diff options
Diffstat (limited to 'Documentation')
30 files changed, 522 insertions, 197 deletions
diff --git a/Documentation/Makefile b/Documentation/Makefile index ecd0b340b1..80d1908a44 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -17,6 +17,7 @@ MAN1_TXT += git.txt MAN1_TXT += gitk.txt MAN1_TXT += gitweb.txt +# man5 / man7 guides (note: new guides should also be added to command-list.txt) MAN5_TXT += gitattributes.txt MAN5_TXT += githooks.txt MAN5_TXT += gitignore.txt @@ -294,6 +295,7 @@ cmds_txt = cmds-ancillaryinterrogators.txt \ cmds-plumbingmanipulators.txt \ cmds-synchingrepositories.txt \ cmds-synchelpers.txt \ + cmds-guide.txt \ cmds-purehelpers.txt \ cmds-foreignscminterface.txt @@ -301,7 +303,7 @@ $(cmds_txt): cmd-list.made cmd-list.made: cmd-list.perl ../command-list.txt $(MAN1_TXT) $(QUIET_GEN)$(RM) $@ && \ - $(PERL_PATH) ./cmd-list.perl ../command-list.txt $(QUIET_STDERR) && \ + $(PERL_PATH) ./cmd-list.perl ../command-list.txt $(cmds_txt) $(QUIET_STDERR) && \ date >$@ mergetools_txt = mergetools-diff.txt mergetools-merge.txt diff --git a/Documentation/RelNotes/2.29.0.txt b/Documentation/RelNotes/2.29.0.txt new file mode 100644 index 0000000000..783cba3af5 --- /dev/null +++ b/Documentation/RelNotes/2.29.0.txt @@ -0,0 +1,162 @@ +Git 2.29 Release Notes +====================== + +Updates since v2.28 +------------------- + +UI, Workflows & Features + + * "git help log" has been enhanced by sharing more material from the + documentation for the underlying "git rev-list" command. + + * "git for-each-ref --format=<>" learned %(contents:size). + + * "git merge" learned to selectively omit " into <branch>" at the end + of the title of default merge message with merge.suppressDest + configuration. + + * The component to respond to "git fetch" request is made more + configurable to selectively allow or reject object filtering + specification used for partial cloning. + + * Stop when "sendmail.*" configuration variables are defined, which + could be a mistaken attempt to define "sendemail.*" variables. + + * The existing backends for "git mergetool" based on variants of vim + have been refactored and then support for "nvim" has been added. + + * "git bisect" learns the "--first-parent" option to find the first + breakage along the first-parent chain. + + * "git log --first-parent -p" showed patches only for single-parent + commits on the first-parent chain; the "--first-parent" option has + been made to imply "-m". Use "--no-diff-merges" to restore the + previous behaviour to omit patches for merge commits. + + +Performance, Internal Implementation, Development Support etc. + + * The changed-path Bloom filter is improved using ideas from an + independent implementation. + + * Updates to the changed-paths bloom filter. + + * The test framework has been updated so that most tests will run + with predictable (artificial) timestamps. + + * Preliminary clean-up of the refs API in preparation for adding a + new refs backend "reftable". + + * Dev support to limit the use of test_must_fail to only git commands. + + * While packing many objects in a repository with a promissor remote, + lazily fetching missing objects from the promissor remote one by + one may be inefficient---the code now attempts to fetch all the + missing objects in batch (obviously this won't work for a lazy + clone that lazily fetches tree objects as you cannot even enumerate + what blobs are missing until you learn which trees are missing). + + * The pretend-object mechanism checks if the given object already + exists in the object store before deciding to keep the data + in-core, but the check would have triggered lazy fetching of such + an object from a promissor remote. + + * The argv_array API is useful for not just managing argv but any + "vector" (NULL-terminated array) of strings, and has seen adoption + to a certain degree. It has been renamed to "strvec" to reduce the + barrier to adoption. + + * The final leg of SHA-256 transition. + + * CMake support to build with MSVC for Windows bypassing the Makefile. + + * A new helper function has_object() has been introduced to make it + easier to mark object existence checks that do and don't want to + trigger lazy fetches, and a few such checks are converted using it. + + * A no-op replacement function implemented as a C preprocessor macro + does not perform as good a job as one implemented as a "static + inline" function in catching errors in parameters; replace the + former with the latter in <git-compat-util.h> header. + + * Test framework update. + (merge d572f52a64 es/test-cmp-typocatcher later to maint). + + +Fixes since v2.28 +----------------- + + * "git clone --separate-git-dir=$elsewhere" used to stomp on the + contents of the existing directory $elsewhere, which has been + taught to fail when $elsewhere is not an empty directory. + (merge dfaa209a79 bw/fail-cloning-into-non-empty later to maint). + + * With the base fix to 2.27 regresion, any new extensions in a v0 + repository would still be silently honored, which is not quite + right. Instead, complain and die loudly. + (merge ec91ffca04 jk/reject-newer-extensions-in-v0 later to maint). + + * Fetching from a lazily cloned repository resulted at the server + side in attempts to lazy fetch objects that the client side has, + many of which will not be available from the third-party anyway. + (merge 77aa0941ce jt/avoid-lazy-fetching-upon-have-check later to maint). + + * Fix to an ancient bug caused by an over-eager attempt for + optimization. + (merge a98f7fb366 rs/add-index-entry-optim-fix later to maint). + + * Pushing a ref whose name contains non-ASCII character with the + "--force-with-lease" option did not work over smart HTTP protocol, + which has been corrected. + (merge cd85b447bf bc/push-cas-cquoted-refname later to maint). + + * "git mv src dst", when src is an unmerged path, errored out + correctly but with an incorrect error message to claim that src is + not tracked, which has been clarified. + (merge 9b906af657 ct/mv-unmerged-path-error later to maint). + + * Fix to a regression introduced during 2.27 cycle. + (merge cada7308ad en/fill-directory-exponential later to maint). + + * Command line completion (in contrib/) update. + (merge 688b87c81b mp/complete-show-color-moved later to maint). + + * All "mergy" operations that internally use the merge-recursive + machinery should honor the merge.renormalize configuration, but + many of them didn't. + + * Doc cleanup around "worktree". + (merge dc9c144be5 es/worktree-doc-cleanups later to maint). + + * The "git blame --first-parent" option was not documented, but now + it is. + (merge 11bc12ae1e rp/blame-first-parent-doc later to maint). + + * The logic to find the ref transaction hook script attempted to + cache the path to the found hook without realizing