3 # Copyright (c) 2005 Junio C Hamano
6 test_description='git pack-object
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 test-genrandom "seed a" 2097152 > a_big &&
20 test-genrandom "seed b" 2097152 > b_big &&
21 git update-index --add a a_big b b_big c &&
22 cat c >d && echo foo >>d && git update-index --add d &&
23 tree=$(git write-tree) &&
24 commit=$(git commit-tree $tree </dev/null) && {
27 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
29 git diff-tree --root -p $commit &&
32 t=$(git cat-file -t $object) &&
33 git cat-file $t $object || return 1
38 'pack without delta' \
39 'packname_1=$(git pack-objects --window=0 test-1 <obj-list)'
42 'pack-objects with bogus arguments' \
43 'test_must_fail git pack-objects --window=0 test-1 blah blah <obj-list'
49 'unpack without delta' \
50 "GIT_OBJECT_DIRECTORY=.git2/objects &&
51 export GIT_OBJECT_DIRECTORY &&
53 git unpack-objects -n <test-1-${packname_1}.pack &&
54 git unpack-objects <test-1-${packname_1}.pack"
56 unset GIT_OBJECT_DIRECTORY
60 'check unpack without delta' \
61 '(cd ../.git && find objects -type f -print) |
64 cmp $path ../.git/$path || {
72 'pack with REF_DELTA' \
74 packname_2=$(git pack-objects test-2 <obj-list)'
80 'unpack with REF_DELTA' \
81 'GIT_OBJECT_DIRECTORY=.git2/objects &&
82 export GIT_OBJECT_DIRECTORY &&
84 git unpack-objects -n <test-2-${packname_2}.pack &&
85 git unpack-objects <test-2-${packname_2}.pack'
87 unset GIT_OBJECT_DIRECTORY
90 'check unpack with REF_DELTA' \
91 '(cd ../.git && find objects -type f -print) |
94 cmp $path ../.git/$path || {
101 test_expect_success \
102 'pack with OFS_DELTA' \
104 packname_3=$(git pack-objects --delta-base-offset test-3 <obj-list)'
109 test_expect_success \
110 'unpack with OFS_DELTA' \
111 'GIT_OBJECT_DIRECTORY=.git2/objects &&
112 export GIT_OBJECT_DIRECTORY &&
114 git unpack-objects -n <test-3-${packname_3}.pack &&
115 git unpack-objects <test-3-${packname_3}.pack'
117 unset GIT_OBJECT_DIRECTORY
119 test_expect_success \
120 'check unpack with OFS_DELTA' \
121 '(cd ../.git && find objects -type f -print) |
124 cmp $path ../.git/$path || {
131 test_expect_success 'compare delta flavors' '
133 defined($_ = -s $_) or die for @ARGV;
134 exit 1 if $ARGV[0] <= $ARGV[1];
135 '\'' test-2-$packname_2.pack test-3-$packname_3.pack
141 test_expect_success \
142 'use packed objects' \
143 'GIT_OBJECT_DIRECTORY=.git2/objects &&
144 export GIT_OBJECT_DIRECTORY &&
146 cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && {
147 git diff-tree --root -p $commit &&
150 t=$(git cat-file -t $object) &&
151 git cat-file $t $object || return 1
156 test_expect_success \
157 'use packed deltified (REF_DELTA) objects' \
158 'GIT_OBJECT_DIRECTORY=.git2/objects &&
159 export GIT_OBJECT_DIRECTORY &&
160 rm -f .git2/objects/pack/test-* &&
161 cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
162 git diff-tree --root -p $commit &&
165 t=$(git cat-file -t $object) &&
166 git cat-file $t $object || return 1
171 test_expect_success \
172 'use packed deltified (OFS_DELTA) objects' \
173 'GIT_OBJECT_DIRECTORY=.git2/objects &&
174 export GIT_OBJECT_DIRECTORY &&
175 rm -f .git2/objects/pack/test-* &&
176 cp test-3-${packname_3}.pack test-3-${packname_3}.idx .git2/objects/pack && {
177 git diff-tree --root -p $commit &&
180 t=$(git cat-file -t $object) &&
181 git cat-file $t $object || return 1
186 unset GIT_OBJECT_DIRECTORY
188 test_expect_success 'survive missing objects/pack directory' '
190 rm -fr missing-pack &&
191 mkdir missing-pack &&
194 GOP=.git/objects/pack
196 git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
197 test -f $GOP/pack-${packname_3}.pack &&
198 cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
199 test -f $GOP/pack-${packname_3}.idx &&
200 cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
201 test -f $GOP/pack-${packname_3}.keep
205 test_expect_success \
207 'git verify-pack test-1-${packname_1}.idx \
208 test-2-${packname_2}.idx \
209 test-3-${packname_3}.idx'
211 test_expect_success \
213 'git verify-pack -v test-1-${packname_1}.idx \
214 test-2-${packname_2}.idx \
215 test-3-${packname_3}.idx'
217 test_expect_success \
218 'verify-pack catches mismatched .idx and .pack files' \
219 'cat test-1-${packname_1}.idx >test-3.idx &&
220 cat test-2-${packname_2}.pack >test-3.pack &&
221 if git verify-pack test-3.idx
226 test_expect_success \
227 'verify-pack catches a corrupted pack signature' \
228 'cat test-1-${packname_1}.pack >test-3.pack &&
229 echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
230 if git verify-pack test-3.idx
235 test_expect_success \
236 'verify-pack catches a corrupted pack version' \
237 'cat test-1-${packname_1}.pack >test-3.pack &&
238 echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
239 if git verify-pack test-3.idx
244 test_expect_success \
245 'verify-pack catches a corrupted type/size of the 1st packed object data' \
246 'cat test-1-${packname_1}.pack >test-3.pack &&
247 echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
