t/t0410-partial-clone.sh

   1 #!/bin/sh
   2
   3 test_description='partial clone'
   4
   5 . ./test-lib.sh
   6
   7 delete_object () {
   8         rm $1/.git/objects/$(echo $2 | sed -e 's|^..|&/|')
   9 }
  10
  11 pack_as_from_promisor () {
  12         HASH=$(git -C repo pack-objects .git/objects/pack/pack) &&
  13         >repo/.git/objects/pack/pack-$HASH.promisor &&
  14         echo $HASH
  15 }
  16
  17 promise_and_delete () {
  18         HASH=$(git -C repo rev-parse "$1") &&
  19         git -C repo tag -a -m message my_annotated_tag "$HASH" &&
  20         git -C repo rev-parse my_annotated_tag | pack_as_from_promisor &&
  21         # tag -d prints a message to stdout, so redirect it
  22         git -C repo tag -d my_annotated_tag >/dev/null &&
  23         delete_object repo "$HASH"
  24 }
  25
  26 test_expect_success 'extensions.partialclone without filter' '
  27         test_create_repo server &&
  28         git clone --filter="blob:none" "file://$(pwd)/server" client &&
  29         git -C client config --unset remote.origin.partialclonefilter &&
  30         git -C client fetch origin
  31 '
  32
  33 test_expect_success 'convert shallow clone to partial clone' '
  34         rm -fr server client &&
  35         test_create_repo server &&
  36         test_commit -C server my_commit 1 &&
  37         test_commit -C server my_commit2 1 &&
  38         git clone --depth=1 "file://$(pwd)/server" client &&
  39         git -C client fetch --unshallow --filter="blob:none" &&
  40         test_cmp_config -C client true remote.origin.promisor &&
  41         test_cmp_config -C client blob:none remote.origin.partialclonefilter &&
  42         test_cmp_config -C client 1 core.repositoryformatversion
  43 '
  44
  45 test_expect_success SHA1 'convert to partial clone with noop extension' '
  46         rm -fr server client &&
  47         test_create_repo server &&
  48         test_commit -C server my_commit 1 &&
  49         test_commit -C server my_commit2 1 &&
  50         git clone --depth=1 "file://$(pwd)/server" client &&
  51         test_cmp_config -C client 0 core.repositoryformatversion &&
  52         git -C client config extensions.noop true &&
  53         git -C client fetch --unshallow --filter="blob:none"
  54 '
  55
  56 test_expect_success SHA1 'converting to partial clone fails with unrecognized extension' '
  57         rm -fr server client &&
  58         test_create_repo server &&
  59         test_commit -C server my_commit 1 &&
  60         test_commit -C server my_commit2 1 &&
  61         git clone --depth=1 "file://$(pwd)/server" client &&
  62         test_cmp_config -C client 0 core.repositoryformatversion &&
  63         git -C client config extensions.nonsense true &&
  64         test_must_fail git -C client fetch --unshallow --filter="blob:none"
  65 '
  66
  67 test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
  68         rm -rf repo &&
  69         test_create_repo repo &&
  70         test_commit -C repo my_commit &&
  71
  72         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  73         C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) &&
  74
  75         # Reference $A only from reflog, and delete it
  76         git -C repo branch my_branch "$A" &&
  77         git -C repo branch -f my_branch my_commit &&
  78         delete_object repo "$A" &&
  79
  80         # State that we got $C, which refers to $A, from promisor
  81         printf "$C\n" | pack_as_from_promisor &&
  82
  83         # Normally, it fails
  84         test_must_fail git -C repo fsck &&
  85
  86         # But with the extension, it succeeds
  87         git -C repo config core.repositoryformatversion 1 &&
  88         git -C repo config extensions.partialclone "arbitrary string" &&
  89         git -C repo fsck
  90 '
  91
  92 test_expect_success 'missing reflog object, but promised by a tag, passes fsck' '
  93         rm -rf repo &&
  94         test_create_repo repo &&
  95         test_commit -C repo my_commit &&
  96
  97         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  98         git -C repo tag -a -m d my_tag_name $A &&
  99         T=$(git -C repo rev-parse my_tag_name) &&
 100         git -C repo tag -d my_tag_name &&
 101
 102         # Reference $A only from reflog, and delete it
 103         git -C repo branch my_branch "$A" &&
 104         git -C repo branch -f my_branch my_commit &&
 105         delete_object repo "$A" &&
 106
 107         # State that we got $T, which refers to $A, from promisor
 108         printf "$T\n" | pack_as_from_promisor &&
 109
 110         git -C repo config core.repositoryformatversion 1 &&
 111         git -C repo config extensions.partialclone "arbitrary string" &&
 112         git -C repo fsck
 113 '
 114
 115 test_expect_success 'missing reflog object alone fails fsck, even with extension set' '
