_filepair *p, *pp; + struct diff_queue_struct *q = &diff_queued_diff; + + diff_debug_queue("resolve-rename-copy", q); + + for (i = 0; i < q->nr; i++) { + p = q->queue[i]; + p->status = 0; /* undecided */ + if (DIFF_PAIR_UNMERGED(p)) + p->status = DIFF_STATUS_UNMERGED; + else if (!DIFF_FILE_VALID(p->one)) + p->status = DIFF_STATUS_ADDED; + else if (!DIFF_FILE_VALID(p->two)) + p->status = DIFF_STATUS_DELETED; + else if (DIFF_PAIR_TYPE_CHANGED(p)) + p->status = DIFF_STATUS_TYPE_CHANGED; + + /* from this point on, we are dealing with a pair + * whose both sides are valid and of the same type, i.e. + * either in-place edit or rename/copy edit. + */ + else if (DIFF_PAIR_RENAME(p)) { + if (p->source_stays) { + p->status = DIFF_STATUS_COPIED; + continue; + } + /* See if there is some other filepair that + * copies from the same source as us. If so + * we are a copy. Otherwise we are either a + * copy if the path stays, or a rename if it + * does not, but we already handled "stays" case. + */ + for (j = i + 1; j < q->nr; j++) { + pp = q->queue[j]; + if (strcmp(pp->one->path, p->one->path)) + continue; /* not us */ + if (!DIFF_PAIR_RENAME(pp)) + continue; /* not a rename/copy */ + /* pp is a rename/copy from the same source */ + p->status = DIFF_STATUS_COPIED; + break; + } + if (!p->status) + p->status = DIFF_STATUS_RENAMED; + } + else if (memcmp(p->one->sha1, p->two->sha1, 20) || + p->one->mode != p->two->mode) + p->status = DIFF_STATUS_MODIFIED; + else { + /* This is a "no-change" entry and should not + * happen anymore, but prepare for broken callers. + */ + error("feeding unmodified %s to diffcore", + p->one->path); + p->status = DIFF_STATUS_UNKNOWN; + } + } + diff_debug_queue("resolve-rename-copy done", q); +} + +static void flush_one_pair(struct diff_filepair *p, + int diff_output_format, + struct diff_options *options, + struct diffstat_t *diffstat) +{ + int inter_name_termination = '\t'; + int line_termination = options->line_termination; + if (!line_termination) + inter_name_termination = 0; + + switch (p->status) { + case DIFF_STATUS_UNKNOWN: + break; + case 0: + die("internal error in diff-resolve-rename-copy"); + break; + default: + switch (diff_output_format) { + case DIFF_FORMAT_DIFFSTAT: + diff_flush_stat(p, options, diffstat); + break; + case DIFF_FORMAT_PATCH: + diff_flush_patch(p, options); + break; + case DIFF_FORMAT_RAW: + case DIFF_FORMAT_NAME_STATUS: + diff_flush_raw(p, line_termination, + inter_name_termination, + options, diff_output_format); + break; + case DIFF_FORMAT_NAME: + diff_flush_name(p, + inter_name_termination, + line_termination); + break; + case DIFF_FORMAT_NO_OUTPUT: + break; + } + } +} + +void diff_flush(struct diff_options *options) +{ + struct diff_queue_struct *q = &diff_queued_diff; + int i; + int diff_output_format = options->output_format; + struct diffstat_t *diffstat = NULL; + + if (diff_output_format == DIFF_FORMAT_DIFFSTAT || options->with_stat) { + diffstat = xcalloc(sizeof (struct diffstat_t), 1); + diffstat->xm.consume = diffstat_consume; + } + + if (options->with_raw) { + for (i = 0; i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + flush_one_pair(p, DIFF_FORMAT_RAW, options, NULL); + } + putchar(options->line_termination); + } + if (options->with_stat) { + for (i = 0; i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + flush_one_pair(p, DIFF_FORMAT_DIFFSTAT, options, + diffstat); + } + show_stats(diffstat); + free(diffstat); + diffstat = NULL; + putchar(options->line_termination); + } + for (i = 0; i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + flush_one_pair(p, diff_output_format, options, diffstat); + diff_free_filepair(p); + } + + if (diffstat) { + show_stats(diffstat); + free(diffstat); + } + + free(q->queue); + q->queue = NULL; + q->nr = q->alloc = 0; +} + +static void diffcore_apply_filter(const char *filter) +{ + int i; + struct diff_queue_struct *q = &diff_queued_diff; + struct diff_queue_struct outq; + outq.queue = NULL; + outq.nr = outq.alloc = 0; + + if (!filter) + return; + + if (strchr(filter, DIFF_STATUS_FILTER_AON)) { + int found; + for (i = found = 0; !found && i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + if (((p->status == DIFF_STATUS_MODIFIED) && + ((p->score && + strchr(filter, DIFF_STATUS_FILTER_BROKEN)) || + (!p->score && + strchr(filter, DIFF_STATUS_MODIFIED)))) || + ((p->status != DIFF_STATUS_MODIFIED) && + strchr(filter, p->status))) + found++; + } + if (found) + return; + + /* otherwise we will clear the whole queue + * by copying the empty outq at the end of this + * function, but first clear the current entries + * in the queue. + */ + for (i = 0; i < q->nr; i++) + diff_free_filepair(q->queue[i]); + } + else { + /* Only the matching ones */ + for (i = 0; i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + + if (((p->status == DIFF_STATUS_MODIFIED) && + ((p->score && + strchr(filter, DIFF_STATUS_FILTER_BROKEN)) || + (!p->score && + strchr(filter, DIFF_STATUS_MODIFIED)))) || + ((p->status != DIFF_STATUS_MODIFIED) && + strchr(filter, p->status))) + diff_q(&outq, p); + else + diff_free_filepair(p); + } + } + free(q->queue); + *q = outq; +} + +void diffcore_std(struct diff_options *options) +{ + if (options->break_opt != -1) + diffcore_break(options->break_opt); + if (options->detect_rename) + diffcore_rename(options); + if (options->break_opt != -1) + diffcore_merge_broken(); + if (options->pickaxe) + diffcore_pickaxe(options->pickaxe, options->pickaxe_opts); + if (options->orderfile) + diffcore_order(options->orderfile); + diff_resolve_rename_copy(); + diffcore_apply_filter(options->filter); +} + + +void diffcore_std_no_resolve(struct diff_options *options) +{ + if (options->pickaxe) + diffcore_pickaxe(options->pickaxe, options->pickaxe_opts); + if (options->orderfile) + diffcore_order(options->orderfile); + diffcore_apply_filter(options->filter); +} + +void diff_addremove(struct diff_options *options, + int addremove, unsigned mode, + const unsigned char *sha1, + const char *base, const char *path) +{ + char concatpath[PATH_MAX]; + struct diff_filespec *one, *two; + + /* This may look odd, but it is a preparation for + * feeding "there are unchanged files which should + * not produce diffs, but when you are doing copy + * detection you would need them, so here they are" + * entries to the diff-core. They will be prefixed + * with something like '=' or '*' (I haven't decided + * which but should not make any difference). + * Feeding the same new and old to diff_change() + * also has the same effect. + * Before the final output happens, they are pruned after + * merged into rename/copy pairs as appropriate. + */ + if (options->reverse_diff) + addremove = (addremove == '+' ? '-' : + addremove == '-' ? '+' : addremove); + + if (!path) path = ""; + sprintf(concatpath, "%s%s", base, path); + one = alloc_filespec(concatpath); + two = alloc_filespec(concatpath); + + if (addremove != '+') + fill_filespec(one, sha1, mode); + if (addremove != '-') + fill_filespec(two, sha1, mode); + + diff_queue(&diff_queued_diff, one, two); +} + +void diff_change(struct diff_options *options, + unsigned old_mode, unsigned new_mode, + const unsigned char *old_sha1, + const unsigned char *new_sha1, + const char *base, const char *path) +{ + char concatpath[PATH_MAX]; + struct diff_filespec *one, *two; + + if (options->reverse_diff) { + unsigned tmp; + const unsigned char *tmp_c; + tmp = old_mode; old_mode = new_mode; new_mode = tmp; + tmp_c = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_c; + } + if (!path) path = ""; + sprintf(concatpath, "%s%s", base, path); + one = alloc_filespec(concatpath); + two = alloc_filespec(concatpath); + fill_filespec(one, old_sha1, old_mode); + fill_filespec(two, new_sha1, new_mode); + + diff_queue(&diff_queued_diff, one, two); +} + +void diff_unmerge(struct diff_options *options, + const char *path) +{ + struct diff_filespec *one, *two; + one = alloc_filespec(path); + two = alloc_filespec(path); + diff_queue(&diff_queued_diff, one, two); +} @@ -28,10 +28,11 @@ struct diff_options { with_raw:1, with_stat:1, tree_in_recursive:1, - full_index:1; + full_index:1, + silent_on_remove:1, + find_copies_harder:1; int break_opt; int detect_rename; - int find_copies_harder; int line_termination; int output_format; int pickaxe_opts; @@ -74,6 +75,8 @@ struct combine_diff_path { extern void show_combined_diff(struct combine_diff_path *elem, int num_parent, int dense, struct rev_info *); +extern void diff_tree_combined(const unsigned char *sha1, const unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev); + extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *); extern void diff_addremove(struct diff_options *, @@ -168,4 +171,8 @@ extern void diff_flush(struct diff_options*); extern const char *diff_unique_abbrev(const unsigned char *, int); +extern int run_diff_files(struct rev_info *revs, int silent_on_removed); + +extern int run_diff_index(struct rev_info *revs, int cached); + #endif /* DIFF_H */ diff --git a/environment.c b/environment.c index 6df647862c..444c99ed6e 100644 --- a/environment.c +++ b/environment.c @@ -13,7 +13,7 @@ char git_default_email[MAX_GITNAME]; char git_default_name[MAX_GITNAME]; int trust_executable_bit = 1; int assume_unchanged = 0; -int only_use_symrefs = 0; +int prefer_symlink_refs = 0; int warn_ambiguous_refs = 1; int repository_format_version = 0; char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8"; @@ -14,6 +14,26 @@ stop_here () { exit 1 } +stop_here_user_resolve () { + cmdline=$(basename $0) + if test '' != "$interactive" + then + cmdline="$cmdline -i" + fi + if test '' != "$threeway" + then + cmdline="$cmdline -3" + fi + if test '.dotest' != "$dotest" + then + cmdline="$cmdline -d=$dotest" + fi + echo "When you have resolved this problem run \"$cmdline --resolved\"." + echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"." + + stop_here $1 +} + go_next () { rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \ "$dotest/patch" "$dotest/info" @@ -374,7 +394,14 @@ do if test '' = "$changed" then echo "No changes - did you forget update-index?" - stop_here $this + stop_here_user_resolve $this + fi + unmerged=$(git-ls-files -u) + if test -n "$unmerged" + then + echo "You still have unmerged paths in your index" + echo "did you forget update-index?" + stop_here_user_resolve $this fi apply_status=0 ;; @@ -400,7 +427,7 @@ do if test $apply_status != 0 then echo Patch failed at $msgnum. - stop_here $this + stop_here_user_resolve $this fi if test -x "$GIT_DIR"/hooks/pre-applypatch diff --git a/git-annotate.perl b/git-annotate.perl index 9df72a1662..a6a7a482cd 100755 --- a/git-annotate.perl +++ b/git-annotate.perl @@ -10,9 +10,10 @@ use warnings; use strict; use Getopt::Long; use POSIX qw(strftime gmtime); +use File::Basename qw(basename dirname); sub usage() { - print STDERR 'Usage: ${\basename $0} [-s] [-S revs-file] file [ revision ] + print STDERR "Usage: ${\basename $0} [-s] [-S revs-file] file [ revision ] -l, --long Show long rev (Defaults off) -t, --time @@ -23,7 +24,7 @@ sub usage() { Use revs from revs-file instead of calling git-rev-list -h, --help This message. -'; +"; exit(1); } @@ -35,7 +36,7 @@ my $rc = GetOptions( "long|l" => \$longrev, "help|h" => \$help, "rename|r" => \$rename, "rev-file|S=s" => \$rev_file); -if (!$rc or $help) { +if (!$rc or $help or !@ARGV) { usage(); } @@ -208,6 +209,9 @@ sub find_parent_renames { while (my $change = <$patch>) { chomp $change; my $filename = <$patch>; + if (!defined $filename) { + next; + } chomp $filename; if ($change =~ m/^[AMD]$/ ) { diff --git a/git-branch.sh b/git-branch.sh index 663a3a370c..ebcc8989d8 100755 --- a/git-branch.sh +++ b/git-branch.sh @@ -1,6 +1,6 @@ #!/bin/sh -USAGE='[(-d | -D) <branchname>] | [[-f] <branchname> [<start-point>]]' +USAGE='[(-d | -D) <branchname>] | [[-f] <branchname> [<start-point>]] | -r' LONG_USAGE='If no arguments, show available branches and mark current branch with a star. If one argument, create a new branch <branchname> based off of current HEAD. If two arguments, create a new branch <branchname> based off of <start-point>.' diff --git a/git-count-objects.sh b/git-count-objects.sh deleted file mode 100755 index 40c58efe08..0000000000 --- a/git-count-objects.sh +++ /dev/null @@ -1,31 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 2005 Junio C Hamano -# - -GIT_DIR=`git-rev-parse --git-dir` || exit $? - -dc </dev/null 2>/dev/null || { - # This is not a real DC at all -- it just knows how - # this script feeds DC and does the computation itself. - dc () { - while read a b - do - case $a,$b in - 0,) acc=0 ;; - *,+) acc=$(($acc + $a)) ;; - p,) echo "$acc" ;; - esac - done - } -} - -echo $(find "$GIT_DIR/objects"/?? -type f -print 2>/dev/null | wc -l) objects, \ -$({ - echo 0 - # "no-such" is to help Darwin folks by not using xargs -r. - find "$GIT_DIR/objects"/?? -type f -print 2>/dev/null | - xargs du -k "$GIT_DIR/objects/no-such" 2>/dev/null | - sed -e 's/[ ].*/ +/' - echo p -} | dc) kilobytes diff --git a/git-cvsserver.perl b/git-cvsserver.perl index 7d3f78e375..ffd9c66f94 100755 --- a/git-cvsserver.perl +++ b/git-cvsserver.perl @@ -88,7 +88,7 @@ my $TEMP_DIR = tempdir( CLEANUP => 1 ); $log->debug("Temporary directory is '$TEMP_DIR'"); # if we are called with a pserver argument, -# deal with the authentication cat before entereing the +# deal with the authentication cat before entering the # main loop if (@ARGV && $ARGV[0] eq 'pserver') { my $line = <STDIN>; chomp $line; @@ -117,7 +117,7 @@ while (<STDIN>) { chomp; - # Check to see if we've seen this method, and call appropiate function. + # Check to see if we've seen this method, and call appropriate function. if ( /^([\w-]+)(?:\s+(.*))?$/ and defined($methods->{$1}) ) { # use the $methods hash to call the appropriate sub for this command @@ -171,11 +171,11 @@ sub req_Root return 0; } - my @gitvars = `git-var -l`; + my @gitvars = `git-repo-config -l`; if ($?) { - print "E problems executing git-var on the server -- this is not a git repository or the PATH is not set correcly.\n"; + print "E problems executing git-repo-config on the server -- this is not a git repository or the PATH is not set correctly.\n"; print "E \n"; - print "error 1 - problem executing git-var\n"; + print "error 1 - problem executing git-repo-config\n"; return 0; } foreach my $line ( @gitvars ) @@ -224,7 +224,7 @@ sub req_Globaloption sub req_Validresponses { my ( $cmd, $data ) = @_; - $log->debug("req_Validrepsonses : $data"); + $log->debug("req_Validresponses : $data"); # TODO : re-enable this, currently it's not particularly useful #$state->{validresponses} = [ split /\s+/, $data ]; @@ -733,7 +733,7 @@ sub req_update argsplit("update"); # - # It may just be a client exploring the available heads/modukles + # It may just be a client exploring the available heads/modules # in that case, list them as top level directories and leave it # at that. Eclipse uses this technique to offer you a list of # projects (heads in this case) to checkout. @@ -1731,7 +1731,7 @@ sub transmitfile } # This method takes a file name, and returns ( $dirpart, $filepart ) which -# refers to the directory porition and the file portion of the filename +# refers to the directory portion and the file portion of the filename # respectively sub filenamesplit { @@ -1790,7 +1790,7 @@ Log::Log4perl =head2 new Creates a new log object, optionally you can specify a filename here to -indicate the file to log to. If no log file is specified, you can specifiy one +indicate the file to log to. If no log file is specified, you can specify one later with method setfile, or indicate you no longer want logging with method nofile. @@ -2076,14 +2076,15 @@ sub update # TODO: log processing is memory bound # if we can parse into a 2nd file that is in reverse order # we can probably do something really efficient - my @git_log_params = ('--parents', '--topo-order'); + my @git_log_params = ('--pretty', '--parents', '--topo-order'); if (defined $lastcommit) { push @git_log_params, "$lastcommit..