Andrew's git - gitweb.git/blob - t/t0410-partial-clone.sh

   1#!/bin/sh
   2
   3test_description='partial clone'
   4
   5. ./test-lib.sh
   6
   7delete_object () {
   8        rm $1/.git/objects/$(echo $2 | sed -e 's|^..|&/|')
   9}
  10
  11pack_as_from_promisor () {
  12        HASH=$(git -C repo pack-objects .git/objects/pack/pack) &&
  13        >repo/.git/objects/pack/pack-$HASH.promisor &&
  14        echo $HASH
  15}
  16
  17promise_and_delete () {
  18        HASH=$(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 "$HASH"
  24}
  25
  26test_expect_success 'extensions.partialclone without filter' '
  27        test_create_repo server &&
  28        git clone --filter="blob:none" "file://$(pwd)/server" client &&
  29        git -C client config --unset core.partialclonefilter &&
  30        git -C client fetch origin
  31'
  32
  33test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
  34        rm -rf repo &&
  35        test_create_repo repo &&
  36        test_commit -C repo my_commit &&
  37
  38        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  39        C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) &&
  40
  41        # Reference $A only from reflog, and delete it
  42        git -C repo branch my_branch "$A" &&
  43        git -C repo branch -f my_branch my_commit &&
  44        delete_object repo "$A" &&
  45
  46        # State that we got $C, which refers to $A, from promisor
  47        printf "$C\n" | pack_as_from_promisor &&
  48
  49        # Normally, it fails
  50        test_must_fail git -C repo fsck &&
  51
  52        # But with the extension, it succeeds
  53        git -C repo config core.repositoryformatversion 1 &&
  54        git -C repo config extensions.partialclone "arbitrary string" &&
  55        git -C repo fsck
  56'
  57
  58test_expect_success 'missing reflog object, but promised by a tag, passes fsck' '
  59        rm -rf repo &&
  60        test_create_repo repo &&
  61        test_commit -C repo my_commit &&
  62
  63        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  64        git -C repo tag -a -m d my_tag_name $A &&
  65        T=$(git -C repo rev-parse my_tag_name) &&
  66        git -C repo tag -d my_tag_name &&
  67
  68        # Reference $A only from reflog, and delete it
  69        git -C repo branch my_branch "$A" &&
  70        git -C repo branch -f my_branch my_commit &&
  71        delete_object repo "$A" &&
  72
  73        # State that we got $T, which refers to $A, from promisor
  74        printf "$T\n" | pack_as_from_promisor &&
  75
  76        git -C repo config core.repositoryformatversion 1 &&
  77        git -C repo config extensions.partialclone "arbitrary string" &&
  78        git -C repo fsck
  79'
  80
  81test_expect_success 'missing reflog object alone fails fsck, even with extension set' '
  82        rm -rf repo &&
  83        test_create_repo repo &&
  84        test_commit -C repo my_commit &&
  85
  86        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  87        B=$(git -C repo commit-tree -m b HEAD^{tree}) &&
  88
  89        # Reference $A only from reflog, and delete it
  90        git -C repo branch my_branch "$A" &&
  91        git -C repo branch -f my_branch my_commit &&
  92        delete_object repo "$A" &&
  93
  94        git -C repo config core.repositoryformatversion 1 &&
  95        git -C repo config extensions.partialclone "arbitrary string" &&
  96        test_must_fail git -C repo fsck
  97'
  98
  99test_expect_success 'missing ref object, but promised, passes fsck' '
 100        rm -rf repo &&
 101        test_create_repo repo &&
 102        test_commit -C repo my_commit &&
 103
 104        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 105
 106        # Reference $A only from ref
 107        git -C repo branch my_branch "$A" &&
 108        promise_and_delete "$A" &&
 109
 110        git -C repo config core.repositoryformatversion 1 &&
 111        git -C repo config extensions.partialclone "arbitrary string" &&
 112        git -C repo fsck
 113'
 114