that it needed + to keep a copied value, as the API it used returned a transitory + buffer space. This has been corrected. + (merge 09b2aa30c9 ps/ref-transaction-hook later to maint). + + * Recent versions of "git diff-files" shows a diff between the index + and the working tree for "intent-to-add" paths as a "new file" + patch; "git apply --cached" should be able to take "git diff-files" + and should act as an equivalent to "git add" for the path, but the + command failed to do so for such a path. + (merge 4c025c667e rp/apply-cached-with-i-t-a later to maint). + + * Other code cleanup, docfix, build fix, etc. + (merge 84544f2ea3 sk/typofixes later to maint). + (merge b17f411ab5 ar/help-guides-doc later to maint). + (merge 98c6871fad rs/grep-simpler-parse-object-or-die-call later to maint). + (merge 861c4ce141 en/typofixes later to maint). + (merge 60e47f6773 sg/ci-git-path-fix-with-pyenv later to maint). + (merge e2bfa50ac3 jb/doc-packfile-name later to maint). + (merge 918d8ff780 es/worktree-cleanup later to maint). + (merge dc156bc31f ma/t1450-quotefix later to maint). + (merge 56e743426b en/merge-recursive-comment-fixes later to maint). + (merge 7d23ff818f rs/bisect-oid-to-hex-fix later to maint). + (merge de20baf2c9 ny/notes-doc-sample-update later to maint). + (merge f649aaaf82 so/rev-parser-errormessage-fix later to maint). + (merge 6103d58b7f bc/sha-256-cvs-svn-updates later to maint). + (merge ac900fddb7 ma/stop-progress-null-fix later to maint). diff --git a/Documentation/blame-options.txt b/Documentation/blame-options.txt index 5d122db6e9..88750af7ae 100644 --- a/Documentation/blame-options.txt +++ b/Documentation/blame-options.txt @@ -36,6 +36,12 @@ include::line-range-format.txt[] START. `git blame --reverse START` is taken as `git blame --reverse START..HEAD` for convenience. +--first-parent:: + Follow only the first parent commit upon seeing a merge + commit. This option can be used to determine when a line + was introduced to a particular integration branch, rather + than when it was introduced to the history overall. + -p:: --porcelain:: Show in a format designed for machine consumption. diff --git a/Documentation/cmd-list.perl b/Documentation/cmd-list.perl index 5aa73cfe45..af5da45d28 100755 --- a/Documentation/cmd-list.perl +++ b/Documentation/cmd-list.perl @@ -6,9 +6,14 @@ sub format_one { my ($out, $nameattr) = @_; my ($name, $attr) = @$nameattr; my ($state, $description); + my $mansection; $state = 0; open I, '<', "$name.txt" or die "No such file $name.txt"; while (<I>) { + if (/^git[a-z0-9-]*\(([0-9])\)$/) { + $mansection = $1; + next; + } if (/^NAME$/) { $state = 1; next; @@ -27,7 +32,7 @@ sub format_one { die "No description found in $name.txt"; } if (my ($verify_name, $text) = ($description =~ /^($name) - (.*)/)) { - print $out "linkgit:$name\[1\]::\n\t"; + print $out "linkgit:$name\[$mansection\]::\n\t"; if ($attr =~ / deprecated /) { print $out "(deprecated) "; } @@ -38,12 +43,15 @@ sub format_one { } } -while (<>) { +my ($input, @categories) = @ARGV; + +open IN, "<$input"; +while (<IN>) { last if /^### command list/; } my %cmds = (); -for (sort <>) { +for (sort <IN>) { next if /^#/; chomp; @@ -51,17 +59,10 @@ for (sort <>) { $attr = '' unless defined $attr; push @{$cmds{$cat}}, [$name, " $attr "]; } +close IN; -for my $cat (qw(ancillaryinterrogators - ancillarymanipulators - mainporcelain - plumbinginterrogators - plumbingmanipulators - synchingrepositories - foreignscminterface - purehelpers - synchelpers)) { - my $out = "cmds-$cat.txt"; +for my $out (@categories) { + my ($cat) = $out =~ /^cmds-(.*)\.txt$/; open O, '>', "$out+" or die "Cannot open output file $out+"; for (@{$cmds{$cat}}) { format_one(\*O, $_); diff --git a/Documentation/config.txt b/Documentation/config.txt index ef0768b91a..3042d80978 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -348,6 +348,8 @@ include::config/diff.txt[] include::config/difftool.txt[] +include::config/extensions.txt[] + include::config/fastimport.txt[] include::config/feature.txt[] diff --git a/Documentation/config/extensions.txt b/Documentation/config/extensions.txt new file mode 100644 index 0000000000..4e23d73cdc --- /dev/null +++ b/Documentation/config/extensions.txt @@ -0,0 +1,8 @@ +extensions.objectFormat:: + Specify the hash algorithm to use. The acceptable values are `sha1` and + `sha256`. If not specified, `sha1` is assumed. It is an error to specify + this key unless `core.repositoryFormatVersion` is 1. ++ +Note that this setting should only be set by linkgit:git-init[1] or +linkgit:git-clone[1]. Trying to change it after initialization will not +work and will produce hard-to-diagnose issues. diff --git a/Documentation/config/fmt-merge-msg.txt b/Documentation/config/fmt-merge-msg.txt index c73cfa90b7..a8e8f74d0a 100644 --- a/Documentation/config/fmt-merge-msg.txt +++ b/Documentation/config/fmt-merge-msg.txt @@ -8,3 +8,15 @@ merge.log:: most the specified number of one-line descriptions from the actual commits that are being merged. Defaults to false, and true is a synonym for 20. + +merge.suppressDest:: + By adding a glob that matches the names of integration + branches to this multi-valued configuration variable, the + default merge message computed for merges into these + integration branches will omit " into <branch name>" from + its title. ++ +An element with an empty value can be used to clear the list +of globs accumulated from previous configuration entries. +When there is no `merge.suppressDest` variable defined, the +default value of `master` is used for backward compatibility. diff --git a/Documentation/config/sendemail.txt b/Documentation/config/sendemail.txt index 0006faf800..cbc5af42fd 100644 --- a/Documentation/config/sendemail.txt +++ b/Documentation/config/sendemail.txt @@ -61,3 +61,8 @@ sendemail.smtpBatchSize:: sendemail.smtpReloginDelay:: Seconds wait before reconnecting to smtp server. See also the `--relogin-delay` option of linkgit:git-send-email[1]. + +sendemail.forbidSendmailVariables:: + To avoid common misconfiguration mistakes, linkgit:git-send-email[1] + will abort with a warning if any configuration options for "sendmail" + exist. Set this variable to bypass the check. diff --git a/Documentation/config/uploadpack.txt b/Documentation/config/uploadpack.txt index ed1c835695..ee7b3ac94f 100644 --- a/Documentation/config/uploadpack.txt +++ b/Documentation/config/uploadpack.txt @@ -57,6 +57,24 @@ uploadpack.allowFilter:: If this option is set, `upload-pack` will support partial clone and partial fetch object filtering. +uploadpackfilter.allow:: + Provides a default value for unspecified object filters (see: the + below configuration variable). + Defaults to `true`. + +uploadpackfilter.