3 # Copyright (c) 2007 Nicolas Pitre
6 test_description='pack index with 64-bit offsets and object CRC'
9 test_expect_success 'setup' '
11 rawsz=$(test_oid rawsz) &&
14 git config pack.threads 1 &&
18 iii=$(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 $i + 1) || return 1
29 { echo 101 && test-tool genrandom 100 8192; } >file_101 &&
30 git update-index --add file_101 &&
31 tree=$(git write-tree) &&
32 commit=$(git commit-tree $tree </dev/null) && {
34 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
36 git update-ref HEAD $commit
40 'pack-objects with index version 1' \
41 'pack1=$(git pack-objects --index-version=1 test-1 <obj-list) &&
42 git verify-pack -v "test-1-${pack1}.pack"'
45 'pack-objects with index version 2' \
46 'pack2=$(git pack-objects --index-version=2 test-2 <obj-list) &&
47 git verify-pack -v "test-2-${pack2}.pack"'
50 'both packs should be identical' \
51 'cmp "test-1-${pack1}.pack" "test-2-${pack2}.pack"'
54 'index v1 and index v2 should be different' \
55 '! cmp "test-1-${pack1}.idx" "test-2-${pack2}.idx"'
58 'index-pack with index version 1' \
59 'git index-pack --index-version=1 -o 1.idx "test-1-${pack1}.pack"'
62 'index-pack with index version 2' \
63 'git index-pack --index-version=2 -o 2.idx "test-1-${pack1}.pack"'
66 'index-pack results should match pack-objects ones' \
67 'cmp "test-1-${pack1}.idx" "1.idx" &&
68 cmp "test-2-${pack2}.idx" "2.idx"'
70 test_expect_success 'index-pack --verify on index version 1' '
71 git index-pack --verify "test-1-${pack1}.pack"
74 test_expect_success 'index-pack --verify on index version 2' '
75 git index-pack --verify "test-2-${pack2}.pack"
79 'pack-objects --index-version=2, is not accepted' \
80 'test_must_fail git pack-objects --index-version=2, test-3 <obj-list'
83 'index v2: force some 64-bit offsets with pack-objects' \
84 'pack3=$(git pack-objects --index-version=2,0x40000 test-3 <obj-list)'
86 if msg=$(git verify-pack -v "test-3-${pack3}.pack" 2>&1) ||
87 ! (echo "$msg" | grep "pack too large .* off_t")
89 test_set_prereq OFF64_T
91 say "# skipping tests concerning 64-bit offsets"
94 test_expect_success OFF64_T \
95 'index v2: verify a pack with some 64-bit offsets' \
96 'git verify-pack -v "test-3-${pack3}.pack"'
98 test_expect_success OFF64_T \
99 '64-bit offsets: should be different from previous index v2 results' \
100 '! cmp "test-2-${pack2}.idx" "test-3-${pack3}.idx"'
102 test_expect_success OFF64_T \
103 'index v2: force some 64-bit offsets with index-pack' \
104 'git index-pack --index-version=2,0x40000 -o 3.idx "test-1-${pack1}.pack"'
106 test_expect_success OFF64_T \
107 '64-bit offsets: index-pack result should match pack-objects one' \
108 'cmp "test-3-${pack3}.idx" "3.idx"'
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-${pack3}.pack"
116 test_expect_success OFF64_T 'index-pack --verify on 64-bit offset v2' '
117 git index-pack --verify "test-3-${pack3}.pack"
120 # returns the object number for given object in given pack index
126 git show-index < $idx_file |
127 while read offs sha1 extra
130 test "$sha1" = "$object_sha1" || continue
136 # returns the pack offset for given object as found in given pack index
141 git show-index < $idx_file | grep $object_sha1 |
142 ( read offs extra && echo "$offs" )
145 test_expect_success \
146 '[index v1] 1) stream pack to repository' \
147 'git index-pack --index-version=1 --stdin < "test-1-${pack1}.pack" &&
149 git count-objects | ( read nr rest && test "$nr" -eq 1 ) &&
150 cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" &&
151 cmp "test-1-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx"'
153 test_expect_success \
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'
169 test_expect_success \
170 '[index v1] 3) corrupted delta happily returned wrong data' \
171 'test -f file_101_foo1 && ! cmp file_101 file_101_foo1'
173 test_expect_success \
174 '[index v1] 4) confirm that the pack is actually corrupted' \
175 'test_must_fail git fsck --full $commit'
177 test_expect_success \
178 '[index v1] 5) pack-objects happily reuses corrupted data' \
179 'pack4=$(git pack-objects test-4 <obj-list) &&
180 test -f "test-4-${pack4}.pack"'
182 test_expect_success \
183 '[index v1] 6) newly created pack is BAD !' \
184 'test_must_fail git verify-pack -v "test-4-${pack4}.pack"'
186 test_expect_success \
187 '[index v2] 1) stream pack to repository' \
188 'rm -f .git/objects/pack/* &&
189 git index-pack --index-version=2 --stdin < "test-1-${pack1}.pack" &&
191 git count-objects | ( read nr rest && test "$nr" -eq 1 ) &&
192 cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" &&
193 cmp "test-2-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx"'
195 test_expect_success \
196 '[index v2] 2) create a stealth corruption in a delta base reference' \
197 '# This test assumes file_101 is a delta smaller than 16 bytes.