$self->{module}"; } else { push @git_log_params, $self->{module}; } - open(GITLOG, '-|', 'git-log', @git_log_params) or die "Cannot call git-log: $!"; + # git-rev-list is the backend / plumbing version of git-log + open(GITLOG, '-|', 'git-rev-list', @git_log_params) or die "Cannot call git-rev-list: $!"; my @commits; @@ -2595,7 +2596,7 @@ sub in_array =head2 safe_pipe_capture -an alterative to `command` that allows input to be passed as an array +an alternative to `command` that allows input to be passed as an array to work around shell problems with weird characters in arguments =cut diff --git a/git-diff.sh b/git-diff.sh deleted file mode 100755 index 0fe6770749..0000000000 --- a/git-diff.sh +++ /dev/null @@ -1,74 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 2005 Linus Torvalds -# Copyright (c) 2005 Junio C Hamano - -USAGE='[ --diff-options ] <ent>{0,2} [<path>...]' -SUBDIRECTORY_OK='Yes' -. git-sh-setup - -rev=$(git-rev-parse --revs-only --no-flags --sq "$@") || exit -flags=$(git-rev-parse --no-revs --flags --sq "$@") -files=$(git-rev-parse --no-revs --no-flags --sq "$@") - -# I often say 'git diff --cached -p' and get scolded by git-diff-files, but -# obviously I mean 'git diff --cached -p HEAD' in that case. -case "$rev" in -'') - case " $flags " in - *" '--cached' "*) - rev='HEAD ' - ;; - esac -esac - -# If we have -[123] --ours --theirs --base, don't do --cc by default. -case " $flags " in -*" '-"[123]"' "* | *" '--ours' "* | *" '--base' "* | *" '--theirs' "*) - cc_or_p=-p ;; -*) - cc_or_p=--cc ;; -esac - -# If we do not have --name-status, --name-only, -r, -c or --stat, -# default to --cc. -case " $flags " in -*" '--name-status' "* | *" '--name-only' "* | *" '-r' "* | *" '-c' "* | \ -*" '--stat' "*) - ;; -*) - flags="$flags'$cc_or_p' " ;; -esac - -# If we do not have -B, -C, -r, nor -p, default to -M. -case " $flags " in -*" '-"[BCMrp]* | *" '--find-copies-harder' "*) - ;; # something like -M50. -*) - flags="$flags'-M' " ;; -esac - -case "$rev" in -?*' '?*' '?*) - usage - ;; -?*' '^?*) - begin=$(expr "$rev" : '.*^.\([0-9a-f]*\).*') && - end=$(expr "$rev" : '.\([0-9a-f]*\). .*') || exit - cmd="git-diff-tree $flags $begin $end -- $files" - ;; -?*' '?*) - cmd="git-diff-tree $flags $rev -- $files" - ;; -?*' ') - cmd="git-diff-index $flags $rev -- $files" - ;; -'') - cmd="git-diff-files $flags -- $files" - ;; -*) - usage - ;; -esac - -eval "$cmd" diff --git a/git-fetch.sh b/git-fetch.sh index 83143f82cf..280f62e4b7 100755 --- a/git-fetch.sh +++ b/git-fetch.sh @@ -270,14 +270,22 @@ fetch_main () { if [ -n "$GIT_SSL_NO_VERIFY" ]; then curl_extra_args="-k" fi - remote_name_quoted=$(perl -e ' + max_depth=5 + depth=0 + head="ref: $remote_name" + while (expr "z$head" : "zref:" && expr $depth \< $max_depth) >/dev/null + do + remote_name_quoted=$(perl -e ' my $u = $ARGV[0]; + $u =~ s/^ref:\s*//; $u =~ s{([^-a-zA-Z0-9/.])}{sprintf"%%%02x",ord($1)}eg; print "$u"; - ' "$remote_name") - head=$(curl -nsfL $curl_extra_args "$remote/$remote_name_quoted") && + ' "$head") + head=$(curl -nsfL $curl_extra_args "$remote/$remote_name_quoted") + depth=$( expr \( $depth + 1 \) ) + done expr "z$head" : "z$_x40\$" >/dev/null || - die "Failed to fetch $remote_name from $remote" + die "Failed to fetch $remote_name from $remote" echo >&2 Fetching "$remote_name from $remote" using http git-http-fetch -v -a "$head" "$remote/" || exit ;; diff --git a/git-format-patch.sh b/git-format-patch.sh index c7133bc126..c077f44ca1 100755 --- a/git-format-patch.sh +++ b/git-format-patch.sh @@ -205,11 +205,10 @@ sub show_date { } my $t = $time + $minutes * 60; my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday) = gmtime($t); - return sprintf("%s %s %d %02d:%02d:%02d %d %+05d", - $weekday_names[$wday], - $month_names[$mon], - $mday, $hour, $min, $sec, - $year+1900, $tz); + return sprintf("%s, %d %s %d %02d:%02d:%02d %+05d", + $weekday_names[$wday], $mday, + $month_names[$mon], $year+1900, + $hour, $min, $sec, $tz); } print "From nobody Mon Sep 17 00:00:00 2001\n"; diff --git a/git-rebase.sh b/git-rebase.sh index 86dfe9cb96..9e259028e0 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -4,37 +4,51 @@ # USAGE='[--onto <newbase>] <upstream> [<branch>]' -LONG_USAGE='git-rebase applies to <upstream> (or optionally to <newbase>) commits -from <branch> that do not appear in <upstream>. When <branch> is not -specified it defaults to the current branch (HEAD). - -When git-rebase is complete, <branch> will be updated to point to the -newly created line of commit objects, so the previous line will not be -accessible unless there are other references to it already. - -Assuming the following history: - - A---B---C topic - / - D---E---F---G master - -The result of the following command: - - git-rebase --onto master~1 master topic - - would be: - - A'\''--B'\''--C'\'' topic - / - D---E---F---G master +LONG_USAGE='git-rebase replaces <branch> with a new branch of the +same name. When the --onto option is provided the new branch starts +out with a HEAD equal to <newbase>, otherwise it is equal to <upstream> +It then attempts to create a new commit for each commit from the original +<branch> that does not exist in the <upstream> branch. + +It is possible that a merge failure will prevent this process from being +completely automatic. You will have to resolve any such merge failure +and run git-rebase --continue. If you can not resolve the merge failure, +running git-rebase --abort will restore the original <branch> and remove +the working files found in the .dotest directory. + +Note that if <branch> is not specified on the command line, the +currently checked out branch is used. You must be in the top +directory of your project to start (or continue) a rebase. + +Example: git-rebase master~1 topic + + A---B---C topic A'\''--B'\''--C'\'' topic + / --> / + D---E---F---G master D---E---F---G master ' - . git-sh-setup unset newbase while case "$#" in 0) break ;; esac do case "$1" in + --continue) + diff=$(git-diff-files) + case "$diff" in + ?*) echo "You must edit all merge conflicts and then" + echo "mark them as resolved using git update-index" + exit 1 + ;; + esac + git am --resolved --3way + exit + ;; + --abort) + [ -d .dotest ] || die "No rebase in progress?" + git reset --hard ORIG_HEAD + rm -r .dotest + exit + ;; --onto) test 2 -le "$#" || usage newbase="$2" @@ -107,7 +121,7 @@ onto=$(git-rev-parse --verify "${onto_name}^0") || exit # Check if we are already based on $onto, but this should be # done only when upstream and onto are the same. -if test "$upstream" = "onto" +if test "$upstream" = "$onto" then mb=$(git-merge-base "$onto" "$branch") if test "$mb" = "$onto" diff --git a/git-send-email.perl b/git-send-email.perl index ecfa347b85..703dd1ff9e 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -291,6 +291,13 @@ sub send_message my $to = join (",\n\t", @recipients); @recipients = unique_email_list(@recipients,@cc); my $date = strftime('%a, %d %b %Y %H:%M:%S %z', localtime($time++)); + my $gitversion = '@@GIT_VERSION@@'; + if ($gitversion =~ m/..GIT_VERSION../) { + $gitversion = `git --version`; + chomp $gitversion; + # keep only what's after the last space + $gitversion =~ s/^.* //; + } my $header = "From: $from To: $to @@ -299,7 +306,7 @@ Subject: $subject Reply-To: $from Date: $date Message-Id: $message_id -X-Mailer: git-send-email @@GIT_VERSION@@ +X-Mailer: git-send-email $gitversion "; $header .= "In-Reply-To: $reply_to\n" if $reply_to; diff --git a/git-whatchanged.sh b/git-whatchanged.sh deleted file mode 100755 index 1fb9feb348..0000000000 --- a/git-whatchanged.sh +++ /dev/null @@ -1,28 +0,0 @@ -#!/bin/sh - -USAGE='[-p] [--max-count=<n>] [<since>..<limit>] [--pretty=<format>] [-m] [git-diff-tree options] [git-rev-list options]' -SUBDIRECTORY_OK='Yes' -. git-sh-setup - -diff_tree_flags=$(git-rev-parse --sq --no-revs --flags "$@") || exit -case "$0" in -*whatchanged) - count= - test -z "$diff_tree_flags" && - diff_tree_flags=$(git-repo-config --get whatchanged.difftree) - diff_tree_default_flags='-c -M --abbrev' ;; -*show) - count=-n1 - test -z "$diff_tree_flags" && - diff_tree_flags=$(git-repo-config --get show.difftree) - diff_tree_default_flags='--cc --always' ;; -esac -test -z "$diff_tree_flags" && - diff_tree_flags="$diff_tree_default_flags" - -rev_list_args=$(git-rev-parse --sq --default HEAD --revs-only "$@") && -diff_tree_args=$(git-rev-parse --sq --no-revs --no-flags "$@") && - -eval "git-rev-list $count $rev_list_args" | -eval "git-diff-tree --stdin --pretty -r $diff_tree_flags $diff_tree_args" | -LESS="$LESS -S" ${PAGER:-less} @@ -8,7 +8,6 @@ #include <errno.h> #include <limits.h> #include <stdarg.h> -#include <sys/ioctl.h> #include "git-compat-util.h" #include "exec_cmd.h" @@ -47,7 +46,10 @@ static void handle_internal_command(int argc, const char **argv, char **envp) { "log", cmd_log }, { "whatchanged", cmd_whatchanged }, { "show", cmd_show }, + { "push", cmd_push }, { "fmt-patch", cmd_format_patch }, + { "count-objects", cmd_count_objects }, + { "diff", cmd_diff }, }; int i; @@ -16,99 +16,112 @@ proc gitdir {} { } } -proc parse_args {rargs} { - global parsed_args - - if {[catch { - set parse_args [concat --default HEAD $rargs] - set parsed_args [split [eval exec git-rev-parse $parse_args] "\n"] - }]} { - # if git-rev-parse failed for some reason... - if {$rargs == {}} { - set rargs HEAD - } - set parsed_args $rargs - } - return $parsed_args -} - -proc start_rev_list {rlargs} { +proc start_rev_list {view} { global startmsecs nextupdate ncmupdate global commfd leftover tclencoding datemode + global viewargs viewfiles commitidx set startmsecs [clock clicks -milliseconds] set nextupdate [expr {$startmsecs + 100}] set ncmupdate 1 - initlayout + set commitidx($view) 0 + set args $viewargs($view) + if {$viewfiles($view) ne {}} { + set args [concat $args "--" $viewfiles($view)] + } set order "--topo-order" if {$datemode} { set order "--date-order" } if {[catch { - set commfd [open [concat | git-rev-list --header $order \ - --parents --boundary $rlargs] r] + set fd [open [concat | git-rev-list --header $order \ + --parents --boundary --default HEAD $args] r] } err]} { puts stderr "Error executing git-rev-list: $err" exit 1 } - set leftover {} - fconfigure $commfd -blocking 0 -translation lf + set commfd($view) $fd + set leftover($view) {} + fconfigure $fd -blocking 0 -translation lf if {$tclencoding != {}} { - fconfigure $commfd -encoding $tclencoding + fconfigure $fd -encoding $tclencoding + } + fileevent $fd readable [list getcommitlines $fd $view] + nowbusy $view +} + +proc stop_rev_list {} { + global commfd curview + + if {![info exists commfd($curview)]} return + set fd $commfd($curview) + catch { + set pid [pid $fd] + exec kill $pid } - fileevent $commfd readable [list getcommitlines $commfd] - . config -cursor watch - settextcursor watch + catch {close $fd} + unset commfd($curview) } -proc getcommits {rargs} { - global phase canv mainfont +proc getcommits {} { + global phase canv mainfont curview set phase getcommits - start_rev_list [parse_args $rargs] - $canv delete all - $canv create text 3 3 -anchor nw -text "Reading commits..." \ - -font $mainfont -tags textitems + initlayout + start_rev_list $curview + show_status "Reading commits..." } -proc getcommitlines {commfd} { +proc getcommitlines {fd view} { global commitlisted nextupdate - global leftover + global leftover commfd global displayorder commitidx commitrow commitdata - global parentlist childlist children + global parentlist childlist children curview hlview + global vparentlist vchildlist vdisporder vcmitlisted - set stuff [read $commfd] + set stuff [read $fd] if {$stuff == {}} { - if {![eof $commfd]} return + if {![eof $fd]} return + global viewname + unset commfd($view) + notbusy $view # set it blocking so we wait for the process to terminate - fconfigure $commfd -blocking 1 - if {![catch {close $commfd} err]} { - after idle finishcommits - return + fconfigure $fd -blocking 1 + if {[catch {close $fd} err]} { + set fv {} + if {$view != $curview} { + set fv " for the \"$viewname($view)\" view" + } + if {[string range $err 0 4] == "usage"} { + set err "Gitk: error reading commits$fv:\ + bad arguments to git-rev-list." + if {$viewname($view) eq "Command line"} { + append err \ + " (Note: arguments to gitk are passed to git-rev-list\ + to allow selection of commits to be displayed.)" + } + } else { + set err "Error reading commits$fv: $err" + } + error_popup $err } - if {[string range $err 0 4] == "usage"} { - set err \ - "Gitk: error reading commits: bad arguments to git-rev-list.\ - (Note: arguments to gitk are passed to git-rev-list\ - to allow selection of commits to be displayed.)" - } else { - set err "Error reading commits: $err" + if {$view == $curview} { + after idle finishcommits } - error_popup $err - exit 1 + return } set start 0 set gotsome 0 while 1 { set i [string first "\0" $stuff $start] if {$i < 0} { - append leftover [string range $stuff $start end] + append leftover($view) [string range $stuff $start end] break } if {$start == 0} { - set cmit $leftover + set cmit $leftover($view) append cmit [string range $stuff 0 [expr {$i - 1}]] - set leftover {} + set leftover($view) {} } else { set cmit [string range $stuff $start [expr {$i - 1}]] } @@ -141,41 +154,52 @@ proc getcommitlines {commfd} { set id [lindex $ids 0] if {$listed} { set olds [lrange $ids 1 end] - if {[llength $olds] > 1} { - set olds [lsort -unique $olds] - } + set i 0 foreach p $olds { - lappend children($p) $id + if {$i == 0 || [lsearch -exact $olds $p] >= $i} { + lappend children($view,$p) $id + } + incr i } } else { set olds {} } - lappend parentlist $olds - if {[info exists children($id)]} { - lappend childlist $children($id) - } else { - lappend childlist {} + if {![info exists children($view,$id)]} { + set children($view,$id) {} } set commitdata($id) [string range $cmit [expr {$j + 1}] end] - set commitrow($id) $commitidx - incr commitidx - lappend displayorder $id - lappend commitlisted $listed + set commitrow($view,$id) $commitidx($view) + incr commitidx($view) + if {$view == $curview} { + lappend parentlist $olds + lappend childlist $children($view,$id) + lappend displayorder $id + lappend commitlisted $listed + } else { + lappend vparentlist($view) $olds + lappend vchildlist($view) $children($view,$id) + lappend vdisporder($view) $id + lappend vcmitlisted($view) $listed + } set gotsome 1 } if {$gotsome} { - layoutmore + if {$view == $curview} { + layoutmore + } elseif {[info exists hlview] && $view == $hlview} { + highlightmore + } } if {[clock clicks -milliseconds] >= $nextupdate} { - doupdate 1 + doupdate } } -proc doupdate {reading} { +proc doupdate {} { global commfd nextupdate numcommits ncmupdate - if {$reading} { - fileevent $commfd readable {} + foreach v [array names commfd] { + fileevent $commfd($v) readable {} } update set nextupdate [expr {[clock clicks -milliseconds] + 100}] @@ -186,8 +210,9 @@ proc doupdate {reading} { } else { set ncmupdate [expr {$numcommits + 100}] } - if {$reading} { - fileevent $commfd readable [list getcommitlines $commfd] + foreach v [array names commfd] { + set fd $commfd($v) + fileevent $fd readable [list getcommitlines $fd $v] } } @@ -196,18 +221,23 @@ proc readcommit {id} { parsecommit $id $contents 0 } -proc updatecommits {rargs} { - stopfindproc - foreach v {colormap selectedline matchinglines treediffs - mergefilelist currentid rowtextx commitrow - rowidlist rowoffsets idrowranges idrangedrawn iddrawn - linesegends crossings cornercrossings} { - global $v - catch {unset $v} +proc updatecommits {} { + global viewdata curview phase displayorder + global children commitrow + + if {$phase ne {}} { + stop_rev_list + set phase {} } - allcanvs delete all + set n $curview + foreach id $displayorder { + catch {unset children($n,$id)} + catch {unset commitrow($n,$id)} + } + set curview -1 + catch {unset viewdata($n)} readrefs - getcommits $rargs + showview $n } proc parsecommit {id contents listed} { @@ -290,10 +320,16 @@ proc readrefs {} { match id path]} { continue } + if {[regexp {^remotes/.