t/t0410-partial-clone.sh

   1 #!/bin/sh
   2
   3 test_description='partial clone'
   4
   5 . ./test-lib.sh
   6
   7 # missing promisor objects cause repacks which write bitmaps to fail
   8 GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0
   9 # When enabled, some commands will write commit-graphs. This causes fsck
  10 # to fail when delete_object() is called because fsck will attempt to
  11 # verify the out-of-sync commit graph.
  12 GIT_TEST_COMMIT_GRAPH=0
  13
  14 delete_object () {
  15         rm $1/.git/objects/$(echo $2 | sed -e 's|^..|&/|')
  16 }
  17
  18 pack_as_from_promisor () {
  19         HASH=$(git -C repo pack-objects .git/objects/pack/pack) &&
  20         >repo/.git/objects/pack/pack-$HASH.promisor &&
  21         echo $HASH
  22 }
  23
  24 promise_and_delete () {
  25         HASH=$(git -C repo rev-parse "$1") &&
  26         git -C repo tag -a -m message my_annotated_tag "$HASH" &&
  27         git -C repo rev-parse my_annotated_tag | pack_as_from_promisor &&
  28         # tag -d prints a message to stdout, so redirect it
  29         git -C repo tag -d my_annotated_tag >/dev/null &&
  30         delete_object repo "$HASH"
  31 }
  32
  33 test_expect_success 'extensions.partialclone without filter' '
  34         test_create_repo server &&
  35         git clone --filter="blob:none" "file://$(pwd)/server" client &&
  36         git -C client config --unset remote.origin.partialclonefilter &&
  37         git -C client fetch origin
  38 '
  39
  40 test_expect_success 'convert shallow clone to partial clone' '
  41         rm -fr server client &&
  42         test_create_repo server &&
  43         test_commit -C server my_commit 1 &&
  44         test_commit -C server my_commit2 1 &&
  45         git clone --depth=1 "file://$(pwd)/server" client &&
  46         git -C client fetch --unshallow --filter="blob:none" &&
  47         test_cmp_config -C client true remote.origin.promisor &&
  48         test_cmp_config -C client blob:none remote.origin.partialclonefilter &&
  49         test_cmp_config -C client 1 core.repositoryformatversion
  50 '
  51
  52 test_expect_success SHA1 'convert to partial clone with noop extension' '
  53         rm -fr server client &&
  54         test_create_repo server &&
  55         test_commit -C server my_commit 1 &&
  56         test_commit -C server my_commit2 1 &&
  57         git clone --depth=1 "file://$(pwd)/server" client &&
  58         test_cmp_config -C client 0 core.repositoryformatversion &&
  59         git -C client config extensions.noop true &&
  60         git -C client fetch --unshallow --filter="blob:none"
  61 '
  62
  63 test_expect_success SHA1 'converting to partial clone fails with unrecognized extension' '
  64         rm -fr server client &&
  65         test_create_repo server &&
  66         test_commit -C server my_commit 1 &&
  67         test_commit -C server my_commit2 1 &&
  68         git clone --depth=1 "file://$(pwd)/server" client &&
  69         test_cmp_config -C client 0 core.repositoryformatversion &&
  70         git -C client config extensions.nonsense true &&
  71         test_must_fail git -C client fetch --unshallow --filter="blob:none"
  72 '
  73
  74 test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
  75         rm -rf repo &&
  76         test_create_repo repo &&
  77         test_commit -C repo my_commit &&
  78
  79         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  80         C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) &&
  81
  82         # Reference $A only from reflog, and delete it
  83         git -C repo branch my_branch "$A" &&
  84         git -C repo branch -f my_branch my_commit &&
  85         delete_object repo "$A" &&
  86
  87         # State that we got $C, which refers to $A, from promisor
  88         printf "$C\n" | pack_as_from_promisor &&
  89
  90         # Normally, it fails
  91         test_must_fail git -C repo fsck &&
  92
