blob: 7647f2142bb861db8f989c2c24e81721a1d079de (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
#!/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*
for i in a b c
do
dd if=/dev/zero bs=4k count=1 | tr "\\000" $i >$i &&
git update-index --add $i || return 1
done &&
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 $object || return 1
done <obj-list
} >current &&
diff expect current'
unset GIT_OBJECT_DIRECTORY
test_expect_success \
'verify pack' \
'git verify-pack test-1-${packname_1}.idx \
test-2-${packname_2}.idx \
test-3-${packname_3}.idx'
test_expect_success \
'verify-pack 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-${packname_1}.pack >test-3.pack &&
dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
if git verify-pack test-3.idx
then false
else :;
fi'
test_expect_success \
'verify-pack catches a corrupted pack version' \
'cat test-1-${packname_1}.pack >test-3.pack &&
dd if=/dev/zero 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 &&
dd if=/dev/zero 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 &&
dd if=/dev/zero 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' \
'! git-index-pack -o bad.idx test-3.pack'
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_done
|
