t/t9350-fast-export.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Johannes E. Schindelin
   4 #
   5
   6 test_description='git fast-export'
   7 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   8 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   9
  10 . ./test-lib.sh
  11
  12 test_expect_success 'setup' '
  13
  14         echo break it > file0 &&
  15         git add file0 &&
  16         test_tick &&
  17         echo Wohlauf > file &&
  18         git add file &&
  19         test_tick &&
  20         git commit -m initial &&
  21         echo die Luft > file &&
  22         echo geht frisch > file2 &&
  23         git add file file2 &&
  24         test_tick &&
  25         git commit -m second &&
  26         echo und > file2 &&
  27         test_tick &&
  28         git commit -m third file2 &&
  29         test_tick &&
  30         git tag rein &&
  31         git checkout -b wer HEAD^ &&
  32         echo lange > file2 &&
  33         test_tick &&
  34         git commit -m sitzt file2 &&
  35         test_tick &&
  36         git tag -a -m valentin muss &&
  37         git merge -s ours main
  38
  39 '
  40
  41 test_expect_success 'fast-export | fast-import' '
  42
  43         MAIN=$(git rev-parse --verify main) &&
  44         REIN=$(git rev-parse --verify rein) &&
  45         WER=$(git rev-parse --verify wer) &&
  46         MUSS=$(git rev-parse --verify muss) &&
  47         mkdir new &&
  48         git --git-dir=new/.git init &&
  49         git fast-export --all >actual &&
  50         (cd new &&
  51          git fast-import &&
  52          test $MAIN = $(git rev-parse --verify refs/heads/main) &&
  53          test $REIN = $(git rev-parse --verify refs/tags/rein) &&
  54          test $WER = $(git rev-parse --verify refs/heads/wer) &&
  55          test $MUSS = $(git rev-parse --verify refs/tags/muss)) <actual
  56
  57 '
  58
  59 test_expect_success 'fast-export ^muss^{commit} muss' '
  60         git fast-export --tag-of-filtered-object=rewrite ^muss^{commit} muss >actual &&
  61         cat >expected <<-EOF &&
  62         tag muss
  63         from $(git rev-parse --verify muss^{commit})
  64         $(git cat-file tag muss | grep tagger)
  65         data 9
  66         valentin
  67
  68         EOF
  69         test_cmp expected actual
  70 '
  71
  72 test_expect_success 'fast-export --mark-tags ^muss^{commit} muss' '
  73         git fast-export --mark-tags --tag-of-filtered-object=rewrite ^muss^{commit} muss >actual &&
  74         cat >expected <<-EOF &&
  75         tag muss
  76         mark :1
  77         from $(git rev-parse --verify muss^{commit})
  78         $(git cat-file tag muss | grep tagger)
  79         data 9
  80         valentin
  81
  82         EOF
  83         test_cmp expected actual
  84 '
  85
  86 test_expect_success 'fast-export main~2..main' '
  87
  88         git fast-export main~2..main >actual &&
  89         sed "s/main/partial/" actual |
  90                 (cd new &&
  91                  git fast-import &&
  92                  test $MAIN != $(git rev-parse --verify refs/heads/partial) &&
  93                  git diff --exit-code main partial &&
  94                  git diff --exit-code main^ partial^ &&
  95                  test_must_fail git rev-parse partial~2)
  96
  97 '
  98
  99 test_expect_success 'fast-export --reference-excluded-parents main~2..main' '
 100
 101         git fast-export --reference-excluded-parents main~2..main >actual &&
 102         grep commit.refs/heads/main actual >commit-count &&
 103         test_line_count = 2 commit-count &&
 104         sed "s/main/rewrite/" actual |
 105                 (cd new &&
 106                  git fast-import &&
 107                  test $MAIN = $(git rev-parse --verify refs/heads/rewrite))
 108 '
 109
 110 test_expect_success 'fast-export --show-original-ids' '
 111
 112         git fast-export --show-original-ids main >output &&
 113         grep ^original-oid output| sed -e s/^original-oid.// | sort >actual &&
 114         git rev-list --objects main muss >objects-and-names &&
 115         awk "{print \$1}" objects-and-names | sort >commits-trees-blobs &&
 116         comm -23 actual commits-trees-blobs >unfound &&
