Andrew's git / gitweb.git / t/t5318-commit-graph.sh
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t / t5318-commit-graph.shon commit Merge branch 'ds/commit-graph-write-refactor' (e116894)
   1#!/bin/sh
   2
   3test_description='commit graph'
   4. ./test-lib.sh
   5
   6test_expect_success 'setup full repo' '
   7        mkdir full &&
   8        cd "$TRASH_DIRECTORY/full" &&
   9        git init &&
  10        git config core.commitGraph true &&
  11        objdir=".git/objects" &&
  12        test_oid_init
  13'
  14
  15test_expect_success 'verify graph with no graph file' '
  16        cd "$TRASH_DIRECTORY/full" &&
  17        git commit-graph verify
  18'
  19
  20test_expect_success 'write graph with no packs' '
  21        cd "$TRASH_DIRECTORY/full" &&
  22        git commit-graph write --object-dir . &&
  23        test_path_is_file info/commit-graph
  24'
  25
  26test_expect_success 'close with correct error on bad input' '
  27        cd "$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
  34test_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
  44graph_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
  50graph_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
  65graph_git_behavior 'no graph' full commits/3 commits/1
  66
  67graph_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
  84test_expect_success 'write graph' '
  85        cd "$TRASH_DIRECTORY/full" &&
  86        git commit-graph write &&
  87        test_path_is_file $objdir/info/commit-graph &&
  88        graph_read_expect "3"
  89'
  90
  91graph_git_behavior 'graph exists' full commits/3 commits/1
  92
  93test_expect_success 'Add more commits' '
  94        cd "$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
 129test_expect_success 'write graph with merges' '
 130        cd "$TRASH_DIRECTORY/full" &&
 131        git commit-graph write &&
 132        test_path_is_file $objdir/info/commit-graph &&
 133        graph_read_expect "10" "extra_edges"
 134'
 135
 136graph_git_behavior 'merge 1 vs 2' full merge/1 merge/2
 137graph_git_behavior 'merge 1 vs 3' full merge/1 merge/3
 138graph_git_behavior 'merge 2 vs 3' full merge/2 merge/3
 139
 140test_expect_success 'Add one more commit' '
 141        cd "$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 $objdir/pack| grep idx | grep -v -f existing-idx >new-idx
 147'
 148
 149# Current graph structure:
 150#
 151#      8
 152#      |
 153#   __M3___
 154#  /   |   \
 155# 3 M1 5 M2 7
 156# |/  \|/  \|
 157# 2    4    6
 158# |___/____/
 159# 1
 160
 161graph_git_behavior 'mixed mode, commit 8 vs merge 1' full commits/8 merge/1
 162graph_git_behavior 'mixed mode, commit 8 vs merge 2' full commits/8 merge/2
 163
 164test_expect_success 'write graph with new commit' '
 165        cd "$TRASH_DIRECTORY/full" &&
 166        git commit-graph write &&
 167        test_path_is_file $objdir/info/commit-graph &&
 168        graph_read_expect "11" "extra_edges"
 169'
 170
 171graph_git_behavior 'full graph, commit 8 vs merge 1' full commits/8 merge/1
 172graph_git_behavior 'full graph, commit 8 vs merge 2' full commits/8 merge/2
 173
 174test_expect_success 'write graph with nothing new' '
 175        cd "$TRASH_DIRECTORY/full" &&
 176        git commit-graph write &&
 177        test_path_is_file $objdir/info/commit-graph &&
 178        graph_read_expect "11" "extra_edges"
 179'
 180
 181graph_git_behavior 'cleared graph, commit 8 vs merge 1' full commits/8 merge/1
 182graph_git_behavior 'cleared graph, commit 8 vs merge 2' full commits/8 merge/2
 183
 184test_expect_success 'build graph from latest pack with closure' '
 185        cd "$TRASH_DIRECTORY/full" &&
 186        cat new-idx | git commit-graph write --stdin-packs &&
 187        test_path_is_file $objdir/info/commit-graph &&
 188        graph_read_expect "9" "extra_edges"
 189'
 190
 191graph_git_behavior 'graph from pack, commit 8 vs merge 1' full commits/8 merge/1
 192graph_git_behavior 'graph from pack, commit 8 vs merge 2' full commits/8 merge/2
 193
 194test_expect_success 'build graph from commits with closure' '
 195        cd "$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 $objdir/info/commit-graph &&
 201        graph_read_expect "6"
 202'
 203
 204graph_git_behavior 'graph from commits, commit 8 vs merge 1' full commits/8 merge/1
 205graph_git_behavior 'graph from commits, commit 8 vs merge 2' full commits/8 merge/2
 206
 207test_expect_success 'build graph from commits with append' '
 208        cd "$TRASH_DIRECTORY/full" &&
 209        git rev-parse merge/3 | git commit-graph write --stdin-commits --append &&
 210        test_path_is_file $objdir/info/commit-graph &&
 211        graph_read_expect "10" "extra_edges"
 212'
 213
 214graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1
 215graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2
 216
 217test_expect_success 'build graph using --reachable' '
 218        cd "$TRASH_DIRECTORY/full" &&
 219        git commit-graph write --reachable &&
 220        test_path_is_file $objdir/info/commit-graph &&
 221        graph_read_expect "11" "extra_edges"
 222'
 223
 224graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1
 225graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2
 226
