[thirdparty/git.git] / t / t5300-pack-object.sh

#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#

test_description='git pack-object

'
. ./test-lib.sh

TRASH=`pwd`

test_expect_success \
    'setup' \
    'rm -f .git/index*
     perl -e "print \"a\" x 4096;" > a &&
     perl -e "print \"b\" x 4096;" > b &&
     perl -e "print \"c\" x 4096;" > c &&
     git update-index --add a b c &&
     cat c >d && echo foo >>d && git update-index --add d &&
     tree=`git write-tree` &&
     commit=`git commit-tree $tree </dev/null` && {
	 echo $tree &&
	 echo $commit &&
	 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\)	.*/\\1/"
     } >obj-list && {
	 git diff-tree --root -p $commit &&
	 while read object
	 do
	    t=`git cat-file -t $object` &&
	    git cat-file $t $object || return 1
	 done <obj-list
     } >expect'

test_expect_success \
    'pack without delta' \
    'packname_1=$(git pack-objects --window=0 test-1 <obj-list)'

rm -fr .git2
mkdir .git2

test_expect_success \
    'unpack without delta' \
    "GIT_OBJECT_DIRECTORY=.git2/objects &&
     export GIT_OBJECT_DIRECTORY &&
     git init &&
     git unpack-objects -n <test-1-${packname_1}.pack &&
     git unpack-objects <test-1-${packname_1}.pack"

unset GIT_OBJECT_DIRECTORY
cd "$TRASH/.git2"

test_expect_success \
    'check unpack without delta' \
    '(cd ../.git && find objects -type f -print) |
     while read path
     do
         cmp $path ../.git/$path || {
	     echo $path differs.
	     return 1
	 }
     done'
cd "$TRASH"

test_expect_success \
    'pack with REF_DELTA' \
    'pwd &&
     packname_2=$(git pack-objects test-2 <obj-list)'

rm -fr .git2
mkdir .git2

test_expect_success \
    'unpack with REF_DELTA' \
    'GIT_OBJECT_DIRECTORY=.git2/objects &&
     export GIT_OBJECT_DIRECTORY &&
     git init &&
     git unpack-objects -n <test-2-${packname_2}.pack &&
     git unpack-objects <test-2-${packname_2}.pack'

unset GIT_OBJECT_DIRECTORY
cd "$TRASH/.git2"
test_expect_success \
    'check unpack with REF_DELTA' \
    '(cd ../.git && find objects -type f -print) |
     while read path
     do
         cmp $path ../.git/$path || {
	     echo $path differs.
	     return 1
	 }
     done'
cd "$TRASH"

test_expect_success \
    'pack with OFS_DELTA' \
    'pwd &&
     packname_3=$(git pack-objects --delta-base-offset test-3 <obj-list)'

rm -fr .git2
mkdir .git2

test_expect_success \
    'unpack with OFS_DELTA' \
    'GIT_OBJECT_DIRECTORY=.git2/objects &&
     export GIT_OBJECT_DIRECTORY &&
     git init &&
     git unpack-objects -n <test-3-${packname_3}.pack &&
     git unpack-objects <test-3-${packname_3}.pack'

unset GIT_OBJECT_DIRECTORY
cd "$TRASH/.git2"
test_expect_success \
    'check unpack with OFS_DELTA' \
    '(cd ../.git && find objects -type f -print) |
     while read path
     do
         cmp $path ../.git/$path || {
	     echo $path differs.
	     return 1
	 }
     done'
cd "$TRASH"

test_expect_success 'compare delta flavors' '
	perl -e '\''
		defined($_ = -s $_) or die for @ARGV;
		exit 1 if $ARGV[0] <= $ARGV[1];
	'\'' test-2-$packname_2.pack test-3-$packname_3.pack
'

rm -fr .git2
mkdir .git2

test_expect_success \
    'use packed objects' \
    'GIT_OBJECT_DIRECTORY=.git2/objects &&
     export GIT_OBJECT_DIRECTORY &&
     git init &&
     cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && {
	 git diff-tree --root -p $commit &&
	 while read object
	 do
	    t=`git cat-file -t $object` &&
	    git cat-file $t $object || return 1
	 done <obj-list
    } >current &&
    diff expect current'

