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test-ref-store: remove force-create argument for create-reflog
[thirdparty/git.git] / t / t5319-multi-pack-index.sh
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a3407730
DS		 1#!/bin/sh
2
3test_description='multi-pack-indexes'
4. ./test-lib.sh
5
52fe41ff 6GIT_TEST_MULTI_PACK_INDEX=0
c4d25228
DS		 7objdir=.git/objects
8
d9607542
DS		 9HASH_LEN=$(test_oid rawsz)
10
4d80560c 11midx_read_expect () {
396f2570 12 NUM_PACKS=$1
d7cacf29 13 NUM_OBJECTS=$2
662148c4
DS		 14 NUM_CHUNKS=$3
15 OBJECT_DIR=$4
16 EXTRA_CHUNKS="$5"
3227565c
DS		 17 {
18 cat <<-EOF &&
d9607542 19 header: 4d494458 1 $HASH_LEN $NUM_CHUNKS $NUM_PACKS
662148c4 20 chunks: pack-names oid-fanout oid-lookup object-offsets$EXTRA_CHUNKS
d7cacf29 21 num_objects: $NUM_OBJECTS
3227565c
DS		 22 packs:
23 EOF
24 if test $NUM_PACKS -ge 1
25 then
662148c4 26 ls $OBJECT_DIR/pack/ | grep idx | sort
3227565c 27 fi &&
662148c4 28 printf "object-dir: $OBJECT_DIR\n"
3227565c 29 } >expect &&
662148c4 30 test-tool read-midx $OBJECT_DIR >actual &&
4d80560c
DS		 31 test_cmp expect actual
32}
33
3c5e65ca 34test_expect_success 'setup' '
3c5e65ca 35 test_oid_cache <<-EOF
36 idxoff sha1:2999
37 idxoff sha256:3739
38
39 packnameoff sha1:652
40 packnameoff sha256:940
41
42 fanoutoff sha1:1
43 fanoutoff sha256:3
44 EOF
45'
46
796d61cd
DR		 47test_expect_success "don't write midx with no packs" '
48 test_must_fail git multi-pack-index --object-dir=. write &&
49 test_path_is_missing pack/multi-pack-index
50'
51
d9607542 52test_expect_success SHA1 'warn if a midx contains no oid' '
796d61cd
DR		 53 cp "$TEST_DIRECTORY"/t5319/no-objects.midx $objdir/pack/multi-pack-index &&
54 test_must_fail git multi-pack-index verify &&
55 rm $objdir/pack/multi-pack-index
a3407730
DS		 56'
57
2c381335
DS		 58generate_objects () {
59 i=$1
60 iii=$(printf '%03i' $i)
61 {
62 test-tool genrandom "bar" 200 &&
63 test-tool genrandom "baz $iii" 50
64 } >wide_delta_$iii &&
65 {
66 test-tool genrandom "foo"$i 100 &&
67 test-tool genrandom "foo"$(( $i + 1 )) 100 &&
68 test-tool genrandom "foo"$(( $i + 2 )) 100
69 } >deep_delta_$iii &&
70 {
71 echo $iii &&
72 test-tool genrandom "$iii" 8192
73 } >file_$iii &&
74 git update-index --add file_$iii deep_delta_$iii wide_delta_$iii
75}
76
77commit_and_list_objects () {
78 {
79 echo 101 &&
80 test-tool genrandom 100 8192;
81 } >file_101 &&
82 git update-index --add file_101 &&
83 tree=$(git write-tree) &&
84 commit=$(git commit-tree $tree -p HEAD</dev/null) &&
85 {
86 echo $tree &&
87 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
88 } >obj-list &&
89 git reset --hard $commit
90}
91
92test_expect_success 'create objects' '
93 test_commit initial &&
94 for i in $(test_seq 1 5)
95 do
96 generate_objects $i
97 done &&
98 commit_and_list_objects
99'
100
101test_expect_success 'write midx with one v1 pack' '
c4d25228
DS		 102 pack=$(git pack-objects --index-version=1 $objdir/pack/test <obj-list) &&
103 test_when_finished rm $objdir/pack/test-$pack.pack \
104 $objdir/pack/test-$pack.idx $objdir/pack/multi-pack-index &&
105 git multi-pack-index --object-dir=$objdir write &&
106 midx_read_expect 1 18 4 $objdir
2c381335
DS		 107'
108
c4d25228 109midx_git_two_modes () {
b4a14394
JK		 110 git -c core.multiPackIndex=false $1 >expect &&
111 git -c core.multiPackIndex=true $1 >actual &&
e9ab2ed7
DS		 112 if [ "$2" = "sorted" ]
113 then
b4a14394
JK		 114 sort <expect >expect.sorted &&
115 mv expect.sorted expect &&
116 sort <actual >actual.sorted &&
117 mv actual.sorted actual
e9ab2ed7 118 fi &&
c4d25228
DS		 119 test_cmp expect actual
120}
121
122compare_results_with_midx () {
123 MSG=$1
124 test_expect_success "check normal git operations: $MSG" '
125 midx_git_two_modes "rev-list --objects --all" &&
e9ab2ed7
DS		 126 midx_git_two_modes "log --raw" &&
127 midx_git_two_modes "count-objects --verbose" &&
5670ad98
JK		 128 midx_git_two_modes "cat-file --batch-all-objects --batch-check" &&
129 midx_git_two_modes "cat-file --batch-all-objects --batch-check --unordered" sorted