 116         rm -rf repo &&
 117         test_create_repo repo &&
 118         test_commit -C repo my_commit &&
 119
 120         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 121         B=$(git -C repo commit-tree -m b HEAD^{tree}) &&
 122
 123         # Reference $A only from reflog, and delete it
 124         git -C repo branch my_branch "$A" &&
 125         git -C repo branch -f my_branch my_commit &&
 126         delete_object repo "$A" &&
 127
 128         git -C repo config core.repositoryformatversion 1 &&
 129         git -C repo config extensions.partialclone "arbitrary string" &&
 130         test_must_fail git -C repo fsck
 131 '
 132
 133 test_expect_success 'missing ref object, but promised, passes fsck' '
 134         rm -rf repo &&
 135         test_create_repo repo &&
 136         test_commit -C repo my_commit &&
 137
 138         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 139
 140         # Reference $A only from ref
 141         git -C repo branch my_branch "$A" &&
 142         promise_and_delete "$A" &&
 143
 144         git -C repo config core.repositoryformatversion 1 &&
 145         git -C repo config extensions.partialclone "arbitrary string" &&
 146         git -C repo fsck
 147 '
 148
 149 test_expect_success 'missing object, but promised, passes fsck' '
 150         rm -rf repo &&
 151         test_create_repo repo &&
 152         test_commit -C repo 1 &&
 153         test_commit -C repo 2 &&
 154         test_commit -C repo 3 &&
 155         git -C repo tag -a annotated_tag -m "annotated tag" &&
 156
 157         C=$(git -C repo rev-parse 1) &&
 158         T=$(git -C repo rev-parse 2^{tree}) &&
 159         B=$(git hash-object repo/3.t) &&
 160         AT=$(git -C repo rev-parse annotated_tag) &&
 161
 162         promise_and_delete "$C" &&
 163         promise_and_delete "$T" &&
 164         promise_and_delete "$B" &&
 165         promise_and_delete "$AT" &&
 166
 167         git -C repo config core.repositoryformatversion 1 &&
 168         git -C repo config extensions.partialclone "arbitrary string" &&
 169         git -C repo fsck
 170 '
 171
 172 test_expect_success 'missing CLI object, but promised, passes fsck' '
 173         rm -rf repo &&
 174         test_create_repo repo &&
 175         test_commit -C repo my_commit &&
 176
 177         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 178         promise_and_delete "$A" &&
 179
 180         git -C repo config core.repositoryformatversion 1 &&
 181         git -C repo config extensions.partialclone "arbitrary string" &&
 182         git -C repo fsck "$A"
 183 '
 184
 185 test_expect_success 'fetching of missing objects' '
 186         rm -rf repo err &&
 187         test_create_repo server &&
 188         test_commit -C server foo &&
 189         git -C server repack -a -d --write-bitmap-index &&
 190
 191         git clone "file://$(pwd)/server" repo &&
 192         HASH=$(git -C repo rev-parse foo) &&
 193         rm -rf repo/.git/objects/* &&
 194
 195         git -C repo config core.repositoryformatversion 1 &&
 196         git -C repo config extensions.partialclone "origin" &&
 197         git -C repo cat-file -p "$HASH" 2>err &&
 198
 199         # Ensure that no spurious FETCH_HEAD messages are written
 200         ! grep FETCH_HEAD err &&
 201
 202         # Ensure that the .promisor file is written, and check that its
 203         # associated packfile contains the object
 204         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 205         test_line_count = 1 promisorlist &&
 206         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 207         git verify-pack --verbose "$IDX" >out &&
 208         grep "$HASH" out
 209 '
 210
 211 test_expect_success 'fetching of missing objects works with ref-in-want enabled' '
 212         # ref-in-want requires protocol version 2
 213         git -C server config protocol.version 2 &&
 214         git -C server config uploadpack.allowrefinwant 1 &&
 215         git -C repo config protocol.version 2 &&
 216
 217         rm -rf repo/.git/objects/* &&
 218         rm -f trace &&
 219         GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" &&
 220         grep "fetch< fetch=.*ref-in-want" trace
 221 '
 222
 223 test_expect_success 'fetching of missing objects from another promisor remote' '
 224         git clone "file://$(pwd)/server" server2 &&
 225         test_commit -C server2 bar &&
 226         git -C server2 repack -a -d --write-bitmap-index &&
 227         HASH2=$(git -C server2 rev-parse bar) &&
 228
 229         git -C repo remote add server2 "file://$(pwd)/server2" &&
 230         git -C repo config remote.server2.promisor true &&
 231         git -C repo cat-file -p "$HASH2" &&
 232
 233         git -C repo fetch server2 &&
 234         rm -rf repo/.git/objects/* &&
 235         git -C repo cat-file -p "$HASH2" &&