*/HEAD$} $path match]} { + continue + } if {![regexp {^(tags|heads)/(.*)$} $path match type name]} { set type others set name $path } + if {[regexp {^remotes/} $path match]} { + set type heads + } if {$type == "tags"} { set tagids($name) $id lappend idtags($id) $name @@ -321,10 +357,7 @@ proc readrefs {} { close $refd } -proc error_popup msg { - set w .error - toplevel $w - wm transient $w . +proc show_error {w msg} { message $w.m -text $msg -justify center -aspect 400 pack $w.m -side top -fill x -padx 20 -pady 20 button $w.ok -text OK -command "destroy $w" @@ -334,8 +367,16 @@ proc error_popup msg { tkwait window $w } -proc makewindow {rargs} { - global canv canv2 canv3 linespc charspc ctext cflist textfont mainfont uifont +proc error_popup msg { + set w .error + toplevel $w + wm transient $w . + show_error $w $msg +} + +proc makewindow {} { + global canv canv2 canv3 linespc charspc ctext cflist + global textfont mainfont uifont global findtype findtypemenu findloc findstring fstring geometry global entries sha1entry sha1string sha1but global maincursor textcursor curtextcursor @@ -345,7 +386,7 @@ proc makewindow {rargs} { .bar add cascade -label "File" -menu .bar.file .bar configure -font $uifont menu .bar.file - .bar.file add command -label "Update" -command [list updatecommits $rargs] + .bar.file add command -label "Update" -command updatecommits .bar.file add command -label "Reread references" -command rereadrefs .bar.file add command -label "Quit" -command doquit .bar.file configure -font $uifont @@ -353,6 +394,23 @@ proc makewindow {rargs} { .bar add cascade -label "Edit" -menu .bar.edit .bar.edit add command -label "Preferences" -command doprefs .bar.edit configure -font $uifont + + menu .bar.view -font $uifont + menu .bar.view.hl -font $uifont -tearoff 0 + .bar add cascade -label "View" -menu .bar.view + .bar.view add command -label "New view..." -command {newview 0} + .bar.view add command -label "Edit view..." -command editview \ + -state disabled + .bar.view add command -label "Delete view" -command delview -state disabled + .bar.view add cascade -label "Highlight" -menu .bar.view.hl + .bar.view add separator + .bar.view add radiobutton -label "All files" -command {showview 0} \ + -variable selectedview -value 0 + .bar.view.hl add command -label "New view..." -command {newview 1} + .bar.view.hl add command -label "Remove" -command delhighlight \ + -state disabled + .bar.view.hl add separator + menu .bar.help .bar add cascade -label "Help" -menu .bar.help .bar.help add command -label "About gitk" -command about @@ -463,7 +521,7 @@ proc makewindow {rargs} { set ctext .ctop.cdet.left.ctext text $ctext -bg white -state disabled -font $textfont \ -width $geometry(ctextw) -height $geometry(ctexth) \ - -yscrollcommand ".ctop.cdet.left.sb set" -wrap none + -yscrollcommand {.ctop.cdet.left.sb set} -wrap none scrollbar .ctop.cdet.left.sb -command "$ctext yview" pack .ctop.cdet.left.sb -side right -fill y pack $ctext -side left -fill both -expand 1 @@ -496,12 +554,25 @@ proc makewindow {rargs} { $ctext tag conf found -back yellow frame .ctop.cdet.right + frame .ctop.cdet.right.mode + radiobutton .ctop.cdet.right.mode.patch -text "Patch" \ + -command reselectline -variable cmitmode -value "patch" + radiobutton .ctop.cdet.right.mode.tree -text "Tree" \ + -command reselectline -variable cmitmode -value "tree" + grid .ctop.cdet.right.mode.patch .ctop.cdet.right.mode.tree -sticky ew + pack .ctop.cdet.right.mode -side top -fill x set cflist .ctop.cdet.right.cfiles - listbox $cflist -bg white -selectmode extended -width $geometry(cflistw) \ - -yscrollcommand ".ctop.cdet.right.sb set" -font $mainfont + set indent [font measure $mainfont "nn"] + text $cflist -width $geometry(cflistw) -background white -font $mainfont \ + -tabs [list $indent [expr {2 * $indent}]] \ + -yscrollcommand ".ctop.cdet.right.sb set" \ + -cursor [. cget -cursor] \ + -spacing1 1 -spacing3 1 scrollbar .ctop.cdet.right.sb -command "$cflist yview" pack .ctop.cdet.right.sb -side right -fill y pack $cflist -side left -fill both -expand 1 + $cflist tag configure highlight \ + -background [$cflist cget -selectbackground] .ctop.cdet add .ctop.cdet.right bind .ctop.cdet <Configure> {resizecdetpanes %W %w} @@ -553,12 +624,14 @@ proc makewindow {rargs} { bind . <Control-KP_Add> {incrfont 1} bind . <Control-minus> {incrfont -1} bind . <Control-KP_Subtract> {incrfont -1} - bind $cflist <<ListboxSelect>> listboxsel bind . <Destroy> {savestuff %W} bind . <Button-1> "click %W" bind $fstring <Key-Return> dofind bind $sha1entry <Key-Return> gotocommit bind $sha1entry <<PasteSelection>> clearsha1 + bind $cflist <1> {sel_flist %W %x %y; break} + bind $cflist <B1-Motion> {sel_flist %W %x %y; break} + bind $cflist <ButtonRelease-1> {treeclick %W %x %y} set maincursor [. cget -cursor] set textcursor [$ctext cget -cursor] @@ -622,6 +695,8 @@ proc savestuff {w} { global canv canv2 canv3 ctext cflist mainfont textfont uifont global stuffsaved findmergefiles maxgraphpct global maxwidth + global viewname viewfiles viewargs viewperm nextviewnum + global cmitmode if {$stuffsaved} return if {![winfo viewable .]} return @@ -633,6 +708,7 @@ proc savestuff {w} { puts $f [list set findmergefiles $findmergefiles] puts $f [list set maxgraphpct $maxgraphpct] puts $f [list set maxwidth $maxwidth] + puts $f [list set cmitmode $cmitmode] puts $f "set geometry(width) [winfo width .ctop]" puts $f "set geometry(height) [winfo height .ctop]" puts $f "set geometry(canv1) [expr {[winfo width $canv]-2}]" @@ -645,6 +721,13 @@ proc savestuff {w} { set wid [expr {([winfo width $cflist] - 11) \ / [font measure [$cflist cget -font] "0"]}] puts $f "set geometry(cflistw) $wid" + puts -nonewline $f "set permviews {" + for {set v 0} {$v < $nextviewnum} {incr v} { + if {$viewperm($v)} { + puts $f "{[list $viewname($v) $viewfiles($v) $viewargs($v)]}" + } + } + puts $f "}" close $f file rename -force "~/.gitk-new" "~/.gitk" } @@ -786,6 +869,754 @@ f Scroll diff view to next file pack $w.ok -side bottom } +# Procedures for manipulating the file list window at the +# bottom right of the overall window. + +proc treeview {w l openlevs} { + global treecontents treediropen treeheight treeparent treeindex + + set ix 0 + set treeindex() 0 + set lev 0 + set prefix {} + set prefixend -1 + set prefendstack {} + set htstack {} + set ht 0 + set treecontents() {} + $w conf -state normal + foreach f $l { + while {[string range $f 0 $prefixend] ne $prefix} { + if {$lev <= $openlevs} { + $w mark set e:$treeindex($prefix) "end -1c" + $w mark gravity e:$treeindex($prefix) left + } + set treeheight($prefix) $ht + incr ht [lindex $htstack end] + set htstack [lreplace $htstack end end] + set prefixend [lindex $prefendstack end] + set prefendstack [lreplace $prefendstack end end] + set prefix [string range $prefix 0 $prefixend] + incr lev -1 + } + set tail [string range $f [expr {$prefixend+1}] end] + while {[set slash [string first "/" $tail]] >= 0} { + lappend htstack $ht + set ht 0 + lappend prefendstack $prefixend + incr prefixend [expr {$slash + 1}] + set d [string range $tail 0 $slash] + lappend treecontents($prefix) $d + set oldprefix $prefix + append prefix $d + set treecontents($prefix) {} + set treeindex($prefix) [incr ix] + set treeparent($prefix) $oldprefix + set tail [string range $tail [expr {$slash+1}] end] + if {$lev <= $openlevs} { + set ht 1 + set treediropen($prefix) [expr {$lev < $openlevs}] + set bm [expr {$lev == $openlevs? "tri-rt": "tri-dn"}] + $w mark set d:$ix "end -1c" + $w mark gravity d:$ix left + set str "\n" + for {set i 0} {$i < $lev} {incr i} {append str "\t"} + $w insert end $str + $w image create end -align center -image $bm -padx 1 \ + -name a:$ix + $w insert end $d + $w mark set s:$ix "end -1c" + $w mark gravity s:$ix left + } + incr lev + } + if {$tail ne {}} { + if {$lev <= $openlevs} { + incr ht + set str "\n" + for {set i 0} {$i < $lev} {incr i} {append str "\t"} + $w insert end $str + $w insert end $tail + } + lappend treecontents($prefix) $tail + } + } + while {$htstack ne {}} { + set treeheight($prefix) $ht + incr ht [lindex $htstack end] + set htstack [lreplace $htstack end end] + } + $w conf -state disabled +} + +proc linetoelt {l} { + global treeheight treecontents + + set y 2 + set prefix {} + while {1} { + foreach e $treecontents($prefix) { + if {$y == $l} { + return "$prefix$e" + } + set n 1 + if {[string index $e end] eq "/"} { + set n $treeheight($prefix$e) + if {$y + $n > $l} { + append prefix $e + incr y + break + } + } + incr y $n + } + } +} + +proc treeclosedir {w dir} { + global treediropen treeheight treeparent treeindex + + set ix $treeindex($dir) + $w conf -state normal + $w delete s:$ix e:$ix + set treediropen($dir) 0 + $w image configure a:$ix -image tri-rt + $w conf -state disabled + set n [expr {1 - $treeheight($dir)}] + while {$dir ne {}} { + incr treeheight($dir) $n + set dir $treeparent($dir) + } +} + +proc treeopendir {w dir} { + global treediropen treeheight treeparent treecontents treeindex + + set ix $treeindex($dir) + $w conf -state normal + $w image configure a:$ix -image tri-dn + $w mark set e:$ix s:$ix + $w mark gravity e:$ix right + set lev 0 + set str "\n" + set n [llength $treecontents($dir)] + for {set x $dir} {$x ne {}} {set x $treeparent($x)} { + incr lev + append str "\t" + incr treeheight($x) $n + } + foreach e $treecontents($dir) { + if {[string index $e end] eq "/"} { + set de $dir$e + set iy $treeindex($de) + $w mark set d:$iy e:$ix + $w mark gravity d:$iy left + $w insert e:$ix $str + set treediropen($de) 0 + $w image create e:$ix -align center -image tri-rt -padx 1 \ + -name a:$iy + $w insert e:$ix $e + $w mark set s:$iy e:$ix + $w mark gravity s:$iy left + set treeheight($de) 1 + } else { + $w insert e:$ix $str + $w insert e:$ix $e + } + } + $w mark gravity e:$ix left + $w conf -state disabled + set treediropen($dir) 1 + set top [lindex [split [$w index @0,0] .] 0] + set ht [$w cget -height] + set l [lindex [split [$w index s:$ix] .] 0] + if {$l < $top} { + $w yview $l.0 + } elseif {$l + $n + 1 > $top + $ht} { + set top [expr {$l + $n + 2 - $ht}] + if {$l < $top} { + set top $l + } + $w yview $top.0 + } +} + +proc treeclick {w x y} { + global treediropen cmitmode ctext cflist cflist_top + + if {$cmitmode ne "tree"} return + if {![info exists cflist_top]} return + set l [lindex [split [$w index "@$x,$y"] "."] 0] + $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend" + $cflist tag add highlight $l.0 "$l.0 lineend" + set cflist_top $l + if {$l == 1} { + $ctext yview 1.0 + return + } + set e [linetoelt $l] + if {[string index $e end] ne "/"} { + showfile $e + } elseif {$treediropen($e)} { + treeclosedir $w $e + } else { + treeopendir $w $e + } +} + +proc setfilelist {id} { + global treefilelist cflist + + treeview $cflist $treefilelist($id) 0 +} + +image create bitmap tri-rt -background black -foreground blue -data { + #define tri-rt_width 13 + #define tri-rt_height 13 + static unsigned char tri-rt_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x30, 0x00, 0x70, 0x00, 0xf0, 0x00, + 0xf0, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x30, 0x00, 0x10, 0x00, 0x00, 0x00, + 0x00, 0x00}; +} -maskdata { + #define tri-rt-mask_width 13 + #define tri-rt-mask_height 13 + static unsigned char tri-rt-mask_bits[] = { + 0x08, 0x00, 0x18, 0x00, 0x38, 0x00, 0x78, 0x00, 0xf8, 0x00, 0xf8, 0x01, + 0xf8, 0x03, 0xf8, 0x01, 0xf8, 0x00, 0x78, 0x00, 0x38, 0x00, 0x18, 0x00, + 0x08, 0x00}; +} +image create bitmap tri-dn -background black -foreground blue -data { + #define tri-dn_width 13 + #define tri-dn_height 13 + static unsigned char tri-dn_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x07, 0xf8, 0x03, + 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00}; +} -maskdata { + #define tri-dn-mask_width 13 + #define tri-dn-mask_height 13 + static unsigned char tri-dn-mask_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0xfe, 0x0f, 0xfc, 0x07, + 0xf8, 0x03, 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00}; +} + +proc init_flist {first} { + global cflist cflist_top selectedline difffilestart + + $cflist conf -state normal + $cflist delete 0.0 end + if {$first ne {}} { + $cflist insert end $first + set cflist_top 1 + $cflist tag add highlight 1.0 "1.0 lineend" + } else { + catch {unset cflist_top} + } + $cflist conf -state disabled + set difffilestart {} +} + +proc add_flist {fl} { + global flistmode cflist + + $cflist conf -state normal + if {$flistmode eq "flat"} { + foreach f $fl { + $cflist insert end "\n$f" + } + } + $cflist conf -state disabled +} + +proc sel_flist {w x y} { + global flistmode ctext difffilestart cflist cflist_top cmitmode + + if {$cmitmode eq "tree"} return + if {![info exists cflist_top]} return + set l [lindex [split [$w index "@$x,$y"] "."] 0] + $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend" + $cflist tag add highlight $l.0 "$l.0 lineend" + set cflist_top $l + if {$l == 1} { + $ctext yview 1.0 + } else { + catch {$ctext yview [lindex $difffilestart [expr {$l - 2}]]} + } +} + +# Functions for adding and removing shell-type quoting + +proc shellquote {str} { + if {![string match "*\['\"\\ \t]*" $str]} { + return $str + } + if {![string match "*\['\"\\]*" $str]} { + return "\"$str\"" + } + if {![string match "*'*" $str]} { + return "'$str'" + } + return "\"[string map {\" \\\" \\ \\\\} $str]\"" +} + +proc shellarglist {l} { + set str {} + foreach a $l { + if {$str ne {}} { + append str " " + } + append str [shellquote $a] + } + return $str +} + +proc shelldequote {str} { + set ret {} + set used -1 + while {1} { + incr used + if {![regexp -start $used -indices "\['\"\\\\ \t]" $str first]} { + append ret [string range $str $used end] + set used [string length $str] + break + } + set first [lindex $first 0] + set ch [string index $str $first] + if {$first > $used} { + append ret [string range $str $used [expr {$first - 1}]] + set used $first + } + if {$ch eq " " || $ch eq "\t"} break + incr used + if {$ch eq "'"} { + set first [string first "'" $str $used] + if {$first < 0} { + error "unmatched single-quote" + } + append ret [string range $str $used [expr {$first - 1}]] + set used $first + continue + } + if {$ch eq "\\"} { + if {$used >= [string length $str]} { + error "trailing backslash" + } + append ret [string index $str $used] + continue + } + # here ch == "\"" + while {1} { + if {![regexp -start $used -indices "\[\"\\\\]" $str first]} { + error "unmatched double-quote" + } + set first [lindex $first 0] + set ch [string index $str $first] + if {$first > $used} { + append ret [string range $str $used [expr {$first - 1}]] + set used $first + } + if {$ch eq "\""} break + incr used + append ret [string index $str $used] + incr used + } + } + return [list $used $ret] +} + +proc shellsplit {str} { + set l {} + while {1} { + set str [string trimleft $str] + if {$str eq {}} break + set dq [shelldequote $str] + set n [lindex $dq 0] + set word [lindex $dq 1] + set str [string range $str $n end] + lappend l $word + } + return $l +} + +# Code to implement multiple views + +proc newview {ishighlight} { + global nextviewnum newviewname newviewperm uifont newishighlight + global newviewargs revtreeargs + + set newishighlight $ishighlight + set top .gitkview + if {[winfo exists $top]} { + raise $top + return + } + set newviewname($nextviewnum) "View $nextviewnum" + set newviewperm($nextviewnum) 0 + set newviewargs($nextviewnum) [shellarglist $revtreeargs] + vieweditor $top $nextviewnum "Gitk view definition" +} + +proc editview {} { + global curview + global viewname viewperm newviewname newviewperm + global viewargs newviewargs + + set top .gitkvedit-$curview + if {[winfo exists $top]} { + raise $top + return + } + set newviewname($curview) $viewname($curview) + set newviewperm($curview) $viewperm($curview) + set newviewargs($curview) [shellarglist $viewargs($curview)] + vieweditor $top $curview "Gitk: edit view $viewname($curview)" +} + +proc vieweditor {top n title} { + global newviewname newviewperm viewfiles + global uifont + + toplevel $top + wm title $top $title + label $top.nl -text "Name" -font $uifont + entry $top.name -width 20 -textvariable newviewname($n) + grid $top.nl $top.name -sticky w -pady 5 + checkbutton $top.perm -text "Remember this view" -variable newviewperm($n) + grid $top.perm - -pady 5 -sticky w + message $top.al -aspect 1000 -font $uifont \ + -text "Commits to include (arguments to git-rev-list):" + grid $top.al - -sticky w -pady 5 + entry $top.args -width 50 -textvariable newviewargs($n) \ + -background white + grid $top.args - -sticky ew -padx 5 + message $top.l -aspect 1000 -font $uifont \ + -text "Enter files and directories to include, one per line:" + grid $top.l - -sticky w + text $top.t -width 40 -height 10 -background white + if {[info exists viewfiles($n)]} { + foreach f $viewfiles($n) { + $top.t insert end $f + $top.t insert end "\n" + } + $top.t delete {end - 1c} end + $top.t mark set insert 0.0 + } + grid $top.t - -sticky ew -padx 5 + frame $top.buts + button $top.buts.ok -text "OK" -command [list newviewok $top $n] + button $top.buts.can -text "Cancel" -command [list destroy $top] + grid $top.buts.ok $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.t +} + +proc doviewmenu {m first cmd op args} { + set nmenu [$m index end] + for {set i $first} {$i <= $nmenu} {incr i} { + if {[$m entrycget $i -command] eq $cmd} { + eval $m $op $i $args + break + } + } +} + +proc allviewmenus {n op args} { + doviewmenu .bar.view 7 [list showview $n] $op $args + doviewmenu .bar.view.hl 3 [list addhighlight $n] $op $args +} + +proc newviewok {top n} { + global nextviewnum newviewperm newviewname newishighlight + global viewname viewfiles viewperm selectedview curview + global viewargs newviewargs + + if {[catch { + set newargs [shellsplit $newviewargs($n)] + } err]} { + error_popup "Error in commit selection arguments: $err" + wm raise $top + focus $top + return + } + set files {} + foreach f [split [$top.t get 0.0 end] "\n"] { + set ft [string trim $f] + if {$ft ne {}} { + lappend files $ft + } + } + if {![info exists viewfiles($n)]} { + # creating a new view + incr nextviewnum + set viewname($n) $newviewname($n) + set viewperm($n) $newviewperm($n) + set viewfiles($n) $files + set viewargs($n) $newargs + addviewmenu $n + if {!$newishighlight} { + after idle showview $n + } else { + after idle addhighlight $n + } + } else { + # editing an existing view + set viewperm($n) $newviewperm($n) + if {$newviewname($n) ne $viewname($n)} { + set viewname($n) $newviewname($n) + allviewmenus $n entryconf -label $viewname($n) + } + if {$files ne $viewfiles($n) || $newargs ne $viewargs($n)} { + set viewfiles($n) $files + set viewargs($n) $newargs + if {$curview == $n} { + after idle updatecommits + } + } + } + catch {destroy $top} +} + +proc delview {} { + global curview viewdata viewperm + + if {$curview == 0} return + allviewmenus $curview delete + set viewdata($curview) {} + set viewperm($curview) 0 + showview 0 +} + +proc addviewmenu {n} { + global viewname + + .bar.view add radiobutton -label $viewname($n) \ + -command [list showview $n] -variable selectedview -value $n + .bar.view.hl add radiobutton -label $viewname($n) \ + -command [list addhighlight $n] -variable selectedhlview -value $n +} + +proc flatten {var} { + global $var + + set ret {} + foreach i [array names $var] { + lappend ret $i [set $var\($i\)] + } + return $ret +} + +proc unflatten {var l} { + global $var + + catch {unset $var} + foreach {i v} $l { + set $var\($i\) $v + } +} + +proc showview {n} { + global curview viewdata viewfiles + global displayorder parentlist childlist rowidlist rowoffsets + global colormap rowtextx commitrow nextcolor canvxmax + global numcommits rowrangelist commitlisted idrowranges + global selectedline currentid canv canvy0 + global matchinglines treediffs + global pending_select phase + global commitidx rowlaidout rowoptim linesegends + global commfd nextupdate + global selectedview hlview selectedhlview + global vparentlist vchildlist vdisporder vcmitlisted + + if {$n == $curview} return + set selid {} + if {[info exists selectedline]} { + set selid $currentid + set y [yc $selectedline] + set ymax [lindex [$canv cget -scrollregion] 3] + set span [$canv yview] + set ytop [expr {[lindex $span 0] * $ymax}] + set ybot [expr {[lindex $span 1] * $ymax}] + if {$ytop < $y && $y < $ybot} { + set yscreen [expr {$y - $ytop}] + } else { + set yscreen [expr {($ybot - $ytop) / 2}] + } + } + unselectline + normalline + stopfindproc + if {$curview >= 0} { + set vparentlist($curview) $parentlist + set vchildlist($curview) $childlist + set vdisporder($curview) $displayorder + set vcmitlisted($curview) $commitlisted + if {$phase ne {}} { + set viewdata($curview) \ + [list $phase $rowidlist $rowoffsets $rowrangelist \ + [flatten idrowranges] [flatten idinlist] \ + $rowlaidout $rowoptim $numcommits $linesegends] + } elseif {![info exists viewdata($curview)] + || [lindex $viewdata($curview) 0] ne {}} { + set viewdata($curview) \ + [list {} $rowidlist $rowoffsets $rowrangelist] + } + } + catch {unset matchinglines} + catch {unset treediffs} + clear_display + + set curview $n + set selectedview $n + set selectedhlview -1 + .bar.view entryconf 2 -state [expr {$n == 0? "disabled": "normal"}] + .bar.view entryconf 3 -state [expr {$n == 0? "disabled": "normal"}] + catch {unset hlview} + .bar.view.hl entryconf 1 -state disabled + + if {![info exists viewdata($n)]} { + set pending_select $selid + getcommits + return + } + + set v $viewdata($n) + set phase [lindex $v 0] + set displayorder $vdisporder($n) + set parentlist $vparentlist($n) + set childlist $vchildlist($n) + set commitlisted $vcmitlisted($n) + set rowidlist [lindex $v 1] + set rowoffsets [lindex $v 2] + set rowrangelist [lindex $v 3] + if {$phase eq {}} { + set numcommits [llength $displayorder] + catch {unset idrowranges} + } else { + unflatten idrowranges [lindex $v 4] + unflatten idinlist [lindex $v 5] + set rowlaidout [lindex $v 6] + set rowoptim [lindex $v 7] + set numcommits [lindex $v 8] + set linesegends [lindex $v 9] + } + + catch {unset colormap} + catch {unset rowtextx} + set nextcolor 0 + set canvxmax [$canv cget -width] + set curview $n + set row 0 + setcanvscroll + set yf 0 + set row 0 + if {$selid ne {} && [info exists commitrow($n,$selid)]} { + set row $commitrow($n,$selid) + # try to get the selected row in the same position on the screen + set ymax [lindex [$canv cget -scrollregion] 3] + set ytop [expr {[yc $row] - $yscreen}] + if {$ytop < 0} { + set ytop 0 + } + set yf [expr {$ytop * 1.0 / $ymax}] + } + allcanvs yview moveto $yf + drawvisible + selectline $row 0 + if {$phase ne {}} { + if {$phase eq "getcommits"} { + show_status "Reading commits..." + } + if {[info exists commfd($n)]} { + layoutmore + } else { + finishcommits + } + } elseif {$numcommits == 0} { + show_status "No commits selected" + } +} + +proc addhighlight {n} { + global hlview curview viewdata highlighted highlightedrows + global selectedhlview + + if {[info exists hlview]} { + delhighlight + } + set hlview $n + set selectedhlview $n + .bar.view.hl entryconf 1 -state normal + set highlighted($n) 0 + set highlightedrows {} + if {$n != $curview && ![info exists viewdata($n)]} { + set viewdata($n) [list getcommits {{}} {{}} {} {} {} 0 0 0 {}] + set vparentlist($n) {} + set vchildlist($n) {} + set vdisporder($n) {} + set vcmitlisted($n) {} + start_rev_list $n + } else { + highlightmore + } +} + +proc delhighlight {} { + global hlview highlightedrows canv linehtag mainfont + global selectedhlview selectedline + + if {![info exists hlview]} return + unset hlview + set selectedhlview {} + .bar.view.hl entryconf 1 -state disabled + foreach l $highlightedrows { + $canv itemconf $linehtag($l) -font $mainfont + if {$l == $selectedline} { + $canv delete secsel + set t [eval $canv create rect [$canv bbox $linehtag($l)] \ + -outline {{}} -tags secsel \ + -fill [$canv cget -selectbackground]] + $canv lower $t + } + } +} + +proc highlightmore {} { + global hlview highlighted commitidx highlightedrows linehtag mainfont + global displayorder vdisporder curview canv commitrow selectedline + + set font [concat $mainfont bold] + set max $commitidx($hlview) + if {$hlview == $curview} { + set disp $displayorder + } else { + set disp $vdisporder($hlview) + } + for {set i $highlighted($hlview)} {$i < $max} {incr i} { + set id [lindex $disp $i] + if {[info exists commitrow($curview,$id)]} { + set row $commitrow($curview,$id) + if {[info exists linehtag($row)]} { + $canv itemconf $linehtag($row) -font $font + lappend highlightedrows $row + if {$row == $selectedline} { + $canv delete secsel + set t [eval $canv create rect \ + [$canv bbox $linehtag($row)] \ + -outline {{}} -tags secsel \ + -fill [$canv cget -selectbackground]] + $canv lower $t + } + } + } + } + set highlighted($hlview) $max +} + +# Graph layout functions + proc shortids {ids} { set res {} foreach id $ids { @@ -821,20 +1652,21 @@ proc ntimes {n o} { } proc usedinrange {id l1 l2} { - global children commitrow + global children commitrow childlist curview - if {[info exists commitrow($id)]} { - set r $commitrow($id) + if {[info exists commitrow($curview,$id)]} { + set r $commitrow($curview,$id) if {$l1 <= $r && $r <= $l2} { return [expr {$r - $l1 + 1}] } + set kids [lindex $childlist $r] + } else { + set kids $children($curview,$id) } - foreach c $children($id) { - if {[info exists commitrow($c)]} { - set r $commitrow($c) - if {$l1 <= $r && $r <= $l2} { - return [expr {$r - $l1 + 1}] - } + foreach c $kids { + set r $commitrow($curview,$c) + if {$l1 <= $r && $r <= $l2} { + return [expr {$r - $l1 + 1}] } } return 0 @@ -902,18 +1734,19 @@ proc makeuparrow {oid x y z} { proc initlayout {} { global rowidlist rowoffsets displayorder commitlisted global rowlaidout rowoptim - global idinlist rowchk - global commitidx numcommits canvxmax canv + global idinlist rowchk rowrangelist idrowranges + global numcommits canvxmax canv global nextcolor global parentlist childlist children + global colormap rowtextx + global linesegends - set commitidx 0 set numcommits 0 set displayorder {} set commitlisted {} set parentlist {} set childlist {} - catch {unset children} + set rowrangelist {} set nextcolor 0 set rowidlist {{}} set rowoffsets {{}} @@ -922,6 +1755,10 @@ proc initlayout {} { set rowlaidout 0 set rowoptim 0 set canvxmax [$canv cget -width] + catch {unset colormap} + catch {unset rowtextx} + catch {unset idrowranges} + set linesegends {} } proc setcanvscroll {} { @@ -954,13 +1791,12 @@ proc visiblerows {} { proc layoutmore {} { global rowlaidout rowoptim commitidx numcommits optim_delay - global uparrowlen + global uparrowlen curview set row $rowlaidout - set rowlaidout [layoutrows $row $commitidx 0] + set rowlaidout [layoutrows $row $commitidx($curview) 0] set orow [expr {$rowlaidout - $uparrowlen - 1}] if {$orow > $rowoptim} { - checkcrossings $rowoptim $orow optimize_rows $rowoptim 0 $orow set rowoptim $orow } @@ -971,8 +1807,8 @@ proc layoutmore {} { } proc showstuff {canshow} { - global numcommits - global linesegends idrowranges idrangedrawn + global numcommits commitrow pending_select selectedline + global linesegends idrowranges idrangedrawn curview if {$numcommits == 0} { global phase @@ -985,17 +1821,16 @@ proc showstuff {canshow} { set rows [visiblerows] set r0 [lindex $rows 0] set r1 [lindex $rows 1] + set selrow -1 for {set r $row} {$r < $canshow} {incr r} { - if {[info exists linesegends($r)]} { - foreach id $linesegends($r) { - set i -1 - foreach {s e} $idrowranges($id) { - incr i - if {$e ne {} && $e < $numcommits && $s <= $r1 && $e >= $r0 - && ![info exists idrangedrawn($id,$i)]} { - drawlineseg $id $i - set idrangedrawn($id,$i) 1 - } + foreach id [lindex $linesegends [expr {$r+1}]] { + set i -1 + foreach {s e} [rowranges $id] { + incr i + if {$e ne {} && $e < $numcommits && $s <= $r1 && $e >= $r0 + && ![info exists idrangedrawn($id,$i)]} { + drawlineseg $id $i + set idrangedrawn($id,$i) 1 } } } @@ -1007,6 +1842,14 @@ proc showstuff {canshow} { drawcmitrow $row incr row } + if {[info exists pending_select] && + [info exists commitrow($curview,$pending_select)] && + $commitrow($curview,$pending_select) < $numcommits} { + selectline $commitrow($curview,$pending_select) 1 + } + if {![info exists selectedline] && ![info exists pending_select]} { + selectline 0 1 + } } proc layoutrows {row endrow last} { @@ -1014,8 +1857,8 @@ proc layoutrows {row endrow last} { global uparrowlen downarrowlen maxwidth mingaplen global childlist parentlist global idrowranges linesegends - global commitidx - global idinlist rowchk + global commitidx curview + global idinlist rowchk rowrangelist set idlist [lindex $rowidlist $row] set offs [lindex $rowoffsets $row] @@ -1030,10 +1873,12 @@ proc layoutrows {row endrow last} { lappend oldolds $p } } + set lse {} set nev [expr {[llength $idlist] + [llength $newolds] + [llength $oldolds] - $maxwidth + 1}] if {$nev > 0} { - if {!$last && $row + $uparrowlen + $mingaplen >= $commitidx} break + if {!$last && + $row + $uparrowlen + $mingaplen >= $commitidx($curview)} break for {set x [llength $idlist]} {[incr x -1] >= 0} {} { set i [lindex $idlist $x] if {![info exists rowchk($i)] || $row >= $rowchk($i)} { @@ -1045,7 +1890,7 @@ proc layoutrows {row endrow last} { set offs [incrange $offs $x 1] set idinlist($i) 0 set rm1 [expr {$row - 1}] - lappend linesegends($rm1) $i + lappend lse $i lappend idrowranges($i) $rm1 if {[incr nev -1] <= 0} break continue @@ -1056,6 +1901,7 @@ proc layoutrows {row endrow last} { lset rowidlist $row $idlist lset rowoffsets $row $offs } + lappend linesegends $lse set col [lsearch -exact $idlist $id] if {$col < 0} { set col [llength $idlist] @@ -1074,9 +1920,13 @@ proc layoutrows {row endrow last} { } else { unset idinlist($id) } + set ranges {} if {[info exists idrowranges($id)]} { - lappend idrowranges($id) $row + set ranges $idrowranges($id) + lappend ranges $row + unset idrowranges($id) } + lappend rowrangelist $ranges incr row set offs [ntimes [llength $idlist] 0] set l [llength $newolds] @@ -1117,29 +1967,28 @@ proc layoutrows {row endrow last} { proc addextraid {id row} { global displayorder commitrow commitinfo global commitidx commitlisted - global parentlist childlist children + global parentlist childlist children curview - incr commitidx + incr commitidx($curview) lappend displayorder $id lappend commitlisted 0 lappend parentlist {} - set commitrow($id) $row + set commitrow($curview,$id) $row readcommit $id if {![info exists commitinfo($id)]} { set commitinfo($id) {"No commit information available"} } - if {[info exists children($id)]} { - lappend childlist $children($id) - } else { - lappend childlist {} + if {![info exists children($curview,$id)]} { + set children($curview,$id) {} } + lappend childlist $children($curview,$id) } proc layouttail {} { - global rowidlist rowoffsets idinlist commitidx - global idrowranges + global rowidlist rowoffsets idinlist commitidx curview + global idrowranges rowrangelist - set row $commitidx + set row $commitidx($curview) set idlist [lindex $rowidlist $row] while {$idlist ne {}} { set col [expr {[llength $idlist] - 1}] @@ -1147,6 +1996,8 @@ proc layouttail {} { addextraid $id $row unset idinlist($id) lappend idrowranges($id) $row + lappend rowrangelist $idrowranges($id) + unset idrowranges($id) incr row set offs [ntimes $col 0] set idlist [lreplace $idlist $col $col] @@ -1160,6 +2011,8 @@ proc layouttail {} { lset rowoffsets $row 0 makeuparrow $id 0 $row 0 lappend idrowranges($id) $row + lappend rowrangelist $idrowranges($id) + unset idrowranges($id) incr row lappend rowidlist {} lappend rowoffsets {} @@ -1176,7 +2029,7 @@ proc insert_pad {row col npad} { } proc optimize_rows {row col endrow} { - global rowidlist rowoffsets idrowranges linesegends displayorder + global rowidlist rowoffsets idrowranges displayorder for {} {$row < $endrow} {incr row} { set idlist [lindex $rowidlist $row] @@ -1195,8 +2048,8 @@ proc optimize_rows {row col endrow} { set z0 [lindex $rowoffsets $y0 $x0] if {$z0 eq {}} { set id [lindex $idlist $col] - if {[info exists idrowranges($id)] && - $y0 > [lindex $idrowranges($id) 0]} { + set ranges [rowranges $id] + if {$ranges ne {} && $y0 > [lindex $ranges 0]} { set isarrow 1 } } @@ -1254,8 +2107,8 @@ proc optimize_rows {row col endrow} { if {$o eq {}} { # check if this is the link to the first child set id [lindex $idlist $col] - if {[info exists idrowranges($id)] && - $row == [lindex $idrowranges($id) 0]} { + set ranges [rowranges $id] + if {$ranges ne {} && $row == [lindex $ranges 0]} { # it is, work out offset to child set y0 [expr {$row - 1}] set id [lindex $displayorder $y0] @@ -1309,13 +2162,36 @@ proc linewidth {id} { return $wid } +proc rowranges {id} { + global phase idrowranges commitrow rowlaidout rowrangelist curview + + set ranges {} + if {$phase eq {} || + ([info exists commitrow($curview,$id)] + && $commitrow($curview,$id) < $rowlaidout)} { + set ranges [lindex $rowrangelist $commitrow($curview,$id)] + } elseif {[info exists idrowranges($id)]} { + set ranges $idrowranges($id) + } + return $ranges +} + proc drawlineseg {id i} { - global rowoffsets rowidlist idrowranges + global rowoffsets rowidlist global displayorder global canv colormap linespc + global numcommits commitrow curview - set startrow [lindex $idrowranges($id) [expr {2 * $i}]] - set row [lindex $idrowranges($id) [expr {2 * $i + 1}]] + set ranges [rowranges $id] + set downarrow 1 + if {[info exists commitrow($curview,$id)] + && $commitrow($curview,$id) < $numcommits} { + set downarrow [expr {$i < [llength $ranges] / 2 - 1}] + } else { + set downarrow 1 + } + set startrow [lindex $ranges [expr {2 * $i}]] + set row [lindex $ranges [expr {2 * $i + 1}]] if {$startrow == $row} return assigncolor $id set coords {} @@ -1359,8 +2235,7 @@ proc drawlineseg {id i} { } } if {[llength $coords] < 4} return - set last [expr {[llength $idrowranges($id)] / 2 - 1}] - if {$i < $last} { + if {$downarrow} { # This line has an arrow at the lower end: check if the arrow is # on a diagonal segment, and if so, work around the Tk 8.4 # refusal to draw arrows on diagonal lines. @@ -1380,7 +2255,7 @@ proc drawlineseg {id i} { } } } - set arrow [expr {2 * ($i > 0) + ($i < $last)}] + set arrow [expr {2 * ($i > 0) + $downarrow}] set arrow [lindex {none first last both} $arrow] set t [$canv create line $coords -width [linewidth $id] \ -fill $colormap($id) -tags lines.$id -arrow $arrow] @@ -1389,7 +2264,7 @@ proc drawlineseg {id i} { } proc drawparentlinks {id row col olds} { - global rowidlist canv colormap idrowranges + global rowidlist canv colormap set row2 [expr {$row + 1}] set x [xc $row $col] @@ -1408,9 +2283,9 @@ proc drawparentlinks {id row col olds} { if {$x2 > $rmx} { set rmx $x2 } - if {[info exists idrowranges($p)] && - $row2 == [lindex $idrowranges($p) 0] && - $row2 < [lindex $idrowranges($p) 1]} { + set ranges [rowranges $p] + if {$ranges ne {} && $row2 == [lindex $ranges 0] + && $row2 < [lindex $ranges 1]} { # drawlineseg will do this one for us continue } @@ -1433,19 +2308,19 @@ proc drawparentlinks {id row col olds} { proc drawlines {id} { global colormap canv - global idrowranges idrangedrawn - global childlist iddrawn commitrow rowidlist + global idrangedrawn + global children iddrawn commitrow rowidlist curview $canv delete lines.$id - set nr [expr {[llength $idrowranges($id)] / 2}] + set nr [expr {[llength [rowranges $id]] / 2}] for {set i 0} {$i < $nr} {incr i} { if {[info exists idrangedrawn($id,$i)]} { drawlineseg $id $i } } - foreach child [lindex $childlist $commitrow($id)] { + foreach child $children($curview,$id) { if {[info exists iddrawn($child)]} { - set row $commitrow($child) + set row $commitrow($curview,$child) set col [lsearch -exact [lindex $rowidlist $row] $child] if {$col >= 0} { drawparentlinks $child $row $col [list $id] @@ -1459,7 +2334,8 @@ proc drawcmittext {id row col rmx} { global commitlisted commitinfo rowidlist global rowtextx idpos idtags idheads idotherrefs global linehtag linentag linedtag - global mainfont namefont canvxmax + global mainfont canvxmax + global hlview commitrow highlightedrows set ofill [expr {[lindex $commitlisted $row]? "blue": "white"}] set x [xc $row $col] @@ -1484,11 +2360,16 @@ proc drawcmittext {id row col rmx} { set name [lindex $commitinfo($id) 1] set date [lindex $commitinfo($id) 2] set date [formatdate $date] + set font $mainfont + if {[info exists hlview] && [info exists commitrow($hlview,$id)]} { + lappend font bold + lappend highlightedrows $row + } set linehtag($row) [$canv create text $xt $y -anchor w \ - -text $headline -font $mainfont ] + -text $headline -font $font] $canv bind $linehtag($row) <Button-3> "rowmenu %X %Y $id" set linentag($row) [$canv2 create text 3 $y -anchor w \ - -text $name -font $namefont] + -text $name -font $mainfont] set linedtag($row) [$canv3 create text 3 $y -anchor w \ -text $date -font $mainfont] set xr [expr {$xt + [font measure $mainfont $headline]}] @@ -1500,14 +2381,14 @@ proc drawcmittext {id row col rmx} { proc drawcmitrow {row} { global displayorder rowidlist - global idrowranges idrangedrawn iddrawn + global idrangedrawn iddrawn global commitinfo parentlist numcommits if {$row >= $numcommits} return foreach id [lindex $rowidlist $row] { - if {![info exists idrowranges($id)]} continue + if {$id eq {}} continue set i -1 - foreach {s e} $idrowranges($id) { + foreach {s e} [rowranges $id] { incr i if {$row < $s} continue if {$e eq {}} break @@ -1576,62 +2457,90 @@ proc clear_display {} { catch {unset idrangedrawn} } +proc findcrossings {id} { + global rowidlist parentlist numcommits rowoffsets displayorder + + set cross {} + set ccross {} + foreach {s e} [rowranges $id] { + if {$e >= $numcommits} { + set e [expr {$numcommits - 1}] + } + if {$e <= $s} continue + set x [lsearch -exact [lindex $rowidlist $e] $id] + if {$x < 0} { + puts "findcrossings: oops, no [shortids $id] in row $e" + continue + } + for {set row $e} {[incr row -1] >= $s} {} { + set olds [lindex $parentlist $row] + set kid [lindex $displayorder $row] + set kidx [lsearch -exact [lindex $rowidlist $row] $kid] + if {$kidx < 0} continue + set nextrow [lindex $rowidlist [expr {$row + 1}]] + foreach p $olds { + set px [lsearch -exact $nextrow $p] + if {$px < 0} continue + if {($kidx < $x && $x < $px) || ($px < $x && $x < $kidx)} { + if {[lsearch -exact $ccross $p] >= 0} continue + if {$x == $px + ($kidx < $px? -1: 1)} { + lappend ccross $p + } elseif {[lsearch -exact $cross $p] < 0} { + lappend cross $p + } + } + } + set inc [lindex $rowoffsets $row $x] + if {$inc eq {}} break + incr x $inc + } + } + return [concat $ccross {{}} $cross] +} + proc assigncolor {id} { global colormap colors nextcolor - global commitrow parentlist children childlist - global cornercrossings crossings + global commitrow parentlist children children curview if {[info exists colormap($id)]} return set ncolors [llength $colors] - if {[info exists commitrow($id)]} { - set kids [lindex $childlist $commitrow($id)] - } elseif {[info exists children($id)]} { - set kids $children($id) + if {[info exists children($curview,$id)]} { + set kids $children($curview,$id) } else { set kids {} } if {[llength $kids] == 1} { set child [lindex $kids 0] if {[info exists colormap($child)] - && [llength [lindex $parentlist $commitrow($child)]] == 1} { + && [llength [lindex $parentlist $commitrow($curview,$child)]] == 1} { set colormap($id) $colormap($child) return } } set badcolors {} - if {[info exists cornercrossings($id)]} { - foreach x $cornercrossings($id) { - if {[info exists colormap($x)] - && [lsearch -exact $badcolors $colormap($x)] < 0} { - lappend badcolors $colormap($x) - } + set origbad {} + foreach x [findcrossings $id] { + if {$x eq {}} { + # delimiter between corner crossings and other crossings + if {[llength $badcolors] >= $ncolors - 1} break + set origbad $badcolors } - if {[llength $badcolors] >= $ncolors} { - set badcolors {} + if {[info exists colormap($x)] + && [lsearch -exact $badcolors $colormap($x)] < 0} { + lappend badcolors $colormap($x) } } - set origbad $badcolors - if {[llength $badcolors] < $ncolors - 1} { - if {[info exists crossings($id)]} { - foreach x $crossings($id) { - if {[info exists colormap($x)] - && [lsearch -exact $badcolors $colormap($x)] < 0} { - lappend badcolors $colormap($x) - } - } - if {[llength $badcolors] >= $ncolors} { - set badcolors $origbad - } - } - set origbad $badcolors + if {[llength $badcolors] >= $ncolors} { + set badcolors $origbad } + set origbad $badcolors if {[llength $badcolors] < $ncolors - 1} { foreach child $kids { if {[info exists colormap($child)] && [lsearch -exact $badcolors $colormap($child)] < 0} { lappend badcolors $colormap($child) } - foreach p [lindex $parentlist $commitrow($child)] { + foreach p [lindex $parentlist $commitrow($curview,$child)] { if {[info exists colormap($p)] && [lsearch -exact $badcolors $colormap($p)] < 0} { lappend badcolors $colormap($p) @@ -1664,7 +2573,7 @@ proc bindline {t id} { proc drawtags {id x xt y1} { global idtags idheads idotherrefs global linespc lthickness - global canv mainfont commitrow rowtextx + global canv mainfont commitrow rowtextx curview set marks {} set ntags 0 @@ -1707,7 +2616,7 @@ proc drawtags {id x xt y1} { $xr $yt $xr $yb $xl $yb $x [expr {$yb - $delta}] \ -width 1 -outline black -fill yellow -tags tag.$id] $canv bind $t <1> [list showtag $tag 1] - set rowtextx($commitrow($id)) [expr {$xr + $linespc}] + set rowtextx($commitrow($curview,$id)) [expr {$xr + $linespc}] } else { # draw a head or other ref if {[incr nheads -1] >= 0} { @@ -1718,6 +2627,14 @@ proc drawtags {id x xt y1} { set xl [expr {$xl - $delta/2}] $canv create polygon $x $yt $xr $yt $xr $yb $x $yb \ -width 1 -outline black -fill $col -tags tag.$id + if {[regexp {^(remotes/.*/|remotes/)} $tag match remoteprefix]} { + set rwid [font measure $mainfont $remoteprefix] + set xi [expr {$x + 1}] + set yti [expr {$yt + 1}] + set xri [expr {$x + $rwid}] + $canv create polygon $xi $yti $xri $yti $xri $yb $xi $yb \ + -width 0 -fill "#ffddaa" -tags tag.$id + } } set t [$canv create text $xl $y1 -anchor w -text $tag \ -font $mainfont -tags tag.$id] @@ -1728,55 +2645,6 @@ proc drawtags {id x xt y1} { return $xt } -proc checkcrossings {row endrow} { - global displayorder parentlist rowidlist - - for {} {$row < $endrow} {incr row} { - set id [lindex $displayorder $row] - set i [lsearch -exact [lindex $rowidlist $row] $id] - if {$i < 0} continue - set idlist [lindex $rowidlist [expr {$row+1}]] - foreach p [lindex $parentlist $row] { - set j [lsearch -exact $idlist $p] - if {$j > 0} { - if {$j < $i - 1} { - notecrossings $row $p $j $i [expr {$j+1}] - } elseif {$j > $i + 1} { - notecrossings $row $p $i $j [expr {$j-1}] - } - } - } - } -} - -proc notecrossings {row id lo hi corner} { - global rowidlist crossings cornercrossings - - for {set i $lo} {[incr i] < $hi} {} { - set p [lindex [lindex $rowidlist $row] $i] - if {$p == {}} continue - if {$i == $corner} { - if {![info exists cornercrossings($id)] - || [lsearch -exact $cornercrossings($id) $p] < 0} { - lappend cornercrossings($id) $p - } - if {![info exists cornercrossings($p)] - || [lsearch -exact $cornercrossings($p) $id] < 0} { - lappend cornercrossings($p) $id - } - } else { - if {![info exists crossings($id)] - || [lsearch -exact $crossings($id) $p] < 0} { - lappend crossings($id) $p - } - if {![info exists crossings($p)] - || [lsearch -exact $crossings($p) $id] < 0} { - lappend crossings($p) $id - } - } - } -} - proc xcoord {i level ln} { global canvx0 xspc1 xspc2 @@ -1789,23 +2657,25 @@ proc xcoord {i level ln} { return $x } +proc show_status {msg} { + global canv mainfont + + clear_display + $canv create text 3 3 -anchor nw -text $msg -font $mainfont -tags textitems +} + proc finishcommits {} { - global commitidx phase + global commitidx phase curview global canv mainfont ctext maincursor textcursor - global findinprogress + global findinprogress pending_select - if {$commitidx > 0} { + if {$commitidx($curview) > 0} { drawrest } else { - $canv delete all - $canv create text 3 3 -anchor nw -text "No commits selected" \ - -font $mainfont -tags textitems - } - if {![info exists findinprogress]} { - . config -cursor $maincursor - settextcursor $textcursor + show_status "No commits selected" } set phase {} + catch {unset pending_select} } # Don't change the text pane cursor if it is currently the hand cursor, @@ -1819,17 +2689,41 @@ proc settextcursor {c} { set curtextcursor $c } +proc nowbusy {what} { + global isbusy + + if {[array names isbusy] eq {}} { + . config -cursor watch + settextcursor watch + } + set isbusy($what) 1 +} + +proc notbusy {what} { + global isbusy maincursor textcursor + + catch {unset isbusy($what)} + if {[array names isbusy] eq {}} { + . config -cursor $maincursor + settextcursor $textcursor + } +} + proc drawrest {} { global numcommits global startmsecs global canvy0 numcommits linespc - global rowlaidout commitidx + global rowlaidout commitidx curview + global pending_select set row $rowlaidout - layoutrows $rowlaidout $commitidx 1 + layoutrows $rowlaidout $commitidx($curview) 1 layouttail - optimize_rows $row 0 $commitidx - showstuff $commitidx + optimize_rows $row 0 $commitidx($curview) + showstuff $commitidx($curview) + if {[info exists pending_select]} { + selectline 0 1 + } set drawmsecs [expr {[clock clicks -milliseconds] - $startmsecs}] #puts "overall $drawmsecs ms for $numcommits commits" @@ -1858,7 +2752,7 @@ proc findmatches {f} { proc dofind {} { global findtype findloc findstring markedmatches commitinfo global numcommits displayorder linehtag linentag linedtag - global mainfont namefont canv canv2 canv3 selectedline + global mainfont canv canv2 canv3 selectedline global matchinglines foundstring foundstrlen matchstring global commitdata @@ -1919,7 +2813,7 @@ proc dofind {} { markmatches $canv $l $f $linehtag($l) $matches $mainfont } elseif {$ty == "Author"} { drawcmitrow $l - markmatches $canv2 $l $f $linentag($l) $matches $namefont + markmatches $canv2 $l $f $linentag($l) $matches $mainfont } elseif {$ty == "Date"} { drawcmitrow $l markmatches $canv3 $l $f $linedtag($l) $matches $mainfont @@ -2017,13 +2911,8 @@ proc stopfindproc {{done 0}} { catch {close $findprocfile} unset findprocpid } - if {[info exists findinprogress]} { - unset findinprogress - if {$phase != "incrdraw"} { - . config -cursor $maincursor - settextcursor $textcursor - } - } + catch {unset findinprogress} + notbusy find } proc findpatches {} { @@ -2063,14 +2952,13 @@ proc findpatches {} { fconfigure $f -blocking 0 fileevent $f readable readfindproc set finddidsel 0 - . config -cursor watch - settextcursor watch + nowbusy find set findinprogress 1 } proc readfindproc {} { global findprocfile finddidsel - global commitrow matchinglines findinsertpos + global commitrow matchinglines findinsertpos curview set n [gets $findprocfile line] if {$n < 0} { @@ -2087,11 +2975,11 @@ proc readfindproc {} { stopfindproc return } - if {![info exists commitrow($id)]} { + if {![info exists commitrow($curview,$id)]} { puts stderr "spurious id: $id" return } - set l $commitrow($id) + set l $commitrow($curview,$id) insertmatch $l $id } @@ -2165,8 +3053,7 @@ proc findfiles {} { set finddidsel 0 set findinsertpos end set id [lindex $displayorder $l] - . config -cursor watch - settextcursor watch + nowbusy