diff options
Diffstat (limited to 'Documentation')
39 files changed, 961 insertions, 422 deletions
diff --git a/Documentation/RelNotes/2.2.3.txt b/Documentation/RelNotes/2.2.3.txt new file mode 100644 index 0000000000..5bfffa4106 --- /dev/null +++ b/Documentation/RelNotes/2.2.3.txt @@ -0,0 +1,9 @@ +Git v2.2.3 Release Notes +======================== + +Fixes since v2.2.2 +------------------ + + * A handful of codepaths that used to use fixed-sized arrays to hold + pathnames have been corrected to use strbuf and other mechanisms to + allow longer pathnames without fearing overflows. diff --git a/Documentation/RelNotes/2.3.9.txt b/Documentation/RelNotes/2.3.9.txt new file mode 100644 index 0000000000..1a2ad3235a --- /dev/null +++ b/Documentation/RelNotes/2.3.9.txt @@ -0,0 +1,9 @@ +Git v2.3.9 Release Notes +======================== + +Fixes since v2.3.8 +------------------ + + * A handful of codepaths that used to use fixed-sized arrays to hold + pathnames have been corrected to use strbuf and other mechanisms to + allow longer pathnames without fearing overflows. diff --git a/Documentation/RelNotes/2.4.9.txt b/Documentation/RelNotes/2.4.9.txt new file mode 100644 index 0000000000..09af9ddbc7 --- /dev/null +++ b/Documentation/RelNotes/2.4.9.txt @@ -0,0 +1,9 @@ +Git v2.4.9 Release Notes +======================== + +Fixes since v2.4.9 +------------------ + + * A handful of codepaths that used to use fixed-sized arrays to hold + pathnames have been corrected to use strbuf and other mechanisms to + allow longer pathnames without fearing overflows. diff --git a/Documentation/RelNotes/2.5.1.txt b/Documentation/RelNotes/2.5.1.txt new file mode 100644 index 0000000000..b70553308a --- /dev/null +++ b/Documentation/RelNotes/2.5.1.txt @@ -0,0 +1,65 @@ +Git v2.5.1 Release Notes +======================== + +Fixes since v2.5 +---------------- + + * Running an aliased command from a subdirectory when the .git thing + in the working tree is a gitfile pointing elsewhere did not work. + + * Often a fast-import stream builds a new commit on top of the + previous commit it built, and it often unconditionally emits a + "from" command to specify the first parent, which can be omitted in + such a case. This caused fast-import to forget the tree of the + previous commit and then re-read it from scratch, which was + inefficient. Optimize for this common case. + + * The "rev-parse --parseopt" mode parsed the option specification + and the argument hint in a strange way to allow '=' and other + special characters in the option name while forbidding them from + the argument hint. This made it impossible to define an option + like "--pair <key>=<value>" with "pair=key=value" specification, + which instead would have defined a "--pair=key <value>" option. + + * A "rebase" replays changes of the local branch on top of something + else, as such they are placed in stage #3 and referred to as + "theirs", while the changes in the new base, typically a foreign + work, are placed in stage #2 and referred to as "ours". Clarify + the "checkout --ours/--theirs". + + * An experimental "untracked cache" feature used uname(2) in a + slightly unportable way. + + * "sparse checkout" misbehaved for a path that is excluded from the + checkout when switching between branches that differ at the path. + + * The low-level "git send-pack" did not honor 'user.signingkey' + configuration variable when sending a signed-push. + + * An attempt to delete a ref by pushing into a repository whose HEAD + symbolic reference points at an unborn branch that cannot be + created due to ref D/F conflict (e.g. refs/heads/a/b exists, HEAD + points at refs/heads/a) failed. + + * "git subtree" (in contrib/) depended on "git log" output to be + stable, which was a no-no. Apply a workaround to force a + particular date format. + + * "git clone $URL" in recent releases of Git contains a regression in + the code that invents a new repository name incorrectly based on + the $URL. This has been corrected. + (merge db2e220 jk/guess-repo-name-regression-fix later to maint). + + * Running tests with the "-x" option to make them verbose had some + unpleasant interactions with other features of the test suite. + (merge 9b5fe78 jk/test-with-x later to maint). + + * "git pull" in recent releases of Git has a regression in the code + that allows custom path to the --upload-pack=<program>. This has + been corrected. + + * pipe() emulation used in Git for Windows looked at a wrong variable + when checking for an error from an _open_osfhandle() call. + +Also contains typofixes, documentation updates and trivial code +clean-ups. diff --git a/Documentation/RelNotes/2.5.2.txt b/Documentation/RelNotes/2.5.2.txt new file mode 100644 index 0000000000..3f749398bb --- /dev/null +++ b/Documentation/RelNotes/2.5.2.txt @@ -0,0 +1,63 @@ +Git v2.5.2 Release Notes +======================== + +Fixes since v2.5.1 +------------------ + + * "git init empty && git -C empty log" said "bad default revision 'HEAD'", + which was found to be a bit confusing to new users. + + * The "interpret-trailers" helper mistook a multi-paragraph title of + a commit log message with a colon in it as the end of the trailer + block. + + * When re-priming the cache-tree opportunistically while committing + the in-core index as-is, we mistakenly invalidated the in-core + index too aggressively, causing the experimental split-index code + to unnecessarily rewrite the on-disk index file(s). + + * "git archive" did not use zip64 extension when creating an archive + with more than 64k entries, which nobody should need, right ;-)? + + * The code in "multiple-worktree" support that attempted to recover + from an inconsistent state updated an incorrect file. + + * "git rev-list" does not take "--notes" option, but did not complain + when one is given. + + * Because the configuration system does not allow "alias.0foo" and + "pager.0foo" as the configuration key, the user cannot use '0foo' + as a custom command name anyway, but "git 0foo" tried to look these + keys up and emitted useless warnings before saying '0foo is not a + git command'. These warning messages have been squelched. + + * We recently rewrote one of the build scripts in Perl, which made it + necessary to have Perl to build Git. Reduced Perl dependency by + rewriting it again using sed. + + * t1509 test that requires a dedicated VM environment had some + bitrot, which has been corrected. + + * strbuf_read() used to have one extra iteration (and an unnecessary + strbuf_grow() of 8kB), which was eliminated. + + * The codepath to produce error messages had a hard-coded limit to + the size of the message, primarily to avoid memory allocation while + calling die(). + + * When trying to see that an object does not exist, a state errno + leaked from our "first try to open a packfile with O_NOATIME and + then if it fails retry without it" logic on a system that refuses + O_NOATIME. This confused us and caused us to die, saying that the + packfile is unreadable, when we should have just reported that the + object does not exist in that packfile to the caller. + + * An off-by-one error made "git remote" to mishandle a remote with a + single letter nickname. + + * A handful of codepaths that used to use fixed-sized arrays to hold + pathnames have been corrected to use strbuf and other mechanisms to + allow longer pathnames without fearing overflows. + +Also contains typofixes, documentation updates and trivial code +clean-ups. diff --git a/Documentation/RelNotes/2.5.3.txt b/Documentation/RelNotes/2.5.3.txt new file mode 100644 index 0000000000..d1436857cb --- /dev/null +++ b/Documentation/RelNotes/2.5.3.txt @@ -0,0 +1,17 @@ +Git v2.5.3 Release Notes +======================== + +Fixes since v2.5.2 +------------------ + + * The experimental untracked-cache feature were buggy when paths with + a few levels of subdirectories are involved. + + * Recent versions of scripted "git am" has a performance regression + in "git am --skip" codepath, which no longer exists in the + built-in version on the 'master' front. Fix the regression in + the last scripted version that appear in 2.5.x maintenance track + and older. + +Also contains typofixes, documentation updates and trivial code +clean-ups. diff --git a/Documentation/RelNotes/2.6.0.txt b/Documentation/RelNotes/2.6.0.txt index b62c7dde34..7288aaf716 100644 --- a/Documentation/RelNotes/2.6.0.txt +++ b/Documentation/RelNotes/2.6.0.txt @@ -45,6 +45,51 @@ UI, Workflows & Features refs hierarchy other than refs/replace/ for the object replacement data. + * Allow untracked cache (experimental) to be used when sparse + checkout (experimental) is also in use. + + * "git pull --rebase" has been taught to pay attention to + rebase.autostash configuration. + + * The command-line completion script (in contrib/) has been updated. + + * A negative !ref entry in multi-value transfer.hideRefs + configuration can be used to say "don't hide this one". + + * After "git am" without "-3" stops, running "git am -3" pays attention + to "-3" only for the patch that caused the original invocation + to stop. + + * When linked worktree is used, simultaneous "notes merge" instances + for the same ref in refs/notes/* are prevented from stomping on + each other. + + * "git send-email" learned a new option --smtp-auth to limit the SMTP + AUTH mechanisms to be used to a subset of what the system library + supports. + + * A new configuration variable http.sslVersion can be used to specify + what specific version of SSL/TLS to use to make a connection. + + * "git notes merge" can be told with "--strategy=<how>" option how to + automatically handle conflicts; this can now be configured by + setting notes.mergeStrategy configuration variable. + + * "git log --cc" did not show any patch, even though most of the time + the user meant "git log --cc -p -m" to see patch output for commits + with a single parent, and combined diff for merge commits. The + command is taught to DWIM "--cc" (without "--raw" and other forms + of output specification) to "--cc -p -m". + + * "git config --list" output was hard to parse when values consist of + multiple lines. "--name-only" option is added to help this. + + * A handful of usability & cosmetic fixes to gitk and l10n updates. + + * A completely empty e-mail address <> is now allowed in the authors + file used by git-svn, to match the way it accepts the output from + authors-prog. + Performance, Internal Implementation, Development Support etc. @@ -82,6 +127,33 @@ Performance, Internal Implementation, Development Support etc. * Ref listing by "git branch -l" and "git tag -l" commands has started to be rebuilt, based on the for-each-ref machinery. + * The code to perform multi-tree merges has been taught to repopulate + the cache-tree upon a successful merge into the index, so that + subsequent "diff-index --cached" (hence "status") and "write-tree" + (hence "commit") will go faster. + + The same logic in "git checkout" may now be removed, but that is a + separate issue. + + * Tests that assume how reflogs are represented on the filesystem too + much have been corrected. + + * "git am" has been rewritten in "C". + + * git_path() and mkpath() are handy helper functions but it is easy + to misuse, as the callers need to be careful to keep the number of + active results below 4. Their uses have been reduced. + + * The "lockfile" API has been rebuilt on top of a new "tempfile" API. + + * To prepare for allowing a different "ref" backend to be plugged in + to the system, update_ref()/delete_ref() have been taught about + ref-like things like MERGE_HEAD that are per-worktree (they will + always be written to the filesystem inside $GIT_DIR). + + * The gitmodules