  93         # But with the extension, it succeeds
  94         git -C repo config core.repositoryformatversion 1 &&
  95         git -C repo config extensions.partialclone "arbitrary string" &&
  96         git -C repo fsck
  97 '
  98
  99 test_expect_success 'missing reflog object, but promised by a tag, passes fsck' '
 100         rm -rf repo &&
 101         test_create_repo repo &&
 102         test_commit -C repo my_commit &&
 103
 104         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 105         git -C repo tag -a -m d my_tag_name $A &&
 106         T=$(git -C repo rev-parse my_tag_name) &&
 107         git -C repo tag -d my_tag_name &&
 108
 109         # Reference $A only from reflog, and delete it
 110         git -C repo branch my_branch "$A" &&
 111         git -C repo branch -f my_branch my_commit &&
 112         delete_object repo "$A" &&
 113
 114         # State that we got $T, which refers to $A, from promisor
 115         printf "$T\n" | pack_as_from_promisor &&
 116
 117         git -C repo config core.repositoryformatversion 1 &&
 118         git -C repo config extensions.partialclone "arbitrary string" &&
 119         git -C repo fsck
 120 '
 121
 122 test_expect_success 'missing reflog object alone fails fsck, even with extension set' '
 123         rm -rf repo &&
 124         test_create_repo repo &&
 125         test_commit -C repo my_commit &&
 126
 127         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 128         B=$(git -C repo commit-tree -m b HEAD^{tree}) &&
 129
 130         # Reference $A only from reflog, and delete it
 131         git -C repo branch my_branch "$A" &&
 132         git -C repo branch -f my_branch my_commit &&
 133         delete_object repo "$A" &&
 134
 135         git -C repo config core.repositoryformatversion 1 &&
 136         git -C repo config extensions.partialclone "arbitrary string" &&
 137         test_must_fail git -C repo fsck
 138 '
 139
 140 test_expect_success 'missing ref object, but promised, passes fsck' '
 141         rm -rf repo &&
 142         test_create_repo repo &&
 143         test_commit -C repo my_commit &&
 144
 145         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 146
 147         # Reference $A only from ref
 148         git -C repo branch my_branch "$A" &&
 149         promise_and_delete "$A" &&
 150
 151         git -C repo config core.repositoryformatversion 1 &&
 152         git -C repo config extensions.partialclone "arbitrary string" &&
 153         git -C repo fsck
 154 '
 155
 156 test_expect_success 'missing object, but promised, passes fsck' '
 157         rm -rf repo &&
 158         test_create_repo repo &&
 159         test_commit -C repo 1 &&
 160         test_commit -C repo 2 &&
 161         test_commit -C repo 3 &&
 162         git -C repo tag -a annotated_tag -m "annotated tag" &&
 163
 164         C=$(git -C repo rev-parse 1) &&
 165         T=$(git -C repo rev-parse 2^{tree}) &&
 166         B=$(git hash-object repo/3.t) &&
 167         AT=$(git -C repo rev-parse annotated_tag) &&
 168
 169         promise_and_delete "$C" &&
 170         promise_and_delete "$T" &&
 171         promise_and_delete "$B" &&
 172         promise_and_delete "$AT" &&
 173
 174         git -C repo config core.repositoryformatversion 1 &&
 175         git -C repo config extensions.partialclone "arbitrary string" &&
 176         git -C repo fsck
 177 '
 178
 179 test_expect_success 'missing CLI object, but promised, passes fsck' '
 180         rm -rf repo &&
 181         test_create_repo repo &&
 182         test_commit -C repo my_commit &&
 183
 184         A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 185         promise_and_delete "$A" &&
 186
 187         git -C repo config core.repositoryformatversion 1 &&
 188         git -C repo config extensions.partialclone "arbitrary string" &&
 189         git -C repo fsck "$A"
 190 '
 191
 192 test_expect_success 'fetching of missing objects' '