c4d25228
DS		 130 '
131}
132
2c381335 133test_expect_success 'write midx with one v2 pack' '
c4d25228
DS		 134 git pack-objects --index-version=2,0x40 $objdir/pack/test <obj-list &&
135 git multi-pack-index --object-dir=$objdir write &&
136 midx_read_expect 1 18 4 $objdir
2c381335
DS		 137'
138
c4d25228
DS		 139compare_results_with_midx "one v2 pack"
140
c8a45eb6 141test_expect_success 'corrupt idx reports errors' '
fc789156
JK		 142 idx=$(test-tool read-midx $objdir | grep "\.idx\$") &&
143 mv $objdir/pack/$idx backup-$idx &&
144 test_when_finished "mv backup-\$idx \$objdir/pack/\$idx" &&
145
146 # This is the minimum size for a sha-1 based .idx; this lets
147 # us pass perfunctory tests, but anything that actually opens and reads
148 # the idx file will complain.
149 test_copy_bytes 1064 <backup-$idx >$objdir/pack/$idx &&
150
151 git -c core.multiPackIndex=true rev-list --objects --all 2>err &&
c8a45eb6 152 grep "index unavailable" err
fc789156
JK		 153'
154
2c381335
DS		 155test_expect_success 'add more objects' '
156 for i in $(test_seq 6 10)
157 do
158 generate_objects $i
159 done &&
160 commit_and_list_objects
161'
162
163test_expect_success 'write midx with two packs' '
c4d25228
DS		 164 git pack-objects --index-version=1 $objdir/pack/test-2 <obj-list &&
165 git multi-pack-index --object-dir=$objdir write &&
166 midx_read_expect 2 34 4 $objdir
2c381335
DS		 167'
168
c4d25228
DS		 169compare_results_with_midx "two packs"
170
6fb22ca4
TB		 171test_expect_success 'write midx with --stdin-packs' '
172 rm -fr $objdir/pack/multi-pack-index &&
173
174 idx="$(find $objdir/pack -name "test-2-*.idx")" &&
175 basename "$idx" >in &&
176
177 git multi-pack-index write --stdin-packs <in &&
178
179 test-tool read-midx $objdir | grep "\.idx$" >packs &&
180
181 test_cmp packs in
182'
183
184compare_results_with_midx "mixed mode (one pack + extra)"
185
680cba2c
WB		 186test_expect_success 'write progress off for redirected stderr' '
187 git multi-pack-index --object-dir=$objdir write 2>err &&
188 test_line_count = 0 err
189'
190
191test_expect_success 'write force progress on for stderr' '
0394f8d0 192 GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir write --progress 2>err &&
680cba2c
WB		 193 test_file_not_empty err
194'
195
196test_expect_success 'write with the --no-progress option' '
0394f8d0 197 GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir write --no-progress 2>err &&
680cba2c
WB		 198 test_line_count = 0 err
199'
200
2c381335
DS		 201test_expect_success 'add more packs' '
202 for j in $(test_seq 11 20)
203 do
204 generate_objects $j &&
205 commit_and_list_objects &&
c4d25228 206 git pack-objects --index-version=2 $objdir/pack/test-pack <obj-list
2c381335
DS		 207 done
208'
209
c4d25228
DS		 210compare_results_with_midx "mixed mode (two packs + extra)"
211
2c381335 212test_expect_success 'write midx with twelve packs' '
c4d25228
DS		 213 git multi-pack-index --object-dir=$objdir write &&
214 midx_read_expect 12 74 4 $objdir
662148c4
DS		 215'
216
c4d25228
DS		 217compare_results_with_midx "twelve packs"
218
426c00e4
TB		 219test_expect_success 'multi-pack-index *.rev cleanup with --object-dir' '
220 git init repo &&
221 git clone -s repo alternate &&
222
223 test_when_finished "rm -rf repo alternate" &&
224
225 (
226 cd repo &&
227 test_commit base &&
228 git repack -d
229 ) &&
230
231 ours="alternate/.git/objects/pack/multi-pack-index-123.rev" &&
232 theirs="repo/.git/objects/pack/multi-pack-index-abc.rev" &&
233 touch "$ours" "$theirs" &&
234
235 (
236 cd alternate &&
237 git multi-pack-index --object-dir ../repo/.git/objects write
238 ) &&
239
240 # writing a midx in "repo" should not remove the .rev file in the
241 # alternate
242 test_path_is_file repo/.git/objects/pack/multi-pack-index &&
243 test_path_is_file $ours &&
244 test_path_is_missing $theirs
245'
246
d9607542
DS		 247test_expect_success 'warn on improper hash version' '
248 git init --object-format=sha1 sha1 &&
249 (