 117         test_must_be_empty unfound
 118 '
 119
 120 test_expect_success 'fast-export --show-original-ids | git fast-import' '
 121
 122         git fast-export --show-original-ids main muss | git fast-import --quiet &&
 123         test $MAIN = $(git rev-parse --verify refs/heads/main) &&
 124         test $MUSS = $(git rev-parse --verify refs/tags/muss)
 125 '
 126
 127 test_expect_success 'reencoding iso-8859-7' '
 128
 129         test_when_finished "git reset --hard HEAD~1" &&
 130         test_config i18n.commitencoding iso-8859-7 &&
 131         test_tick &&
 132         echo rosten >file &&
 133         git commit -s -F "$TEST_DIRECTORY/t9350/simple-iso-8859-7-commit-message.txt" file &&
 134         git fast-export --reencode=yes wer^..wer >iso-8859-7.fi &&
 135         sed "s/wer/i18n/" iso-8859-7.fi |
 136                 (cd new &&
 137                  git fast-import &&
 138                  # The commit object, if not re-encoded, would be 200 bytes plus hash.
 139                  # Removing the "encoding iso-8859-7\n" header drops 20 bytes.
 140                  # Re-encoding the Pi character from \xF0 (\360) in iso-8859-7
 141                  # to \xCF\x80 (\317\200) in UTF-8 adds a byte.  Check for
 142                  # the expected size.
 143                  test $(($(test_oid hexsz) + 181)) -eq "$(git cat-file -s i18n)" &&
 144                  # ...and for the expected translation of bytes.
 145                  git cat-file commit i18n >actual &&
 146                  grep $(printf "\317\200") actual &&
 147                  # Also make sure the commit does not have the "encoding" header
 148                  ! grep ^encoding actual)
 149 '
 150
 151 test_expect_success 'aborting on iso-8859-7' '
 152
 153         test_when_finished "git reset --hard HEAD~1" &&
 154         test_config i18n.commitencoding iso-8859-7 &&
 155         echo rosten >file &&
 156         git commit -s -F "$TEST_DIRECTORY/t9350/simple-iso-8859-7-commit-message.txt" file &&
 157         test_must_fail git fast-export --reencode=abort wer^..wer >iso-8859-7.fi
 158 '
 159
 160 test_expect_success 'preserving iso-8859-7' '
 161
 162         test_when_finished "git reset --hard HEAD~1" &&
 163         test_config i18n.commitencoding iso-8859-7 &&
 164         echo rosten >file &&
 165         git commit -s -F "$TEST_DIRECTORY/t9350/simple-iso-8859-7-commit-message.txt" file &&
 166         git fast-export --reencode=no wer^..wer >iso-8859-7.fi &&
 167         sed "s/wer/i18n-no-recoding/" iso-8859-7.fi |
 168                 (cd new &&
 169                  git fast-import &&
 170                  # The commit object, if not re-encoded, is 200 bytes plus hash.
 171                  # Removing the "encoding iso-8859-7\n" header would drops 20
 172                  # bytes.  Re-encoding the Pi character from \xF0 (\360) in
 173                  # iso-8859-7 to \xCF\x80 (\317\200) in UTF-8 adds a byte.
 174                  # Check for the expected size...
 175                  test $(($(test_oid hexsz) + 200)) -eq "$(git cat-file -s i18n-no-recoding)" &&
 176                  # ...as well as the expected byte.
 177                  git cat-file commit i18n-no-recoding >actual &&
 178                  grep $(printf "\360") actual &&
 179                  # Also make sure the commit has the "encoding" header
 180                  grep ^encoding actual)
 181 '
 182
 183 test_expect_success 'encoding preserved if reencoding fails' '
 184
 185         test_when_finished "git reset --hard HEAD~1" &&
 186         test_config i18n.commitencoding iso-8859-7 &&
 187         echo rosten >file &&
 188         git commit -s -F "$TEST_DIRECTORY/t9350/broken-iso-8859-7-commit-message.txt" file &&
 189         git fast-export --reencode=yes wer^..wer >iso-8859-7.fi &&
 190         sed "s/wer/i18n-invalid/" iso-8859-7.fi |
 191                 (cd new &&
 192                  git fast-import &&
 193                  git cat-file commit i18n-invalid >actual &&
 194                  # Make sure the commit still has the encoding header
 195                  grep ^encoding actual &&
 196                  # Verify that the commit has the expected size; i.e.
