Merge branch 'bc/hash-independent-tests'
[git/git.git] / t / t5300-pack-object.sh
CommitLineData
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1#!/bin/sh
2#
3# Copyright (c) 2005 Junio C Hamano
4#
5
3604e7c5 6test_description='git pack-object
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7
8'
9. ./test-lib.sh
10
d6cd9ac9 11TRASH=$(pwd)
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12
13test_expect_success \
14 'setup' \
a48fcd83 15 'rm -f .git/index* &&
94221d22
JK
16 perl -e "print \"a\" x 4096;" > a &&
17 perl -e "print \"b\" x 4096;" > b &&
18 perl -e "print \"c\" x 4096;" > c &&
c680668d
NTND
19 test-tool genrandom "seed a" 2097152 > a_big &&
20 test-tool genrandom "seed b" 2097152 > b_big &&
07cf0f24 21 git update-index --add a a_big b b_big c &&
5be60078 22 cat c >d && echo foo >>d && git update-index --add d &&
d6cd9ac9
EP
23 tree=$(git write-tree) &&
24 commit=$(git commit-tree $tree </dev/null) && {
8ee378a0 25 echo $tree &&
1f688557 26 echo $commit &&
5be60078 27 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
1f688557 28 } >obj-list && {
5be60078 29 git diff-tree --root -p $commit &&
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30 while read object
31 do
d6cd9ac9 32 t=$(git cat-file -t $object) &&
5be60078 33 git cat-file $t $object || return 1
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34 done <obj-list
35 } >expect'
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36
37test_expect_success \
38 'pack without delta' \
5be60078 39 'packname_1=$(git pack-objects --window=0 test-1 <obj-list)'
8ee378a0 40
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NTND
41test_expect_success \
42 'pack-objects with bogus arguments' \
43 'test_must_fail git pack-objects --window=0 test-1 blah blah <obj-list'
44
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45rm -fr .git2
46mkdir .git2
47
48test_expect_success \
49 'unpack without delta' \
a61eea6a 50 "GIT_OBJECT_DIRECTORY=.git2/objects &&
8ee378a0 51 export GIT_OBJECT_DIRECTORY &&
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52 git init &&
53 git unpack-objects -n <test-1-${packname_1}.pack &&
54 git unpack-objects <test-1-${packname_1}.pack"
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55
56unset GIT_OBJECT_DIRECTORY
f07a5241 57cd "$TRASH/.git2"
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58
59test_expect_success \
60 'check unpack without delta' \
61 '(cd ../.git && find objects -type f -print) |
62 while read path
63 do
64 cmp $path ../.git/$path || {
65 echo $path differs.
4d9d62fa 66 return 1
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67 }
68 done'
f07a5241 69cd "$TRASH"
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70
71test_expect_success \
ac527b0b 72 'pack with REF_DELTA' \
8ee378a0 73 'pwd &&
5be60078 74 packname_2=$(git pack-objects test-2 <obj-list)'
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75
76rm -fr .git2
77mkdir .git2
78
79test_expect_success \
ac527b0b 80 'unpack with REF_DELTA' \
8ee378a0
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81 'GIT_OBJECT_DIRECTORY=.git2/objects &&
82 export GIT_OBJECT_DIRECTORY &&
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83 git init &&
84 git unpack-objects -n <test-2-${packname_2}.pack &&
85 git unpack-objects <test-2-${packname_2}.pack'
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86
87unset GIT_OBJECT_DIRECTORY
f07a5241 88cd "$TRASH/.git2"
8ee378a0 89test_expect_success \
ac527b0b 90 'check unpack with REF_DELTA' \
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91 '(cd ../.git && find objects -type f -print) |
92 while read path
93 do
94 cmp $path ../.git/$path || {
95 echo $path differs.
4d9d62fa 96 return 1
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97 }
98 done'
f07a5241 99cd "$TRASH"
8ee378a0 100
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NP
101test_expect_success \
102 'pack with OFS_DELTA' \
103 'pwd &&
5be60078 104 packname_3=$(git pack-objects --delta-base-offset test-3 <obj-list)'
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NP
105
106rm -fr .git2
107mkdir .git2
108
109test_expect_success \
110 'unpack with OFS_DELTA' \
111 'GIT_OBJECT_DIRECTORY=.git2/objects &&
112 export GIT_OBJECT_DIRECTORY &&
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113 git init &&
114 git unpack-objects -n <test-3-${packname_3}.pack &&
115 git unpack-objects <test-3-${packname_3}.pack'
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NP
116
117unset GIT_OBJECT_DIRECTORY
118cd "$TRASH/.git2"
119test_expect_success \
120 'check unpack with OFS_DELTA' \
121 '(cd ../.git && find objects -type f -print) |
122 while read path
123 do
124 cmp $path ../.git/$path || {
125 echo $path differs.
