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-${packname_1}.idx &&
 317
 318      git index-pack test-3.pack &&
 319      cmp test-3.idx test-1-${packname_1}.idx &&
 320
 321      cat test-2-${packname_2}.pack >test-3.pack &&
 322      git index-pack -o tmp.idx test-2-${packname_2}.pack &&
 323      cmp tmp.idx test-2-${packname_2}.idx &&
 324
 325      git index-pack test-3.pack &&
 326      cmp test-3.idx test-2-${packname_2}.idx &&
 327
 328      cat test-3-${packname_3}.pack >test-3.pack &&
 329      git index-pack -o tmp.idx test-3-${packname_3}.pack &&
 330      cmp tmp.idx test-3-${packname_3}.idx &&
 331
 332      git index-pack test-3.pack &&
 333      cmp test-3.idx test-3-${packname_3}.idx &&
 334
 335      cat test-1-${packname_1}.pack >test-4.pack &&
 336      rm -f test-4.keep &&
 337      git index-pack --keep=why test-4.pack &&
 338      cmp test-1-${packname_1}.idx test-4.idx &&
 339      test -f test-4.keep &&
 340
 341      :'
 342
 343 test_expect_success 'unpacking with --strict' '
 344
 345         for j in a b c d e f g
 346         do
 347                 for i in 0 1 2 3 4 5 6 7 8 9
 348                 do
 349                         o=$(echo $j$i | git hash-object -w --stdin) &&
 350                         echo "100644 $o 0 $j$i"
 351                 done
 352         done >LIST &&
 353         rm -f .git/index &&
 354         git update-index --index-info <LIST &&
 355         LIST=$(git write-tree) &&
 356         rm -f .git/index &&
 357         head -n 10 LIST | git update-index --index-info &&
 358         LI=$(git write-tree) &&
 359         rm -f .git/index &&
 360         tail -n 10 LIST | git update-index --index-info &&
 361         ST=$(git write-tree) &&
 362         git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
 363         PACK5=$( git pack-objects test-5 <actual ) &&
 364         PACK6=$( (
 365                         echo "$LIST"
 366                         echo "$LI"
 367                         echo "$ST"
 368                  ) | git pack-objects test-6 ) &&
 369         test_create_repo test-5 &&
 370         (
 371                 cd test-5 &&
 372                 git unpack-objects --strict <../test-5-$PACK5.pack &&
 373                 git ls-tree -r $LIST &&
 374                 git ls-tree -r $LI &&
 375                 git ls-tree -r $ST
 376         ) &&
 377         test_create_repo test-6 &&
 378         (
 379                 # tree-only into empty repo -- many unreachables
 380                 cd test-6 &&
 381                 test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
 382         ) &&
 383         (
 384                 # already populated -- no unreachables
 385                 cd test-5 &&
 386                 git unpack-objects --strict <../test-6-$PACK6.pack
 387         )
 388 '
 389
 390 test_expect_success 'index-pack with --strict' '
 391
 392         for j in a b c d e f g
 393         do
 394                 for i in 0 1 2 3 4 5 6 7 8 9
 395                 do
 396                         o=$(echo $j$i | git hash-object -w --stdin) &&
 397                         echo "100644 $o 0 $j$i"
 398                 done
 399         done >LIST &&
 400         rm -f .git/index &&
 401         git update-index --index-info <LIST &&
 402         LIST=$(git write-tree) &&
 403         rm -f .git/index &&
 404         head -n 10 LIST | git update-index --index-info &&
 405         LI=$(git write-tree) &&
 406         rm -f .git/index &&
 407         tail -n 10 LIST | git update-index --index-info &&
 408         ST=$(git write-tree) &&
 409         git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
 410         PACK5=$( git pack-objects test-5 <actual ) &&
 411         PACK6=$( (
 412                         echo "$LIST"
 413                         echo "$LI"
 414                         echo "$ST"
 415                  ) | git pack-objects test-6 ) &&
 416         test_create_repo test-7 &&
 417         (
 418                 cd test-7 &&
 419                 git index-pack --strict --stdin <../test-5-$PACK5.pack &&
 420                 git ls-tree -r $LIST &&
 421                 git ls-tree -r $LI &&