198 # It should be against file_100 but we substitute its base for file_099
199 sha1_101=$(git hash-object file_101) &&
200 sha1_099=$(git hash-object file_099) &&
201 offs_101=$(index_obj_offset 1.idx $sha1_101) &&
202 nr_099=$(index_obj_nr 1.idx $sha1_099) &&
203 chmod +w ".git/objects/pack/pack-${pack1}.pack" &&
204 dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($offs_101 + 1)) \
205 if=".git/objects/pack/pack-${pack1}.idx" \
206 skip=$((8 + 256 * 4 + $nr_099 * rawsz)) \
207 bs=1 count=$rawsz conv=notrunc &&
208 git cat-file blob $sha1_101 > file_101_foo2'
210 test_expect_success \
211 '[index v2] 3) corrupted delta happily returned wrong data' \
212 'test -f file_101_foo2 && ! cmp file_101 file_101_foo2'
214 test_expect_success \
215 '[index v2] 4) confirm that the pack is actually corrupted' \
216 'test_must_fail git fsck --full $commit'
218 test_expect_success \
219 '[index v2] 5) pack-objects refuses to reuse corrupted data' \
220 'test_must_fail git pack-objects test-5 <obj-list &&
221 test_must_fail git pack-objects --no-reuse-object test-6 <obj-list'
223 test_expect_success \
224 '[index v2] 6) verify-pack detects CRC mismatch' \
225 'rm -f .git/objects/pack/* &&
226 git index-pack --index-version=2 --stdin < "test-1-${pack1}.pack" &&
227 git verify-pack ".git/objects/pack/pack-${pack1}.pack" &&
228 obj=$(git hash-object file_001) &&
229 nr=$(index_obj_nr ".git/objects/pack/pack-${pack1}.idx" $obj) &&
230 chmod +w ".git/objects/pack/pack-${pack1}.idx" &&
231 printf xxxx | dd of=".git/objects/pack/pack-${pack1}.idx" conv=notrunc \
232 bs=1 count=4 seek=$((8 + 256 * 4 + $(wc -l <obj-list) * rawsz + $nr * 4)) &&
234 do git cat-file -p $obj >/dev/null || exit 1
236 test_must_fail git verify-pack ".git/objects/pack/pack-${pack1}.pack"
239 test_expect_success 'running index-pack in the object store' '
240 rm -f .git/objects/pack/* &&
241 cp test-1-${pack1}.pack .git/objects/pack/pack-${pack1}.pack &&
243 cd .git/objects/pack &&
244 git index-pack pack-${pack1}.pack
246 test -f .git/objects/pack/pack-${pack1}.idx
249 test_expect_success 'index-pack --strict warns upon missing tagger in tag' '
250 sha=$(git rev-parse HEAD) &&
251 cat >wrong-tag <<EOF &&
256 This is an invalid tag.
259 tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
260 pack1=$(echo $tag $sha | git pack-objects tag-test) &&
261 echo remove tag object &&
262 thirtyeight=${tag#??} &&
263 rm -f .git/objects/${tag%$thirtyeight}/$thirtyeight &&
264 git index-pack --strict tag-test-${pack1}.pack 2>err &&
265 grep "^warning:.* expected .tagger. line" err
268 test_expect_success 'index-pack --fsck-objects also warns upon missing tagger in tag' '
269 git index-pack --fsck-objects tag-test-${pack1}.pack 2>err &&
270 grep "^warning:.* expected .tagger. line" err