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631 строка
23 KiB
Plaintext
githooks(5)
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===========
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NAME
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----
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githooks - Hooks used by Git
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SYNOPSIS
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--------
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$GIT_DIR/hooks/* (or \`git config core.hooksPath`/*)
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DESCRIPTION
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-----------
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Hooks are programs you can place in a hooks directory to trigger
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actions at certain points in git's execution. Hooks that don't have
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the executable bit set are ignored.
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By default the hooks directory is `$GIT_DIR/hooks`, but that can be
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changed via the `core.hooksPath` configuration variable (see
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linkgit:git-config[1]).
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Before Git invokes a hook, it changes its working directory to either
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$GIT_DIR in a bare repository or the root of the working tree in a non-bare
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repository. An exception are hooks triggered during a push ('pre-receive',
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'update', 'post-receive', 'post-update', 'push-to-checkout') which are always
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executed in $GIT_DIR.
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Hooks can get their arguments via the environment, command-line
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arguments, and stdin. See the documentation for each hook below for
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details.
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`git init` may copy hooks to the new repository, depending on its
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configuration. See the "TEMPLATE DIRECTORY" section in
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linkgit:git-init[1] for details. When the rest of this document refers
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to "default hooks" it's talking about the default template shipped
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with Git.
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The currently supported hooks are described below.
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HOOKS
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-----
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applypatch-msg
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~~~~~~~~~~~~~~
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This hook is invoked by linkgit:git-am[1]. It takes a single
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parameter, the name of the file that holds the proposed commit
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log message. Exiting with a non-zero status causes `git am` to abort
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before applying the patch.
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The hook is allowed to edit the message file in place, and can
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be used to normalize the message into some project standard
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format. It can also be used to refuse the commit after inspecting
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the message file.
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The default 'applypatch-msg' hook, when enabled, runs the
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'commit-msg' hook, if the latter is enabled.
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pre-applypatch
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~~~~~~~~~~~~~~
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This hook is invoked by linkgit:git-am[1]. It takes no parameter, and is
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invoked after the patch is applied, but before a commit is made.
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If it exits with non-zero status, then the working tree will not be
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committed after applying the patch.
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It can be used to inspect the current working tree and refuse to
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make a commit if it does not pass certain test.
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The default 'pre-applypatch' hook, when enabled, runs the
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'pre-commit' hook, if the latter is enabled.
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post-applypatch
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~~~~~~~~~~~~~~~
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This hook is invoked by linkgit:git-am[1]. It takes no parameter,
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and is invoked after the patch is applied and a commit is made.
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This hook is meant primarily for notification, and cannot affect
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the outcome of `git am`.
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pre-commit
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~~~~~~~~~~
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This hook is invoked by linkgit:git-commit[1], and can be bypassed
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with the `--no-verify` option. It takes no parameters, and is
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invoked before obtaining the proposed commit log message and
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making a commit. Exiting with a non-zero status from this script
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causes the `git commit` command to abort before creating a commit.
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The default 'pre-commit' hook, when enabled, catches introduction
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of lines with trailing whitespaces and aborts the commit when
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such a line is found.
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All the `git commit` hooks are invoked with the environment
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variable `GIT_EDITOR=:` if the command will not bring up an editor
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to modify the commit message.
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The default 'pre-commit' hook, when enabled--and with the
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`hooks.allownonascii` config option unset or set to false--prevents
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the use of non-ASCII filenames.
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pre-merge-commit
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~~~~~~~~~~~~~~~~
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This hook is invoked by linkgit:git-merge[1], and can be bypassed
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with the `--no-verify` option. It takes no parameters, and is
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invoked after the merge has been carried out successfully and before
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obtaining the proposed commit log message to
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make a commit. Exiting with a non-zero status from this script
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causes the `git merge` command to abort before creating a commit.
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The default 'pre-merge-commit' hook, when enabled, runs the
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'pre-commit' hook, if the latter is enabled.
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This hook is invoked with the environment variable
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`GIT_EDITOR=:` if the command will not bring up an editor
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to modify the commit message.
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If the merge cannot be carried out automatically, the conflicts
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need to be resolved and the result committed separately (see
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linkgit:git-merge[1]). At that point, this hook will not be executed,
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but the 'pre-commit' hook will, if it is enabled.
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prepare-commit-msg
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~~~~~~~~~~~~~~~~~~
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This hook is invoked by linkgit:git-commit[1] right after preparing the
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default log message, and before the editor is started.