 422                 git ls-tree -r $ST
 423         ) &&
 424         test_create_repo test-8 &&
 425         (
 426                 # tree-only into empty repo -- many unreachables
 427                 cd test-8 &&
 428                 test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
 429         ) &&
 430         (
 431                 # already populated -- no unreachables
 432                 cd test-7 &&
 433                 git index-pack --strict --stdin <../test-6-$PACK6.pack
 434         )
 435 '
 436
 437 test_expect_success 'honor pack.packSizeLimit' '
 438         git config pack.packSizeLimit 3m &&
 439         packname_10=$(git pack-objects test-10 <obj-list) &&
 440         test 2 = $(ls test-10-*.pack | wc -l)
 441 '
 442
 443 test_expect_success 'verify resulting packs' '
 444         git verify-pack test-10-*.pack
 445 '
 446
 447 test_expect_success 'tolerate packsizelimit smaller than biggest object' '
 448         git config pack.packSizeLimit 1 &&
 449         packname_11=$(git pack-objects test-11 <obj-list) &&
 450         test 5 = $(ls test-11-*.pack | wc -l)
 451 '
 452
 453 test_expect_success 'verify resulting packs' '
 454         git verify-pack test-11-*.pack
 455 '
 456
 457 test_expect_success 'set up pack for non-repo tests' '
 458         # make sure we have a pack with no matching index file
 459         cp test-1-*.pack foo.pack
 460 '
 461
 462 test_expect_success 'index-pack --stdin complains of non-repo' '
 463         nongit test_must_fail git index-pack --object-format=$(test_oid algo) --stdin <foo.pack &&
 464         test_path_is_missing non-repo/.git
 465 '
 466
 467 test_expect_success 'index-pack <pack> works in non-repo' '
 468         nongit git index-pack --object-format=$(test_oid algo) ../foo.pack &&
 469         test_path_is_file foo.idx
 470 '
 471
 472 test_expect_success 'index-pack --strict <pack> works in non-repo' '
 473         rm -f foo.idx &&
 474         nongit git index-pack --strict --object-format=$(test_oid algo) ../foo.pack &&
 475         test_path_is_file foo.idx
 476 '
 477
 478 test_expect_success !PTHREADS,!FAIL_PREREQS \
 479         'index-pack --threads=N or pack.threads=N warns when no pthreads' '
 480         test_must_fail git index-pack --threads=2 2>err &&
 481         grep ^warning: err >warnings &&
 482         test_line_count = 1 warnings &&
 483         grep -F "no threads support, ignoring --threads=2" err &&
 484
 485         test_must_fail git -c pack.threads=2 index-pack 2>err &&
 486         grep ^warning: err >warnings &&
 487         test_line_count = 1 warnings &&
 488         grep -F "no threads support, ignoring pack.threads" err &&
 489
 490         test_must_fail git -c pack.threads=2 index-pack --threads=4 2>err &&
 491         grep ^warning: err >warnings &&
 492         test_line_count = 2 warnings &&
 493         grep -F "no threads support, ignoring --threads=4" err &&
 494         grep -F "no threads support, ignoring pack.threads" err
 495 '
 496
 497 test_expect_success !PTHREADS,!FAIL_PREREQS \
 498         'pack-objects --threads=N or pack.threads=N warns when no pthreads' '
 499         git pack-objects --threads=2 --stdout --all </dev/null >/dev/null 2>err &&
 500         grep ^warning: err >warnings &&
 501         test_line_count = 1 warnings &&
 502         grep -F "no threads support, ignoring --threads" err &&
 503
 504         git -c pack.threads=2 pack-objects --stdout --all </dev/null >/dev/null 2>err &&
 505         grep ^warning: err >warnings &&
 506         test_line_count = 1 warnings &&
 507         grep -F "no threads support, ignoring pack.threads" err &&
 508
 509         git -c pack.threads=2 pack-objects --threads=4 --stdout --all </dev/null >/dev/null 2>err &&
 510         grep ^warning: err >warnings &&
 511         test_line_count = 2 warnings &&
 512         grep -F "no threads support, ignoring --threads" err &&
 513         grep -F "no threads support, ignoring pack.threads" err
 514 '
 515
 516 test_expect_success 'pack-objects in too-many-packs mode' '
 517         GIT_TEST_FULL_IN_PACK_ARRAY=1 git repack -ad &&
 518         git fsck
 519 '
 520
