Nguyễn Thái Ngọc Duy  <pclo...@gmail.com> writes:

> When "--" is lacking from the command line and a command can take both
> revs and paths, the idea is if an argument can be seen as both an
> extended SHA-1 and a path, then "--" is required or git refuses to
> continue. It's currently implemented as:
> ...

Hmph, how does this relate to 28fcc0b7 (pathspec: avoid the need of
"--" when wildcard is used, 2015-05-02)?  A follow-up?  "Oops, I did
it wrong"?  something else?

> diff --git a/setup.c b/setup.c
> index 82c0cc2..f7cb93b 100644
> --- a/setup.c
> +++ b/setup.c
> @@ -143,6 +143,8 @@ int check_filename(const char *prefix, const char *arg)
>               name = arg + 2;
>       } else if (!no_wildcard(arg))
>               return 1;
> +     else if (!no_wildcard(arg))
> +             return 1;

Puzzling.  You already checked if arg has an wildcard and returned
with 1 if there is none.  The added check looks like a no-op to me.

> diff --git a/t/t2019-checkout-ambiguous-ref.sh 
> b/t/t2019-checkout-ambiguous-ref.sh
> index b99d519..e5ceba3 100755
> --- a/t/t2019-checkout-ambiguous-ref.sh
> +++ b/t/t2019-checkout-ambiguous-ref.sh
> @@ -56,4 +56,30 @@ test_expect_success VAGUENESS_SUCCESS 'checkout reports 
> switch to branch' '
>       test_i18ngrep ! "^HEAD is now at" stderr
>  '
>  
> +test_expect_success 'wildcard ambiguation' '
> +     git init ambi &&
> +     (
> +             cd ambi &&
> +             echo a >a.c &&
> +             git add a.c &&
> +             echo b >a.c &&
> +             git checkout "*.c" &&
> +             echo a >expect &&
> +             test_cmp expect a.c
> +     )
> +'
> +
> +test_expect_success 'wildcard ambiguation (2)' '
> +     git init ambi2 &&
> +     (
> +             cd ambi2 &&
> +             echo a >"*.c" &&
> +             git add . &&
> +             test_must_fail git show :"*.c" &&
> +             git show :"*.c" -- >actual &&
> +             echo a >expect &&
> +             test_cmp expect actual
> +     )
> +'
> +
>  test_done
--
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