t/t5300-pack-object.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 test_description='git pack-object
   7
   8 '
   9 . ./test-lib.sh
  10
  11 test_expect_success 'setup' '
  12         rm -f .git/index* &&
  13         perl -e "print \"a\" x 4096;" >a &&
  14         perl -e "print \"b\" x 4096;" >b &&
  15         perl -e "print \"c\" x 4096;" >c &&
  16         test-tool genrandom "seed a" 2097152 >a_big &&
  17         test-tool genrandom "seed b" 2097152 >b_big &&
  18         git update-index --add a a_big b b_big c &&
  19         cat c >d && echo foo >>d && git update-index --add d &&
  20         tree=$(git write-tree) &&
  21         commit=$(git commit-tree $tree </dev/null) &&
  22         {
  23                 echo $tree &&
  24                 echo $commit &&
  25                 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\)        .*/\\1/"
  26         } >obj-list &&
  27         {
  28                 git diff-tree --root -p $commit &&
  29                 while read object
  30                 do
  31                         t=$(git cat-file -t $object) &&
  32                         git cat-file $t $object || return 1
  33                 done <obj-list
  34         } >expect
  35 '
  36
  37 test_expect_success 'setup pack-object <stdin' '
  38         git init pack-object-stdin &&
  39         test_commit -C pack-object-stdin one &&
  40         test_commit -C pack-object-stdin two
  41
  42 '
  43
  44 test_expect_success 'pack-object <stdin parsing: basic [|--revs]' '
  45         cat >in <<-EOF &&
  46         $(git -C pack-object-stdin rev-parse one)
  47         EOF
  48
  49         git -C pack-object-stdin pack-objects basic-stdin <in &&
  50         idx=$(echo pack-object-stdin/basic-stdin-*.idx) &&
  51         git show-index <"$idx" >actual &&
  52         test_line_count = 1 actual &&
  53
  54         git -C pack-object-stdin pack-objects --revs basic-stdin-revs <in &&
  55         idx=$(echo pack-object-stdin/basic-stdin-revs-*.idx) &&
  56         git show-index <"$idx" >actual &&
  57         test_line_count = 3 actual
  58 '
  59
  60 test_expect_success 'pack-object <stdin parsing: [|--revs] bad line' '
  61         cat >in <<-EOF &&
  62         $(git -C pack-object-stdin rev-parse one)
  63         garbage
  64         $(git -C pack-object-stdin rev-parse two)
  65         EOF
  66
  67         sed "s/^> //g" >err.expect <<-EOF &&
  68         fatal: expected object ID, got garbage:
  69         >  garbage
  70
  71         EOF
  72         test_must_fail git -C pack-object-stdin pack-objects bad-line-stdin <in 2>err.actual &&
  73         test_cmp err.expect err.actual &&
  74
  75         cat >err.expect <<-EOF &&
  76         fatal: bad revision '"'"'garbage'"'"'
  77         EOF
  78         test_must_fail git -C pack-object-stdin pack-objects --revs bad-line-stdin-revs <in 2>err.actual &&
  79         test_cmp err.expect err.actual
  80 '
  81
  82 test_expect_success 'pack-object <stdin parsing: [|--revs] empty line' '
  83         cat >in <<-EOF &&
  84         $(git -C pack-object-stdin rev-parse one)
  85
  86         $(git -C pack-object-stdin rev-parse two)
  87         EOF
  88
  89         sed -e "s/^> //g" -e "s/Z$//g" >err.expect <<-EOF &&
  90         fatal: expected object ID, got garbage:
  91         >  Z
  92
  93         EOF