API that is accessed from the C code learned to + cache stuff lazily. + Also contains various documentation updates and code clean-ups. @@ -98,7 +170,7 @@ notes for details). particular date format. (merge e7aac44 da/subtree-date-confusion later to maint). - * An attempt to delete a ref by pushing into a repositorywhose HEAD + * An attempt to delete a ref by pushing into a repository whose HEAD symbolic reference points at an unborn branch that cannot be created due to ref D/F conflict (e.g. refs/heads/a/b exists, HEAD points at refs/heads/a) failed. @@ -146,9 +218,153 @@ notes for details). * "Is this subdirectory a separate repository that should not be touched?" check "git clean" was inefficient. This was replaced with a more optimized check. - (merge 38ae878 ee/clean-remove-dirs later to maint). + (merge fbf2fec ee/clean-remove-dirs later to maint). + + * The "new-worktree-mode" hack in "checkout" that was added in + nd/multiple-work-trees topic has been removed by updating the + implementation of new "worktree add". + (merge 65f9b75 es/worktree-add-cleanup later to maint). + + * Remove remaining cruft from "git checkout --to", which + transitioned to "git worktree add". + (merge 114ff88 es/worktree-add later to maint). + + * An off-by-one error made "git remote" to mishandle a remote with a + single letter nickname. + (merge bc598c3 mh/get-remote-group-fix later to maint). + + * "git clone $URL", when cloning from a site whose sole purpose is to + host a single repository (hence, no path after <scheme>://<site>/), + tried to use the site name as the new repository name, but did not + remove username or password when <site> part was of the form + <user>@<pass>:<host>. The code is taught to redact these. + (merge adef956 ps/guess-repo-name-at-root later to maint). + + * Running tests with the "-x" option to make them verbose had some + unpleasant interactions with other features of the test suite. + (merge 9b5fe78 jk/test-with-x later to maint). + + * t1509 test that requires a dedicated VM environment had some + bitrot, which has been corrected. + (merge faacc5a ps/t1509-chroot-test-fixup later to maint). + + * "git pull" in recent releases of Git has a regression in the code + that allows custom path to the --upload-pack=<program>. This has + been corrected. + + Note that this is irrelevant for 'master' with "git pull" rewritten + in C. + (merge 13e0e28 mm/pull-upload-pack later to maint). + + * When trying to see that an object does not exist, a state errno + leaked from our "first try to open a packfile with O_NOATIME and + then if it fails retry without it" logic on a system that refuses + O_NOATIME. This confused us and caused us to die, saying that the + packfile is unreadable, when we should have just reported that the + object does not exist in that packfile to the caller. + (merge dff6f28 cb/open-noatime-clear-errno later to maint). + + * The codepath to produce error messages had a hard-coded limit to + the size of the message, primarily to avoid memory allocation while + calling die(). + (merge f4c3edc jk/long-error-messages later to maint). + + * strbuf_read() used to have one extra iteration (and an unnecessary + strbuf_grow() of 8kB), which was eliminated. + (merge 3ebbd00 jh/strbuf-read-use-read-in-full later to maint). + + * We rewrote one of the build scripts in Perl but this reimplements + in Bourne shell. + (merge 57cee8a sg/help-group later to maint). + + * The experimental untracked-cache feature were buggy when paths with + a few levels of subdirectories are involved. + (merge 73f9145 dt/untracked-subdir later to maint). + + * "interpret-trailers" helper mistook a single-liner log message that + has a colon as the end of existing trailer. + + * The "interpret-trailers" helper mistook a multi-paragraph title of + a commit log message with a colon in it as the end of the trailer + block. + (merge 5c99995 cc/trailers-corner-case-fix later to maint). + + * "git describe" without argument defaulted to describe the HEAD + commit, but "git describe --contains" didn't. Arguably, in a + repository used for active development, such defaulting would not + be very useful as the tip of branch is typically not tagged, but it + is better to be consistent. + (merge 2bd0706 sg/describe-contains later to maint). + + * The client side codepaths in "git push" have been cleaned up + and the user can request to perform an optional "signed push", + i.e. sign only when the other end accepts signed push. + (merge 68c757f db/push-sign-if-asked later to maint). + + * Because the configuration system does not allow "alias.0foo" and + "pager.0foo" as the configuration key, the user cannot use '0foo' + as a custom command name anyway, but "git 0foo" tried to look these + keys up and emitted useless warnings before saying '0foo is not a + git command'. These warning messages have been squelched. + (merge 9e9de18 jk/fix-alias-pager-config-key-warnings later to maint). + + * "git rev-list" does not take "--notes" option, but did not complain + when one is given. + (merge 2aea7a5 jk/rev-list-has-no-notes later to maint). + + * When re-priming the cache-tree opportunistically while committing + the in-core index as-is, we mistakenly invalidated the in-core + index too aggressively, causing the experimental split-index code + to unnecessarily rewrite the on-disk index file(s). + (merge 475a344 dt/commit-preserve-base-index-upon-opportunistic-cache-tree-update later to maint). + + * "git archive" did not use zip64 extension when creating an archive + with more than 64k entries, which nobody should need, right ;-)? + (merge 88329ca rs/archive-zip-many later to maint). + + * The code in "multiple-worktree" support that attempted to recover + from an inconsistent state updated an incorrect file. + (merge 82fde87 nd/fixup-linked-gitdir later to maint). + + * On case insensitive systems, "git p4" did not work well with client + specs. + + * "git init empty && git -C empty log" said "bad default revision 'HEAD'", + which was found to be a bit confusing to new users. + (merge ce11360 jk/log-missing-default-HEAD later to maint). + + * Recent versions of scripted "git am" has a performance regression in + "git am --skip" codepath, which no longer exists in the built-in + version on the 'master' front. Fix the regression in the last + scripted version that appear in 2.5.x maintenance track and older. + (merge b9d6689 js/maint-am-skip-performance-regression later to maint). + + * The branch descriptions that are set with "git branch --edit-description" + option were used in many places but they weren't clearly documented. + (merge 561d2b7 po/doc-branch-desc later to maint). * Code cleanups and documentation updates. (merge 1c601af es/doc-clean-outdated-tools later to maint). (merge 3581304 kn/tag-doc-fix later to maint). (merge 3a59e59 kb/i18n-doc later to maint). + (merge 45abdee sb/remove-unused-var-from-builtin-add later to maint). + (merge 14691e3 sb/parse-options-codeformat later to maint). + (merge 4a6ada3 ad/bisect-cleanup later to maint). + (merge da4c5ad ta/docfix-index-format-tech later to maint). + (merge ae25fd3 sb/check-return-from-read-ref later to maint). + (merge b3325df nd/dwim-wildcards-as-pathspecs later to maint). + (merge 7aa9b9b sg/wt-status-header-inclusion later to maint). + (merge f04c690 as/docfix-reflog-expire-unreachable later to maint). + (merge 1269847 sg/t3020-typofix later to maint). + (merge 8b54c23 jc/calloc-pathspec later to maint). + (merge a6926b8 po/po-readme later to maint). + (merge 54d160e ss/fix-config-fd-leak later to maint). + (merge b80fa84 ah/submodule-typofix-in-error later to maint). + (merge 99885bc ah/reflog-typofix-in-error later to maint). + (merge 9476c2c ah/read-tree-usage-string later to maint). + (merge b8c1d27 ah/pack-objects-usage-strings later to maint). + (merge 486e1e1 br/svn-doc-include-paths-config later to maint). + (merge 1733ed3 ee/clean-test-fixes later to maint). + (merge 5fcadc3 gb/apply-comment-typofix later to maint). + (merge b894d3e mp/t7060-diff-index-test later to maint). + (merge d238710 as/config-doc-markup-fix later to maint). diff --git a/Documentation/blame-options.txt b/Documentation/blame-options.txt index a09969ba08..760eab7428 100644 --- a/Documentation/blame-options.txt +++ b/Documentation/blame-options.txt @@ -63,11 +63,10 @@ include::line-range-format.txt[] `-` to make the command read from the standard input). --date <format>:: - The value is one of the following alternatives: - {relative,local,default,iso,rfc,short}. If --date is not + Specifies the format used to output dates. If --date is not provided, the value of the blame.date config variable is used. If the blame.date config variable is also not set, the - iso format is used. For more information, See the discussion + iso format is used. For supported values, see the discussion of the --date option at linkgit:git-log[1]. -M|<num>|:: diff --git a/Documentation/config.txt b/Documentation/config.txt index 315f2710af..4d3cb107f8 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -769,6 +769,14 @@ am.keepcr:: by giving '--no-keep-cr' from the command line. See linkgit:git-am[1], linkgit:git-mailsplit[1]. +am.threeWay:: + By default, `git am` will fail if the patch does not apply cleanly. When + set to true, this setting tells `git am` to fall back on 3-way merge if + the patch records the identity of blobs it is supposed to apply to and + we have those blobs available locally (equivalent to giving the `--3way` + option from the command line). Defaults to `false`. + See linkgit:git-am[1]. + apply.ignoreWhitespace:: When set to 'change', tells 'git apply' to ignore changes in whitespace, in the same way as the '--ignore-space-change' @@ -858,9 +866,9 @@ branch.<name>.rebase:: "git pull" is run. See "pull.rebase" for doing this in a non branch-specific manner. + - When preserve, also pass `--preserve-merges` along to 'git rebase' - so that locally committed merge commits will not be flattened - by running 'git pull'. +When preserve, also pass `--preserve-merges` along to 'git rebase' +so that locally committed merge commits will not be flattened +by running 'git pull'. + *NOTE*: this is a possibly dangerous operation; do *not* use it unless you understand the implications (see linkgit:git-rebase[1] @@ -1299,28 +1307,34 @@ gc.packRefs:: gc.pruneExpire:: When 'git gc' is run, it will call 'prune --expire 2.weeks.ago'. Override the grace period with this config variable. The value - "now" may be used to disable this grace period and always prune - unreachable objects immediately. - -gc.pruneWorktreesExpire:: - When 'git gc' is run, it will call - 'prune --worktrees --expire 3.months.ago'. - Override the grace period with this config variable. The value - "now" may be used to disable the grace period and prune - $GIT_DIR/worktrees immediately. + "now" may be used to disable this grace period and always prune + unreachable objects immediately, or "never" may be used to + suppress pruning. + +gc.worktreePruneExpire:: + When 'git gc' is run, it calls + 'git worktree prune --expire 3.months.ago'. + This config variable can be used to set a different grace + period. The value "now" may be used to disable the grace + period and prune $GIT_DIR/worktrees immediately, or "never" + may be used to suppress pruning. gc.reflogExpire:: gc.<pattern>.reflogExpire:: 'git reflog expire' removes reflog entries older than - this time; defaults to 90 days. With "<pattern>" (e.g. + this time; defaults to 90 days. The value "now" expires all + entries immediately, and "never" suppresses expiration + altogether. With "<pattern>" (e.g. "refs/stash") in the middle the setting applies only to the refs that match the <pattern>. gc.reflogExpireUnreachable:: -gc.