Re: [PATCH] t5319: don't trip over a user name with whitespace

[Derrick Stolee <stolee@gmail.com>]

On 7/1/2019 8:11 AM, Johannes Schindelin wrote:
> Hi Peff,
> 
> On Sun, 30 Jun 2019, Jeff King wrote:
> 
>> On Sun, Jun 30, 2019 at 10:59:34PM +0200, Johannes Sixt wrote:
>>
>>> Am 30.06.19 um 21:48 schrieb Eric Sunshine:
>>>> On Sun, Jun 30, 2019 at 2:57 PM Johannes Sixt <j6t@kdbg.org> wrote:
>>>>> diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh
>>>>> @@ -443,7 +443,7 @@ test_expect_success 'repack with minimum size does not alter existing packs' '
>>>>> -               MINSIZE=$(ls -l .git/objects/pack/*pack | awk "{print \$5;}" | sort -n | head -n 1) &&
>>>>> +               MINSIZE=$(stat -c %s .git/objects/pack/*pack | sort -n | head -n 1) &&
>>>>
>>>> Unfortunately, this is not portable. While "stat -c %s" works on Linux
>>>> and MSYS2, neither that option nor the format directive are recognized
>>>> on BSD-like platforms (I tested Mac OS and FreeBSD), which instead
>>>> need "stat -f %z".
>>>
>>> Ouch! I did notice that stat(1) is not in POSIX, but hoped that it was
>>> sufficiently portable. I need a new idea...
>>
>> If we are OK relying on rudimentary perl[1], then:
>>
>>   perl -le "print((stat)[7]) for @ARGV"
>>
>> works. If you want it more readable, then maybe:
>>
>>   perl -MFile::stat -le "print stat(\$_)->size for @ARGV"
> 
> Or we stop introducing new Perl calls, and use the perfectly fine
> `test-tool path-utils file-size` command:
> 
> https://github.com/git/git/blob/v2.22.0/t/helper/test-path-utils.c#L302-L312
> 
> This solves not only portability problems but also avoids yet another
> obstacle into making a `NO_PERL` test suite run really work without Perl.
Thanks! This does seem like the best option. Thanks for bringing this to our
attention. Here is a diff, and I'll prepare a full patch:

diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh
index dd6083e61a2..5379e59168a 100755
--- a/t/t5319-multi-pack-index.sh
+++ b/t/t5319-multi-pack-index.sh
@@ -447,7 +447,7 @@ test_expect_success 'repack with minimum size does not alter existing packs' '
                touch -m -t 201901010002 .git/objects/pack/pack-B* &&
                touch -m -t 201901010003 .git/objects/pack/pack-A* &&
                ls .git/objects/pack >expect &&
-               MINSIZE=$(ls -l .git/objects/pack/*pack | awk "{print \$5;}" | sort -n | head -n 1) &&
+               MINSIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | head -n 1) &&
                git multi-pack-index repack --batch-size=$MINSIZE &&
                ls .git/objects/pack >actual &&
                test_cmp expect actual
@@ -459,7 +459,7 @@ test_expect_success 'repack creates a new pack' '
                cd dup &&
                ls .git/objects/pack/*idx >idx-list &&
                test_line_count = 5 idx-list &&
-               THIRD_SMALLEST_SIZE=$(ls -l .git/objects/pack/*pack | awk "{print \$5;}" | sort -n | head -n 3 | tail -n 1) &&
+               THIRD_SMALLEST_SIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | head -n 3 | tail -n 1) &&
                BATCH_SIZE=$(($THIRD_SMALLEST_SIZE + 1)) &&
                git multi-pack-index repack --batch-size=$BATCH_SIZE &&
                ls .git/objects/pack/*idx >idx-list &&

Thanks,
-Stolee