 197                  # that no bytes were re-encoded to a different encoding.
 198                  test $(($(test_oid hexsz) + 212)) -eq "$(git cat-file -s i18n-invalid)" &&
 199                  # ...and check for the original special bytes
 200                  grep $(printf "\360") actual &&
 201                  grep $(printf "\377") actual)
 202 '
 203
 204 test_expect_success 'import/export-marks' '
 205
 206         git checkout -b marks main &&
 207         git fast-export --export-marks=tmp-marks HEAD &&
 208         test -s tmp-marks &&
 209         test_line_count = 3 tmp-marks &&
 210         git fast-export --import-marks=tmp-marks \
 211                 --export-marks=tmp-marks HEAD >actual &&
 212         test $(grep ^commit actual | wc -l) -eq 0 &&
 213         echo change > file &&
 214         git commit -m "last commit" file &&
 215         git fast-export --import-marks=tmp-marks \
 216                 --export-marks=tmp-marks HEAD >actual &&
 217         test $(grep ^commit\  actual | wc -l) -eq 1 &&
 218         test_line_count = 4 tmp-marks
 219
 220 '
 221
 222 cat > signed-tag-import << EOF
 223 tag sign-your-name
 224 from $(git rev-parse HEAD)
 225 tagger C O Mitter <committer@example.com> 1112911993 -0700
 226 data 210
 227 A message for a sign
 228 -----BEGIN PGP SIGNATURE-----
 229 Version: GnuPG v1.4.5 (GNU/Linux)
 230
 231 fakedsignaturefakedsignaturefakedsignaturefakedsignaturfakedsign
 232 aturefakedsignaturefake=
 233 =/59v
 234 -----END PGP SIGNATURE-----
 235 EOF
 236
 237 test_expect_success 'set up faked signed tag' '
 238
 239         cat signed-tag-import | git fast-import
 240
 241 '
 242
 243 test_expect_success 'signed-tags=abort' '
 244
 245         test_must_fail git fast-export --signed-tags=abort sign-your-name
 246
 247 '
 248
 249 test_expect_success 'signed-tags=verbatim' '
 250
 251         git fast-export --signed-tags=verbatim sign-your-name > output &&
 252         grep PGP output
 253
 254 '
 255
 256 test_expect_success 'signed-tags=strip' '
 257
 258         git fast-export --signed-tags=strip sign-your-name > output &&
 259         ! grep PGP output
 260
 261 '
 262
 263 test_expect_success 'signed-tags=warn-strip' '
 264         git fast-export --signed-tags=warn-strip sign-your-name >output 2>err &&
 265         ! grep PGP output &&
 266         test -s err
 267 '
 268
 269 test_expect_success 'setup submodule' '
 270
 271         git checkout -f main &&
 272         mkdir sub &&
 273         (
 274                 cd sub &&
 275                 git init  &&
 276                 echo test file > file &&
 277                 git add file &&
 278                 git commit -m sub_initial
 279         ) &&
 280         git submodule add "$(pwd)/sub" sub &&
 281         git commit -m initial &&
 282         test_tick &&
 283         (
 284                 cd sub &&
 285                 echo more data >> file &&
 286                 git add file &&
 287                 git commit -m sub_second
 288         ) &&
 289         git add sub &&
 290         git commit -m second
 291
 292 '
 293
 294 test_expect_success 'submodule fast-export | fast-import' '
 295
 296         SUBENT1=$(git ls-tree main^ sub) &&
 297         SUBENT2=$(git ls-tree main sub) &&
 298         rm -rf new &&
 299         mkdir new &&
 300         git --git-dir=new/.git init &&
 301         git fast-export --signed-tags=strip --all >actual &&
 302         (cd new &&
 303          git fast-import &&
 304          test "$SUBENT1" = "$(git ls-tree refs/heads/main^ sub)" &&
 305          test "$SUBENT2" = "$(git ls-tree refs/heads/main sub)" &&
 306          git checkout main &&
 307          git submodule init &&
 308          git submodule update &&
 309          cmp sub/file ../sub/file) <actual
 310
 311 '
 312
 313 GIT_AUTHOR_NAME='A U Thor'; export GIT_AUTHOR_NAME