<ref>.reflogExpireUnreachable:: +gc.<pattern>.reflogExpireUnreachable:: 'git reflog expire' removes reflog entries older than this time and are not reachable from the current tip; - defaults to 30 days. With "<pattern>" (e.g. "refs/stash") + defaults to 30 days. The value "now" expires all entries + immediately, and "never" suppresses expiration altogether. + With "<pattern>" (e.g. "refs/stash") in the middle, the setting applies only to the refs that match the <pattern>. @@ -1595,6 +1609,29 @@ http.saveCookies:: If set, store cookies received during requests to the file specified by http.cookieFile. Has no effect if http.cookieFile is unset. +http.sslVersion:: + The SSL version to use when negotiating an SSL connection, if you + want to force the default. The available and default version + depend on whether libcurl was built against NSS or OpenSSL and the + particular configuration of the crypto library in use. Internally + this sets the 'CURLOPT_SSL_VERSION' option; see the libcurl + documentation for more details on the format of this option and + for the ssl version supported. Actually the possible values of + this option are: + + - sslv2 + - sslv3 + - tlsv1 + - tlsv1.0 + - tlsv1.1 + - tlsv1.2 + ++ +Can be overridden by the 'GIT_SSL_VERSION' environment variable. +To force git to use libcurl's default ssl version and ignore any +explicit http.sslversion option, set 'GIT_SSL_VERSION' to the +empty string. + http.sslCipherList:: A list of SSL ciphers to use when negotiating an SSL connection. The available ciphers depend on whether libcurl was built against @@ -1792,9 +1829,7 @@ log.abbrevCommit:: log.date:: Set the default date-time mode for the 'log' command. Setting a value for log.date is similar to using 'git log''s - `--date` option. Possible values are `relative`, `local`, - `default`, `iso`, `rfc`, and `short`; see linkgit:git-log[1] - for details. + `--date` option. See linkgit:git-log[1] for details. log.decorate:: Print out the ref names of any commits that are shown by the log @@ -1905,6 +1940,18 @@ mergetool.writeToTemp:: mergetool.prompt:: Prompt before each invocation of the merge resolution program. +notes.mergeStrategy:: + Which merge strategy to choose by default when resolving notes + conflicts. Must be one of `manual`, `ours`, `theirs`, `union`, or + `cat_sort_uniq`. Defaults to `manual`. See "NOTES MERGE STRATEGIES" + section of linkgit:git-notes[1] for more information on each strategy. + +notes.<name>.mergeStrategy:: + Which merge strategy to choose when doing a notes merge into + refs/notes/<name>. This overrides the more general + "notes.mergeStrategy". See the "NOTES MERGE STRATEGIES" section in + linkgit:git-notes[1] for more information on the available strategies. + notes.displayRef:: The (fully qualified) refname from which to show notes when showing commit messages. The value of this variable can be set @@ -1933,8 +1980,8 @@ notes.rewriteMode:: When copying notes during a rewrite (see the "notes.rewrite.<command>" option), determines what to do if the target commit already has a note. Must be one of - `overwrite`, `concatenate`, or `ignore`. Defaults to - `concatenate`. + `overwrite`, `concatenate`, `cat_sort_uniq`, or `ignore`. + Defaults to `concatenate`. + This setting can be overridden with the `GIT_NOTES_REWRITE_MODE` environment variable. @@ -2089,9 +2136,9 @@ pull.rebase:: pull" is run. See "branch.<name>.rebase" for setting this on a per-branch basis. + - When preserve, also pass `--preserve-merges` along to 'git rebase' - so that locally committed merge commits will not be flattened - by running 'git pull'. +When preserve, also pass `--preserve-merges` along to 'git rebase' +so that locally committed merge commits will not be flattened +by running 'git pull'. + *NOTE*: this is a possibly dangerous operation; do *not* use it unless you understand the implications (see linkgit:git-rebase[1] @@ -2164,6 +2211,14 @@ push.followTags:: may override this configuration at time of push by specifying '--no-follow-tags'. +push.gpgSign:: + May be set to a boolean value, or the string 'if-asked'. A true + value causes all pushes to be GPG signed, as if '--signed' is + passed to linkgit:git-push[1]. The string 'if-asked' causes + pushes to be signed if the server supports it, as if + '--signed=if-asked' is passed to 'git push'. A false value may + override a value from a lower-priority config file. An explicit + command-line flag always overrides this config option. rebase.stat:: Whether to show a diffstat of what changed upstream since the last @@ -2299,13 +2354,10 @@ receive.denyNonFastForwards:: set when initializing a shared repository. receive.hideRefs:: - String(s) `receive-pack` uses to decide which refs to omit - from its initial advertisement. Use more than one - definitions to specify multiple prefix strings. A ref that - are under the hierarchies listed on the value of this - variable is excluded, and is hidden when responding to `git - push`, and an attempt to update or delete a hidden ref by - `git push` is rejected. + This variable is the same as `transfer.hideRefs`, but applies + only to `receive-pack` (and so affects pushes, but not fetches). + An attempt to update or delete a hidden ref by `git push` is + rejected. receive.updateServerInfo:: If set to true, git-receive-pack will run git-update-server-info @@ -2533,6 +2585,16 @@ status.submoduleSummary:: submodule summary' command, which shows a similar output but does not honor these settings. +stash.showPatch:: + If this is set to true, the `git stash show` command without an + option will show the stash in patch form. Defaults to false. + See description of 'show' command in linkgit:git-stash[1]. + +stash.showStat:: + If this is set to true, the `git stash show` command without an + option will show diffstat of the stash. Defaults to true. + See description of 'show' command in linkgit:git-stash[1]. + submodule.<name>.path:: submodule.<name>.url:: The path within this project and URL for a submodule. These @@ -2593,9 +2655,18 @@ transfer.fsckObjects:: Defaults to false. transfer.hideRefs:: - This variable can be used to set both `receive.hideRefs` - and `uploadpack.hideRefs` at the same time to the same - values. See entries for these other variables. + String(s) `receive-pack` and `upload-pack` use to decide which + refs to omit from their initial advertisements. Use more than + one definition to specify multiple prefix strings. A ref that is + under the hierarchies listed in the value of this variable is + excluded, and is hidden when responding to `git push` or `git + fetch`. See `receive.hideRefs` and `uploadpack.hideRefs` for + program-specific versions of this config. ++ +You may also include a `!` in front of the ref name to negate the entry, +explicitly exposing it, even if an earlier entry marked it as hidden. +If you have multiple hideRefs values, later entries override earlier ones +(and entries in more-specific config files override less-specific ones). transfer.unpackLimit:: When `fetch.unpackLimit` or `receive.unpackLimit` are @@ -2610,13 +2681,10 @@ uploadarchive.allowUnreachable:: `false`. uploadpack.hideRefs:: - String(s) `upload-pack` uses to decide which refs to omit - from its initial advertisement. Use more than one - definitions to specify multiple prefix strings. A ref that - are under the hierarchies listed on the value of this - variable is excluded, and is hidden from `git ls-remote`, - `git fetch`, etc. An attempt to fetch a hidden ref by `git - fetch` will fail. See also `uploadpack.allowTipSHA1InWant`. + This variable is the same as `transfer.hideRefs`, but applies + only to `upload-pack` (and so affects only fetches, not pushes). + An attempt to fetch a hidden ref by `git fetch` will fail. See + also `uploadpack.allowTipSHA1InWant`. uploadpack.allowTipSHA1InWant:: When `uploadpack.hideRefs` is in effect, allow `upload-pack` diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt index 0d8ba48f79..dbea6e7ae9 100644 --- a/Documentation/git-am.txt +++ b/Documentation/git-am.txt @@ -10,7 +10,7 @@ SYNOPSIS -------- [verse] 'git am' [--signoff] [--keep] [--[no-]keep-cr] [--[no-]utf8] - [--3way] [--interactive] [--committer-date-is-author-date] + [--[no-]3way] [--interactive] [--committer-date-is-author-date] [--ignore-date] [--ignore-space-change | --ignore-whitespace] [--whitespace=<option>] [-C<n>] [-p<n>] [--directory=<dir>] [--exclude=<path>] [--include=<path>] [--reject] [-q | --quiet] @@ -90,10 +90,13 @@ default. You can use `--no-utf8` to override this. -3:: --3way:: +--no-3way:: When the patch does not apply cleanly, fall back on 3-way merge if the patch records the identity of blobs it is supposed to apply to and we have those blobs - available locally. + available locally. `--no-3way` can be used to override + am.threeWay configuration variable. For more information, + see am.threeWay in linkgit:git-config[1]. --ignore-space-change:: --ignore-whitespace:: diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt index 4cb52a7302..2044fe6820 100644 --- a/Documentation/git-bisect.txt +++ b/Documentation/git-bisect.txt @@ -3,7 +3,7 @@ git-bisect(1) NAME ---- -git-bisect - Find by binary search the change that introduced a bug +git-bisect - Use binary search to find the commit that introduced a bug SYNOPSIS @@ -16,74 +16,89 @@ DESCRIPTION The command takes various subcommands, and different options depending on the subcommand: - git bisect help - git bisect start [--no-checkout] [<bad> [<good>...]] [--] [<paths>...] - git bisect bad [<rev>] - git bisect good [<rev>...] + git bisect start [--term-{old,good}=<term> --term-{new,bad}=<term>] + [--no-checkout] [<bad> [<good>...]] [--] [<paths>...] + git bisect (bad|new) [<rev>] + git bisect (good|old) [<rev>...] + git bisect terms [--term-good | --term-bad] git bisect skip [(<rev>|<range>)...] git bisect reset [<commit>] git bisect visualize git bisect replay <logfile> git bisect log git bisect run <cmd>... + git bisect help -This command uses 'git rev-list --bisect' to help drive the -binary search process to find which change introduced a bug, given an -old "good" commit object name and a later "bad" commit object name. - -Getting help -~~~~~~~~~~~~ - -Use "git bisect" to get a short usage description, and "git bisect -help" or "git bisect -h" to get a long usage description. +This command uses a binary search algorithm to find which commit in +your project's history introduced a bug. You use it by first telling +it a "bad" commit that is known to contain the bug, and a "good" +commit that is known to be before the bug was introduced. Then `git +bisect` picks a commit between those two endpoints and asks you +whether the selected commit is "good" or "bad". It continues narrowing +down the range until it finds the exact commit that introduced the +change. + +In fact, `git bisect` can be used to find the commit that changed +*any* property of your project; e.g., the commit that fixed a bug, or +the commit that caused a benchmark's performance to improve. To +support this more general usage, the terms "old" and "new" can be used +in place of "good" and "bad", or you can choose your own terms. See +section "Alternate terms" below for more information. Basic bisect commands: start, bad, good ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Using the Linux kernel tree as an example, basic use of the bisect -command is as follows: +As an example, suppose you are trying to find the commit that broke a +feature that was known to work in version `v2.6.13-rc2` of your +project. You start a bisect session as follows: ------------------------------------------------ $ git bisect start $ git bisect bad # Current version