test_expect_success \
    'use packed deltified (REF_DELTA) objects' \
    'GIT_OBJECT_DIRECTORY=.git2/objects &&
     export GIT_OBJECT_DIRECTORY &&
     rm -f .git2/objects/pack/test-* &&
     cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
	 git diff-tree --root -p $commit &&
	 while read object
	 do
	    t=`git cat-file -t $object` &&
	    git cat-file $t $object || return 1
	 done <obj-list
    } >current &&
    diff expect current'

test_expect_success \
    'use packed deltified (OFS_DELTA) objects' \
    'GIT_OBJECT_DIRECTORY=.git2/objects &&
     export GIT_OBJECT_DIRECTORY &&
     rm -f .git2/objects/pack/test-* &&
     cp test-3-${packname_3}.pack test-3-${packname_3}.idx .git2/objects/pack && {
	 git diff-tree --root -p $commit &&
	 while read object
	 do
	    t=`git cat-file -t $object` &&
	    git cat-file $t $object || return 1
	 done <obj-list
    } >current &&
    diff expect current'

unset GIT_OBJECT_DIRECTORY

test_expect_success 'survive missing objects/pack directory' '
	(
		rm -fr missing-pack &&
		mkdir missing-pack &&
		cd missing-pack &&
		git init &&
		GOP=.git/objects/pack
		rm -fr $GOP &&
		git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
		test -f $GOP/pack-${packname_3}.pack &&
		test_cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
		test -f $GOP/pack-${packname_3}.idx &&
		test_cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
		test -f $GOP/pack-${packname_3}.keep
	)
'

test_expect_success \
    'verify pack' \
    'git verify-pack	test-1-${packname_1}.idx \
			test-2-${packname_2}.idx \
			test-3-${packname_3}.idx'

test_expect_success \
    'verify pack -v' \
    'git verify-pack -v	test-1-${packname_1}.idx \
			test-2-${packname_2}.idx \
			test-3-${packname_3}.idx'

test_expect_success \
    'verify-pack catches mismatched .idx and .pack files' \
    'cat test-1-${packname_1}.idx >test-3.idx &&
     cat test-2-${packname_2}.pack >test-3.pack &&
     if git verify-pack test-3.idx
     then false
     else :;
     fi'

test_expect_success \
    'verify-pack catches a corrupted pack signature' \
    'cat test-1-${packname_1}.pack >test-3.pack &&
     echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
     if git verify-pack test-3.idx
     then false
     else :;
     fi'

test_expect_success \
    'verify-pack catches a corrupted pack version' \
    'cat test-1-${packname_1}.pack >test-3.pack &&
     echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
     if git verify-pack test-3.idx
     then false
     else :;
     fi'

test_expect_success \
    'verify-pack catches a corrupted type/size of the 1st packed object data' \
    'cat test-1-${packname_1}.pack >test-3.pack &&
     echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
     if git verify-pack test-3.idx
     then false
     else :;
     fi'

test_expect_success \
    'verify-pack catches a corrupted sum of the index file itself' \
    'l=`wc -c <test-3.idx` &&
     l=`expr $l - 20` &&
     cat test-1-${packname_1}.pack >test-3.pack &&
     printf "%20s" "" | dd of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
     if git verify-pack test-3.pack
     then false
     else :;
     fi'

test_expect_success \
    'build pack index for an existing pack' \
    'cat test-1-${packname_1}.pack >test-3.pack &&
     git index-pack -o tmp.idx test-3.pack &&
     cmp tmp.idx test-1-${packname_1}.idx &&

     git index-pack test-3.pack &&
     cmp test-3.idx test-1-${packname_1}.idx &&

     cat test-2-${packname_2}.pack >test-3.pack &&
     git index-pack -o tmp.idx test-2-${packname_2}.pack &&
     cmp tmp.idx test-2-${packname_2}.idx &&

     git index-pack test-3.pack &&
     cmp test-3.idx test-2-${packname_2}.idx &&

     cat test-3-${packname_3}.pack >test-3.pack &&
     git index-pack -o tmp.idx test-3-${packname_3}.pack &&
     cmp tmp.idx test-3-${packname_3}.idx &&

     git index-pack test-3.pack &&
     cmp test-3.idx test-3-${packname_3}.idx &&

     :'

