diff options
Diffstat (limited to 'Documentation')
25 files changed, 363 insertions, 98 deletions
diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 57da6aadeb..69f7e9b76c 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -112,6 +112,14 @@ For C programs: - We try to keep to at most 80 characters per line. + - We try to support a wide range of C compilers to compile git with, + including old ones. That means that you should not use C99 + initializers, even if a lot of compilers grok it. + + - Variables have to be declared at the beginning of the block. + + - NULL pointers shall be written as NULL, not as 0. + - When declaring pointers, the star sides with the variable name, i.e. "char *string", not "char* string" or "char * string". This makes it easier to understand code diff --git a/Documentation/Makefile b/Documentation/Makefile index 361550422a..e53d333e5c 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -21,6 +21,7 @@ ARTICLES += git-tools ARTICLES += git-bisect-lk2009 # with their own formatting rules. SP_ARTICLES = user-manual +SP_ARTICLES += howto/new-command SP_ARTICLES += howto/revert-branch-rebase SP_ARTICLES += howto/using-merge-subtree SP_ARTICLES += howto/using-signed-tag-in-pull-request @@ -31,7 +32,6 @@ SP_ARTICLES += howto/separating-topic-branches SP_ARTICLES += howto/revert-a-faulty-merge SP_ARTICLES += howto/recover-corrupted-blob-object SP_ARTICLES += howto/rebuild-from-update-hook -SP_ARTICLES += howto/rebuild-from-update-hook SP_ARTICLES += howto/rebase-from-internal-branch SP_ARTICLES += howto/maintain-git API_DOCS = $(patsubst %.txt,%,$(filter-out technical/api-index-skel.txt technical/api-index.txt, $(wildcard technical/api-*.txt))) @@ -331,7 +331,7 @@ $(patsubst %.txt,%.texi,$(MAN_TXT)): %.texi : %.xml howto-index.txt: howto-index.sh $(wildcard howto/*.txt) $(QUIET_GEN)$(RM) $@+ $@ && \ - '$(SHELL_PATH_SQ)' ./howto-index.sh $(wildcard howto/*.txt) >$@+ && \ + '$(SHELL_PATH_SQ)' ./howto-index.sh $(sort $(wildcard howto/*.txt)) >$@+ && \ mv $@+ $@ $(patsubst %,%.html,$(ARTICLES)) : %.html : %.txt diff --git a/Documentation/RelNotes/1.8.0.3.txt b/Documentation/RelNotes/1.8.0.3.txt new file mode 100644 index 0000000000..92b1e4b363 --- /dev/null +++ b/Documentation/RelNotes/1.8.0.3.txt @@ -0,0 +1,14 @@ +Git v1.8.0.3 Release Notes +========================== + +Fixes since v1.8.0.2 +-------------------- + + * "git log -p -S<string>" did not apply the textconv filter while + looking for the <string>. + + * In the documentation, some invalid example e-mail addresses were + formatted into mailto: links. + +Also contains many documentation updates backported from the 'master' +branch that is preparing for the upcoming 1.8.1 release. diff --git a/Documentation/RelNotes/1.8.1.txt b/Documentation/RelNotes/1.8.1.txt index 6aa24c64c0..d6f9555923 100644 --- a/Documentation/RelNotes/1.8.1.txt +++ b/Documentation/RelNotes/1.8.1.txt @@ -29,24 +29,17 @@ UI, Workflows & Features * Command-line completion scripts for tcsh and zsh have been added. - * A new remote-helper interface for Mercurial has been added to - contrib/remote-helpers. + * "git-prompt" scriptlet (in contrib/completion) can be told to paint + pieces of the hints in the prompt string in colors. + + * Some documentation pages that used to ship only in the plain text + format are now formatted in HTML as well. * We used to have a workaround for a bug in ancient "less" that causes it to exit without any output when the terminal is resized. The bug has been fixed in "less" version 406 (June 2007), and the workaround has been removed in this release. - * Some documentation pages that used to ship only in the plain text - format are now formatted in HTML as well. - - * "git-prompt" scriptlet (in contrib/completion) can be told to paint - pieces of the hints in the prompt string in colors. - - * A new configuration variable "diff.context" can be used to - give the default number of context lines in the patch output, to - override the hardcoded default of 3 lines. - * When "git checkout" checks out a branch, it tells the user how far behind (or ahead) the new branch is relative to the remote tracking branch it builds upon. The message now also advises how to sync @@ -60,13 +53,17 @@ UI, Workflows & Features API regression but it is expected that nobody will notice it in practice. - * "git log -p -S<string>" now looks for the <string> after applying - the textconv filter (if defined); earlier it inspected the contents - of the blobs without filtering. + * A new configuration variable "diff.context" can be used to + give the default number of context lines in the patch output, to + override the hardcoded default of 3 lines. * "git format-patch" learned the "--notes=<ref>" option to give notes for the commit after the three-dash lines in its output. + * "git log -p -S<string>" now looks for the <string> after applying + the textconv filter (if defined); earlier it inspected the contents + of the blobs without filtering. + * "git log --grep=<pcre>" learned to honor the "grep.patterntype" configuration set to "perl". @@ -116,11 +113,20 @@ Foreign Interface * The remote helper interface to interact with subversion repositories (one of the GSoC 2012 projects) has been merged. + * A new remote-helper interface for Mercurial has been added to + contrib/remote-helpers. + + * The documentation for git(1) was pointing at a page at an external + site for the list of authors that no longer existed. The link has + been updated to point at an alternative site. + Performance, Internal Implementation, etc. * Compilation on Cygwin with newer header files are supported now. + * A couple of low-level implementation updates on MinGW. + * The logic to generate the initial advertisement from "upload-pack" (i.e. what is invoked by "git fetch" on the other side of the connection) to list what refs are available in the repository has diff --git a/Documentation/RelNotes/1.8.2.txt b/Documentation/RelNotes/1.8.2.txt new file mode 100644 index 0000000000..6c85bf4f0f --- /dev/null +++ b/Documentation/RelNotes/1.8.2.txt @@ -0,0 +1,106 @@ +Git v1.8.2 Release Notes +======================== + +Backward compatibility notes +---------------------------- + +In the upcoming major release (tentatively called 1.8.2), we will +change the behavior of the "git push" command. + +When "git push [$there]" does not say what to push, we have used the +traditional "matching" semantics so far (all your branches were sent +to the remote as long as there already are branches of the same name +over there). We will use the "simple" semantics that pushes the +current branch to the branch with the same name, only when the current +branch is set to integrate with that remote branch. There is a user +preference configuration variable "push.default" to change this. + + +Updates since v1.8.1 +-------------------- + +UI, Workflows & Features + + * Initial ports to QNX and z/OS UNIX System Services have started. + + * Output from the tests is coloured using "green is okay, yellow is + questionable, red is bad and blue is informative" scheme. + +Foreign Interface + + * + +Performance, Internal Implementation, etc. + + * + +Also contains minor documentation updates and code clean-ups. + + +Fixes since v1.8.1 +------------------ + +Unless otherwise noted, all the fixes since v1.8.1 in the maintenance +track are contained in this release (see release notes to them for +details). + + * An element on GIT_CEILING_DIRECTORIES list that does not name the + real path to a directory (i.e. a symbolic link) could have caused + the GIT_DIR discovery logic to escape the ceiling. + (merge 059b379 mh/ceiling later to maint). + + * t4014, t9502 and t0200 tests had various portability issues that + broke on OpenBSD. + (merge 27f6342 jc/maint-test-portability later to maint). + + * t9020 and t3600 tests had various portability issues. + (merge 5a02966 jc/test-portability later to maint). + + * t9200 runs "cvs init" on a directory that already exists, but a + platform can configure this fail for the current user (e.g. you + need to be in the cvsadmin group on NetBSD 6.0). + (merge 8666df0 jc/test-cvs-no-init-in-existing-dir later to maint). + + * The behaviour visible to the end users was confusing, when they + attempt to kill a process spawned in the editor that was in turn + launched by Git with SIGINT (or SIGQUIT), as Git would catch that + signal and die. We ignore these signals now. + (merge 1250857 pf/editor-ignore-sigint later to maint). + + * After failing to create a temporary file using mkstemp(), failing + pathname was not reported correctly on some platforms. + (merge f7be59b jc/mkstemp-more-careful-error-reporting later to maint). + + * The way "git svn" asked for password using SSH_ASKPASS and + GIT_ASKPASS was not in line with the rest of the system. + (merge e9263e4 ss/svn-prompt later to maint). + + * The --graph code fell into infinite loop when asked to do what the + code did not expect. + (merge 656197a mk/maint-graph-infinity-loop later to maint). + + * http transport was wrong to ask for the username when the + authentication is done by certificate identity. + (merge 75e9a40 rb/http-cert-cred-no-username-prompt later to maint). + + * "git pack-refs" that ran in parallel to another process that + created new refs had a nasty race. + (merge b3f1280 jk/repack-ref-racefix later to maint). + + * After "git add -N" and then writing a tree object out