is bad -$ git bisect good v2.6.13-rc2 # v2.6.13-rc2 was the last version - # tested that was good +$ git bisect good v2.6.13-rc2 # v2.6.13-rc2 is known to be good +------------------------------------------------ + +Once you have specified at least one bad and one good commit, `git +bisect` selects a commit in the middle of that range of history, +checks it out, and outputs something similar to the following: + +------------------------------------------------ +Bisecting: 675 revisions left to test after this (roughly 10 steps) ------------------------------------------------ -When you have specified at least one bad and one good version, the -command bisects the revision tree and outputs something similar to -the following: +You should now compile the checked-out version and test it. If that +version works correctly, type ------------------------------------------------ -Bisecting: 675 revisions left to test after this +$ git bisect good ------------------------------------------------ -The state in the middle of the set of revisions is then checked out. -You would now compile that kernel and boot it. If the booted kernel -works correctly, you would then issue the following command: +If that version is broken, type ------------------------------------------------ -$ git bisect good # this one is good +$ git bisect bad ------------------------------------------------ -The output of this command would be something similar to the following: +Then `git bisect` will respond with something like ------------------------------------------------ -Bisecting: 337 revisions left to test after this +Bisecting: 337 revisions left to test after this (roughly 9 steps) ------------------------------------------------ -You keep repeating this process, compiling the tree, testing it, and -depending on whether it is good or bad issuing the command "git bisect good" -or "git bisect bad" to ask for the next bisection. +Keep repeating the process: compile the tree, test it, and depending +on whether it is good or bad run `git bisect good` or `git bisect bad` +to ask for the next commit that needs testing. + +Eventually there will be no more revisions left to inspect, and the +command will print out a description of the first bad commit. The +reference `refs/bisect/bad` will be left pointing at that commit. -Eventually there will be no more revisions left to bisect, and you -will have been left with the first bad kernel revision in "refs/bisect/bad". Bisect reset ~~~~~~~~~~~~ After a bisect session, to clean up the bisection state and return to -the original HEAD (i.e., to quit bisecting), issue the following command: +the original HEAD, issue the following command: ------------------------------------------------ $ git bisect reset @@ -100,9 +115,83 @@ instead: $ git bisect reset <commit> ------------------------------------------------ -For example, `git bisect reset HEAD` will leave you on the current -bisection commit and avoid switching commits at all, while `git bisect -reset bisect/bad` will check out the first bad revision. +For example, `git bisect reset bisect/bad` will check out the first +bad revision, while `git bisect reset HEAD` will leave you on the +current bisection commit and avoid switching commits at all. + + +Alternate terms +~~~~~~~~~~~~~~~ + +Sometimes you are not looking for the commit that introduced a +breakage, but rather for a commit that caused a change between some +other "old" state and "new" state. For example, you might be looking +for the commit that introduced a particular fix. Or you might be +looking for the first commit in which the source-code filenames were +finally all converted to your company's naming standard. Or whatever. + +In such cases it can be very confusing to use the terms "good" and +"bad" to refer to "the state before the change" and "the state after +the change". So instead, you can use the terms "old" and "new", +respectively, in place of "good" and "bad". (But note that you cannot +mix "good" and "bad" with "old" and "new" in a single session.) + +In this more general usage, you provide `git bisect` with a "new" +commit has some property and an "old" commit that doesn't have that +property. Each time `git bisect` checks out a commit, you test if that +commit has the property. If it does, mark the commit as "new"; +otherwise, mark it as "old". When the bisection is done, `git bisect` +will report which commit introduced the property. + +To use "old" and "new" instead of "good" and bad, you must run `git +bisect start` without commits as argument and then run the following +commands to add the commits: + +------------------------------------------------ +git bisect old [<rev>] +------------------------------------------------ + +to indicate that a commit was before the sought change, or + +------------------------------------------------ +git bisect new [<rev>...] +------------------------------------------------ + +to indicate that it was after. + +To get a reminder of the currently used terms, use + +------------------------------------------------ +git bisect terms +------------------------------------------------ + +You can get just the old (respectively new) term with `git bisect term +--term-old` or `git bisect term --term-good`. + +If you would like to use your own terms instead of "bad"/"good" or +"new"/"old", you can choose any names you like (except existing bisect +subcommands like `reset`, `start`, ...) by starting the +bisection using + +------------------------------------------------ +git bisect start --term-old <term-old> --term-new <term-new> +------------------------------------------------ + +For example, if you are looking for a commit that introduced a +performance regression, you might use + +------------------------------------------------ +git bisect start --term-old fast --term-new slow +------------------------------------------------ + +Or if you are looking for the commit that fixed a bug, you might use + +------------------------------------------------ +git bisect start --term-new fixed --term-old broken +------------------------------------------------ + +Then, use `git bisect <term-old>` and `git bisect <term-new>` instead +of `git bisect good` and `git bisect bad` to mark commits. Bisect visualize ~~~~~~~~~~~~~~~~ @@ -147,17 +236,17 @@ $ git bisect replay that-file Avoiding testing a commit ~~~~~~~~~~~~~~~~~~~~~~~~~ -If, in the middle of a bisect session, you know that the next suggested -revision is not a good one to test (e.g. the change the commit -introduces is known not to work in your environment and you know it -does not have anything to do with the bug you are chasing), you may -want to find a nearby commit and try that instead. +If, in the middle of a bisect session, you know that the suggested +revision is not a good one to test (e.g. it fails to build and you +know that the failure does not have anything to do with the bug you +are chasing), you can manually select a nearby commit and test that +one instead. For example: ------------ $ git bisect good/bad # previous round was good or bad. -Bisecting: 337 revisions left to test after this +Bisecting: 337 revisions left to test after this (roughly 9 steps) $ git bisect visualize # oops, that is uninteresting. $ git reset --hard HEAD~3 # try 3 revisions before what # was suggested @@ -169,18 +258,19 @@ the revision as good or bad in the usual manner. Bisect skip ~~~~~~~~~~~~ -Instead of choosing by yourself a nearby commit, you can ask Git -to do it for you by issuing the command: +Instead of choosing a nearby commit by yourself, you can ask Git to do +it for you by issuing the command: ------------ $ git bisect skip # Current version cannot be tested ------------ -But Git may eventually be unable to tell the first bad commit among -a bad commit and one or more skipped commits. +However, if you skip a commit adjacent to the one you are looking for, +Git will be unable to tell exactly which of those commits was the +first bad one. -You can even skip a range of commits, instead of just one commit, -using the "'<commit1>'..'<commit2>'" notation. For example: +You can also skip a range of commits, instead of just one commit, +using range notation. For example: ------------ $ git bisect skip v2.5..v2.6 @@ -196,8 +286,8 @@ would issue the command: $ git bisect skip v2.5 v2.5..v2.6 ------------ -This tells the bisect process that the commits between `v2.5` included -and `v2.6` included should be skipped. +This tells the bisect process that the commits between `v2.5` and +`v2.6` (inclusive) should be skipped. Cutting down bisection by giving more parameters to bisect start @@ -231,14 +321,14 @@ or bad, you can bisect by issuing the command: $ git bisect run my_script arguments ------------ -Note that the script (`my_script` in the above example) should -exit with code 0 if the current source code is good, and exit with a -code between 1 and 127 (inclusive), except 125, if the current -source code is bad. +Note that the script (`my_script` in the above example) should exit +with code 0 if the current source code is good/old, and exit with a +code between 1 and 127 (inclusive), except 125, if the current source +code is bad/new. Any other exit code will abort the bisect process. It should be noted -that a program that terminates via "exit(-1)" leaves $? = 255, (see the -exit(3) manual page), as the value is chopped with "& 0377". +that a program that terminates via `exit(-1)` leaves $? = 255, (see the +exit(3) manual page), as the value is chopped with `& 0377`. The special exit code 125 should be used when the current source code cannot be tested. If the script exits with this code, the current @@ -247,7 +337,7 @@ as the highest sensible value to use for this purpose, because 126 and 127 are used by POSIX shells to signal specific error status (127 is for command not found, 126 is for command found but not executable---these details do not matter, as they are normal errors in the script, as far as -"bisect run" is concerned). +`bisect run` is concerned). You may often find that during a bisect session you want to have temporary modifications (e.g. s/#define DEBUG 0/#define DEBUG 1/ in a @@ -260,7 +350,7 @@ next revision to test, the script can apply the patch before compiling, run the real test, and afterwards decide if the revision (possibly with the needed patch) passed the test and then rewind the tree to the pristine state. Finally the script should exit -with the status of the real test to let the "git bisect run" command loop +with the status of the real test to let the `git bisect run` command loop determine the eventual outcome of the bisect session. OPTIONS @@ -307,12 +397,12 @@ $ git bisect run ~/test.sh $ git bisect reset # quit the bisect session ------------ + -Here we use a "test.sh" custom script. In this script, if "make" +Here we use a `test.sh` custom script. In this script, if `make` fails, we skip the current commit. -"check_test_case.sh" should "exit 0" if the test case passes, -and "exit 1" otherwise. +`check_test_case.sh` should `exit 0` if the test case passes, +and `exit 1` otherwise. + -It is safer if both "test.sh" and "check_test_case.sh" are +It is safer if both `test.sh` and `check_test_case.sh` are outside the repository to prevent interactions between the bisect, make and test processes and the scripts. @@ -379,6 +469,26 @@ In this case, when 'git bisect run' finishes, bisect/bad will refer to a commit has at least one parent whose reachable graph is fully traversable in the sense required by 'git pack objects'. +* Look for a fix instead of a regression in the code ++ +------------ +$ git bisect start +$ git bisect new HEAD # current commit is marked as new +$ git