doc: improve formatting in githooks.txt

Typeset commands and similar things with as `git foo` instead of
'git foo' or 'git-foo' and add linkgit to the commands which run
the hooks.

Signed-off-by: Andreas Heiduk <asheiduk@gmail.com>
Reviewed-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Andreas Heiduk 2018-05-03 20:48:24 +02:00 committed by Junio C Hamano
parent 468165c1d8
commit 9dba84d81c

View file

@ -31,7 +31,7 @@ Hooks can get their arguments via the environment, command-line
arguments, and stdin. See the documentation for each hook below for arguments, and stdin. See the documentation for each hook below for
details. details.
'git init' may copy hooks to the new repository, depending on its `git init` may copy hooks to the new repository, depending on its
configuration. See the "TEMPLATE DIRECTORY" section in configuration. See the "TEMPLATE DIRECTORY" section in
linkgit:git-init[1] for details. When the rest of this document refers linkgit:git-init[1] for details. When the rest of this document refers
to "default hooks" it's talking about the default template shipped to "default hooks" it's talking about the default template shipped
@ -45,9 +45,9 @@ HOOKS
applypatch-msg applypatch-msg
~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~
This hook is invoked by 'git am'. It takes a single This hook is invoked by linkgit:git-am[1]. It takes a single
parameter, the name of the file that holds the proposed commit parameter, the name of the file that holds the proposed commit
log message. Exiting with a non-zero status causes 'git am' to abort log message. Exiting with a non-zero status causes `git am` to abort
before applying the patch. before applying the patch.
The hook is allowed to edit the message file in place, and can The hook is allowed to edit the message file in place, and can
@ -61,7 +61,7 @@ The default 'applypatch-msg' hook, when enabled, runs the
pre-applypatch pre-applypatch
~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~
This hook is invoked by 'git am'. It takes no parameter, and is This hook is invoked by linkgit:git-am[1]. It takes no parameter, and is
invoked after the patch is applied, but before a commit is made. invoked after the patch is applied, but before a commit is made.
If it exits with non-zero status, then the working tree will not be If it exits with non-zero status, then the working tree will not be
@ -76,33 +76,33 @@ The default 'pre-applypatch' hook, when enabled, runs the
post-applypatch post-applypatch
~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~
This hook is invoked by 'git am'. It takes no parameter, This hook is invoked by linkgit:git-am[1]. It takes no parameter,
and is invoked after the patch is applied and a commit is made. and is invoked after the patch is applied and a commit is made.
This hook is meant primarily for notification, and cannot affect This hook is meant primarily for notification, and cannot affect
the outcome of 'git am'. the outcome of `git am`.
pre-commit pre-commit
~~~~~~~~~~ ~~~~~~~~~~
This hook is invoked by 'git commit', and can be bypassed This hook is invoked by linkgit:git-commit[1], and can be bypassed
with the `--no-verify` option. It takes no parameters, and is with the `--no-verify` option. It takes no parameters, and is
invoked before obtaining the proposed commit log message and invoked before obtaining the proposed commit log message and
making a commit. Exiting with a non-zero status from this script making a commit. Exiting with a non-zero status from this script
causes the 'git commit' command to abort before creating a commit. causes the `git commit` command to abort before creating a commit.
The default 'pre-commit' hook, when enabled, catches introduction The default 'pre-commit' hook, when enabled, catches introduction
of lines with trailing whitespaces and aborts the commit when of lines with trailing whitespaces and aborts the commit when
such a line is found. such a line is found.
All the 'git commit' hooks are invoked with the environment All the `git commit` hooks are invoked with the environment
variable `GIT_EDITOR=:` if the command will not bring up an editor variable `GIT_EDITOR=:` if the command will not bring up an editor
to modify the commit message. to modify the commit message.
prepare-commit-msg prepare-commit-msg
~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~
This hook is invoked by 'git commit' right after preparing the This hook is invoked by linkgit:git-commit[1] right after preparing the
default log message, and before the editor is started. default log message, and before the editor is started.