250 cd sha1 &&
251 git config core.multiPackIndex true &&
252 test_commit 1 &&
253 git repack -a &&
254 git multi-pack-index write &&
255 mv .git/objects/pack/multi-pack-index ../mpi-sha1
256 ) &&
257 git init --object-format=sha256 sha256 &&
258 (
259 cd sha256 &&
260 git config core.multiPackIndex true &&
261 test_commit 1 &&
262 git repack -a &&
263 git multi-pack-index write &&
264 mv .git/objects/pack/multi-pack-index ../mpi-sha256
265 ) &&
266 (
267 cd sha1 &&
268 mv ../mpi-sha256 .git/objects/pack/multi-pack-index &&
269 git log -1 2>err &&
270 test_i18ngrep "multi-pack-index hash version 2 does not match version 1" err
271 ) &&
272 (
273 cd sha256 &&
274 mv ../mpi-sha1 .git/objects/pack/multi-pack-index &&
275 git log -1 2>err &&
276 test_i18ngrep "multi-pack-index hash version 1 does not match version 2" err
277 )
278'
279
9218c6a4
TB		 280test_expect_success 'midx picks objects from preferred pack' '
281 test_when_finished rm -rf preferred.git &&
282 git init --bare preferred.git &&
283 (
284 cd preferred.git &&
285
286 a=$(echo "a" | git hash-object -w --stdin) &&
287 b=$(echo "b" | git hash-object -w --stdin) &&
288 c=$(echo "c" | git hash-object -w --stdin) &&
289
290 # Set up two packs, duplicating the object "B" at different
291 # offsets.
292 #
293 # Note that the "BC" pack (the one we choose as preferred) sorts
294 # lexically after the "AB" pack, meaning that omitting the
295 # --preferred-pack argument would cause this test to fail (since
296 # the MIDX code would select the copy of "b" in the "AB" pack).
297 git pack-objects objects/pack/test-AB <<-EOF &&
298 $a
299 $b
300 EOF
301 bc=$(git pack-objects objects/pack/test-BC <<-EOF
302 $b
303 $c
304 EOF
305 ) &&
306
307 git multi-pack-index --object-dir=objects \
308 write --preferred-pack=test-BC-$bc.idx 2>err &&
309 test_must_be_empty err &&
310
311 test-tool read-midx --show-objects objects >out &&
312
313 ofs=$(git show-index <objects/pack/test-BC-$bc.idx | grep $b |
314 cut -d" " -f1) &&
315 printf "%s %s\tobjects/pack/test-BC-%s.pack\n" \
316 "$b" "$ofs" "$bc" >expect &&
317 grep ^$b out >actual &&
318
319 test_cmp expect actual
320 )
321'
d9607542 322
5d3cd09a
TB		 323test_expect_success 'preferred packs must be non-empty' '
324 test_when_finished rm -rf preferred.git &&
325 git init preferred.git &&
326 (
327 cd preferred.git &&
328
329 test_commit base &&
330 git repack -ad &&
331
332 empty="$(git pack-objects $objdir/pack/pack </dev/null)" &&
333
334 test_must_fail git multi-pack-index write \
335 --preferred-pack=pack-$empty.pack 2>err &&
336 grep "with no objects" err
337 )
338'
339
56ee7ff1
DS		 340test_expect_success 'verify multi-pack-index success' '
341 git multi-pack-index verify --object-dir=$objdir
342'
343
680cba2c
WB		 344test_expect_success 'verify progress off for redirected stderr' '
345 git multi-pack-index verify --object-dir=$objdir 2>err &&
346 test_line_count = 0 err
347'
348
349test_expect_success 'verify force progress on for stderr' '
350 git multi-pack-index verify --object-dir=$objdir --progress 2>err &&
351 test_file_not_empty err
352'
353
354test_expect_success 'verify with the --no-progress option' '
355 git multi-pack-index verify --object-dir=$objdir --no-progress 2>err &&
356 test_line_count = 0 err
357'
358
53ad0407
DS		 359# usage: corrupt_midx_and_verify <pos> <data> <objdir> <string>
360corrupt_midx_and_verify() {
361 POS=$1 &&
362 DATA="${2:-\0}" &&
363 OBJDIR=$3 &&
364 GREPSTR="$4" &&
66ec0390
DS		 365 COMMAND="$5" &&
366 if test -z "$COMMAND"
367 then
368 COMMAND="git multi-pack-index verify --object-dir=$OBJDIR"
369 fi &&
53ad0407
DS		 370 FILE=$OBJDIR/pack/multi-pack-index &&
371 chmod a+w $FILE &&
372 test_when_finished mv midx-backup $FILE &&
373 cp $FILE midx-backup &&
374 printf "$DATA" | dd of="$FILE" bs=1 seek="$POS" conv=notrunc &&
66ec0390 375 test_must_fail $COMMAND 2>test_err &&
53ad0407
DS		 376 grep -v "^+" test_err >err &&
377 test_i18ngrep "$GREPSTR" err
378}
379
380test_expect_success 'verify bad signature' '