test_expect_success \
    'fake a SHA1 hash collision' \
    'test -f	.git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67 &&
     cp -f	.git/objects/9d/235ed07cd19811a6ceb342de82f190e49c9f68 \
		.git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67'

test_expect_success \
    'make sure index-pack detects the SHA1 collision' \
    'test_must_fail git index-pack -o bad.idx test-3.pack 2>msg &&
     grep "SHA1 COLLISION FOUND" msg'

test_expect_success \
    'honor pack.packSizeLimit' \
    'git config pack.packSizeLimit 200 &&
     packname_4=$(git pack-objects test-4 <obj-list) &&
     test 3 = $(ls test-4-*.pack | wc -l)'

test_expect_success 'unpacking with --strict' '

	git config --unset pack.packsizelimit &&
	for j in a b c d e f g
	do
		for i in 0 1 2 3 4 5 6 7 8 9
		do
			o=$(echo $j$i | git hash-object -w --stdin) &&
			echo "100644 $o	0 $j$i"
		done
	done >LIST &&
	rm -f .git/index &&
	git update-index --index-info <LIST &&
	LIST=$(git write-tree) &&
	rm -f .git/index &&
	head -n 10 LIST | git update-index --index-info &&
	LI=$(git write-tree) &&
	rm -f .git/index &&
	tail -n 10 LIST | git update-index --index-info &&
	ST=$(git write-tree) &&
	PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
		git pack-objects test-5 ) &&
	PACK6=$( (
			echo "$LIST"
			echo "$LI"
			echo "$ST"
		 ) | git pack-objects test-6 ) &&
	test_create_repo test-5 &&
	(
		cd test-5 &&
		git unpack-objects --strict <../test-5-$PACK5.pack &&
		git ls-tree -r $LIST &&
		git ls-tree -r $LI &&
		git ls-tree -r $ST
	) &&
	test_create_repo test-6 &&
	(
		# tree-only into empty repo -- many unreachables
		cd test-6 &&
		test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
	) &&
	(
		# already populated -- no unreachables
		cd test-5 &&
		git unpack-objects --strict <../test-6-$PACK6.pack
	)
'

test_expect_success 'index-pack with --strict' '

	for j in a b c d e f g
	do
		for i in 0 1 2 3 4 5 6 7 8 9
		do
			o=$(echo $j$i | git hash-object -w --stdin) &&
			echo "100644 $o	0 $j$i"
		done
	done >LIST &&
	rm -f .git/index &&
	git update-index --index-info <LIST &&
	LIST=$(git write-tree) &&
	rm -f .git/index &&
	head -n 10 LIST | git update-index --index-info &&
	LI=$(git write-tree) &&
	rm -f .git/index &&
	tail -n 10 LIST | git update-index --index-info &&
	ST=$(git write-tree) &&
	PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
		git pack-objects test-5 ) &&
	PACK6=$( (
			echo "$LIST"
			echo "$LI"
			echo "$ST"
		 ) | git pack-objects test-6 ) &&
	test_create_repo test-7 &&
	(
		cd test-7 &&
		git index-pack --strict --stdin <../test-5-$PACK5.pack &&
		git ls-tree -r $LIST &&
		git ls-tree -r $LI &&
		git ls-tree -r $ST
	) &&
	test_create_repo test-8 &&
	(
		# tree-only into empty repo -- many unreachables
		cd test-8 &&
		test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
	) &&
	(
		# already populated -- no unreachables
		cd test-7 &&
		git index-pack --strict --stdin <../test-6-$PACK6.pack
	)
'

test_expect_success 'tolerate absurdly small packsizelimit' '
	git config pack.packSizeLimit 2 &&
	packname_9=$(git pack-objects test-9 <obj-list) &&
	test $(wc -l <obj-list) = $(ls test-9-*.pack | wc -l)
'

