Git submodule update from post-receive hook

Question

I'm trying to update automatically my submodule located in var/www/php/vendor/projectX at each commit to the var/www super-project. I added these lines in the .git/hooks/post-receive file :

#!/bin/sh echo "Updating submodules recursively" pwd git submodule update --init --recursive

But I get this when I commit to the super-project :

Counting objects: 8, done. Delta compression using up to 8 threads. Compressing objects: 100% (4/4), done. Writing objects: 100% (4/4), 346 bytes | 0 bytes/s, done. Total 4 (delta 3), reused 0 (delta 0) remote: Updating submodules recursively remote: /var/www/.git remote: No submodule mapping found in .gitmodules for path 'php/vendor/projectX' To [email protected]:. 3dc2404..bc46dd6 dev -> dev

The appropriate section is present in the .gitmodules file however, and so are the files in .git/modules. Running git submodule update --init --recursive manually works fine. It's only when run from the hook that it does not work. Thank you

VonC · Accepted Answer · 2014-02-04 07:14:44Z

9

Try and :

cd to the root folder of that repo
specify the work-tree and git directory for that folder when doing the git command.

That would give in your post-receive hook script:

cd /var/www/ git --git-dir=/var/www/.git --work-tree=/var/www submodule update --init --recursive

answered Feb 4, 2014 at 7:14

VonC

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7 Comments

Louis Ameline Over a year ago

Thank you very much, it works like a charm. I spent a lot of time looking for that answer.

Clijsters Over a year ago

Why it is necessary to cd in the folder, if you provide --work-tree?

VonC Over a year ago

@Clijsters 3 and a half years later, I am not too sure. And I would now write it git -C /var/www submodule update --init --recursive But maybe at the time, submodules needed to be used from the root folder only.

Clijsters Over a year ago

Yeah git told me you're right with some kind of error message. Thanks. This answer helped me out. Was just confused about it, as other git statements work out of the universe

Lev Over a year ago

I had the same issue, but -C didn't help. Wired.

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