 193         rm -rf repo err &&
 194         test_create_repo server &&
 195         test_commit -C server foo &&
 196         git -C server repack -a -d --write-bitmap-index &&
 197
 198         git clone "file://$(pwd)/server" repo &&
 199         HASH=$(git -C repo rev-parse foo) &&
 200         rm -rf repo/.git/objects/* &&
 201
 202         git -C repo config core.repositoryformatversion 1 &&
 203         git -C repo config extensions.partialclone "origin" &&
 204         git -C repo cat-file -p "$HASH" 2>err &&
 205
 206         # Ensure that no spurious FETCH_HEAD messages are written
 207         ! grep FETCH_HEAD err &&
 208
 209         # Ensure that the .promisor file is written, and check that its
 210         # associated packfile contains the object
 211         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 212         test_line_count = 1 promisorlist &&
 213         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 214         git verify-pack --verbose "$IDX" >out &&
 215         grep "$HASH" out
 216 '
 217
 218 test_expect_success 'fetching of missing objects works with ref-in-want enabled' '
 219         # ref-in-want requires protocol version 2
 220         git -C server config protocol.version 2 &&
 221         git -C server config uploadpack.allowrefinwant 1 &&
 222         git -C repo config protocol.version 2 &&
 223
 224         rm -rf repo/.git/objects/* &&
 225         rm -f trace &&
 226         GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" &&
 227         grep "fetch< fetch=.*ref-in-want" trace
 228 '
 229
 230 test_expect_success 'fetching of missing objects from another promisor remote' '
 231         git clone "file://$(pwd)/server" server2 &&
 232         test_commit -C server2 bar &&
 233         git -C server2 repack -a -d --write-bitmap-index &&
 234         HASH2=$(git -C server2 rev-parse bar) &&
 235
 236         git -C repo remote add server2 "file://$(pwd)/server2" &&
 237         git -C repo config remote.server2.promisor true &&
 238         git -C repo cat-file -p "$HASH2" &&
 239
 240         git -C repo fetch server2 &&
 241         rm -rf repo/.git/objects/* &&
 242         git -C repo cat-file -p "$HASH2" &&
 243
 244         # Ensure that the .promisor file is written, and check that its
 245         # associated packfile contains the object
 246         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 247         test_line_count = 1 promisorlist &&
 248         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 249         git verify-pack --verbose "$IDX" >out &&
 250         grep "$HASH2" out
 251 '
 252
 253 test_expect_success 'fetching of missing objects configures a promisor remote' '
 254         git clone "file://$(pwd)/server" server3 &&
 255         test_commit -C server3 baz &&
 256         git -C server3 repack -a -d --write-bitmap-index &&
 257         HASH3=$(git -C server3 rev-parse baz) &&
 258         git -C server3 config uploadpack.allowfilter 1 &&
 259
 260         rm repo/.git/objects/pack/pack-*.promisor &&
 261
 262         git -C repo remote add server3 "file://$(pwd)/server3" &&
 263         git -C repo fetch --filter="blob:none" server3 $HASH3 &&
 264
 265         test_cmp_config -C repo true remote.server3.promisor &&
 266
 267         # Ensure that the .promisor file is written, and check that its
 268         # associated packfile contains the object
 269         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 270         test_line_count = 1 promisorlist &&
 271         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 272         git verify-pack --verbose "$IDX" >out &&
 273         grep "$HASH3" out
 274 '
 275
 276 test_expect_success 'fetching of missing blobs works' '
 277         rm -rf server server2 repo &&
 278         rm -rf server server3 repo &&
 279         test_create_repo server &&
 280         test_commit -C server foo &&
 281         git -C server repack -a -d --write-bitmap-index &&
