git.oblomov.eu Git - git/blob - t/t5318-commit-graph.sh

   1 #!/bin/sh
   2
   3 test_description='commit graph'
   4 . ./test-lib.sh
   5
   6 test_expect_success 'setup full repo' '
   7         mkdir full &&
   8         cd "$TRASH_DIRECTORY/full" &&
   9         git init &&
  10         git config core.commitGraph true &&
  11         objdir=".git/objects" &&
  12         test_oid_init
  13 '
  14
  15 test_expect_success 'verify graph with no graph file' '
  16         cd "$TRASH_DIRECTORY/full" &&
  17         git commit-graph verify
  18 '
  19
  20 test_expect_success 'write graph with no packs' '
  21         cd "$TRASH_DIRECTORY/full" &&
  22         git commit-graph write --object-dir . &&
  23         test_path_is_file info/commit-graph
  24 '
  25
  26 test_expect_success 'close with correct error on bad input' '
  27         cd "$TRASH_DIRECTORY/full" &&
  28         echo doesnotexist >in &&
  29         { git commit-graph write --stdin-packs <in 2>stderr; ret=$?; } &&
  30         test "$ret" = 1 &&
  31         test_i18ngrep "error adding pack" stderr
  32 '
  33
  34 test_expect_success 'create commits and repack' '
  35         cd "$TRASH_DIRECTORY/full" &&
  36         for i in $(test_seq 3)
  37         do
  38                 test_commit $i &&
  39                 git branch commits/$i
  40         done &&
  41         git repack
  42 '
  43
  44 graph_git_two_modes() {
  45         git -c core.commitGraph=true $1 >output
  46         git -c core.commitGraph=false $1 >expect
  47         test_cmp expect output
  48 }
  49
  50 graph_git_behavior() {
  51         MSG=$1
  52         DIR=$2
  53         BRANCH=$3
  54         COMPARE=$4
  55         test_expect_success "check normal git operations: $MSG" '
  56                 cd "$TRASH_DIRECTORY/$DIR" &&
  57                 graph_git_two_modes "log --oneline $BRANCH" &&
  58                 graph_git_two_modes "log --topo-order $BRANCH" &&
  59                 graph_git_two_modes "log --graph $COMPARE..$BRANCH" &&
  60                 graph_git_two_modes "branch -vv" &&
  61                 graph_git_two_modes "merge-base -a $BRANCH $COMPARE"
  62         '
  63 }
  64
  65 graph_git_behavior 'no graph' full commits/3 commits/1
  66
  67 graph_read_expect() {
  68         OPTIONAL=""
  69         NUM_CHUNKS=3
  70         if test ! -z $2
  71         then
  72                 OPTIONAL=" $2"
  73                 NUM_CHUNKS=$((3 + $(echo "$2" | wc -w)))
  74         fi
  75         cat >expect <<- EOF
  76         header: 43475048 1 1 $NUM_CHUNKS 0
  77         num_commits: $1
  78         chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL
  79         EOF
  80         git commit-graph read >output &&
  81         test_cmp expect output
  82 }
  83
  84 test_expect_success 'write graph' '
  85         cd "$TRASH_DIRECTORY/full" &&
  86         git commit-graph write &&
  87         test_path_is_file $objdir/info/commit-graph &&
  88         graph_read_expect "3"
  89 '
  90
  91 graph_git_behavior 'graph exists' full commits/3 commits/1
  92
  93 test_expect_success 'Add more commits' '
  94         cd "$TRASH_DIRECTORY/full" &&
  95         git reset --hard commits/1 &&
  96         for i in $(test_seq 4 5)
  97         do
  98                 test_commit $i &&
  99                 git branch commits/$i
 100         done &&
 101         git reset --hard commits/2 &&
 102         for i in $(test_seq 6 7)
 103         do
 104                 test_commit $i &&
 105                 git branch commits/$i
 106         done &&
 107         git reset --hard commits/2 &&
 108         git merge commits/4 &&
 109         git branch merge/1 &&
 110         git reset --hard commits/4 &&
 111         git merge commits/6 &&
 112         git branch merge/2 &&
 113         git reset --hard commits/3 &&
 114         git merge commits/5 commits/7 &&
 115         git branch merge/3 &&
 116         git repack