  94         test_must_fail git -C pack-object-stdin pack-objects empty-line-stdin <in 2>err.actual &&
  95         test_cmp err.expect err.actual &&
  96
  97         git -C pack-object-stdin pack-objects --revs empty-line-stdin-revs <in &&
  98         idx=$(echo pack-object-stdin/empty-line-stdin-revs-*.idx) &&
  99         git show-index <"$idx" >actual &&
 100         test_line_count = 3 actual
 101 '
 102
 103 test_expect_success 'pack-object <stdin parsing: [|--revs] with --stdin' '
 104         cat >in <<-EOF &&
 105         $(git -C pack-object-stdin rev-parse one)
 106         $(git -C pack-object-stdin rev-parse two)
 107         EOF
 108
 109         # There is the "--stdin-packs is incompatible with --revs"
 110         # test below, but we should make sure that the revision.c
 111         # --stdin is not picked up
 112         cat >err.expect <<-EOF &&
 113         fatal: disallowed abbreviated or ambiguous option '"'"'stdin'"'"'
 114         EOF
 115         test_must_fail git -C pack-object-stdin pack-objects stdin-with-stdin-option --stdin <in 2>err.actual &&
 116         test_cmp err.expect err.actual &&
 117
 118         test_must_fail git -C pack-object-stdin pack-objects --stdin --revs stdin-with-stdin-option-revs 2>err.actual <in &&
 119         test_cmp err.expect err.actual
 120 '
 121
 122 test_expect_success 'pack-object <stdin parsing: --stdin-packs handles garbage' '
 123         cat >in <<-EOF &&
 124         $(git -C pack-object-stdin rev-parse one)
 125         $(git -C pack-object-stdin rev-parse two)
 126         EOF
 127
 128         # That we get "two" and not "one" has to do with OID
 129         # ordering. It happens to be the same here under SHA-1 and
 130         # SHA-256. See commentary in pack-objects.c
 131         cat >err.expect <<-EOF &&
 132         fatal: could not find pack '"'"'$(git -C pack-object-stdin rev-parse two)'"'"'
 133         EOF
 134         test_must_fail git \
 135                 -C pack-object-stdin \
 136                 pack-objects stdin-with-stdin-option --stdin-packs \
 137                 <in 2>err.actual &&
 138         test_cmp err.expect err.actual
 139 '
 140
 141 # usage: check_deltas <stderr_from_pack_objects> <cmp_op> <nr_deltas>
 142 # e.g.: check_deltas stderr -gt 0
 143 check_deltas() {
 144         deltas=$(perl -lne '/delta (\d+)/ and print $1' "$1") &&
 145         shift &&
 146         if ! test "$deltas" "$@"
 147         then
 148                 echo >&2 "unexpected number of deltas (compared $delta $*)"
 149                 return 1
 150         fi
 151 }
 152
 153 test_expect_success 'pack without delta' '
 154         packname_1=$(git pack-objects --progress --window=0 test-1 \
 155                         <obj-list 2>stderr) &&
 156         check_deltas stderr = 0
 157 '
 158
 159 test_expect_success 'pack-objects with bogus arguments' '
 160         test_must_fail git pack-objects --window=0 test-1 blah blah <obj-list
 161 '
 162
 163 check_unpack () {
 164         test_when_finished "rm -rf git2" &&
 165         git init --bare git2 &&
 166         git -C git2 unpack-objects -n <"$1".pack &&
 167         git -C git2 unpack-objects <"$1".pack &&
 168         (cd .git && find objects -type f -print) |
 169         while read path
 170         do
 171                 cmp git2/$path .git/$path || {
 172                         echo $path differs.
