t/t6120-describe.sh

   1 #!/bin/sh
   2
   3 test_description='test describe'
   4
   5 #  o---o-----o----o----o-------o----x
   6 #       \   D,R   e           /
   7 #        \---o-------------o-'
   8 #         \  B            /
   9 #          `-o----o----o-'
  10 #                 A    c
  11 #
  12 # First parent of a merge commit is on the same line, second parent below.
  13
  14 . ./test-lib.sh
  15
  16 check_describe () {
  17         expect="$1"
  18         shift
  19         describe_opts="$@"
  20         test_expect_success "describe $describe_opts" '
  21         R=$(git describe $describe_opts 2>err.actual) &&
  22         case "$R" in
  23         $expect)        echo happy ;;
  24         *)      echo "Oops - $R is not $expect" &&
  25                 false ;;
  26         esac
  27         '
  28 }
  29
  30 test_expect_success setup '
  31
  32         test_tick &&
  33         echo one >file && git add file && git commit -m initial &&
  34         one=$(git rev-parse HEAD) &&
  35
  36         git describe --always HEAD &&
  37
  38         test_tick &&
  39         echo two >file && git add file && git commit -m second &&
  40         two=$(git rev-parse HEAD) &&
  41
  42         test_tick &&
  43         echo three >file && git add file && git commit -m third &&
  44
  45         test_tick &&
  46         echo A >file && git add file && git commit -m A &&
  47         test_tick &&
  48         git tag -a -m A A &&
  49
  50         test_tick &&
  51         echo c >file && git add file && git commit -m c &&
  52         test_tick &&
  53         git tag c &&
  54
  55         git reset --hard $two &&
  56         test_tick &&
  57         echo B >side && git add side && git commit -m B &&
  58         test_tick &&
  59         git tag -a -m B B &&
  60
  61         test_tick &&
  62         git merge -m Merged c &&
  63         merged=$(git rev-parse HEAD) &&
  64
  65         git reset --hard $two &&
  66         test_tick &&
  67         echo D >another && git add another && git commit -m D &&
  68         test_tick &&
  69         git tag -a -m D D &&
  70         test_tick &&
  71         git tag -a -m R R &&
  72
  73         test_tick &&
  74         echo DD >another && git commit -a -m another &&
  75
  76         test_tick &&
  77         git tag e &&
  78
  79         test_tick &&
  80         echo DDD >another && git commit -a -m "yet another" &&
  81
  82         test_tick &&
  83         git merge -m Merged $merged &&
  84
  85         test_tick &&
  86         echo X >file && echo X >side && git add file side &&
  87         git commit -m x
  88
  89 '
  90
  91 check_describe A-* HEAD
  92 check_describe A-* HEAD^
  93 check_describe R-* HEAD^^
  94 check_describe A-* HEAD^^2
  95 check_describe B HEAD^^2^
  96 check_describe R-* HEAD^^^
  97
  98 check_describe c-* --tags HEAD
  99 check_describe c-* --tags HEAD^
 100 check_describe e-* --tags HEAD^^
 101 check_describe c-* --tags HEAD^^2
 102 check_describe B --tags HEAD^^2^
 103 check_describe e --tags HEAD^^^
 104
 105 check_describe heads/master --all HEAD
 106 check_describe tags/c-* --all HEAD^
 107 check_describe tags/e --all HEAD^^^
 108
 109 check_describe B-0-* --long HEAD^^2^
 110 check_describe A-3-* --long HEAD^^2
 111
 112 check_describe c-7-* --tags
 113 check_describe e-3-* --first-parent --tags
 114
 115 test_expect_success 'describe --contains defaults to HEAD without commit-ish' '
 116         echo "A^0" >expect &&
 117         git checkout A &&
 118         test_when_finished "git checkout -" &&
 119         git describe --contains >actual &&
 120         test_cmp expect actual
 121 '
 122
 123 check_describe tags/A --all A^0
 124 test_expect_success 'no warning was displayed for A' '
 125         test_must_be_empty err.actual
 126 '
 127
 128 test_expect_success 'rename tag A to Q locally' '
 129         mv .git/refs/tags/A .git/refs/tags/Q
 130 '
 131 cat - >err.expect <<EOF
 132 warning: tag 'A' is really 'Q' here
 133 EOF
 134 check_describe A-* HEAD
 135 test_expect_success 'warning was displayed for Q' '
 136         test_i18ncmp err.expect err.actual
 137 '
 138 test_expect_success 'rename tag Q back to A' '
 139         mv .git/refs/tags/Q .git/refs/tags/A
 140 '
 141
 142 test_expect_success 'pack tag refs' 'git pack-refs'
 143 check_describe A-* HEAD