 117 '
 118
 119 # Current graph structure:
 120 #
 121 #   __M3___
 122 #  /   |   \
 123 # 3 M1 5 M2 7
 124 # |/  \|/  \|
 125 # 2    4    6
 126 # |___/____/
 127 # 1
 128
 129 test_expect_success 'write graph with merges' '
 130         cd "$TRASH_DIRECTORY/full" &&
 131         git commit-graph write &&
 132         test_path_is_file $objdir/info/commit-graph &&
 133         graph_read_expect "10" "extra_edges"
 134 '
 135
 136 graph_git_behavior 'merge 1 vs 2' full merge/1 merge/2
 137 graph_git_behavior 'merge 1 vs 3' full merge/1 merge/3
 138 graph_git_behavior 'merge 2 vs 3' full merge/2 merge/3
 139
 140 test_expect_success 'Add one more commit' '
 141         cd "$TRASH_DIRECTORY/full" &&
 142         test_commit 8 &&
 143         git branch commits/8 &&
 144         ls $objdir/pack | grep idx >existing-idx &&
 145         git repack &&
 146         ls $objdir/pack| grep idx | grep -v -f existing-idx >new-idx
 147 '
 148
 149 # Current graph structure:
 150 #
 151 #      8
 152 #      |
 153 #   __M3___
 154 #  /   |   \
 155 # 3 M1 5 M2 7
 156 # |/  \|/  \|
 157 # 2    4    6
 158 # |___/____/
 159 # 1
 160
 161 graph_git_behavior 'mixed mode, commit 8 vs merge 1' full commits/8 merge/1
 162 graph_git_behavior 'mixed mode, commit 8 vs merge 2' full commits/8 merge/2
 163
 164 test_expect_success 'write graph with new commit' '
 165         cd "$TRASH_DIRECTORY/full" &&
 166         git commit-graph write &&
 167         test_path_is_file $objdir/info/commit-graph &&
 168         graph_read_expect "11" "extra_edges"
 169 '
 170
 171 graph_git_behavior 'full graph, commit 8 vs merge 1' full commits/8 merge/1
 172 graph_git_behavior 'full graph, commit 8 vs merge 2' full commits/8 merge/2
 173
 174 test_expect_success 'write graph with nothing new' '
 175         cd "$TRASH_DIRECTORY/full" &&
 176         git commit-graph write &&
 177         test_path_is_file $objdir/info/commit-graph &&
 178         graph_read_expect "11" "extra_edges"
 179 '
 180
 181 graph_git_behavior 'cleared graph, commit 8 vs merge 1' full commits/8 merge/1
 182 graph_git_behavior 'cleared graph, commit 8 vs merge 2' full commits/8 merge/2
 183
 184 test_expect_success 'build graph from latest pack with closure' '
 185         cd "$TRASH_DIRECTORY/full" &&
 186         cat new-idx | git commit-graph write --stdin-packs &&
 187         test_path_is_file $objdir/info/commit-graph &&
 188         graph_read_expect "9" "extra_edges"
 189 '
 190
 191 graph_git_behavior 'graph from pack, commit 8 vs merge 1' full commits/8 merge/1
 192 graph_git_behavior 'graph from pack, commit 8 vs merge 2' full commits/8 merge/2
 193
 194 test_expect_success 'build graph from commits with closure' '
 195         cd "$TRASH_DIRECTORY/full" &&
 196         git tag -a -m "merge" tag/merge merge/2 &&
 197         git rev-parse tag/merge >commits-in &&
 198         git rev-parse merge/1 >>commits-in &&
 199         cat commits-in | git commit-graph write --stdin-commits &&
 200         test_path_is_file $objdir/info/commit-graph &&
 201         graph_read_expect "6"
 202 '
 203
 204 graph_git_behavior 'graph from commits, commit 8 vs merge 1' full commits/8 merge/1
 205 graph_git_behavior 'graph from commits, commit 8 vs merge 2' full commits/8 merge/2
 206
 207 test_expect_success 'build graph from commits with append' '
 208         cd "$TRASH_DIRECTORY/full" &&
 209         git rev-parse merge/3 | git commit-graph write --stdin-commits --append &&
 210         test_path_is_file $objdir/info/commit-graph &&
 211         graph_read_expect "10" "extra_edges"
 212 '
 213
 214 graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1
 215 graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2
 216
 217 test_expect_success 'build graph using --reachable' '
 218         cd "$TRASH_DIRECTORY/full" &&
 219         git commit-graph write --reachable &&
 220         test_path_is_file $objdir/info/commit-graph &&