381 corrupt_midx_and_verify 0 "\00" $objdir \
382 "multi-pack-index signature"
383'
384
cc6af73c 385NUM_OBJECTS=74
53ad0407
DS		 386MIDX_BYTE_VERSION=4
387MIDX_BYTE_OID_VERSION=5
388MIDX_BYTE_CHUNK_COUNT=6
d3f8e211
DS		 389MIDX_HEADER_SIZE=12
390MIDX_BYTE_CHUNK_ID=$MIDX_HEADER_SIZE
391MIDX_BYTE_CHUNK_OFFSET=$(($MIDX_HEADER_SIZE + 4))
8e72a3c3
DS		 392MIDX_NUM_CHUNKS=5
393MIDX_CHUNK_LOOKUP_WIDTH=12
394MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \
395 $MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH))
396MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2))
3c5e65ca 397MIDX_OFFSET_OID_FANOUT=$(($MIDX_OFFSET_PACKNAMES + $(test_oid packnameoff)))
2f23d3f3 398MIDX_OID_FANOUT_WIDTH=4
3c5e65ca 399MIDX_BYTE_OID_FANOUT_ORDER=$((MIDX_OFFSET_OID_FANOUT + 250 * $MIDX_OID_FANOUT_WIDTH + $(test_oid fanoutoff)))
55c5648d
DS		 400MIDX_OFFSET_OID_LOOKUP=$(($MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH))
401MIDX_BYTE_OID_LOOKUP=$(($MIDX_OFFSET_OID_LOOKUP + 16 * $HASH_LEN))
cc6af73c
DS		 402MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN))
403MIDX_OFFSET_WIDTH=8
404MIDX_BYTE_PACK_INT_ID=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 2))
405MIDX_BYTE_OFFSET=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 6))
53ad0407
DS		 406
407test_expect_success 'verify bad version' '
408 corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \
409 "multi-pack-index version"
410'
411
412test_expect_success 'verify bad OID version' '
d9607542 413 corrupt_midx_and_verify $MIDX_BYTE_OID_VERSION "\03" $objdir \
53ad0407
DS		 414 "hash version"
415'
416
417test_expect_success 'verify truncated chunk count' '
418 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\01" $objdir \
6ab3b8b8 419 "final chunk has non-zero id"
53ad0407
DS		 420'
421
422test_expect_success 'verify extended chunk count' '
423 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\07" $objdir \
6ab3b8b8 424 "terminating chunk id appears earlier than expected"
53ad0407
DS		 425'
426
d3f8e211
DS		 427test_expect_success 'verify missing required chunk' '
428 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_ID "\01" $objdir \
429 "missing required"
430'
431
432test_expect_success 'verify invalid chunk offset' '
433 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_OFFSET "\01" $objdir \
6ab3b8b8 434 "improper chunk offset(s)"
d3f8e211
DS		 435'
436
8e72a3c3
DS		 437test_expect_success 'verify packnames out of order' '
438 corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "z" $objdir \
439 "pack names out of order"
440'
441
d4bf1d88
DS		 442test_expect_success 'verify packnames out of order' '
443 corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "a" $objdir \
444 "failed to load pack"
445'
446
2f23d3f3
DS		 447test_expect_success 'verify oid fanout out of order' '
448 corrupt_midx_and_verify $MIDX_BYTE_OID_FANOUT_ORDER "\01" $objdir \
449 "oid fanout out of order"
450'
451
55c5648d
DS		 452test_expect_success 'verify oid lookup out of order' '
453 corrupt_midx_and_verify $MIDX_BYTE_OID_LOOKUP "\00" $objdir \
454 "oid lookup out of order"
455'
456
cc6af73c
DS		 457test_expect_success 'verify incorrect pack-int-id' '
458 corrupt_midx_and_verify $MIDX_BYTE_PACK_INT_ID "\07" $objdir \
459 "bad pack-int-id"
460'
461
462test_expect_success 'verify incorrect offset' '
235d3cdd 463 corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \
cc6af73c
DS		 464 "incorrect object offset"
465'
466
66ec0390 467test_expect_success 'git-fsck incorrect offset' '
235d3cdd 468 corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \
66ec0390 469 "incorrect object offset" \
dc557087
GC		 470 "git -c core.multiPackIndex=true fsck" &&
471 test_unconfig core.multiPackIndex &&
472 test_must_fail git fsck &&
473 git -c core.multiPackIndex=false fsck
66ec0390
DS		 474'
475
ec1e28ef
TB		 476test_expect_success 'corrupt MIDX is not reused' '
477 corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \
478 "incorrect object offset" &&
479 git multi-pack-index write 2>err &&