test_done
Commit	Line	Data
8ee378a0 JH	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2005 Junio C Hamano
	4	#
	5
3604e7c5	6	test_description='git pack-object
8ee378a0 JH	7
	8	'
	9	. ./test-lib.sh
	10
	11	TRASH=`pwd`
	12
	13	test_expect_success \
	14	'setup' \
	15	'rm -f .git/index*
b689ccf6 JS	16	perl -e "print \"a\" x 4096;" > a &&
	17	perl -e "print \"b\" x 4096;" > b &&
	18	perl -e "print \"c\" x 4096;" > c &&
	19	git update-index --add a b c &&
5be60078 JH	20	cat c >d && echo foo >>d && git update-index --add d &&
	21	tree=`git write-tree` &&
	22	commit=`git commit-tree $tree </dev/null` && {
8ee378a0	23	echo $tree &&
1f688557	24	echo $commit &&
5be60078	25	git ls-tree $tree \| sed -e "s/.* \\([0-9a-f]\\) ./\\1/"
1f688557	26	} >obj-list && {
5be60078	27	git diff-tree --root -p $commit &&
1f688557 JH	28	while read object
1f688557 JH	29	do
5be60078 JH	30	t=`git cat-file -t $object` &&
5be60078 JH	31	git cat-file $t $object \|\| return 1
1f688557 JH	32	done <obj-list
1f688557 JH	33	} >expect'
8ee378a0 JH	34
	35	test_expect_success \
	36	'pack without delta' \
5be60078	37	'packname_1=$(git pack-objects --window=0 test-1 <obj-list)'
8ee378a0 JH	38
	39	rm -fr .git2
	40	mkdir .git2
	41
	42	test_expect_success \
	43	'unpack without delta' \
a61eea6a	44	"GIT_OBJECT_DIRECTORY=.git2/objects &&
8ee378a0	45	export GIT_OBJECT_DIRECTORY &&
5be60078 JH	46	git init &&
	47	git unpack-objects -n <test-1-${packname_1}.pack &&
	48	git unpack-objects <test-1-${packname_1}.pack"
8ee378a0 JH	49
8ee378a0 JH	50	unset GIT_OBJECT_DIRECTORY
f07a5241	51	cd "$TRASH/.git2"
8ee378a0 JH	52
	53	test_expect_success \
	54	'check unpack without delta' \
	55	'(cd ../.git && find objects -type f -print) \|
	56	while read path
	57	do
	58	cmp $path ../.git/$path \|\| {
	59	echo $path differs.
4d9d62fa	60	return 1
8ee378a0 JH	61	}
8ee378a0 JH	62	done'
f07a5241	63	cd "$TRASH"
8ee378a0 JH	64
8ee378a0 JH	65	test_expect_success \
ac527b0b	66	'pack with REF_DELTA' \
8ee378a0	67	'pwd &&
5be60078	68	packname_2=$(git pack-objects test-2 <obj-list)'
8ee378a0 JH	69
	70	rm -fr .git2
	71	mkdir .git2
	72
	73	test_expect_success \
ac527b0b	74	'unpack with REF_DELTA' \
8ee378a0 JH	75	'GIT_OBJECT_DIRECTORY=.git2/objects &&
8ee378a0 JH	76	export GIT_OBJECT_DIRECTORY &&
5be60078 JH	77	git init &&
	78	git unpack-objects -n <test-2-${packname_2}.pack &&
	79	git unpack-objects <test-2-${packname_2}.pack'
8ee378a0 JH	80
8ee378a0 JH	81	unset GIT_OBJECT_DIRECTORY
f07a5241	82	cd "$TRASH/.git2"
8ee378a0	83	test_expect_success \
ac527b0b	84	'check unpack with REF_DELTA' \
8ee378a0 JH	85	'(cd ../.git && find objects -type f -print) \|
	86	while read path
	87	do
	88	cmp $path ../.git/$path \|\| {
	89	echo $path differs.
4d9d62fa	90	return 1
8ee378a0 JH	91	}
8ee378a0 JH	92	done'
f07a5241	93	cd "$TRASH"
8ee378a0	94
ac527b0b NP	95	test_expect_success \
	96	'pack with OFS_DELTA' \
	97	'pwd &&
5be60078	98	packname_3=$(git pack-objects --delta-base-offset test-3 <obj-list)'
ac527b0b NP	99
	100	rm -fr .git2
	101	mkdir .git2
	102
	103	test_expect_success \
	104	'unpack with OFS_DELTA' \
	105	'GIT_OBJECT_DIRECTORY=.git2/objects &&
	106	export GIT_OBJECT_DIRECTORY &&
5be60078 JH	107	git init &&
	108	git unpack-objects -n <test-3-${packname_3}.pack &&
	109	git unpack-objects <test-3-${packname_3}.pack'
ac527b0b NP	110
	111	unset GIT_OBJECT_DIRECTORY