 521 test_expect_success 'setup: fake a SHA1 hash collision' '
 522         git init corrupt &&
 523         (
 524                 cd corrupt &&
 525                 long_a=$(git hash-object -w ../a | sed -e "s!^..!&/!") &&
 526                 long_b=$(git hash-object -w ../b | sed -e "s!^..!&/!") &&
 527                 test -f .git/objects/$long_b &&
 528                 cp -f   .git/objects/$long_a \
 529                         .git/objects/$long_b
 530         )
 531 '
 532
 533 test_expect_success 'make sure index-pack detects the SHA1 collision' '
 534         (
 535                 cd corrupt &&
 536                 test_must_fail git index-pack -o ../bad.idx ../test-3.pack 2>msg &&
 537                 test_i18ngrep "SHA1 COLLISION FOUND" msg
 538         )
 539 '
 540
 541 test_expect_success 'make sure index-pack detects the SHA1 collision (large blobs)' '
 542         (
 543                 cd corrupt &&
 544                 test_must_fail git -c core.bigfilethreshold=1 index-pack -o ../bad.idx ../test-3.pack 2>msg &&
 545                 test_i18ngrep "SHA1 COLLISION FOUND" msg
 546         )
 547 '
 548
 549 test_expect_success 'prefetch objects' '
 550         rm -rf server client &&
 551
 552         git init server &&
 553         test_config -C server uploadpack.allowanysha1inwant 1 &&
 554         test_config -C server uploadpack.allowfilter 1 &&
 555         test_config -C server protocol.version 2 &&
 556
 557         echo one >server/one &&
 558         git -C server add one &&
 559         git -C server commit -m one &&
 560         git -C server branch one_branch &&
 561
 562         echo two_a >server/two_a &&
 563         echo two_b >server/two_b &&
 564         git -C server add two_a two_b &&
 565         git -C server commit -m two &&
 566
 567         echo three >server/three &&
 568         git -C server add three &&
 569         git -C server commit -m three &&
 570         git -C server branch three_branch &&
 571
 572         # Clone, fetch "two" with blobs excluded, and re-push it. This requires
 573         # the client to have the blobs of "two" - verify that these are
 574         # prefetched in one batch.
 575         git clone --filter=blob:none --single-branch -b one_branch \
 576                 "file://$(pwd)/server" client &&
 577         test_config -C client protocol.version 2 &&
 578         TWO=$(git -C server rev-parse three_branch^) &&
 579         git -C client fetch --filter=blob:none origin "$TWO" &&
 580         GIT_TRACE_PACKET=$(pwd)/trace git -C client push origin "$TWO":refs/heads/two_branch &&
 581         grep "fetch> done" trace >donelines &&
 582         test_line_count = 1 donelines
 583 '
 584
 585 test_expect_success 'setup for --stdin-packs tests' '
 586         git init stdin-packs &&
 587         (
 588                 cd stdin-packs &&
 589
 590                 test_commit A &&
 591                 test_commit B &&
 592                 test_commit C &&
 593
 594                 for id in A B C
 595                 do
 596                         git pack-objects .git/objects/pack/pack-$id \
 597                                 --incremental --revs <<-EOF
 598                         refs/tags/$id
 599                         EOF
 600                 done &&
 601
 602                 ls -la .git/objects/pack
 603         )
 604 '
 605
 606 test_expect_success '--stdin-packs with excluded packs' '
 607         (
 608                 cd stdin-packs &&
 609
 610                 PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
 611                 PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
 612                 PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
 613
 614                 git pack-objects test --stdin-packs <<-EOF &&
 615                 $PACK_A
 616                 ^$PACK_B
 617                 $PACK_C
 618                 EOF
 619
 620                 (
 621                         git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
 622                         git show-index <$(ls .git/objects/pack/pack-C-*.idx)
 623                 ) >expect.raw &&
 624                 git show-index <$(ls test-*.idx) >actual.raw &&
