The question says it all. Is there a way to perform an action before a merge? I'm guessing there's a way to make use of a
You can try using the
prepare-commit-msg hook. The second argument will be
merge "if the commit is a merge or a
.git/MERGE_MSG file exists". A non-zero exist status will abort the commit.
I don't think this will work with a fast-forward merge, since there won't be a commit message.