 236
 237         # Ensure that the .promisor file is written, and check that its
 238         # associated packfile contains the object
 239         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 240         test_line_count = 1 promisorlist &&
 241         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 242         git verify-pack --verbose "$IDX" >out &&
 243         grep "$HASH2" out
 244 '
 245
 246 test_expect_success 'fetching of missing objects configures a promisor remote' '
 247         git clone "file://$(pwd)/server" server3 &&
 248         test_commit -C server3 baz &&
 249         git -C server3 repack -a -d --write-bitmap-index &&
 250         HASH3=$(git -C server3 rev-parse baz) &&
 251         git -C server3 config uploadpack.allowfilter 1 &&
 252
 253         rm repo/.git/objects/pack/pack-*.promisor &&
 254
 255         git -C repo remote add server3 "file://$(pwd)/server3" &&
 256         git -C repo fetch --filter="blob:none" server3 $HASH3 &&
 257
 258         test_cmp_config -C repo true remote.server3.promisor &&
 259
 260         # Ensure that the .promisor file is written, and check that its
 261         # associated packfile contains the object
 262         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 263         test_line_count = 1 promisorlist &&
 264         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 265         git verify-pack --verbose "$IDX" >out &&
 266         grep "$HASH3" out
 267 '
 268
 269 test_expect_success 'fetching of missing blobs works' '
 270         rm -rf server server2 repo &&
 271         rm -rf server server3 repo &&
 272         test_create_repo server &&
 273         test_commit -C server foo &&
 274         git -C server repack -a -d --write-bitmap-index &&
 275
 276         git clone "file://$(pwd)/server" repo &&
 277         git hash-object repo/foo.t >blobhash &&
 278         rm -rf repo/.git/objects/* &&
 279
 280         git -C server config uploadpack.allowanysha1inwant 1 &&
 281         git -C server config uploadpack.allowfilter 1 &&
 282         git -C repo config core.repositoryformatversion 1 &&
 283         git -C repo config extensions.partialclone "origin" &&
 284
 285         git -C repo cat-file -p $(cat blobhash)
 286 '
 287
 288 test_expect_success 'fetching of missing trees does not fetch blobs' '
 289         rm -rf server repo &&
 290         test_create_repo server &&
 291         test_commit -C server foo &&
 292         git -C server repack -a -d --write-bitmap-index &&
 293
 294         git clone "file://$(pwd)/server" repo &&
 295         git -C repo rev-parse foo^{tree} >treehash &&
 296         git hash-object repo/foo.t >blobhash &&
 297         rm -rf repo/.git/objects/* &&
 298
 299         git -C server config uploadpack.allowanysha1inwant 1 &&
 300         git -C server config uploadpack.allowfilter 1 &&
 301         git -C repo config core.repositoryformatversion 1 &&
 302         git -C repo config extensions.partialclone "origin" &&
 303         git -C repo cat-file -p $(cat treehash) &&
 304
 305         # Ensure that the tree, but not the blob, is fetched
 306         git -C repo rev-list --objects --missing=print $(cat treehash) >objects &&
 307         grep "^$(cat treehash)" objects &&
 308         grep "^[?]$(cat blobhash)" objects
 309 '
 310
 311 test_expect_success 'rev-list stops traversal at missing and promised commit' '
 312         rm -rf repo &&
 313         test_create_repo repo &&
 314         test_commit -C repo foo &&
 315         test_commit -C repo bar &&
 316
 317         FOO=$(git -C repo rev-parse foo) &&
 318         promise_and_delete "$FOO" &&
 319
 320         git -C repo config core.repositoryformatversion 1 &&
 321         git -C repo config extensions.partialclone "arbitrary string" &&
 322         GIT_TEST_COMMIT_GRAPH=0 git -C repo -c core.commitGraph=false rev-list --exclude-promisor-objects --objects bar >out &&
 323         grep $(git -C repo rev-parse bar) out &&
 324         ! grep $FOO out
 325 '
 326
 327 test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
 328         rm -rf repo &&
 329         test_create_repo repo &&
 330         test_commit -C repo foo &&
 331         test_commit -C repo bar &&
 332         test_commit -C repo baz &&
 333
 334         promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
 335         promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
 336
 337         git -C repo config core.repositoryformatversion 1 &&
 338         git -C repo config extensions.partialclone "arbitrary string" &&
 339
 340         git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
 341         test_must_be_empty rev_list_err &&
 342         # 3 commits, 3 blobs, and 1 tree
 343         test_line_count = 7 objs &&
 344
 345         # Do the same for --exclude-promisor-objects, but with all trees gone.
