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 $(git rev-parse HEAD)
 225 tagger C O Mitter <committer@example.com> 1112911993 -0700
 226 data 210
 227 A message for a sign
 228 -----BEGIN PGP SIGNATURE-----
 229 Version: GnuPG v1.4.5 (GNU/Linux)
 230
 231 fakedsignaturefakedsignaturefakedsignaturefakedsignaturfakedsign
 232 aturefakedsignaturefake=
 233 =/59v
 234 -----END PGP SIGNATURE-----
 235 EOF
 236
 237 test_expect_success 'set up faked signed tag' '
 238
 239         cat signed-tag-import | git fast-import
 240
 241 '
 242
 243 test_expect_success 'signed-tags=abort' '
 244
 245         test_must_fail git fast-export --signed-tags=abort sign-your-name
 246
 247 '
 248
 249 test_expect_success 'signed-tags=verbatim' '
 250
 251         git fast-export --signed-tags=verbatim sign-your-name > output &&
 252         grep PGP output
 253
 254 '
 255
 256 test_expect_success 'signed-tags=strip' '
 257
 258         git fast-export --signed-tags=strip sign-your-name > output &&
 259         ! grep PGP output
 260
 261 '
 262
 263 test_expect_success 'signed-tags=warn-strip' '
 264         git fast-export --signed-tags=warn-strip sign-your-name >output 2>err &&
 265         ! grep PGP output &&
 266         test -s err
 267 '
 268
 269 test_expect_success 'setup submodule' '
 270
 271         test_config_global protocol.file.allow always &&
 272         git checkout -f main &&
 273         mkdir sub &&
 274         (
 275                 cd sub &&
 276                 git init  &&
 277                 echo test file > file &&
 278                 git add file &&
 279                 git commit -m sub_initial
 280         ) &&
 281         git submodule add "$(pwd)/sub" sub &&
 282         git commit -m initial &&
 283         test_tick &&
 284         (
 285                 cd sub &&
 286                 echo more data >> file &&
 287                 git add file &&
 288                 git commit -m sub_second
 289         ) &&
 290         git add sub &&
 291         git commit -m second
 292
 293 '
 294
 295 test_expect_success 'submodule fast-export | fast-import' '
 296
 297         test_config_global protocol.file.allow always &&
 298         SUBENT1=$(git ls-tree main^ sub) &&
 299         SUBENT2=$(git ls-tree main sub) &&
 300         rm -rf new &&
 301         mkdir new &&
 302         git --git-dir=new/.git init &&
 303         git fast-export --signed-tags=strip --all >actual &&
 304         (cd new &&
 305          git fast-import &&
 306          test "$SUBENT1" = "$(git ls-tree refs/heads/main^ sub)" &&
 307          test "$SUBENT2" = "$(git ls-tree refs/heads/main sub)" &&
 308          git checkout main &&
 309          git submodule init &&
 310          git submodule update &&
 311          cmp sub/file ../sub/file) <actual
 312
 313 '
 314
 315 GIT_AUTHOR_NAME='A U Thor'; export GIT_AUTHOR_NAME
 316 GIT_COMMITTER_NAME='C O Mitter'; export GIT_COMMITTER_NAME
 317
 318 test_expect_success 'setup copies' '
 319
 320         git checkout -b copy rein &&
 321         git mv file file3 &&
 322         git commit -m move1 &&
 323         test_tick &&
 324         cp file2 file4 &&
 325         git add file4 &&
 326         git mv file2 file5 &&
 327         git commit -m copy1 &&
 328         test_tick &&
 329         cp file3 file6 &&
 330         git add file6 &&
 331         git commit -m copy2 &&
 332         test_tick &&
 333         echo more text >> file6 &&
 334         echo even more text >> file6 &&
 335         git add file6 &&