of the + index, the cache-tree data structure got corrupted. + (merge eec3e7e nd/invalidate-i-t-a-cache-tree later to maint). + + * "gitweb", when sorting by age to show repositories with new + activities first, used to sort repositories with absolutely + nothing in it early, which was not very useful. + (merge 28dae18 md/gitweb-sort-by-age later to maint). + + * When a line to be wrapped has a solid run of non space characters + whose length exactly is the wrap width, "git shortlog -w" failed + to add a newline after such a line. + (merge e0db176 sp/shortlog-missing-lf later to maint). + + * Some shells do not behave correctly when IFS is unset; work it + around by explicitly setting it to the default value. + (merge 393050c jc/maint-fbsd-sh-ifs-workaround later to maint). diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 3d8b2fe4d1..75935d500d 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -9,6 +9,14 @@ Checklist (and a short version for the impatient): - the first line of the commit message should be a short description (50 characters is the soft limit, see DISCUSSION in git-commit(1)), and should skip the full stop + - it is also conventional in most cases to prefix the + first line with "area: " where the area is a filename + or identifier for the general area of the code being + modified, e.g. + . archive: ustar header checksum is computed unsigned + . git-cherry-pick.txt: clarify the use of revision range notation + (if in doubt which identifier to use, run "git log --no-merges" + on the files you are modifying to see the current conventions) - the body should provide a meaningful commit message, which: . explains the problem the change tries to solve, iow, what is wrong with the current code without the change. @@ -119,19 +127,6 @@ in templates/hooks--pre-commit. To help ensure this does not happen, run git diff --check on your changes before you commit. -(1a) Try to be nice to older C compilers - -We try to support a wide range of C compilers to compile -git with. That means that you should not use C99 initializers, even -if a lot of compilers grok it. - -Also, variables have to be declared at the beginning of the block -(you can check this with gcc, using the -Wdeclaration-after-statement -option). - -Another thing: NULL pointers shall be written as NULL, not as 0. - - (2) Generate your patch using git tools out of your commits. git based diff tools generate unidiff which is the preferred format. diff --git a/Documentation/config.txt b/Documentation/config.txt index bf8f911e1f..0e206759fd 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -140,10 +140,11 @@ advice.*:: can tell Git that you do not need help by setting these to 'false': + -- - pushNonFastForward:: + pushUpdateRejected:: Set this variable to 'false' if you want to disable - 'pushNonFFCurrent', 'pushNonFFDefault', and - 'pushNonFFMatching' simultaneously. + 'pushNonFFCurrent', 'pushNonFFDefault', + 'pushNonFFMatching', and 'pushAlreadyExists' + simultaneously. pushNonFFCurrent:: Advice shown when linkgit:git-push[1] fails due to a non-fast-forward update to the current branch. @@ -158,6 +159,9 @@ advice.*:: 'matching refs' explicitly (i.e. you used ':', or specified a refspec that isn't your current branch) and it resulted in a non-fast-forward error. + pushAlreadyExists:: + Shown when linkgit:git-push[1] rejects an update that + does not qualify for fast-forwarding (e.g., a tag.) statusHints:: Show directions on how to proceed from the current state in the output of linkgit:git-status[1], in @@ -1517,6 +1521,14 @@ mailmap.file:: subdirectory, or somewhere outside of the repository itself. See linkgit:git-shortlog[1] and linkgit:git-blame[1]. +mailmap.blob:: + Like `mailmap.file`, but consider the value as a reference to a + blob in the repository. If both `mailmap.file` and + `mailmap.blob` are given, both are parsed, with entries from + `mailmap.file` taking precedence. In a bare repository, this + defaults to `HEAD:.mailmap`. In a non-bare repository, it + defaults to empty. + man.viewer:: Specify the programs that may be used to display help in the 'man' format. See linkgit:git-help[1]. diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index f4f7e250c5..39f2c5074c 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -309,7 +309,11 @@ endif::git-log[] index (i.e. amount of addition/deletions compared to the file's size). For example, `-M90%` means git should consider a delete/add pair to be a rename if more than 90% of the file - hasn't changed. + hasn't changed. Without a `%` sign, the number is to be read as + a fraction, with a decimal point before it. I.e., `-M5` becomes + 0.5, and is thus the same as `-M50%`. Similarly, `-M05` is + the same as `-M5%`. To limit detection to exact renames, use + `-M100%`. -C[<n>]:: --find-copies[=<n>]:: diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt index b4d6476ac8..6e98bdf149 100644 --- a/Documentation/fetch-options.txt +++ b/Documentation/fetch-options.txt @@ -57,14 +57,11 @@ endif::git-pull[] ifndef::git-pull[] -t:: --tags:: - Most of the tags are fetched automatically as branch - heads are downloaded, but tags that do not point at - objects reachable from the branch heads that are being - tracked will not be fetched by this mechanism. This - flag lets all tags and their associated objects be - downloaded. The default behavior for a remote may be - specified with the remote.