bisect old HEAD~10 # the tenth commit from now is marked as old +------------ ++ +or: +------------ +$ git bisect start --term-old broken --term-new fixed +$ git bisect fixed +$ git bisect broken HEAD~10 +------------ + +Getting help +~~~~~~~~~~~~ + +Use `git bisect` to get a short usage description, and `git bisect +help` or `git bisect -h` to get a long usage description. SEE ALSO -------- diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt index a67138a022..bbbade4f51 100644 --- a/Documentation/git-branch.txt +++ b/Documentation/git-branch.txt @@ -197,7 +197,9 @@ start-point is either a local or remote-tracking branch. --edit-description:: Open an editor and edit the text to explain what the branch is - for, to be used by various other commands (e.g. `request-pull`). + for, to be used by various other commands (e.g. `format-patch`, + `request-pull`, and `merge` (if enabled)). Multi-line explanations + may be used. --contains [<commit>]:: Only list branches which contain the specified commit (HEAD diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt index 02ec096faa..2608ca74ac 100644 --- a/Documentation/git-config.txt +++ b/Documentation/git-config.txt @@ -14,13 +14,13 @@ SYNOPSIS 'git config' [<file-option>] [type] --replace-all name value [value_regex] 'git config' [<file-option>] [type] [-z|--null] --get name [value_regex] 'git config' [<file-option>] [type] [-z|--null] --get-all name [value_regex] -'git config' [<file-option>] [type] [-z|--null] --get-regexp name_regex [value_regex] +'git config' [<file-option>] [type] [-z|--null] [--name-only] --get-regexp name_regex [value_regex] 'git config' [<file-option>] [type] [-z|--null] --get-urlmatch name URL 'git config' [<file-option>] --unset name [value_regex] 'git config' [<file-option>] --unset-all name [value_regex] 'git config' [<file-option>] --rename-section old_name new_name 'git config' [<file-option>] --remove-section name -'git config' [<file-option>] [-z|--null] -l | --list +'git config' [<file-option>] [-z|--null] [--name-only] -l | --list 'git config' [<file-option>] --get-color name [default] 'git config' [<file-option>] --get-colorbool name [stdout-is-tty] 'git config' [<file-option>] -e | --edit @@ -159,7 +159,7 @@ See also <<FILES>>. -l:: --list:: - List all variables set in config file. + List all variables set in config file, along with their values. --bool:: 'git config' will ensure that the output is "true" or "false" @@ -190,6 +190,10 @@ See also <<FILES>>. output without getting confused e.g. by values that contain line breaks. +--name-only:: + Output only the names of config variables for `--list` or + `--get-regexp`. + --get-colorbool name [stdout-is-tty]:: Find the color setting for `name` (e.g. `color.diff`) and output diff --git a/Documentation/git-describe.txt b/Documentation/git-describe.txt index e045fc73f8..c8f28c8c86 100644 --- a/Documentation/git-describe.txt +++ b/Documentation/git-describe.txt @@ -9,7 +9,7 @@ git-describe - Describe a commit using the most recent tag reachable from it SYNOPSIS -------- [verse] -'git describe' [--all] [--tags] [--contains] [--abbrev=<n>] <commit-ish>... +'git describe' [--all] [--tags] [--contains] [--abbrev=<n>] [<commit-ish>...] 'git describe' [--all] [--tags] [--contains] [--abbrev=<n>] --dirty[=<mark>] DESCRIPTION @@ -27,7 +27,7 @@ see the -a and -s options to linkgit:git-tag[1]. OPTIONS ------- <commit-ish>...:: - Commit-ish object names to describe. + Commit-ish object names to describe. Defaults to HEAD if omitted. --dirty[=<mark>]:: Describe the working tree. diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index 16b4ac5614..c6f073cea4 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -165,9 +165,8 @@ the object referred by the ref does not cause an error. It returns an empty string instead. As a special case for the date-type fields, you may specify a format for -the date by adding one of `:default`, `:relative`, `:short`, `:local`, -`:iso8601`, `:rfc2822` or `:raw` to the end of the fieldname; e.g. -`%(taggerdate:relative)`. +the date by adding `:` followed by date format name (see the +values the `--date` option to linkgit::git-rev-list[1] takes). EXAMPLES diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt index 0dac4e9b86..4035649117 100644 --- a/Documentation/git-format-patch.txt +++ b/Documentation/git-format-patch.txt @@ -213,7 +213,7 @@ feeding the result to `git send-email`. --[no-]cover-letter:: In addition to the patches, generate a cover letter file - containing the shortlog and the overall diffstat. You can + containing the branch description, shortlog and the overall diffstat. You can fill in a description in the file before sending it out. --notes[=<ref>]:: diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index 273a1009be..a62d6729b9 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -78,7 +78,7 @@ will be appended to the specified message. + The 'git fmt-merge-msg' command can be used to give a good default for automated 'git merge' -invocations. +invocations. The automated message can include the branch description. --[no-]rerere-autoupdate:: Allow the rerere mechanism to update the index with the diff --git a/Documentation/git-notes.txt b/Documentation/git-notes.txt index 851518d531..a9a916f360 100644 --- a/Documentation/git-notes.txt +++ b/Documentation/git-notes.txt @@ -101,7 +101,7 @@ merge:: any) into the current notes ref (called "local"). + If conflicts arise and a strategy for automatically resolving -conflicting notes (see the -s/--strategy option) is not given, +conflicting notes (see the "NOTES MERGE STRATEGIES" section) is not given, the "manual" resolver is used. This resolver checks out the conflicting notes in a special worktree (`.git/NOTES_MERGE_WORKTREE`), and instructs the user to manually resolve the conflicts there. @@ -183,6 +183,7 @@ OPTIONS When merging notes, resolve notes conflicts using the given strategy. The following strategies are recognized: "manual" (default), "ours", "theirs", "union" and "cat_sort_uniq". + This option overrides the "notes.mergeStrategy" configuration setting. See the "NOTES MERGE STRATEGIES" section below for more information on each notes merge strategy. @@ -247,6 +248,9 @@ When done, the user can either finalize the merge with 'git notes merge --commit', or abort the merge with 'git notes merge --abort'. +Users may select an automated merge strategy from among the following using +either -s/--strategy option or configuring notes.mergeStrategy accordingly: + "ours" automatically resolves conflicting notes in favor of the local version (i.e. the current notes ref). @@ -310,6 +314,20 @@ core.notesRef:: This setting can be overridden through the environment and command line. +notes.mergeStrategy:: + Which merge strategy to choose by default when resolving notes + conflicts. Must be one of `manual`, `ours`, `theirs`, `union`, or + `cat_sort_uniq`. Defaults to `manual`. See "NOTES MERGE STRATEGIES" + section above for more information on each strategy. ++ +This setting can be overridden by passing the `--strategy` option. + +notes.<name>.mergeStrategy:: + Which merge strategy to choose when doing a notes merge into + refs/notes/<name>. This overrides the more general + "notes.mergeStrategy". See the "NOTES MERGE STRATEGIES" section above + for more information on each available strategy. + notes.displayRef:: Which ref (or refs, if a glob or specified more than once), in addition to the default set by `core.notesRef` or @@ -331,7 +349,8 @@ environment variable. notes.rewriteMode:: When copying notes during a rewrite, what to do if the target commit already has a note. Must be one of `overwrite`, - `concatenate`, and `ignore`. Defaults to `concatenate`. + `concatenate`, `cat_sort_uniq`, or `ignore`. Defaults to + `concatenate`. + This setting can be overridden with the `GIT_NOTES_REWRITE_MODE` environment variable. @@ -368,7 +387,7 @@ does not match any refs is silently ignored. 'GIT_NOTES_REWRITE_MODE':: When copying notes during a rewrite, what to do if the target commit already has a note. - Must be one of `overwrite`, `concatenate`, and `ignore`. + Must be one of `overwrite`, `concatenate`, `cat_sort_uniq`, or `ignore`. This overrides the `core.rewriteMode` setting. 'GIT_NOTES_REWRITE_REF':: diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt index 135d810b7a..1495e3416c 100644 --- a/Documentation/git-push.txt +++ b/Documentation/git-push.txt @@ -11,7 +11,8 @@ SYNOPSIS [verse] 'git push' [--all | --mirror | --tags] [--follow-tags] [--atomic] [-n | --dry-run] [--receive-pack=<git-receive-pack>] [--repo=<repository>] [-f | --force] [--prune] [-v | --verbose] - [-u | --set-upstream] [--signed] + [-u | --set-upstream] + [--[no-]signed|--sign=(true|false|if-asked)] [--force-with-lease[=<refname>[:<expect>]]] [--no-verify] [<repository> [<refspec>...]] @@ -132,12 +133,16 @@ already exists on the remote side. with configuration variable 'push.followTags'. For more information, see 'push.followTags' in linkgit:git-config[1]. - ---signed:: +--[no-]signed:: +--sign=(true|false|if-asked):: GPG-sign the push request to update refs on the receiving side, to allow it to be checked by the hooks and/or be - logged. See linkgit:git-receive-pack[1] for the details - on the receiving end. + logged. If `false` or `--no-signed`, no signing will be + attempted. If `true` or `--signed`, the push will fail if the + server does not support signed pushes. If set to `if-asked`, + sign if and only if the server supports signed pushes. The push + will also fail if the actual call to `gpg --sign` fails. See + linkgit:git-receive-pack[1] for the details on the receiving end. --[no-]atomic:: Use an atomic transaction on the remote side if available. diff --git a/Documentation/git-quiltimport.txt b/Documentation/git-quiltimport.txt index d64388cb8e..ff633b0db7 100644 --- a/Documentation/git-quiltimport.txt +++ b/Documentation/git-quiltimport.txt @@ -10,6 +10,7 @@ SYNOPSIS -------- [verse] 'git quiltimport' [--dry-run | -n] [--author <author>] [--patches <dir>] + [--series <file>] DESCRIPTION @@ -42,13 +43,19 @@ OPTIONS information can be found in the patch description. --patches <dir>:: - The directory to find the quilt patches and the - quilt series file. + The directory to find the quilt patches. + The default for the patch directory is patches or the value of the $QUILT_PATCHES environment variable. +--series <file>:: + The quilt series file. ++ +The default for the series file is <patches>/series +or the value of the $QUILT_SERIES environment +variable. + GIT --- Part of the linkgit:git[1] suite diff --git a/Documentation/git-request-pull.txt b/Documentation/git-request-pull.txt index 283577b0b6..c32cb0bea1 100644 --- a/Documentation/git-request-pull.txt +++ b/Documentation/git-request-pull.txt @@ -14,7 +14,8 @@ DESCRIPTION ----------- Generate a request asking your upstream project to pull changes into -their tree. The request, printed to the standard output, summarizes +their tree. The request, printed to the standard output, +begins with the branch description, summarizes the changes and indicates from where they can be pulled. The upstream project is expected to have the commit named by diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt index 7b49c85347..ef22f1775b 100644 --- a/Documentation/git-rev-list.txt +++ b/Documentation/git-rev-list.txt @@ -45,7 +45,7 @@ SYNOPSIS [ --regexp-ignore-case | -i ] [ --extended-regexp | -E ] [ --fixed-strings | -F ] - [ --date=(local|relative|default|iso|iso-strict|rfc|short) ] + [ --date=<format>] [ [ --objects | --objects-edge | --objects-edge-aggressive ] [ --unpacked ] ] [ --pretty | --header ] diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index