On 28/04/2014 07:45, Christian Couder wrote:
Yes, it's possible. Yesterday, I sent the following patch:

[RFC/PATCH 2/2] trailer: add examples to the documentation

and it shows a commit-msg hook to do something like that:

$ cat>.git/hooks/commit-msg<<EOF
git interpret-trailers --trim-empty --trailer "git-version: \$(git describe)" "\$1">  
mv "\$1.new" "\$1"
$ chmod +x .git/hooks/commit-msg

I think you just need to use the following if you want the branch
instead of the git version:

git interpret-trailers --trim-empty --trailer "git-branch: \$(git name-rev --name-only HEAD)" 
"\$1">  "\$1.new"

It could even be simpler if there was an option (which has already
been discussed) that made it possible to modify the file in
place. This way one would not need the 'mv "\$1.new" "\$1"' command.


This is certainly going in the right direction, but it's still implemented as a hook on a per-repo basis. Do you foresee a point in the future where these trailers could be added through simple one-liners in someone's global .gitconfig file? That's where I'd really like to get to.

Best regards,
Jeremy Morton (Jez)
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