 173                         return 1
 174                 }
 175         done
 176 }
 177
 178 test_expect_success 'unpack without delta' '
 179         check_unpack test-1-${packname_1}
 180 '
 181
 182 test_expect_success 'pack with REF_DELTA' '
 183         packname_2=$(git pack-objects --progress test-2 <obj-list 2>stderr) &&
 184         check_deltas stderr -gt 0
 185 '
 186
 187 test_expect_success 'unpack with REF_DELTA' '
 188         check_unpack test-2-${packname_2}
 189 '
 190
 191 test_expect_success 'pack with OFS_DELTA' '
 192         packname_3=$(git pack-objects --progress --delta-base-offset test-3 \
 193                         <obj-list 2>stderr) &&
 194         check_deltas stderr -gt 0
 195 '
 196
 197 test_expect_success 'unpack with OFS_DELTA' '
 198         check_unpack test-3-${packname_3}
 199 '
 200
 201 test_expect_success 'compare delta flavors' '
 202         perl -e '\''
 203                 defined($_ = -s $_) or die for @ARGV;
 204                 exit 1 if $ARGV[0] <= $ARGV[1];
 205         '\'' test-2-$packname_2.pack test-3-$packname_3.pack
 206 '
 207
 208 check_use_objects () {
 209         test_when_finished "rm -rf git2" &&
 210         git init --bare git2 &&
 211         cp "$1".pack "$1".idx git2/objects/pack &&
 212         (
 213                 cd git2 &&
 214                 git diff-tree --root -p $commit &&
 215                 while read object
 216                 do
 217                         t=$(git cat-file -t $object) &&
 218                         git cat-file $t $object || exit 1
 219                 done
 220         ) <obj-list >current &&
 221         cmp expect current
 222 }
 223
 224 test_expect_success 'use packed objects' '
 225         check_use_objects test-1-${packname_1}
 226 '
 227
 228 test_expect_success 'use packed deltified (REF_DELTA) objects' '
 229         check_use_objects test-2-${packname_2}
 230 '
 231
 232 test_expect_success 'use packed deltified (OFS_DELTA) objects' '
 233         check_use_objects test-3-${packname_3}
 234 '
 235
 236 test_expect_success 'survive missing objects/pack directory' '
 237         (
 238                 rm -fr missing-pack &&
 239                 mkdir missing-pack &&
 240                 cd missing-pack &&
 241                 git init &&
 242                 GOP=.git/objects/pack &&
 243                 rm -fr $GOP &&
 244                 git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
 245                 test -f $GOP/pack-${packname_3}.pack &&
 246                 cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
 247                 test -f $GOP/pack-${packname_3}.idx &&
 248                 cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
 249                 test -f $GOP/pack-${packname_3}.keep
 250         )
 251 '
 252
 253 test_expect_success \
 254     'verify pack' \
 255     'git verify-pack    test-1-${packname_1}.idx \
 256                         test-2-${packname_2}.idx \
 257                         test-3-${packname_3}.idx'
 258
 259 test_expect_success \
 260     'verify pack -v' \
 261     'git verify-pack -v test-1-${packname_1}.idx \
 262                         test-2-${packname_2}.idx \
 263                         test-3-${packname_3}.idx'
 264
 265 test_expect_success \
 266     'verify-pack catches mismatched .idx and .pack files' \
 267     'cat test-1-${packname_1}.idx >test-3.idx &&
 268      cat test-2-${packname_2}.pack >test-3.pack &&
 269      if git verify-pack test-3.idx
 270      then false
 271      else :;
 272      fi'
 273
 274 test_expect_success \
 275     'verify-pack catches a corrupted pack signature' \
 276     'cat test-1-${packname_1}.pack >test-3.pack &&
 277      echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
 278      if git verify-pack test-3.idx
 279      then false
 280      else :;
 281      fi'
 282
 283 test_expect_success \
 284     'verify-pack catches a corrupted pack version' \
 285     'cat test-1-${packname_1}.pack >test-3.pack &&
 286      echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
 287      if git verify-pack test-3.idx
 288      then false
 289      else :;
 290      fi'
 291
 292 test_expect_success \
 293     'verify-pack catches a corrupted type/size of the 1st packed object data' \
 294     'cat test-1-${packname_1}.pack >test-3.pack &&
