* How does receive-pack and pre-receive hook works ?
@ 2010-06-27 2:24 Mahesh Vaidya
2010-06-27 7:00 ` Shawn Pearce
0 siblings, 1 reply; 2+ messages in thread
From: Mahesh Vaidya @ 2010-06-27 2:24 UTC (permalink / raw)
To: git
How does receive-pack and pre-receive hook works ?
I have added following in pre-recieve hook; all works fine. git
rev-list --pretty d6d147f432869037a7ac8bdca3a2d5bc0cdc1e9f
^a3fe19833480023b72350d6e56e939cbd0ba2c8b
I Would like know where does Git saves whatever I am pushing before
exit 0 of this hook; Specifically how does it understand about
'd6d147f432869037a7ac8bdca3a2d5bc0cdc1e9f' which is not part of
destination depot / repo.
Thx/ Mahesh.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: How does receive-pack and pre-receive hook works ?
2010-06-27 2:24 How does receive-pack and pre-receive hook works ? Mahesh Vaidya
@ 2010-06-27 7:00 ` Shawn Pearce
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Pearce @ 2010-06-27 7:00 UTC (permalink / raw)
To: Mahesh Vaidya; +Cc: git
On Sat, Jun 26, 2010 at 7:24 PM, Mahesh Vaidya <forvaidya@gmail.com> wrote:
> How does receive-pack and pre-receive hook works ?
>
> I Would like know where does Git saves whatever I am pushing before
> exit 0 of this hook; Specifically how does it understand about
> 'd6d147f432869037a7ac8bdca3a2d5bc0cdc1e9f' which is not part of
> destination depot / repo.
The objects that were sent are actually added to the destination
repository, by creating one or more loose objects in the objects/
directory, or a single new pack file in the objects/pack/ directory if
more than 100 objects were sent. These objects are in the repository,
but they aren't actually reachable from any ref, so they are subject
to garbage collection during a future `git gc`. Once the objects are
safely stored, the hooks are invoked... which means the hooks can
access the objects, as they are already part of the repository.
If pre-receive or update exits with a non-zero status, the objects
stay around, but the references aren't updated. By not updating the
references, the objects aren't reachable, and the objects will be
automatically removed during a future `git gc`.
--
Shawn.
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2010-06-27 2:24 How does receive-pack and pre-receive hook works ? Mahesh Vaidya
2010-06-27 7:00 ` Shawn Pearce
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