 221         graph_read_expect "11" "extra_edges"
 222 '
 223
 224 graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1
 225 graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2
 226
 227 test_expect_success 'setup bare repo' '
 228         cd "$TRASH_DIRECTORY" &&
 229         git clone --bare --no-local full bare &&
 230         cd bare &&
 231         git config core.commitGraph true &&
 232         baredir="./objects"
 233 '
 234
 235 graph_git_behavior 'bare repo, commit 8 vs merge 1' bare commits/8 merge/1
 236 graph_git_behavior 'bare repo, commit 8 vs merge 2' bare commits/8 merge/2
 237
 238 test_expect_success 'write graph in bare repo' '
 239         cd "$TRASH_DIRECTORY/bare" &&
 240         git commit-graph write &&
 241         test_path_is_file $baredir/info/commit-graph &&
 242         graph_read_expect "11" "extra_edges"
 243 '
 244
 245 graph_git_behavior 'bare repo with graph, commit 8 vs merge 1' bare commits/8 merge/1
 246 graph_git_behavior 'bare repo with graph, commit 8 vs merge 2' bare commits/8 merge/2
 247
 248 test_expect_success 'perform fast-forward merge in full repo' '
 249         cd "$TRASH_DIRECTORY/full" &&
 250         git checkout -b merge-5-to-8 commits/5 &&
 251         git merge commits/8 &&
 252         git show-ref -s merge-5-to-8 >output &&
 253         git show-ref -s commits/8 >expect &&
 254         test_cmp expect output
 255 '
 256
 257 test_expect_success 'check that gc computes commit-graph' '
 258         cd "$TRASH_DIRECTORY/full" &&
 259         git commit --allow-empty -m "blank" &&
 260         git commit-graph write --reachable &&
 261         cp $objdir/info/commit-graph commit-graph-before-gc &&
 262         git reset --hard HEAD~1 &&
 263         git config gc.writeCommitGraph true &&
 264         git gc &&
 265         cp $objdir/info/commit-graph commit-graph-after-gc &&
 266         ! test_cmp_bin commit-graph-before-gc commit-graph-after-gc &&
 267         git commit-graph write --reachable &&
 268         test_cmp_bin commit-graph-after-gc $objdir/info/commit-graph
 269 '
 270
 271 test_expect_success 'replace-objects invalidates commit-graph' '
 272         cd "$TRASH_DIRECTORY" &&
 273         test_when_finished rm -rf replace &&
 274         git clone full replace &&
 275         (
 276                 cd replace &&
 277                 git commit-graph write --reachable &&
 278                 test_path_is_file .git/objects/info/commit-graph &&
 279                 git replace HEAD~1 HEAD~2 &&
 280                 git -c core.commitGraph=false log >expect &&
 281                 git -c core.commitGraph=true log >actual &&
 282                 test_cmp expect actual &&
 283                 git commit-graph write --reachable &&
 284                 git -c core.commitGraph=false --no-replace-objects log >expect &&
 285                 git -c core.commitGraph=true --no-replace-objects log >actual &&
 286                 test_cmp expect actual &&
 287                 rm -rf .git/objects/info/commit-graph &&
 288                 git commit-graph write --reachable &&
 289                 test_path_is_file .git/objects/info/commit-graph
 290         )
 291 '
 292
 293 test_expect_success 'commit grafts invalidate commit-graph' '
 294         cd "$TRASH_DIRECTORY" &&
 295         test_when_finished rm -rf graft &&
 296         git clone full graft &&
 297         (
 298                 cd graft &&
 299                 git commit-graph write --reachable &&
 300                 test_path_is_file .git/objects/info/commit-graph &&
 301                 H1=$(git rev-parse --verify HEAD~1) &&
 302                 H3=$(git rev-parse --verify HEAD~3) &&
 303                 echo "$H1 $H3" >.git/info/grafts &&
 304                 git -c core.commitGraph=false log >expect &&
 305                 git -c core.commitGraph=true log >actual &&
 306                 test_cmp expect actual &&