<name>.tagopt setting. See - linkgit:git-config[1]. + This is a short-hand for giving "refs/tags/*:refs/tags/*" + refspec from the command line, to ask all tags to be fetched + and stored locally. Because this acts as an explicit + refspec, the default refspecs (configured with the + remote.$name.fetch variable) are overridden and not used. --recurse-submodules[=yes|on-demand|no]:: This option controls if and under what conditions new commits of diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt index 7958a47006..6f04d22f5e 100644 --- a/Documentation/git-checkout.txt +++ b/Documentation/git-checkout.txt @@ -21,18 +21,34 @@ or the specified tree. If no paths are given, 'git checkout' will also update `HEAD` to set the specified branch as the current branch. -'git checkout' [<branch>]:: +'git checkout' <branch>:: + To prepare for working on <branch>, switch to it by updating + the index and the files in the working tree, and by pointing + HEAD at the branch. Local modifications to the files in the + working tree are kept, so that they can be committed to the + <branch>. ++ +If <branch> is not found but there does exist a tracking branch in +exactly one remote (call it <remote>) with a matching name, treat as +equivalent to ++ +------------ +$ git checkout -b <branch> --track <remote>/<branch> +------------ ++ +You could omit <branch>, in which case the command degenerates to +"check out the current branch", which is a glorified no-op with a +rather expensive side-effects to show only the tracking information, +if exists, for the current branch. + 'git checkout' -b|-B <new_branch> [<start point>]:: -'git checkout' [--detach] [<commit>]:: - This form switches branches by updating the index, working - tree, and HEAD to reflect the specified branch or commit. -+ -If `-b` is given, a new branch is created as if linkgit:git-branch[1] -were called and then checked out; in this case you can -use the `--track` or `--no-track` options, which will be passed to -'git branch'. As a convenience, `--track` without `-b` implies branch -creation; see the description of `--track` below. + Specifying `-b` causes a new branch to be created as if + linkgit:git-branch[1] were called and then checked out. In + this case you can use the `--track` or `--no-track` options, + which will be passed to 'git branch'. As a convenience, + `--track` without `-b` implies branch creation; see the + description of `--track` below. + If `-B` is given, <new_branch> is created if it doesn't exist; otherwise, it is reset. This is the transactional equivalent of @@ -45,6 +61,21 @@ $ git checkout <branch> that is to say, the branch is not reset/created unless "git checkout" is successful. +'git checkout' --detach [<branch>]:: +'git checkout' <commit>:: + + Prepare to work on top of <commit>, by detaching HEAD at it + (see "DETACHED HEAD" section), and updating the index and the + files in the working tree. Local modifications to the files + in the working tree are kept, so that the resulting working + tree will be the state recorded in the commit plus the local + modifications. ++ +Passing `--detach` forces this behavior in the case of a <branch> (without +the option, giving a branch name to the command would check out the branch, +instead of detaching HEAD at it), or the current commit, +if no <branch> is specified. + 'git checkout' [-p|--patch] [<tree-ish>] [--] <pathspec>...:: When <paths> or `--patch` are given, 'git checkout' does *not* diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt index f8d0819113..f8c06013f3 100644 --- a/Documentation/git-diff.txt +++ b/Documentation/git-diff.txt @@ -12,6 +12,7 @@ SYNOPSIS 'git diff' [options] [<commit>] [--] [<path>...] 'git diff' [options] --cached [<commit>] [--] [<path>...] 'git diff' [options] <commit> <commit> [--] [<path>...] +'git diff' [options] <blob> <blob> 'git diff' [options] [--no-index] [--] <path> <path> DESCRIPTION @@ -55,6 +56,11 @@ directories. This behavior can be forced by --no-index. This is to view the changes between two arbitrary <commit>. +'git diff' [options] <blob> <blob>:: + + This form is to view the differences between the raw + contents of two blob objects. + 'git diff' [--options] <commit>..