find set findinprogress 1 findcont update @@ -2336,7 +3223,7 @@ proc commit_descriptor {p} { # append some text to the ctext widget, and make any SHA1 ID # that we know about be a clickable link. proc appendwithlinks {text} { - global ctext commitrow linknum + global ctext commitrow linknum curview set start [$ctext index "end - 1c"] $ctext insert end $text @@ -2346,11 +3233,12 @@ proc appendwithlinks {text} { set s [lindex $l 0] set e [lindex $l 1] set linkid [string range $text $s $e] - if {![info exists commitrow($linkid)]} continue + if {![info exists commitrow($curview,$linkid)]} continue incr e $ctext tag add link "$start + $s c" "$start + $e c" $ctext tag add link$linknum "$start + $s c" "$start + $e c" - $ctext tag bind link$linknum <1> [list selectline $commitrow($linkid) 1] + $ctext tag bind link$linknum <1> \ + [list selectline $commitrow($curview,$linkid) 1] incr linknum } $ctext tag conf link -foreground blue -underline 1 @@ -2378,10 +3266,12 @@ proc selectline {l isnew} { global canv canv2 canv3 ctext commitinfo selectedline global displayorder linehtag linentag linedtag global canvy0 linespc parentlist childlist - global cflist currentid sha1entry + global currentid sha1entry global commentend idtags linknum - global mergemax numcommits + global mergemax numcommits pending_select + global cmitmode + catch {unset pending_select} $canv delete hover normalline if {$l < 0 || $l >= $numcommits} return @@ -2451,8 +3341,6 @@ proc selectline {l isnew} { $ctext conf -state normal $ctext delete 0.0 end set linknum 0 - $ctext mark set fmark.0 0.0 - $ctext mark gravity fmark.0 left set info $commitinfo($id) set date [formatdate [lindex $info 2]] $ctext insert end "Author: [lindex $info 1] $date\n" @@ -2500,9 +3388,10 @@ proc selectline {l isnew} { $ctext conf -state disabled set commentend [$ctext index "end - 1c"] - $cflist delete 0 end - $cflist insert end "Comments" - if {[llength $olds] <= 1} { + init_flist "Comments" + if {$cmitmode eq "tree"} { + gettree $id + } elseif {[llength $olds] <= 1} { startdiff $id } else { mergediff $id $l @@ -2549,24 +3438,34 @@ proc selnextpage {dir} { } proc unselectline {} { - global selectedline + global selectedline currentid catch {unset selectedline} + catch {unset currentid} allcanvs delete secsel } +proc reselectline {} { + global selectedline + + if {[info exists selectedline]} { + selectline $selectedline 0 + } +} + proc addtohistory {cmd} { - global history historyindex + global history historyindex curview + set elt [list $curview $cmd] if {$historyindex > 0 - && [lindex $history [expr {$historyindex - 1}]] == $cmd} { + && [lindex $history [expr {$historyindex - 1}]] == $elt} { return } if {$historyindex < [llength $history]} { - set history [lreplace $history $historyindex end $cmd] + set history [lreplace $history $historyindex end $elt] } else { - lappend history $cmd + lappend history $elt } incr historyindex if {$historyindex > 1} { @@ -2577,13 +3476,23 @@ proc addtohistory {cmd} { .ctop.top.bar.rightbut conf -state disabled } +proc godo {elt} { + global curview + + set view [lindex $elt 0] + set cmd [lindex $elt 1] + if {$curview != $view} { + showview $view + } + eval $cmd +} + proc goback {} { global history historyindex if {$historyindex > 1} { incr historyindex -1 - set cmd [lindex $history [expr {$historyindex - 1}]] - eval $cmd + godo [lindex $history [expr {$historyindex - 1}]] .ctop.top.bar.rightbut conf -state normal } if {$historyindex <= 1} { @@ -2597,7 +3506,7 @@ proc goforw {} { if {$historyindex < [llength $history]} { set cmd [lindex $history $historyindex] incr historyindex - eval $cmd + godo $cmd .ctop.top.bar.leftbut conf -state normal } if {$historyindex >= [llength $history]} { @@ -2605,14 +3514,101 @@ proc goforw {} { } } +proc gettree {id} { + global treefilelist treeidlist diffids diffmergeid treepending + + set diffids $id + catch {unset diffmergeid} + if {![info exists treefilelist($id)]} { + if {![info exists treepending]} { + if {[catch {set gtf [open [concat | git-ls-tree -r $id] r]}]} { + return + } + set treepending $id + set treefilelist($id) {} + set treeidlist($id) {} + fconfigure $gtf -blocking 0 + fileevent $gtf readable [list gettreeline $gtf $id] + } + } else { + setfilelist $id + } +} + +proc gettreeline {gtf id} { + global treefilelist treeidlist treepending cmitmode diffids + + while {[gets $gtf line] >= 0} { + if {[lindex $line 1] ne "blob"} continue + set sha1 [lindex $line 2] + set fname [lindex $line 3] + lappend treefilelist($id) $fname + lappend treeidlist($id) $sha1 + } + if {![eof $gtf]} return + close $gtf + unset treepending + if {$cmitmode ne "tree"} { + if {![info exists diffmergeid]} { + gettreediffs $diffids + } + } elseif {$id ne $diffids} { + gettree $diffids + } else { + setfilelist $id + } +} + +proc showfile {f} { + global treefilelist treeidlist diffids + global ctext commentend + + set i [lsearch -exact $treefilelist($diffids) $f] + if {$i < 0} { + puts "oops, $f not in list for id $diffids" + return + } + set blob [lindex $treeidlist($diffids) $i] + if {[catch {set bf [open [concat | git-cat-file blob $blob] r]} err]} { + puts "oops, error reading blob $blob: $err" + return + } + fconfigure $bf -blocking 0 + fileevent $bf readable [list getblobline $bf $diffids] + $ctext config -state normal + $ctext delete $commentend end + $ctext insert end "\n" + $ctext insert end "$f\n" filesep + $ctext config -state disabled + $ctext yview $commentend +} + +proc getblobline {bf id} { + global diffids cmitmode ctext + + if {$id ne $diffids || $cmitmode ne "tree"} { + catch {close $bf} + return + } + $ctext config -state normal + while {[gets $bf line] >= 0} { + $ctext insert end "$line\n" + } + if {[eof $bf]} { + # delete last newline + $ctext delete "end - 2c" "end - 1c" + close $bf + } + $ctext config -state disabled +} + proc mergediff {id l} { global diffmergeid diffopts mdifffd - global difffilestart diffids + global diffids global parentlist set diffmergeid $id set diffids $id - catch {unset difffilestart} # this doesn't seem to actually affect anything... set env(GIT_DIFF_OPTS) $diffopts set cmd [concat | git-diff-tree --no-commit-id --cc $id] @@ -2647,11 +3643,8 @@ proc getmergediffline {mdf id np} { # start of a new file $ctext insert end "\n" set here [$ctext index "end - 1c"] - set i [$cflist index end] - $ctext mark set fmark.$i $here - $ctext mark gravity fmark.$i left - set difffilestart([expr {$i-1}]) $here - $cflist insert end $fname + lappend difffilestart $here + add_flist [list $fname] set l [expr {(78 - [string length $fname]) / 2}] set pad [string range "----------------------------------------" 1 $l] $ctext insert end "$pad $fname $pad\n" filesep @@ -2721,9 +3714,7 @@ proc startdiff {ids} { proc addtocflist {ids} { global treediffs cflist - foreach f $treediffs($ids) { - $cflist insert end $f - } + add_flist $treediffs($ids) getblobdiffs $ids } @@ -2740,6 +3731,7 @@ proc gettreediffs {ids} { proc gettreediffline {gdtf ids} { global treediff treediffs treepending diffids diffmergeid + global cmitmode set n [gets $gdtf line] if {$n < 0} { @@ -2747,7 +3739,9 @@ proc gettreediffline {gdtf ids} { close $gdtf set treediffs($ids) $treediff unset treepending - if {$ids != $diffids} { + if {$cmitmode eq "tree"} { + gettree $diffids + } elseif {$ids != $diffids} { if {![info exists diffmergeid]} { gettreediffs $diffids } @@ -2762,7 +3756,7 @@ proc gettreediffline {gdtf ids} { proc getblobdiffs {ids} { global diffopts blobdifffd diffids env curdifftag curtagstart - global difffilestart nextupdate diffinhdr treediffs + global nextupdate diffinhdr treediffs set env(GIT_DIFF_OPTS) $diffopts set cmd [concat | git-diff-tree --no-commit-id -r -p -C $ids] @@ -2775,11 +3769,23 @@ proc getblobdiffs {ids} { set blobdifffd($ids) $bdf set curdifftag Comments set curtagstart 0.0 - catch {unset difffilestart} fileevent $bdf readable [list getblobdiffline $bdf $diffids] set nextupdate [expr {[clock clicks -milliseconds] + 100}] } +proc setinlist {var i val} { + global $var + + while {[llength [set $var]] < $i} { + lappend $var {} + } + if {[llength [set $var]] == $i} { + lappend $var $val + } else { + lset $var $i $val + } +} + proc getblobdiffline {bdf ids} { global diffids blobdifffd ctext curdifftag curtagstart global diffnexthead diffnextnote difffilestart @@ -2803,23 +3809,17 @@ proc getblobdiffline {bdf ids} { # start of a new file $ctext insert end "\n" $ctext tag add $curdifftag $curtagstart end - set curtagstart [$ctext index "end - 1c"] - set header $newname set here [$ctext index "end - 1c"] - set i [lsearch -exact $treediffs($diffids) $fname] + set curtagstart $here + set header $newname + set i [lsearch -exact $treediffs($ids) $fname] if {$i >= 0} { - set difffilestart($i) $here - incr i - $ctext mark set fmark.$i $here - $ctext mark gravity fmark.$i left + setinlist difffilestart $i $here } - if {$newname != $fname} { - set i [lsearch -exact $treediffs($diffids) $newname] + if {$newname ne $fname} { + set i [lsearch -exact $treediffs($ids) $newname] if {$i >= 0} { - set difffilestart($i) $here - incr i - $ctext mark set fmark.$i $here - $ctext mark gravity fmark.$i left + setinlist difffilestart $i $here } } set curdifftag "f:$fname" @@ -2869,26 +3869,11 @@ proc getblobdiffline {bdf ids} { proc nextfile {} { global difffilestart ctext set here [$ctext index @0,0] - for {set i 0} {[info exists difffilestart($i)]} {incr i} { - if {[$ctext compare $difffilestart($i) > $here]} { - if {![info exists pos] - || [$ctext compare $difffilestart($i) < $pos]} { - set pos $difffilestart($i) - } + foreach loc $difffilestart { + if {[$ctext compare $loc > $here]} { + $ctext yview $loc } } - if {[info exists pos]} { - $ctext yview $pos - } -} - -proc listboxsel {} { - global ctext cflist currentid - if {![info exists currentid]} return - set sel [lsort [$cflist curselection]] - if {$sel eq {}} return - set first [lindex $sel 0] - catch {$ctext yview fmark.$first} } proc setcoords {} { @@ -2921,11 +3906,10 @@ proc redisplay {} { } proc incrfont {inc} { - global mainfont namefont textfont ctext canv phase + global mainfont textfont ctext canv phase global stopped entries unmarkmatches set mainfont [lreplace $mainfont 1 1 [expr {[lindex $mainfont 1] + $inc}]] - set namefont [lreplace $namefont 1 1 [expr {[lindex $namefont 1] + $inc}]] set textfont [lreplace $textfont 1 1 [expr {[lindex $textfont 1] + $inc}]] setcoords $ctext conf -font $textfont @@ -2933,7 +3917,7 @@ proc incrfont {inc} { foreach e $entries { $e conf -font $mainfont } - if {$phase == "getcommits"} { + if {$phase eq "getcommits"} { $canv itemconf textitems -font $mainfont } redisplay @@ -2964,7 +3948,7 @@ proc sha1change {n1 n2 op} { proc gotocommit {} { global sha1string currentid commitrow tagids headids - global displayorder numcommits + global displayorder numcommits curview if {$sha1string == {} || ([info exists currentid] && $sha1string == $currentid)} return @@ -2990,8 +3974,8 @@ proc gotocommit {} { } } } - if {[info exists commitrow($id)]} { - selectline $commitrow($id) 1 + if {[info exists commitrow($curview,$id)]} { + selectline $commitrow($curview,$id) 1 return } if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} { @@ -3066,12 +4050,13 @@ proc linehover {} { } proc clickisonarrow {id y} { - global lthickness idrowranges + global lthickness + set ranges [rowranges $id] set thresh [expr {2 * $lthickness + 6}] - set n [expr {[llength $idrowranges($id)] - 1}] + set n [expr {[llength $ranges] - 1}] for {set i 1} {$i < $n} {incr i} { - set row [lindex $idrowranges($id) $i] + set row [lindex $ranges $i] if {abs([yc $row] - $y) < $thresh} { return $i } @@ -3080,11 +4065,11 @@ proc clickisonarrow {id y} { } proc arrowjump {id n y} { - global idrowranges canv + global canv # 1 <-> 2, 3 <-> 4, etc... set n [expr {(($n - 1) ^ 1) + 1}] - set row [lindex $idrowranges($id) $n] + set row [lindex [rowranges $id] $n] set yt [yc $row] set ymax [lindex [$canv cget -scrollregion] 3] if {$ymax eq {} || $ymax <= 0} return @@ -3098,7 +4083,7 @@ proc arrowjump {id n y} { } proc lineclick {x y id isnew} { - global ctext commitinfo childlist commitrow cflist canv thickerline + global ctext commitinfo children canv thickerline curview if {![info exists commitinfo($id)] && ![getcommit $id]} return unmarkmatches @@ -3137,7 +4122,7 @@ proc lineclick {x y id isnew} { $ctext insert end "\tAuthor:\t[lindex $info 1]\n" set date [formatdate [lindex $info 2]] $ctext insert end "\tDate:\t$date\n" - set kids [lindex $childlist $commitrow($id)] + set kids $children($curview,$id) if {$kids ne {}} { $ctext insert end "\nChildren:" set i 0 @@ -3155,8 +4140,7 @@ proc lineclick {x y id isnew} { } } $ctext conf -state disabled - - $cflist delete 0 end + init_flist {} } proc normalline {} { @@ -3169,9 +4153,9 @@ proc normalline {} { } proc selbyid {id} { - global commitrow - if {[info exists commitrow($id)]} { - selectline $commitrow($id) 1 + global commitrow curview + if {[info exists commitrow($curview,$id)]} { + selectline $commitrow($curview,$id) 1 } } @@ -3184,9 +4168,10 @@ proc mstime {} { } proc rowmenu {x y id} { - global rowctxmenu commitrow selectedline rowmenuid + global rowctxmenu commitrow selectedline rowmenuid curview - if {![info exists selectedline] || $commitrow($id) eq $selectedline} { + if {![info exists selectedline] + || $commitrow($curview,$id) eq $selectedline} { set state disabled } else { set state normal @@ -3214,15 +4199,12 @@ proc diffvssel {dirn} { } proc doseldiff {oldid newid} { - global ctext cflist + global ctext global commitinfo $ctext conf -state normal $ctext delete 0.0 end - $ctext mark set fmark.0 0.0 - $ctext mark gravity fmark.0 left - $cflist delete 0 end - $cflist insert end "Top" + init_flist "Top" $ctext insert end "From " $ctext tag conf link -foreground blue -underline 1 $ctext tag bind link <Enter> { %W configure -cursor hand2 } @@ -3389,14 +4371,15 @@ proc domktag {} { } proc redrawtags {id} { - global canv linehtag commitrow idpos selectedline + global canv linehtag commitrow idpos selectedline curview - if {![info exists commitrow($id)]} return - drawcmitrow $commitrow($id) + if {![info exists commitrow($curview,$id)]} return + drawcmitrow $commitrow($curview,$id) $canv delete tag.