Hi Junio,

On Mon, 6 Feb 2017, Junio C Hamano wrote:

> Johannes Schindelin <johannes.schinde...@gmx.de> writes:
> 
> > [... and he quoted someone ...]
> >
> >> +  # create a ceiling directory to prevent Git from finding a repo
> >> +  mkdir -p not/repo &&
> >> +  ceiling="$PWD/not" &&
> >> +  lines=$(cd not/repo &&
> >> +          GIT_CEILING_DIRECTORIES="$ceiling" git difftool -h |
> >> +          grep ^usage: | wc -l) &&
> >> +  test "$lines" -eq 1 &&
> >
> > Likewise, this would become
> >
> >     GIT_CEILING_DIRECTORIES="$PWD/not" \
> >     test_expect_code 129 git -C not/repo difftool -h >output &&
> >     grep ^usage: output
> 
> I agree with the intent, but the execution here is "Not quite".
> test_expect_code being a shell function, it does not take the
> "one-shot environment assignment for this single invocation," like
> external commands do.

So now that we know what is wrong, can you please enlighten me about what
is right?

Thanks,
Johannes

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