<commit> [--] [<path>...]:: This is synonymous to the previous form. If <commit> on @@ -72,8 +78,7 @@ directories. This behavior can be forced by --no-index. Just in case if you are doing something exotic, it should be noted that all of the <commit> in the above description, except in the last two forms that use ".." notations, can be any -<tree>. The third form ('git diff <commit> <commit>') can also -be used to compare two <blob> objects. +<tree>. For a more complete list of ways to spell <commit>, see "SPECIFYING REVISIONS" section in linkgit:gitrevisions[7]. diff --git a/Documentation/git-fast-import.txt b/Documentation/git-fast-import.txt index d1844ead4a..68bca1a29d 100644 --- a/Documentation/git-fast-import.txt +++ b/Documentation/git-fast-import.txt @@ -427,7 +427,7 @@ they made it. Here `<name>` is the person's display name (for example ``Com M Itter'') and `<email>` is the person's email address -(``cm@example.com''). `LT` and `GT` are the literal less-than (\x3c) +(``\cm@example.com''). `LT` and `GT` are the literal less-than (\x3c) and greater-than (\x3e) symbols. These are required to delimit the email address from the other fields in the line. Note that `<name>` and `<email>` are free-form and may contain any sequence diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt index 585dac40ba..08a185db7f 100644 --- a/Documentation/git-log.txt +++ b/Documentation/git-log.txt @@ -167,7 +167,7 @@ log.showroot:: `git log -p` output would be shown without a diff attached. The default is `true`. -mailmap.file:: +mailmap.*:: See linkgit:git-shortlog[1]. notes.displayRef:: diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt index 8b637d339f..c964b796be 100644 --- a/Documentation/git-push.txt +++ b/Documentation/git-push.txt @@ -51,10 +51,11 @@ be named. If `:`<dst> is omitted, the same ref as <src> will be updated. + The object referenced by <src> is used to update the <dst> reference -on the remote side, but by default this is only allowed if the -update can fast-forward <dst>. By having the optional leading `+`, -you can tell git to update the <dst> ref even when the update is not a -fast-forward. This does *not* attempt to merge <src> into <dst>. See +on the remote side. By default this is only allowed if <dst> is not +a tag (annotated or lightweight), and then only if it can fast-forward +<dst>. By having the optional leading `+`, you can tell git to update +the <dst> ref even if it is not allowed by default (e.g., it is not a +fast-forward.) This does *not* attempt to merge <src> into <dst>. See EXAMPLES below for details. + `tag <tag>` means the same as `refs/tags/<tag>:refs/tags/<tag>`. diff --git a/Documentation/git-remote-testgit.txt b/Documentation/git-remote-testgit.txt index 2a67d456a3..612a625ced 100644 --- a/Documentation/git-remote-testgit.txt +++ b/Documentation/git-remote-testgit.txt @@ -19,7 +19,7 @@ testcase for the remote-helper functionality, and as an example to show remote-helper authors one possible implementation. The best way to learn more is to read the comments and source code in -'git-remote-testgit.py'. +'git-remote-testgit'. SEE ALSO -------- diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt index 8b0d3adfed..69decb13b0 100644 --- a/Documentation/git-svn.txt +++ b/Documentation/git-svn.txt @@ -628,10 +628,19 @@ ADVANCED OPTIONS Default: "svn" --follow-parent:: + This option is only relevant if we are tracking branches (using + one of the repository layout options --trunk, --tags, + --branches, --stdlayout). For each tracked branch, try to find + out where its revision was copied from, and set + a suitable parent in the first git commit for the branch. This is especially helpful when we're tracking a directory - that has been moved around within the repository, or if we - started tracking a branch and never tracked the trunk it was - descended from. This feature is enabled by default, use + that has been moved around within the repository. If this + feature is disabled, the branches created by 'git svn' will all + be linear and not share any history, meaning that there will be + no information on where branches were branched off or merged. + However, following long/convoluted histories can take a long + time, so disabling this feature may speed up the cloning + process. This feature is enabled by default, use --no-follow-parent to disable it. + [verse] @@ -739,7 +748,8 @@ for rewriteRoot and rewriteUUID which can be used together. BASIC EXAMPLES -------------- -Tracking and contributing to