I have a problem with git clone commands using alternates failing by
mixing up different repositories. I have a situation where I could end
up with both:
/srv/mirrors/repo
/srv/mirrors/repo.git
as bare clones.
I then try cloning "repo" with alternates with the command:
$ git clone -s -n /srv/mirrors/repo /tmp/foo
Cloning into /tmp/foo...
done.
$ cat /tmp/foo/.git/objects/info/alternates
/srv/mirrors/repo.git/objects
Note how I'm now referencing repo.git, not repo. This doesn't work as
expected giving some very bizarre results when actually using the
repository.
I appreciate this is a rather bizarre corner case but its one that is
breaking the build system I work with. Ideally people would use a
consistent URL for the same repository but we have an example where they
haven't and this really shouldn't break like this.
Looking at the code, the cause seems to be
clone.c:get_repo_path():
static char *suffix[] = { "/.git", ".git", "" };
since its looking in order for:
repo/.git (fails)
repo.git (suceeds, incorrect)
repo (never looked at)
I'm not sure what would break if that order were to change, swapping the
last two options.
I can "force" the issue by running:
git clone -s -n /srv/mirrors/repo/ /tmp/foo
but this results in the slightly odd looking:
$ cat /tmp/foo/.git/objects/info/alternates
/srv/mirrors/repo//objects
which does at least work.
Any idea if its possible to fix the root cause of this problem?
Cheers,
Richard
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