f14705ee04..b9134d234f 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt @@ -171,6 +171,19 @@ Sending to determine your FQDN automatically. Default is the value of 'sendemail.smtpDomain'. +--smtp-auth=<mechanisms>:: + Whitespace-separated list of allowed SMTP-AUTH mechanisms. This setting + forces using only the listed mechanisms. Example: ++ +------ +$ git send-email --smtp-auth="PLAIN LOGIN GSSAPI" ... +------ ++ +If at least one of the specified mechanisms matches the ones advertised by the +SMTP server and if it is supported by the utilized SASL library, the mechanism +is used for authentication. If neither 'sendemail.smtpAuth' nor '--smtp-auth' +is specified, all mechanisms supported by the SASL library can be used. + --smtp-pass[=<password>]:: Password for SMTP-AUTH. The argument is optional: If no argument is specified, then the empty string is used as diff --git a/Documentation/git-send-pack.txt b/Documentation/git-send-pack.txt index b5d09f79ee..6aa91e830c 100644 --- a/Documentation/git-send-pack.txt +++ b/Documentation/git-send-pack.txt @@ -9,7 +9,10 @@ git-send-pack - Push objects over Git protocol to another repository SYNOPSIS -------- [verse] -'git send-pack' [--all] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] [<host>:]<directory> [<ref>...] +'git send-pack' [--all] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] + [--verbose] [--thin] [--atomic] + [--[no-]signed|--sign=(true|false|if-asked)] + [<host>:]<directory> [<ref>...] DESCRIPTION ----------- @@ -67,6 +70,17 @@ be in a separate packet, and the list must end with a flush packet. fails to update then the entire push will fail without changing any refs. +--[no-]signed:: +--sign=(true|false|if-asked):: + GPG-sign the push request to update refs on the receiving + side, to allow it to be checked by the hooks and/or be + logged. If `false` or `--no-signed`, no signing will be + attempted. If `true` or `--signed`, the push will fail if the + server does not support signed pushes. If set to `if-asked`, + sign if and only if the server supports signed pushes. The push + will also fail if the actual call to `gpg --sign` fails. See + linkgit:git-receive-pack[1] for the details on the receiving end. + <host>:: A remote host to house the repository. When this part is specified, 'git-receive-pack' is invoked via diff --git a/Documentation/git-stash.txt b/Documentation/git-stash.txt index 375213fe46..92df596e5f 100644 --- a/Documentation/git-stash.txt +++ b/Documentation/git-stash.txt @@ -95,6 +95,8 @@ show [<stash>]:: shows the latest one. By default, the command shows the diffstat, but it will accept any format known to 'git diff' (e.g., `git stash show -p stash@{1}` to view the second most recent stash in patch form). + You can use stash.showStat and/or stash.showPatch config variables + to change the default behavior. pop [--index] [-q|--quiet] [<stash>]:: diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt index 11d1e2fc66..0c0f60b20e 100644 --- a/Documentation/git-svn.txt +++ b/Documentation/git-svn.txt @@ -174,6 +174,9 @@ Skip "branches" and "tags" of first level directories;; (including automatic fetches due to 'clone', 'dcommit', 'rebase', etc) on a given repository. '--ignore-paths' takes precedence over '--include-paths'. ++ +[verse] +config key: svn-remote.<name>.include-paths --log-window-size=<n>;; Fetch <n> log entries per request when scanning Subversion history. diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt index 3387e2f037..fb68156cf8 100644 --- a/Documentation/git-worktree.txt +++ b/Documentation/git-worktree.txt @@ -3,7 +3,7 @@ git-worktree(1) NAME ---- -git-worktree - Manage multiple worktrees +git-worktree - Manage multiple working trees SYNOPSIS @@ -15,7 +15,7 @@ SYNOPSIS DESCRIPTION ----------- -Manage multiple worktrees attached to the same repository. +Manage multiple working trees attached to the same repository. A git repository can support multiple working trees, allowing you to check out more than one branch at a time. With `git worktree add` a new working @@ -27,19 +27,19 @@ bare repository) and zero or more linked working trees. When you are done with a linked working tree you can simply delete it. The working tree's administrative files in the repository (see "DETAILS" below) will eventually be removed automatically (see -`gc.pruneworktreesexpire` in linkgit::git-config[1]), or you can run +`gc.worktreePruneExpire` in linkgit:git-config[1]), or you can run `git worktree prune` in the main or any linked working tree to clean up any stale administrative files. -If you move a linked working directory to another file system, or +If you move a linked working tree to another file system, or within a file system that does not support hard links, you need to run -at least one git command inside the linked working directory +at least one git command inside the linked working tree (e.g. `git status`) in order to update its administrative files in the repository so that they do not get automatically pruned. If a linked working tree is stored on a portable device or network share which is not always mounted, you can prevent its administrative files from -being pruned by creating a file named 'lock' alongside the other +being pruned by creating a file named 'locked' alongside the other administrative files, optionally containing a plain text reason that pruning should be suppressed. See section "DETAILS" for more information. @@ -51,9 +51,9 @@ Create `<path>` and checkout `<branch>` into it. The new working directory is linked to the current repository, sharing everything except working directory specific files such as HEAD, index, etc. + -If `<branch>` is omitted and neither `-b` nor `-B` is used, then, as a -convenience, a new branch based at HEAD is created automatically, as if -`-b $(basename <path>)` was specified. +If `<branch>` is omitted and neither `-b` nor `-B` nor `--detached` used, +then, as a convenience, a new branch based at HEAD is created automatically, +as if `-b $(basename <path>)` was specified. prune:: @@ -64,22 +64,22 @@ OPTIONS -f:: --force:: - By default, `add` refuses to create a new worktree when `<branch>` - is already checked out by another worktree. This option overrides + By default, `add` refuses to create a new working tree when `<branch>` + is already checked out by another working tree. This option overrides that safeguard. -b <new-branch>:: -B <new-branch>:: With `add`, create a new branch named `<new-branch>` starting at - `<branch>`, and check out `<new-branch>` into the new worktree. + `<branch>`, and check out `<new-branch>` into the new working tree. If `<branch>` is omitted, it defaults to HEAD. By default, `-b` refuses to create a new branch if it already exists. `-B` overrides this safeguard, resetting `<new-branch>` to `<branch>`. --detach:: - With `add`, detach HEAD in the new worktree. See "DETACHED HEAD" in - linkgit:git-checkout[1]. + With `add`, detach HEAD in the new working tree. See "DETACHED HEAD" + in linkgit:git-checkout[1]. -n:: --dry-run:: @@ -91,7 +91,7 @@ OPTIONS With `prune`, report all removals. --expire <time>:: - With `prune`, only expire unused worktrees older than <time>. + With `prune`, only expire unused working trees older than <time>. DETAILS ------- @@ -124,7 +124,7 @@ thumb is do not make any assumption about whether a path belongs to $GIT_DIR or $GIT_COMMON_DIR when you need to directly access something inside $GIT_DIR. Use `git rev-parse --git-path` to get the final path. -To prevent a $GIT_DIR/worktrees entry from from being pruned (which +To prevent a $GIT_DIR/worktrees entry from being pruned (which can be useful in some situations, such as when the entry's working tree is stored on a portable device), add a file named 'locked' to the entry's directory. The file contains the reason in @@ -139,9 +139,9 @@ EXAMPLES You are in the middle of a refactoring session and your boss comes in and demands that you fix something immediately. You might typically use linkgit:git-stash[1] to store your changes away temporarily, however, your -worktree is in such a state of disarray (with new, moved, and removed files, -and other bits and pieces strewn around) that you don't want to risk -disturbing any of it. Instead, you create a temporary linked worktree to +working tree is in such a state of disarray (with new, moved, and removed +files, and other bits and pieces strewn around) that you don't want to risk +disturbing any of it. Instead, you create a temporary linked working tree to make the emergency fix, remove it when done, and then resume your earlier refactoring session. @@ -164,12 +164,12 @@ checkouts of a superproject. git-worktree could provide more automation for tasks currently performed manually, such as: -- `remove` to remove a linked worktree and its administrative files (and - warn if the worktree is dirty) -- `mv` to move or rename a worktree and update its administrative files -- `list` to list linked worktrees +- `remove` to remove a linked working tree and its administrative files (and + warn if the working tree is dirty) +- `mv` to move or rename a working tree and update its administrative files +- `list` to list linked working trees - `lock` to prevent automatic pruning of administrative files (for instance, - for a worktree on a portable device) + for a working tree on a portable device) GIT --- diff --git a/Documentation/git.txt b/Documentation/git.txt index 2795340fb2..b37cfcefcd 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -43,14 +43,23 @@ unreleased) version of Git, that is available from the 'master' branch of the `git.git` repository. Documentation for older releases are available here: -* link:v2.5.0/git.html[documentation for release 2.5] +* link:v2.6.0/git.html[documentation for release 2.6] * release notes for + link:RelNotes/2.6.0.txt[2.6]. + +* link:v2.5.3/git.html[documentation for release 2.5.3] + +* release notes for + link:RelNotes/2.5.3.txt[2.5.3], + link:RelNotes/2.5.2.txt[2.5.2], + link:RelNotes/2.5.1.txt[2.5.1], link:RelNotes/2.5.0.txt[2.5]. -* link:v2.4.8/git.html[documentation for release 2.4.8] +* link:v2.4.9/git.html[documentation for release 2.4.9] * release notes for + link:RelNotes/2.4.9.txt[2.4.9], link:RelNotes/2.4.8.txt[2.4.8], link:RelNotes/2.4.7.txt[2.4.7], link:RelNotes/2.4.6.txt[2.4.6], @@ -61,9 +70,10 @@ Documentation for older releases are available here: link:RelNotes/2.4.1.txt[2.4.1], link:RelNotes/2.4.0.txt[2.4]. -* link:v2.3.8/git.html[documentation for release 2.3.8] +* link:v2.3.9/git.html[documentation for release 2.3.9] * release notes for + link:RelNotes/2.3.9.txt[2.3.9], link:RelNotes/2.3.8.txt[2.3.8], link:RelNotes/2.3.7.txt[2.3.7], link:RelNotes/2.3.6.txt[2.3.6], @@ -74,9 +84,10 @@ Documentation for older releases are available here: link:RelNotes/2.3.1.txt[2.3.1], link:RelNotes/2.3.0.txt[2.3]. -* link:v2.2.2/git.html[documentation for release 2.2.2] +* link:v2.2.3/git.html[documentation for release 2.2.3] * release notes for + link:RelNotes/2.2.3.txt[2.2.3], link:RelNotes/2.2.2.txt[2.2.2], link:RelNotes/2.2.1.txt[2.2.1], link:RelNotes/2.2.0.txt[2.2]. diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt index 82e2d15435..78e0b27c18 100644 --- a/Documentation/gitremote-helpers.txt +++ b/Documentation/gitremote-helpers.txt @@ -448,6 +448,9 @@ set by Git if the remote helper has the 'option' capability. 