the trunk of a Subversion-managed project: +Tracking and contributing to the trunk of a Subversion-managed project +(ignoring tags and branches): ------------------------------------------------------------------------ # Clone a repo (like git clone): @@ -764,8 +774,10 @@ Tracking and contributing to an entire Subversion-managed project (complete with a trunk, tags and branches): ------------------------------------------------------------------------ -# Clone a repo (like git clone): - git svn clone http://svn.example.com/project -T trunk -b branches -t tags +# Clone a repo with standard SVN directory layout (like git clone): + git svn clone http://svn.example.com/project --stdlayout +# Or, if the repo uses a non-standard directory layout: + git svn clone http://svn.example.com/project -T tr -b branch -t tag # View all branches and tags you have cloned: git branch -r # Create a new branch in SVN @@ -830,6 +842,52 @@ inside git back upstream to SVN users. Therefore it is advised that users keep history as linear as possible inside git to ease compatibility with SVN (see the CAVEATS section below). +HANDLING OF SVN BRANCHES +------------------------ +If 'git svn' is configured to fetch branches (and --follow-branches +is in effect), it sometimes creates multiple git branches for one +SVN branch, where the addtional branches have names of the form +'branchname@nnn' (with nnn an SVN revision number). These additional +branches are created if 'git svn' cannot find a parent commit for the +first commit in an SVN branch, to connect the branch to the history of +the other branches. + +Normally, the first commit in an SVN branch consists +of a copy operation. 'git svn' will read this commit to get the SVN +revision the branch was created from. It will then try to find the +git commit that corresponds to this SVN revision, and use that as the +parent of the branch. However, it is possible that there is no suitable +git commit to serve as parent. This will happen, among other reasons, +if the SVN branch is a copy of a revision that was not fetched by 'git +svn' (e.g. because it is an old revision that was skipped with +'--revision'), or if in SVN a directory was copied that is not tracked +by 'git svn' (such as a branch that is not tracked at all, or a +subdirectory of a tracked branch). In these cases, 'git svn' will still +create a git branch, but instead of using an existing git commit as the +parent of the branch, it will read the SVN history of the directory the +branch was copied from and create appropriate git commits. This is +indicated by the message "Initializing parent: <branchname>". + +Additionally, it will create a special branch named +'<branchname>@<SVN-Revision>', where <SVN-Revision> is the SVN revision +number the branch was copied from. This branch will point to the newly +created parent commit of the branch. If in SVN the branch was deleted +and later recreated from a different version, there will be multiple +such branches with an '@'. + +Note that this may mean that multiple git commits are created for a +single SVN revision. + +An example: in an SVN repository with a standard +trunk/tags/branches layout, a directory trunk/sub is created in r.100. +In r.200, trunk/sub is branched by copying it to branches/. 'git svn +clone -s' will then create a branch 'sub'. It will also create new git +commits for r.100 through r.199 and use these as the history of branch +'sub'. Thus there will be two git commits for each revision from r.100 +to r.199 (one containing trunk/, one containing trunk/sub/). Finally, +it will create a branch 'sub@200' pointing to the new parent commit of +branch 'sub' (i.e. the commit for r.200 and trunk/sub/). + CAVEATS ------- @@ -871,6 +929,21 @@ already dcommitted. It is considered bad practice to --amend commits you've already pushed to a remote repository for other users, and dcommit with SVN is analogous to that. +When cloning an SVN repository, if none of the options for describing +the repository layout is used (--trunk, --tags, --branches, +--stdlayout), 'git svn clone' will create a git repository with +completely linear history, where branches and tags appear as separate +directories in the working copy. While this is the easiest way to get a +copy of a complete repository, for projects with many branches it will +lead to a working copy many times larger than just the trunk. Thus for +projects using the standard directory structure (trunk/branches/tags), +it is recommended to clone with option '--stdlayout'. If the project +uses a non-standard structure, and/or if branches and tags are not +required, it is easiest to only clone one directory (typically trunk), +without giving any repository