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Commit | Line | Data |
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6e541776 NP |
1 | #!/bin/sh |
2 | # | |
3 | # Copyright (c) 2007 Nicolas Pitre | |
4 | # | |
5 | ||
6 | test_description='pack index with 64-bit offsets and object CRC' | |
7 | . ./test-lib.sh | |
8 | ||
796d1383 | 9 | test_expect_success 'setup' ' |
1610dda8 | 10 | test_oid_init && |
11 | rawsz=$(test_oid rawsz) && | |
12 | rm -rf .git && | |
13 | git init && | |
14 | git config pack.threads 1 && | |
15 | i=1 && | |
16 | while test $i -le 100 | |
17 | do | |
18 | iii=$(printf '%03i' $i) | |
19 | test-tool genrandom "bar" 200 > wide_delta_$iii && | |
20 | test-tool genrandom "baz $iii" 50 >> wide_delta_$iii && | |
21 | test-tool genrandom "foo"$i 100 > deep_delta_$iii && | |
22 | test-tool genrandom "foo"$(expr $i + 1) 100 >> deep_delta_$iii && | |
23 | test-tool genrandom "foo"$(expr $i + 2) 100 >> deep_delta_$iii && | |
24 | echo $iii >file_$iii && | |
25 | test-tool genrandom "$iii" 8192 >>file_$iii && | |
26 | git update-index --add file_$iii deep_delta_$iii wide_delta_$iii && | |
27 | i=$(expr $i + 1) || return 1 | |
28 | done && | |
29 | { echo 101 && test-tool genrandom 100 8192; } >file_101 && | |
30 | git update-index --add file_101 && | |
31 | tree=$(git write-tree) && | |
32 | commit=$(git commit-tree $tree </dev/null) && { | |
33 | echo $tree && | |
34 | git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/" | |
35 | } >obj-list && | |
36 | git update-ref HEAD $commit | |
796d1383 | 37 | ' |
6e541776 | 38 | |
1610dda8 | 39 | test_expect_success 'pack-objects with index version 1' ' |
40 | pack1=$(git pack-objects --index-version=1 test-1 <obj-list) && | |
41 | git verify-pack -v "test-1-${pack1}.pack" | |
42 | ' | |
6e541776 | 43 | |
1610dda8 | 44 | test_expect_success 'pack-objects with index version 2' ' |
45 | pack2=$(git pack-objects --index-version=2 test-2 <obj-list) && | |
46 | git verify-pack -v "test-2-${pack2}.pack" | |
47 | ' | |
6e541776 | 48 | |
1610dda8 | 49 | test_expect_success 'both packs should be identical' ' |
50 | cmp "test-1-${pack1}.pack" "test-2-${pack2}.pack" | |
51 | ' | |
6e541776 | 52 | |
1610dda8 | 53 | test_expect_success 'index v1 and index v2 should be different' ' |
54 | ! cmp "test-1-${pack1}.idx" "test-2-${pack2}.idx" | |
55 | ' | |
6e541776 | 56 | |
1610dda8 | 57 | test_expect_success 'index-pack with index version 1' ' |
58 | git index-pack --index-version=1 -o 1.idx "test-1-${pack1}.pack" | |
59 | ' | |
6e541776 | 60 | |
1610dda8 | 61 | test_expect_success 'index-pack with index version 2' ' |
62 | git index-pack --index-version=2 -o 2.idx "test-1-${pack1}.pack" | |
63 | ' | |
6e541776 | 64 | |
1610dda8 | 65 | test_expect_success 'index-pack results should match pack-objects ones' ' |
66 | cmp "test-1-${pack1}.idx" "1.idx" && | |
67 | cmp "test-2-${pack2}.idx" "2.idx" | |
68 | ' | |
6e541776 | 69 | |
e337a04d JH |
70 | test_expect_success 'index-pack --verify on index version 1' ' |
71 | git index-pack --verify "test-1-${pack1}.pack" | |
72 | ' | |
73 | ||
74 | test_expect_success 'index-pack --verify on index version 2' ' | |