480 test_i18ngrep checksum.mismatch err &&
481 git multi-pack-index verify
482'
483
f89ecf79
TB		 484test_expect_success 'verify incorrect checksum' '
485 pos=$(($(wc -c <$objdir/pack/multi-pack-index) - 1)) &&
486 corrupt_midx_and_verify $pos "\377" $objdir "incorrect checksum"
487'
488
680cba2c 489test_expect_success 'repack progress off for redirected stderr' '
efdd2f0d 490 GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir repack 2>err &&
680cba2c
WB		 491 test_line_count = 0 err
492'
493
494test_expect_success 'repack force progress on for stderr' '
0394f8d0 495 GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir repack --progress 2>err &&
680cba2c
WB		 496 test_file_not_empty err
497'
498
499test_expect_success 'repack with the --no-progress option' '
0394f8d0 500 GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir repack --no-progress 2>err &&
680cba2c
WB		 501 test_line_count = 0 err
502'
503
e08f7bb0 504test_expect_success 'repack removes multi-pack-index when deleting packs' '
525e18c0 505 test_path_is_file $objdir/pack/multi-pack-index &&
e08f7bb0
TB		 506 # Set GIT_TEST_MULTI_PACK_INDEX to 0 to avoid writing a new
507 # multi-pack-index after repacking, but set "core.multiPackIndex" to
508 # true so that "git repack" can read the existing MIDX.
509 GIT_TEST_MULTI_PACK_INDEX=0 git -c core.multiPackIndex repack -adf &&
525e18c0
DS		 510 test_path_is_missing $objdir/pack/multi-pack-index
511'
512
e08f7bb0
TB		 513test_expect_success 'repack preserves multi-pack-index when creating packs' '
514 git init preserve &&
515 test_when_finished "rm -fr preserve" &&
516 (
517 cd preserve &&
518 packdir=.git/objects/pack &&
519 midx=$packdir/multi-pack-index &&
520
521 test_commit 1 &&
522 pack1=$(git pack-objects --all $packdir/pack) &&
523 touch $packdir/pack-$pack1.keep &&
524 test_commit 2 &&
525 pack2=$(git pack-objects --revs $packdir/pack) &&
526 touch $packdir/pack-$pack2.keep &&
527
528 git multi-pack-index write &&
529 cp $midx $midx.bak &&
530
531 cat >pack-input <<-EOF &&
532 HEAD
533 ^HEAD~1
534 EOF
535 test_commit 3 &&
536 pack3=$(git pack-objects --revs $packdir/pack <pack-input) &&
537 test_commit 4 &&
538 pack4=$(git pack-objects --revs $packdir/pack <pack-input) &&
539
540 GIT_TEST_MULTI_PACK_INDEX=0 git -c core.multiPackIndex repack -ad &&
541 ls -la $packdir &&
542 test_path_is_file $packdir/pack-$pack1.pack &&
543 test_path_is_file $packdir/pack-$pack2.pack &&
544 test_path_is_missing $packdir/pack-$pack3.pack &&
545 test_path_is_missing $packdir/pack-$pack4.pack &&
546 test_cmp_bin $midx.bak $midx
547 )
548'
549
525e18c0
DS		 550compare_results_with_midx "after repack"
551
e9ab2ed7 552test_expect_success 'multi-pack-index and pack-bitmap' '
e255a5e8
TB		 553 GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
554 git -c repack.writeBitmaps=true repack -ad &&
e9ab2ed7
DS		 555 git multi-pack-index write &&
556 git rev-list --test-bitmap HEAD
557'
558
29e2016b
DS		 559test_expect_success 'multi-pack-index and alternates' '
560 git init --bare alt.git &&
561 echo $(pwd)/alt.git/objects >.git/objects/info/alternates &&
562 echo content1 >file1 &&
563 altblob=$(GIT_DIR=alt.git git hash-object -w file1) &&
564 git cat-file blob $altblob &&
565 git rev-list --all
566'
567
568compare_results_with_midx "with alternate (local midx)"
569
570test_expect_success 'multi-pack-index in an alternate' '
6a22d521
DS		 571 mv .git/objects/pack/* alt.git/objects/pack &&
572 test_commit add_local_objects &&
573 git repack --local &&
574 git multi-pack-index write &&
575 midx_read_expect 1 3 4 $objdir &&
576 git reset --hard HEAD~1 &&
577 rm -f .git/objects/pack/*
29e2016b
DS		 578'
579
580compare_results_with_midx "with alternate (remote midx)"
581
662148c4
DS		 582# usage: corrupt_data <file> <pos> [<data>]
583corrupt_data () {
584 file=$1
585 pos=$2
586 data="${3:-\0}"
587 printf "$data" | dd of="$file" bs=1 seek="$pos" conv=notrunc
588}
589
590# Force 64-bit offsets by manipulating the idx file.
