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Re: git push in a git-init without --bare option?

From
Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Date
Jun 26, 2011, 18:17 UTC
Message-ID
<vpqliwoa24m.fsf@bauges.imag.fr>
In-Reply-To
<201106261142.28142.psdc1978@gmail.com>
Pedro Sa Costa <psdc1978@gmail.com> writes:
Show 5 quoted lines
> - I see that in git, I can't do git-push to a repository that wasn't created 
> with git-init --bare. Why?
>
> - But doing git-pull and git-checkout to the same repository is possible. I'm 
> really confused. Any help?

git pull involves a merge, and merge may involve conflicts, and conflicts involve a user fixing them ... So, doing a "git pull" to merge in remote changes is OK, but a "git push" cannot merge changes remotely, hence the asymetry.

Git could just send the commits, without updating the working tree, but that would be terrible for the user. Let's say the user has no local change before the push. His checkout points to the tip of a branch (information stored in HEAD), so the tree matches the old HEAD. Updating the branch means changing the commit pointed to by HEAD, hence after a push, the tree does not match the HEAD anymore (which means the next commit will seem to revert the pushed history). This is to prevent this situation that Git refuses to push to non-bare repos.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/
Previous: Elia PintoNext: Pedro Sa Costa
Message 3 of 5 in “git push in a git-init without --bare option?”
  1. Pedro Sa CostaJun 26, 2011
  2. Elia PintoJun 26, 2011
  3. Matthieu MoyJun 26, 2011
  4. Pedro Sa CostaJun 26, 2011
  5. Christof KrügerJun 26, 2011

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