 307                 git commit-graph write --reachable &&
 308                 git -c core.commitGraph=false --no-replace-objects log >expect &&
 309                 git -c core.commitGraph=true --no-replace-objects log >actual &&
 310                 test_cmp expect actual &&
 311                 rm -rf .git/objects/info/commit-graph &&
 312                 git commit-graph write --reachable &&
 313                 test_path_is_missing .git/objects/info/commit-graph
 314         )
 315 '
 316
 317 test_expect_success 'replace-objects invalidates commit-graph' '
 318         cd "$TRASH_DIRECTORY" &&
 319         test_when_finished rm -rf shallow &&
 320         git clone --depth 2 "file://$TRASH_DIRECTORY/full" shallow &&
 321         (
 322                 cd shallow &&
 323                 git commit-graph write --reachable &&
 324                 test_path_is_missing .git/objects/info/commit-graph &&
 325                 git fetch origin --unshallow &&
 326                 git commit-graph write --reachable &&
 327                 test_path_is_file .git/objects/info/commit-graph
 328         )
 329 '
 330
 331 # the verify tests below expect the commit-graph to contain
 332 # exactly the commits reachable from the commits/8 branch.
 333 # If the file changes the set of commits in the list, then the
 334 # offsets into the binary file will result in different edits
 335 # and the tests will likely break.
 336
 337 test_expect_success 'git commit-graph verify' '
 338         cd "$TRASH_DIRECTORY/full" &&
 339         git rev-parse commits/8 | git commit-graph write --stdin-commits &&
 340         git commit-graph verify >output
 341 '
 342
 343 NUM_COMMITS=9
 344 NUM_OCTOPUS_EDGES=2
 345 HASH_LEN="$(test_oid rawsz)"
 346 GRAPH_BYTE_VERSION=4
 347 GRAPH_BYTE_HASH=5
 348 GRAPH_BYTE_CHUNK_COUNT=6
 349 GRAPH_CHUNK_LOOKUP_OFFSET=8
 350 GRAPH_CHUNK_LOOKUP_WIDTH=12
 351 GRAPH_CHUNK_LOOKUP_ROWS=5
 352 GRAPH_BYTE_OID_FANOUT_ID=$GRAPH_CHUNK_LOOKUP_OFFSET
 353 GRAPH_BYTE_OID_LOOKUP_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \
 354                             1 * $GRAPH_CHUNK_LOOKUP_WIDTH))
 355 GRAPH_BYTE_COMMIT_DATA_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \
 356                              2 * $GRAPH_CHUNK_LOOKUP_WIDTH))
 357 GRAPH_FANOUT_OFFSET=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \
 358                        $GRAPH_CHUNK_LOOKUP_WIDTH * $GRAPH_CHUNK_LOOKUP_ROWS))
 359 GRAPH_BYTE_FANOUT1=$(($GRAPH_FANOUT_OFFSET + 4 * 4))
 360 GRAPH_BYTE_FANOUT2=$(($GRAPH_FANOUT_OFFSET + 4 * 255))
 361 GRAPH_OID_LOOKUP_OFFSET=$(($GRAPH_FANOUT_OFFSET + 4 * 256))
 362 GRAPH_BYTE_OID_LOOKUP_ORDER=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 8))
 363 GRAPH_BYTE_OID_LOOKUP_MISSING=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 4 + 10))
 364 GRAPH_COMMIT_DATA_OFFSET=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * $NUM_COMMITS))
 365 GRAPH_BYTE_COMMIT_TREE=$GRAPH_COMMIT_DATA_OFFSET
 366 GRAPH_BYTE_COMMIT_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN))
 367 GRAPH_BYTE_COMMIT_EXTRA_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 4))
 368 GRAPH_BYTE_COMMIT_WRONG_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 3))
 369 GRAPH_BYTE_COMMIT_GENERATION=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 11))
 370 GRAPH_BYTE_COMMIT_DATE=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 12))
 371 GRAPH_COMMIT_DATA_WIDTH=$(($HASH_LEN + 16))
 372 GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \
 373                              $GRAPH_COMMIT_DATA_WIDTH * $NUM_COMMITS))
 374 GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4))
 375 GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES))
 376
 377 corrupt_graph_setup() {
 378         cd "$TRASH_DIRECTORY/full" &&
 379         test_when_finished mv commit-graph-backup $objdir/info/commit-graph &&
 380         cp $objdir/info/commit-graph commit-graph-backup