126 return 1
127 }
128 done'
129cd "$TRASH"
130
d93f7c18 131test_expect_success 'compare delta flavors' '
94221d22 132 perl -e '\''
d93f7c18
AL
133 defined($_ = -s $_) or die for @ARGV;
134 exit 1 if $ARGV[0] <= $ARGV[1];
135 '\'' test-2-$packname_2.pack test-3-$packname_3.pack
136'
ac527b0b 137
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138rm -fr .git2
139mkdir .git2
140
141test_expect_success \
142 'use packed objects' \
143 'GIT_OBJECT_DIRECTORY=.git2/objects &&
144 export GIT_OBJECT_DIRECTORY &&
5be60078 145 git init &&
a61eea6a 146 cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && {
5be60078 147 git diff-tree --root -p $commit &&
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148 while read object
149 do
d6cd9ac9 150 t=$(git cat-file -t $object) &&
5be60078 151 git cat-file $t $object || return 1
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152 done <obj-list
153 } >current &&
ce1a0473 154 cmp expect current'
1f688557 155
1f688557 156test_expect_success \
ac527b0b 157 'use packed deltified (REF_DELTA) objects' \
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158 'GIT_OBJECT_DIRECTORY=.git2/objects &&
159 export GIT_OBJECT_DIRECTORY &&
a5878961 160 rm -f .git2/objects/pack/test-* &&
a61eea6a 161 cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
5be60078 162 git diff-tree --root -p $commit &&
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163 while read object
164 do
d6cd9ac9 165 t=$(git cat-file -t $object) &&
5be60078 166 git cat-file $t $object || return 1
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167 done <obj-list
168 } >current &&
ce1a0473 169 cmp expect current'
1f688557 170
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NP
171test_expect_success \
172 'use packed deltified (OFS_DELTA) objects' \
173 'GIT_OBJECT_DIRECTORY=.git2/objects &&
174 export GIT_OBJECT_DIRECTORY &&
a5878961 175 rm -f .git2/objects/pack/test-* &&
ac527b0b 176 cp test-3-${packname_3}.pack test-3-${packname_3}.idx .git2/objects/pack && {
5be60078 177 git diff-tree --root -p $commit &&
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178 while read object
179 do
d6cd9ac9 180 t=$(git cat-file -t $object) &&
5be60078 181 git cat-file $t $object || return 1
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182 done <obj-list
183 } >current &&
ce1a0473 184 cmp expect current'
ac527b0b 185
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186unset GIT_OBJECT_DIRECTORY
187
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188test_expect_success 'survive missing objects/pack directory' '
189 (
190 rm -fr missing-pack &&
191 mkdir missing-pack &&
192 cd missing-pack &&
193 git init &&
194 GOP=.git/objects/pack
195 rm -fr $GOP &&
196 git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
197 test -f $GOP/pack-${packname_3}.pack &&
ce1a0473 198 cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
6e180cdc 199 test -f $GOP/pack-${packname_3}.idx &&
ce1a0473 200 cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
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201 test -f $GOP/pack-${packname_3}.keep
202 )
203'
204
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205test_expect_success \
206 'verify pack' \
5be60078 207 'git verify-pack test-1-${packname_1}.idx \
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208 test-2-${packname_2}.idx \
209 test-3-${packname_3}.idx'
f9253394 210
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211test_expect_success \
212 'verify pack -v' \
213 'git verify-pack -v test-1-${packname_1}.idx \
214 test-2-${packname_2}.idx \
215 test-3-${packname_3}.idx'
216
f9253394 217test_expect_success \
63405283 218 'verify-pack catches mismatched .idx and .pack files' \
a5878961
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219 'cat test-1-${packname_1}.idx >test-3.idx &&
220 cat test-2-${packname_2}.pack >test-3.pack &&
5be60078 221 if git verify-pack test-3.idx
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222 then false
223 else :;
63405283 224 fi'
f9253394 225
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226test_expect_success \
227 'verify-pack catches a corrupted pack signature' \
228 'cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6 229 echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
5be60078 230 if git verify-pack test-3.idx
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231 then false
232 else :;
63405283 233 fi'
f9253394 234
63405283
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235test_expect_success \
236 'verify-pack catches a corrupted pack version' \
237 'cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6 238 echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