 115test_expect_success 'missing object, but promised, passes fsck' '
 116        rm -rf repo &&
 117        test_create_repo repo &&
 118        test_commit -C repo 1 &&
 119        test_commit -C repo 2 &&
 120        test_commit -C repo 3 &&
 121        git -C repo tag -a annotated_tag -m "annotated tag" &&
 122
 123        C=$(git -C repo rev-parse 1) &&
 124        T=$(git -C repo rev-parse 2^{tree}) &&
 125        B=$(git hash-object repo/3.t) &&
 126        AT=$(git -C repo rev-parse annotated_tag) &&
 127
 128        promise_and_delete "$C" &&
 129        promise_and_delete "$T" &&
 130        promise_and_delete "$B" &&
 131        promise_and_delete "$AT" &&
 132
 133        git -C repo config core.repositoryformatversion 1 &&
 134        git -C repo config extensions.partialclone "arbitrary string" &&
 135        git -C repo fsck
 136'
 137
 138test_expect_success 'missing CLI object, but promised, passes fsck' '
 139        rm -rf repo &&
 140        test_create_repo repo &&
 141        test_commit -C repo my_commit &&
 142
 143        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 144        promise_and_delete "$A" &&
 145
 146        git -C repo config core.repositoryformatversion 1 &&
 147        git -C repo config extensions.partialclone "arbitrary string" &&
 148        git -C repo fsck "$A"
 149'
 150
 151test_expect_success 'fetching of missing objects' '
 152        rm -rf repo &&
 153        test_create_repo server &&
 154        test_commit -C server foo &&
 155        git -C server repack -a -d --write-bitmap-index &&
 156
 157        git clone "file://$(pwd)/server" repo &&
 158        HASH=$(git -C repo rev-parse foo) &&
 159        rm -rf repo/.git/objects/* &&
 160
 161        git -C repo config core.repositoryformatversion 1 &&
 162        git -C repo config extensions.partialclone "origin" &&
 163        git -C repo cat-file -p "$HASH" &&
 164
 165        # Ensure that the .promisor file is written, and check that its
 166        # associated packfile contains the object
 167        ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 168        test_line_count = 1 promisorlist &&
 169        IDX=$(cat promisorlist | sed "s/promisor$/idx/") &&
 170        git verify-pack --verbose "$IDX" | grep "$HASH"
 171'
 172
 173test_expect_success 'fetching of missing objects works with ref-in-want enabled' '
 174        # ref-in-want requires protocol version 2
 175        git -C server config protocol.version 2 &&
 176        git -C server config uploadpack.allowrefinwant 1 &&
 177        git -C repo config protocol.version 2 &&
 178
 179        rm -rf repo/.git/objects/* &&
 180        rm -f trace &&
 181        GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" &&
 182        grep "git< fetch=.*ref-in-want" trace
 183'
 184
 185test_expect_success 'fetching of missing blobs works' '
 186        rm -rf server repo &&
 187        test_create_repo server &&
 188        test_commit -C server foo &&
 189        git -C server repack -a -d --write-bitmap-index &&
 190
 191        git clone "file://$(pwd)/server" repo &&
 192        git hash-object repo/foo.t >blobhash &&
 193        rm -rf repo/.git/objects/* &&
 194
 195        git -C server config uploadpack.allowanysha1inwant 1 &&
 196        git -C server config uploadpack.allowfilter 1 &&
 197        git -C repo config core.repositoryformatversion 1 &&
 198        git -C repo config extensions.partialclone "origin" &&
 199
 200        git -C repo cat-file -p $(cat blobhash)
 201'
 202
 203test_expect_success 'fetching of missing trees does not fetch blobs' '
 204        rm -rf server repo &&
 205        test_create_repo server &&
 206        test_commit -C server foo &&
 207        git -C server repack -a -d --write-bitmap-index &&
 208
 209        git clone "file://$(pwd)/server" repo &&
 210        git -C repo rev-parse foo^{tree} >treehash &&
 211        git hash-object repo/foo.t >blobhash &&
 212        rm -rf repo/.git/objects/* &&
 213
 214        git -C server config uploadpack.allowanysha1inwant 1 &&
 215        git -C server config uploadpack.allowfilter 1 &&
