3 # Copyright (c) 2007 Nicolas Pitre
6 test_description='pack index with 64-bit offsets and object CRC'
18 test-genrandom "$i" 8192 >>file_$i &&
19 git-update-index --add file_$i &&
20 i=`expr $i + 1` || return 1
22 { echo 101 && test-genrandom 100 8192; } >file_101 &&
23 git-update-index --add file_101 &&
24 tree=`git-write-tree` &&
25 commit=`git-commit-tree $tree </dev/null` && {
27 git-ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
29 git-update-ref HEAD $commit'
32 'pack-objects with index version 1' \
33 'pack1=$(git-pack-objects --index-version=1 test-1 <obj-list) &&
34 git-verify-pack -v "test-1-${pack1}.pack"'
37 'pack-objects with index version 2' \
38 'pack2=$(git-pack-objects --index-version=2 test-2 <obj-list) &&
39 git-verify-pack -v "test-2-${pack2}.pack"'
42 'both packs should be identical' \
43 'cmp "test-1-${pack1}.pack" "test-2-${pack2}.pack"'
46 'index v1 and index v2 should be different' \
47 'cmp "test-1-${pack1}.idx" "test-2-${pack2}.idx"'
50 'index-pack with index version 1' \
51 'git-index-pack --index-version=1 -o 1.idx "test-1-${pack1}.pack"'
54 'index-pack with index version 2' \
55 'git-index-pack --index-version=2 -o 2.idx "test-1-${pack1}.pack"'
58 'index-pack results should match pack-objects ones' \
59 'cmp "test-1-${pack1}.idx" "1.idx" &&
60 cmp "test-2-${pack2}.idx" "2.idx"'
63 'index v2: force some 64-bit offsets with pack-objects' \
64 'pack3=$(git-pack-objects --index-version=2,0x40000 test-3 <obj-list) &&
65 git-verify-pack -v "test-3-${pack3}.pack"'
68 '64-bit offsets: should be different from previous index v2 results' \
69 'cmp "test-2-${pack2}.idx" "test-3-${pack3}.idx"'
72 'index v2: force some 64-bit offsets with index-pack' \
73 'git-index-pack --index-version=2,0x40000 -o 3.idx "test-1-${pack1}.pack"'
76 '64-bit offsets: index-pack result should match pack-objects one' \
77 'cmp "test-3-${pack3}.idx" "3.idx"'
80 '[index v1] 1) stream pack to repository' \
81 'git-index-pack --index-version=1 --stdin < "test-1-${pack1}.pack" &&
83 git-count-objects | ( read nr rest && test "$nr" -eq 1 ) &&
84 cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" &&
85 cmp "test-1-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx"'
88 '[index v1] 2) create a stealth corruption in a delta base reference' \
89 '# this test assumes a delta smaller than 16 bytes at the end of the pack
90 git-show-index <1.idx | sort -n | tail -n 1 | (
91 read delta_offs delta_sha1 &&
92 git-cat-file blob "$delta_sha1" > blob_1 &&
93 chmod +w ".git/objects/pack/pack-${pack1}.pack" &&
94 dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($delta_offs + 1)) \
95 if=".git/objects/pack/pack-${pack1}.idx" skip=$((256 * 4 + 4)) \
96 bs=1 count=20 conv=notrunc &&
97 git-cat-file blob "$delta_sha1" > blob_2 )'
100 '[index v1] 3) corrupted delta happily returned wrong data' \
103 test_expect_failure \
104 '[index v1] 4) confirm that the pack is actually corrupted' \
105 'git-fsck --full $commit'
107 test_expect_success \
108 '[index v1] 5) pack-objects happily reuses corrupted data' \
109 'pack4=$(git-pack-objects test-4 <obj-list) &&
110 test -f "test-4-${pack1}.pack"'
112 test_expect_failure \
113 '[index v1] 6) newly created pack is BAD !' \
114 'git-verify-pack -v "test-4-${pack1}.pack"'
116 test_expect_success \
117 '[index v2] 1) stream pack to repository' \
118 'rm -f .git/objects/pack/* &&
119 git-index-pack --index-version=2,0x40000 --stdin < "test-1-${pack1}.pack" &&
121 git-count-objects | ( read nr rest && test "$nr" -eq 1 ) &&
122 cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" &&
123 cmp "test-3-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx"'
125 test_expect_success \
126 '[index v2] 2) create a stealth corruption in a delta base reference' \
127 '# this test assumes a delta smaller than 16 bytes at the end of the pack
128 git-show-index <1.idx | sort -n | tail -n 1 | (
129 read delta_offs delta_sha1 delta_crc &&
130 git-cat-file blob "$delta_sha1" > blob_3 &&
131 chmod +w ".git/objects/pack/pack-${pack1}.pack" &&
132 dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($delta_offs + 1)) \
133 if=".git/objects/pack/pack-${pack1}.idx" skip=$((8 + 256 * 4)) \
134 bs=1 count=20 conv=notrunc &&
135 git-cat-file blob "$delta_sha1" > blob_4 )'
137 test_expect_failure \
138 '[index v2] 3) corrupted delta happily returned wrong data' \
141 test_expect_failure \
142 '[index v2] 4) confirm that the pack is actually corrupted' \
143 'git-fsck --full $commit'
145 test_expect_failure \
146 '[index v2] 5) pack-objects refuses to reuse corrupted data' \
147 'git-pack-objects test-5 <obj-list'