 144
 145 test_expect_success 'describe works from outside repo using --git-dir' '
 146         git clone --bare "$TRASH_DIRECTORY" "$TRASH_DIRECTORY/bare" &&
 147         git --git-dir "$TRASH_DIRECTORY/bare" describe >out &&
 148         grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
 149 '
 150
 151 check_describe "A-*[0-9a-f]" --dirty
 152
 153 test_expect_success 'describe --dirty with --work-tree' '
 154         (
 155                 cd "$TEST_DIRECTORY" &&
 156                 git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
 157         ) &&
 158         grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
 159 '
 160
 161 test_expect_success 'set-up dirty work tree' '
 162         echo >>file
 163 '
 164
 165 check_describe "A-*[0-9a-f]-dirty" --dirty
 166
 167 test_expect_success 'describe --dirty with --work-tree (dirty)' '
 168         (
 169                 cd "$TEST_DIRECTORY" &&
 170                 git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
 171         ) &&
 172         grep -E "^A-[1-9][0-9]?-g[0-9a-f]+-dirty$" out
 173 '
 174
 175 check_describe "A-*[0-9a-f].mod" --dirty=.mod
 176
 177 test_expect_success 'describe --dirty=.mod with --work-tree (dirty)' '
 178         (
 179                 cd "$TEST_DIRECTORY" &&
 180                 git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty=.mod >"$TRASH_DIRECTORY/out"
 181         ) &&
 182         grep -E "^A-[1-9][0-9]?-g[0-9a-f]+.mod$" out
 183 '
 184
 185 test_expect_success 'describe --dirty HEAD' '
 186         test_must_fail git describe --dirty HEAD
 187 '
 188
 189 test_expect_success 'set-up matching pattern tests' '
 190         git tag -a -m test-annotated test-annotated &&
 191         echo >>file &&
 192         test_tick &&
 193         git commit -a -m "one more" &&
 194         git tag test1-lightweight &&
 195         echo >>file &&
 196         test_tick &&
 197         git commit -a -m "yet another" &&
 198         git tag test2-lightweight &&
 199         echo >>file &&
 200         test_tick &&
 201         git commit -a -m "even more"
 202
 203 '
 204
 205 check_describe "test-annotated-*" --match="test-*"
 206
 207 check_describe "test1-lightweight-*" --tags --match="test1-*"
 208
 209 check_describe "test2-lightweight-*" --tags --match="test2-*"
 210
 211 check_describe "test2-lightweight-*" --long --tags --match="test2-*" HEAD^
 212
 213 check_describe "test2-lightweight-*" --long --tags --match="test1-*" --match="test2-*" HEAD^
 214
 215 check_describe "test2-lightweight-*" --long --tags --match="test1-*" --no-match --match="test2-*" HEAD^
 216
 217 check_describe "test1-lightweight-*" --long --tags --match="test1-*" --match="test3-*" HEAD
 218
 219 check_describe "test1-lightweight-*" --long --tags --match="test3-*" --match="test1-*" HEAD
 220
 221 test_expect_success 'set-up branches' '
 222         git branch branch_A A &&
 223         git branch branch_C c &&
 224         git update-ref refs/remotes/origin/remote_branch_A "A^{commit}" &&
 225         git update-ref refs/remotes/origin/remote_branch_C "c^{commit}" &&
 226         git update-ref refs/original/original_branch_A test-annotated~2
 227 '
 228
 229 check_describe "heads/branch_A*" --all --match="branch_*" --exclude="branch_C" HEAD
 230
 231 check_describe "remotes/origin/remote_branch_A*" --all --match="origin/remote_branch_*" --exclude="origin/remote_branch_C" HEAD
 232
 233 check_describe "original/original_branch_A*" --all test-annotated~1
 234
 235 test_expect_success '--match does not work for other types' '
 236         test_must_fail git describe --all --match="*original_branch_*" test-annotated~1
 237 '
 238
 239 test_expect_success '--exclude does not work for other types' '
 240         R=$(git describe --all --exclude="any_pattern_even_not_matching" test-annotated~1) &&
 241         case "$R" in
 242         *original_branch_A*) echo "fail: Found unknown reference $R with --exclude"
 243                 false;;
 244         *) echo ok: Found some known type;;
 245         esac
 246 '
 247
 248 test_expect_success 'name-rev with exact tags' '
 249         echo A >expect &&
 250         tag_object=$(git rev-parse refs/tags/A) &&
 251         git name-rev --tags --name-only $tag_object >actual &&
 252         test_cmp expect actual &&
 253