 336         git commit -m modify &&
 337         test_tick &&
 338         cp file6 file7 &&
 339         echo test >> file7 &&
 340         git add file7 &&
 341         git commit -m copy_modify
 342
 343 '
 344
 345 test_expect_success 'fast-export -C -C | fast-import' '
 346
 347         ENTRY=$(git rev-parse --verify copy) &&
 348         rm -rf new &&
 349         mkdir new &&
 350         git --git-dir=new/.git init &&
 351         git fast-export -C -C --signed-tags=strip --all > output &&
 352         grep "^C file2 file4\$" output &&
 353         cat output |
 354         (cd new &&
 355          git fast-import &&
 356          test $ENTRY = $(git rev-parse --verify refs/heads/copy))
 357
 358 '
 359
 360 test_expect_success 'fast-export | fast-import when main is tagged' '
 361
 362         git tag -m msg last &&
 363         git fast-export -C -C --signed-tags=strip --all > output &&
 364         test $(grep -c "^tag " output) = 3
 365
 366 '
 367
 368 cat > tag-content << EOF
 369 object $(git rev-parse HEAD)
 370 type commit
 371 tag rosten
 372 EOF
 373
 374 test_expect_success 'cope with tagger-less tags' '
 375
 376         TAG=$(git hash-object -t tag -w tag-content) &&
 377         git update-ref refs/tags/sonnenschein $TAG &&
 378         git fast-export -C -C --signed-tags=strip --all > output &&
 379         test $(grep -c "^tag " output) = 4 &&
 380         ! grep "Unspecified Tagger" output &&
 381         git fast-export -C -C --signed-tags=strip --all \
 382                 --fake-missing-tagger > output &&
 383         test $(grep -c "^tag " output) = 4 &&
 384         grep "Unspecified Tagger" output
 385
 386 '
 387
 388 test_expect_success 'setup for limiting exports by PATH' '
 389         mkdir limit-by-paths &&
 390         (
 391                 cd limit-by-paths &&
 392                 git init &&
 393                 echo hi > there &&
 394                 git add there &&
 395                 git commit -m "First file" &&
 396                 echo foo > bar &&
 397                 git add bar &&
 398                 git commit -m "Second file" &&
 399                 git tag -a -m msg mytag &&
 400                 echo morefoo >> bar &&
 401                 git add bar &&
 402                 git commit -m "Change to second file"
 403         )
 404 '
 405
 406 cat > limit-by-paths/expected << EOF
 407 blob
 408 mark :1
 409 data 3
 410 hi
 411
 412 reset refs/tags/mytag
 413 commit refs/tags/mytag
 414 mark :2
 415 author A U Thor <author@example.com> 1112912713 -0700
 416 committer C O Mitter <committer@example.com> 1112912713 -0700
 417 data 11
 418 First file
 419 M 100644 :1 there
 420
 421 EOF
 422
 423 test_expect_success 'dropping tag of filtered out object' '
 424 (
 425         cd limit-by-paths &&
 426         git fast-export --tag-of-filtered-object=drop mytag -- there > output &&
 427         test_cmp expected output
 428 )
 429 '
 430
 431 cat >> limit-by-paths/expected << EOF
 432 tag mytag
 433 from :2
 434 tagger C O Mitter <committer@example.com> 1112912713 -0700
 435 data 4
 436 msg
 437
 438 EOF
 439
 440 test_expect_success 'rewriting tag of filtered out object' '
 441 (
 442         cd limit-by-paths &&
 443         git fast-export --tag-of-filtered-object=rewrite mytag -- there > output &&
 444         test_cmp expected output
 445 )
 446 '
 447
 448 test_expect_success 'rewrite tag predating pathspecs to nothing' '
 449         test_create_repo rewrite_tag_predating_pathspecs &&
