Re: [GSoC] [PATCH 1/1] t0001: replace "test [-d|-f]" with test_path_is_* functions

>
> Taylor Blau <me@ttaylorr.com> writes:
>
> >> -    if test -d "$1" && test -f "$1/config" && test -d "$1/refs"
> >> +    if test_path_is_dir "$1" && test_path_is_file "$1/config" && test_path_is_dir "$1/refs"
> >>      then
> >>              : happy
> >>      else
> >
> > Looks very reasonable to me. Indeed, this line comes from 6adcca3fe8
> > (Fix initialization of a bare repository, 2007-08-27) which predates
> > 2caf20c52b (test-lib: user-friendly alternatives to test [-d|-f|-e],
> > 2010-08-10) when these helpers were originally introduced.
> >
> > I thought that we could probably just shorten this to calling
> > "test_path_is_file" twice: once for "$1/config" and a second time for
> > "$1/refs", but that assumes "$1" is non-empty. And to ensure that you'd
> > need another check, which amounts to the same amount of code overall.
>
> I had the same thought.
>
> Since the first "$GIT_DIR must be a directory" matters only when the
> caller is crazy enough to have a bare repository at the root of the
> filesystem and to think that it is a good idea to say "" is the
> "$GIT_DIR" (in which case, "test -d ''" would fail, even though the
> tests for /config and /refs are checking the right thing), I do not
> see much downside from omitting the first one, but I think that is
> something we need to do _outside_ the topic of this change, which is
> purely "modernize, using the helpers we already have, without
> changing what we do"
>