591# This makes the IDX file _incorrect_ so be careful to clean up after!
592test_expect_success 'force some 64-bit offsets with pack-objects' '
593 mkdir objects64 &&
594 mkdir objects64/pack &&
595 for i in $(test_seq 1 11)
596 do
597 generate_objects 11
598 done &&
599 commit_and_list_objects &&
600 pack64=$(git pack-objects --index-version=2,0x40 objects64/pack/test-64 <obj-list) &&
601 idx64=objects64/pack/test-64-$pack64.idx &&
602 chmod u+w $idx64 &&
3c5e65ca 603 corrupt_data $idx64 $(test_oid idxoff) "\02" &&
f57a7396
TB		 604 # objects64 is not a real repository, but can serve as an alternate
605 # anyway so we can write a MIDX into it
606 git init repo &&
607 test_when_finished "rm -fr repo" &&
608 (
609 cd repo &&
610 ( cd ../objects64 && pwd ) >.git/objects/info/alternates &&
611 midx64=$(git multi-pack-index --object-dir=../objects64 write)
612 ) &&
662148c4 613 midx_read_expect 1 63 5 objects64 " large-offsets"
2c381335
DS		 614'
615
56ee7ff1
DS		 616test_expect_success 'verify multi-pack-index with 64-bit offsets' '
617 git multi-pack-index verify --object-dir=objects64
618'
619
cc6af73c
DS		 620NUM_OBJECTS=63
621MIDX_OFFSET_OID_FANOUT=$((MIDX_OFFSET_PACKNAMES + 54))
622MIDX_OFFSET_OID_LOOKUP=$((MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH))
623MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN))
624MIDX_OFFSET_LARGE_OFFSETS=$(($MIDX_OFFSET_OBJECT_OFFSETS + $NUM_OBJECTS * $MIDX_OFFSET_WIDTH))
625MIDX_BYTE_LARGE_OFFSET=$(($MIDX_OFFSET_LARGE_OFFSETS + 3))
626
627test_expect_success 'verify incorrect 64-bit offset' '
628 corrupt_midx_and_verify $MIDX_BYTE_LARGE_OFFSET "\07" objects64 \
629 "incorrect object offset"
630'
631
cff97116
DS		 632test_expect_success 'setup expire tests' '
633 mkdir dup &&
634 (
635 cd dup &&
636 git init &&
637 test-tool genrandom "data" 4096 >large_file.txt &&
638 git update-index --add large_file.txt &&
639 for i in $(test_seq 1 20)
640 do
641 test_commit $i
642 done &&
643 git branch A HEAD &&
644 git branch B HEAD~8 &&
645 git branch C HEAD~13 &&
646 git branch D HEAD~16 &&
647 git branch E HEAD~18 &&
648 git pack-objects --revs .git/objects/pack/pack-A <<-EOF &&
649 refs/heads/A
650 ^refs/heads/B
651 EOF
652 git pack-objects --revs .git/objects/pack/pack-B <<-EOF &&
653 refs/heads/B
654 ^refs/heads/C
655 EOF
656 git pack-objects --revs .git/objects/pack/pack-C <<-EOF &&
657 refs/heads/C
658 ^refs/heads/D
659 EOF
660 git pack-objects --revs .git/objects/pack/pack-D <<-EOF &&
661 refs/heads/D
662 ^refs/heads/E
663 EOF
664 git pack-objects --revs .git/objects/pack/pack-E <<-EOF &&
665 refs/heads/E
666 EOF
2af890bb
DS		 667 git multi-pack-index write &&
668 cp -r .git/objects/pack .git/objects/pack-backup
cff97116
DS		 669 )
670'
671
672test_expect_success 'expire does not remove any packs' '
673 (
674 cd dup &&
675 ls .git/objects/pack >expect &&
676 git multi-pack-index expire &&
677 ls .git/objects/pack >actual &&
678 test_cmp expect actual
679 )
680'
681
680cba2c
WB		 682test_expect_success 'expire progress off for redirected stderr' '
683 (
684 cd dup &&
685 git multi-pack-index expire 2>err &&
686 test_line_count = 0 err
687 )
688'
689
690test_expect_success 'expire force progress on for stderr' '
691 (
692 cd dup &&
0394f8d0 693 GIT_PROGRESS_DELAY=0 git multi-pack-index expire --progress 2>err &&
680cba2c
WB		 694 test_file_not_empty err
695 )
696'
697
698test_expect_success 'expire with the --no-progress option' '
699 (
700 cd dup &&
0394f8d0 701 GIT_PROGRESS_DELAY=0 git multi-pack-index expire --no-progress 2>err &&
680cba2c
WB		 702 test_line_count = 0 err
703 )
704'
705
19575c7c
DS		 706test_expect_success 'expire removes unreferenced packs' '