 381 }
 382
 383 corrupt_graph_verify() {
 384         grepstr=$1
 385         test_must_fail git commit-graph verify 2>test_err &&
 386         grep -v "^+" test_err >err &&
 387         test_i18ngrep "$grepstr" err &&
 388         if test "$2" != "no-copy"
 389         then
 390                 cp $objdir/info/commit-graph commit-graph-pre-write-test
 391         fi &&
 392         git status --short &&
 393         GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD=true git commit-graph write &&
 394         git commit-graph verify
 395 }
 396
 397 # usage: corrupt_graph_and_verify <position> <data> <string> [<zero_pos>]
 398 # Manipulates the commit-graph file at the position
 399 # by inserting the data, optionally zeroing the file
 400 # starting at <zero_pos>, then runs 'git commit-graph verify'
 401 # and places the output in the file 'err'. Test 'err' for
 402 # the given string.
 403 corrupt_graph_and_verify() {
 404         pos=$1
 405         data="${2:-\0}"
 406         grepstr=$3
 407         corrupt_graph_setup &&
 408         orig_size=$(wc -c < $objdir/info/commit-graph) &&
 409         zero_pos=${4:-${orig_size}} &&
 410         printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc &&
 411         dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" if=/dev/null &&
 412         generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" &&
 413         corrupt_graph_verify "$grepstr"
 414
 415 }
 416
 417 test_expect_success POSIXPERM,SANITY 'detect permission problem' '
 418         corrupt_graph_setup &&
 419         chmod 000 $objdir/info/commit-graph &&
 420         corrupt_graph_verify "Could not open" "no-copy"
 421 '
 422
 423 test_expect_success 'detect too small' '
 424         corrupt_graph_setup &&
 425         echo "a small graph" >$objdir/info/commit-graph &&
 426         corrupt_graph_verify "too small"
 427 '
 428
 429 test_expect_success 'detect bad signature' '
 430         corrupt_graph_and_verify 0 "\0" \
 431                 "graph signature"
 432 '
 433
 434 test_expect_success 'detect bad version' '
 435         corrupt_graph_and_verify $GRAPH_BYTE_VERSION "\02" \
 436                 "graph version"
 437 '
 438
 439 test_expect_success 'detect bad hash version' '
 440         corrupt_graph_and_verify $GRAPH_BYTE_HASH "\02" \
 441                 "hash version"
 442 '
 443
 444 test_expect_success 'detect low chunk count' '
 445         corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\02" \
 446                 "missing the .* chunk"
 447 '
 448
 449 test_expect_success 'detect missing OID fanout chunk' '
 450         corrupt_graph_and_verify $GRAPH_BYTE_OID_FANOUT_ID "\0" \
 451                 "missing the OID Fanout chunk"
 452 '
 453
 454 test_expect_success 'detect missing OID lookup chunk' '
 455         corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ID "\0" \
 456                 "missing the OID Lookup chunk"
 457 '
 458
 459 test_expect_success 'detect missing commit data chunk' '
 460         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATA_ID "\0" \
 461                 "missing the Commit Data chunk"
 462 '
 463
 464 test_expect_success 'detect incorrect fanout' '
 465         corrupt_graph_and_verify $GRAPH_BYTE_FANOUT1 "\01" \
 466                 "fanout value"
 467 '
 468
 469 test_expect_success 'detect incorrect fanout final value' '
 470         corrupt_graph_and_verify $GRAPH_BYTE_FANOUT2 "\01" \
 471                 "fanout value"
 472 '
 473
 474 test_expect_success 'detect incorrect OID order' '
 475         corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ORDER "\01" \
 476                 "incorrect OID order"
 477 '
 478
 479 test_expect_success 'detect OID not in object database' '
 480         corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_MISSING "\01" \
 481                 "from object database"
 482 '
 483