 254         echo "A^0" >expect &&
 255         tagged_commit=$(git rev-parse "refs/tags/A^0") &&
 256         git name-rev --tags --name-only $tagged_commit >actual &&
 257         test_cmp expect actual
 258 '
 259
 260 test_expect_success 'name-rev --all' '
 261         >expect.unsorted &&
 262         for rev in $(git rev-list --all)
 263         do
 264                 git name-rev $rev >>expect.unsorted
 265         done &&
 266         sort <expect.unsorted >expect &&
 267         git name-rev --all >actual.unsorted &&
 268         sort <actual.unsorted >actual &&
 269         test_cmp expect actual
 270 '
 271
 272 test_expect_success 'name-rev --stdin' '
 273         >expect.unsorted &&
 274         for rev in $(git rev-list --all)
 275         do
 276                 name=$(git name-rev --name-only $rev) &&
 277                 echo "$rev ($name)" >>expect.unsorted
 278         done &&
 279         sort <expect.unsorted >expect &&
 280         git rev-list --all | git name-rev --stdin >actual.unsorted &&
 281         sort <actual.unsorted >actual &&
 282         test_cmp expect actual
 283 '
 284
 285 test_expect_success 'describe --contains with the exact tags' '
 286         echo "A^0" >expect &&
 287         tag_object=$(git rev-parse refs/tags/A) &&
 288         git describe --contains $tag_object >actual &&
 289         test_cmp expect actual &&
 290
 291         echo "A^0" >expect &&
 292         tagged_commit=$(git rev-parse "refs/tags/A^0") &&
 293         git describe --contains $tagged_commit >actual &&
 294         test_cmp expect actual
 295 '
 296
 297 test_expect_success 'describe --contains and --match' '
 298         echo "A^0" >expect &&
 299         tagged_commit=$(git rev-parse "refs/tags/A^0") &&
 300         test_must_fail git describe --contains --match="B" $tagged_commit &&
 301         git describe --contains --match="B" --match="A" $tagged_commit >actual &&
 302         test_cmp expect actual
 303 '
 304
 305 test_expect_success 'describe --exclude' '
 306         echo "c~1" >expect &&
 307         tagged_commit=$(git rev-parse "refs/tags/A^0") &&
 308         test_must_fail git describe --contains --match="B" $tagged_commit &&
 309         git describe --contains --match="?" --exclude="A" $tagged_commit >actual &&
 310         test_cmp expect actual
 311 '
 312
 313 test_expect_success 'describe --contains and --no-match' '
 314         echo "A^0" >expect &&
 315         tagged_commit=$(git rev-parse "refs/tags/A^0") &&
 316         git describe --contains --match="B" --no-match $tagged_commit >actual &&
 317         test_cmp expect actual
 318 '
 319
 320 test_expect_success 'setup and absorb a submodule' '
 321         test_create_repo sub1 &&
 322         test_commit -C sub1 initial &&
 323         git submodule add ./sub1 &&
 324         git submodule absorbgitdirs &&
 325         git commit -a -m "add submodule" &&
 326         git describe --dirty >expect &&
 327         git describe --broken >out &&
 328         test_cmp expect out
 329 '
 330
 331 test_expect_success 'describe chokes on severely broken submodules' '
 332         mv .git/modules/sub1/ .git/modules/sub_moved &&
 333         test_must_fail git describe --dirty
 334 '
 335
 336 test_expect_success 'describe ignoring a broken submodule' '
 337         git describe --broken >out &&
 338         grep broken out
 339 '
 340
 341 test_expect_success 'describe with --work-tree ignoring a broken submodule' '
 342         (
 343                 cd "$TEST_DIRECTORY" &&
 344                 git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --broken >"$TRASH_DIRECTORY/out"
 345         ) &&
 346         test_when_finished "mv .git/modules/sub_moved .git/modules/sub1" &&
 347         grep broken out
 348 '
 349
 350 test_expect_success 'describe a blob at a directly tagged commit' '
 351         echo "make it a unique blob" >file &&
 352         git add file && git commit -m "content in file" &&
 353         git tag -a -m "latest annotated tag" unique-file &&
 354         git describe HEAD:file >actual &&
 355         echo "unique-file:file" >expect &&
 356         test_cmp expect actual
 357 '
 358
 359 test_expect_success 'describe a blob with its first introduction' '
 360         git commit --allow-empty -m "empty commit" &&
 361         git rm file &&
 362         git commit -m "delete blob" &&
