Andrew's git - gitweb.git/blob

3ca6af5cdae6a11579d04e2467e033444b88ef72
   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-$HASH.promisor
  14}
  15
  16promise_and_delete () {
  17        HASH=$(git -C repo rev-parse "$1") &&
  18        git -C repo tag -a -m message my_annotated_tag "$HASH" &&
  19        git -C repo rev-parse my_annotated_tag | pack_as_from_promisor &&
  20        git -C repo tag -d my_annotated_tag &&
  21        delete_object repo "$HASH"
  22}
  23
  24test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
  25        test_create_repo repo &&
  26        test_commit -C repo my_commit &&
  27
  28        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  29        C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) &&
  30
  31        # Reference $A only from reflog, and delete it
  32        git -C repo branch my_branch "$A" &&
  33        git -C repo branch -f my_branch my_commit &&
  34        delete_object repo "$A" &&
  35
  36        # State that we got $C, which refers to $A, from promisor
  37        printf "$C\n" | pack_as_from_promisor &&
  38
  39        # Normally, it fails
  40        test_must_fail git -C repo fsck &&
  41
  42        # But with the extension, it succeeds
  43        git -C repo config core.repositoryformatversion 1 &&
  44        git -C repo config extensions.partialclone "arbitrary string" &&
  45        git -C repo fsck
  46'
  47
  48test_expect_success 'missing reflog object, but promised by a tag, passes fsck' '
  49        rm -rf repo &&
  50        test_create_repo repo &&
  51        test_commit -C repo my_commit &&
  52
  53        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  54        git -C repo tag -a -m d my_tag_name $A &&
  55        T=$(git -C repo rev-parse my_tag_name) &&
  56        git -C repo tag -d my_tag_name &&
  57
  58        # Reference $A only from reflog, and delete it
  59        git -C repo branch my_branch "$A" &&
  60        git -C repo branch -f my_branch my_commit &&
  61        delete_object repo "$A" &&
  62
  63        # State that we got $T, which refers to $A, from promisor
  64        printf "$T\n" | pack_as_from_promisor &&
  65
  66        git -C repo config core.repositoryformatversion 1 &&
  67        git -C repo config extensions.partialclone "arbitrary string" &&
  68        git -C repo fsck
  69'
  70
  71test_expect_success 'missing reflog object alone fails fsck, even with extension set' '
  72        rm -rf repo &&
  73        test_create_repo repo &&
  74        test_commit -C repo my_commit &&
  75
  76        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  77        B=$(git -C repo commit-tree -m b HEAD^{tree}) &&
  78
  79        # Reference $A only from reflog, and delete it
  80        git -C repo branch my_branch "$A" &&
  81        git -C repo branch -f my_branch my_commit &&
  82        delete_object repo "$A" &&
  83
  84        git -C repo config core.repositoryformatversion 1 &&
  85        git -C repo config extensions.partialclone "arbitrary string" &&
  86        test_must_fail git -C repo fsck
  87'
  88
  89test_expect_success 'missing ref object, but promised, passes fsck' '
  90        rm -rf repo &&
  91        test_create_repo repo &&
  92        test_commit -C repo my_commit &&
  93
  94        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
  95
  96        # Reference $A only from ref
  97        git -C repo branch my_branch "$A" &&
  98        promise_and_delete "$A" &&
  99
 100        git -C repo config core.repositoryformatversion 1 &&
 101        git -C repo config extensions.partialclone "arbitrary string" &&
 102        git -C repo fsck
 103'
 104
 105test_expect_success 'missing object, but promised, passes fsck' '
 106        rm -rf repo &&
 107        test_create_repo repo &&
 108        test_commit -C repo 1 &&
 109        test_commit -C repo 2 &&
 110        test_commit -C repo 3 &&
 111        git -C repo tag -a annotated_tag -m "annotated tag" &&
 112
 113        C=$(git -C repo rev-parse 1) &&
 114        T=$(git -C repo rev-parse 2^{tree}) &&
 115        B=$(git hash-object repo/3.t) &&
 116        AT=$(git -C repo rev-parse annotated_tag) &&
 117
 118        promise_and_delete "$C" &&
 119        promise_and_delete "$T" &&
 120        promise_and_delete "$B" &&
 121        promise_and_delete "$AT" &&
 122
 123        git -C repo config core.repositoryformatversion 1 &&
 124        git -C repo config extensions.partialclone "arbitrary string" &&
 125        git -C repo fsck
 126'
 127
 128test_expect_success 'missing CLI object, but promised, passes fsck' '
 129        rm -rf repo &&
 130        test_create_repo repo &&
 131        test_commit -C repo my_commit &&
 132
 133        A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
 134        promise_and_delete "$A" &&
 135
 136        git -C repo config core.repositoryformatversion 1 &&
 137        git -C repo config extensions.partialclone "arbitrary string" &&
 138        git -C repo fsck "$A"
 139'
 140
 141test_expect_success 'fetching of missing objects' '
 142        rm -rf repo &&
 143        test_create_repo server &&
 144        test_commit -C server foo &&
 145        git -C server repack -a -d --write-bitmap-index &&
 146
 147        git clone "file://$(pwd)/server" repo &&
 148        HASH=$(git -C repo rev-parse foo) &&
 149        rm -rf repo/.git/objects/* &&
 150
 151        git -C repo config core.repositoryformatversion 1 &&
 152        git -C repo config extensions.partialclone "origin" &&
 153        git -C repo cat-file -p "$HASH" &&
 154
 155        # Ensure that the .promisor file is written, and check that its