It takes one to three parameters. The first is the name of the file It takes one to three parameters. The first is the name of the file
@ -114,7 +114,7 @@ commit is a merge or a `.git/MERGE_MSG` file exists); `squash`
(if a `.git/SQUASH_MSG` file exists); or `commit`, followed by (if a `.git/SQUASH_MSG` file exists); or `commit`, followed by
a commit SHA-1 (if a `-c`, `-C` or `--amend` option was given). a commit SHA-1 (if a `-c`, `-C` or `--amend` option was given).
If the exit status is non-zero, 'git commit' will abort. If the exit status is non-zero, `git commit` will abort.
The purpose of the hook is to edit the message file in place, and The purpose of the hook is to edit the message file in place, and
it is not suppressed by the `--no-verify` option. A non-zero exit it is not suppressed by the `--no-verify` option. A non-zero exit
@ -127,7 +127,7 @@ help message found in the commented portion of the commit template.
commit-msg commit-msg
~~~~~~~~~~ ~~~~~~~~~~
This hook is invoked by 'git commit' and 'git merge', and can be This hook is invoked by linkgit:git-commit[1] and linkgit:git-merge[1], and can be
bypassed with the `--no-verify` option. It takes a single parameter, bypassed with the `--no-verify` option. It takes a single parameter,
the name of the file that holds the proposed commit log message. the name of the file that holds the proposed commit log message.
Exiting with a non-zero status causes the command to abort. Exiting with a non-zero status causes the command to abort.
@ -143,16 +143,16 @@ The default 'commit-msg' hook, when enabled, detects duplicate
post-commit post-commit
~~~~~~~~~~~ ~~~~~~~~~~~
This hook is invoked by 'git commit'. It takes no parameters, and is This hook is invoked by linkgit:git-commit[1]. It takes no parameters, and is
invoked after a commit is made. invoked after a commit is made.
This hook is meant primarily for notification, and cannot affect This hook is meant primarily for notification, and cannot affect
the outcome of 'git commit'. the outcome of `git commit`.
pre-rebase pre-rebase
~~~~~~~~~~ ~~~~~~~~~~
This hook is called by 'git rebase' and can be used to prevent a This hook is called by linkgit:git-rebase[1] and can be used to prevent a
branch from getting rebased. The hook may be called with one or branch from getting rebased. The hook may be called with one or
two parameters. The first parameter is the upstream from which two parameters. The first parameter is the upstream from which
the series was forked. The second parameter is the branch being the series was forked. The second parameter is the branch being
@ -161,17 +161,17 @@ rebased, and is not set when rebasing the current branch.
post-checkout post-checkout
~~~~~~~~~~~~~ ~~~~~~~~~~~~~
This hook is invoked when a 'git checkout' is run after having updated the This hook is invoked when a linkgit:git-checkout[1] is run after having updated the
worktree. The hook is given three parameters: the ref of the previous HEAD, worktree. The hook is given three parameters: the ref of the previous HEAD,
the ref of the new HEAD (which may or may not have changed), and a flag the ref of the new HEAD (which may or may not have changed), and a flag
indicating whether the checkout was a branch checkout (changing branches, indicating whether the checkout was a branch checkout (changing branches,
flag=1) or a file checkout (retrieving a file from the index, flag=0). flag=1) or a file checkout (retrieving a file from the index, flag=0).
This hook cannot affect the outcome of 'git checkout'. This hook cannot affect the outcome of `git checkout`.
It is also run after 'git clone', unless the --no-checkout (-n) option is It is also run after linkgit:git-clone[1], unless the `--no-checkout` (`-n`) option is
used. The first parameter given to the hook is the null-ref, the second the used. The first parameter given to the hook is the null-ref, the second the
ref of the new HEAD and the flag is always 1. Likewise for 'git worktree add' ref of the new HEAD and the flag is always 1. Likewise for `git worktree add`
unless --no-checkout is used. unless `--no-checkout` is used.