248 if git verify-pack test-3.idx
253 test_expect_success \
254 'verify-pack catches a corrupted sum of the index file itself' \
255 'l=$(wc -c <test-3.idx) &&
257 cat test-1-${packname_1}.pack >test-3.pack &&
258 printf "%20s" "" | dd of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
259 if git verify-pack test-3.pack
264 test_expect_success \
265 'build pack index for an existing pack' \
266 'cat test-1-${packname_1}.pack >test-3.pack &&
267 git index-pack -o tmp.idx test-3.pack &&
268 cmp tmp.idx test-1-${packname_1}.idx &&
270 git index-pack test-3.pack &&
271 cmp test-3.idx test-1-${packname_1}.idx &&
273 cat test-2-${packname_2}.pack >test-3.pack &&
274 git index-pack -o tmp.idx test-2-${packname_2}.pack &&
275 cmp tmp.idx test-2-${packname_2}.idx &&
277 git index-pack test-3.pack &&
278 cmp test-3.idx test-2-${packname_2}.idx &&
280 cat test-3-${packname_3}.pack >test-3.pack &&
281 git index-pack -o tmp.idx test-3-${packname_3}.pack &&
282 cmp tmp.idx test-3-${packname_3}.idx &&
284 git index-pack test-3.pack &&
285 cmp test-3.idx test-3-${packname_3}.idx &&
287 cat test-1-${packname_1}.pack >test-4.pack &&
289 git index-pack --keep=why test-4.pack &&
290 cmp test-1-${packname_1}.idx test-4.idx &&
291 test -f test-4.keep &&
295 test_expect_success 'unpacking with --strict' '
297 for j in a b c d e f g
299 for i in 0 1 2 3 4 5 6 7 8 9
301 o=$(echo $j$i | git hash-object -w --stdin) &&
302 echo "100644 $o 0 $j$i"
306 git update-index --index-info <LIST &&
307 LIST=$(git write-tree) &&
309 head -n 10 LIST | git update-index --index-info &&
310 LI=$(git write-tree) &&
312 tail -n 10 LIST | git update-index --index-info &&
313 ST=$(git write-tree) &&
314 PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
315 git pack-objects test-5 ) &&
320 ) | git pack-objects test-6 ) &&
321 test_create_repo test-5 &&
324 git unpack-objects --strict <../test-5-$PACK5.pack &&
325 git ls-tree -r $LIST &&
326 git ls-tree -r $LI &&
329 test_create_repo test-6 &&
331 # tree-only into empty repo -- many unreachables
333 test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
336 # already populated -- no unreachables
338 git unpack-objects --strict <../test-6-$PACK6.pack
342 test_expect_success 'index-pack with --strict' '
344 for j in a b c d e f g
346 for i in 0 1 2 3 4 5 6 7 8 9
348 o=$(echo $j$i | git hash-object -w --stdin) &&
349 echo "100644 $o 0 $j$i"
353 git update-index --index-info <LIST &&
354 LIST=$(git write-tree) &&
356 head -n 10 LIST | git update-index --index-info &&
357 LI=$(git write-tree) &&
359 tail -n 10 LIST | git update-index --index-info &&
360 ST=$(git write-tree) &&
361 PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
362 git pack-objects test-5 ) &&
367 ) | git pack-objects test-6 ) &&
368 test_create_repo test-7 &&
371 git index-pack --strict --stdin <../test-5-$PACK5.pack &&
372 git ls-tree -r $LIST &&
373 git ls-tree -r $LI &&
376 test_create_repo test-8 &&
378 # tree-only into empty repo -- many unreachables
380 test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
383 # already populated -- no unreachables
385 git index-pack --strict --stdin <../test-6-$PACK6.pack
389 test_expect_success 'honor pack.packSizeLimit' '
390 git config pack.packSizeLimit 3m &&
391 packname_10=$(git pack-objects test-10 <obj-list) &&
392 test 2 = $(ls test-10-*.pack | wc -l)
395 test_expect_success 'verify resulting packs' '
396 git verify-pack test-10-*.pack
399 test_expect_success 'tolerate packsizelimit smaller than biggest object' '
400 git config pack.packSizeLimit 1 &&
401 packname_11=$(git pack-objects test-11 <obj-list) &&
402 test 5 = $(ls test-11-*.pack | wc -l)
405 test_expect_success 'verify resulting packs' '
406 git verify-pack test-11-*.pack
409 test_expect_success 'set up pack for non-repo tests' '
410 # make sure we have a pack with no matching index file
411 cp test-1-*.pack foo.pack
414 test_expect_success 'index-pack --stdin complains of non-repo' '
415 nongit test_must_fail git index-pack --stdin <foo.pack &&
416 test_path_is_missing non-repo/.git
419 test_expect_success 'index-pack <pack> works in non-repo' '
420 nongit git index-pack ../foo.pack &&
421 test_path_is_file foo.idx
427 # The following test is destructive. Please keep the next
428 # two tests at the end of this file.
431 test_expect_success \
432 'fake a SHA1 hash collision' \
433 'test -f .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67 &&
434 cp -f .git/objects/9d/235ed07cd19811a6ceb342de82f190e49c9f68 \
435 .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67'
437 test_expect_success \
438 'make sure index-pack detects the SHA1 collision' \
439 'test_must_fail git index-pack -o bad.idx test-3.pack 2>msg &&
440 test_i18ngrep "SHA1 COLLISION FOUND" msg'
442 test_expect_success \
443 'make sure index-pack detects the SHA1 collision (large blobs)' \
444 'test_must_fail git -c core.bigfilethreshold=1 index-pack -o bad.idx test-3.pack 2>msg &&
445 test_i18ngrep "SHA1 COLLISION FOUND" msg'