707 (
708 cd dup &&
709 git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
710 refs/heads/A
711 ^refs/heads/C
712 EOF
713 git multi-pack-index write &&
714 ls .git/objects/pack | grep -v -e pack-[AB] >expect &&
715 git multi-pack-index expire &&
716 ls .git/objects/pack >actual &&
717 test_cmp expect actual &&
718 ls .git/objects/pack/ | grep idx >expect-idx &&
719 test-tool read-midx .git/objects | grep idx >actual-midx &&
720 test_cmp expect-idx actual-midx &&
721 git multi-pack-index verify &&
722 git fsck
723 )
724'
725
2af890bb
DS		 726test_expect_success 'repack with minimum size does not alter existing packs' '
727 (
728 cd dup &&
729 rm -rf .git/objects/pack &&
730 mv .git/objects/pack-backup .git/objects/pack &&
e892a568
DS		 731 test-tool chmtime =-5 .git/objects/pack/pack-D* &&
732 test-tool chmtime =-4 .git/objects/pack/pack-C* &&
733 test-tool chmtime =-3 .git/objects/pack/pack-B* &&
734 test-tool chmtime =-2 .git/objects/pack/pack-A* &&
2af890bb 735 ls .git/objects/pack >expect &&
3612c233 736 MINSIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | head -n 1) &&
2af890bb
DS		 737 git multi-pack-index repack --batch-size=$MINSIZE &&
738 ls .git/objects/pack >actual &&
739 test_cmp expect actual
740 )
741'
742
3ce4ca0a
DS		 743test_expect_success 'repack respects repack.packKeptObjects=false' '
744 test_when_finished rm -f dup/.git/objects/pack/*keep &&
745 (
746 cd dup &&
747 ls .git/objects/pack/*idx >idx-list &&
748 test_line_count = 5 idx-list &&
749 ls .git/objects/pack/*.pack | sed "s/\.pack/.keep/" >keep-list &&
750 test_line_count = 5 keep-list &&
751 for keep in $(cat keep-list)
752 do
753 touch $keep || return 1
754 done &&
755 git multi-pack-index repack --batch-size=0 &&
756 ls .git/objects/pack/*idx >idx-list &&
757 test_line_count = 5 idx-list &&
758 test-tool read-midx .git/objects | grep idx >midx-list &&
759 test_line_count = 5 midx-list &&
760 THIRD_SMALLEST_SIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | sed -n 3p) &&
761 BATCH_SIZE=$((THIRD_SMALLEST_SIZE + 1)) &&
762 git multi-pack-index repack --batch-size=$BATCH_SIZE &&
763 ls .git/objects/pack/*idx >idx-list &&
764 test_line_count = 5 idx-list &&
765 test-tool read-midx .git/objects | grep idx >midx-list &&
766 test_line_count = 5 midx-list
767 )
768'
769
ce1e4a10
DS		 770test_expect_success 'repack creates a new pack' '
771 (
772 cd dup &&
773 ls .git/objects/pack/*idx >idx-list &&
774 test_line_count = 5 idx-list &&
3612c233 775 THIRD_SMALLEST_SIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | head -n 3 | tail -n 1) &&
ce1e4a10
DS		 776 BATCH_SIZE=$(($THIRD_SMALLEST_SIZE + 1)) &&
777 git multi-pack-index repack --batch-size=$BATCH_SIZE &&
778 ls .git/objects/pack/*idx >idx-list &&
779 test_line_count = 6 idx-list &&
780 test-tool read-midx .git/objects | grep idx >midx-list &&
781 test_line_count = 6 midx-list
782 )
783'
784
785test_expect_success 'expire removes repacked packs' '
786 (
787 cd dup &&
788 ls -al .git/objects/pack/*pack &&
789 ls -S .git/objects/pack/*pack | head -n 4 >expect &&
790 git multi-pack-index expire &&
791 ls -S .git/objects/pack/*pack >actual &&
792 test_cmp expect actual &&
793 test-tool read-midx .git/objects | grep idx >midx-list &&
794 test_line_count = 4 midx-list
795 )
796'
797
d2743315
DS		 798test_expect_success 'expire works when adding new packs' '
799 (
800 cd dup &&
801 git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
802 refs/heads/A
803 ^refs/heads/B
804 EOF
805 git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
806 refs/heads/B
807 ^refs/heads/C
808 EOF
809 git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