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It takes one to three parameters. The first is the name of the file
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that contains the commit log message. The second is the source of the commit
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message, and can be: `message` (if a `-m` or `-F` option was
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given); `template` (if a `-t` option was given or the
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configuration option `commit.template` is set); `merge` (if the
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commit is a merge or a `.git/MERGE_MSG` file exists); `squash`
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(if a `.git/SQUASH_MSG` file exists); or `commit`, followed by
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a commit SHA-1 (if a `-c`, `-C` or `--amend` option was given).
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If the exit status is non-zero, `git commit` will abort.
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The purpose of the hook is to edit the message file in place, and
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it is not suppressed by the `--no-verify` option. A non-zero exit
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means a failure of the hook and aborts the commit. It should not
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be used as replacement for pre-commit hook.
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The sample `prepare-commit-msg` hook that comes with Git removes the
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help message found in the commented portion of the commit template.
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commit-msg
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~~~~~~~~~~
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This hook is invoked by linkgit:git-commit[1] and linkgit:git-merge[1], and can be
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bypassed with the `--no-verify` option. It takes a single parameter,
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the name of the file that holds the proposed commit log message.
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Exiting with a non-zero status causes the command to abort.
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The hook is allowed to edit the message file in place, and can be used
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to normalize the message into some project standard format. It
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can also be used to refuse the commit after inspecting the message
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file.
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The default 'commit-msg' hook, when enabled, detects duplicate
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"Signed-off-by" lines, and aborts the commit if one is found.
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post-commit
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~~~~~~~~~~~
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This hook is invoked by linkgit:git-commit[1]. It takes no parameters, and is
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invoked after a commit is made.
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This hook is meant primarily for notification, and cannot affect
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the outcome of `git commit`.
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pre-rebase
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~~~~~~~~~~
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This hook is called by linkgit:git-rebase[1] and can be used to prevent a
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branch from getting rebased. The hook may be called with one or
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two parameters. The first parameter is the upstream from which
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the series was forked. The second parameter is the branch being
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rebased, and is not set when rebasing the current branch.
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post-checkout
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~~~~~~~~~~~~~
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This hook is invoked when a linkgit:git-checkout[1] or
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linkgit:git-switch[1] is run after having updated the
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worktree. The hook is given three parameters: the ref of the previous HEAD,
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the ref of the new HEAD (which may or may not have changed), and a flag
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indicating whether the checkout was a branch checkout (changing branches,
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flag=1) or a file checkout (retrieving a file from the index, flag=0).
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This hook cannot affect the outcome of `git switch` or `git checkout`.
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It is also run after linkgit:git-clone[1], unless the `--no-checkout` (`-n`) option is
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used. The first parameter given to the hook is the null-ref, the second the
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ref of the new HEAD and the flag is always 1. Likewise for `git worktree add`
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unless `--no-checkout` is used.
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This hook can be used to perform repository validity checks, auto-display
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differences from the previous HEAD if different, or set working dir metadata
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properties.
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post-merge
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~~~~~~~~~~
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This hook is invoked by linkgit:git-merge[1], which happens when a `git pull`
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is done on a local repository. The hook takes a single parameter, a status
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flag specifying whether or not the merge being done was a squash merge.
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This hook cannot affect the outcome of `git merge` and is not executed,
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if the merge failed due to conflicts.
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This hook can be used in conjunction with a corresponding pre-commit hook to
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save and restore any form of metadata associated with the working tree
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(e.g.: permissions/ownership, ACLS, etc). See contrib/hooks/setgitperms.perl
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for an example of how to do this.
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pre-push
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~~~~~~~~
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This hook is called by linkgit:git-push[1] and can be used to prevent
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a push from taking place. The hook is called with two parameters
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which provide the name and location of the destination remote, if a
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named remote is not being used both values will be the same.
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Information about what is to be pushed is provided on the hook's standard
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input with lines of the form:
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<local ref> SP <local sha1> SP <remote ref> SP <remote sha1> LF
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For instance, if the command +git push origin master:foreign+ were run the
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hook would receive a line like the following:
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refs/heads/master 67890 refs/heads/foreign 12345
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although the full, 40-character SHA-1s would be supplied. If the foreign ref
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does not yet exist the `<remote SHA-1>` will be 40 `0`. If a ref is to be
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deleted, the `<local ref>` will be supplied as `(delete)` and the `<local
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SHA-1>` will be 40 `0`. If the local commit was specified by something other
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than a name which could be expanded (such as `HEAD~`, or a SHA-1) it will be
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supplied as it was originally given.
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If this hook exits with a non-zero status, `git push` will abort without
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pushing anything. Information about why the push is rejected may be sent
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to the user by writing to standard error.
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[[pre-receive]]
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pre-receive
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~~~~~~~~~~~
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This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
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`git push` and updates reference(s) in its repository.
