Re: [RFC/PATCH 1/4] test-lib: add test_dir_is_empty()

> On 03/26/2014 09:29 AM, Jens Lehmann wrote:
>> Am 25.03.2014 21:49, schrieb Junio C Hamano:
>>> Jens Lehmann <Jens.Lehmann@web.de> writes:
>>>>  t/test-lib-functions.sh | 11 +++++++++++
>>>>  1 file changed, 11 insertions(+)
>>>>
>>>> diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
>>>> index 158e10a..93d10cd 100644
>>>> --- a/t/test-lib-functions.sh
>>>> +++ b/t/test-lib-functions.sh
>>>> @@ -489,6 +489,17 @@ test_path_is_dir () {
>>>>  	fi
>>>>  }
>>>>
>>>> +# Check if the directory exists and is empty as expected, barf otherwise.
>>>> +test_dir_is_empty () {
>>>> +	test_path_is_dir "$1" &&
>>>> +	if test $(ls -a1 "$1" | wc -l) != 2
>>>> +	then
>>>> +		echo "Directory '$1' is not empty, it contains:"
>>>> +		ls -la "$1"
>>>> +		return 1
>>>> +	fi
>>>> +}
>>>> +
>>>>  test_path_is_missing () {
>>>>  	if [ -e "$1" ]
>>>>  	then
> 
> Why not do something like
> 
>     test -z "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
> 
> I.e., make the test ignore "." and ".." without depending on their
> existence?