75 | git index-pack --verify "test-2-${pack2}.pack" | |
76 | ' | |
77 | ||
1610dda8 | 78 | test_expect_success 'pack-objects --index-version=2, is not accepted' ' |
79 | test_must_fail git pack-objects --index-version=2, test-3 <obj-list | |
80 | ' | |
6a301345 | 81 | |
1610dda8 | 82 | test_expect_success 'index v2: force some 64-bit offsets with pack-objects' ' |
83 | pack3=$(git pack-objects --index-version=2,0x40000 test-3 <obj-list) | |
84 | ' | |
8ed2fca4 | 85 | |
8ed2fca4 | 86 | if msg=$(git verify-pack -v "test-3-${pack3}.pack" 2>&1) || |
bbf08124 | 87 | ! (echo "$msg" | grep "pack too large .* off_t") |
8ed2fca4 | 88 | then |
18bf8798 | 89 | test_set_prereq OFF64_T |
8ed2fca4 | 90 | else |
fadb5156 | 91 | say "# skipping tests concerning 64-bit offsets" |
8ed2fca4 JS |
92 | fi |
93 | ||
1610dda8 | 94 | test_expect_success OFF64_T 'index v2: verify a pack with some 64-bit offsets' ' |
95 | git verify-pack -v "test-3-${pack3}.pack" | |
96 | ' | |
6e541776 | 97 | |
1610dda8 | 98 | test_expect_success OFF64_T '64-bit offsets: should be different from previous index v2 results' ' |
99 | ! cmp "test-2-${pack2}.idx" "test-3-${pack3}.idx" | |
100 | ' | |
6e541776 | 101 | |
1610dda8 | 102 | test_expect_success OFF64_T 'index v2: force some 64-bit offsets with index-pack' ' |
103 | git index-pack --index-version=2,0x40000 -o 3.idx "test-1-${pack1}.pack" | |
104 | ' | |
6e541776 | 105 | |
1610dda8 | 106 | test_expect_success OFF64_T '64-bit offsets: index-pack result should match pack-objects one' ' |
107 | cmp "test-3-${pack3}.idx" "3.idx" | |
108 | ' | |
6e541776 | 109 | |
e337a04d JH |
110 | test_expect_success OFF64_T 'index-pack --verify on 64-bit offset v2 (cheat)' ' |
111 | # This cheats by knowing which lower offset should still be encoded | |
112 | # in 64-bit representation. | |
113 | git index-pack --verify --index-version=2,0x40000 "test-3-${pack3}.pack" | |
114 | ' | |
115 | ||
3c9fc074 | 116 | test_expect_success OFF64_T 'index-pack --verify on 64-bit offset v2' ' |
e337a04d JH |
117 | git index-pack --verify "test-3-${pack3}.pack" |
118 | ' | |
119 | ||
2b5c208f NP |
120 | # returns the object number for given object in given pack index |
121 | index_obj_nr() | |
122 | { | |
1610dda8 | 123 | idx_file=$1 |
124 | object_sha1=$2 | |
125 | nr=0 | |
126 | git show-index < $idx_file | | |
127 | while read offs sha1 extra | |
128 | do | |
129 | nr=$(($nr + 1)) | |
130 | test "$sha1" = "$object_sha1" || continue | |
131 | echo "$(($nr - 1))" | |
132 | break | |
133 | done | |
2b5c208f NP |
134 | } |
135 | ||
136 | # returns the pack offset for given object as found in given pack index | |
137 | index_obj_offset() | |
138 | { | |
1610dda8 | 139 | idx_file=$1 |
140 | object_sha1=$2 | |
141 | git show-index < $idx_file | grep $object_sha1 | | |
142 | ( read offs extra && echo "$offs" ) | |
2b5c208f NP |
143 | } |
144 | ||
1610dda8 | 145 | test_expect_success '[index v1] 1) stream pack to repository' ' |
146 | git index-pack --index-version=1 --stdin < "test-1-${pack1}.pack" && | |
147 | git prune-packed && | |
148 | git count-objects | ( read nr rest && test "$nr" -eq 1 ) && | |