$id set xt [eval drawtags $id $idpos($id)] - $canv coords $linehtag($commitrow($id)) $xt [lindex $idpos($id) 2] - if {[info exists selectedline] && $selectedline == $commitrow($id)} { + $canv coords $linehtag($commitrow($curview,$id)) $xt [lindex $idpos($id) 2] + if {[info exists selectedline] + && $selectedline == $commitrow($curview,$id)} { selectline $selectedline 0 } } @@ -3508,7 +4491,7 @@ proc rereadrefs {} { } proc showtag {tag isnew} { - global ctext cflist tagcontents tagids linknum + global ctext tagcontents tagids linknum if {$isnew} { addtohistory [list showtag $tag 0] @@ -3523,7 +4506,7 @@ proc showtag {tag isnew} { } appendwithlinks $text $ctext conf -state disabled - $cflist delete 0 end + init_flist {} } proc doquit {} { @@ -3905,13 +4888,13 @@ set fastdate 0 set uparrowlen 7 set downarrowlen 7 set mingaplen 30 +set flistmode "flat" +set cmitmode "patch" set colors {green red blue magenta darkgrey brown orange} catch {source ~/.gitk} -set namefont $mainfont - font create optionfont -family sans-serif -size -12 set revtreeargs {} @@ -3928,19 +4911,77 @@ foreach arg $argv { # check that we can find a .git directory somewhere... set gitdir [gitdir] if {![file isdirectory $gitdir]} { - error_popup "Cannot find the git directory \"$gitdir\"." + show_error . "Cannot find the git directory \"$gitdir\"." exit 1 } +set cmdline_files {} +set i [lsearch -exact $revtreeargs "--"] +if {$i >= 0} { + set cmdline_files [lrange $revtreeargs [expr {$i + 1}] end] + set revtreeargs [lrange $revtreeargs 0 [expr {$i - 1}]] +} elseif {$revtreeargs ne {}} { + if {[catch { + set f [eval exec git-rev-parse --no-revs --no-flags $revtreeargs] + set cmdline_files [split $f "\n"] + set n [llength $cmdline_files] + set revtreeargs [lrange $revtreeargs 0 end-$n] + } err]} { + # unfortunately we get both stdout and stderr in $err, + # so look for "fatal:". + set i [string first "fatal:" $err] + if {$i > 0} { + set err [string range [expr {$i + 6}] end] + } + show_error . "Bad arguments to gitk:\n$err" + exit 1 + } +} + set history {} set historyindex 0 set optim_delay 16 +set nextviewnum 1 +set curview 0 +set selectedview 0 +set selectedhlview {} +set viewfiles(0) {} +set viewperm(0) 0 +set viewargs(0) {} + +set cmdlineok 0 set stopped 0 set stuffsaved 0 set patchnum 0 setcoords -makewindow $revtreeargs +makewindow readrefs -getcommits $revtreeargs + +if {$cmdline_files ne {} || $revtreeargs ne {}} { + # create a view for the files/dirs specified on the command line + set curview 1 + set selectedview 1 + set nextviewnum 2 + set viewname(1) "Command line" + set viewfiles(1) $cmdline_files + set viewargs(1) $revtreeargs + set viewperm(1) 0 + addviewmenu 1 + .bar.view entryconf 2 -state normal + .bar.view entryconf 3 -state normal +} + +if {[info exists permviews]} { + foreach v $permviews { + set n $nextviewnum + incr nextviewnum + set viewname($n) [lindex $v 0] + set viewfiles($n) [lindex $v 1] + set viewargs($n) [lindex $v 2] + set viewperm($n) 1 + addviewmenu $n + } +} +getcommits diff --git a/log-tree.c b/log-tree.c index 4a3cd6791b..526d578e98 100644 --- a/log-tree.c +++ b/log-tree.c @@ -3,6 +3,15 @@ #include "commit.h" #include "log-tree.h" +static void show_parents(struct commit *commit, int abbrev) +{ + struct commit_list *p; + for (p = commit->parents; p ; p = p->next) { + struct commit *parent = p->item; + printf(" %s", diff_unique_abbrev(parent->object.sha1, abbrev)); + } +} + void show_log(struct rev_info *opt, struct log_info *log, const char *sep) { static char this_header[16384]; @@ -15,7 +24,10 @@ void show_log(struct rev_info *opt, struct log_info *log, const char *sep) opt->loginfo = NULL; if (!opt->verbose_header) { - puts(sha1_to_hex(commit->object.sha1)); + fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit), stdout); + if (opt->parents) + show_parents(commit, abbrev_commit); + putchar('\n'); return; } @@ -57,6 +69,8 @@ void show_log(struct rev_info *opt, struct log_info *log, const char *sep) printf("%s%s", opt->commit_format == CMIT_FMT_ONELINE ? "" : "commit ", diff_unique_abbrev(commit->object.sha1, abbrev_commit)); + if (opt->parents) + show_parents(commit, abbrev_commit); if (parent) printf(" (from %s)", diff_unique_abbrev(parent->object.sha1, diff --git a/merge-tree.c b/merge-tree.c index 50528d5e43..cc7b5bd891 100644 --- a/merge-tree.c +++ b/merge-tree.c @@ -24,16 +24,14 @@ static const char *sha1_to_hex_zero(const unsigned char *sha1) static void resolve(const char *base, struct name_entry *branch1, struct name_entry *result) { - char branch1_sha1[50]; - /* If it's already branch1, don't bother showing it */ if (!branch1) return; - memcpy(branch1_sha1, sha1_to_hex_zero(branch1->sha1), 41); printf("0 %06o->%06o %s->%s %s%s\n", branch1->mode, result->mode, - branch1_sha1, sha1_to_hex_zero(result->sha1), + sha1_to_hex_zero(branch1->sha1), + sha1_to_hex_zero(result->sha1), base, result->path); } diff --git a/pack-check.c b/pack-check.c index 84ed90d369..e57587909e 100644 --- a/pack-check.c +++ b/pack-check.c @@ -29,12 +29,12 @@ static int verify_packfile(struct packed_git *p) pack_base = p->pack_base; SHA1_Update(&ctx, pack_base, pack_size - 20); SHA1_Final(sha1, &ctx); - if (memcmp(sha1, index_base + index_size - 40, 20)) - return error("Packfile %s SHA1 mismatch with idx", - p->pack_name); if (memcmp(sha1, pack_base + pack_size - 20, 20)) return error("Packfile %s SHA1 mismatch with itself", p->pack_name); + if (memcmp(sha1, index_base + index_size - 40, 20)) + return error("Packfile %s SHA1 mismatch with idx", + p->pack_name); /* Make sure everything reachable from idx is valid. Since we * have verified that nr_objects matches between idx and pack, diff --git a/pack-objects.c b/pack-objects.c index c0acc460bb..53caed42dd 100644 --- a/pack-objects.c +++ b/pack-objects.c @@ -1032,12 +1032,6 @@ static int try_delta(struct unpacked *cur, struct unpacked *old, unsigned max_de max_depth -= cur_entry->delta_limit; } - size = cur_entry->size; - oldsize = old_entry->size; - sizediff = oldsize > size ? oldsize - size : size - oldsize; - - if (size < 50) - return -1; if (old_entry->depth >= max_depth) return 0; @@ -1048,9 +1042,12 @@ static int try_delta(struct unpacked *cur, struct unpacked *old, unsigned max_de * more space-efficient (deletes don't have to say _what_ they * delete). */ + size = cur_entry->size; max_size = size / 2 - 20; if (cur_entry->delta) max_size = cur_entry->delta_size-1; + oldsize = old_entry->size; + sizediff = oldsize < size ? size - oldsize : 0; if (sizediff >= max_size) return 0; delta_buf = diff_delta(old->data, oldsize, @@ -1109,6 +1106,9 @@ static void find_deltas(struct object_entry **list, int window, int depth) */ continue; + if (entry->size < 50) + continue; + free(n->data); n->entry = entry; n->data = read_sha1_file(entry->sha1, type, &size); @@ -1239,6 +1239,7 @@ int main(int argc, char **argv) setup_git_directory(); + progress = isatty(2); for (i = 1; i < argc; i++) { const char *arg = argv[i]; @@ -1269,6 +1270,10 @@ int main(int argc, char **argv) usage(pack_usage); continue; } + if (!strcmp("--progress", arg)) { + progress = 1; + continue; + } if (!strcmp("-q", arg)) { progress = 0; continue; diff --git a/patch-delta.c b/patch-delta.c index d95f0d9721..affd4f673d 100644 --- a/patch-delta.c +++ b/patch-delta.c @@ -14,7 +14,7 @@ #include "delta.h" void *patch_delta(void *src_buf, unsigned long src_size, - void *delta_buf, unsigned long delta_size, + const void *delta_buf, unsigned long delta_size, unsigned long *dst_size) { const unsigned char *data, *top; @@ -76,8 +76,8 @@ int create_symref(const char *git_HEAD, const char *refs_heads_master) char ref[1000]; int fd, len, written; -#ifdef USE_SYMLINK_HEAD - if (!only_use_symrefs) { +#ifndef NO_SYMLINK_HEAD + if (prefer_symlink_refs) { unlink(git_HEAD); if (!symlink(refs_heads_master, git_HEAD)) return 0; diff --git a/repo-config.c b/repo-config.c index c5ebb7668a..63eda1bb78 100644 --- a/repo-config.c +++ b/repo-config.c @@ -2,46 +2,63 @@ #include <regex.h> static const char git_config_set_usage[] = -"git-repo-config [ --bool | --int ] [--get | --get-all | --replace-all | --unset | --unset-all] name [value [value_regex]]"; +"git-repo-config [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list"; static char* key = NULL; -static char* value = NULL; +static regex_t* key_regexp = NULL; static regex_t* regexp = NULL; +static int show_keys = 0; +static int use_key_regexp = 0; static int do_all = 0; static int do_not_match = 0; static int seen = 0; static enum { T_RAW, T_INT, T_BOOL } type = T_RAW; +static int show_all_config(const char *key_, const char *value_) +{ + if (value_) + printf("%s=%s\n", key_, value_); + else + printf("%s\n", key_); + return 0; +} + static int show_config(const char* key_, const char* value_) { + char value[256]; + const char *vptr = value; + int dup_error = 0; + if (value_ == NULL) value_ = ""; - if (!strcmp(key_, key) && - (regexp == NULL || + if (!use_key_regexp && strcmp(key_, key)) + return 0; + if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0)) + return 0; + if (regexp != NULL && (do_not_match ^ - !regexec(regexp, value_, 0, NULL, 0)))) { - if (do_all) { - printf("%s\n", value_); - return 0; - } - if (seen > 0) { - fprintf(stderr, "More than one value: %s\n", value); - free(value); - } + regexec(regexp, value_, 0, NULL, 0))) + return 0; - if (type == T_INT) { - value = malloc(256); - sprintf(value, "%d", git_config_int(key_, value_)); - } else if (type == T_BOOL) { - value = malloc(256); - sprintf(value, "%s", git_config_bool(key_, value_) - ? "true" : "false"); - } else { - value = strdup(value_); - } - seen++; + if (show_keys) + printf("%s ", key_); + if (seen && !do_all) + dup_error = 1; + if (type == T_INT) + sprintf(value, "%d", git_config_int(key_, value_)); + else if (type == T_BOOL) + vptr = git_config_bool(key_, value_) ? "true" : "false"; + else + vptr = value_; + seen++; + if (dup_error) { + error("More than one value for the key %s: %s", + key_, vptr); } + else + printf("%s\n", vptr); + return 0; } @@ -54,6 +71,14 @@ static int get_value(const char* key_, const char* regex_) key[i] = tolower(key_[i]); key[i] = 0; + if (use_key_regexp) { + key_regexp = (regex_t*)malloc(sizeof(regex_t)); + if (regcomp(key_regexp, key, REG_EXTENDED)) { + fprintf(stderr, "Invalid key pattern: %s\n", key_); + return -1; + } + } + if (regex_) { if (regex_[0] == '!') { do_not_match = 1; @@ -67,11 +92,7 @@ static int get_value(const char* key_, const char* regex_) } } - i = git_config(show_config); - if (value) { - printf("%s\n", value); - free(value); - } + git_config(show_config); free(key); if (regexp) { regfree(regexp); @@ -79,9 +100,9 @@ static int get_value(const char* key_, const char* regex_) } if (do_all) - return 0; + return !seen; - return seen == 1 ? 0 : 1; + return (seen == 1) ? 0 : 1; } int main(int argc, const char **argv) @@ -93,6 +114,8 @@ int main(int argc, const char **argv) type = T_INT; else if (!strcmp(argv[1], "--bool")) type = T_BOOL; + else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) + return git_config(show_all_config); else break; argc--; @@ -112,6 +135,11 @@ int main(int argc, const char **argv) else if (!strcmp(argv[1], "--get-all")) { do_all = 1; return get_value(argv[2], NULL); + } else if (!strcmp(argv[1], "--get-regexp")) { + show_keys = 1; + use_key_regexp = 1; + do_all = 1; + return get_value(argv[2], NULL); } else return git_config_set(argv[1], argv[2]); @@ -125,6 +153,11 @@ int main(int argc, const char **argv) else if (!strcmp(argv[1], "--get-all")) { do_all = 1; return get_value(argv[2], argv[3]); + } else if (!strcmp(argv[1], "--get-regexp")) { + show_keys = 1; + use_key_regexp = 1; + do_all = 1; + return get_value(argv[2], argv[3]); } else if (!strcmp(argv[1], "--replace-all")) return git_config_set_multivar(argv[2], argv[3], NULL, 1); diff --git a/rev-parse.c b/rev-parse.c index e956cd5ed5..62e16af33c 100644 --- a/rev-parse.c +++ b/rev-parse.c @@ -169,14 +169,12 @@ int main(int argc, char **argv) git_config(git_default_config); for (i = 1; i < argc; i++) { - struct stat st; char *arg = argv[i]; char *dotdot; if (as_is) { if (show_file(arg) && as_is < 2) - if (lstat(arg, &st) < 0) - die("'%s': %s", arg, strerror(errno)); + verify_filename(prefix, arg); continue; } if (!strcmp(arg,"-n")) { @@ -342,8 +340,7 @@ int main(int argc, char **argv) continue; if (verify) die("Needed a single revision"); - if (lstat(arg, &st) < 0) - die("'%s': %s", arg, strerror(errno)); + verify_filename(prefix, arg); } show_default(); if (verify && revs_count != 1) diff --git a/revision.c b/revision.c index 113dd5a89f..f8ee38e54d 100644 --- a/revision.c +++ b/revision.c @@ -477,6 +477,36 @@ static void handle_all(struct rev_info *revs, unsigned flags) for_each_ref(handle_one_ref); } +static int add_parents_only(struct rev_info *revs, const char *arg, int flags) +{ + unsigned char sha1[20]; + struct object *it; + struct commit *commit; + struct commit_list *parents; + + if (*arg == '^') { + flags ^= UNINTERESTING; + arg++; + } + if (get_sha1(arg, sha1)) + return 0; + while (1) { + it = get_reference(revs, arg, sha1, 0); + if (strcmp(it->type, tag_type)) + break; + memcpy(sha1, ((struct tag*)it)->tagged->sha1, 20); + } + if (strcmp(it->type, commit_type)) + return 0; + commit = (struct commit *)it; + for (parents = commit->parents; parents; parents = parents->next) { + it = &parents->item->object; + it->flags |= flags; + add_pending_object(revs, it, arg); + } + return 1; +} + void init_revisions(struct rev_info *revs) { memset(revs, 0, sizeof(*revs)); @@ -544,7 +574,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch revs->max_count = atoi(arg + 12); continue; } - /* accept -<digit>, like traditilnal "head" */ + /* accept -<digit>, like traditional "head" */ if ((*arg == '-') && isdigit(arg[1])) { revs->max_count = atoi(arg + 1); continue; @@ -664,6 +694,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch } if (!strcmp(arg, "-c")) { revs->diff = 1; + revs->dense_combined_merges = 0; revs->combine_merges = 1; continue; } @@ -740,32 +771,49 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch include = get_reference(revs, next, sha1, flags); if (!exclude || !include) die("Invalid revision range %s..%s", arg, next); + + if (!seen_dashdash) { + *dotdot = '.'; + verify_non_filename(revs->prefix, arg); + } add_pending_object(revs, exclude, this); add_pending_object(revs, include, next); continue; } *dotdot = '.'; } + dotdot = strstr(arg, "^@"); + if (dotdot && !dotdot[2]) { + *dotdot = 0; + if (add_parents_only(revs, arg, flags)) + continue; + *dotdot = '^'; + } local_flags = 0; if (*arg == '^') { local_flags = UNINTERESTING; arg++; } if (get_sha1(arg, sha1) < 0) { - struct stat st; int j; if (seen_dashdash || local_flags) die("bad revision '%s'", arg); - /* If we didn't have a "--", all filenames must exist */ - for (j = i; j < argc; j++) { - if (lstat(argv[j], &st) < 0) - die("'%s': %s", argv[j], strerror(errno)); - } + /* If we didn't have a "--": + * (1) all filenames must exist; + * (2) all rev-args must not be interpretable + * as a valid filename. + * but the latter we have checked in the main loop. + */ + for (j = i; j < argc; j++) + verify_filename(revs->prefix, argv[j]); + revs->prune_data = get_pathspec(revs->prefix, argv + i); break; } + if (!seen_dashdash) + verify_non_filename(revs->prefix, arg); object = get_reference(revs, arg, sha1, flags ^ local_flags); add_pending_object(revs, object, arg); } @@ -789,7 +837,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch } if (revs->combine_merges) { revs->ignore_merges = 0; - if (revs->dense_combined_merges) + if (revs->dense_combined_merges && + (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT)) revs->diffopt.output_format = DIFF_FORMAT_PATCH; } revs->diffopt.abbrev = revs->abbrev; @@ -62,6 +62,49 @@ const char *prefix_filename(const char *pfx, int pfx_len, const char *arg) return path; } +/* + * Verify a filename that we got as an argument for a pathspec + * entry. Note that a filename that begins with "-" never verifies + * as true, because even if such a filename were to exist, we want + * it to be preceded by the "--" marker (or we want the user to + * use a format like "./-filename") + */ +void verify_filename(const char *prefix, const char *arg) +{ + const char *name; + struct stat st; + + if (*arg == '-') + die("bad flag '%s' used after filename", arg); + name = prefix ? prefix_filename(prefix, strlen(prefix), arg) : arg; + if (!lstat(name, &st)) + return; + if (errno == ENOENT) + die("ambiguous argument '%s': unknown revision or path not in the working tree.