This hook can be used to perform repository validity checks, auto-display This hook can be used to perform repository validity checks, auto-display
differences from the previous HEAD if different, or set working dir metadata differences from the previous HEAD if different, or set working dir metadata
@ -180,10 +180,10 @@ properties.
post-merge post-merge
~~~~~~~~~~ ~~~~~~~~~~
This hook is invoked by 'git merge', which happens when a 'git pull' This hook is invoked by linkgit:git-merge[1], which happens when a `git pull`
is done on a local repository. The hook takes a single parameter, a status is done on a local repository. The hook takes a single parameter, a status
flag specifying whether or not the merge being done was a squash merge. flag specifying whether or not the merge being done was a squash merge.
This hook cannot affect the outcome of 'git merge' and is not executed, This hook cannot affect the outcome of `git merge` and is not executed,
if the merge failed due to conflicts. if the merge failed due to conflicts.
This hook can be used in conjunction with a corresponding pre-commit hook to This hook can be used in conjunction with a corresponding pre-commit hook to
@ -194,10 +194,10 @@ for an example of how to do this.
pre-push pre-push
~~~~~~~~ ~~~~~~~~
This hook is called by 'git push' and can be used to prevent a push from taking This hook is called by linkgit:git-push[1] and can be used to prevent
place. The hook is called with two parameters which provide the name and a push from taking place. The hook is called with two parameters
location of the destination remote, if a named remote is not being used both which provide the name and location of the destination remote, if a
values will be the same. named remote is not being used both values will be the same.
Information about what is to be pushed is provided on the hook's standard Information about what is to be pushed is provided on the hook's standard
input with lines of the form: input with lines of the form:
@ -216,7 +216,7 @@ SHA-1>` will be 40 `0`. If the local commit was specified by something other
than a name which could be expanded (such as `HEAD~`, or a SHA-1) it will be than a name which could be expanded (such as `HEAD~`, or a SHA-1) it will be
supplied as it was originally given. supplied as it was originally given.
If this hook exits with a non-zero status, 'git push' will abort without If this hook exits with a non-zero status, `git push` will abort without
pushing anything. Information about why the push is rejected may be sent pushing anything. Information about why the push is rejected may be sent
to the user by writing to standard error. to the user by writing to standard error.
@ -224,8 +224,8 @@ to the user by writing to standard error.
pre-receive pre-receive
~~~~~~~~~~~ ~~~~~~~~~~~
This hook is invoked by 'git-receive-pack' when it reacts to This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
'git push' and updates reference(s) in its repository. `git push` and updates reference(s) in its repository.
Just before starting to update refs on the remote repository, the Just before starting to update refs on the remote repository, the
pre-receive hook is invoked. Its exit status determines the success pre-receive hook is invoked. Its exit status determines the success
or failure of the update. or failure of the update.
@ -246,7 +246,7 @@ updated. If the hook exits with zero, updating of individual refs can
still be prevented by the <<update,'update'>> hook. still be prevented by the <<update,'update'>> hook.
Both standard output and standard error output are forwarded to Both standard output and standard error output are forwarded to
'git send-pack' on the other end, so you can simply `echo` messages `git send-pack` on the other end, so you can simply `echo` messages
for the user. for the user.
The number of push options given on the command line of The number of push options given on the command line of
@ -265,8 +265,8 @@ linkgit:git-receive-pack[1] for some caveats.
update update
~~~~~~ ~~~~~~
This hook is invoked by 'git-receive-pack' when it reacts to This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
'git push' and updates reference(s) in its repository. `git push` and updates reference(s) in its repository.
Just before updating the ref on the remote repository, the update hook Just before updating the ref on the remote repository, the update hook
is invoked. Its exit status determines the success or failure of is invoked. Its exit status determines the success or failure of
the ref update. the ref update.
