Re: [PATCHv3] checkout: do not mention detach advice for explicit --detach option

[Jeff King <peff@peff.net>]

On Fri, Aug 12, 2016 at 08:37:44AM -0700, Stefan Beller wrote:

> > Is there a reason for not unsetting `advice.detachedHead` at the
> > end of the test?
> 
> done
> 
> I did not consider to clean up after myself... what a selfish world!

The right way to do it is:

  test_config advice.detachedHead false &&
  ...

so that the cleanup runs whether or not you may it to the end of the
script.

> +test_expect_success 'no advice given for explicit detached head state' '
> +	git config advice.detachedHead false &&
> +	git checkout child &&
> +	git checkout --detach HEAD >expect &&
> +	git config advice.detachedHead true &&
> +	git checkout child &&
> +	git checkout --detach HEAD >actual &&
> +	test_cmp expect actual &&
> +	git checkout child &&
> +	git checkout HEAD >actual &&
> +	! test_cmp expect actual &&
> +	git config --unset advice.detachedHead
> +'

Hmm. Using "!test_cmp" seems weird to me, just because it would falsely
claim success if something else unexpected changes. Our usual method for
making sure some particular output does not appear is "test_i18ngrep"
with a liberal pattern.

-Peff