Re: [PATCH v2] pack-objects: use streaming interface for reading large loose blobs

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On Tue, May 15, 2012 at 2:43 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Nguyễn Thái Ngọc Duy  <pclouds@xxxxxxxxx> writes:
>
>> git usually streams large blobs directly to packs. But there are cases
>> diff --git a/t/t1050-large.sh b/t/t1050-large.sh
>> index 55ed955..7fbd2e1 100755
>> --- a/t/t1050-large.sh
>> +++ b/t/t1050-large.sh
>> @@ -134,6 +134,22 @@ test_expect_success 'repack' '
>>       git repack -ad
>>  '
>>
>> +test_expect_success 'pack-objects with large loose object' '
>> +     echo Z | dd of=large4 bs=1k seek=2000 &&
>> +     OBJ=9f36d94e145816ec642592c09cc8e601d83af157 &&
>> +     P=.git/objects/9f/36d94e145816ec642592c09cc8e601d83af157 &&
>
> I do not think you need these hardcoded constants; you will run
> hash-object later, no?
>
> Also, relying on $P to exist after hash-object -w returns is somewhat
> flaky, no?

I need it to be a loose object to test this code path. Maybe this instead?

test_expect_success 'pack-objects with large loose object' '
	SHA1=`git hash-object huge` &&
	test_create_repo loose &&
	echo $SHA1 | git pack-objects --stdout |
		GIT_ALLOC_LIMIT=0 GIT_DIR=loose/.git git unpack-objects &&
	echo $SHA1 | GIT_DIR=loose/.git git pack-objects pack  &&
	test_create_repo packed &&
	mv pack-* packed/.git/objects/pack &&
	GIT_DIR=packed/.git git cat-file blob $SHA1 >actual &&
	cmp huge actual
'

>> +     rm $P &&
>> +     git cat-file blob $OBJ >actual &&
>> +     cmp large4 actual
>> +'
>
> In any case, the patch when applied on top of cd07cc5 (Update draft
> release notes to 1.7.11 (11th batch), 2012-05-11) does not pass this part
> of the test on my box.

Interesting. It passes for me (same base). I assume rm failed?
-- 
Duy
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