\n" + "Use '--' to separate paths from revisions", arg); + die("'%s': %s", arg, strerror(errno)); +} + +/* + * Opposite of the above: the command line did not have -- marker + * and we parsed the arg as a refname. It should not be interpretable + * as a filename. + */ +void verify_non_filename(const char *prefix, const char *arg) +{ + const char *name; + struct stat st; + + if (*arg == '-') + return; /* flag */ + name = prefix ? prefix_filename(prefix, strlen(prefix), arg) : arg; + if (!lstat(name, &st)) + die("ambiguous argument '%s': both revision and filename\n" + "Use '--' to separate filenames from revisions", arg); + if (errno != ENOENT) + die("'%s': %s", arg, strerror(errno)); +} + const char **get_pathspec(const char *prefix, const char **pathspec) { const char *entry = *pathspec; diff --git a/sha1_file.c b/sha1_file.c index f2d33afb27..5464828259 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -108,9 +108,10 @@ int safe_create_leading_directories(char *path) char * sha1_to_hex(const unsigned char *sha1) { - static char buffer[50]; + static int bufno; + static char hexbuffer[4][50]; static const char hex[] = "0123456789abcdef"; - char *buf = buffer; + char *buffer = hexbuffer[3 & ++bufno], *buf = buffer; int i; for (i = 0; i < 20; i++) { diff --git a/show-branch.c b/show-branch.c index 5da3a1a90b..bbe26c2e7a 100644 --- a/show-branch.c +++ b/show-branch.c @@ -5,7 +5,7 @@ #include "refs.h" static const char show_branch_usage[] = -"git-show-branch [--current] [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [--topics] [<refs>...]"; +"git-show-branch [--dense] [--current] [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [--topics] [<refs>...]"; static int default_num = 0; static int default_alloc = 0; @@ -527,6 +527,27 @@ static int git_show_branch_config(const char *var, const char *value) return git_default_config(var, value); } +static int omit_in_dense(struct commit *commit, struct commit **rev, int n) +{ + /* If the commit is tip of the named branches, do not + * omit it. + * Otherwise, if it is a merge that is reachable from only one + * tip, it is not that interesting. + */ + int i, flag, count; + for (i = 0; i < n; i++) + if (rev[i] == commit) + return 0; + flag = commit->object.flags; + for (i = count = 0; i < n; i++) { + if (flag & (1u << (i + REV_SHIFT))) + count++; + } + if (count == 1) + return 1; + return 0; +} + int main(int ac, char **av) { struct commit *rev[MAX_REVS], *commit; @@ -548,6 +569,7 @@ int main(int ac, char **av) int with_current_branch = 0; int head_at = -1; int topics = 0; + int dense = 1; setup_git_directory(); git_config(git_show_branch_config); @@ -590,6 +612,8 @@ int main(int ac, char **av) lifo = 1; else if (!strcmp(arg, "--topics")) topics = 1; + else if (!strcmp(arg, "--sparse")) + dense = 0; else if (!strcmp(arg, "--date-order")) lifo = 0; else @@ -732,12 +756,15 @@ int main(int ac, char **av) shown_merge_point |= is_merge_point; if (1 < num_rev) { - int is_merge = !!(commit->parents && commit->parents->next); + int is_merge = !!(commit->parents && + commit->parents->next); if (topics && !is_merge_point && (this_flag & (1u << REV_SHIFT))) continue; - + if (dense && is_merge && + omit_in_dense(commit, rev, num_rev)) + continue; for (i = 0; i < num_rev; i++) { int mark; if (!(this_flag & (1u << (i + REV_SHIFT)))) diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh index 6729a18266..cf33989b56 100755 --- a/t/t0000-basic.sh +++ b/t/t0000-basic.sh @@ -174,6 +174,27 @@ test_expect_success \ 'git-ls-tree -r output for a known tree.' \ 'diff current expected' +# But with -r -t we can have both. +test_expect_success \ + 'showing tree with git-ls-tree -r -t' \ + 'git-ls-tree -r -t $tree >current' +cat >expected <<\EOF +100644 blob f87290f8eb2cbbea7857214459a0739927eab154 path0 +120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01 path0sym +040000 tree 58a09c23e2ca152193f2786e06986b7b6712bdbe path2 +100644 blob 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 path2/file2 +120000 blob d8ce161addc5173867a3c3c730924388daedbc38 path2/file2sym +040000 tree 21ae8269cacbe57ae09138dcc3a2887f904d02b3 path3 +100644 blob 0aa34cae68d0878578ad119c86ca2b5ed5b28376 path3/file3 +120000 blob 8599103969b43aff7e430efea79ca4636466794f path3/file3sym +040000 tree 3c5e5399f3a333eddecce7a9b9465b63f65f51e2 path3/subp3 +100644 blob 00fb5908cb97c2564a9783c0c64087333b3b464f path3/subp3/file3 +120000 blob 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c path3/subp3/file3sym +EOF +test_expect_success \ + 'git-ls-tree -r output for a known tree.' \ + 'diff current expected' + ################################################################ rm .git/index test_expect_success \ @@ -205,4 +226,32 @@ test_expect_success \ 'no diff after checkout and git-update-index --refresh.' \ 'git-diff-files >current && cmp -s current /dev/null' +################################################################ +P=087704a96baf1c2d1c869a8b084481e121c88b5b +test_expect_success \ + 'git-commit-tree records the correct tree in a commit.' \ + 'commit0=$(echo NO | git-commit-tree $P) && + tree=$(git show --pretty=raw $commit0 | + sed -n -e "s/^tree //p" -e "/^author /q") && + test "z$tree" = "z$P"' + +test_expect_success \ + 'git-commit-tree records the correct parent in a commit.' \ + 'commit1=$(echo NO | git-commit-tree $P -p $commit0) && + parent=$(git show --pretty=raw $commit1 | + sed -n -e "s/^parent //p" -e "/^author /q") && + test "z$commit0" = "z$parent"' + +test_expect_success \ + 'git-commit-tree omits duplicated parent in a commit.' \ + 'commit2=$(echo NO | git-commit-tree $P -p $commit0 -p $commit0) && + parent=$(git show --pretty=raw $commit2 | + sed -n -e "s/^parent //p" -e "/^author /q" | + sort -u) && + test "z$commit0" = "z$parent" && + numparent=$(git show --pretty=raw $commit2 | + sed -n -e "s/^parent //p" -e "/^author /q" | + wc -l) && + test $numparent = 1' + test_done diff --git a/t/t1001-read-tree-m-2way.sh b/t/t1001-read-tree-m-2way.sh index d0ed24275e..75e4c9a886 100755 --- a/t/t1001-read-tree-m-2way.sh +++ b/t/t1001-read-tree-m-2way.sh @@ -37,7 +37,7 @@ compare_change () { } check_cache_at () { - clean_if_empty=`git-diff-files "$1"` + clean_if_empty=`git-diff-files -- "$1"` case "$clean_if_empty" in '') echo "$1: clean" ;; ?*) echo "$1: dirty" ;; diff --git a/t/t1002-read-tree-m-u-2way.sh b/t/t1002-read-tree-m-u-2way.sh index 861ef4c0c6..4d175d8ea1 100755 --- a/t/t1002-read-tree-m-u-2way.sh +++ b/t/t1002-read-tree-m-u-2way.sh @@ -20,7 +20,7 @@ compare_change () { } check_cache_at () { - clean_if_empty=`git-diff-files "$1"` + clean_if_empty=`git-diff-files -- "$1"` case "$clean_if_empty" in '') echo "$1: clean" ;; ?*) echo "$1: dirty" ;; diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh index ab4dd5c4ce..7090ea92c1 100755 --- a/t/t1300-repo-config.sh +++ b/t/t1300-repo-config.sh @@ -247,6 +247,24 @@ EOF test_expect_success 'hierarchical section value' 'cmp .git/config expect' +cat > expect << EOF +beta.noindent=sillyValue +nextsection.nonewline=wow2 for me +123456.a123=987 +1.2.3.alpha=beta +EOF + +test_expect_success 'working --list' \ + 'git-repo-config --list > output && cmp output expect' + +cat > expect << EOF +beta.noindent sillyValue +nextsection.nonewline wow2 for me +EOF + +test_expect_success '--get-regexp' \ + 'git-repo-config --get-regexp in > output && cmp output expect' + cat > .git/config << EOF [novalue] variable @@ -255,5 +273,41 @@ EOF test_expect_success 'get variable with no value' \ 'git-repo-config --get novalue.variable ^$' +git-repo-config > output 2>&1 + +test_expect_success 'no arguments, but no crash' \ + "test $? = 129 && grep usage output" + +cat > .git/config << EOF +[a.b] + c = d +EOF + +git-repo-config a.x y + +cat > expect << EOF +[a.b] + c = d +[a] + x = y +EOF + +test_expect_success 'new section is partial match of another' 'cmp .git/config expect' + +git-repo-config b.x y +git-repo-config a.b c + +cat > expect << EOF +[a.b] + c = d +[a] + x = y + b = c +[b] + x = y +EOF + +test_expect_success 'new variable inserts into proper section' 'cmp .git/config expect' + test_done diff --git a/t/t4010-diff-pathspec.sh b/t/t4010-diff-pathspec.sh index 8db329d7ff..9e1544df9d 100755 --- a/t/t4010-diff-pathspec.sh +++ b/t/t4010-diff-pathspec.sh @@ -28,7 +28,7 @@ cat >expected <<\EOF EOF test_expect_success \ 'limit to path should show nothing' \ - 'git-diff-index --cached $tree path >current && + 'git-diff-index --cached $tree -- path >current && compare_diff_raw current expected' cat >expected <<\EOF @@ -36,7 +36,7 @@ cat >expected <<\EOF EOF test_expect_success \ 'limit to path1 should show path1/file1' \ - 'git-diff-index --cached $tree path1 >current && + 'git-diff-index --cached $tree -- path1 >current && compare_diff_raw current expected' cat >expected <<\EOF @@ -44,7 +44,7 @@ cat >expected <<\EOF EOF test_expect_success \ 'limit to path1/ should show path1/file1' \ - 'git-diff-index --cached $tree path1/ >current && + 'git-diff-index --cached $tree -- path1/ >current && compare_diff_raw current expected' cat >expected <<\EOF @@ -52,14 +52,14 @@ cat >expected <<\EOF EOF test_expect_success \ 'limit to file0 should show file0' \ - 'git-diff-index --cached $tree file0 >current && + 'git-diff-index --cached $tree -- file0 >current && compare_diff_raw current expected' cat >expected <<\EOF EOF test_expect_success \ 'limit to file0/ should emit nothing.' \ - 'git-diff-index --cached $tree file0/ >current && + 'git-diff-index --cached $tree -- file0/ >current && compare_diff_raw current expected' test_done diff --git a/update-index.c b/update-index.c index 1efac27c6b..d63f8ac998 100644 --- a/update-index.c +++ b/update-index.c @@ -6,6 +6,7 @@ #include "cache.h" #include "strbuf.h" #include "quote.h" +#include "tree-walk.h" /* * Default to not allowing changes to the list of files. The @@ -328,7 +329,7 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, return 0; } -static int chmod_path(int flip, const char *path) +static void chmod_path(int flip, const char *path) { int pos; struct cache_entry *ce; @@ -336,21 +337,24 @@ static int chmod_path(int flip, const char *path) pos = cache_name_pos(path, strlen(path)); if (pos < 0) - return -1; + goto fail; ce = active_cache[pos]; mode = ntohl(ce->ce_mode); if (!S_ISREG(mode)) - return -1; + goto fail; switch (flip) { case '+': ce->ce_mode |= htonl(0111); break; case '-': ce->ce_mode &= htonl(~0111); break; default: - return -1; + goto fail; } active_cache_changed = 1; - return 0; + report("chmod %cx '%s'", flip, path); + return; + fail: + die("git-update-index: cannot chmod %cx '%s'", flip, path); } static struct cache_file cache_file; @@ -360,23 +364,26 @@ static void update_one(const char *path, const char *prefix, int prefix_length) const char *p = prefix_path(prefix, prefix_length, path); if (!verify_path(p)) { fprintf(stderr, "Ignoring path %s\n", path); - return; + goto free_return; } if (mark_valid_only) { if (mark_valid(p)) die("Unable to mark file %s", path); - return; + goto free_return; } if (force_remove) { if (remove_file_from_cache(p)) die("git-update-index: unable to remove %s", path); report("remove '%s'", path); - return; + goto free_return; } if (add_file_to_cache(p)) die("Unable to process file %s", path); report("add '%s'", path); + free_return: + if (p != path) + free((char*)p); } static void read_index_info(int line_termination) @@ -469,7 +476,129 @@ static void read_index_info(int line_termination) } static const char update_index_usage[] = -"git-update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--cacheinfo] [--chmod=(+|-)x] [--info-only] [--force-remove] [--stdin] [--index-info] [--ignore-missing] [-z] [--verbose] [--] <file>..."; +"git-update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--really-refresh] [--cacheinfo] [--chmod=(+|-)x] [--assume-unchanged] [--info-only] [--force-remove] [--stdin] [--index-info] [--unresolve] [--ignore-missing] [-z] [--verbose] [--] <file>..."; + +static unsigned char head_sha1[20]; +static unsigned char merge_head_sha1[20]; + +static struct cache_entry *read_one_ent(const char *which, + unsigned char *ent, const char *path, + int namelen, int stage) +{ + unsigned mode; + unsigned char sha1[20]; + int size; + struct cache_entry *ce; + + if (get_tree_entry(ent, path, sha1, &mode)) { + error("%s: not in %s branch.", path, which); + return NULL; + } + if (mode == S_IFDIR) { + error("%s: not a blob in %s branch.", path, which); + return NULL; + } + size = cache_entry_size(namelen); + ce = xcalloc(1, size); + + memcpy(ce->sha1, sha1, 20); + memcpy(ce->name, path, namelen); + ce->ce_flags = create_ce_flags(namelen, stage); + ce->ce_mode = create_ce_mode(mode); + return ce; +} + +static int unresolve_one(const char *path) +{ + int namelen = strlen(path); + int pos; + int ret = 0; + struct cache_entry *ce_2 = NULL, *ce_3 = NULL; + + /* See if there is such entry in the index. */ + pos = cache_name_pos(path, namelen); + if (pos < 0) { + /* If there isn't, either it is unmerged, or + * resolved as "removed" by mistake. We do not + * want to do anything in the former case. + */ + pos = -pos-1; + if (pos < active_nr) { + struct cache_entry *ce = active_cache[pos]; + if (ce_namelen(ce) == namelen && + !memcmp(ce->name, path, namelen)) { + fprintf(stderr, + "%s: skipping still unmerged path.\n", + path); + goto free_return; + } + } + } + + /* Grab blobs from given path from HEAD and MERGE_HEAD, + * stuff HEAD version in stage #2, + * stuff MERGE_HEAD version in stage #3. + */ + ce_2 = read_one_ent("our", head_sha1, path, namelen, 2); + ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3); + + if (!ce_2 || !ce_3) { + ret = -1; + goto free_return; + } + if (!memcmp(ce_2->sha1, ce_3->sha1, 20) && + ce_2->ce_mode == ce_3->ce_mode) { + fprintf(stderr, "%s: identical in both, skipping.\n", + path); + goto free_return; + } + + remove_file_from_cache(path); + if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) { + error("%s: cannot add our version to the index.", path); + ret = -1; + goto free_return; + } + if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD)) + return 0; + error("%s: cannot add their version to the index.", path); + ret = -1; + free_return: + free(ce_2); + free(ce_3); + return ret; +} + +static void read_head_pointers(void) +{ + if (read_ref(git_path("HEAD"), head_sha1)) + die("No HEAD -- no initial commit yet?\n"); + if (read_ref(git_path("MERGE_HEAD"), merge_head_sha1)) { + fprintf(stderr, "Not in the middle of a merge.\n"); + exit(0); + } +} + +static int do_unresolve(int ac, const char **av, + const char *prefix, int prefix_length) +{ + int i; + int err = 0; + + /* Read HEAD and MERGE_HEAD; if MERGE_HEAD does not exist, we + * are not doing a merge, so exit with success status. + */ + read_head_pointers(); + + for (i = 1; i < ac; i++) { + const char *arg = av[i]; + const char *p = prefix_path(prefix, prefix_length, arg); + err |= unresolve_one(p); + if (p != arg) + free((char*)p); + } + return err; +} int main(int argc, const char **argv) { @@ -478,6 +607,7 @@ int main(int argc, const char **argv) int read_from_stdin = 0; const char *prefix = setup_git_directory(); int prefix_length = prefix ? strlen(prefix) : 0; + char set_executable_bit = 0; git_config(git_default_config); @@ -544,8 +674,7 @@ int main(int argc, const char **argv) !strcmp(path, "--chmod=+x")) { if (argc <= i+1) die("git-update-index: %s <path>", path); - if (chmod_path(path[8], argv[++i])) - die("git-update-index: %s cannot chmod %s", path, argv[i]); + set_executable_bit = path[8]; continue; } if (!strcmp(path, "--assume-unchanged")) { @@ -581,6 +710,13 @@ int main(int argc, const char **argv) read_index_info(line_termination); break; } + if (!strcmp(path, "--unresolve")) { + has_errors = do_unresolve(argc - i, argv + i, + prefix, prefix_length); + if (has_errors) + active_cache_changed = 0; + goto finish; + } if (!strcmp(path, "--ignore-missing")) { not_new = 1; continue; @@ -594,12 +730,15 @@ int main(int argc, const char **argv) die("unknown option %s", path); } update_one(path, prefix, prefix_length); + if (set_executable_bit) + chmod_path(set_executable_bit, path); } if (read_from_stdin) { struct strbuf buf; strbuf_init(&buf); while (1) { char *path_name; + const char *p; read_line(&buf, stdin, line_termination); if (buf.eof) break; @@ -607,11 +746,18 @@ int main(int argc, const char **argv) path_name = unquote_c_style(buf.buf, NULL); else path_name = buf.buf; - update_one(path_name, prefix, prefix_length); + p = prefix_path(prefix, prefix_length, path_name); + update_one(p, NULL, 0); + if (set_executable_bit) + chmod_path(set_executable_bit, p); + if (p != path_name) + free((char*) p); if (path_name != buf.buf) free(path_name); } } + + finish: if (active_cache_changed) { if (write_cache(newfd, active_cache, active_nr) || commit_index_file(&cache_file)) |