 346         promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
 347         git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
 348         test_must_be_empty rev_list_err &&
 349         # 3 commits, no blobs or trees
 350         test_line_count = 3 objs
 351 '
 352
 353 test_expect_success 'missing non-root tree object and rev-list' '
 354         rm -rf repo &&
 355         test_create_repo repo &&
 356         mkdir repo/dir &&
 357         echo foo >repo/dir/foo &&
 358         git -C repo add dir/foo &&
 359         git -C repo commit -m "commit dir/foo" &&
 360
 361         promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
 362
 363         git -C repo config core.repositoryformatversion 1 &&
 364         git -C repo config extensions.partialclone "arbitrary string" &&
 365
 366         git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
 367         test_must_be_empty rev_list_err &&
 368         # 1 commit and 1 tree
 369         test_line_count = 2 objs
 370 '
 371
 372 test_expect_success 'rev-list stops traversal at missing and promised tree' '
 373         rm -rf repo &&
 374         test_create_repo repo &&
 375         test_commit -C repo foo &&
 376         mkdir repo/a_dir &&
 377         echo something >repo/a_dir/something &&
 378         git -C repo add a_dir/something &&
 379         git -C repo commit -m bar &&
 380
 381         # foo^{tree} (tree referenced from commit)
 382         TREE=$(git -C repo rev-parse foo^{tree}) &&
 383
 384         # a tree referenced by HEAD^{tree} (tree referenced from tree)
 385         TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) &&
 386
 387         promise_and_delete "$TREE" &&
 388         promise_and_delete "$TREE2" &&
 389
 390         git -C repo config core.repositoryformatversion 1 &&
 391         git -C repo config extensions.partialclone "arbitrary string" &&
 392         git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 393         grep $(git -C repo rev-parse foo) out &&
 394         ! grep $TREE out &&
 395         grep $(git -C repo rev-parse HEAD) out &&
 396         ! grep $TREE2 out
 397 '
 398
 399 test_expect_success 'rev-list stops traversal at missing and promised blob' '
 400         rm -rf repo &&
 401         test_create_repo repo &&
 402         echo something >repo/something &&
 403         git -C repo add something &&
 404         git -C repo commit -m foo &&
 405
 406         BLOB=$(git -C repo hash-object -w something) &&
 407         promise_and_delete "$BLOB" &&
 408
 409         git -C repo config core.repositoryformatversion 1 &&
 410         git -C repo config extensions.partialclone "arbitrary string" &&
 411         git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 412         grep $(git -C repo rev-parse HEAD) out &&
 413         ! grep $BLOB out
 414 '
 415
 416 test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
 417         rm -rf repo &&
 418         test_create_repo repo &&
 419         test_commit -C repo foo &&
 420         test_commit -C repo bar &&
 421         test_commit -C repo baz &&
 422
 423         COMMIT=$(git -C repo rev-parse foo) &&
 424         TREE=$(git -C repo rev-parse bar^{tree}) &&
 425         BLOB=$(git hash-object repo/baz.t) &&
 426         printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor &&
 427
 428         git -C repo config core.repositoryformatversion 1 &&
 429         git -C repo config extensions.partialclone "arbitrary string" &&
 430         git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 431         ! grep $COMMIT out &&
 432         ! grep $TREE out &&
 433         ! grep $BLOB out &&
 434         grep $(git -C repo rev-parse bar) out  # sanity check that some walking was done
 435 '
 436
 437 test_expect_success 'rev-list dies for missing objects on cmd line' '
 438         rm -rf repo &&
 439         test_create_repo repo &&
 440         test_commit -C repo foo &&
 441         test_commit -C repo bar &&
 442         test_commit -C repo baz &&
 443
 444         COMMIT=$(git -C repo rev-parse foo) &&
 445         TREE=$(git -C repo rev-parse bar^{tree}) &&
 446         BLOB=$(git hash-object repo/baz.t) &&
 447
 448         promise_and_delete $COMMIT &&
 449         promise_and_delete $TREE &&
 450         promise_and_delete $BLOB &&
 451
 452         git -C repo config core.repositoryformatversion 1 &&
 453         git -C repo config extensions.partialclone "arbitrary string" &&
 454
 455         for OBJ in "$COMMIT" "$TREE" "$BLOB"; do
 456                 test_must_fail git -C repo rev-list --objects \
 457                         --exclude-promisor-objects "$OBJ" &&
 458                 test_must_fail git -C repo rev-list --objects-edge-aggressive \
 459                         --exclude-promisor-objects "$OBJ" &&
 460
 461                 # Do not die or crash when --ignore-missing is passed.