 625
 626                 cut -d" " -f2 <expect.raw | sort >expect &&
 627                 cut -d" " -f2 <actual.raw | sort >actual &&
 628                 test_cmp expect actual
 629         )
 630 '
 631
 632 test_expect_success '--stdin-packs is incompatible with --filter' '
 633         (
 634                 cd stdin-packs &&
 635                 test_must_fail git pack-objects --stdin-packs --stdout \
 636                         --filter=blob:none </dev/null 2>err &&
 637                 test_i18ngrep "cannot use --filter with --stdin-packs" err
 638         )
 639 '
 640
 641 test_expect_success '--stdin-packs is incompatible with --revs' '
 642         (
 643                 cd stdin-packs &&
 644                 test_must_fail git pack-objects --stdin-packs --revs out \
 645                         </dev/null 2>err &&
 646                 test_i18ngrep "cannot use internal rev list with --stdin-packs" err
 647         )
 648 '
 649
 650 test_expect_success '--stdin-packs with loose objects' '
 651         (
 652                 cd stdin-packs &&
 653
 654                 PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
 655                 PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
 656                 PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
 657
 658                 test_commit D && # loose
 659
 660                 git pack-objects test2 --stdin-packs --unpacked <<-EOF &&
 661                 $PACK_A
 662                 ^$PACK_B
 663                 $PACK_C
 664                 EOF
 665
 666                 (
 667                         git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
 668                         git show-index <$(ls .git/objects/pack/pack-C-*.idx) &&
 669                         git rev-list --objects --no-object-names \
 670                                 refs/tags/C..refs/tags/D
 671
 672                 ) >expect.raw &&
 673                 ls -la . &&
 674                 git show-index <$(ls test2-*.idx) >actual.raw &&
 675
 676                 cut -d" " -f2 <expect.raw | sort >expect &&
 677                 cut -d" " -f2 <actual.raw | sort >actual &&
 678                 test_cmp expect actual
 679         )
 680 '
 681
 682 test_expect_success '--stdin-packs with broken links' '
 683         (
 684                 cd stdin-packs &&
 685
 686                 # make an unreachable object with a bogus parent
 687                 git cat-file -p HEAD >commit &&
 688                 sed "s/$(git rev-parse HEAD^)/$(test_oid zero)/" <commit |
 689                 git hash-object -w -t commit --stdin >in &&
 690
 691                 git pack-objects .git/objects/pack/pack-D <in &&
 692
 693                 PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
 694                 PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
 695                 PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
 696                 PACK_D="$(basename .git/objects/pack/pack-D-*.pack)" &&
 697
 698                 git pack-objects test3 --stdin-packs --unpacked <<-EOF &&
 699                 $PACK_A
 700                 ^$PACK_B
 701                 $PACK_C
 702                 $PACK_D
 703                 EOF
 704
 705                 (
 706                         git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
 707                         git show-index <$(ls .git/objects/pack/pack-C-*.idx) &&
 708                         git show-index <$(ls .git/objects/pack/pack-D-*.idx) &&
 709                         git rev-list --objects --no-object-names \
 710                                 refs/tags/C..refs/tags/D
 711                 ) >expect.raw &&
 712                 git show-index <$(ls test3-*.idx) >actual.raw &&
 713
 714                 cut -d" " -f2 <expect.raw | sort >expect &&
 715                 cut -d" " -f2 <actual.raw | sort >actual &&
 716                 test_cmp expect actual
 717         )
 718 '
 719
 720 test_expect_success 'negative window clamps to 0' '
 721         git pack-objects --progress --window=-1 neg-window <obj-list 2>stderr &&
 722         check_deltas stderr = 0
 723 '
 724
 725 test_done