 484 test_expect_success 'detect incorrect tree OID' '
 485         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_TREE "\01" \
 486                 "root tree OID for commit"
 487 '
 488
 489 test_expect_success 'detect incorrect parent int-id' '
 490         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_PARENT "\01" \
 491                 "invalid parent"
 492 '
 493
 494 test_expect_success 'detect extra parent int-id' '
 495         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_EXTRA_PARENT "\00" \
 496                 "is too long"
 497 '
 498
 499 test_expect_success 'detect wrong parent' '
 500         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_WRONG_PARENT "\01" \
 501                 "commit-graph parent for"
 502 '
 503
 504 test_expect_success 'detect incorrect generation number' '
 505         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\070" \
 506                 "generation for commit"
 507 '
 508
 509 test_expect_success 'detect incorrect generation number' '
 510         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\01" \
 511                 "non-zero generation number"
 512 '
 513
 514 test_expect_success 'detect incorrect commit date' '
 515         corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATE "\01" \
 516                 "commit date"
 517 '
 518
 519 test_expect_success 'detect incorrect parent for octopus merge' '
 520         corrupt_graph_and_verify $GRAPH_BYTE_OCTOPUS "\01" \
 521                 "invalid parent"
 522 '
 523
 524 test_expect_success 'detect invalid checksum hash' '
 525         corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \
 526                 "incorrect checksum"
 527 '
 528
 529 test_expect_success 'detect incorrect chunk count' '
 530         corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\377" \
 531                 "chunk lookup table entry missing" $GRAPH_CHUNK_LOOKUP_OFFSET
 532 '
 533
 534 test_expect_success 'git fsck (checks commit-graph)' '
 535         cd "$TRASH_DIRECTORY/full" &&
 536         git fsck &&
 537         corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \
 538                 "incorrect checksum" &&
 539         cp commit-graph-pre-write-test $objdir/info/commit-graph &&
 540         test_must_fail git fsck
 541 '
 542
 543 test_expect_success 'setup non-the_repository tests' '
 544         rm -rf repo &&
 545         git init repo &&
 546         test_commit -C repo one &&
 547         test_commit -C repo two &&
 548         git -C repo config core.commitGraph true &&
 549         git -C repo rev-parse two | \
 550                 git -C repo commit-graph write --stdin-commits
 551 '
 552
 553 test_expect_success 'parse_commit_in_graph works for non-the_repository' '
 554         test-tool repository parse_commit_in_graph \
 555                 repo/.git repo "$(git -C repo rev-parse two)" >actual &&
 556         {
 557                 git -C repo log --pretty=format:"%ct " -1 &&
 558                 git -C repo rev-parse one
 559         } >expect &&
 560         test_cmp expect actual &&
 561
 562         test-tool repository parse_commit_in_graph \
 563                 repo/.git repo "$(git -C repo rev-parse one)" >actual &&
 564         git -C repo log --pretty="%ct" -1 one >expect &&
 565         test_cmp expect actual
 566 '
 567
 568 test_expect_success 'get_commit_tree_in_graph works for non-the_repository' '
 569         test-tool repository get_commit_tree_in_graph \
 570                 repo/.git repo "$(git -C repo rev-parse two)" >actual &&
 571         git -C repo rev-parse two^{tree} >expect &&
 572         test_cmp expect actual &&
 573
 574         test-tool repository get_commit_tree_in_graph \
 575                 repo/.git repo "$(git -C repo rev-parse one)" >actual &&
 576         git -C repo rev-parse one^{tree} >expect &&
 577         test_cmp expect actual
 578 '
 579
 580 test_done