	112	cd "$TRASH/.git2"
	113	test_expect_success \
	114	'check unpack with OFS_DELTA' \
	115	'(cd ../.git && find objects -type f -print) \|
	116	while read path
	117	do
	118	cmp $path ../.git/$path \|\| {
	119	echo $path differs.
	120	return 1
	121	}
	122	done'
	123	cd "$TRASH"
	124
d93f7c18 AL	125	test_expect_success 'compare delta flavors' '
	126	perl -e '\''
	127	defined($_ = -s $_) or die for @ARGV;
	128	exit 1 if $ARGV[0] <= $ARGV[1];
	129	'\'' test-2-$packname_2.pack test-3-$packname_3.pack
	130	'
ac527b0b	131
1f688557 JH	132	rm -fr .git2
	133	mkdir .git2
	134
	135	test_expect_success \
	136	'use packed objects' \
	137	'GIT_OBJECT_DIRECTORY=.git2/objects &&
	138	export GIT_OBJECT_DIRECTORY &&
5be60078	139	git init &&
a61eea6a	140	cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && {
5be60078	141	git diff-tree --root -p $commit &&
1f688557 JH	142	while read object
1f688557 JH	143	do
5be60078 JH	144	t=`git cat-file -t $object` &&
5be60078 JH	145	git cat-file $t $object \|\| return 1
1f688557 JH	146	done <obj-list
	147	} >current &&
	148	diff expect current'
	149
1f688557	150	test_expect_success \
ac527b0b	151	'use packed deltified (REF_DELTA) objects' \
1f688557 JH	152	'GIT_OBJECT_DIRECTORY=.git2/objects &&
1f688557 JH	153	export GIT_OBJECT_DIRECTORY &&
a5878961	154	rm -f .git2/objects/pack/test-* &&
a61eea6a	155	cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
5be60078	156	git diff-tree --root -p $commit &&
1f688557 JH	157	while read object
1f688557 JH	158	do
5be60078 JH	159	t=`git cat-file -t $object` &&
5be60078 JH	160	git cat-file $t $object \|\| return 1
1f688557 JH	161	done <obj-list
	162	} >current &&
	163	diff expect current'
	164
ac527b0b NP	165	test_expect_success \
	166	'use packed deltified (OFS_DELTA) objects' \
	167	'GIT_OBJECT_DIRECTORY=.git2/objects &&
	168	export GIT_OBJECT_DIRECTORY &&
a5878961	169	rm -f .git2/objects/pack/test-* &&
ac527b0b	170	cp test-3-${packname_3}.pack test-3-${packname_3}.idx .git2/objects/pack && {
5be60078	171	git diff-tree --root -p $commit &&
ac527b0b NP	172	while read object
ac527b0b NP	173	do
5be60078 JH	174	t=`git cat-file -t $object` &&
5be60078 JH	175	git cat-file $t $object \|\| return 1
ac527b0b NP	176	done <obj-list
	177	} >current &&
	178	diff expect current'
	179
f9253394 JH	180	unset GIT_OBJECT_DIRECTORY
f9253394 JH	181
6e180cdc JH	182	test_expect_success 'survive missing objects/pack directory' '
	183	(
	184	rm -fr missing-pack &&
	185	mkdir missing-pack &&
	186	cd missing-pack &&
	187	git init &&
	188	GOP=.git/objects/pack
	189	rm -fr $GOP &&
	190	git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
	191	test -f $GOP/pack-${packname_3}.pack &&
	192	test_cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
	193	test -f $GOP/pack-${packname_3}.idx &&
	194	test_cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
	195	test -f $GOP/pack-${packname_3}.keep
	196	)
	197	'
	198
f9253394 JH	199	test_expect_success \
f9253394 JH	200	'verify pack' \
5be60078	201	'git verify-pack test-1-${packname_1}.idx \
ac527b0b NP	202	test-2-${packname_2}.idx \
ac527b0b NP	203	test-3-${packname_3}.idx'
f9253394	204
4b480c67 NP	205	test_expect_success \
	206	'verify pack -v' \
	207	'git verify-pack -v test-1-${packname_1}.idx \
	208	test-2-${packname_2}.idx \
	209	test-3-${packname_3}.idx'
	210