 295      echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
 296      if git verify-pack test-3.idx
 297      then false
 298      else :;
 299      fi'
 300
 301 test_expect_success \
 302     'verify-pack catches a corrupted sum of the index file itself' \
 303     'l=$(wc -c <test-3.idx) &&
 304      l=$(expr $l - 20) &&
 305      cat test-1-${packname_1}.pack >test-3.pack &&
 306      printf "%20s" "" | dd of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
 307      if git verify-pack test-3.pack
 308      then false
 309      else :;
 310      fi'
 311
 312 test_expect_success \
 313     'build pack index for an existing pack' \
 314     'cat test-1-${packname_1}.pack >test-3.pack &&
 315      git index-pack -o tmp.idx test-3.pack &&
 316      cmp tmp.idx test-1-${packname_1}.idx &&
 317
 318      git index-pack --promisor=message test-3.pack &&
 319      cmp test-3.idx test-1-${packname_1}.idx &&
 320      echo message >expect &&
 321      test_cmp expect test-3.promisor &&
 322
 323      cat test-2-${packname_2}.pack >test-3.pack &&
 324      git index-pack -o tmp.idx test-2-${packname_2}.pack &&
 325      cmp tmp.idx test-2-${packname_2}.idx &&
 326
 327      git index-pack test-3.pack &&
 328      cmp test-3.idx test-2-${packname_2}.idx &&
 329
 330      cat test-3-${packname_3}.pack >test-3.pack &&
 331      git index-pack -o tmp.idx test-3-${packname_3}.pack &&
 332      cmp tmp.idx test-3-${packname_3}.idx &&
 333
 334      git index-pack test-3.pack &&
 335      cmp test-3.idx test-3-${packname_3}.idx &&
 336
 337      cat test-1-${packname_1}.pack >test-4.pack &&
 338      rm -f test-4.keep &&
 339      git index-pack --keep=why test-4.pack &&
 340      cmp test-1-${packname_1}.idx test-4.idx &&
 341      test -f test-4.keep &&
 342
 343      :'
 344
 345 test_expect_success 'unpacking with --strict' '
 346
 347         for j in a b c d e f g
 348         do
 349                 for i in 0 1 2 3 4 5 6 7 8 9
 350                 do
 351                         o=$(echo $j$i | git hash-object -w --stdin) &&
 352                         echo "100644 $o 0 $j$i" || return 1
 353                 done
 354         done >LIST &&
 355         rm -f .git/index &&
 356         git update-index --index-info <LIST &&
 357         LIST=$(git write-tree) &&
 358         rm -f .git/index &&
 359         head -n 10 LIST | git update-index --index-info &&
 360         LI=$(git write-tree) &&
 361         rm -f .git/index &&
 362         tail -n 10 LIST | git update-index --index-info &&
 363         ST=$(git write-tree) &&
 364         git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
 365         PACK5=$( git pack-objects test-5 <actual ) &&
 366         PACK6=$( test_write_lines "$LIST" "$LI" "$ST" | git pack-objects test-6 ) &&
 367         test_create_repo test-5 &&
 368         (
 369                 cd test-5 &&
 370                 git unpack-objects --strict <../test-5-$PACK5.pack &&
 371                 git ls-tree -r $LIST &&
 372                 git ls-tree -r $LI &&
 373                 git ls-tree -r $ST
 374         ) &&
 375         test_create_repo test-6 &&
 376         (
 377                 # tree-only into empty repo -- many unreachables
 378                 cd test-6 &&
 379                 test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
 380         ) &&
 381         (
 382                 # already populated -- no unreachables
 383                 cd test-5 &&
 384                 git unpack-objects --strict <../test-6-$PACK6.pack
 385         )
 386 '
 387
 388 test_expect_success 'index-pack with --strict' '
 389
 390         for j in a b c d e f g
 391         do
 392                 for i in 0 1 2 3 4 5 6 7 8 9
 393                 do
 394                         o=$(echo $j$i | git hash-object -w --stdin) &&
 395                         echo "100644 $o 0 $j$i" || return 1
 396                 done
 397         done >LIST &&
 398         rm -f .git/index &&
 399         git update-index --index-info <LIST &&
 400         LIST=$(git write-tree) &&
 401         rm -f .git/index &&
 402         head -n 10 LIST | git update-index --index-info &&
 403         LI=$(git write-tree) &&
 404         rm -f .git/index &&
 405         tail -n 10 LIST | git update-index --index-info &&
 406         ST=$(git write-tree) &&