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Just before starting to update refs on the remote repository, the
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pre-receive hook is invoked. Its exit status determines the success
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or failure of the update.
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This hook executes once for the receive operation. It takes no
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arguments, but for each ref to be updated it receives on standard
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input a line of the format:
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<old-value> SP <new-value> SP <ref-name> LF
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where `<old-value>` is the old object name stored in the ref,
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`<new-value>` is the new object name to be stored in the ref and
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`<ref-name>` is the full name of the ref.
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When creating a new ref, `<old-value>` is 40 `0`.
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If the hook exits with non-zero status, none of the refs will be
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updated. If the hook exits with zero, updating of individual refs can
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still be prevented by the <<update,'update'>> hook.
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Both standard output and standard error output are forwarded to
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`git send-pack` on the other end, so you can simply `echo` messages
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for the user.
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The number of push options given on the command line of
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`git push --push-option=...` can be read from the environment
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variable `GIT_PUSH_OPTION_COUNT`, and the options themselves are
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found in `GIT_PUSH_OPTION_0`, `GIT_PUSH_OPTION_1`,...
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If it is negotiated to not use the push options phase, the
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environment variables will not be set. If the client selects
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to use push options, but doesn't transmit any, the count variable
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will be set to zero, `GIT_PUSH_OPTION_COUNT=0`.
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See the section on "Quarantine Environment" in
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linkgit:git-receive-pack[1] for some caveats.
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[[update]]
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update
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~~~~~~
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This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
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`git push` and updates reference(s) in its repository.
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Just before updating the ref on the remote repository, the update hook
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is invoked. Its exit status determines the success or failure of
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the ref update.
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The hook executes once for each ref to be updated, and takes
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three parameters:
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- the name of the ref being updated,
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- the old object name stored in the ref,
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- and the new object name to be stored in the ref.
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A zero exit from the update hook allows the ref to be updated.
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Exiting with a non-zero status prevents `git receive-pack`
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from updating that ref.
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This hook can be used to prevent 'forced' update on certain refs by
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making sure that the object name is a commit object that is a
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descendant of the commit object named by the old object name.
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That is, to enforce a "fast-forward only" policy.
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It could also be used to log the old..new status. However, it
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does not know the entire set of branches, so it would end up
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firing one e-mail per ref when used naively, though. The
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<<post-receive,'post-receive'>> hook is more suited to that.
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In an environment that restricts the users' access only to git
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commands over the wire, this hook can be used to implement access
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control without relying on filesystem ownership and group
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membership. See linkgit:git-shell[1] for how you might use the login
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shell to restrict the user's access to only git commands.
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Both standard output and standard error output are forwarded to
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`git send-pack` on the other end, so you can simply `echo` messages
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for the user.
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The default 'update' hook, when enabled--and with
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`hooks.allowunannotated` config option unset or set to false--prevents
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unannotated tags to be pushed.
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[[post-receive]]
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post-receive
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~~~~~~~~~~~~
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This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
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`git push` and updates reference(s) in its repository.
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It executes on the remote repository once after all the refs have
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been updated.
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This hook executes once for the receive operation. It takes no
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arguments, but gets the same information as the
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<<pre-receive,'pre-receive'>>
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hook does on its standard input.
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This hook does not affect the outcome of `git receive-pack`, as it
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is called after the real work is done.
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This supersedes the <<post-update,'post-update'>> hook in that it gets
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both old and new values of all the refs in addition to their
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names.
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Both standard output and standard error output are forwarded to
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`git send-pack` on the other end, so you can simply `echo` messages
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for the user.
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The default 'post-receive' hook is empty, but there is
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a sample script `post-receive-email` provided in the `contrib/hooks`
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directory in Git distribution, which implements sending commit
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emails.
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The number of push options given on the command line of
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`git push --push-option=...` can be read from the environment
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variable `GIT_PUSH_OPTION_COUNT`, and the options themselves are
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found in `GIT_PUSH_OPTION_0`, `GIT_PUSH_OPTION_1`,...
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If it is negotiated to not use the push options phase, the
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environment variables will not be set. If the client selects
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to use push options, but doesn't transmit any, the count variable
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will be set to zero, `GIT_PUSH_OPTION_COUNT=0`.
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[[post-update]]
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post-update
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~~~~~~~~~~~
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This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
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`git push` and updates reference(s) in its repository.
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It executes on the remote repository once after all the refs have
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been updated.
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It takes a variable number of parameters, each of which is the
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name of ref that was actually updated.
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This hook is meant primarily for notification, and cannot affect
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the outcome of `git receive-pack`.
