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Date: Sun, 28 Dec 2014 19:42:06 +0100
From: Quentin Pradet <quentin@pradet.me>
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To: zsh-workers <zsh-workers@zsh.org>
Subject: vcs_info: an variable for the .git directory in hooks
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vcs_info exposes the `base` variable in `hook_com` to get to the base 
directory of a repository. For git, the only use I know is to get to the 
.git directory in order to retrieve something there. For example, this 
hook <http://eseth.org/2010/git-in-zsh.html#show-stashed-changes> looks 
up $base/.git/refs/stash to see if there are any stashed changes.

However, that's a bad idea, because it won't work in eg. submodules, 
where the real .git folder is in .git/modules/path/to/module/. The 
correct solution is to use `git rev-parse --git-dir` which will do the 
right thing. Would that make sense to expose the result of that command 
in a `miscN` variable?

Quentin

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