<filter>.allow:: + Explicitly allow or ban the object filter corresponding to + `<filter>`, where `<filter>` may be one of: `blob:none`, + `blob:limit`, `tree`, `sparse:oid`, or `combine`. If using + combined filters, both `combine` and all of the nested filter + kinds must be allowed. Defaults to `uploadpackfilter.allow`. + +uploadpackfilter.tree.maxDepth:: + Only allow `--filter=tree=<n>` when `n` is no more than the value of + `uploadpackfilter.tree.maxDepth`. If set, this also implies + `uploadpackfilter.tree.allow=true`, unless this configuration + variable had already been set. Has no effect if unset. + uploadpack.allowRefInWant:: If this option is set, `upload-pack` will support the `ref-in-want` feature of the protocol version 2 `fetch` command. This feature diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 7987d72b02..b7af973d9c 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -73,6 +73,11 @@ ifndef::git-format-patch[] Synonym for `-p --raw`. endif::git-format-patch[] +ifdef::git-log[] +-t:: + Show the tree objects in the diff output. +endif::git-log[] + --indent-heuristic:: Enable the heuristic that shifts diff hunk boundaries to make patches easier to read. This is the default. diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt index 7586c5a843..0e993e4587 100644 --- a/Documentation/git-bisect.txt +++ b/Documentation/git-bisect.txt @@ -17,7 +17,7 @@ The command takes various subcommands, and different options depending on the subcommand: git bisect start [--term-{old,good}=<term> --term-{new,bad}=<term>] - [--no-checkout] [<bad> [<good>...]] [--] [<paths>...] + [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] [<paths>...] git bisect (bad|new|<term-new>) [<rev>] git bisect (good|old|<term-old>) [<rev>...] git bisect terms [--term-good | --term-bad] @@ -365,6 +365,17 @@ does not require a checked out tree. + If the repository is bare, `--no-checkout` is assumed. +--first-parent:: ++ +Follow only the first parent commit upon seeing a merge commit. ++ +In detecting regressions introduced through the merging of a branch, the merge +commit will be identified as introduction of the bug and its ancestors will be +ignored. ++ +This option is particularly useful in avoiding false positives when a merged +branch contained broken or non-buildable commits, but the merge itself was OK. + EXAMPLES -------- diff --git a/Documentation/git-bundle.txt b/Documentation/git-bundle.txt index d34b0964be..53804cad4b 100644 --- a/Documentation/git-bundle.txt +++ b/Documentation/git-bundle.txt @@ -9,7 +9,8 @@ git-bundle - Move objects and refs by archive SYNOPSIS -------- [verse] -'git bundle' create [-q | --quiet | --progress | --all-progress] [--all-progress-implied] <file> <git-rev-list-args> +'git bundle' create [-q | --quiet | --progress | --all-progress] [--all-progress-implied] + [--version=<version>] <file> <git-rev-list-args> 'git bundle' verify [-q | --quiet] <file> 'git bundle' list-heads <file> [<refname>...] 'git bundle' unbundle <file> [<refname>...] @@ -102,6 +103,12 @@ unbundle <file>:: is activated. Unlike --all-progress this flag doesn't actually force any progress display by itself. +--version=<version>:: + Specify the bundle version. Version 2 is the older format and can only be + used with SHA-1 repositories; the newer version 3 contains capabilities that + permit extensions. The default is the oldest supported format, based on the + hash algorithm in use. + -q:: --quiet:: This flag makes the command not to report its progress diff --git a/Documentation/git-commit-graph.txt b/Documentation/git-commit-graph.txt index 8ca1764d3d..17405c73a9 100644 --- a/Documentation/git-commit-graph.txt +++ b/Documentation/git-commit-graph.txt @@ -62,7 +62,10 @@ existing commit-graph file. With the `--changed-paths` option, compute and write information about the paths changed between a commit and its first parent. This operation can take a while on large repositories. It provides significant performance gains -for getting history of a directory or a file with `git log -- <path>`. +for getting history of a directory or a file with `git log -- <path>`. If +this option is given, future commit-graph writes will automatically assume +that this option was intended. Use `--no-changed-paths` to stop storing this +data. + With the `--split[=<strategy>]` option, write the commit-graph as a chain of multiple commit-graph files stored in diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index 6dcd39f6f6..2ea71c5f6c 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -232,12 +232,27 @@ Fields that have name-email-date tuple as its value (`author`, `committer`, and `tagger`) can be suffixed with `name`, `email`, and `date` to extract the named component. -The complete message in a commit and tag object is `contents`. -Its first line is `contents:subject`, where subject is the concatenation -of all lines of the commit message up to the first blank line. The next -line is `contents:body`, where body is all of the lines after the first -blank line. The optional GPG signature is `contents:signature`. The -first `N` lines of the message is obtained using `contents:lines=N`. +The message in a commit or a tag object is `contents`, from which +`contents:<part>` can be used to extract various parts out of: + +contents:size:: + The size in bytes of the commit or tag message. + +contents:subject:: + The first paragraph of the message, which typically is a + single line, is taken as the "subject" of the commit or the + tag message. + +contents:body:: + The remainder of the commit or the tag message that follows + the "subject". + +contents:signature:: + The optional GPG signature of the tag. + +contents:lines=N:: + The first `N` lines of the message. + Additionally, the trailers as interpreted by linkgit:git-interpret-trailers[1] are obtained as `trailers` (or by using the historical alias `contents:trailers`). Non-trailer lines from the trailer block can be omitted diff --git a/Documentation/git-help.txt b/Documentation/git-help.txt index f71db0daa2..44fe8860b3 100644 --- a/Documentation/git-help.txt +++ b/Documentation/git-help.txt @@ -8,7 +8,7 @@ git-help - Display help information about Git SYNOPSIS -------- [verse] -'git help' [-a|--all [--[no-]verbose]] [-g|--guide] +'git help' [-a|--all [--[no-]verbose]] [-g|--guides] [-i|--info|-m|--man|-w|--web] [COMMAND|GUIDE] DESCRIPTION @@ -21,8 +21,8 @@ on the standard output. If the option `--all` or `-a` is given, all available commands are printed on the standard output. -If the option `--guide` or `-g` is given, a list of the useful -Git guides is also printed on the standard output. +If the option `--guides` or `-g` is given, a list of the +Git concept guides is also printed on the standard output. If a command, or a guide, is given, a manual page for that command or guide is brought up. The 'man' program is used by default for this @@ -58,7 +58,7 @@ OPTIONS -g:: --guides:: - Prints a list of useful guides on the standard output. This + Prints a list of the Git concept guides on the standard output. This option overrides any given command or guide name. -i:: diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt index 9316d9a80b..ac74d058e0 100644 --- a/Documentation/git-index-pack.txt +++ b/Documentation/git-index-pack.txt @@ -104,8 +104,8 @@ This option cannot be used with --stdin. NOTES ----- -Once the index has been created, the list of object names is sorted -and the SHA-1 hash of that list is printed to stdout. If --stdin was +Once the index has been created, the hash that goes into the name of +the pack/idx file is printed to stdout. If --stdin was also used then this is prefixed by either "pack\t", or "keep\t" if a new .keep file was successfully created. This is useful to remove a .keep file used as a lock to prevent the race with 'git repack' diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt index 20e6d21a74..2b8ac5ff88 100644 --- a/Documentation/git-log.txt +++ b/Documentation/git-log.txt @@ -15,9 +15,12 @@ DESCRIPTION ----------- Shows the commit logs. -The command takes options applicable to the `git rev-list` +:git-log: 1 +include::rev-list-description.txt[] + +The command takes options applicable to the linkgit:git-rev-list[1] command to control what is shown and how, and options applicable to -the `git diff-*` commands to control how the changes +the linkgit:git-diff[1] command to control how the changes each commit introduces are shown. @@ -111,8 +114,51 @@ include::rev-list-options.txt[] include::pretty-formats.txt[] -COMMON DIFF OPTIONS -------------------- +DIFF FORMATTING +--------------- + +By default, `git log` does not generate any diff output. The options +below can be used to show the changes made by each commit. + +Note that unless one of `-c`, `--cc`, or `-m` is given, merge commits +will never show a diff, even if a diff format like `--patch` is +selected, nor will they match search options like `-S`. The exception is +when `--first-parent` is in use, in which merges are treated like normal +single-parent commits (this can be overridden by providing a +combined-diff option or with `--no-diff-merges`). + +-c:: + With this option, diff output for a merge commit + shows the differences from each of the parents to the merge result + simultaneously instead of showing pairwise diff between a parent + and the result one at a time. Furthermore, it lists only files + which were modified from all parents. + +--cc:: + This flag implies the `-c` option and further compresses the + patch output by omitting uninteresting hunks whose contents in + the parents have only two variants and the merge result picks + one of them without modification. + +--combined-all-paths:: + This flag causes combined diffs (used for merge commits) to + list the name of the file from all parents. It thus only has + effect when -c or --cc are specified, and is likely only + useful if filename changes are detected (i.e. when either + rename or copy detection have been requested). + +-m:: + This flag makes the merge commits show the full diff like + regular commits; for each merge parent, a separate log entry + and diff is generated. An exception is that only diff against + the first parent is shown when `--first-parent` option is given; + in that case, the output represents the changes the merge + brought _into_ the then-current branch. + +--diff-merges=off:: +--no-diff-merges:: + Disable output of diffs for merge commits (default). Useful to + override `-m`, `-c`, or `--cc`. :git-log: 1 include::diff-options.txt[] diff --git a/Documentation/git-notes.txt b/Documentation/git-notes.txt index ced2e8280e..0a4200674c 100644 --- a/Documentation/git-notes.txt +++ b/Documentation/git-notes.txt @@ -223,7 +223,7 @@ are taken from notes refs. A notes ref is usually a branch which contains "files" whose paths are the object names for the objects they describe, with some directory separators included for performance reasons footnote:[Permitted pathnames have the form -'ab'`/`'cd'`/`'ef'`/`'...'`/`'abcdef...': a sequence of directory +'bf'`/`'fe'`/`'30'`/`'...'`/`'680d5a...': a sequence of directory names of two hexadecimal digits each followed by a filename with the rest of the object ID.]. diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt index eaa2f2a404..54d715ead1 100644 --- a/Documentation/git-pack-objects.txt +++ b/Documentation/git-pack-objects.txt @@ -270,15 +270,18 @@ So does `git bundle` (see linkgit:git-bundle[1]) when it creates a bundle. This option specifies how missing objects are handled. + The form '--missing=error' requests that pack-objects stop with an error if -a missing object is encountered. This is the default action. +a missing object is encountered. If the repository is a partial clone, an +attempt to fetch missing objects will be made before declaring them missing. +This is the default action. + The form '--missing=allow-any' will allow object traversal to continue -if a missing object is encountered. Missing objects will silently be -omitted from the results. +if a missing object is encountered. No fetch of a missing object will occur. +Missing objects will silently be omitted from the results. + The form '--missing=allow-promisor' is like 'allow-any', but will only allow object traversal to continue for EXPECTED promisor missing objects. -Unexpected missing object will raise an error. +No fetch of a missing object will occur. An unexpected missing object will +raise an error. --exclude-promisor-objects:: Omit objects that are known to be in the promisor remote. (This diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt index 025c911436..5da66232dc 100644 --- a/Documentation/git-rev-list.txt +++ b/Documentation/git-rev-list.txt @@ -14,44 +14,8 @@ SYNOPSIS DESCRIPTION ----------- -List commits that are reachable by following the `parent` links from the -given commit(s), but exclude commits that are reachable from the one(s) -given with a '{caret}' in front of them. The output is given in reverse -chronological order by default. - -You can think of this as a set operation. Commits given on the command -line form a set of commits that are reachable from any of them, and then -commits reachable from any of the ones given with '{caret}' in front are -subtracted from that set. The remaining commits are what comes out in the -command's output. Various other options and paths parameters can be used -to further limit the result. - -Thus, the following command: - ------------------------------------------------------------------------ - $ git rev-list foo bar ^baz ------------------------------------------------------------------------ - -means "list all the commits which are reachable from 'foo' or 'bar', but -not from 'baz'". - -A special notation "'<commit1>'..'