 227test_expect_success 'setup bare repo' '
 228        cd "$TRASH_DIRECTORY" &&
 229        git clone --bare --no-local full bare &&
 230        cd bare &&
 231        git config core.commitGraph true &&
 232        baredir="./objects"
 233'
 234
 235graph_git_behavior 'bare repo, commit 8 vs merge 1' bare commits/8 merge/1
 236graph_git_behavior 'bare repo, commit 8 vs merge 2' bare commits/8 merge/2
 237
 238test_expect_success 'write graph in bare repo' '
 239        cd "$TRASH_DIRECTORY/bare" &&
 240        git commit-graph write &&
 241        test_path_is_file $baredir/info/commit-graph &&
 242        graph_read_expect "11" "extra_edges"
 243'
 244
 245graph_git_behavior 'bare repo with graph, commit 8 vs merge 1' bare commits/8 merge/1
 246graph_git_behavior 'bare repo with graph, commit 8 vs merge 2' bare commits/8 merge/2
 247
 248test_expect_success 'perform fast-forward merge in full repo' '
 249        cd "$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
 257test_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 $objdir/info/commit-graph
 269'
 270
 271test_expect_success 'replace-objects invalidates commit-graph' '
 272        cd "$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
 293test_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 $H3" >.git/info/grafts &&
 304                git -c core.commitGraph=false log >expect &&
 305                git -c core.commitGraph=true log >actual &&
 306                test_cmp expect actual &&
 307                git commit-graph write --reachable &&
 308                git -c core.commitGraph=false --no-replace-objects log >expect &&
 309                git -c core.commitGraph=true --no-replace-objects log >actual &&
 310                test_cmp expect actual &&
 311                rm -rf .git/objects/info/commit-graph &&
 312                git commit-graph write --reachable &&
 313                test_path_is_missing .git/objects/info/commit-graph
 314        )
 315'
 316
 317test_expect_success 'replace-objects invalidates commit-graph' '
 318        cd "$TRASH_DIRECTORY" &&
 319        test_when_finished rm -rf shallow &&
 320        git clone --depth 2 "file://$TRASH_DIRECTORY/full" shallow &&
 321        (
 322                cd shallow &&
 323                git commit-graph write --reachable &&
 324                test_path_is_missing .git/objects/info/commit-graph &&
 325                git fetch origin --unshallow &&
 326                git commit-graph write --reachable &&
 327                test_path_is_file .git/objects/info/commit-graph
 328        )
 329'
 330
 331# the verify tests below expect the commit-graph to contain
 332# exactly the commits reachable from the commits/8 branch.
 333# If the file changes the set of commits in the list, then the
 334# offsets into the binary file will result in different edits
 335# and the tests will likely break.
 336
 337test_expect_success 'git commit-graph verify' '
 338        cd "$TRASH_DIRECTORY/full" &&
 339        git rev-parse commits/8 | git commit-graph write --stdin-commits &&
 340        git commit-graph verify >output
 341'
 342
 343NUM_COMMITS=9
 344NUM_OCTOPUS_EDGES=2
 345HASH_LEN="$(test_oid rawsz)"
 346GRAPH_BYTE_VERSION=4
 347GRAPH_BYTE_HASH=5
 348GRAPH_BYTE_CHUNK_COUNT=6
 349GRAPH_CHUNK_LOOKUP_OFFSET=8
 350GRAPH_CHUNK_LOOKUP_WIDTH=12
 351GRAPH_CHUNK_LOOKUP_ROWS=5
 352GRAPH_BYTE_OID_FANOUT_ID=$GRAPH_CHUNK_LOOKUP_OFFSET
 353GRAPH_BYTE_OID_LOOKUP_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \
 354                            1 * $GRAPH_CHUNK_LOOKUP_WIDTH))
 355GRAPH_BYTE_COMMIT_DATA_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \
 356                             2 * $GRAPH_CHUNK_LOOKUP_WIDTH))
 357GRAPH_FANOUT_OFFSET=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \
 358                       $GRAPH_CHUNK_LOOKUP_WIDTH * $GRAPH_CHUNK_LOOKUP_ROWS))
 359GRAPH_BYTE_FANOUT1=$(($GRAPH_FANOUT_OFFSET + 4 * 4))
 360GRAPH_BYTE_FANOUT2=$(($GRAPH_FANOUT_OFFSET + 4 * 255))
 361GRAPH_OID_LOOKUP_OFFSET=$(($GRAPH_FANOUT_OFFSET + 4 * 256))
 362GRAPH_BYTE_OID_LOOKUP_ORDER=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 8))
 363GRAPH_BYTE_OID_LOOKUP_MISSING=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 4 + 10))
 364GRAPH_COMMIT_DATA_OFFSET=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * $NUM_COMMITS))
 365GRAPH_BYTE_COMMIT_TREE=$GRAPH_COMMIT_DATA_OFFSET
 366GRAPH_BYTE_COMMIT_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN))
 367GRAPH_BYTE_COMMIT_EXTRA_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 4))
 368GRAPH_BYTE_COMMIT_WRONG_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 3))
 369GRAPH_BYTE_COMMIT_GENERATION=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 11))
 370GRAPH_BYTE_COMMIT_DATE=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 12))
 371GRAPH_COMMIT_DATA_WIDTH=$(($HASH_LEN + 16))
 372GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \
 373                             $GRAPH_COMMIT_DATA_WIDTH * $NUM_COMMITS))
 374GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4))
 375GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES))
 376
 377corrupt_graph_setup() {
 378        cd "$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
 383corrupt_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.