 407         git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
 408         PACK5=$( git pack-objects test-5 <actual ) &&
 409         PACK6=$( test_write_lines "$LIST" "$LI" "$ST" | git pack-objects test-6 ) &&
 410         test_create_repo test-7 &&
 411         (
 412                 cd test-7 &&
 413                 git index-pack --strict --stdin <../test-5-$PACK5.pack &&
 414                 git ls-tree -r $LIST &&
 415                 git ls-tree -r $LI &&
 416                 git ls-tree -r $ST
 417         ) &&
 418         test_create_repo test-8 &&
 419         (
 420                 # tree-only into empty repo -- many unreachables
 421                 cd test-8 &&
 422                 test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
 423         ) &&
 424         (
 425                 # already populated -- no unreachables
 426                 cd test-7 &&
 427                 git index-pack --strict --stdin <../test-6-$PACK6.pack
 428         )
 429 '
 430
 431 test_expect_success 'honor pack.packSizeLimit' '
 432         git config pack.packSizeLimit 3m &&
 433         packname_10=$(git pack-objects test-10 <obj-list) &&
 434         test 2 = $(ls test-10-*.pack | wc -l)
 435 '
 436
 437 test_expect_success 'verify resulting packs' '
 438         git verify-pack test-10-*.pack
 439 '
 440
 441 test_expect_success 'tolerate packsizelimit smaller than biggest object' '
 442         git config pack.packSizeLimit 1 &&
 443         packname_11=$(git pack-objects test-11 <obj-list) &&
 444         test 5 = $(ls test-11-*.pack | wc -l)
 445 '
 446
 447 test_expect_success 'verify resulting packs' '
 448         git verify-pack test-11-*.pack
 449 '
 450
 451 test_expect_success 'set up pack for non-repo tests' '
 452         # make sure we have a pack with no matching index file
 453         cp test-1-*.pack foo.pack
 454 '
 455
 456 test_expect_success 'index-pack --stdin complains of non-repo' '
 457         nongit test_must_fail git index-pack --object-format=$(test_oid algo) --stdin <foo.pack &&
 458         test_path_is_missing non-repo/.git
 459 '
 460
 461 test_expect_success 'index-pack <pack> works in non-repo' '
 462         nongit git index-pack --object-format=$(test_oid algo) ../foo.pack &&
 463         test_path_is_file foo.idx
 464 '
 465
 466 test_expect_success 'index-pack --strict <pack> works in non-repo' '
 467         rm -f foo.idx &&
 468         nongit git index-pack --strict --object-format=$(test_oid algo) ../foo.pack &&
 469         test_path_is_file foo.idx
 470 '
 471
 472 test_expect_success !PTHREADS,!FAIL_PREREQS \
 473         'index-pack --threads=N or pack.threads=N warns when no pthreads' '
 474         test_must_fail git index-pack --threads=2 2>err &&
 475         grep ^warning: err >warnings &&
 476         test_line_count = 1 warnings &&
 477         grep -F "no threads support, ignoring --threads=2" err &&
 478
 479         test_must_fail git -c pack.threads=2 index-pack 2>err &&
 480         grep ^warning: err >warnings &&
 481         test_line_count = 1 warnings &&
 482         grep -F "no threads support, ignoring pack.threads" err &&
 483
 484         test_must_fail git -c pack.threads=2 index-pack --threads=4 2>err &&
 485         grep ^warning: err >warnings &&
 486         test_line_count = 2 warnings &&
 487         grep -F "no threads support, ignoring --threads=4" err &&
 488         grep -F "no threads support, ignoring pack.threads" err
 489 '
 490
 491 test_expect_success !PTHREADS,!FAIL_PREREQS \
 492         'pack-objects --threads=N or pack.threads=N warns when no pthreads' '
 493         git pack-objects --threads=2 --stdout --all </dev/null >/dev/null 2>err &&
 494         grep ^warning: err >warnings &&
 495         test_line_count = 1 warnings &&
 496         grep -F "no threads support, ignoring --threads" err &&
 497
 498         git -c pack.threads=2 pack-objects --stdout --all </dev/null >/dev/null 2>err &&
 499         grep ^warning: err >warnings &&
 500         test_line_count = 1 warnings &&
 501         grep -F "no threads support, ignoring pack.threads" err &&
 502
 503         git -c pack.threads=2 pack-objects --threads=4 --stdout --all </dev/null >/dev/null 2>err &&
 504         grep ^warning: err >warnings &&
 505         test_line_count = 2 warnings &&