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The 'post-update' hook can tell what are the heads that were pushed,
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but it does not know what their original and updated values are,
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so it is a poor place to do log old..new. The
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<<post-receive,'post-receive'>> hook does get both original and
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updated values of the refs. You might consider it instead if you need
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them.
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When enabled, the default 'post-update' hook runs
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`git update-server-info` to keep the information used by dumb
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transports (e.g., HTTP) up to date. If you are publishing
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a Git repository that is accessible via HTTP, you should
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probably enable this hook.
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Both standard output and standard error output are forwarded to
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`git send-pack` on the other end, so you can simply `echo` messages
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for the user.
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reference-transaction
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~~~~~~~~~~~~~~~~~~~~~
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This hook is invoked by any Git command that performs reference
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updates. It executes whenever a reference transaction is prepared,
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committed or aborted and may thus get called multiple times.
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The hook takes exactly one argument, which is the current state the
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given reference transaction is in:
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- "prepared": All reference updates have been queued to the
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transaction and references were locked on disk.
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- "committed": The reference transaction was committed and all
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references now have their respective new value.
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- "aborted": The reference transaction was aborted, no changes
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were performed and the locks have been released.
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For each reference update that was added to the transaction, the hook
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receives on standard input a line of the format:
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<old-value> SP <new-value> SP <ref-name> LF
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The exit status of the hook is ignored for any state except for the
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"prepared" state. In the "prepared" state, a non-zero exit status will
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cause the transaction to be aborted. The hook will not be called with
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"aborted" state in that case.
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push-to-checkout
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~~~~~~~~~~~~~~~~
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This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
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`git push` and updates reference(s) in its repository, and when
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the push tries to update the branch that is currently checked out
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and the `receive.denyCurrentBranch` configuration variable is set to
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`updateInstead`. Such a push by default is refused if the working
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tree and the index of the remote repository has any difference from
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the currently checked out commit; when both the working tree and the
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index match the current commit, they are updated to match the newly
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pushed tip of the branch. This hook is to be used to override the
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default behaviour.
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The hook receives the commit with which the tip of the current
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branch is going to be updated. It can exit with a non-zero status
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to refuse the push (when it does so, it must not modify the index or
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the working tree). Or it can make any necessary changes to the
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working tree and to the index to bring them to the desired state
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when the tip of the current branch is updated to the new commit, and
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exit with a zero status.
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For example, the hook can simply run `git read-tree -u -m HEAD "$1"`
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in order to emulate `git fetch` that is run in the reverse direction
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with `git push`, as the two-tree form of `git read-tree -u -m` is
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essentially the same as `git switch` or `git checkout`
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that switches branches while
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keeping the local changes in the working tree that do not interfere
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with the difference between the branches.
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pre-auto-gc
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~~~~~~~~~~~
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This hook is invoked by `git gc --auto` (see linkgit:git-gc[1]). It
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takes no parameter, and exiting with non-zero status from this script
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causes the `git gc --auto` to abort.
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post-rewrite
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~~~~~~~~~~~~
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This hook is invoked by commands that rewrite commits
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(linkgit:git-commit[1] when called with `--amend` and
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linkgit:git-rebase[1]; however, full-history (re)writing tools like
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linkgit:git-fast-import[1] or
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https://github.com/newren/git-filter-repo[git-filter-repo] typically
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do not call it!). Its first argument denotes the command it was
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invoked by: currently one of `amend` or `rebase`. Further
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command-dependent arguments may be passed in the future.
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The hook receives a list of the rewritten commits on stdin, in the
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format
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<old-sha1> SP <new-sha1> [ SP <extra-info> ] LF
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The 'extra-info' is again command-dependent. If it is empty, the
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preceding SP is also omitted. Currently, no commands pass any
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'extra-info'.
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The hook always runs after the automatic note copying (see
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"notes.rewrite.<command>" in linkgit:git-config[1]) has happened, and
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thus has access to these notes.
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|
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The following command-specific comments apply:
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|
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rebase::
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For the 'squash' and 'fixup' operation, all commits that were
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squashed are listed as being rewritten to the squashed commit.
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|
This means that there will be several lines sharing the same
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|
'new-sha1'.
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+
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The commits are guaranteed to be listed in the order that they were
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processed by rebase.
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|
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|
sendemail-validate
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|
~~~~~~~~~~~~~~~~~~
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|
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|
This hook is invoked by linkgit:git-send-email[1]. It takes a single parameter,
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|
the name of the file that holds the e-mail to be sent. Exiting with a
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|
non-zero status causes `git send-email` to abort before sending any
|
|
e-mails.