 363         git revert HEAD &&
 364         git commit --allow-empty -m "empty commit" &&
 365         git describe HEAD:file >actual &&
 366         echo "unique-file:file" >expect &&
 367         test_cmp expect actual
 368 '
 369
 370 test_expect_success 'describe directly tagged blob' '
 371         git tag test-blob unique-file:file &&
 372         git describe test-blob >actual &&
 373         echo "unique-file:file" >expect &&
 374         # suboptimal: we rather want to see "test-blob"
 375         test_cmp expect actual
 376 '
 377
 378 test_expect_success 'describe tag object' '
 379         git tag test-blob-1 -a -m msg unique-file:file &&
 380         test_must_fail git describe test-blob-1 2>actual &&
 381         test_i18ngrep "fatal: test-blob-1 is neither a commit nor blob" actual
 382 '
 383
 384 test_expect_success ULIMIT_STACK_SIZE 'name-rev works in a deep repo' '
 385         i=1 &&
 386         while test $i -lt 8000
 387         do
 388                 echo "commit refs/heads/master
 389 committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200
 390 data <<EOF
 391 commit #$i
 392 EOF"
 393                 test $i = 1 && echo "from refs/heads/master^0"
 394                 i=$(($i + 1))
 395         done | git fast-import &&
 396         git checkout master &&
 397         git tag far-far-away HEAD^ &&
 398         echo "HEAD~4000 tags/far-far-away~3999" >expect &&
 399         git name-rev HEAD~4000 >actual &&
 400         test_cmp expect actual &&
 401         run_with_limited_stack git name-rev HEAD~4000 >actual &&
 402         test_cmp expect actual
 403 '
 404
 405 test_expect_success ULIMIT_STACK_SIZE 'describe works in a deep repo' '
 406         git tag -f far-far-away HEAD~7999 &&
 407         echo "far-far-away" >expect &&
 408         git describe --tags --abbrev=0 HEAD~4000 >actual &&
 409         test_cmp expect actual &&
 410         run_with_limited_stack git describe --tags --abbrev=0 HEAD~4000 >actual &&
 411         test_cmp expect actual
 412 '
 413
 414 check_describe tags/A --all A
 415 check_describe tags/c --all c
 416 check_describe heads/branch_A --all --match='branch_*' branch_A
 417
 418 test_expect_success 'describe complains about tree object' '
 419         test_must_fail git describe HEAD^{tree}
 420 '
 421
 422 test_expect_success 'describe complains about missing object' '
 423         test_must_fail git describe $ZERO_OID
 424 '
 425
 426 test_expect_success 'name-rev a rev shortly after epoch' '
 427         test_when_finished "git checkout master" &&
 428
 429         git checkout --orphan no-timestamp-underflow &&
 430         # Any date closer to epoch than the CUTOFF_DATE_SLOP constant
 431         # in builtin/name-rev.c.
 432         GIT_COMMITTER_DATE="@1234 +0000" \
 433         git commit -m "committer date shortly after epoch" &&
 434         old_commit_oid=$(git rev-parse HEAD) &&
 435
 436         echo "$old_commit_oid no-timestamp-underflow" >expect &&
 437         git name-rev $old_commit_oid >actual &&
 438         test_cmp expect actual
 439 '
 440
 441 # A--------------master
 442 #  \            /
 443 #   \----------M2
 444 #    \        /
 445 #     \---M1-C
 446 #      \ /
 447 #       B
 448 test_expect_success 'name-rev covers all conditions while looking at parents' '
 449         git init repo &&
 450         (
 451                 cd repo &&
 452
 453                 echo A >file &&
 454                 git add file &&
 455                 git commit -m A &&
 456                 A=$(git rev-parse HEAD) &&
 457
 458                 git checkout --detach &&
 459                 echo B >file &&
 460                 git commit -m B file &&
 461                 B=$(git rev-parse HEAD) &&
 462
 463                 git checkout $A &&
 464                 git merge --no-ff $B &&  # M1
 465
 466                 echo C >file &&
 467                 git commit -m C file &&
 468
 469                 git checkout $A &&
 470                 git merge --no-ff HEAD@{1} && # M2
 471
 472                 git checkout master &&
 473                 git merge --no-ff HEAD@{1} &&
 474
 475                 echo "$B master^2^2~1^2" >expect &&
 476                 git name-rev $B >actual &&
 477
 478                 test_cmp expect actual
 479         )
 480 '
 481
 482 test_done