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 "$HASH"
 171'
 172
 173test_expect_success 'rev-list stops traversal at missing and promised commit' '
 174        rm -rf repo &&
 175        test_create_repo repo &&
 176        test_commit -C repo foo &&
 177        test_commit -C repo bar &&
 178
 179        FOO=$(git -C repo rev-parse foo) &&
 180        promise_and_delete "$FOO" &&
 181
 182        git -C repo config core.repositoryformatversion 1 &&
 183        git -C repo config extensions.partialclone "arbitrary string" &&
 184        git -C repo rev-list --exclude-promisor-objects --objects bar >out &&
 185        grep $(git -C repo rev-parse bar) out &&
 186        ! grep $FOO out
 187'
 188
 189test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
 190        rm -rf repo &&
 191        test_create_repo repo &&
 192        test_commit -C repo foo &&
 193        test_commit -C repo bar &&
 194        test_commit -C repo baz &&
 195
 196        promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
 197        promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
 198
 199        git -C repo config core.repositoryformatversion 1 &&
 200        git -C repo config extensions.partialclone "arbitrary string" &&
 201
 202        git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
 203        test_must_be_empty rev_list_err &&
 204        # 3 commits, 3 blobs, and 1 tree
 205        test_line_count = 7 objs &&
 206
 207        # Do the same for --exclude-promisor-objects, but with all trees gone.
 208        promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
 209        git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
 210        test_must_be_empty rev_list_err &&
 211        # 3 commits, no blobs or trees
 212        test_line_count = 3 objs
 213'
 214
 215test_expect_success 'missing non-root tree object and rev-list' '
 216        rm -rf repo &&
 217        test_create_repo repo &&
 218        mkdir repo/dir &&
 219        echo foo >repo/dir/foo &&
 220        git -C repo add dir/foo &&
 221        git -C repo commit -m "commit dir/foo" &&
 222
 223        promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
 224
 225        git -C repo config core.repositoryformatversion 1 &&
 226        git -C repo config extensions.partialclone "arbitrary string" &&
 227
 228        git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
 229        test_must_be_empty rev_list_err &&
 230        # 1 commit and 1 tree
 231        test_line_count = 2 objs
 232'
 233
 234test_expect_success 'rev-list stops traversal at missing and promised tree' '
 235        rm -rf repo &&
 236        test_create_repo repo &&
 237        test_commit -C repo foo &&
 238        mkdir repo/a_dir &&
 239        echo something >repo/a_dir/something &&
 240        git -C repo add a_dir/something &&
 241        git -C repo commit -m bar &&
 242
 243        # foo^{tree} (tree referenced from commit)
 244        TREE=$(git -C repo rev-parse foo^{tree}) &&
 245
 246        # a tree referenced by HEAD^{tree} (tree referenced from tree)
 247        TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) &&
 248
 249        promise_and_delete "$TREE" &&
 250        promise_and_delete "$TREE2" &&
 251
 252        git -C repo config core.repositoryformatversion 1 &&
 253        git -C repo config extensions.partialclone "arbitrary string" &&
 254        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 255        grep $(git -C repo rev-parse foo) out &&
 256        ! grep $TREE out &&
 257        grep $(git -C repo rev-parse HEAD) out &&
 258        ! grep $TREE2 out
 259'
 260
 261test_expect_success 'rev-list stops traversal at missing and promised blob' '
 262        rm -rf repo &&
 263        test_create_repo repo &&
 264        echo something >repo/something &&
 265        git -C repo add something &&
 266        git -C repo commit -m foo &&
 267
 268        BLOB=$(git -C repo hash-object -w something) &&
 269        promise_and_delete "$BLOB" &&
 270
 271        git -C repo config core.repositoryformatversion 1 &&
 272        git -C repo config extensions.partialclone "arbitrary string" &&
 273        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 274        grep $(git -C repo rev-parse HEAD) out &&
 275        ! grep $BLOB out
 276'
 277
 278test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
 279        rm -rf repo &&
 280        test_create_repo repo &&
 281        test_commit -C repo foo &&
 282        test_commit -C repo bar &&
 283        test_commit -C repo baz &&
 284
 285        COMMIT=$(git -C repo rev-parse foo) &&
 286        TREE=$(git -C repo rev-parse bar^{tree}) &&