 462                 git -C repo rev-list --ignore-missing --objects \
 463                         --exclude-promisor-objects "$OBJ" &&
 464                 git -C repo rev-list --ignore-missing --objects-edge-aggressive \
 465                         --exclude-promisor-objects "$OBJ"
 466         done
 467 '
 468
 469 test_expect_success 'single promisor remote can be re-initialized gracefully' '
 470         # ensure one promisor is in the promisors list
 471         rm -rf repo &&
 472         test_create_repo repo &&
 473         test_create_repo other &&
 474         git -C repo remote add foo "file://$(pwd)/other" &&
 475         git -C repo config remote.foo.promisor true &&
 476         git -C repo config extensions.partialclone foo &&
 477
 478         # reinitialize the promisors list
 479         git -C repo fetch --filter=blob:none foo
 480 '
 481
 482 test_expect_success 'gc repacks promisor objects separately from non-promisor objects' '
 483         rm -rf repo &&
 484         test_create_repo repo &&
 485         test_commit -C repo one &&
 486         test_commit -C repo two &&
 487
 488         TREE_ONE=$(git -C repo rev-parse one^{tree}) &&
 489         printf "$TREE_ONE\n" | pack_as_from_promisor &&
 490         TREE_TWO=$(git -C repo rev-parse two^{tree}) &&
 491         printf "$TREE_TWO\n" | pack_as_from_promisor &&
 492
 493         git -C repo config core.repositoryformatversion 1 &&
 494         git -C repo config extensions.partialclone "arbitrary string" &&
 495         git -C repo gc &&
 496
 497         # Ensure that exactly one promisor packfile exists, and that it
 498         # contains the trees but not the commits
 499         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 500         test_line_count = 1 promisorlist &&
 501         PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) &&
 502         git verify-pack $PROMISOR_PACKFILE -v >out &&
 503         grep "$TREE_ONE" out &&
 504         grep "$TREE_TWO" out &&
 505         ! grep "$(git -C repo rev-parse one)" out &&
 506         ! grep "$(git -C repo rev-parse two)" out &&
 507
 508         # Remove the promisor packfile and associated files
 509         rm $(sed "s/.promisor//" <promisorlist).* &&
 510
 511         # Ensure that the single other pack contains the commits, but not the
 512         # trees
 513         ls repo/.git/objects/pack/pack-*.pack >packlist &&
 514         test_line_count = 1 packlist &&
 515         git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 516         grep "$(git -C repo rev-parse one)" out &&
 517         grep "$(git -C repo rev-parse two)" out &&
 518         ! grep "$TREE_ONE" out &&
 519         ! grep "$TREE_TWO" out
 520 '
 521
 522 test_expect_success 'gc does not repack promisor objects if there are none' '
 523         rm -rf repo &&
 524         test_create_repo repo &&
 525         test_commit -C repo one &&
 526
 527         git -C repo config core.repositoryformatversion 1 &&
 528         git -C repo config extensions.partialclone "arbitrary string" &&
 529         git -C repo gc &&
 530
 531         # Ensure that only one pack exists
 532         ls repo/.git/objects/pack/pack-*.pack >packlist &&
 533         test_line_count = 1 packlist
 534 '
 535
 536 repack_and_check () {
 537         rm -rf repo2 &&
 538         cp -r repo repo2 &&
 539         git -C repo2 repack $1 -d &&
 540         git -C repo2 fsck &&
 541
 542         git -C repo2 cat-file -e $2 &&
 543         git -C repo2 cat-file -e $3
 544 }
 545
 546 test_expect_success 'repack -d does not irreversibly delete promisor objects' '
 547         rm -rf repo &&
 548         test_create_repo repo &&
 549         git -C repo config core.repositoryformatversion 1 &&
