From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 06 Sep 2012 23:08:38 GMT
Subject: Re: [PATCH 5/7] t0000: verify that real_path() works correctly with absolute paths
Message-ID: <7v627q21hl.fsf@alter.siamese.dyndns.org>
In-Reply-To: <1346746470-23127-6-git-send-email-mhagger@alum.mit.edu>

mhagger@alum.mit.edu writes:

> From: Michael Haggerty <mhagger@alum.mit.edu>
>
> There is currently a bug: if passed an absolute top-level path that
> doesn't exist (e.g., "/foo") it incorrectly interprets the path as a
> relative path (e.g., returns "$(pwd)/foo").  So mark the test as
> failing.
>
> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
> ---
>  t/t0000-basic.sh | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
> index 1a51634..ad002ee 100755
> --- a/t/t0000-basic.sh
> +++ b/t/t0000-basic.sh
> @@ -458,7 +458,17 @@ test_expect_success 'real path rejects the empty string' '
>  	test_must_fail test-path-utils real_path ""
>  '
>  
> -test_expect_success SYMLINKS 'real path works as expected' '
> +test_expect_failure 'real path works on absolute paths' '
> +	nopath="hopefully-absent-path" &&
> +	test "/" = "$(test-path-utils real_path "/")" &&
> +	test "/$nopath" = "$(test-path-utils real_path "/$nopath")" &&

You could perhaps do

	sfx=0 &&
        while test -e "/$nopath$sfx"
        do
		sfx=$(( $sfx + 1 ))
	done && nopath=$nopath$sfx &&
	test "/$nopath" = "$(test-path-utils real_path "/$nopath")" &&

if you really cared.