5be60078 239 if git verify-pack test-3.idx
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240 then false
241 else :;
63405283 242 fi'
f9253394 243
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244test_expect_success \
245 'verify-pack catches a corrupted type/size of the 1st packed object data' \
246 'cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6 247 echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
5be60078 248 if git verify-pack test-3.idx
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249 then false
250 else :;
63405283 251 fi'
f9253394 252
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253test_expect_success \
254 'verify-pack catches a corrupted sum of the index file itself' \
d6cd9ac9
EP
255 'l=$(wc -c <test-3.idx) &&
256 l=$(expr $l - 20) &&
a5878961 257 cat test-1-${packname_1}.pack >test-3.pack &&
b689ccf6 258 printf "%20s" "" | dd of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
5be60078 259 if git verify-pack test-3.pack
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260 then false
261 else :;
63405283 262 fi'
f9253394 263
9cf6d335
SV
264test_expect_success \
265 'build pack index for an existing pack' \
a5878961 266 'cat test-1-${packname_1}.pack >test-3.pack &&
3604e7c5 267 git index-pack -o tmp.idx test-3.pack &&
9cf6d335
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268 cmp tmp.idx test-1-${packname_1}.idx &&
269
3604e7c5 270 git index-pack test-3.pack &&
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271 cmp test-3.idx test-1-${packname_1}.idx &&
272
a5878961 273 cat test-2-${packname_2}.pack >test-3.pack &&
3604e7c5 274 git index-pack -o tmp.idx test-2-${packname_2}.pack &&
9cf6d335
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275 cmp tmp.idx test-2-${packname_2}.idx &&
276
3604e7c5 277 git index-pack test-3.pack &&
9cf6d335
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278 cmp test-3.idx test-2-${packname_2}.idx &&
279
a5878961 280 cat test-3-${packname_3}.pack >test-3.pack &&
3604e7c5 281 git index-pack -o tmp.idx test-3-${packname_3}.pack &&
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282 cmp tmp.idx test-3-${packname_3}.idx &&
283
3604e7c5 284 git index-pack test-3.pack &&
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285 cmp test-3.idx test-3-${packname_3}.idx &&
286
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287 cat test-1-${packname_1}.pack >test-4.pack &&
288 rm -f test-4.keep &&
289 git index-pack --keep=why test-4.pack &&
290 cmp test-1-${packname_1}.idx test-4.idx &&
291 test -f test-4.keep &&
292
9cf6d335
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293 :'
294
f2898cfa 295test_expect_success 'unpacking with --strict' '
c0e809e5 296
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297 for j in a b c d e f g
298 do
299 for i in 0 1 2 3 4 5 6 7 8 9
300 do
301 o=$(echo $j$i | git hash-object -w --stdin) &&
302 echo "100644 $o 0 $j$i"
303 done
304 done >LIST &&
305 rm -f .git/index &&
306 git update-index --index-info <LIST &&
307 LIST=$(git write-tree) &&
308 rm -f .git/index &&
309 head -n 10 LIST | git update-index --index-info &&
310 LI=$(git write-tree) &&
311 rm -f .git/index &&
312 tail -n 10 LIST | git update-index --index-info &&
313 ST=$(git write-tree) &&
a4d4e32a
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314 git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
315 PACK5=$( git pack-objects test-5 <actual ) &&
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316 PACK6=$( (
317 echo "$LIST"
318 echo "$LI"
319 echo "$ST"
320 ) | git pack-objects test-6 ) &&
321 test_create_repo test-5 &&
322 (
323 cd test-5 &&
324 git unpack-objects --strict <../test-5-$PACK5.pack &&
325 git ls-tree -r $LIST &&
326 git ls-tree -r $LI &&
327 git ls-tree -r $ST
328 ) &&
329 test_create_repo test-6 &&
330 (
331 # tree-only into empty repo -- many unreachables
332 cd test-6 &&
333 test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
334 ) &&
335 (
336 # already populated -- no unreachables
337 cd test-5 &&
338 git unpack-objects --strict <../test-6-$PACK6.pack
339 )
340'
341
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MK
342test_expect_success 'index-pack with --strict' '
343
344 for j in a b c d e f g
345 do
346 for i in 0 1 2 3 4 5 6 7 8 9
347 do
348 o=$(echo $j$i | git hash-object -w --stdin) &&
349 echo "100644 $o 0 $j$i"
350 done
351 done >LIST &&
352 rm -f .git/index &&
353 git update-index --index-info <LIST &&
354 LIST=$(git write-tree) &&
355 rm -f .git/index &&
356 head -n 10 LIST | git update-index --index-info &&
357 LI=$(git write-tree) &&
358 rm -f .git/index &&
359 tail -n 10 LIST | git update-index --index-info &&