 314 GIT_COMMITTER_NAME='C O Mitter'; export GIT_COMMITTER_NAME
 315
 316 test_expect_success 'setup copies' '
 317
 318         git checkout -b copy rein &&
 319         git mv file file3 &&
 320         git commit -m move1 &&
 321         test_tick &&
 322         cp file2 file4 &&
 323         git add file4 &&
 324         git mv file2 file5 &&
 325         git commit -m copy1 &&
 326         test_tick &&
 327         cp file3 file6 &&
 328         git add file6 &&
 329         git commit -m copy2 &&
 330         test_tick &&
 331         echo more text >> file6 &&
 332         echo even more text >> file6 &&
 333         git add file6 &&
 334         git commit -m modify &&
 335         test_tick &&
 336         cp file6 file7 &&
 337         echo test >> file7 &&
 338         git add file7 &&
 339         git commit -m copy_modify
 340
 341 '
 342
 343 test_expect_success 'fast-export -C -C | fast-import' '
 344
 345         ENTRY=$(git rev-parse --verify copy) &&
 346         rm -rf new &&
 347         mkdir new &&
 348         git --git-dir=new/.git init &&
 349         git fast-export -C -C --signed-tags=strip --all > output &&
 350         grep "^C file2 file4\$" output &&
 351         cat output |
 352         (cd new &&
 353          git fast-import &&
 354          test $ENTRY = $(git rev-parse --verify refs/heads/copy))
 355
 356 '
 357
 358 test_expect_success 'fast-export | fast-import when main is tagged' '
 359
 360         git tag -m msg last &&
 361         git fast-export -C -C --signed-tags=strip --all > output &&
 362         test $(grep -c "^tag " output) = 3
 363
 364 '
 365
 366 cat > tag-content << EOF
 367 object $(git rev-parse HEAD)
 368 type commit
 369 tag rosten
 370 EOF
 371
 372 test_expect_success 'cope with tagger-less tags' '
 373
 374         TAG=$(git hash-object -t tag -w tag-content) &&
 375         git update-ref refs/tags/sonnenschein $TAG &&
 376         git fast-export -C -C --signed-tags=strip --all > output &&
 377         test $(grep -c "^tag " output) = 4 &&
 378         ! grep "Unspecified Tagger" output &&
 379         git fast-export -C -C --signed-tags=strip --all \
 380                 --fake-missing-tagger > output &&
 381         test $(grep -c "^tag " output) = 4 &&
 382         grep "Unspecified Tagger" output
 383
 384 '
 385
 386 test_expect_success 'setup for limiting exports by PATH' '
 387         mkdir limit-by-paths &&
 388         (
 389                 cd limit-by-paths &&
 390                 git init &&
 391                 echo hi > there &&
 392                 git add there &&
 393                 git commit -m "First file" &&
 394                 echo foo > bar &&
 395                 git add bar &&
 396                 git commit -m "Second file" &&
 397                 git tag -a -m msg mytag &&
 398                 echo morefoo >> bar &&
 399                 git add bar &&
 400                 git commit -m "Change to second file"
 401         )
 402 '
 403
 404 cat > limit-by-paths/expected << EOF
 405 blob
 406 mark :1
 407 data 3
 408 hi
 409
 410 reset refs/tags/mytag
 411 commit refs/tags/mytag
 412 mark :2
 413 author A U Thor <author@example.com> 1112912713 -0700
 414 committer C O Mitter <committer@example.com> 1112912713 -0700
 415 data 11
 416 First file
 417 M 100644 :1 there
 418
 419 EOF
 420
 421 test_expect_success 'dropping tag of filtered out object' '
 422 (
 423         cd limit-by-paths &&
 424         git fast-export --tag-of-filtered-object=drop mytag -- there > output &&
 425         test_cmp expected output
 426 )
 427 '
 428
 429 cat >> limit-by-paths/expected << EOF
 430 tag mytag
 431 from :2
 432 tagger C O Mitter <committer@example.com> 1112912713 -0700
 433 data 4
 434 msg
 435
 436 EOF
 437
 438 test_expect_success 'rewriting tag of filtered out object' '