 282
 283         git clone "file://$(pwd)/server" repo &&
 284         git hash-object repo/foo.t >blobhash &&
 285         rm -rf repo/.git/objects/* &&
 286
 287         git -C server config uploadpack.allowanysha1inwant 1 &&
 288         git -C server config uploadpack.allowfilter 1 &&
 289         git -C repo config core.repositoryformatversion 1 &&
 290         git -C repo config extensions.partialclone "origin" &&
 291
 292         git -C repo cat-file -p $(cat blobhash)
 293 '
 294
 295 test_expect_success 'fetching of missing trees does not fetch blobs' '
 296         rm -rf server repo &&
 297         test_create_repo server &&
 298         test_commit -C server foo &&
 299         git -C server repack -a -d --write-bitmap-index &&
 300
 301         git clone "file://$(pwd)/server" repo &&
 302         git -C repo rev-parse foo^{tree} >treehash &&
 303         git hash-object repo/foo.t >blobhash &&
 304         rm -rf repo/.git/objects/* &&
 305
 306         git -C server config uploadpack.allowanysha1inwant 1 &&
 307         git -C server config uploadpack.allowfilter 1 &&
 308         git -C repo config core.repositoryformatversion 1 &&
 309         git -C repo config extensions.partialclone "origin" &&
 310         git -C repo cat-file -p $(cat treehash) &&
 311
 312         # Ensure that the tree, but not the blob, is fetched
 313         git -C repo rev-list --objects --missing=print $(cat treehash) >objects &&
 314         grep "^$(cat treehash)" objects &&
 315         grep "^[?]$(cat blobhash)" objects
 316 '
 317
 318 test_expect_success 'rev-list stops traversal at missing and promised commit' '
 319         rm -rf repo &&
 320         test_create_repo repo &&
 321         test_commit -C repo foo &&
 322         test_commit -C repo bar &&
 323
 324         FOO=$(git -C repo rev-parse foo) &&
 325         promise_and_delete "$FOO" &&
 326
 327         git -C repo config core.repositoryformatversion 1 &&
 328         git -C repo config extensions.partialclone "arbitrary string" &&
 329         git -C repo rev-list --exclude-promisor-objects --objects bar >out &&
 330         grep $(git -C repo rev-parse bar) out &&
 331         ! grep $FOO out
 332 '
 333
 334 test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
 335         rm -rf repo &&
 336         test_create_repo repo &&
 337         test_commit -C repo foo &&
 338         test_commit -C repo bar &&
 339         test_commit -C repo baz &&
 340
 341         promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
 342         promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
 343
 344         git -C repo config core.repositoryformatversion 1 &&
 345         git -C repo config extensions.partialclone "arbitrary string" &&
 346
 347         git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
 348         test_must_be_empty rev_list_err &&
 349         # 3 commits, 3 blobs, and 1 tree
 350         test_line_count = 7 objs &&
 351
 352         # Do the same for --exclude-promisor-objects, but with all trees gone.
 353         promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
 354         git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
 355         test_must_be_empty rev_list_err &&
 356         # 3 commits, no blobs or trees
 357         test_line_count = 3 objs
 358 '
 359
 360 test_expect_success 'missing non-root tree object and rev-list' '
 361         rm -rf repo &&
 362         test_create_repo repo &&
 363         mkdir repo/dir &&
 364         echo foo >repo/dir/foo &&
 365         git -C repo add dir/foo &&
 366         git -C repo commit -m "commit dir/foo" &&
 367
 368         promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
 369
 370         git -C repo config core.repositoryformatversion 1 &&
 371         git -C repo config extensions.partialclone "arbitrary string" &&
 372
 373         git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
 374         test_must_be_empty rev_list_err &&