f9253394	211	test_expect_success \
63405283	212	'verify-pack catches mismatched .idx and .pack files' \
a5878961 JH	213	'cat test-1-${packname_1}.idx >test-3.idx &&
a5878961 JH	214	cat test-2-${packname_2}.pack >test-3.pack &&
5be60078	215	if git verify-pack test-3.idx
f9253394 JH	216	then false
f9253394 JH	217	else :;
63405283	218	fi'
f9253394	219
63405283 JS	220	test_expect_success \
	221	'verify-pack catches a corrupted pack signature' \
	222	'cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6	223	echo \| dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
5be60078	224	if git verify-pack test-3.idx
f9253394 JH	225	then false
f9253394 JH	226	else :;
63405283	227	fi'
f9253394	228
63405283 JS	229	test_expect_success \
	230	'verify-pack catches a corrupted pack version' \
	231	'cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6	232	echo \| dd of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
5be60078	233	if git verify-pack test-3.idx
f9253394 JH	234	then false
f9253394 JH	235	else :;
63405283	236	fi'
f9253394	237
63405283 JS	238	test_expect_success \
	239	'verify-pack catches a corrupted type/size of the 1st packed object data' \
	240	'cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6	241	echo \| dd of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
5be60078	242	if git verify-pack test-3.idx
f9253394 JH	243	then false
f9253394 JH	244	else :;
63405283	245	fi'
f9253394	246
63405283 JS	247	test_expect_success \
	248	'verify-pack catches a corrupted sum of the index file itself' \
	249	'l=`wc -c <test-3.idx` &&
8eafa3da	250	l=`expr $l - 20` &&
a5878961	251	cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6	252	printf "%20s" "" \| dd of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
5be60078	253	if git verify-pack test-3.pack
c5ced645 JH	254	then false
c5ced645 JH	255	else :;
63405283	256	fi'
f9253394	257
9cf6d335 SV	258	test_expect_success \
9cf6d335 SV	259	'build pack index for an existing pack' \
a5878961	260	'cat test-1-${packname_1}.pack >test-3.pack &&
3604e7c5	261	git index-pack -o tmp.idx test-3.pack &&
9cf6d335 SV	262	cmp tmp.idx test-1-${packname_1}.idx &&
9cf6d335 SV	263
3604e7c5	264	git index-pack test-3.pack &&
9cf6d335 SV	265	cmp test-3.idx test-1-${packname_1}.idx &&
9cf6d335 SV	266
a5878961	267	cat test-2-${packname_2}.pack >test-3.pack &&
3604e7c5	268	git index-pack -o tmp.idx test-2-${packname_2}.pack &&
9cf6d335 SV	269	cmp tmp.idx test-2-${packname_2}.idx &&
9cf6d335 SV	270
3604e7c5	271	git index-pack test-3.pack &&
9cf6d335 SV	272	cmp test-3.idx test-2-${packname_2}.idx &&
9cf6d335 SV	273
a5878961	274	cat test-3-${packname_3}.pack >test-3.pack &&
3604e7c5	275	git index-pack -o tmp.idx test-3-${packname_3}.pack &&
ac527b0b NP	276	cmp tmp.idx test-3-${packname_3}.idx &&
ac527b0b NP	277
3604e7c5	278	git index-pack test-3.pack &&
ac527b0b NP	279	cmp test-3.idx test-3-${packname_3}.idx &&
ac527b0b NP	280
9cf6d335 SV	281	:'
9cf6d335 SV	282
8685da42 NP	283	test_expect_success \
	284	'fake a SHA1 hash collision' \
	285	'test -f .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67 &&
	286	cp -f .git/objects/9d/235ed07cd19811a6ceb342de82f190e49c9f68 \
	287	.git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67'
	288
41ac414e	289	test_expect_success \
8685da42	290	'make sure index-pack detects the SHA1 collision' \