 439 (
 440         cd limit-by-paths &&
 441         git fast-export --tag-of-filtered-object=rewrite mytag -- there > output &&
 442         test_cmp expected output
 443 )
 444 '
 445
 446 test_expect_success 'rewrite tag predating pathspecs to nothing' '
 447         test_create_repo rewrite_tag_predating_pathspecs &&
 448         (
 449                 cd rewrite_tag_predating_pathspecs &&
 450
 451                 test_commit initial &&
 452
 453                 git tag -a -m "Some old tag" v0.0.0.0.0.0.1 &&
 454
 455                 test_commit bar &&
 456
 457                 git fast-export --tag-of-filtered-object=rewrite --all -- bar.t >output &&
 458                 grep from.$ZERO_OID output
 459         )
 460 '
 461
 462 cat > limit-by-paths/expected << EOF
 463 blob
 464 mark :1
 465 data 4
 466 foo
 467
 468 blob
 469 mark :2
 470 data 3
 471 hi
 472
 473 reset refs/heads/main
 474 commit refs/heads/main
 475 mark :3
 476 author A U Thor <author@example.com> 1112912713 -0700
 477 committer C O Mitter <committer@example.com> 1112912713 -0700
 478 data 12
 479 Second file
 480 M 100644 :1 bar
 481 M 100644 :2 there
 482
 483 EOF
 484
 485 test_expect_failure 'no exact-ref revisions included' '
 486         (
 487                 cd limit-by-paths &&
 488                 git fast-export main~2..main~1 > output &&
 489                 test_cmp expected output
 490         )
 491 '
 492
 493 test_expect_success 'path limiting with import-marks does not lose unmodified files'        '
 494         git checkout -b simple marks~2 &&
 495         git fast-export --export-marks=marks simple -- file > /dev/null &&
 496         echo more content >> file &&
 497         test_tick &&
 498         git commit -mnext file &&
 499         git fast-export --import-marks=marks simple -- file file0 >actual &&
 500         grep file0 actual
 501 '
 502
 503 test_expect_success 'avoid corrupt stream with non-existent mark' '
 504         test_create_repo avoid_non_existent_mark &&
 505         (
 506                 cd avoid_non_existent_mark &&
 507
 508                 test_commit important-path &&
 509
 510                 test_commit ignored &&
 511
 512                 git branch A &&
 513                 git branch B &&
 514
 515                 echo foo >>important-path.t &&
 516                 git add important-path.t &&
 517                 test_commit more changes &&
 518
 519                 git fast-export --all -- important-path.t | git fast-import --force
 520         )
 521 '
 522
 523 test_expect_success 'full-tree re-shows unmodified files'        '
 524         git checkout -f simple &&
 525         git fast-export --full-tree simple >actual &&
 526         test $(grep -c file0 actual) -eq 3
 527 '
 528
 529 test_expect_success 'set-up a few more tags for tag export tests' '
 530         git checkout -f main &&
 531         HEAD_TREE=$(git show -s --pretty=raw HEAD | grep tree | sed "s/tree //") &&
 532         git tag    tree_tag        -m "tagging a tree" $HEAD_TREE &&
 533         git tag -a tree_tag-obj    -m "tagging a tree" $HEAD_TREE &&
 534         git tag    tag-obj_tag     -m "tagging a tag" tree_tag-obj &&
 535         git tag -a tag-obj_tag-obj -m "tagging a tag" tree_tag-obj
 536 '
 537
 538 test_expect_success 'tree_tag'        '
 539         mkdir result &&
 540         (cd result && git init) &&
 541         git fast-export tree_tag > fe-stream &&
 542         (cd result && git fast-import < ../fe-stream)
 543 '
 544
 545 # NEEDSWORK: not just check return status, but validate the output
 546 # Note that these tests DO NOTHING other than print a warning that
 547 # they are omitting the one tag we asked them to export (because the
 548 # tags resolve to a tree).  They exist just to make sure we do not
 549 # abort but instead just warn.