 375         # 1 commit and 1 tree
 376         test_line_count = 2 objs
 377 '
 378
 379 test_expect_success 'rev-list stops traversal at missing and promised tree' '
 380         rm -rf repo &&
 381         test_create_repo repo &&
 382         test_commit -C repo foo &&
 383         mkdir repo/a_dir &&
 384         echo something >repo/a_dir/something &&
 385         git -C repo add a_dir/something &&
 386         git -C repo commit -m bar &&
 387
 388         # foo^{tree} (tree referenced from commit)
 389         TREE=$(git -C repo rev-parse foo^{tree}) &&
 390
 391         # a tree referenced by HEAD^{tree} (tree referenced from tree)
 392         TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) &&
 393
 394         promise_and_delete "$TREE" &&
 395         promise_and_delete "$TREE2" &&
 396
 397         git -C repo config core.repositoryformatversion 1 &&
 398         git -C repo config extensions.partialclone "arbitrary string" &&
 399         git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 400         grep $(git -C repo rev-parse foo) out &&
 401         ! grep $TREE out &&
 402         grep $(git -C repo rev-parse HEAD) out &&
 403         ! grep $TREE2 out
 404 '
 405
 406 test_expect_success 'rev-list stops traversal at missing and promised blob' '
 407         rm -rf repo &&
 408         test_create_repo repo &&
 409         echo something >repo/something &&
 410         git -C repo add something &&
 411         git -C repo commit -m foo &&
 412
 413         BLOB=$(git -C repo hash-object -w something) &&
 414         promise_and_delete "$BLOB" &&
 415
 416         git -C repo config core.repositoryformatversion 1 &&
 417         git -C repo config extensions.partialclone "arbitrary string" &&
 418         git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 419         grep $(git -C repo rev-parse HEAD) out &&
 420         ! grep $BLOB out
 421 '
 422
 423 test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
 424         rm -rf repo &&
 425         test_create_repo repo &&
 426         test_commit -C repo foo &&
 427         test_commit -C repo bar &&
 428         test_commit -C repo baz &&
 429
 430         COMMIT=$(git -C repo rev-parse foo) &&
 431         TREE=$(git -C repo rev-parse bar^{tree}) &&
 432         BLOB=$(git hash-object repo/baz.t) &&
 433         printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor &&
 434
 435         git -C repo config core.repositoryformatversion 1 &&
 436         git -C repo config extensions.partialclone "arbitrary string" &&
 437         git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 438         ! grep $COMMIT out &&
 439         ! grep $TREE out &&
 440         ! grep $BLOB out &&
 441         grep $(git -C repo rev-parse bar) out  # sanity check that some walking was done
 442 '
 443
 444 test_expect_success 'rev-list dies for missing objects on cmd line' '
 445         rm -rf repo &&
 446         test_create_repo repo &&
 447         test_commit -C repo foo &&
 448         test_commit -C repo bar &&
 449         test_commit -C repo baz &&
 450
 451         COMMIT=$(git -C repo rev-parse foo) &&
 452         TREE=$(git -C repo rev-parse bar^{tree}) &&
 453         BLOB=$(git hash-object repo/baz.t) &&
 454
 455         promise_and_delete $COMMIT &&
 456         promise_and_delete $TREE &&
 457         promise_and_delete $BLOB &&
 458
 459         git -C repo config core.repositoryformatversion 1 &&
 460         git -C repo config extensions.partialclone "arbitrary string" &&
 461
 462         for OBJ in "$COMMIT" "$TREE" "$BLOB"; do
 463                 test_must_fail git -C repo rev-list --objects \
 464                         --exclude-promisor-objects "$OBJ" &&
 465                 test_must_fail git -C repo rev-list --objects-edge-aggressive \
 466                         --exclude-promisor-objects "$OBJ" &&
 467
 468                 # Do not die or crash when --ignore-missing is passed.