 450         (
 451                 cd rewrite_tag_predating_pathspecs &&
 452
 453                 test_commit initial &&
 454
 455                 git tag -a -m "Some old tag" v0.0.0.0.0.0.1 &&
 456
 457                 test_commit bar &&
 458
 459                 git fast-export --tag-of-filtered-object=rewrite --all -- bar.t >output &&
 460                 grep from.$ZERO_OID output
 461         )
 462 '
 463
 464 cat > limit-by-paths/expected << EOF
 465 blob
 466 mark :1
 467 data 4
 468 foo
 469
 470 blob
 471 mark :2
 472 data 3
 473 hi
 474
 475 reset refs/heads/main
 476 commit refs/heads/main
 477 mark :3
 478 author A U Thor <author@example.com> 1112912713 -0700
 479 committer C O Mitter <committer@example.com> 1112912713 -0700
 480 data 12
 481 Second file
 482 M 100644 :1 bar
 483 M 100644 :2 there
 484
 485 EOF
 486
 487 test_expect_failure 'no exact-ref revisions included' '
 488         (
 489                 cd limit-by-paths &&
 490                 git fast-export main~2..main~1 > output &&
 491                 test_cmp expected output
 492         )
 493 '
 494
 495 test_expect_success 'path limiting with import-marks does not lose unmodified files'        '
 496         git checkout -b simple marks~2 &&
 497         git fast-export --export-marks=marks simple -- file > /dev/null &&
 498         echo more content >> file &&
 499         test_tick &&
 500         git commit -mnext file &&
 501         git fast-export --import-marks=marks simple -- file file0 >actual &&
 502         grep file0 actual
 503 '
 504
 505 test_expect_success 'avoid corrupt stream with non-existent mark' '
 506         test_create_repo avoid_non_existent_mark &&
 507         (
 508                 cd avoid_non_existent_mark &&
 509
 510                 test_commit important-path &&
 511
 512                 test_commit ignored &&
 513
 514                 git branch A &&
 515                 git branch B &&
 516
 517                 echo foo >>important-path.t &&
 518                 git add important-path.t &&
 519                 test_commit more changes &&
 520
 521                 git fast-export --all -- important-path.t | git fast-import --force
 522         )
 523 '
 524
 525 test_expect_success 'full-tree re-shows unmodified files'        '
 526         git checkout -f simple &&
 527         git fast-export --full-tree simple >actual &&
 528         test $(grep -c file0 actual) -eq 3
 529 '
 530
 531 test_expect_success 'set-up a few more tags for tag export tests' '
 532         git checkout -f main &&
 533         HEAD_TREE=$(git show -s --pretty=raw HEAD | grep tree | sed "s/tree //") &&
 534         git tag    tree_tag        -m "tagging a tree" $HEAD_TREE &&
 535         git tag -a tree_tag-obj    -m "tagging a tree" $HEAD_TREE &&
 536         git tag    tag-obj_tag     -m "tagging a tag" tree_tag-obj &&
 537         git tag -a tag-obj_tag-obj -m "tagging a tag" tree_tag-obj
 538 '
 539
 540 test_expect_success 'tree_tag'        '
 541         mkdir result &&
 542         (cd result && git init) &&
 543         git fast-export tree_tag > fe-stream &&
 544         (cd result && git fast-import < ../fe-stream)
 545 '
 546
 547 # NEEDSWORK: not just check return status, but validate the output
 548 # Note that these tests DO NOTHING other than print a warning that
 549 # they are omitting the one tag we asked them to export (because the
 550 # tags resolve to a tree).  They exist just to make sure we do not
 551 # abort but instead just warn.
