Re: [PATCH v2] switch: mention the --detach option when dying due to lack of a branch

[Alex Henrie <alexhenrie24@gmail.com>]

On Fri, Feb 25, 2022 at 4:57 AM Ævar Arnfjörð Bjarmason
<avarab@gmail.com> wrote:
>
> On Thu, Feb 24 2022, Junio C Hamano wrote:
>
> > Alex Henrie <alexhenrie24@gmail.com> writes:
> >> diff --git a/t/t2060-switch.sh b/t/t2060-switch.sh
> >> index ebb961be29..f54691bac9 100755
> >> --- a/t/t2060-switch.sh
> >> +++ b/t/t2060-switch.sh
> >> @@ -32,6 +32,17 @@ test_expect_success 'switch and detach' '
> >>      test_must_fail git symbolic-ref HEAD
> >>  '
> >>
> >> +test_expect_success 'suggestion to detach' '
> >> +    test_must_fail git switch main^{commit} 2>stderr &&
> >> +    test_i18ngrep "try again with the --detach option" stderr
> >> +'
> >> +
> >> +test_expect_success 'suggestion to detach is suppressed with advice.suggestDetachingHead=false' '
> >> +    test_config advice.suggestDetachingHead false &&
> >> +    test_must_fail git switch main^{commit} 2>stderr &&
> >> +    test_i18ngrep ! "try again with the --detach option" stderr
> >> +'
> >
> > OK, we try to be consistent with other tests in the file, and leave
> > s/test_i18n// to a file-wide clean-up outside the topic.
>
> FWIW that's not the case here. This is the first use of test_i18ngrep in
> this file.
>
> But better to use test_cmp as noted in
> <220224.86sfs8abj6.gmgdl@evledraar.gmail.com> in the sid-thread.

Why is test_cmp preferable to grep in tests like this?

-Alex