 506         grep -F "no threads support, ignoring --threads" err &&
 507         grep -F "no threads support, ignoring pack.threads" err
 508 '
 509
 510 test_expect_success 'pack-objects in too-many-packs mode' '
 511         GIT_TEST_FULL_IN_PACK_ARRAY=1 git repack -ad &&
 512         git fsck
 513 '
 514
 515 test_expect_success 'setup: fake a SHA1 hash collision' '
 516         git init corrupt &&
 517         (
 518                 cd corrupt &&
 519                 long_a=$(git hash-object -w ../a | sed -e "s!^..!&/!") &&
 520                 long_b=$(git hash-object -w ../b | sed -e "s!^..!&/!") &&
 521                 test -f .git/objects/$long_b &&
 522                 cp -f   .git/objects/$long_a \
 523                         .git/objects/$long_b
 524         )
 525 '
 526
 527 test_expect_success 'make sure index-pack detects the SHA1 collision' '
 528         (
 529                 cd corrupt &&
 530                 test_must_fail git index-pack -o ../bad.idx ../test-3.pack 2>msg &&
 531                 test_i18ngrep "SHA1 COLLISION FOUND" msg
 532         )
 533 '
 534
 535 test_expect_success 'make sure index-pack detects the SHA1 collision (large blobs)' '
 536         (
 537                 cd corrupt &&
 538                 test_must_fail git -c core.bigfilethreshold=1 index-pack -o ../bad.idx ../test-3.pack 2>msg &&
 539                 test_i18ngrep "SHA1 COLLISION FOUND" msg
 540         )
 541 '
 542
 543 test_expect_success 'prefetch objects' '
 544         rm -rf server client &&
 545
 546         git init server &&
 547         test_config -C server uploadpack.allowanysha1inwant 1 &&
 548         test_config -C server uploadpack.allowfilter 1 &&
 549         test_config -C server protocol.version 2 &&
 550
 551         echo one >server/one &&
 552         git -C server add one &&
 553         git -C server commit -m one &&
 554         git -C server branch one_branch &&
 555
 556         echo two_a >server/two_a &&
 557         echo two_b >server/two_b &&
 558         git -C server add two_a two_b &&
 559         git -C server commit -m two &&
 560
 561         echo three >server/three &&
 562         git -C server add three &&
 563         git -C server commit -m three &&
 564         git -C server branch three_branch &&
 565
 566         # Clone, fetch "two" with blobs excluded, and re-push it. This requires
 567         # the client to have the blobs of "two" - verify that these are
 568         # prefetched in one batch.
 569         git clone --filter=blob:none --single-branch -b one_branch \
 570                 "file://$(pwd)/server" client &&
 571         test_config -C client protocol.version 2 &&
 572         TWO=$(git -C server rev-parse three_branch^) &&
 573         git -C client fetch --filter=blob:none origin "$TWO" &&
 574         GIT_TRACE_PACKET=$(pwd)/trace git -C client push origin "$TWO":refs/heads/two_branch &&
 575         grep "fetch> done" trace >donelines &&
 576         test_line_count = 1 donelines
 577 '
 578
 579 test_expect_success 'setup for --stdin-packs tests' '
 580         git init stdin-packs &&
 581         (
 582                 cd stdin-packs &&
 583
 584                 test_commit A &&
 585                 test_commit B &&
 586                 test_commit C &&
 587
 588                 for id in A B C
 589                 do
 590                         git pack-objects .git/objects/pack/pack-$id \
 591                                 --incremental --revs <<-EOF || exit 1
 592                         refs/tags/$id
 593                         EOF
 594                 done &&
 595
 596                 ls -la .git/objects/pack
 597         )
 598 '
 599
 600 test_expect_success '--stdin-packs with excluded packs' '
 601         (
 602                 cd stdin-packs &&
 603
 604                 PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
 605                 PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
 606                 PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
 607
 608                 git pack-objects test --stdin-packs <<-EOF &&
 609                 $PACK_A
 610                 ^$PACK_B
 611                 $PACK_C
 612                 EOF
 613
 614                 (
 615                         git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