 287        BLOB=$(git hash-object repo/baz.t) &&
 288        printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor &&
 289
 290        git -C repo config core.repositoryformatversion 1 &&
 291        git -C repo config extensions.partialclone "arbitrary string" &&
 292        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 293        ! grep $COMMIT out &&
 294        ! grep $TREE out &&
 295        ! grep $BLOB out &&
 296        grep $(git -C repo rev-parse bar) out  # sanity check that some walking was done
 297'
 298
 299test_expect_success 'rev-list accepts missing and promised objects on command line' '
 300        rm -rf repo &&
 301        test_create_repo repo &&
 302        test_commit -C repo foo &&
 303        test_commit -C repo bar &&
 304        test_commit -C repo baz &&
 305
 306        COMMIT=$(git -C repo rev-parse foo) &&
 307        TREE=$(git -C repo rev-parse bar^{tree}) &&
 308        BLOB=$(git hash-object repo/baz.t) &&
 309
 310        promise_and_delete $COMMIT &&
 311        promise_and_delete $TREE &&
 312        promise_and_delete $BLOB &&
 313
 314        git -C repo config core.repositoryformatversion 1 &&
 315        git -C repo config extensions.partialclone "arbitrary string" &&
 316        git -C repo rev-list --exclude-promisor-objects --objects "$COMMIT" "$TREE" "$BLOB"
 317'
 318
 319test_expect_success 'gc does not repack promisor objects' '
 320        rm -rf repo &&
 321        test_create_repo repo &&
 322        test_commit -C repo my_commit &&
 323
 324        TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
 325        HASH=$(printf "$TREE_HASH\n" | pack_as_from_promisor) &&
 326
 327        git -C repo config core.repositoryformatversion 1 &&
 328        git -C repo config extensions.partialclone "arbitrary string" &&
 329        git -C repo gc &&
 330
 331        # Ensure that the promisor packfile still exists, and remove it
 332        test -e repo/.git/objects/pack/pack-$HASH.pack &&
 333        rm repo/.git/objects/pack/pack-$HASH.* &&
 334
 335        # Ensure that the single other pack contains the commit, but not the tree
 336        ls repo/.git/objects/pack/pack-*.pack >packlist &&
 337        test_line_count = 1 packlist &&
 338        git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 339        grep "$(git -C repo rev-parse HEAD)" out &&
 340        ! grep "$TREE_HASH" out
 341'
 342
 343test_expect_success 'gc stops traversal when a missing but promised object is reached' '
 344        rm -rf repo &&
 345        test_create_repo repo &&
 346        test_commit -C repo my_commit &&
 347
 348        TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
 349        HASH=$(promise_and_delete $TREE_HASH) &&
 350
 351        git -C repo config core.repositoryformatversion 1 &&
 352        git -C repo config extensions.partialclone "arbitrary string" &&
 353        git -C repo gc &&
 354
 355        # Ensure that the promisor packfile still exists, and remove it
 356        test -e repo/.git/objects/pack/pack-$HASH.pack &&
 357        rm repo/.git/objects/pack/pack-$HASH.* &&
 358
 359        # Ensure that the single other pack contains the commit, but not the tree
 360        ls repo/.git/objects/pack/pack-*.pack >packlist &&
 361        test_line_count = 1 packlist &&
 362        git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
 363        grep "$(git -C repo rev-parse HEAD)" out &&
 364        ! grep "$TREE_HASH" out
 365'
 366
 367LIB_HTTPD_PORT=12345  # default port, 410, cannot be used as non-root
 368. "$TEST_DIRECTORY"/lib-httpd.sh
 369start_httpd
 370
 371test_expect_success 'fetching of missing objects from an HTTP server' '
 372        rm -rf repo &&
 373        SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
 374        test_create_repo "$SERVER" &&
 375        test_commit -C "$SERVER" foo &&
 376        git -C "$SERVER" repack -a -d --write-bitmap-index &&
 377
 378        git clone $HTTPD_URL/smart/server repo &&
 379        HASH=$(git -C repo rev-parse foo) &&
 380        rm -rf repo/.git/objects/* &&
 381
 382        git -C repo config core.repositoryformatversion 1 &&
 383        git -C repo config extensions.partialclone "origin" &&
 384        git -C repo cat-file -p "$HASH" &&
 385
 386        # Ensure that the .promisor file is written, and check that its
 387        # associated packfile contains the object
 388        ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 389        test_line_count = 1 promisorlist &&
 390        IDX=$(cat promisorlist | sed "s/promisor$/idx/") &&
 391        git verify-pack --verbose "$IDX" | grep "$HASH"
 392'
 393
 394stop_httpd
 395
 396test_done