 550 test_expect_success 'tree_tag-obj'    'git fast-export tree_tag-obj'
 551 test_expect_success 'tag-obj_tag'     'git fast-export tag-obj_tag'
 552 test_expect_success 'tag-obj_tag-obj' 'git fast-export tag-obj_tag-obj'
 553
 554 test_expect_success 'handling tags of blobs' '
 555         git tag -a -m "Tag of a blob" blobtag $(git rev-parse main:file) &&
 556         git fast-export blobtag >actual &&
 557         cat >expect <<-EOF &&
 558         blob
 559         mark :1
 560         data 9
 561         die Luft
 562
 563         tag blobtag
 564         from :1
 565         tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
 566         data 14
 567         Tag of a blob
 568
 569         EOF
 570         test_cmp expect actual
 571 '
 572
 573 test_expect_success 'handling nested tags' '
 574         git tag -a -m "This is a nested tag" nested muss &&
 575         git fast-export --mark-tags nested >output &&
 576         grep "^from $ZERO_OID$" output &&
 577         grep "^tag nested$" output >tag_lines &&
 578         test_line_count = 2 tag_lines
 579 '
 580
 581 test_expect_success 'directory becomes symlink'        '
 582         git init dirtosymlink &&
 583         git init result &&
 584         (
 585                 cd dirtosymlink &&
 586                 mkdir foo &&
 587                 mkdir bar &&
 588                 echo hello > foo/world &&
 589                 echo hello > bar/world &&
 590                 git add foo/world bar/world &&
 591                 git commit -q -mone &&
 592                 git rm -r foo &&
 593                 test_ln_s_add bar foo &&
 594                 git commit -q -mtwo
 595         ) &&
 596         (
 597                 cd dirtosymlink &&
 598                 git fast-export main -- foo |
 599                 (cd ../result && git fast-import --quiet)
 600         ) &&
 601         (cd result && git show main:foo)
 602 '
 603
 604 test_expect_success 'fast-export quotes pathnames' '
 605         git init crazy-paths &&
 606         test_config -C crazy-paths core.protectNTFS false &&
 607         (cd crazy-paths &&
 608          blob=$(echo foo | git hash-object -w --stdin) &&
 609          git -c core.protectNTFS=false update-index --add \
 610                 --cacheinfo 100644 $blob "$(printf "path with\\nnewline")" \
 611                 --cacheinfo 100644 $blob "path with \"quote\"" \
 612                 --cacheinfo 100644 $blob "path with \\backslash" \
 613                 --cacheinfo 100644 $blob "path with space" &&
 614          git commit -m addition &&
 615          git ls-files -z -s | perl -0pe "s{\\t}{$&subdir/}" >index &&
 616          git read-tree --empty &&
 617          git update-index -z --index-info <index &&
 618          git commit -m rename &&
 619          git read-tree --empty &&
 620          git commit -m deletion &&
 621          git fast-export -M HEAD >export.out &&
 622          git rev-list HEAD >expect &&
 623          git init result &&
 624          cd result &&
 625          git fast-import <../export.out &&
 626          git rev-list HEAD >actual &&
 627          test_cmp ../expect actual
 628         )
 629 '
 630
 631 test_expect_success 'test bidirectionality' '
 632         git init marks-test &&
 633         git fast-export --export-marks=marks-cur --import-marks-if-exists=marks-cur --branches | \
 634         git --git-dir=marks-test/.git fast-import --export-marks=marks-new --import-marks-if-exists=marks-new &&
 635         (cd marks-test &&
 636         git reset --hard &&
 637         echo Wohlauf > file &&
 638         git commit -a -m "back in time") &&
 639         git --git-dir=marks-test/.git fast-export --export-marks=marks-new --import-marks-if-exists=marks-new --branches | \