 550         git -C repo config extensions.partialclone "arbitrary string" &&
 551
 552         git -C repo commit --allow-empty -m one &&
 553         git -C repo commit --allow-empty -m two &&
 554         git -C repo commit --allow-empty -m three &&
 555         git -C repo commit --allow-empty -m four &&
 556         ONE=$(git -C repo rev-parse HEAD^^^) &&
 557         TWO=$(git -C repo rev-parse HEAD^^) &&
 558         THREE=$(git -C repo rev-parse HEAD^) &&
 559
 560         printf "$TWO\n" | pack_as_from_promisor &&
 561         printf "$THREE\n" | pack_as_from_promisor &&
 562         delete_object repo "$ONE" &&
 563
 564         repack_and_check -a "$TWO" "$THREE" &&
 565         repack_and_check -A "$TWO" "$THREE" &&
 566         repack_and_check -l "$TWO" "$THREE"
 567 '
 568
 569 test_expect_success 'gc stops traversal when a missing but promised object is reached' '
 570         rm -rf repo &&
 571         test_create_repo repo &&
 572         test_commit -C repo my_commit &&
 573
 574         TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
 575         HASH=$(promise_and_delete $TREE_HASH) &&
 576
 577         git -C repo config core.repositoryformatversion 1 &&
 578         git -C repo config extensions.partialclone "arbitrary string" &&
 579         git -C repo gc &&
 580
 581         # Ensure that the promisor packfile still exists, and remove it
 582         test -e repo/.git/objects/pack/pack-$HASH.pack &&
 583         rm repo/.git/objects/pack/pack-$HASH.* &&
 584
 585         # Ensure that the single other pack contains the commit, but not the tree
 586         ls repo/.git/objects/pack/pack-*.pack >packlist &&
 587         test_line_count = 1 packlist &&
 588         git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 589         grep "$(git -C repo rev-parse HEAD)" out &&
 590         ! grep "$TREE_HASH" out
 591 '
 592
 593 test_expect_success 'do not fetch when checking existence of tree we construct ourselves' '
 594         rm -rf repo &&
 595         test_create_repo repo &&
 596         test_commit -C repo base &&
 597         test_commit -C repo side1 &&
 598         git -C repo checkout base &&
 599         test_commit -C repo side2 &&
 600
 601         git -C repo config core.repositoryformatversion 1 &&
 602         git -C repo config extensions.partialclone "arbitrary string" &&
 603
 604         git -C repo cherry-pick side1
 605 '
 606
 607 . "$TEST_DIRECTORY"/lib-httpd.sh
 608 start_httpd
 609
 610 test_expect_success 'fetching of missing objects from an HTTP server' '
 611         rm -rf repo &&
 612         SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
 613         test_create_repo "$SERVER" &&
 614         test_commit -C "$SERVER" foo &&
 615         git -C "$SERVER" repack -a -d --write-bitmap-index &&
 616
 617         git clone $HTTPD_URL/smart/server repo &&
 618         HASH=$(git -C repo rev-parse foo) &&
 619         rm -rf repo/.git/objects/* &&
 620
 621         git -C repo config core.repositoryformatversion 1 &&
 622         git -C repo config extensions.partialclone "origin" &&
 623         git -C repo cat-file -p "$HASH" &&
 624
 625         # Ensure that the .promisor file is written, and check that its
 626         # associated packfile contains the object
 627         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 628         test_line_count = 1 promisorlist &&
 629         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 630         git verify-pack --verbose "$IDX" >out &&
 631         grep "$HASH" out
 632 '
 633
 634 # DO NOT add non-httpd-specific tests here, because the last part of this
 635 # test script is only executed when httpd is available and enabled.
 636
 637 test_done