 552 test_expect_success 'tree_tag-obj'    'git fast-export tree_tag-obj'
 553 test_expect_success 'tag-obj_tag'     'git fast-export tag-obj_tag'
 554 test_expect_success 'tag-obj_tag-obj' 'git fast-export tag-obj_tag-obj'
 555
 556 test_expect_success 'handling tags of blobs' '
 557         git tag -a -m "Tag of a blob" blobtag $(git rev-parse main:file) &&
 558         git fast-export blobtag >actual &&
 559         cat >expect <<-EOF &&
 560         blob
 561         mark :1
 562         data 9
 563         die Luft
 564
 565         tag blobtag
 566         from :1
 567         tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
 568         data 14
 569         Tag of a blob
 570
 571         EOF
 572         test_cmp expect actual
 573 '
 574
 575 test_expect_success 'handling nested tags' '
 576         git tag -a -m "This is a nested tag" nested muss &&
 577         git fast-export --mark-tags nested >output &&
 578         grep "^from $ZERO_OID$" output &&
 579         grep "^tag nested$" output >tag_lines &&
 580         test_line_count = 2 tag_lines
 581 '
 582
 583 test_expect_success 'directory becomes symlink'        '
 584         git init dirtosymlink &&
 585         git init result &&
 586         (
 587                 cd dirtosymlink &&
 588                 mkdir foo &&
 589                 mkdir bar &&
 590                 echo hello > foo/world &&
 591                 echo hello > bar/world &&
 592                 git add foo/world bar/world &&
 593                 git commit -q -mone &&
 594                 git rm -r foo &&
 595                 test_ln_s_add bar foo &&
 596                 git commit -q -mtwo
 597         ) &&
 598         (
 599                 cd dirtosymlink &&
 600                 git fast-export main -- foo |
 601                 (cd ../result && git fast-import --quiet)
 602         ) &&
 603         (cd result && git show main:foo)
 604 '
 605
 606 test_expect_success 'fast-export quotes pathnames' '
 607         git init crazy-paths &&
 608         test_config -C crazy-paths core.protectNTFS false &&
 609         (cd crazy-paths &&
 610          blob=$(echo foo | git hash-object -w --stdin) &&
 611          git -c core.protectNTFS=false update-index --add \
 612                 --cacheinfo 100644 $blob "$(printf "path with\\nnewline")" \
 613                 --cacheinfo 100644 $blob "path with \"quote\"" \
 614                 --cacheinfo 100644 $blob "path with \\backslash" \
 615                 --cacheinfo 100644 $blob "path with space" &&
 616          git commit -m addition &&
 617          git ls-files -z -s | perl -0pe "s{\\t}{$&subdir/}" >index &&
 618          git read-tree --empty &&
 619          git update-index -z --index-info <index &&
 620          git commit -m rename &&
 621          git read-tree --empty &&
 622          git commit -m deletion &&
 623          git fast-export -M HEAD >export.out &&
 624          git rev-list HEAD >expect &&
 625          git init result &&
 626          cd result &&
 627          git fast-import <../export.out &&
 628          git rev-list HEAD >actual &&
 629          test_cmp ../expect actual
 630         )
 631 '
 632
 633 test_expect_success 'test bidirectionality' '
 634         git init marks-test &&
 635         git fast-export --export-marks=marks-cur --import-marks-if-exists=marks-cur --branches | \
 636         git --git-dir=marks-test/.git fast-import --export-marks=marks-new --import-marks-if-exists=marks-new &&
 637         (cd marks-test &&
 638         git reset --hard &&
 639         echo Wohlauf > file &&
 640         git commit -a -m "back in time") &&
 641         git --git-dir=marks-test/.git fast-export --export-marks=marks-new --import-marks-if-exists=marks-new --branches | \
 642         git fast-import --export-marks=marks-cur --import-marks-if-exists=marks-cur
 643 '
 644
 645 cat > expected << EOF
 646 blob
 647 mark :13
 648 data 5
 649 bump
 650
 651 commit refs/heads/main
 652 mark :14
 653 author A U Thor <author@example.com> 1112912773 -0700
 654 committer C O Mitter <committer@example.com> 1112912773 -0700
 655 data 5
 656 bump
 657 from :12
 658 M 100644 :13 file
 659
 660 EOF
 661
 662 test_expect_success 'avoid uninteresting refs' '
 663         > tmp-marks &&
 664         git fast-export --import-marks=tmp-marks \
 665                 --export-marks=tmp-marks main > /dev/null &&
 666         git tag v1.0 &&
 667         git branch uninteresting &&