 216        git -C repo config core.repositoryformatversion 1 &&
 217        git -C repo config extensions.partialclone "origin" &&
 218        git -C repo cat-file -p $(cat treehash) &&
 219
 220        # Ensure that the tree, but not the blob, is fetched
 221        git -C repo rev-list --objects --missing=print $(cat treehash) >objects &&
 222        grep "^$(cat treehash)" objects &&
 223        grep "^[?]$(cat blobhash)" objects
 224'
 225
 226test_expect_success 'rev-list stops traversal at missing and promised commit' '
 227        rm -rf repo &&
 228        test_create_repo repo &&
 229        test_commit -C repo foo &&
 230        test_commit -C repo bar &&
 231
 232        FOO=$(git -C repo rev-parse foo) &&
 233        promise_and_delete "$FOO" &&
 234
 235        git -C repo config core.repositoryformatversion 1 &&
 236        git -C repo config extensions.partialclone "arbitrary string" &&
 237        GIT_TEST_COMMIT_GRAPH=0 git -C repo rev-list --exclude-promisor-objects --objects bar >out &&
 238        grep $(git -C repo rev-parse bar) out &&
 239        ! grep $FOO out
 240'
 241
 242test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
 243        rm -rf repo &&
 244        test_create_repo repo &&
 245        test_commit -C repo foo &&
 246        test_commit -C repo bar &&
 247        test_commit -C repo baz &&
 248
 249        promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
 250        promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
 251
 252        git -C repo config core.repositoryformatversion 1 &&
 253        git -C repo config extensions.partialclone "arbitrary string" &&
 254
 255        git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
 256        test_must_be_empty rev_list_err &&
 257        # 3 commits, 3 blobs, and 1 tree
 258        test_line_count = 7 objs &&
 259
 260        # Do the same for --exclude-promisor-objects, but with all trees gone.
 261        promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
 262        git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
 263        test_must_be_empty rev_list_err &&
 264        # 3 commits, no blobs or trees
 265        test_line_count = 3 objs
 266'
 267
 268test_expect_success 'missing non-root tree object and rev-list' '
 269        rm -rf repo &&
 270        test_create_repo repo &&
 271        mkdir repo/dir &&
 272        echo foo >repo/dir/foo &&
 273        git -C repo add dir/foo &&
 274        git -C repo commit -m "commit dir/foo" &&
 275
 276        promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
 277
 278        git -C repo config core.repositoryformatversion 1 &&
 279        git -C repo config extensions.partialclone "arbitrary string" &&
 280
 281        git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
 282        test_must_be_empty rev_list_err &&
 283        # 1 commit and 1 tree
 284        test_line_count = 2 objs
 285'
 286
 287test_expect_success 'rev-list stops traversal at missing and promised tree' '
 288        rm -rf repo &&
 289        test_create_repo repo &&
 290        test_commit -C repo foo &&
 291        mkdir repo/a_dir &&
 292        echo something >repo/a_dir/something &&
 293        git -C repo add a_dir/something &&
 294        git -C repo commit -m bar &&
 295
 296        # foo^{tree} (tree referenced from commit)
 297        TREE=$(git -C repo rev-parse foo^{tree}) &&
 298
 299        # a tree referenced by HEAD^{tree} (tree referenced from tree)
 300        TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) &&
 301
 302        promise_and_delete "$TREE" &&
 303        promise_and_delete "$TREE2" &&
 304
 305        git -C repo config core.repositoryformatversion 1 &&
 306        git -C repo config extensions.partialclone "arbitrary string" &&
 307        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 308        grep $(git -C repo rev-parse foo) out &&
 309        ! grep $TREE out &&
 310        grep $(git -C repo rev-parse HEAD) out &&
 311        ! grep $TREE2 out
 312'
 313
 314test_expect_success 'rev-list stops traversal at missing and promised blob' '