149 | cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" && | |
150 | cmp "test-1-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx" | |
151 | ' | |
6e541776 NP |
152 | |
153 | test_expect_success \ | |
1610dda8 | 154 | '[index v1] 2) create a stealth corruption in a delta base reference' ' |
155 | # This test assumes file_101 is a delta smaller than 16 bytes. | |
156 | # It should be against file_100 but we substitute its base for file_099 | |
157 | sha1_101=$(git hash-object file_101) && | |
158 | sha1_099=$(git hash-object file_099) && | |
159 | offs_101=$(index_obj_offset 1.idx $sha1_101) && | |
160 | nr_099=$(index_obj_nr 1.idx $sha1_099) && | |
161 | chmod +w ".git/objects/pack/pack-${pack1}.pack" && | |
162 | recordsz=$((rawsz + 4)) && | |
163 | dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($offs_101 + 1)) \ | |
164 | if=".git/objects/pack/pack-${pack1}.idx" \ | |
165 | skip=$((4 + 256 * 4 + $nr_099 * recordsz)) \ | |
166 | bs=1 count=$rawsz conv=notrunc && | |
167 | git cat-file blob $sha1_101 > file_101_foo1 | |
168 | ' | |
6e541776 | 169 | |
41ac414e | 170 | test_expect_success \ |
1610dda8 | 171 | '[index v1] 3) corrupted delta happily returned wrong data' ' |
172 | test -f file_101_foo1 && ! cmp file_101 file_101_foo1 | |
173 | ' | |
6e541776 | 174 | |
41ac414e | 175 | test_expect_success \ |
1610dda8 | 176 | '[index v1] 4) confirm that the pack is actually corrupted' ' |
177 | test_must_fail git fsck --full $commit | |
178 | ' | |
6e541776 NP |
179 | |
180 | test_expect_success \ | |
1610dda8 | 181 | '[index v1] 5) pack-objects happily reuses corrupted data' ' |
182 | pack4=$(git pack-objects test-4 <obj-list) && | |
183 | test -f "test-4-${pack4}.pack" | |
184 | ' | |
6e541776 | 185 | |
1610dda8 | 186 | test_expect_success '[index v1] 6) newly created pack is BAD !' ' |
187 | test_must_fail git verify-pack -v "test-4-${pack4}.pack" | |
188 | ' | |
6e541776 | 189 | |
1610dda8 | 190 | test_expect_success '[index v2] 1) stream pack to repository' ' |
191 | rm -f .git/objects/pack/* && | |
192 | git index-pack --index-version=2 --stdin < "test-1-${pack1}.pack" && | |
193 | git prune-packed && | |
194 | git count-objects | ( read nr rest && test "$nr" -eq 1 ) && | |
195 | cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" && | |
196 | cmp "test-2-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx" | |
197 | ' | |
6e541776 NP |
198 | |
199 | test_expect_success \ | |
1610dda8 | 200 | '[index v2] 2) create a stealth corruption in a delta base reference' ' |
201 | # This test assumes file_101 is a delta smaller than 16 bytes. | |
202 | # It should be against file_100 but we substitute its base for file_099 | |
203 | sha1_101=$(git hash-object file_101) && | |
204 | sha1_099=$(git hash-object file_099) && | |
205 | offs_101=$(index_obj_offset 1.idx $sha1_101) && | |
206 | nr_099=$(index_obj_nr 1.idx $sha1_099) && | |
207 | chmod +w ".git/objects/pack/pack-${pack1}.pack" && | |
208 | dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($offs_101 + 1)) \ | |
209 | if=".git/objects/pack/pack-${pack1}.idx" \ | |
210 | skip=$((8 + 256 * 4 + $nr_099 * rawsz)) \ | |