<commit2>'" can be used as a -short-hand for "{caret}'<commit1>' '<commit2>'". For example, either of -the following may be used interchangeably: - ------------------------------------------------------------------------ - $ git rev-list origin..HEAD - $ git rev-list HEAD ^origin ------------------------------------------------------------------------ - -Another special notation is "'<commit1>'...'<commit2>'" which is useful -for merges. The resulting set of commits is the symmetric difference -between the two operands. The following two commands are equivalent: - ------------------------------------------------------------------------ - $ git rev-list A B --not $(git merge-base --all A B) - $ git rev-list A...B ------------------------------------------------------------------------ +:git-rev-list: 1 +include::rev-list-description.txt[] 'rev-list' is a very essential Git command, since it provides the ability to build and traverse commit ancestry graphs. For diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt index 3e737c2360..d401234b03 100644 --- a/Documentation/git-update-ref.txt +++ b/Documentation/git-update-ref.txt @@ -148,12 +148,13 @@ still see a subset of the modifications. LOGGING UPDATES --------------- -If config parameter "core.logAllRefUpdates" is true and the ref is one under -"refs/heads/", "refs/remotes/", "refs/notes/", or the symbolic ref HEAD; or -the file "$GIT_DIR/logs/<ref>" exists then `git update-ref` will append -a line to the log file "$GIT_DIR/logs/<ref>" (dereferencing all -symbolic refs before creating the log name) describing the change -in ref value. Log lines are formatted as: +If config parameter "core.logAllRefUpdates" is true and the ref is one +under "refs/heads/", "refs/remotes/", "refs/notes/", or a pseudoref +like HEAD or ORIG_HEAD; or the file "$GIT_DIR/logs/<ref>" exists then +`git update-ref` will append a line to the log file +"$GIT_DIR/logs/<ref>" (dereferencing all symbolic refs before creating +the log name) describing the change in ref value. Log lines are +formatted as: oldsha1 SP newsha1 SP committer LF diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt index 4796c3c05e..6ee6ec7982 100644 --- a/Documentation/git-worktree.txt +++ b/Documentation/git-worktree.txt @@ -25,8 +25,9 @@ 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 tree is associated with the repository. This new working tree is called a -"linked working tree" as opposed to the "main working tree" prepared by "git -init" or "git clone". A repository has one main working tree (if it's not a +"linked working tree" as opposed to the "main working tree" prepared by +linkgit:git-init[1] or linkgit:git-clone[1]. +A repository has one main working tree (if it's not a bare repository) and zero or more linked working trees. When you are done with a linked working tree, remove it with `git worktree remove`. @@ -48,10 +49,10 @@ add <path> [<commit-ish>]:: Create `<path>` and checkout `<commit-ish>` into it. The new working directory is linked to the current repository, sharing everything except working -directory specific files such as HEAD, index, etc. `-` may also be -specified as `<commit-ish>`; it is synonymous with `@{-1}`. +directory specific files such as `HEAD`, `index`, etc. As a convenience, +`<commit-ish>` may be a bare "`-`", which is synonymous with `@{-1}`. + -If <commit-ish> is a branch name (call it `<branch>`) and is not found, +If `<commit-ish>` is a branch name (call it `<branch>`) and is not found, and neither `-b` nor `-B` nor `--detach` are used, but there does exist a tracking branch in exactly one remote (call it `<remote>`) with a matching name, treat as equivalent to: @@ -66,24 +67,24 @@ one for the purposes of disambiguation, even if the `<branch>` isn't unique across all remotes. Set it to e.g. `checkout.defaultRemote=origin` to always checkout remote branches from there if `<branch>` is ambiguous but exists on the -'origin' remote. See also `checkout.defaultRemote` in +`origin` remote. See also `checkout.defaultRemote` in linkgit:git-config[1]. + If `<commit-ish>` is omitted and neither `-b` nor `-B` nor `--detach` used, -then, as a convenience, the new worktree is associated with a branch +then, as a convenience, the new working tree is associated with a branch (call it `<branch>`) named after `$(basename <path>)`. If `<branch>` -doesn't exist, a new branch based on HEAD is automatically created as +doesn't exist, a new branch based on `HEAD` is automatically created as if `-b <branch>` was given. If `<branch>` does exist, it will be -checked out in the new worktree, if it's not checked out anywhere -else, otherwise the command will refuse to create the worktree (unless +checked out in the new working tree, if it's not checked out anywhere +else, otherwise the command will refuse to create the working tree (unless `--force` is used). list:: -List details of each worktree. The main worktree is listed first, followed by -each of the linked worktrees. The output details include if the worktree is -bare, the revision currently checked out, and the branch currently checked out -(or 'detached HEAD' if none). +List details of each working tree. The main working tree is listed first, +followed by each of the linked working trees. The output details include +whether the working tree is bare, the revision currently checked out, and the +branch currently checked out (or "detached HEAD" if none). lock:: @@ -100,7 +101,7 @@ or linked working trees containing submodules cannot be moved. prune:: -Prune working tree information in $GIT_DIR/worktrees. +Prune working tree information in `$GIT_DIR/worktrees`. remove:: @@ -128,7 +129,7 @@ OPTIONS `move` refuses to move a locked working tree unless `--force` is specified twice. If the destination is already assigned to some other working tree but is missing (for instance, if `<new-path>` was deleted manually), then `--force` -allows the move to proceed; use --force twice if the destination is locked. +allows the move to proceed; use `--force` twice if the destination is locked. + `remove` refuses to remove an unclean working tree unless `--force` is used. To remove a locked working tree, specify `--force` twice. @@ -137,13 +138,13 @@ To remove a locked working tree, specify `--force` twice. -B <new-branch>:: With `add`, create a new branch named `<new-branch>` starting at `<commit-ish>`, and check out `<new-branch>` into the new working tree. - If `<commit-ish>` is omitted, it defaults to HEAD. + If `<commit-ish>` 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 `<commit-ish>`. --detach:: - With `add`, detach HEAD in the new working tree. See "DETACHED HEAD" + With `add`, detach `HEAD` in the new working tree. See "DETACHED HEAD" in linkgit:git-checkout[1]. --[no-]checkout:: @@ -154,7 +155,7 @@ To