 315        rm -rf repo &&
 316        test_create_repo repo &&
 317        echo something >repo/something &&
 318        git -C repo add something &&
 319        git -C repo commit -m foo &&
 320
 321        BLOB=$(git -C repo hash-object -w something) &&
 322        promise_and_delete "$BLOB" &&
 323
 324        git -C repo config core.repositoryformatversion 1 &&
 325        git -C repo config extensions.partialclone "arbitrary string" &&
 326        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 327        grep $(git -C repo rev-parse HEAD) out &&
 328        ! grep $BLOB out
 329'
 330
 331test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
 332        rm -rf repo &&
 333        test_create_repo repo &&
 334        test_commit -C repo foo &&
 335        test_commit -C repo bar &&
 336        test_commit -C repo baz &&
 337
 338        COMMIT=$(git -C repo rev-parse foo) &&
 339        TREE=$(git -C repo rev-parse bar^{tree}) &&
 340        BLOB=$(git hash-object repo/baz.t) &&
 341        printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor &&
 342
 343        git -C repo config core.repositoryformatversion 1 &&
 344        git -C repo config extensions.partialclone "arbitrary string" &&
 345        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 346        ! grep $COMMIT out &&
 347        ! grep $TREE out &&
 348        ! grep $BLOB out &&
 349        grep $(git -C repo rev-parse bar) out  # sanity check that some walking was done
 350'
 351
 352test_expect_success 'rev-list accepts missing and promised objects on command line' '
 353        rm -rf repo &&
 354        test_create_repo repo &&
 355        test_commit -C repo foo &&
 356        test_commit -C repo bar &&
 357        test_commit -C repo baz &&
 358
 359        COMMIT=$(git -C repo rev-parse foo) &&
 360        TREE=$(git -C repo rev-parse bar^{tree}) &&
 361        BLOB=$(git hash-object repo/baz.t) &&
 362
 363        promise_and_delete $COMMIT &&
 364        promise_and_delete $TREE &&
 365        promise_and_delete $BLOB &&
 366
 367        git -C repo config core.repositoryformatversion 1 &&
 368        git -C repo config extensions.partialclone "arbitrary string" &&
 369        git -C repo rev-list --exclude-promisor-objects --objects "$COMMIT" "$TREE" "$BLOB"
 370'
 371
 372test_expect_success 'gc repacks promisor objects separately from non-promisor objects' '
 373        rm -rf repo &&
 374        test_create_repo repo &&
 375        test_commit -C repo one &&
 376        test_commit -C repo two &&
 377
 378        TREE_ONE=$(git -C repo rev-parse one^{tree}) &&
 379        printf "$TREE_ONE\n" | pack_as_from_promisor &&
 380        TREE_TWO=$(git -C repo rev-parse two^{tree}) &&
 381        printf "$TREE_TWO\n" | pack_as_from_promisor &&
 382
 383        git -C repo config core.repositoryformatversion 1 &&
 384        git -C repo config extensions.partialclone "arbitrary string" &&
 385        git -C repo gc &&
 386
 387        # Ensure that exactly one promisor packfile exists, and that it
 388        # contains the trees but not the commits
 389        ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 390        test_line_count = 1 promisorlist &&
 391        PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) &&
 392        git verify-pack $PROMISOR_PACKFILE -v >out &&
 393        grep "$TREE_ONE" out &&
 394        grep "$TREE_TWO" out &&
 395        ! grep "$(git -C repo rev-parse one)" out &&
 396        ! grep "$(git -C repo rev-parse two)" out &&
 397
 398        # Remove the promisor packfile and associated files
 399        rm $(sed "s/.promisor//" <promisorlist).* &&
 400
 401        # Ensure that the single other pack contains the commits, but not the
 402        # trees
 403        ls repo/.git/objects/pack/pack-*.pack >packlist &&
 404        test_line_count = 1 packlist &&
 405        git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 406        grep "$(git -C repo rev-parse one)" out &&
 407        grep "$(git -C repo rev-parse two)" out &&
 408        ! grep "$TREE_ONE" out &&