'option update-shallow {'true'|'false'}:: Allow to extend .git/shallow if the new refs require it. +'option pushcert {'true'|'false'}:: + GPG sign pushes. + SEE ALSO -------- linkgit:git-remote[1] diff --git a/Documentation/gitrepository-layout.txt b/Documentation/gitrepository-layout.txt index 7173b38830..577ee844e0 100644 --- a/Documentation/gitrepository-layout.txt +++ b/Documentation/gitrepository-layout.txt @@ -251,25 +251,25 @@ modules:: Contains the git-repositories of the submodules. worktrees:: - Contains worktree specific information of linked - checkouts. Each subdirectory contains the worktree-related - part of a linked checkout. This directory is ignored if - $GIT_COMMON_DIR is set and "$GIT_COMMON_DIR/worktrees" will be - used instead. + Contains administrative data for linked + working trees. Each subdirectory contains the working tree-related + part of a linked working tree. This directory is ignored if + $GIT_COMMON_DIR is set, in which case + "$GIT_COMMON_DIR/worktrees" will be used instead. worktrees/<id>/gitdir:: A text file containing the absolute path back to the .git file that points to here. This is used to check if the linked repository has been manually removed and there is no need to - keep this directory any more. mtime of this file should be + keep this directory any more. The mtime of this file should be updated every time the linked repository is accessed. worktrees/<id>/locked:: - If this file exists, the linked repository may be on a - portable device and not available. It does not mean that the - linked repository is gone and `worktrees/<id>` could be - removed. The file's content contains a reason string on why - the repository is locked. + If this file exists, the linked working tree may be on a + portable device and not available. The presence of this file + prevents `worktrees/<id>` from being pruned either automatically + or manually by `git worktree prune`. The file may contain a string + explaining why the repository is locked. worktrees/<id>/link:: If this file exists, it is a hard link to the linked .git diff --git a/Documentation/glossary-content.txt b/Documentation/glossary-content.txt index ab18f4baca..e225974253 100644 --- a/Documentation/glossary-content.txt +++ b/Documentation/glossary-content.txt @@ -411,6 +411,28 @@ exclude;; core Git. Porcelains expose more of a <<def_SCM,SCM>> interface than the <<def_plumbing,plumbing>>. +[[def_per_worktree_ref]]per-worktree ref:: + Refs that are per-<<def_working_tree,worktree>>, rather than + global. This is presently only <<def_HEAD,HEAD>> and any refs + that start with `refs/bisect/`, but might later include other + unusual refs. + +[[def_pseudoref]]pseudoref:: + Pseudorefs are a class of files under `$GIT_DIR` which behave + like refs for the purposes of rev-parse, but which are treated + specially by git. Pseudorefs both have names that are all-caps, + and always start with a line consisting of a + <<def_SHA1,SHA-1>> followed by whitespace. So, HEAD is not a + pseudoref, because it is sometimes a symbolic ref. They might + optionally contain some additional data. `MERGE_HEAD` and + `CHERRY_PICK_HEAD` are examples. Unlike + <<def_per_worktree_ref,per-worktree refs>>, these files cannot + be symbolic refs, and never have reflogs. They also cannot be + updated through the normal ref update machinery. Instead, + they are updated by directly writing to the files. However, + they can be read as if they were refs, so `git rev-parse + MERGE_HEAD` will work. + [[def_pull]]pull:: Pulling a <<def_branch,branch>> means to <<def_fetch,fetch>> it and <<def_merge,merge>> it. See also linkgit:git-pull[1]. diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index dc865cbb27..671cebd95c 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -139,7 +139,9 @@ The placeholders are: - '%f': sanitized subject line, suitable for a filename - '%b': body - '%B': raw body (unwrapped subject and body) +ifndef::git-rev-list[] - '%N': commit notes +endif::git-rev-list[] - '%GG': raw verification message from GPG for a signed commit - '%G?': show "G" for a Good signature, "B" for a Bad signature, "U" for a good, untrusted signature and "N" for no signature diff --git a/Documentation/pretty-options.txt b/Documentation/pretty-options.txt index 642af6e426..8d6c5cec4c 100644 --- a/Documentation/pretty-options.txt +++ b/Documentation/pretty-options.txt @@ -42,6 +42,7 @@ people using 80-column terminals. verbatim; this means that invalid sequences in the original commit may be copied to the output. +ifndef::git-rev-list[] --notes[=<ref>]:: Show the notes (see linkgit:git-notes[1]) that annotate the commit, when showing the commit log message. This is the default @@ -73,6 +74,7 @@ being displayed. Examples: "--notes=foo" will show only notes from --[no-]standard-notes:: These options are deprecated. Use the above --notes/--no-notes options instead. +endif::git-rev-list[] --show-signature:: Check the validity of a signed commit object by passing the signature diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index a9b808fab3..4f009d4424 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -58,9 +58,11 @@ endif::git-rev-list[] more than one `--grep=<pattern>`, commits whose message matches any of the given patterns are chosen (but see `--all-match`). +ifndef::git-rev-list[] + When `--show-notes` is in effect, the message from the notes is matched as if it were part of the log message. +endif::git-rev-list[] --all-match:: Limit the commits output to ones that match all given `--grep`, @@ -699,15 +701,19 @@ include::pretty-options.txt[] --relative-date:: Synonym for `--date=relative`. ---date=(relative|local|default|iso|iso-strict|rfc|short|raw):: +--date=<format>:: Only takes effect for dates shown in human-readable format, such as when using `--pretty`. `log.date` config variable sets a default - value for the log command's `--date` option. + value for the log command's `--date` option. By default, dates + are shown in the original time zone (either committer's or + author's). If `-local` is appended to the format (e.g., + `iso-local`), the user's local time zone is used instead. + `--date=relative` shows dates relative to the current time, -e.g. ``2 hours ago''. +e.g. ``2 hours ago''. The `-local` option cannot be used with +`--raw` or `--relative`. + -`--date=local` shows timestamps in user's local time zone. +`--date=local` is an alias for `--date=default-local`. + `--date=iso` (or `--date=iso8601`) shows timestamps in a ISO 8601-like format. The differences to the strict ISO 8601 format are: @@ -730,10 +736,15 @@ format, often found in email messages. `--date=format:...` feeds the format `...` to your system `strftime`. Use `--date=format:%c` to show the date in your system locale's preferred format. See the `strftime` manual for a complete list of -format placeholders. +format placeholders. When using `-local`, the correct syntax is +`--date=format-local:...`. + -`--date=default` shows timestamps in the original time zone -(either committer's or author's). +`--date=default` is the default format, and is similar to +`--date=rfc2822`, with a few exceptions: + + - there is no comma after the day-of-week + + - the time zone is omitted when the local time zone is used ifdef::git-rev-list[] --header:: diff --git a/Documentation/technical/api-lockfile.txt b/Documentation/technical/api-lockfile.txt deleted file mode 100644 index 93b5f23e4c..0000000000 --- a/Documentation/technical/api-lockfile.txt +++ /dev/null @@ -1,220 +0,0 @@ -lockfile API -============ - -The lockfile API serves two purposes: - -* Mutual exclusion and atomic file updates. When we want to change a - file, we create a lockfile `<filename>.lock`, write the new file - contents into it, and then rename the lockfile to its final - destination `<filename>`. We create the `<filename>.lock` file with - `O_CREAT|O_EXCL` so that we can notice and fail if somebody else has - already locked the file, then atomically rename the lockfile to its - final destination to commit the changes and unlock the file. - -* Automatic cruft removal. If the program exits after we lock a file - but before the changes have been committed, we want to make sure - that we remove the lockfile. This is done by remembering the - lockfiles we have created in a linked list and setting up an - `atexit(3)` handler and a signal handler that clean up the - lockfiles. This mechanism ensures that outstanding lockfiles are - cleaned up if the program exits (including when `die()` is called) - or if the program dies on a signal. - -Please note that lockfiles only block other writers. Readers do not -block, but they are guaranteed to see either the old contents of the -file or the new contents of the file (assuming that the filesystem -implements `rename(2)` atomically). - - -Calling sequence ----------------- - -The caller: - -* Allocates a `struct lock_file` either as a static variable or on the - heap, initialized to zeros. Once you use the structure to call the - `hold_lock_file_*` family of functions, it belongs to the lockfile - subsystem and its storage must remain valid throughout the life of - the program (i.e. you cannot use an on-stack variable to hold this - structure). - -* Attempts to create a lockfile by passing that variable and the path - of the final destination (e.g. `$GIT_DIR/index`) to - `hold_lock_file_for_update` or `hold_lock_file_for_append`. - -* Writes new content for the destination file by either: - - * writing to the file descriptor returned by the `hold_lock_file_*` - functions (also available via `lock->fd`). - - * calling `fdopen_lock_file` to get a `FILE` pointer for the open - file and writing to the file using stdio. - -When finished writing, the caller can: - -* Close the file descriptor and rename the lockfile to its final - destination by calling `commit_lock_file` or `commit_lock_file_to`. - -* Close the file descriptor and remove the lockfile by calling - `rollback_lock_file`. - -* Close the file descriptor without removing or renaming the lockfile - by calling `close_lock_file`, and later call `commit_lock_file`, - `commit_lock_file_to`, `rollback_lock_file`, or `reopen_lock_file`. - -Even after the lockfile is committed or rolled back, the `lock_file` -object must not be freed or altered by the caller. However, it may be -reused; just pass it to another call of `hold_lock_file_for_update` or -`hold_lock_file_for_append`. - -If the program exits before you have called one of `commit_lock_file`, -`commit_lock_file_to`, `rollback_lock_file`, or `close_lock_file`, an -`atexit(3)` handler will close and remove the lockfile, rolling back -any uncommitted changes. - -If you need to close the file descriptor you obtained from a -`hold_lock_file_*` function yourself, do so by calling -`close_lock_file`. You should never call `close(2)` or `fclose(3)` -yourself! Otherwise the `struct lock_file` structure would still think -that the file descriptor needs to be closed, and a commit or rollback -would result in duplicate calls to `close(2)`. Worse yet, if you close -and then later open another file descriptor for a completely different -purpose, then a commit or rollback might close that unrelated file -descriptor. - - -Error handling --------------- - -The `hold_lock_file_*` functions return a file descriptor on success -or -1 on failure (unless `LOCK_DIE_ON_ERROR` is used; see below). On -errors, `errno` describes the reason for failure. Errors can be -reported by passing `errno` to one of the following helper functions: - -unable_to_lock_message:: - - Append an appropriate error message to a `strbuf`. - -unable_to_lock_error:: - - Emit an appropriate error message using `error()`. - -unable_to_lock_die:: - - Emit an appropriate error message and `die()`. - -Similarly, `commit_lock_file`, `commit_lock_file_to`, and -`close_lock_file` return 0 on success. On failure they set `errno` -appropriately, do their best to roll back the lockfile, and return -1. - - -Flags ------ - -The following flags can be passed to `hold_lock_file_for_update` or -`hold_lock_file_for_append`: - -LOCK_NO_DEREF:: - - Usually symbolic links in the destination path are resolved - and the lockfile is created by adding ".lock" to the resolved - path. If `LOCK_NO_DEREF` is set, then the lockfile is created - by adding ".lock" to the path argument itself. This option is - used, for example, when locking a symbolic reference, which - for backwards-compatibility reasons can be a symbolic link - containing the name of the referred-to-reference. - -LOCK_DIE_ON_ERROR:: - - If a lock is already taken for the file, `die()` with an error - message. If this option is not specified, trying to lock a - file that is already locked returns -1 to the caller. - - -The functions -------------- - -hold_lock_file_for_update:: - - Take a pointer to `struct lock_file`, the path of the file to - be locked (e.g. `$GIT_DIR/index`) and a flags argument (see - above). Attempt to create a lockfile for the destination and - return the file descriptor for writing to the file. - -hold_lock_file_for_append:: - - Like `hold_lock_file_for_update`, but before returning copy - the existing contents of the file (if any) to the lockfile and - position its write pointer at the end of the file. - -fdopen_lock_file:: - - Associate a stdio stream with the lockfile. Return NULL - (*without* rolling back the lockfile) on error. The stream is - closed automatically when `close_lock_file` is called or when - the file is committed or rolled back. - -get_locked_file_path:: - - Return the path of the file that is locked by the specified - lock_file object. The caller must free the memory. - -commit_lock_file:: - - Take a pointer to the `struct lock_file` initialized with an - earlier call to `hold_lock_file_for_update` or - `hold_lock_file_for_append`, close the file descriptor, and - rename the lockfile to its final destination. Return 0 upon - success. On failure, roll back the lock file and return -1, - with `errno` set to the value from the failing call to - `close(2)` or `rename(2)`. It is a bug to call - `commit_lock_file` for a `lock_file` object that is not - currently locked. - -commit_lock_file_to:: - - Like `commit_lock_file()`, except that it takes an explicit - `path` argument to which the lockfile should be renamed. The - `path` must be on the same filesystem as the lock file. - -rollback_lock_file:: - - Take a pointer to the `struct lock_file` initialized with an - earlier call to `hold_lock_file_for_update` or - `hold_lock_file_for_append`, close the file descriptor and - remove the lockfile. It is a NOOP to call - `rollback_lock_file()` for a `lock_file` object that has - already been committed or rolled back. - -close_lock_file:: - - Take a pointer to the `struct lock_file` initialized with an - earlier call to `hold_lock_file_for_update` or - `hold_lock_file_for_append`. Close the file descriptor (and - the file pointer if it has been opened using - `fdopen_lock_file`). Return 0 upon success. On failure to - `close(2)`, return a negative value and roll back the lock - file. Usually `commit_lock_file`, `commit_lock_file_to`, or - `rollback_lock_file` should eventually be called if - `close_lock_file` succeeds. - -reopen_lock_file:: - - Re-open a lockfile that has been closed (using - `close_lock_file`) but not yet committed or rolled back. This - can be used to implement a sequence of operations like the - following: - - * Lock file. - - * Write new contents to lockfile, then `close_lock_file` to - cause the contents to be written to disk. - - * Pass the name of the lockfile to another program to allow it - (and nobody else) to inspect the contents you wrote, while - still holding the lock yourself. - - * `reopen_lock_file` to reopen the lockfile. Make further - updates to the contents. - - * `commit_lock_file` to make the final version permanent. diff --git a/Documentation/technical/api-submodule-config.txt b/Documentation/technical/api-submodule-config.txt new file mode 100644 index 0000000000..941fa178dd --- /dev/null +++ b/Documentation/technical/api-submodule-config.txt @@ -0,0 +1,62 @@ +submodule config cache API +========================== + +The submodule config cache API allows to read submodule +configurations/information from specified revisions. Internally +information is lazily read into a cache that is used to avoid +unnecessary parsing of the same .gitmodule files. Lookups can be done by +submodule path or name. + +Usage +----- + +To initialize the cache with configurations from the worktree the caller +typically first calls `gitmodules_config()` to read values from the +worktree .gitmodules and then to overlay the local git config values +`parse_submodule_config_option()` from the config parsing +infrastructure. + +The caller can look up information about submodules by using the +`submodule_from_path()` or `submodule_from_name()` functions. They return +a `struct submodule` which contains the values. The API automatically +initializes and allocates the needed infrastructure on-demand. If the +caller does only want to lookup values from revisions the initialization +can be skipped. + +If the internal cache might grow too big or when the caller is done with +the API, all internally cached values can be freed with submodule_free(). + +Data Structures +--------------- + +`struct submodule`:: + + This structure is used to return the information about one + submodule for a certain revision. It is returned by the lookup + functions. + +Functions +--------- + +`void submodule_free()`:: + + Use these to free the internally cached values. + +`int parse_submodule_config_option(const char *var, const char *value)`:: + + Can be passed to the config parsing infrastructure to parse + local (worktree) submodule configurations. + +`const struct submodule *submodule_from_path(const unsigned char *commit_sha1, const char *path)`:: + + Lookup values for one submodule by its commit_sha1 and path. + +`const struct submodule *submodule_from_name(const unsigned char *commit_sha1, const char *name)`:: + + The same as above but lookup by name. + +If given the null_sha1 as commit_sha1 the local configuration of a +submodule will be returned (e.g. consolidated values from local git +configuration and the .gitmodules file in the worktree). + +For an example usage see test-submodule-config.c. diff --git a/Documentation/technical/index-format.txt b/Documentation/technical/index-format.txt index b7093af8b2..7392ff636c 100644 --- a/Documentation/technical/index-format.txt +++ b/Documentation/technical/index-format.txt @@ -275,7 +275,7 @@ Git index format - The directory name terminated by NUL. - - A number of untrached file/dir names terminated by NUL. + - A number of untracked file/dir names terminated by NUL. The remaining data of each directory block is grouped by type: diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt index 4064fc796f..c6977bbc5a 100644 --- a/Documentation/technical/pack-protocol.txt +++ b/Documentation/technical/pack-protocol.txt @@ -14,6 +14,14 @@ data. The protocol functions to have a server tell a client what is currently on the server, then for the two to negotiate the smallest amount of data to send in order to fully update one or the other. +pkt-line Format +--------------- + +The descriptions below build on the pkt-line format described in +protocol-common.txt. When the grammar indicate `PKT-LINE(...)`, unless +otherwise noted the usual pkt-line LF rules apply: the sender SHOULD +include a LF, but the receiver MUST NOT complain if it is not present. + Transports ---------- There are three transports over which the packfile protocol is @@ -143,9 +151,6 @@ with the object name that each reference currently points to. 003fe92df48743b7bc7d26bcaabfddde0a1e20cae47c refs/tags/v1.0^{} 0000 -Server SHOULD terminate each non-flush line using LF ("\n") terminator; -client MUST NOT complain if there is no terminator. - The returned response is a pkt-line stream describing each ref and its current value. The stream MUST be sorted by name according to the C locale ordering. @@ -165,15 +170,15 @@ MUST peel the ref if it's an annotated tag. flush-pkt no-refs = PKT-LINE(zero-id SP "capabilities^{}" - NUL capability-list LF) + NUL capability-list) list-of-refs = first-ref *other-ref first-ref = PKT-LINE(obj-id SP refname - NUL capability-list LF) + NUL capability-list) other-ref = PKT-LINE(other-tip / other-peeled) - other-tip = obj-id SP refname LF - other-peeled = obj-id SP refname "^{}" LF + other-tip = obj-id SP refname + other-peeled = obj-id SP refname "^{}" shallow = PKT-LINE("shallow" SP obj-id) @@ -216,8 +221,8 @@ out of what the server said it could do with the first 'want' line. depth-request = PKT-LINE("deepen" SP depth) - first-want = PKT-LINE("want" SP obj-id SP capability-list LF) - additional-want = PKT-LINE("want" SP obj-id LF) + first-want = PKT-LINE("want" SP obj-id SP capability-list) + additional-want = PKT-LINE("want" SP obj-id) depth = 1*DIGIT ---- @@ -284,7 +289,7 @@ so that there is always a block of 32 "in-flight on the wire" at a time. compute-end have-list = *have-line - have-line = PKT-LINE("have" SP obj-id LF) + have-line = PKT-LINE("have" SP obj-id) compute-end = flush-pkt / PKT-LINE("done") ---- @@ -348,10 +353,10 @@ Then the server will start sending its packfile data. ---- server-response = *ack_multi ack / nak - ack_multi = PKT-LINE("ACK" SP obj-id ack_status LF) + ack_multi = PKT-LINE("ACK" SP obj-id ack_status) ack_status = "continue" / "common" / "ready" - ack = PKT-LINE("ACK SP obj-id LF) - nak = PKT-LINE("NAK" LF) + ack = PKT-LINE("ACK" SP obj-id) + nak = PKT-LINE("NAK") ---- A simple clone may look like this (with no 'have' lines): @@ -467,10 +472,10 @@ references. ---- update-request = *shallow ( command-list | push-cert ) [packfile] - shallow = PKT-LINE("shallow" SP obj-id LF) + shallow = PKT-LINE("shallow" SP obj-id) - command-list = PKT-LINE(command NUL capability-list LF) - *PKT-LINE(command LF) + command-list = PKT-LINE(command NUL capability-list) + *PKT-LINE(command) flush-pkt command = create / delete / update @@ -521,7 +526,8 @@ Push Certificate A push certificate begins with a set of header lines. After the header and an empty line, the protocol commands follow, one per -line. +line. Note that the the trailing LF in push-cert PKT-LINEs is _not_ +optional; it must be present. Currently, the following header fields are defined: @@ -560,12 +566,12 @@ update was successful, or 'ng [refname] [error]' if the update was not. 1*(command-status) flush-pkt - unpack-status = PKT-LINE("unpack" SP unpack-result LF) + unpack-status = PKT-LINE("unpack" SP unpack-result) unpack-result = "ok" / error-msg command-status = command-ok / command-fail - command-ok = PKT-LINE("ok" SP refname LF) - command-fail = PKT-LINE("ng" SP refname SP error-msg LF) + command-ok = PKT-LINE("ok" SP refname) + command-fail = PKT-LINE("ng" SP refname SP error-msg) error-msg = 1*(OCTECT) ; where not "ok" ---- diff --git a/Documentation/technical/protocol-common.txt b/Documentation/technical/protocol-common.txt index 889985f707..bf30167ae3 100644 --- a/Documentation/technical/protocol-common.txt +++ b/Documentation/technical/protocol-common.txt @@ -62,7 +62,10 @@ A pkt-line MAY contain binary data, so implementors MUST ensure pkt-line parsing/formatting routines are 8-bit clean. A non-binary line SHOULD BE terminated by an LF, which if present -MUST be included in the total length. +MUST be included in the total length. Receivers MUST treat pkt-lines +with non-binary data the same whether or not they contain the trailing +LF (stripping the LF if present, and not complaining when it is +missing). The maximum length of a pkt-line's data component is 65520 bytes. Implementations MUST NOT send pkt-line whose length exceeds 65524 |