Re: Bug in test-lib.sh: test_create_repo() / RFC

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On Mon, Apr 20, 2009 at 04:51:18PM +0200, Michael J Gruber wrote:

> Problem:
> Since a6d63b7 (test-lib: avoid assuming that templates/ are in the
> GIT_EXEC_PATH, 2009-02-04), test_create_repo() assumes to be called from
> a directory such that `pwd`/../templates/blt/ contains templates for
> git-init.
> 
> Several tests (see below) call test_create_repo() from a different
> directory, which means the repo is created without any of the default
> files (and that a mv .git/hooks .git/hooks-disabled later in the
> function errors out). Now, for most tests this probably doesn't matter
> at all but it's not nice.

If I am understanding it correctly, I think this is simply a bug
introduced by a6d63b7, and the fix is maint-worthy.

And I think the right fix is:

> - Simply use $(TEST_DIRECTORY)/../templates/blt/. Nice and easy. But
> uses the templates from the git repo containing t/ even when testing
> against and installed git (just like now, for most of the tests).

The original code (before a6d63b7) used $(GIT_EXEC_PATH), since it
handily pointed to "$(TEST_DIRECTORY)/.." (and I didn't check, but I
suspect that line predates $(TEST_DIRECTORY) entirely). So I think this
is just doing what the a6d63b7 should have done in the first place,
instead of using `pwd` to guess at the top-level location.

One thing to consider: we now have code to test an installed version of
git. Should it be using the vanilla hooks from the source directory, or
should it be using the regular templates? I think that question is
orthogonal to the bug you mention, though -- the current code is trying
to use the hooks from the source directory, but it is just failing to do
so; by fixing it, you certainly won't be breaking the
test-installed-version case.

-Peff
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