 409        ! grep "$TREE_TWO" out
 410'
 411
 412test_expect_success 'gc does not repack promisor objects if there are none' '
 413        rm -rf repo &&
 414        test_create_repo repo &&
 415        test_commit -C repo one &&
 416
 417        git -C repo config core.repositoryformatversion 1 &&
 418        git -C repo config extensions.partialclone "arbitrary string" &&
 419        git -C repo gc &&
 420
 421        # Ensure that only one pack exists
 422        ls repo/.git/objects/pack/pack-*.pack >packlist &&
 423        test_line_count = 1 packlist
 424'
 425
 426repack_and_check () {
 427        rm -rf repo2 &&
 428        cp -r repo repo2 &&
 429        git -C repo2 repack $1 -d &&
 430        git -C repo2 fsck &&
 431
 432        git -C repo2 cat-file -e $2 &&
 433        git -C repo2 cat-file -e $3
 434}
 435
 436test_expect_success 'repack -d does not irreversibly delete promisor objects' '
 437        rm -rf repo &&
 438        test_create_repo repo &&
 439        git -C repo config core.repositoryformatversion 1 &&
 440        git -C repo config extensions.partialclone "arbitrary string" &&
 441
 442        git -C repo commit --allow-empty -m one &&
 443        git -C repo commit --allow-empty -m two &&
 444        git -C repo commit --allow-empty -m three &&
 445        git -C repo commit --allow-empty -m four &&
 446        ONE=$(git -C repo rev-parse HEAD^^^) &&
 447        TWO=$(git -C repo rev-parse HEAD^^) &&
 448        THREE=$(git -C repo rev-parse HEAD^) &&
 449
 450        printf "$TWO\n" | pack_as_from_promisor &&
 451        printf "$THREE\n" | pack_as_from_promisor &&
 452        delete_object repo "$ONE" &&
 453
 454        repack_and_check -a "$TWO" "$THREE" &&
 455        repack_and_check -A "$TWO" "$THREE" &&
 456        repack_and_check -l "$TWO" "$THREE"
 457'
 458
 459test_expect_success 'gc stops traversal when a missing but promised object is reached' '
 460        rm -rf repo &&
 461        test_create_repo repo &&
 462        test_commit -C repo my_commit &&
 463
 464        TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
 465        HASH=$(promise_and_delete $TREE_HASH) &&
 466
 467        git -C repo config core.repositoryformatversion 1 &&
 468        git -C repo config extensions.partialclone "arbitrary string" &&
 469        git -C repo gc &&
 470
 471        # Ensure that the promisor packfile still exists, and remove it
 472        test -e repo/.git/objects/pack/pack-$HASH.pack &&
 473        rm repo/.git/objects/pack/pack-$HASH.* &&
 474
 475        # Ensure that the single other pack contains the commit, but not the tree
 476        ls repo/.git/objects/pack/pack-*.pack >packlist &&
 477        test_line_count = 1 packlist &&
 478        git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 479        grep "$(git -C repo rev-parse HEAD)" out &&
 480        ! grep "$TREE_HASH" out
 481'
 482
 483LIB_HTTPD_PORT=12345  # default port, 410, cannot be used as non-root
 484. "$TEST_DIRECTORY"/lib-httpd.sh
 485start_httpd
 486
 487test_expect_success 'fetching of missing objects from an HTTP server' '
 488        rm -rf repo &&
 489        SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
 490        test_create_repo "$SERVER" &&
 491        test_commit -C "$SERVER" foo &&
 492        git -C "$SERVER" repack -a -d --write-bitmap-index &&
 493
 494        git clone $HTTPD_URL/smart/server repo &&
 495        HASH=$(git -C repo rev-parse foo) &&
 496        rm -rf repo/.git/objects/* &&
 497
 498        git -C repo config core.repositoryformatversion 1 &&
 499        git -C repo config extensions.partialclone "origin" &&
 500        git -C repo cat-file -p "$HASH" &&
 501
 502        # Ensure that the .promisor file is written, and check that its
 503        # associated packfile contains the object
 504        ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 505        test_line_count = 1 promisorlist &&
 506        IDX=$(cat promisorlist | sed "s/promisor$/idx/") &&
 507        git verify-pack --verbose "$IDX" | grep "$HASH"
 508'
 509
 510stop_httpd
 511
 512test_done