remove a locked working tree, specify `--force` twice. --[no-]guess-remote:: With `worktree add <path>`, without `<commit-ish>`, instead - of creating a new branch from HEAD, if there exists a tracking + of creating a new branch from `HEAD`, if there exists a tracking branch in exactly one remote matching the basename of `<path>`, base the new branch on the remote-tracking branch, and mark the remote-tracking branch as "upstream" from the new branch. @@ -166,12 +167,12 @@ This can also be set up as the default behaviour by using the When creating a new branch, if `<commit-ish>` is a branch, mark it as "upstream" from the new branch. This is the default if `<commit-ish>` is a remote-tracking branch. See - "--track" in linkgit:git-branch[1] for details. + `--track` in linkgit:git-branch[1] for details. --lock:: Keep the working tree locked after creation. This is the equivalent of `git worktree lock` after `git worktree add`, - but without race condition. + but without a race condition. -n:: --dry-run:: @@ -185,14 +186,14 @@ This can also be set up as the default behaviour by using the -q:: --quiet:: - With 'add', suppress feedback messages. + With `add`, suppress feedback messages. -v:: --verbose:: With `prune`, report all removals. --expire <time>:: - With `prune`, only expire unused working trees older than <time>. + With `prune`, only expire unused working trees older than `<time>`. --reason <string>:: With `lock`, an explanation why the working tree is locked. @@ -202,48 +203,48 @@ This can also be set up as the default behaviour by using the absolute. + If the last path components in the working tree's path is unique among -working trees, it can be used to identify worktrees. For example if -you only have two working trees, at "/abc/def/ghi" and "/abc/def/ggg", -then "ghi" or "def/ghi" is enough to point to the former working tree. +working trees, it can be used to identify a working tree. For example if +you only have two working trees, at `/abc/def/ghi` and `/abc/def/ggg`, +then `ghi` or `def/ghi` is enough to point to the former working tree. REFS ---- In multiple working trees, some refs may be shared between all working -trees, some refs are local. One example is HEAD is different for all -working trees. This section is about the sharing rules and how to access +trees and some refs are local. One example is `HEAD` which is different for each +working tree. This section is about the sharing rules and how to access refs of one working tree from another. In general, all pseudo refs are per working tree and all refs starting -with "refs/" are shared. Pseudo refs are ones like HEAD which are -directly under GIT_DIR instead of inside GIT_DIR/refs. There is one -exception to this: refs inside refs/bisect and refs/worktree is not +with `refs/` are shared. Pseudo refs are ones like `HEAD` which are +directly under `$GIT_DIR` instead of inside `$GIT_DIR/refs`. There are +exceptions, however: refs inside `refs/bisect` and `refs/worktree` are not shared. Refs that are per working tree can still be accessed from another -working tree via two special paths, main-worktree and worktrees. The -former gives access to per-worktree refs of the main working tree, +working tree via two special paths, `main-worktree` and `worktrees`. The +former gives access to per-working tree refs of the main working tree, while the latter to all linked working trees. -For example, main-worktree/HEAD or main-worktree/refs/bisect/good -resolve to the same value as the main working tree's HEAD and -refs/bisect/good respectively. Similarly, worktrees/foo/HEAD or -worktrees/bar/refs/bisect/bad are the same as -GIT_COMMON_DIR/worktrees/foo/HEAD and -GIT_COMMON_DIR/worktrees/bar/refs/bisect/bad. +For example, `main-worktree/HEAD` or `main-worktree/refs/bisect/good` +resolve to the same value as the main working tree's `HEAD` and +`refs/bisect/good` respectively. Similarly, `worktrees/foo/HEAD` or +`worktrees/bar/refs/bisect/bad` are the same as +`$GIT_COMMON_DIR/worktrees/foo/HEAD` and +`$GIT_COMMON_DIR/worktrees/bar/refs/bisect/bad`. -To access refs, it's best not to look inside GIT_DIR directly. Instead +To access refs, it's best not to look inside `$GIT_DIR` directly. Instead use commands such as linkgit:git-rev-parse[1] or linkgit:git-update-ref[1] which will handle refs correctly. CONFIGURATION FILE ------------------ -By default, the repository "config" file is shared across all working +By default, the repository `config` file is shared across all working trees. If the config variables `core.bare` or `core.worktree` are already present in the config file, they will be applied to the main working trees only. In order to have configuration specific to working trees, you can turn -on "worktreeConfig" extension, e.g.: +on the `worktreeConfig` extension, e.g.: ------------ $ git config extensions.worktreeConfig true @@ -255,7 +256,7 @@ configuration in this file with `git config --worktree`. Older Git versions will refuse to access repositories with this extension. Note that in this file, the exception for `core.bare` and `core.worktree` -is gone. If you have them in $GIT_DIR/config before, you must move +is gone. If they exist in `$GIT_DIR/config`, you must move them to the `config.worktree` of the main working tree. You may also take this opportunity to review and move other configuration that you do not want to share to all working trees: @@ -268,7 +269,7 @@ do not want to share to all working trees: DETAILS ------- Each linked working tree has a private sub-directory in the repository's -$GIT_DIR/worktrees directory. The private sub-directory's name is usually +`$GIT_DIR/worktrees` directory. The private sub-directory's name is usually the base name of the linked working tree's path, possibly appended with a number to make it unique. For example, when `$GIT_DIR=/path/main/.git` the command `git worktree add /path/other/test-next next` creates the linked @@ -276,51 +277,51 @@ working tree in `/path/other/test-next` and also creates a `$GIT_DIR/worktrees/test-next` directory (or `$GIT_DIR/worktrees/test-next1` if `test-next` is already taken). -Within a linked working tree, $GIT_DIR is set to point to this private +Within a linked working tree, `$GIT_DIR` is set to point to this private directory (e.g. `/path/main/.git/worktrees/test-next` in the example) and -$GIT_COMMON_DIR is set to point back to the main working tree's $GIT_DIR +`$GIT_COMMON_DIR` is set to point back to the main working tree's `$GIT_DIR` (e.g. `/path/main/.git`). These settings are made in a `.git` file located at the top directory of the linked working tree. Path resolution via `git rev-parse --git-path` uses either -$GIT_DIR or $GIT_COMMON_DIR depending on the path. For example, in the +`$GIT_DIR` or `$GIT_COMMON_DIR` depending on the path. For example, in