layout options. If the full history with +branches and tags is required, the options '--trunk' / '--branches' / +'--tags' must be used. + When using multiple --branches or --tags, 'git svn' does not automatically handle name collisions (for example, if two branches from different paths have the same name, or if a branch and a tag have the same name). In these cases, @@ -894,6 +967,12 @@ the possible corner cases (git doesn't do it, either). Committing renamed and copied files is fully supported if they're similar enough for git to detect them. +In SVN, it is possible (though discouraged) to commit changes to a tag +(because a tag is just a directory copy, thus technically the same as a +branch). When cloning an SVN repository, 'git svn' cannot know if such a +commit to a tag will happen in the future. Thus it acts conservatively +and imports all SVN tags as branches, prefixing the tag name with 'tags/'. + CONFIGURATION ------------- diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt index 247534e908..6470cffd32 100644 --- a/Documentation/git-tag.txt +++ b/Documentation/git-tag.txt @@ -129,7 +129,7 @@ This option is only applicable when listing tags without annotation lines. CONFIGURATION ------------- By default, 'git tag' in sign-with-default mode (-s) will use your -committer identity (of the form "Your Name <your@email.address>") to +committer identity (of the form "Your Name <\your@email.address>") to find a key. If you want to use a different default key, you can specify it in the repository configuration as follows: diff --git a/Documentation/git.txt b/Documentation/git.txt index 1d797f27ed..7a3f03b5ce 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -43,9 +43,15 @@ unreleased) version of git, that is available from 'master' branch of the `git.git` repository. Documentation for older releases are available here: -* link:v1.8.0.2/git.html[documentation for release 1.8.0.2] +* link:v1.8.1/git.html[documentation for release 1.8.1] * release notes for + link:RelNotes/1.8.1.txt[1.8.1]. + +* link:v1.8.0.3/git.html[documentation for release 1.8.0.3] + +* release notes for + link:RelNotes/1.8.0.3.txt[1.8.0.3], link:RelNotes/1.8.0.2.txt[1.8.0.2], link:RelNotes/1.8.0.1.txt[1.8.0.1], link:RelNotes/1.8.0.txt[1.8.0]. diff --git a/Documentation/technical/api-command.txt b/Documentation/howto/new-command.txt index ea9b2eda31..36502f6718 100644 --- a/Documentation/technical/api-command.txt +++ b/Documentation/howto/new-command.txt @@ -1,5 +1,10 @@ -Integrating new subcommands -=========================== +From: Eric S. Raymond <esr@thyrsus.com> +Abstract: This is how-to documentation for people who want to add extension + commands to git. It should be read alongside api-builtin.txt. +Content-type: text/asciidoc + +How to integrate new subcommands +================================ This is how-to documentation for people who want to add extension commands to git. It should be read alongside api-builtin.txt. @@ -71,28 +76,28 @@ Integrating a command Here are the things you need to do when you want to merge a new subcommand into the git tree. -0. Don't forget to sign off your patch! +1. Don't forget to sign off your patch! -1. Append your command name to one of the variables BUILTIN_OBJS, +2. Append your command name to one of the variables BUILTIN_OBJS, EXTRA_PROGRAMS, SCRIPT_SH, SCRIPT_PERL or SCRIPT_PYTHON. -2. Drop its test in the t directory. +3. Drop its test in the t directory. -3. If your command is implemented in an interpreted language with a +4. If your command is implemented in an interpreted language with a p-code intermediate form, make sure .gitignore in the main directory includes a pattern entry that ignores such files. Python .pyc and .pyo files will already be covered. -4. If your command has any dependency on a particular version of +5. If your command has any dependency on a particular version of your language, document it in the INSTALL file. -5. There is a file command-list.txt in the distribution main directory +6. There is a file command-list.txt in the distribution main directory that categorizes commands by type, so they can be listed in appropriate subsections in the documentation's summary command list. Add an entry for yours. To understand the categories, look at git-cmmands.txt in the main directory. -6. Give the maintainer one paragraph to include in the RelNotes file +7. Give the maintainer one paragraph to include in the RelNotes file to describe the new feature; a good place to do so is in the cover letter [PATCH 0/n]. diff --git a/Documentation/mailmap.txt b/Documentation/mailmap.txt index 288f04e70c..4a8c276529 100644 --- a/Documentation/mailmap.txt +++ b/Documentation/mailmap.txt @@ -1,5 +1,6 @@ If the file `.mailmap` exists at the toplevel of the repository, or at -the location pointed to by the mailmap.file configuration option, it +the location pointed to by the mailmap.file or mailmap.blob +configuration options, it is used to map author and committer names and email addresses to canonical real names and email addresses. @@ -46,7 +47,7 @@ Jane Doe <jane@desktop.