 668         echo bump > file &&
 669         git commit -a -m bump &&
 670         git fast-export --import-marks=tmp-marks \
 671                 --export-marks=tmp-marks ^uninteresting ^v1.0 main > actual &&
 672         test_cmp expected actual
 673 '
 674
 675 cat > expected << EOF
 676 reset refs/heads/main
 677 from :14
 678
 679 EOF
 680
 681 test_expect_success 'refs are updated even if no commits need to be exported' '
 682         > tmp-marks &&
 683         git fast-export --import-marks=tmp-marks \
 684                 --export-marks=tmp-marks main > /dev/null &&
 685         git fast-export --import-marks=tmp-marks \
 686                 --export-marks=tmp-marks main > actual &&
 687         test_cmp expected actual
 688 '
 689
 690 test_expect_success 'use refspec' '
 691         git fast-export --refspec refs/heads/main:refs/heads/foobar main >actual2 &&
 692         grep "^commit " actual2 | sort | uniq >actual &&
 693         echo "commit refs/heads/foobar" > expected &&
 694         test_cmp expected actual
 695 '
 696
 697 test_expect_success 'delete ref because entire history excluded' '
 698         git branch to-delete &&
 699         git fast-export to-delete ^to-delete >actual &&
 700         cat >expected <<-EOF &&
 701         reset refs/heads/to-delete
 702         from $ZERO_OID
 703
 704         EOF
 705         test_cmp expected actual
 706 '
 707
 708 test_expect_success 'delete refspec' '
 709         git fast-export --refspec :refs/heads/to-delete >actual &&
 710         cat >expected <<-EOF &&
 711         reset refs/heads/to-delete
 712         from $ZERO_OID
 713
 714         EOF
 715         test_cmp expected actual
 716 '
 717
 718 test_expect_success 'when using -C, do not declare copy when source of copy is also modified' '
 719         test_create_repo src &&
 720         echo a_line >src/file.txt &&
 721         git -C src add file.txt &&
 722         git -C src commit -m 1st_commit &&
 723
 724         cp src/file.txt src/file2.txt &&
 725         echo another_line >>src/file.txt &&
 726         git -C src add file.txt file2.txt &&
 727         git -C src commit -m 2nd_commit &&
 728
 729         test_create_repo dst &&
 730         git -C src fast-export --all -C >actual &&
 731         git -C dst fast-import <actual &&
 732         git -C src show >expected &&
 733         git -C dst show >actual &&
 734         test_cmp expected actual
 735 '
 736
 737 test_expect_success 'merge commit gets exported with --import-marks' '
 738         test_create_repo merging &&
 739         (
 740                 cd merging &&
 741                 test_commit initial &&
 742                 git checkout -b topic &&
 743                 test_commit on-topic &&
 744                 git checkout main &&
 745                 test_commit on-main &&
 746                 test_tick &&
 747                 git merge --no-ff -m Yeah topic &&
 748
 749                 echo ":1 $(git rev-parse HEAD^^)" >marks &&
 750                 git fast-export --import-marks=marks main >out &&
 751                 grep Yeah out
 752         )
 753 '
 754
 755
 756 test_expect_success 'fast-export --first-parent outputs all revisions output by revision walk' '
 757         git init first-parent &&
 758         (
 759                 cd first-parent &&
 760                 test_commit A &&
 761                 git checkout -b topic1 &&
 762                 test_commit B &&
 763                 git checkout main &&
 764                 git merge --no-ff topic1 &&
 765
 766                 git checkout -b topic2 &&
 767                 test_commit C &&
 768                 git checkout main &&
 769                 git merge --no-ff topic2 &&
 770
 771                 test_commit D &&
 772
 773                 git fast-export main -- --first-parent >first-parent-export &&
 774                 git fast-export main -- --first-parent --reverse >first-parent-reverse-export &&
 775                 test_cmp first-parent-export first-parent-reverse-export &&
 776
 777                 git init import &&
 778                 git -C import fast-import <first-parent-export &&
 779
 780                 git log --format="%ad %s" --first-parent main >expected &&
 781                 git -C import log --format="%ad %s" --all >actual &&
 782                 test_cmp expected actual &&
 783                 test_line_count = 4 actual
 784         )
 785 '
 786
 787 test_done