 403corrupt_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
 417test_expect_success POSIXPERM,SANITY 'detect permission problem' '
 418        corrupt_graph_setup &&
 419        chmod 000 $objdir/info/commit-graph &&
 420        corrupt_graph_verify "Could not open" "no-copy"
 421'
 422
 423test_expect_success 'detect too small' '
 424        corrupt_graph_setup &&
 425        echo "a small graph" >$objdir/info/commit-graph &&
 426        corrupt_graph_verify "too small"
 427'
 428
 429test_expect_success 'detect bad signature' '
 430        corrupt_graph_and_verify 0 "\0" \
 431                "graph signature"
 432'
 433
 434test_expect_success 'detect bad version' '
 435        corrupt_graph_and_verify $GRAPH_BYTE_VERSION "\02" \
 436                "graph version"
 437'
 438
 439test_expect_success 'detect bad hash version' '
 440        corrupt_graph_and_verify $GRAPH_BYTE_HASH "\02" \
 441                "hash version"
 442'
 443
 444test_expect_success 'detect low chunk count' '
 445        corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\02" \
 446                "missing the .* chunk"
 447'
 448
 449test_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
 454test_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
 459test_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
 464test_expect_success 'detect incorrect fanout' '
 465        corrupt_graph_and_verify $GRAPH_BYTE_FANOUT1 "\01" \
 466                "fanout value"
 467'
 468
 469test_expect_success 'detect incorrect fanout final value' '
 470        corrupt_graph_and_verify $GRAPH_BYTE_FANOUT2 "\01" \
 471                "fanout value"
 472'
 473
 474test_expect_success 'detect incorrect OID order' '
 475        corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ORDER "\01" \
 476                "incorrect OID order"
 477'
 478
 479test_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
 484test_expect_success 'detect incorrect tree OID' '
 485        corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_TREE "\01" \
 486                "root tree OID for commit"
 487'
 488
 489test_expect_success 'detect incorrect parent int-id' '
 490        corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_PARENT "\01" \
 491                "invalid parent"
 492'
 493
 494test_expect_success 'detect extra parent int-id' '
 495        corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_EXTRA_PARENT "\00" \
 496                "is too long"
 497'
 498
 499test_expect_success 'detect wrong parent' '
 500        corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_WRONG_PARENT "\01" \
 501                "commit-graph parent for"
 502'
 503
 504test_expect_success 'detect incorrect generation number' '
 505        corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\070" \
 506                "generation for commit"
 507'
 508
 509test_expect_success 'detect incorrect generation number' '
 510        corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\01" \
 511                "non-zero generation number"
 512'
 513
 514test_expect_success 'detect incorrect commit date' '
 515        corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATE "\01" \
 516                "commit date"
 517'
 518
 519test_expect_success 'detect incorrect parent for octopus merge' '
 520        corrupt_graph_and_verify $GRAPH_BYTE_OCTOPUS "\01" \
 521                "invalid parent"
 522'
 523
 524test_expect_success 'detect invalid checksum hash' '
 525        corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \
 526                "incorrect checksum"
 527'
 528
 529test_expect_success 'detect incorrect chunk count' '
 530        corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\377" \
 531                "chunk lookup table entry missing" $GRAPH_CHUNK_LOOKUP_OFFSET
 532'
 533
 534test_expect_success 'git fsck (checks commit-graph)' '
 535        cd "$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 $objdir/info/commit-graph &&
 540        test_must_fail git fsck
 541'
 542
 543test_expect_success 'setup non-the_repository tests' '
 544        rm -rf repo &&
 545        git init repo &&
 546        test_commit -C repo one &&
 547        test_commit -C repo two &&
 548        git -C repo config core.commitGraph true &&
 549        git -C repo rev-parse two | \
 550                git -C repo commit-graph write --stdin-commits
 551'
 552
 553test_expect_success 'parse_commit_in_graph works for non-the_repository' '
 554        test-tool repository parse_commit_in_graph \
 555                repo/.git repo "$(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 "$(git -C repo rev-parse one)" >actual &&
 564        git -C repo log --pretty="%ct" -1 one >expect &&
 565        test_cmp expect actual
 566'
 567
 568test_expect_success 'get_commit_tree_in_graph works for non-the_repository' '
 569        test-tool repository get_commit_tree_in_graph \
 570                repo/.git repo "$(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
 580test_done