Re: [PATCH v3] iotests: Drop readlink -f

[Thomas Huth]

On 14/09/2020 16.56, Max Reitz wrote:
> On macOS, (out of the box) readlink does not have -f.  We do not really
> need readlink here, though, it was just a replacement for realpath
> (which is not available on our BSD test systems), which we needed to
> make the $(dirname) into an absolute path.
> 
> Instead of using either, just use "cd; pwd" like is done for
> $source_iotests.
> 
> Fixes: b1cbc33a3971b6bb005d5ac3569feae35a71de0f
>        ("iotests: Allow running from different directory")
> Suggested-by: Peter Maydell <peter.maydell@linaro.org>
> Reported-by: Claudio Fontana <cfontana@suse.de>
> Reported-by: Thomas Huth <thuth@redhat.com>
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
>  tests/qemu-iotests/check | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tests/qemu-iotests/check b/tests/qemu-iotests/check
> index e14a1f354d..678b6e4910 100755
> --- a/tests/qemu-iotests/check
> +++ b/tests/qemu-iotests/check
> @@ -44,7 +44,7 @@ then
>          _init_error "failed to obtain source tree name from check symlink"
>      fi
>      source_iotests=$(cd "$source_iotests"; pwd) || _init_error "failed to 
> enter source tree"
> -    build_iotests=$(readlink -f $(dirname "$0"))
> +    build_iotests=$(cd "$(dirname "$0")"; pwd)

I assume the nested quotes are ok here? ... shell scripts always confuse
me in that regard...

 Thomas