@ -279,7 +279,7 @@ three parameters:
- and the new object name to be stored in the ref. - and the new object name to be stored in the ref.
A zero exit from the update hook allows the ref to be updated. A zero exit from the update hook allows the ref to be updated.
Exiting with a non-zero status prevents 'git-receive-pack' Exiting with a non-zero status prevents `git receive-pack`
from updating that ref. from updating that ref.
This hook can be used to prevent 'forced' update on certain refs by This hook can be used to prevent 'forced' update on certain refs by
@ -299,7 +299,7 @@ membership. See linkgit:git-shell[1] for how you might use the login
shell to restrict the user's access to only git commands. shell to restrict the user's access to only git commands.
Both standard output and standard error output are forwarded to Both standard output and standard error output are forwarded to
'git send-pack' on the other end, so you can simply `echo` messages `git send-pack` on the other end, so you can simply `echo` messages
for the user. for the user.
The default 'update' hook, when enabled--and with The default 'update' hook, when enabled--and with
@ -310,8 +310,8 @@ unannotated tags to be pushed.
post-receive post-receive
~~~~~~~~~~~~ ~~~~~~~~~~~~
This hook is invoked by 'git-receive-pack' when it reacts to This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
'git push' and updates reference(s) in its repository. `git push` and updates reference(s) in its repository.
It executes on the remote repository once after all the refs have It executes on the remote repository once after all the refs have
been updated. been updated.
@ -320,7 +320,7 @@ arguments, but gets the same information as the
<<pre-receive,'pre-receive'>> <<pre-receive,'pre-receive'>>
hook does on its standard input. hook does on its standard input.
This hook does not affect the outcome of 'git-receive-pack', as it This hook does not affect the outcome of `git receive-pack`, as it
is called after the real work is done. is called after the real work is done.
This supersedes the <<post-update,'post-update'>> hook in that it gets This supersedes the <<post-update,'post-update'>> hook in that it gets
@ -328,7 +328,7 @@ both old and new values of all the refs in addition to their
names. names.
Both standard output and standard error output are forwarded to Both standard output and standard error output are forwarded to
'git send-pack' on the other end, so you can simply `echo` messages `git send-pack` on the other end, so you can simply `echo` messages
for the user. for the user.
The default 'post-receive' hook is empty, but there is The default 'post-receive' hook is empty, but there is
@ -349,8 +349,8 @@ will be set to zero, `GIT_PUSH_OPTION_COUNT=0`.
post-update post-update
~~~~~~~~~~~ ~~~~~~~~~~~
This hook is invoked by 'git-receive-pack' when it reacts to This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
'git push' and updates reference(s) in its repository. `git push` and updates reference(s) in its repository.
It executes on the remote repository once after all the refs have It executes on the remote repository once after all the refs have
been updated. been updated.
@ -358,7 +358,7 @@ It takes a variable number of parameters, each of which is the
name of ref that was actually updated. name of ref that was actually updated.
This hook is meant primarily for notification, and cannot affect This hook is meant primarily for notification, and cannot affect
the outcome of 'git-receive-pack'. the outcome of `git receive-pack`.
The 'post-update' hook can tell what are the heads that were pushed, The 'post-update' hook can tell what are the heads that were pushed,
but it does not know what their original and updated values are, but it does not know what their original and updated values are,
@ -368,20 +368,20 @@ updated values of the refs. You might consider it instead if you need
them. them.
When enabled, the default 'post-update' hook runs When enabled, the default 'post-update' hook runs
'git update-server-info' to keep the information used by dumb `git update-server-info` to keep the information used by dumb
transports (e.g., HTTP) up to date. If you are publishing transports (e.g., HTTP) up to date. If you are publishing
a Git repository that is accessible via HTTP, you should a Git repository that is accessible via HTTP, you should
probably enable this hook. probably enable this hook.