211 | bs=1 count=$rawsz conv=notrunc && | |
212 | git cat-file blob $sha1_101 > file_101_foo2 | |
213 | ' | |
6e541776 | 214 | |
41ac414e | 215 | test_expect_success \ |
1610dda8 | 216 | '[index v2] 3) corrupted delta happily returned wrong data' ' |
217 | test -f file_101_foo2 && ! cmp file_101 file_101_foo2 | |
218 | ' | |
6e541776 | 219 | |
41ac414e | 220 | test_expect_success \ |
1610dda8 | 221 | '[index v2] 4) confirm that the pack is actually corrupted' ' |
222 | test_must_fail git fsck --full $commit | |
223 | ' | |
6e541776 | 224 | |
41ac414e | 225 | test_expect_success \ |
1610dda8 | 226 | '[index v2] 5) pack-objects refuses to reuse corrupted data' ' |
227 | test_must_fail git pack-objects test-5 <obj-list && | |
228 | test_must_fail git pack-objects --no-reuse-object test-6 <obj-list | |
229 | ' | |
6e541776 | 230 | |
85fe23ed | 231 | test_expect_success \ |
1610dda8 | 232 | '[index v2] 6) verify-pack detects CRC mismatch' ' |
233 | rm -f .git/objects/pack/* && | |
234 | git index-pack --index-version=2 --stdin < "test-1-${pack1}.pack" && | |
235 | git verify-pack ".git/objects/pack/pack-${pack1}.pack" && | |
236 | obj=$(git hash-object file_001) && | |
237 | nr=$(index_obj_nr ".git/objects/pack/pack-${pack1}.idx" $obj) && | |
238 | chmod +w ".git/objects/pack/pack-${pack1}.idx" && | |
239 | printf xxxx | dd of=".git/objects/pack/pack-${pack1}.idx" conv=notrunc \ | |
240 | bs=1 count=4 seek=$((8 + 256 * 4 + $(wc -l <obj-list) * rawsz + $nr * 4)) && | |
241 | ( while read obj | |
242 | do git cat-file -p $obj >/dev/null || exit 1 | |
243 | done <obj-list ) && | |
244 | test_must_fail git verify-pack ".git/objects/pack/pack-${pack1}.pack" | |
3de89c9d | 245 | ' |
85fe23ed | 246 | |
a672ea6a | 247 | test_expect_success 'running index-pack in the object store' ' |
1610dda8 | 248 | rm -f .git/objects/pack/* && |
249 | cp test-1-${pack1}.pack .git/objects/pack/pack-${pack1}.pack && | |
250 | ( | |
251 | cd .git/objects/pack && | |
252 | git index-pack pack-${pack1}.pack | |
253 | ) && | |
254 | test -f .git/objects/pack/pack-${pack1}.idx | |
a672ea6a NP |
255 | ' |
256 | ||
f99b7af6 | 257 | test_expect_success 'index-pack --strict warns upon missing tagger in tag' ' |
1610dda8 | 258 | sha=$(git rev-parse HEAD) && |
259 | cat >wrong-tag <<EOF && | |
f99b7af6 JS |
260 | object $sha |
261 | type commit | |
262 | tag guten tag | |
263 | ||
264 | This is an invalid tag. | |
265 | EOF | |
266 | ||
1610dda8 | 267 | tag=$(git hash-object -t tag -w --stdin <wrong-tag) && |
268 | pack1=$(echo $tag $sha | git pack-objects tag-test) && | |
269 | echo remove tag object && | |
270 | thirtyeight=${tag#??} && | |
271 | rm -f .git/objects/${tag%$thirtyeight}/$thirtyeight && | |
272 | git index-pack --strict tag-test-${pack1}.pack 2>err && | |
273 | grep "^warning:.* expected .tagger. line" err | |
f99b7af6 JS |
274 | ' |
275 | ||
ffb2c0fe | 276 | test_expect_success 'index-pack --fsck-objects also warns upon missing tagger in tag' ' |
1610dda8 | 277 | git index-pack --fsck-objects tag-test-${pack1}.pack 2>err && |
278 | grep "^warning:.* expected .tagger. line" err | |
ffb2c0fe JT |
279 | ' |
280 | ||
6e541776 | 281 | test_done |