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git/Documentation/git-receive-pack.txt

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git-receive-pack(1)
===================
v0.1, July 2005
NAME
----
git-receive-pack - Receive what is pushed into it
SYNOPSIS
--------
'git-receive-pack' <directory>
DESCRIPTION
-----------
Invoked by 'git-send-pack' and updates the repository with the
information fed from the remote end.
This command is usually not invoked directly by the end user.
The UI for the protocol is on the 'git-send-pack' side, and the
program pair is meant to be used to push updates to remote
repository. For pull operations, see 'git-fetch-pack' and
'git-clone-pack'.
The command allows for creation and fast forwarding of sha1 refs
(heads/tags) on the remote end (strictly speaking, it is the
local end receive-pack runs, but to the user who is sitting at
the send-pack end, it is updating the remote. Confused?)
Before each ref is updated, if $GIT_DIR/hooks/update file exists
and executable, it is called with three parameters:
$GIT_DIR/hooks/update refname sha1-old sha1-new
The refname parameter is relative to $GIT_DIR; e.g. for the
master head this is "refs/heads/master". Two sha1 are the
object names for the refname before and after the update. Note
that the hook is called before the refname is updated, so either
sha1-old is 0{40} (meaning there is no such ref yet), or it
should match what is recorded in refname.
The hook should exit with non-zero status if it wants to
disallow updating the named ref. Otherwise it should exit with
zero.
The same hook is also called with an empty string as refname and
no other arguments just before git-receive-pack exits. This can
be used to implement repository wide cleanup task if needed.
The exit code from this hook invocation is ignored; the only
thing left for git-receive-pack to do at that point is to exit
itself anyway.
Using this hook, it is easy to generate mails on updates to
the local repository. This example script sends a mail with
the commits pushed to the repository:
#!/bin/sh
case "$#,$1" in
1,) # help packed repository pulled via dumb protocol.
git-update-server-info
;;
*) # mail out commit update information.
if expr "$2" : '0*$' >/dev/null
then
echo "Created now ref."
git-rev-list --pretty "$2"
else
echo "New commits"
git-rev-list --pretty "$3" "^$2"
fi |
mail -s "Changes to ref $1" commit-list@mydomain
esac
exit 0
OPTIONS
-------
<directory>::
The repository to sync into.
Author
------
Written by Linus Torvalds <torvalds@osdl.org>
Documentation
--------------
Documentation by Junio C Hamano.
GIT
---
Part of the link:git.html[git] suite