 616                         git show-index <$(ls .git/objects/pack/pack-C-*.idx)
 617                 ) >expect.raw &&
 618                 git show-index <$(ls test-*.idx) >actual.raw &&
 619
 620                 cut -d" " -f2 <expect.raw | sort >expect &&
 621                 cut -d" " -f2 <actual.raw | sort >actual &&
 622                 test_cmp expect actual
 623         )
 624 '
 625
 626 test_expect_success '--stdin-packs is incompatible with --filter' '
 627         (
 628                 cd stdin-packs &&
 629                 test_must_fail git pack-objects --stdin-packs --stdout \
 630                         --filter=blob:none </dev/null 2>err &&
 631                 test_i18ngrep "cannot use --filter with --stdin-packs" err
 632         )
 633 '
 634
 635 test_expect_success '--stdin-packs is incompatible with --revs' '
 636         (
 637                 cd stdin-packs &&
 638                 test_must_fail git pack-objects --stdin-packs --revs out \
 639                         </dev/null 2>err &&
 640                 test_i18ngrep "cannot use internal rev list with --stdin-packs" err
 641         )
 642 '
 643
 644 test_expect_success '--stdin-packs with loose objects' '
 645         (
 646                 cd stdin-packs &&
 647
 648                 PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
 649                 PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
 650                 PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
 651
 652                 test_commit D && # loose
 653
 654                 git pack-objects test2 --stdin-packs --unpacked <<-EOF &&
 655                 $PACK_A
 656                 ^$PACK_B
 657                 $PACK_C
 658                 EOF
 659
 660                 (
 661                         git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
 662                         git show-index <$(ls .git/objects/pack/pack-C-*.idx) &&
 663                         git rev-list --objects --no-object-names \
 664                                 refs/tags/C..refs/tags/D
 665
 666                 ) >expect.raw &&
 667                 ls -la . &&
 668                 git show-index <$(ls test2-*.idx) >actual.raw &&
 669
 670                 cut -d" " -f2 <expect.raw | sort >expect &&
 671                 cut -d" " -f2 <actual.raw | sort >actual &&
 672                 test_cmp expect actual
 673         )
 674 '
 675
 676 test_expect_success '--stdin-packs with broken links' '
 677         (
 678                 cd stdin-packs &&
 679
 680                 # make an unreachable object with a bogus parent
 681                 git cat-file -p HEAD >commit &&
 682                 sed "s/$(git rev-parse HEAD^)/$(test_oid zero)/" <commit |
 683                 git hash-object -w -t commit --stdin >in &&
 684
 685                 git pack-objects .git/objects/pack/pack-D <in &&
 686
 687                 PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
 688                 PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
 689                 PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
 690                 PACK_D="$(basename .git/objects/pack/pack-D-*.pack)" &&
 691
 692                 git pack-objects test3 --stdin-packs --unpacked <<-EOF &&
 693                 $PACK_A
 694                 ^$PACK_B
 695                 $PACK_C
 696                 $PACK_D
 697                 EOF
 698
 699                 (
 700                         git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
 701                         git show-index <$(ls .git/objects/pack/pack-C-*.idx) &&
 702                         git show-index <$(ls .git/objects/pack/pack-D-*.idx) &&
 703                         git rev-list --objects --no-object-names \
 704                                 refs/tags/C..refs/tags/D
 705                 ) >expect.raw &&
 706                 git show-index <$(ls test3-*.idx) >actual.raw &&
 707
 708                 cut -d" " -f2 <expect.raw | sort >expect &&
 709                 cut -d" " -f2 <actual.raw | sort >actual &&
 710                 test_cmp expect actual
 711         )
 712 '
 713
 714 test_expect_success 'negative window clamps to 0' '
 715         git pack-objects --progress --window=-1 neg-window <obj-list 2>stderr &&
 716         check_deltas stderr = 0
 717 '
 718
 719 test_done