the linked working tree `git rev-parse --git-path HEAD` returns `/path/main/.git/worktrees/test-next/HEAD` (not `/path/other/test-next/.git/HEAD` or `/path/main/.git/HEAD`) while `git rev-parse --git-path refs/heads/master` uses -$GIT_COMMON_DIR and returns `/path/main/.git/refs/heads/master`, -since refs are shared across all working trees, except refs/bisect and -refs/worktree. +`$GIT_COMMON_DIR` and returns `/path/main/.git/refs/heads/master`, +since refs are shared across all working trees, except `refs/bisect` and +`refs/worktree`. See linkgit:gitrepository-layout[5] for more information. The rule of thumb is do not make any assumption about whether a path belongs to -$GIT_DIR or $GIT_COMMON_DIR when you need to directly access something -inside $GIT_DIR. Use `git rev-parse --git-path` to get the final path. +`$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. -If you manually move a linked working tree, you need to update the 'gitdir' file +If you manually move a linked working tree, you need to update the `gitdir` file in the entry's directory. For example, if a linked working tree is moved to `/newpath/test-next` and its `.git` file points to `/path/main/.git/worktrees/test-next`, then update `/path/main/.git/worktrees/test-next/gitdir` to reference `/newpath/test-next` instead. -To prevent a $GIT_DIR/worktrees entry from being pruned (which +To prevent a `$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), use the `git worktree lock` command, which adds a file named -'locked' to the entry's directory. The file contains the reason in +`locked` to the entry's directory. The file contains the reason in plain text. For example, if a linked working tree's `.git` file points to `/path/main/.git/worktrees/test-next` then a file named `/path/main/.git/worktrees/test-next/locked` will prevent the `test-next` entry from being pruned. See linkgit:gitrepository-layout[5] for details. -When extensions.worktreeConfig is enabled, the config file +When `extensions.worktreeConfig` is enabled, the config file `.git/worktrees/<id>/config.worktree` is read after `.git/config` is. LIST OUTPUT FORMAT ------------------ -The worktree list command has two output formats. The default format shows the +The `worktree list` command has two output formats. The default format shows the details on a single line with columns. For example: ------------ @@ -333,10 +334,10 @@ $ git worktree list Porcelain Format ~~~~~~~~~~~~~~~~ The porcelain format has a line per attribute. Attributes are listed with a -label and value separated by a single space. Boolean attributes (like 'bare' -and 'detached') are listed as a label only, and are only present if and only -if the value is true. The first attribute of a worktree is always `worktree`, -an empty line indicates the end of the record. For example: +label and value separated by a single space. Boolean attributes (like `bare` +and `detached`) are listed as a label only, and are present only +if the value is true. The first attribute of a working tree is always +`worktree`, an empty line indicates the end of the record. For example: ------------ $ git worktree list --porcelain diff --git a/Documentation/git.txt b/Documentation/git.txt index 3e50065198..81349a84e7 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -304,6 +304,13 @@ users typically do not use them directly. include::cmds-purehelpers.txt[] +Guides +------ + +The following documentation pages are guides about Git concepts. + +include::cmds-guide.txt[] + Configuration Mechanism ----------------------- diff --git a/Documentation/gitcredentials.txt b/Documentation/gitcredentials.txt index 9e481aec85..758bf39ba3 100644 --- a/Documentation/gitcredentials.txt +++ b/Documentation/gitcredentials.txt @@ -3,7 +3,7 @@ gitcredentials(7) NAME ---- -gitcredentials - providing usernames and passwords to Git +gitcredentials - Providing usernames and passwords to Git SYNOPSIS -------- diff --git a/Documentation/rev-list-description.txt b/Documentation/rev-list-description.txt new file mode 100644 index 0000000000..a9efa7fa27 --- /dev/null +++ b/Documentation/rev-list-description.txt @@ -0,0 +1,61 @@ +List commits that are reachable by following the `parent` links from the +given commit(s), but exclude commits that are reachable from the one(s) +given with a '{caret}' in front of them. The output is given in reverse +chronological order by default. + +You can think of this as a set operation. Commits reachable from any of +the commits given on the command line form a set, and then commits reachable +from any of the ones given with '{caret}' in front are subtracted from that +set. The remaining commits are what comes out in the command's output. +Various other options and paths parameters can be used to further limit the +result. + +Thus, the following command: + +ifdef::git-rev-list[] +----------------------------------------------------------------------- +$ git rev-list foo bar ^baz +----------------------------------------------------------------------- +endif::git-rev-list[] +ifdef::git-log[] +----------------------------------------------------------------------- +$ git log foo bar ^baz +----------------------------------------------------------------------- +endif::git-log[] + +means "list all the commits which are reachable from 'foo' or 'bar', but +not from 'baz'". + +A special notation "'<commit1>'..'<commit2>'" can be used as a +short-hand for "^'<commit1>' '<commit2>'". For example, either of +the following may be used interchangeably: + +ifdef::git-rev-list[] +----------------------------------------------------------------------- +$ git rev-list origin..HEAD +$ git rev-list HEAD ^origin +----------------------------------------------------------------------- +endif::git-rev-list[] +ifdef::git-log[] +----------------------------------------------------------------------- +$ git log origin..HEAD +$ git log HEAD ^origin +----------------------------------------------------------------------- +endif::git-log[] + +Another special notation is "'<commit1>'...'