 469                 git -C repo rev-list --ignore-missing --objects \
 470                         --exclude-promisor-objects "$OBJ" &&
 471                 git -C repo rev-list --ignore-missing --objects-edge-aggressive \
 472                         --exclude-promisor-objects "$OBJ" || return 1
 473         done
 474 '
 475
 476 test_expect_success 'single promisor remote can be re-initialized gracefully' '
 477         # ensure one promisor is in the promisors list
 478         rm -rf repo &&
 479         test_create_repo repo &&
 480         test_create_repo other &&
 481         git -C repo remote add foo "file://$(pwd)/other" &&
 482         git -C repo config remote.foo.promisor true &&
 483         git -C repo config extensions.partialclone foo &&
 484
 485         # reinitialize the promisors list
 486         git -C repo fetch --filter=blob:none foo
 487 '
 488
 489 test_expect_success 'gc repacks promisor objects separately from non-promisor objects' '
 490         rm -rf repo &&
 491         test_create_repo repo &&
 492         test_commit -C repo one &&
 493         test_commit -C repo two &&
 494
 495         TREE_ONE=$(git -C repo rev-parse one^{tree}) &&
 496         printf "$TREE_ONE\n" | pack_as_from_promisor &&
 497         TREE_TWO=$(git -C repo rev-parse two^{tree}) &&
 498         printf "$TREE_TWO\n" | pack_as_from_promisor &&
 499
 500         git -C repo config core.repositoryformatversion 1 &&
 501         git -C repo config extensions.partialclone "arbitrary string" &&
 502         git -C repo gc &&
 503
 504         # Ensure that exactly one promisor packfile exists, and that it
 505         # contains the trees but not the commits
 506         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 507         test_line_count = 1 promisorlist &&
 508         PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) &&
 509         git verify-pack $PROMISOR_PACKFILE -v >out &&
 510         grep "$TREE_ONE" out &&
 511         grep "$TREE_TWO" out &&
 512         ! grep "$(git -C repo rev-parse one)" out &&
 513         ! grep "$(git -C repo rev-parse two)" out &&
 514
 515         # Remove the promisor packfile and associated files
 516         rm $(sed "s/.promisor//" <promisorlist).* &&
 517
 518         # Ensure that the single other pack contains the commits, but not the
 519         # trees
 520         ls repo/.git/objects/pack/pack-*.pack >packlist &&
 521         test_line_count = 1 packlist &&
 522         git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 523         grep "$(git -C repo rev-parse one)" out &&
 524         grep "$(git -C repo rev-parse two)" out &&
 525         ! grep "$TREE_ONE" out &&
 526         ! grep "$TREE_TWO" out
 527 '
 528
 529 test_expect_success 'gc does not repack promisor objects if there are none' '
 530         rm -rf repo &&
 531         test_create_repo repo &&
 532         test_commit -C repo one &&
 533
 534         git -C repo config core.repositoryformatversion 1 &&
 535         git -C repo config extensions.partialclone "arbitrary string" &&
 536         git -C repo gc &&
 537
 538         # Ensure that only one pack exists
 539         ls repo/.git/objects/pack/pack-*.pack >packlist &&
 540         test_line_count = 1 packlist
 541 '
 542
 543 repack_and_check () {
 544         rm -rf repo2 &&
 545         cp -r repo repo2 &&
 546         if test x"$1" = "x--must-fail"
 547         then
 548                 shift
 549                 test_must_fail git -C repo2 repack $1 -d
 550         else
 551                 git -C repo2 repack $1 -d
 552         fi &&
 553         git -C repo2 fsck &&
 554
 555         git -C repo2 cat-file -e $2 &&
 556         git -C repo2 cat-file -e $3
 557 }
 558
 559 test_expect_success 'repack -d does not irreversibly delete promisor objects' '
 560         rm -rf repo &&
 561         test_create_repo repo &&
 562         git -C repo config core.repositoryformatversion 1 &&
 563         git -C repo config extensions.partialclone "arbitrary string" &&
 564
 565         git -C repo commit --allow-empty -m one &&
 566         git -C repo commit --allow-empty -m two &&
 567         git -C repo commit --allow-empty -m three &&
 568         git -C repo commit --allow-empty -m four &&
 569         ONE=$(git -C repo rev-parse HEAD^^^) &&
 570         TWO=$(git -C repo rev-parse HEAD^^) &&
 571         THREE=$(git -C repo rev-parse HEAD^) &&