(none)> Joe R. Developer <joe@example.com> ------------ -Note how there is no need for an entry for <jane@laptop.(none)>, because the +Note how there is no need for an entry for `<jane@laptop.(none)>`, because the real name of that author is already correct. Example 2: Your repository contains commits from the following diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index d9eddedc72..105f18a6f9 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -144,7 +144,11 @@ The placeholders are: - '%Cgreen': switch color to green - '%Cblue': switch color to blue - '%Creset': reset color -- '%C(...)': color specification, as described in color.branch.* config option +- '%C(...)': color specification, as described in color.branch.* config option; + adding `auto,` at the beginning will emit color only when colors are + enabled for log output (by `color.diff`, `color.ui`, or `--color`, and + respecting the `auto` settings of the former if we are going to a + terminal) - '%m': left, right or boundary mark - '%n': newline - '%%': a raw '%' diff --git a/Documentation/technical/api-history-graph.txt b/Documentation/technical/api-history-graph.txt index d6fc90ac7e..18142b6d29 100644 --- a/Documentation/technical/api-history-graph.txt +++ b/Documentation/technical/api-history-graph.txt @@ -33,11 +33,11 @@ The following utility functions are wrappers around `graph_next_line()` and They can all be called with a NULL graph argument, in which case no graph output will be printed. -* `graph_show_commit()` calls `graph_next_line()` until it returns non-zero. - This prints all graph lines up to, and including, the line containing this - commit. Output is printed to stdout. The last line printed does not contain - a terminating newline. This should not be called if the commit line has - already been printed, or it will loop forever. +* `graph_show_commit()` calls `graph_next_line()` and + `graph_is_commit_finished()` until one of them return non-zero. This prints + all graph lines up to, and including, the line containing this commit. + Output is printed to stdout. The last line printed does not contain a + terminating newline. * `graph_show_oneline()` calls `graph_next_line()` and prints the result to stdout. The line printed does not contain a terminating newline. diff --git a/Documentation/technical/api-index-skel.txt b/Documentation/technical/api-index-skel.txt index af7cc2e395..730cfacf78 100644 --- a/Documentation/technical/api-index-skel.txt +++ b/Documentation/technical/api-index-skel.txt @@ -11,5 +11,3 @@ documents them. //////////////////////////////////////////////////////////////// // table of contents end //////////////////////////////////////////////////////////////// - -2007-11-24 diff --git a/Documentation/technical/api-string-list.txt b/Documentation/technical/api-string-list.txt index 7386bcab3e..20be348834 100644 --- a/Documentation/technical/api-string-list.txt +++ b/Documentation/technical/api-string-list.txt @@ -82,14 +82,6 @@ Functions call free() on the util members of any items that have to be deleted. Preserve the order of the items that are retained. -`string_list_longest_prefix`:: - - Return the longest string within a string_list that is a - prefix (in the sense of prefixcmp()) of the specified string, - or NULL if no such prefix exists. This function does not - require the string_list to be sorted (it does a linear - search). - `print_string_list`:: Dump a string_list to stdout, useful mainly for debugging purposes. It diff --git a/Documentation/technical/index-format.txt b/Documentation/technical/index-format.txt index 57d6f915b1..7324154838 100644 --- a/Documentation/technical/index-format.txt +++ b/Documentation/technical/index-format.txt @@ -161,8 +161,9 @@ GIT index format this span of index as a tree. An entry can be in an invalidated state and is represented by having - -1 in the entry_count field. In this case, there is no object name - and the next entry starts immediately after the newline. + a negative number in the entry_count field. In this case, there is no + object name and the next entry starts immediately after the newline. + When writing an invalid entry, -1 should always be used as entry_count. The entries are written out in the top-down, depth-first order. The first entry represents the root level of the repository, followed by the |