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|
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|
fsmonitor-watchman
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|
~~~~~~~~~~~~~~~~~~
|
|
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|
This hook is invoked when the configuration option `core.fsmonitor` is
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|
set to `.git/hooks/fsmonitor-watchman` or `.git/hooks/fsmonitor-watchmanv2`
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|
depending on the version of the hook to use.
|
|
|
|
Version 1 takes two arguments, a version (1) and the time in elapsed
|
|
nanoseconds since midnight, January 1, 1970.
|
|
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|
Version 2 takes two arguments, a version (2) and a token that is used
|
|
for identifying changes since the token. For watchman this would be
|
|
a clock id. This version must output to stdout the new token followed
|
|
by a NUL before the list of files.
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|
|
|
The hook should output to stdout the list of all files in the working
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|
directory that may have changed since the requested time. The logic
|
|
should be inclusive so that it does not miss any potential changes.
|
|
The paths should be relative to the root of the working directory
|
|
and be separated by a single NUL.
|
|
|
|
It is OK to include files which have not actually changed. All changes
|
|
including newly-created and deleted files should be included. When
|
|
files are renamed, both the old and the new name should be included.
|
|
|
|
Git will limit what files it checks for changes as well as which
|
|
directories are checked for untracked files based on the path names
|
|
given.
|
|
|
|
An optimized way to tell git "all files have changed" is to return
|
|
the filename `/`.
|
|
|
|
The exit status determines whether git will use the data from the
|
|
hook to limit its search. On error, it will fall back to verifying
|
|
all files and folders.
|
|
|
|
p4-changelist
|
|
~~~~~~~~~~~~~
|
|
|
|
This hook is invoked by `git-p4 submit`.
|
|
|
|
The `p4-changelist` hook is executed after the changelist
|
|
message has been edited by the user. It can be bypassed with the
|
|
`--no-verify` option. It takes a single parameter, the name
|
|
of the file that holds the proposed changelist text. Exiting
|
|
with a non-zero status causes the command to abort.
|
|
|
|
The hook is allowed to edit the changelist file and can be used
|
|
to normalize the text into some project standard format. It can
|
|
also be used to refuse the Submit after inspect the message file.
|
|
|
|
Run `git-p4 submit --help` for details.
|
|
|
|
p4-prepare-changelist
|
|
~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
This hook is invoked by `git-p4 submit`.
|
|
|
|
The `p4-prepare-changelist` hook is executed right after preparing
|
|
the default changelist message and before the editor is started.
|
|
It takes one parameter, the name of the file that contains the
|
|
changelist text. Exiting with a non-zero status from the script
|
|
will abort the process.
|
|
|
|
The purpose of the hook is to edit the message file in place,
|
|
and it is not supressed by the `--no-verify` option. This hook
|
|
is called even if `--prepare-p4-only` is set.
|
|
|
|
Run `git-p4 submit --help` for details.
|
|
|
|
p4-post-changelist
|
|
~~~~~~~~~~~~~~~~~~
|
|
|
|
This hook is invoked by `git-p4 submit`.
|
|
|
|
The `p4-post-changelist` hook is invoked after the submit has
|
|
successfully occured in P4. It takes no parameters and is meant
|
|
primarily for notification and cannot affect the outcome of the
|
|
git p4 submit action.
|
|
|
|
Run `git-p4 submit --help` for details.
|
|
|
|
p4-pre-submit
|
|
~~~~~~~~~~~~~
|
|
|
|
This hook is invoked by `git-p4 submit`. It takes no parameters and nothing
|
|
from standard input. Exiting with non-zero status from this script prevent
|
|
`git-p4 submit` from launching. It can be bypassed with the `--no-verify`
|
|
command line option. Run `git-p4 submit --help` for details.
|
|
|
|
|
|
|
|
post-index-change
|
|
~~~~~~~~~~~~~~~~~
|
|
|
|
This hook is invoked when the index is written in read-cache.c
|
|
do_write_locked_index.
|
|
|
|
The first parameter passed to the hook is the indicator for the
|
|
working directory being updated. "1" meaning working directory
|
|
was updated or "0" when the working directory was not updated.
|
|
|
|
The second parameter passed to the hook is the indicator for whether
|
|
or not the index was updated and the skip-worktree bit could have
|
|
changed. "1" meaning skip-worktree bits could have been updated
|
|
and "0" meaning they were not.
|
|
|
|
Only one parameter should be set to "1" when the hook runs. The hook
|
|
running passing "1", "1" should not be possible.
|
|
|
|
GIT
|
|
---
|
|
Part of the linkgit:git[1] suite
|