 572
 573         printf "$TWO\n" | pack_as_from_promisor &&
 574         printf "$THREE\n" | pack_as_from_promisor &&
 575         delete_object repo "$ONE" &&
 576
 577         repack_and_check --must-fail -ab "$TWO" "$THREE" &&
 578         repack_and_check -a "$TWO" "$THREE" &&
 579         repack_and_check -A "$TWO" "$THREE" &&
 580         repack_and_check -l "$TWO" "$THREE"
 581 '
 582
 583 test_expect_success 'gc stops traversal when a missing but promised object is reached' '
 584         rm -rf repo &&
 585         test_create_repo repo &&
 586         test_commit -C repo my_commit &&
 587
 588         TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
 589         HASH=$(promise_and_delete $TREE_HASH) &&
 590
 591         git -C repo config core.repositoryformatversion 1 &&
 592         git -C repo config extensions.partialclone "arbitrary string" &&
 593         git -C repo gc &&
 594
 595         # Ensure that the promisor packfile still exists, and remove it
 596         test -e repo/.git/objects/pack/pack-$HASH.pack &&
 597         rm repo/.git/objects/pack/pack-$HASH.* &&
 598
 599         # Ensure that the single other pack contains the commit, but not the tree
 600         ls repo/.git/objects/pack/pack-*.pack >packlist &&
 601         test_line_count = 1 packlist &&
 602         git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 603         grep "$(git -C repo rev-parse HEAD)" out &&
 604         ! grep "$TREE_HASH" out
 605 '
 606
 607 test_expect_success 'do not fetch when checking existence of tree we construct ourselves' '
 608         rm -rf repo &&
 609         test_create_repo repo &&
 610         test_commit -C repo base &&
 611         test_commit -C repo side1 &&
 612         git -C repo checkout base &&
 613         test_commit -C repo side2 &&
 614
 615         git -C repo config core.repositoryformatversion 1 &&
 616         git -C repo config extensions.partialclone "arbitrary string" &&
 617
 618         git -C repo cherry-pick side1
 619 '
 620
 621 test_expect_success 'lazy-fetch when accessing object not in the_repository' '
 622         rm -rf full partial.git &&
 623         test_create_repo full &&
 624         test_commit -C full create-a-file file.txt &&
 625
 626         test_config -C full uploadpack.allowfilter 1 &&
 627         test_config -C full uploadpack.allowanysha1inwant 1 &&
 628         git clone --filter=blob:none --bare "file://$(pwd)/full" partial.git &&
 629         FILE_HASH=$(git -C full rev-parse HEAD:file.txt) &&
 630
 631         # Sanity check that the file is missing
 632         git -C partial.git rev-list --objects --missing=print HEAD >out &&
 633         grep "[?]$FILE_HASH" out &&
 634
 635         git -C full cat-file -s "$FILE_HASH" >expect &&
 636         test-tool partial-clone object-info partial.git "$FILE_HASH" >actual &&
 637         test_cmp expect actual &&
 638
 639         # Sanity check that the file is now present
 640         git -C partial.git rev-list --objects --missing=print HEAD >out &&
 641         ! grep "[?]$FILE_HASH" out
 642 '
 643
 644 . "$TEST_DIRECTORY"/lib-httpd.sh
 645 start_httpd
 646
 647 test_expect_success 'fetching of missing objects from an HTTP server' '
 648         rm -rf repo &&
 649         SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
 650         test_create_repo "$SERVER" &&
 651         test_commit -C "$SERVER" foo &&
 652         git -C "$SERVER" repack -a -d --write-bitmap-index &&
 653
 654         git clone $HTTPD_URL/smart/server repo &&
 655         HASH=$(git -C repo rev-parse foo) &&
 656         rm -rf repo/.git/objects/* &&
 657
 658         git -C repo config core.repositoryformatversion 1 &&
 659         git -C repo config extensions.partialclone "origin" &&
 660         git -C repo cat-file -p "$HASH" &&
 661
 662         # Ensure that the .promisor file is written, and check that its
 663         # associated packfile contains the object
 664         ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 665         test_line_count = 1 promisorlist &&
 666         IDX=$(sed "s/promisor$/idx/" promisorlist) &&
 667         git verify-pack --verbose "$IDX" >out &&
 668         grep "$HASH" out
 669 '
 670
 671 # DO NOT add non-httpd-specific tests here, because the last part of this
 672 # test script is only executed when httpd is available and enabled.
 673
 674 test_done