 640         git fast-import --export-marks=marks-cur --import-marks-if-exists=marks-cur
 641 '
 642
 643 cat > expected << EOF
 644 blob
 645 mark :13
 646 data 5
 647 bump
 648
 649 commit refs/heads/main
 650 mark :14
 651 author A U Thor <author@example.com> 1112912773 -0700
 652 committer C O Mitter <committer@example.com> 1112912773 -0700
 653 data 5
 654 bump
 655 from :12
 656 M 100644 :13 file
 657
 658 EOF
 659
 660 test_expect_success 'avoid uninteresting refs' '
 661         > tmp-marks &&
 662         git fast-export --import-marks=tmp-marks \
 663                 --export-marks=tmp-marks main > /dev/null &&
 664         git tag v1.0 &&
 665         git branch uninteresting &&
 666         echo bump > file &&
 667         git commit -a -m bump &&
 668         git fast-export --import-marks=tmp-marks \
 669                 --export-marks=tmp-marks ^uninteresting ^v1.0 main > actual &&
 670         test_cmp expected actual
 671 '
 672
 673 cat > expected << EOF
 674 reset refs/heads/main
 675 from :14
 676
 677 EOF
 678
 679 test_expect_success 'refs are updated even if no commits need to be exported' '
 680         > tmp-marks &&
 681         git fast-export --import-marks=tmp-marks \
 682                 --export-marks=tmp-marks main > /dev/null &&
 683         git fast-export --import-marks=tmp-marks \
 684                 --export-marks=tmp-marks main > actual &&
 685         test_cmp expected actual
 686 '
 687
 688 test_expect_success 'use refspec' '
 689         git fast-export --refspec refs/heads/main:refs/heads/foobar main >actual2 &&
 690         grep "^commit " actual2 | sort | uniq >actual &&
 691         echo "commit refs/heads/foobar" > expected &&
 692         test_cmp expected actual
 693 '
 694
 695 test_expect_success 'delete ref because entire history excluded' '
 696         git branch to-delete &&
 697         git fast-export to-delete ^to-delete >actual &&
 698         cat >expected <<-EOF &&
 699         reset refs/heads/to-delete
 700         from $ZERO_OID
 701
 702         EOF
 703         test_cmp expected actual
 704 '
 705
 706 test_expect_success 'delete refspec' '
 707         git fast-export --refspec :refs/heads/to-delete >actual &&
 708         cat >expected <<-EOF &&
 709         reset refs/heads/to-delete
 710         from $ZERO_OID
 711
 712         EOF
 713         test_cmp expected actual
 714 '
 715
 716 test_expect_success 'when using -C, do not declare copy when source of copy is also modified' '
 717         test_create_repo src &&
 718         echo a_line >src/file.txt &&
 719         git -C src add file.txt &&
 720         git -C src commit -m 1st_commit &&
 721
 722         cp src/file.txt src/file2.txt &&
 723         echo another_line >>src/file.txt &&
 724         git -C src add file.txt file2.txt &&
 725         git -C src commit -m 2nd_commit &&
 726
 727         test_create_repo dst &&
 728         git -C src fast-export --all -C >actual &&
 729         git -C dst fast-import <actual &&
 730         git -C src show >expected &&
 731         git -C dst show >actual &&
 732         test_cmp expected actual
 733 '
 734
 735 test_expect_success 'merge commit gets exported with --import-marks' '
 736         test_create_repo merging &&
 737         (
 738                 cd merging &&
 739                 test_commit initial &&
 740                 git checkout -b topic &&
 741                 test_commit on-topic &&
 742                 git checkout main &&
 743                 test_commit on-main &&
 744                 test_tick &&
 745                 git merge --no-ff -m Yeah topic &&
 746
 747                 echo ":1 $(git rev-parse HEAD^^)" >marks &&
 748                 git fast-export --import-marks=marks main >out &&
 749                 grep Yeah out
 750         )
 751 '
 752
 753 test_done