c4398286	291	'test_must_fail git index-pack -o bad.idx test-3.pack 2>msg &&
5f020f72	292	grep "SHA1 COLLISION FOUND" msg'
8685da42	293
2b84b5a8 JS	294	test_expect_success \
	295	'honor pack.packSizeLimit' \
	296	'git config pack.packSizeLimit 200 &&
	297	packname_4=$(git pack-objects test-4 <obj-list) &&
	298	test 3 = $(ls test-4-*.pack \| wc -l)'
	299
f2898cfa	300	test_expect_success 'unpacking with --strict' '
c0e809e5 JH	301
	302	git config --unset pack.packsizelimit &&
	303	for j in a b c d e f g
	304	do
	305	for i in 0 1 2 3 4 5 6 7 8 9
	306	do
	307	o=$(echo $j$i \| git hash-object -w --stdin) &&
	308	echo "100644 $o 0 $j$i"
	309	done
	310	done >LIST &&
	311	rm -f .git/index &&
	312	git update-index --index-info <LIST &&
	313	LIST=$(git write-tree) &&
	314	rm -f .git/index &&
	315	head -n 10 LIST \| git update-index --index-info &&
	316	LI=$(git write-tree) &&
	317	rm -f .git/index &&
	318	tail -n 10 LIST \| git update-index --index-info &&
	319	ST=$(git write-tree) &&
	320	PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" \| \
	321	git pack-objects test-5 ) &&
	322	PACK6=$( (
	323	echo "$LIST"
	324	echo "$LI"
	325	echo "$ST"
	326	) \| git pack-objects test-6 ) &&
	327	test_create_repo test-5 &&
	328	(
	329	cd test-5 &&
	330	git unpack-objects --strict <../test-5-$PACK5.pack &&
	331	git ls-tree -r $LIST &&
	332	git ls-tree -r $LI &&
	333	git ls-tree -r $ST
	334	) &&
	335	test_create_repo test-6 &&
	336	(
	337	# tree-only into empty repo -- many unreachables
	338	cd test-6 &&
	339	test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
	340	) &&
	341	(
	342	# already populated -- no unreachables
	343	cd test-5 &&
	344	git unpack-objects --strict <../test-6-$PACK6.pack
	345	)
	346	'
	347
38a5739d MK	348	test_expect_success 'index-pack with --strict' '
	349
	350	for j in a b c d e f g
	351	do
	352	for i in 0 1 2 3 4 5 6 7 8 9
	353	do
	354	o=$(echo $j$i \| git hash-object -w --stdin) &&
	355	echo "100644 $o 0 $j$i"
	356	done
	357	done >LIST &&
	358	rm -f .git/index &&
	359	git update-index --index-info <LIST &&
	360	LIST=$(git write-tree) &&
	361	rm -f .git/index &&
	362	head -n 10 LIST \| git update-index --index-info &&
	363	LI=$(git write-tree) &&
	364	rm -f .git/index &&
	365	tail -n 10 LIST \| git update-index --index-info &&
	366	ST=$(git write-tree) &&
	367	PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" \| \
	368	git pack-objects test-5 ) &&
	369	PACK6=$( (
	370	echo "$LIST"
	371	echo "$LI"
	372	echo "$ST"
	373	) \| git pack-objects test-6 ) &&
	374	test_create_repo test-7 &&
	375	(
	376	cd test-7 &&
	377	git index-pack --strict --stdin <../test-5-$PACK5.pack &&
	378	git ls-tree -r $LIST &&
	379	git ls-tree -r $LI &&
	380	git ls-tree -r $ST
	381	) &&
	382	test_create_repo test-8 &&
	383	(
	384	# tree-only into empty repo -- many unreachables
	385	cd test-8 &&
	386	test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
	387	) &&
	388	(
	389	# already populated -- no unreachables
	390	cd test-7 &&
	391	git index-pack --strict --stdin <../test-6-$PACK6.pack
	392	)
	393	'
	394
a1e4760f NP	395	test_expect_success 'tolerate absurdly small packsizelimit' '
	396	git config pack.packSizeLimit 2 &&
	397	packname_9=$(git pack-objects test-9 <obj-list) &&
	398	test $(wc -l <obj-list) = $(ls test-9-*.pack \| wc -l)
	399	'
	400
8ee378a0	401	test_done