 156        # associated packfile contains the object
 157        ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 158        test_line_count = 1 promisorlist &&
 159        IDX=$(cat promisorlist | sed "s/promisor$/idx/") &&
 160        git verify-pack --verbose "$IDX" | grep "$HASH"
 161'
 162
 163test_expect_success 'rev-list stops traversal at missing and promised commit' '
 164        rm -rf repo &&
 165        test_create_repo repo &&
 166        test_commit -C repo foo &&
 167        test_commit -C repo bar &&
 168
 169        FOO=$(git -C repo rev-parse foo) &&
 170        promise_and_delete "$FOO" &&
 171
 172        git -C repo config core.repositoryformatversion 1 &&
 173        git -C repo config extensions.partialclone "arbitrary string" &&
 174        git -C repo rev-list --exclude-promisor-objects --objects bar >out &&
 175        grep $(git -C repo rev-parse bar) out &&
 176        ! grep $FOO out
 177'
 178
 179test_expect_success 'rev-list stops traversal at missing and promised tree' '
 180        rm -rf repo &&
 181        test_create_repo repo &&
 182        test_commit -C repo foo &&
 183        mkdir repo/a_dir &&
 184        echo something >repo/a_dir/something &&
 185        git -C repo add a_dir/something &&
 186        git -C repo commit -m bar &&
 187
 188        # foo^{tree} (tree referenced from commit)
 189        TREE=$(git -C repo rev-parse foo^{tree}) &&
 190
 191        # a tree referenced by HEAD^{tree} (tree referenced from tree)
 192        TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) &&
 193
 194        promise_and_delete "$TREE" &&
 195        promise_and_delete "$TREE2" &&
 196
 197        git -C repo config core.repositoryformatversion 1 &&
 198        git -C repo config extensions.partialclone "arbitrary string" &&
 199        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 200        grep $(git -C repo rev-parse foo) out &&
 201        ! grep $TREE out &&
 202        grep $(git -C repo rev-parse HEAD) out &&
 203        ! grep $TREE2 out
 204'
 205
 206test_expect_success 'rev-list stops traversal at missing and promised blob' '
 207        rm -rf repo &&
 208        test_create_repo repo &&
 209        echo something >repo/something &&
 210        git -C repo add something &&
 211        git -C repo commit -m foo &&
 212
 213        BLOB=$(git -C repo hash-object -w something) &&
 214        promise_and_delete "$BLOB" &&
 215
 216        git -C repo config core.repositoryformatversion 1 &&
 217        git -C repo config extensions.partialclone "arbitrary string" &&
 218        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 219        grep $(git -C repo rev-parse HEAD) out &&
 220        ! grep $BLOB out
 221'
 222
 223test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
 224        rm -rf repo &&
 225        test_create_repo repo &&
 226        test_commit -C repo foo &&
 227        test_commit -C repo bar &&
 228        test_commit -C repo baz &&
 229
 230        COMMIT=$(git -C repo rev-parse foo) &&
 231        TREE=$(git -C repo rev-parse bar^{tree}) &&
 232        BLOB=$(git hash-object repo/baz.t) &&
 233        printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor &&
 234
 235        git -C repo config core.repositoryformatversion 1 &&
 236        git -C repo config extensions.partialclone "arbitrary string" &&
 237        git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
 238        ! grep $COMMIT out &&
 239        ! grep $TREE out &&
 240        ! grep $BLOB out &&
 241        grep $(git -C repo rev-parse bar) out  # sanity check that some walking was done
 242'
 243
 244test_expect_success 'rev-list accepts missing and promised objects on command line' '
 245        rm -rf repo &&
 246        test_create_repo repo &&
 247        test_commit -C repo foo &&
 248        test_commit -C repo bar &&
 249        test_commit -C repo baz &&
 250
 251        COMMIT=$(git -C repo rev-parse foo) &&
 252        TREE=$(git -C repo rev-parse bar^{tree}) &&
 253        BLOB=$(git hash-object repo/baz.t) &&
 254
 255        promise_and_delete $COMMIT &&
 256        promise_and_delete $TREE &&
 257        promise_and_delete $BLOB &&
 258
 259        git -C repo config core.repositoryformatversion 1 &&
 260        git -C repo config extensions.partialclone "arbitrary string" &&
 261        git -C repo rev-list --exclude-promisor-objects --objects "$COMMIT" "$TREE" "$BLOB"
 262'
 263
 264LIB_HTTPD_PORT=12345  # default port, 410, cannot be used as non-root
 265. "$TEST_DIRECTORY"/lib-httpd.sh
 266start_httpd
 267
 268test_expect_success 'fetching of missing objects from an HTTP server' '
 269        rm -rf repo &&
 270        SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
 271        test_create_repo "$SERVER" &&
 272        test_commit -C "$SERVER" foo &&
 273        git -C "$SERVER" repack -a -d --write-bitmap-index &&
 274
 275        git clone $HTTPD_URL/smart/server repo &&
 276        HASH=$(git -C repo rev-parse foo) &&
 277        rm -rf repo/.git/objects/* &&
 278
 279        git -C repo config core.repositoryformatversion 1 &&
 280        git -C repo config extensions.partialclone "origin" &&
 281        git -C repo cat-file -p "$HASH" &&
 282
 283        # Ensure that the .promisor file is written, and check that its
 284        # associated packfile contains the object
 285        ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
 286        test_line_count = 1 promisorlist &&
 287        IDX=$(cat promisorlist | sed "s/promisor$/idx/") &&
 288        git verify-pack --verbose "$IDX" | grep "$HASH"
 289'
 290
 291stop_httpd
 292
 293test_done