<commit2>'" which is useful +for merges. The resulting set of commits is the symmetric difference +between the two operands. The following two commands are equivalent: + +ifdef::git-rev-list[] +----------------------------------------------------------------------- +$ git rev-list A B --not $(git merge-base --all A B) +$ git rev-list A...B +----------------------------------------------------------------------- +endif::git-rev-list[] +ifdef::git-log[] +----------------------------------------------------------------------- +$ git log A B --not $(git merge-base --all A B) +$ git log A...B +----------------------------------------------------------------------- +endif::git-log[] diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index b01b2b6773..002379056a 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -128,8 +128,7 @@ parents) and `--max-parents=-1` (negative numbers denote no upper limit). because merges into a topic branch tend to be only about adjusting to updated upstream from time to time, and this option allows you to ignore the individual commits - brought in to your history by such a merge. Cannot be - combined with --bisect. + brought in to your history by such a merge. --not:: Reverses the meaning of the '{caret}' prefix (or lack thereof) @@ -207,7 +206,7 @@ ifndef::git-rev-list[] Pretend as if the bad bisection ref `refs/bisect/bad` was listed and as if it was followed by `--not` and the good bisection refs `refs/bisect/good-*` on the command - line. Cannot be combined with --first-parent. + line. endif::git-rev-list[] --stdin:: @@ -743,7 +742,7 @@ outputs 'midpoint', the output of the two commands would be of roughly the same length. Finding the change which introduces a regression is thus reduced to a binary search: repeatedly generate and test new 'midpoint's until the commit chain is of length -one. Cannot be combined with --first-parent. +one. --bisect-vars:: This calculates the same as `--bisect`, except that refs in @@ -1117,48 +1116,3 @@ ifdef::git-rev-list[] by a tab. endif::git-rev-list[] endif::git-shortlog[] - -ifndef::git-shortlog[] -ifndef::git-rev-list[] -Diff Formatting -~~~~~~~~~~~~~~~ - -Listed below are options that control the formatting of diff output. -Some of them are specific to linkgit:git-rev-list[1], however other diff -options may be given. See linkgit:git-diff-files[1] for more options. - --c:: - With this option, diff output for a merge commit - shows the differences from each of the parents to the merge result - simultaneously instead of showing pairwise diff between a parent - and the result one at a time. Furthermore, it lists only files - which were modified from all parents. - ---cc:: - This flag implies the `-c` option and further compresses the - patch output by omitting uninteresting hunks whose contents in - the parents have only two variants and the merge result picks - one of them without modification. - ---combined-all-paths:: - This flag causes combined diffs (used for merge commits) to - list the name of the file from all parents. It thus only has - effect when -c or --cc are specified, and is likely only - useful if filename changes are detected (i.e. when either - rename or copy detection have been requested). - --m:: - This flag makes the merge commits show the full diff like - regular commits; for each merge parent, a separate log entry - and diff is generated. An exception is that only diff against - the first parent is shown when `--first-parent` option is given; - in that case, the output represents the changes the merge - brought _into_ the then-current branch. - --r:: - Show recursive diffs. - --t:: - Show the tree objects in the diff output. This implies `-r`. -endif::git-rev-list[] -endif::git-shortlog[] diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt index 1ad95065c1..d9169c062e 100644 --- a/Documentation/revisions.txt +++ b/Documentation/revisions.txt @@ -254,6 +254,9 @@ specifying a single revision, using the notation described in the previous section, means the set of commits `reachable` from the given commit. +Specifying several revisions means the set of commits reachable from +any of the given commits. + A commit's reachable set is the commit itself and the commits in its ancestry chain. diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt index 2e2e7c10c6..5a60bbfa7f 100644 --- a/Documentation/technical/api-parse-options.txt +++ b/Documentation/technical/api-parse-options.txt @@ -232,9 +232,9 @@ There are some macros to easily define options: will be overwritten, so this should only be used for options where the last one specified on the command line wins. -`OPT_PASSTHRU_ARGV(short, long, &argv_array_var, arg_str, description, flags)`:: +`OPT_PASSTHRU_ARGV(short, long, &strvec_var, arg_str, description, flags)`:: Introduce an option where all instances of it on the command-line will - be reconstructed into an argv_array. This is useful when you need to + be reconstructed into a strvec. This is useful when you need to pass the command-line option, which can be specified multiple times, to another command. diff --git a/Documentation/technical/bundle-format.txt b/Documentation/technical/bundle-format.txt index 0e828151a5..bac558d049 100644 --- a/Documentation/technical/bundle-format.txt +++ b/Documentation/technical/bundle-format.txt @@ -7,6 +7,8 @@ The Git bundle format is a format that represents both refs and Git objects. We will use ABNF notation to define the Git bundle format. See protocol-common.txt for the details. +A v2 bundle looks like this: + ---- bundle = signature *prerequisite *reference LF pack signature = "# v2 git bundle" LF @@ -18,9 +20,28 @@ reference = obj-id SP refname LF pack = ... ; packfile ---- +A v3 bundle looks like this: + +---- +bundle = signature *capability *prerequisite *reference LF pack +signature = "# v3 git bundle" LF + +capability = "@" key ["=" value] LF +prerequisite = "-" obj-id SP comment LF +comment = *CHAR +reference = obj-id SP refname LF +key = 1*(ALPHA / DIGIT / "-") +value = *(%01-09 / %0b-FF) + +pack = ... ; packfile +---- + == Semantics -A Git bundle consists of three parts. +A Git bundle consists of several parts. + +* "Capabilities", which are only in the v3 format, indicate functionality that + the bundle requires to be read properly. * "Prerequisites" lists the objects that are NOT included in the bundle and the reader of the bundle MUST already have, in order to use the data in the @@ -46,3 +67,10 @@ put any string here. The reader of the bundle MUST ignore the comment. Note that the prerequisites does not represent a shallow-clone boundary. The semantics of the prerequisites and the shallow-clone boundaries are different, and the Git bundle v2 format cannot represent a shallow clone repository. + +== Capabilities + +Because there is no opportunity for negotiation, unknown capabilities cause 'git +bundle' to abort. The only known capability is `object-format`, which specifies +the hash algorithm in use, and can take the same values as the +`extensions.objectFormat` configuration value. diff --git a/Documentation/technical/commit-graph-format.txt b/Documentation/technical/commit-graph-format.txt index 1beef17182..440541045d 100644 --- a/Documentation/technical/commit-graph-format.txt +++ b/Documentation/technical/commit-graph-format.txt @@ -32,7 +32,7 @@ the body into "chunks" and provide a binary lookup table at the beginning of the body. The header includes certain values, such as number of chunks and hash type. -All 4-byte numbers are in network order. +All multi-byte numbers are in network byte order. HEADER: |