360 ST=$(git write-tree) &&
a4d4e32a
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361 git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
362 PACK5=$( git pack-objects test-5 <actual ) &&
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MK
363 PACK6=$( (
364 echo "$LIST"
365 echo "$LI"
366 echo "$ST"
367 ) | git pack-objects test-6 ) &&
368 test_create_repo test-7 &&
369 (
370 cd test-7 &&
371 git index-pack --strict --stdin <../test-5-$PACK5.pack &&
372 git ls-tree -r $LIST &&
373 git ls-tree -r $LI &&
374 git ls-tree -r $ST
375 ) &&
376 test_create_repo test-8 &&
377 (
378 # tree-only into empty repo -- many unreachables
379 cd test-8 &&
380 test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
381 ) &&
382 (
383 # already populated -- no unreachables
384 cd test-7 &&
385 git index-pack --strict --stdin <../test-6-$PACK6.pack
386 )
387'
388
2fca19fb 389test_expect_success 'honor pack.packSizeLimit' '
07cf0f24 390 git config pack.packSizeLimit 3m &&
2fca19fb 391 packname_10=$(git pack-objects test-10 <obj-list) &&
07cf0f24 392 test 2 = $(ls test-10-*.pack | wc -l)
2fca19fb
NP
393'
394
395test_expect_success 'verify resulting packs' '
396 git verify-pack test-10-*.pack
397'
398
07cf0f24
NP
399test_expect_success 'tolerate packsizelimit smaller than biggest object' '
400 git config pack.packSizeLimit 1 &&
2fca19fb 401 packname_11=$(git pack-objects test-11 <obj-list) &&
720c9f7b 402 test 5 = $(ls test-11-*.pack | wc -l)
a1e4760f
NP
403'
404
2fca19fb
NP
405test_expect_success 'verify resulting packs' '
406 git verify-pack test-11-*.pack
407'
408
7176a314
JK
409test_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
412'
413
414test_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
417'
418
419test_expect_success 'index-pack <pack> works in non-repo' '
420 nongit git index-pack ../foo.pack &&
421 test_path_is_file foo.idx
422'
423
967a3eaf
ÆAB
424test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'index-pack --threads=N or pack.threads=N warns when no pthreads' '
425 test_must_fail git index-pack --threads=2 2>err &&
426 grep ^warning: err >warnings &&
427 test_line_count = 1 warnings &&
428 grep -F "no threads support, ignoring --threads=2" err &&
429
430 test_must_fail git -c pack.threads=2 index-pack 2>err &&
431 grep ^warning: err >warnings &&
432 test_line_count = 1 warnings &&
433 grep -F "no threads support, ignoring pack.threads" err &&
434
435 test_must_fail git -c pack.threads=2 index-pack --threads=4 2>err &&
436 grep ^warning: err >warnings &&
437 test_line_count = 2 warnings &&
438 grep -F "no threads support, ignoring --threads=4" err &&
439 grep -F "no threads support, ignoring pack.threads" err
440'
441
442test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'pack-objects --threads=N or pack.threads=N warns when no pthreads' '
443 git pack-objects --threads=2 --stdout --all </dev/null >/dev/null 2>err &&
444 grep ^warning: err >warnings &&
445 test_line_count = 1 warnings &&
446 grep -F "no threads support, ignoring --threads" err &&
447
448 git -c pack.threads=2 pack-objects --stdout --all </dev/null >/dev/null 2>err &&
449 grep ^warning: err >warnings &&
2e96d815 450 test_line_count = 1 warnings &&
967a3eaf
ÆAB
451 grep -F "no threads support, ignoring pack.threads" err &&
452
453 git -c pack.threads=2 pack-objects --threads=4 --stdout --all </dev/null >/dev/null 2>err &&
454 grep ^warning: err >warnings &&
455 test_line_count = 2 warnings &&
456 grep -F "no threads support, ignoring --threads" err &&
457 grep -F "no threads support, ignoring pack.threads" err
458'
459
43fa44fa
NTND
460test_expect_success 'pack-objects in too-many-packs mode' '
461 GIT_TEST_FULL_IN_PACK_ARRAY=1 git repack -ad &&
462 git fsck
463'
464
2fca19fb
NP
465#
466# WARNING!
467#
468# The following test is destructive. Please keep the next
469# two tests at the end of this file.
470#
471
472test_expect_success \
473 'fake a SHA1 hash collision' \
eea253bf 474 'long_a=$(git hash-object a | sed -e "s!^..!&/!") &&
475 long_b=$(git hash-object b | sed -e "s!^..!&/!") &&
476 test -f .git/objects/$long_b &&
477 cp -f .git/objects/$long_a \
478 .git/objects/$long_b'
2fca19fb
NP
479
480test_expect_success \
481 'make sure index-pack detects the SHA1 collision' \
482 'test_must_fail git index-pack -o bad.idx test-3.pack 2>msg &&
9aa98efc 483 test_i18ngrep "SHA1 COLLISION FOUND" msg'
2fca19fb 484
4614043c
NTND
485test_expect_success \
486 'make sure index-pack detects the SHA1 collision (large blobs)' \
487 'test_must_fail git -c core.bigfilethreshold=1 index-pack -o bad.idx test-3.pack 2>msg &&
9aa98efc 488 test_i18ngrep "SHA1 COLLISION FOUND" msg'
4614043c 489
8ee378a0 490test_done