810 refs/heads/C
811 ^refs/heads/D
812 EOF
813 git multi-pack-index write &&
814 git pack-objects --revs .git/objects/pack/a-pack <<-EOF &&
815 refs/heads/D
816 ^refs/heads/E
817 EOF
818 git multi-pack-index write &&
819 git pack-objects --revs .git/objects/pack/z-pack <<-EOF &&
820 refs/heads/E
821 EOF
822 git multi-pack-index expire &&
823 ls .git/objects/pack/ | grep idx >expect &&
824 test-tool read-midx .git/objects | grep idx >actual &&
825 test_cmp expect actual &&
826 git multi-pack-index verify
827 )
828'
829
10bfa3f7
DS		 830test_expect_success 'expire respects .keep files' '
831 (
832 cd dup &&
833 git pack-objects --revs .git/objects/pack/pack-all <<-EOF &&
834 refs/heads/A
835 EOF
836 git multi-pack-index write &&
837 PACKA=$(ls .git/objects/pack/a-pack*\.pack | sed s/\.pack\$//) &&
838 touch $PACKA.keep &&
839 git multi-pack-index expire &&
35a8a354
TB		 840 test_path_is_file $PACKA.idx &&
841 test_path_is_file $PACKA.keep &&
842 test_path_is_file $PACKA.pack &&
10bfa3f7
DS		 843 test-tool read-midx .git/objects | grep idx >midx-list &&
844 test_line_count = 2 midx-list
845 )
846'
847
b526d8cb 848test_expect_success 'repack --batch-size=0 repacks everything' '
1eb22c7d 849 cp -r dup dup2 &&
b526d8cb
DS		 850 (
851 cd dup &&
852 rm .git/objects/pack/*.keep &&
853 ls .git/objects/pack/*idx >idx-list &&
854 test_line_count = 2 idx-list &&
855 git multi-pack-index repack --batch-size=0 &&
856 ls .git/objects/pack/*idx >idx-list &&
857 test_line_count = 3 idx-list &&
858 test-tool read-midx .git/objects | grep idx >midx-list &&
859 test_line_count = 3 midx-list &&
860 git multi-pack-index expire &&
861 ls -al .git/objects/pack/*idx >idx-list &&
862 test_line_count = 1 idx-list &&
863 git multi-pack-index repack --batch-size=0 &&
864 ls -al .git/objects/pack/*idx >new-idx-list &&
865 test_cmp idx-list new-idx-list
866 )
867'
10bfa3f7 868
1eb22c7d
DS		 869test_expect_success 'repack --batch-size=<large> repacks everything' '
870 (
871 cd dup2 &&
872 rm .git/objects/pack/*.keep &&
873 ls .git/objects/pack/*idx >idx-list &&
874 test_line_count = 2 idx-list &&
875 git multi-pack-index repack --batch-size=2000000 &&
876 ls .git/objects/pack/*idx >idx-list &&
877 test_line_count = 3 idx-list &&
878 test-tool read-midx .git/objects | grep idx >midx-list &&
879 test_line_count = 3 midx-list &&
880 git multi-pack-index expire &&
881 ls -al .git/objects/pack/*idx >idx-list &&
882 test_line_count = 1 idx-list
883 )
884'
885
506ec2fb 886test_expect_success 'load reverse index when missing .idx, .pack' '
c8a45eb6
TB		 887 git init repo &&
888 test_when_finished "rm -fr repo" &&
889 (
890 cd repo &&
891
892 git config core.multiPackIndex true &&
893
894 test_commit base &&
895 git repack -ad &&
896 git multi-pack-index write &&
897
898 git rev-parse HEAD >tip &&
506ec2fb 899 pack=$(ls .git/objects/pack/pack-*.pack) &&
c8a45eb6
TB		 900 idx=$(ls .git/objects/pack/pack-*.idx) &&
901
902 mv $idx $idx.bak &&
506ec2fb
TB		 903 git cat-file --batch-check="%(objectsize:disk)" <tip &&
904
905 mv $idx.bak $idx &&
906
907 mv $pack $pack.bak &&
c8a45eb6
TB		 908 git cat-file --batch-check="%(objectsize:disk)" <tip
909 )
910'
911
88617d11
TB		 912test_expect_success 'usage shown without sub-command' '
913 test_expect_code 129 git multi-pack-index 2>err &&
914 ! test_i18ngrep "unrecognized subcommand" err
915'
916
73ff4ad0
TB		 917test_expect_success 'complains when run outside of a repository' '
918 nongit test_must_fail git multi-pack-index write 2>err &&
919 grep "not a git repository" err
920'
921
a3407730 922test_done
Unnamed repository; edit this file 'description' to name the repository.