Both standard output and standard error output are forwarded to Both standard output and standard error output are forwarded to
'git send-pack' on the other end, so you can simply `echo` messages `git send-pack` on the other end, so you can simply `echo` messages
for the user. for the user.
push-to-checkout push-to-checkout
~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~
This hook is invoked by 'git-receive-pack' when it reacts to This hook is invoked by linkgit:git-receive-pack[1] when it reacts to
'git push' and updates reference(s) in its repository, and when `git push` and updates reference(s) in its repository, and when
the push tries to update the branch that is currently checked out the push tries to update the branch that is currently checked out
and the `receive.denyCurrentBranch` configuration variable is set to and the `receive.denyCurrentBranch` configuration variable is set to
`updateInstead`. Such a push by default is refused if the working `updateInstead`. Such a push by default is refused if the working
@ -400,8 +400,8 @@ when the tip of the current branch is updated to the new commit, and
exit with a zero status. exit with a zero status.
For example, the hook can simply run `git read-tree -u -m HEAD "$1"` For example, the hook can simply run `git read-tree -u -m HEAD "$1"`
in order to emulate 'git fetch' that is run in the reverse direction in order to emulate `git fetch` that is run in the reverse direction
with `git push`, as the two-tree form of `read-tree -u -m` is with `git push`, as the two-tree form of `git read-tree -u -m` is
essentially the same as `git checkout` that switches branches while essentially the same as `git checkout` that switches branches while
keeping the local changes in the working tree that do not interfere keeping the local changes in the working tree that do not interfere
with the difference between the branches. with the difference between the branches.
@ -410,15 +410,16 @@ with the difference between the branches.
pre-auto-gc pre-auto-gc
~~~~~~~~~~~ ~~~~~~~~~~~
This hook is invoked by 'git gc --auto'. It takes no parameter, and This hook is invoked by `git gc --auto` (see linkgit:git-gc[1]). It
exiting with non-zero status from this script causes the 'git gc --auto' takes no parameter, and exiting with non-zero status from this script
to abort. causes the `git gc --auto` to abort.
post-rewrite post-rewrite
~~~~~~~~~~~~ ~~~~~~~~~~~~
This hook is invoked by commands that rewrite commits (`git commit This hook is invoked by commands that rewrite commits
--amend`, 'git-rebase'; currently 'git-filter-branch' does 'not' call (linkgit:git-commit[1] when called with `--amend` and
linkgit:git-rebase[1]; currently `git filter-branch` does 'not' call
it!). Its first argument denotes the command it was invoked by: it!). Its first argument denotes the command it was invoked by:
currently one of `amend` or `rebase`. Further command-dependent currently one of `amend` or `rebase`. Further command-dependent
arguments may be passed in the future. arguments may be passed in the future.
@ -450,16 +451,16 @@ processed by rebase.
sendemail-validate sendemail-validate
~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~
This hook is invoked by 'git send-email'. It takes a single parameter, This hook is invoked by linkgit:git-send-email[1]. It takes a single parameter,
the name of the file that holds the e-mail to be sent. Exiting with a the name of the file that holds the e-mail to be sent. Exiting with a
non-zero status causes 'git send-email' to abort before sending any non-zero status causes `git send-email` to abort before sending any
e-mails. e-mails.
fsmonitor-watchman fsmonitor-watchman
~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~
This hook is invoked when the configuration option core.fsmonitor is This hook is invoked when the configuration option `core.fsmonitor` is
set to .git/hooks/fsmonitor-watchman. It takes two arguments, a version set to `.git/hooks/fsmonitor-watchman`. It takes two arguments, a version
(currently 1) and the time in elapsed nanoseconds since midnight, (currently 1) and the time in elapsed nanoseconds since midnight,
January 1, 1970. January 1, 1970.
@ -478,7 +479,7 @@ directories are checked for untracked files based on the path names
given. given.
An optimized way to tell git "all files have changed" is to return An optimized way to tell git "all files have changed" is to return
the filename '/'. the filename `/`.
The exit status determines whether git will use the data from the 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 hook to limit its search. On error, it will fall back to verifying