t/t3404-rebase-interactive.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Johannes E. Schindelin
   4 #
   5
   6 test_description='git rebase interactive
   7
   8 This test runs git rebase "interactively", by faking an edit, and verifies
   9 that the result still makes sense.
  10 '
  11 . ./test-lib.sh
  12
  13 . "$TEST_DIRECTORY"/lib-rebase.sh
  14
  15 set_fake_editor
  16
  17 # Set up the repository like this:
  18 #
  19 #     one - two - three - four (conflict-branch)
  20 #   /
  21 # A - B - C - D - E            (master)
  22 # | \
  23 # |   F - G - H                (branch1)
  24 # |     \
  25 #  \      I                    (branch2)
  26 #   \
  27 #     J - K - L - M            (no-conflict-branch)
  28 #
  29 # where A, B, D and G all touch file1, and one, two, three, four all
  30 # touch file "conflict".
  31
  32 test_expect_success 'setup' '
  33         test_commit A file1 &&
  34         test_commit B file1 &&
  35         test_commit C file2 &&
  36         test_commit D file1 &&
  37         test_commit E file3 &&
  38         git checkout -b branch1 A &&
  39         test_commit F file4 &&
  40         test_commit G file1 &&
  41         test_commit H file5 &&
  42         git checkout -b branch2 F &&
  43         test_commit I file6
  44         git checkout -b conflict-branch A &&
  45         for n in one two three four
  46         do
  47                 test_commit $n conflict
  48         done &&
  49         git checkout -b no-conflict-branch A &&
  50         for n in J K L M
  51         do
  52                 test_commit $n file$n
  53         done
  54 '
  55
  56 test_expect_success 'no changes are a nop' '
  57         git checkout branch2 &&
  58         git rebase -i F &&
  59         test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
  60         test $(git rev-parse I) = $(git rev-parse HEAD)
  61 '
  62
  63 test_expect_success 'test the [branch] option' '
  64         git checkout -b dead-end &&
  65         git rm file6 &&
  66         git commit -m "stop here" &&
  67         git rebase -i F branch2 &&
  68         test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
  69         test $(git rev-parse I) = $(git rev-parse branch2) &&
  70         test $(git rev-parse I) = $(git rev-parse HEAD)
  71 '
  72
  73 test_expect_success 'test --onto <branch>' '
  74         git checkout -b test-onto branch2 &&
  75         git rebase -i --onto branch1 F &&
  76         test "$(git symbolic-ref -q HEAD)" = "refs/heads/test-onto" &&
  77         test $(git rev-parse HEAD^) = $(git rev-parse branch1) &&
  78         test $(git rev-parse I) = $(git rev-parse branch2)
  79 '
  80
  81 test_expect_success 'rebase on top of a non-conflicting commit' '
  82         git checkout branch1 &&
  83         git tag original-branch1 &&
  84         git rebase -i branch2 &&
  85         test file6 = $(git diff --name-only original-branch1) &&
  86         test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
  87         test $(git rev-parse I) = $(git rev-parse branch2) &&
  88         test $(git rev-parse I) = $(git rev-parse HEAD~2)
  89 '
  90
  91 test_expect_success 'reflog for the branch shows state before rebase' '
  92         test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
  93 '
  94
  95 test_expect_success 'exchange two commits' '
  96         FAKE_LINES="2 1" git rebase -i HEAD~2 &&
  97         test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
  98         test G = $(git cat-file commit HEAD | sed -ne \$p)
  99 '
 100
 101 cat > expect << EOF
 102 diff --git a/file1 b/file1
 103 index f70f10e..fd79235 100644
 104 --- a/file1
 105 +++ b/file1
 106 @@ -1 +1 @@
 107 -A
 108 +G
 109 EOF
 110
 111 cat > expect2 << EOF
 112 <<<<<<< HEAD
 113 D
 114 =======
 115 G
 116 >>>>>>> 51047de... G
 117 EOF
 118
 119 test_expect_success 'stop on conflicting pick' '
 120         git tag new-branch1 &&
 121         test_must_fail git rebase -i master &&
 122         test "$(git rev-parse HEAD~3)" = "$(git rev-parse master)" &&
 123         test_cmp expect .git/rebase-merge/patch &&
 124         test_cmp expect2 file1 &&
 125         test "$(git diff --name-status |
 126                 sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 &&
 127         test 4 = $(grep -v "^#" < .git/rebase-merge/done | wc -l) &&
 128         test 0 = $(grep -c "^[^#]" < .git/rebase-merge/git-rebase-todo)
 129 '
 130
 131 test_expect_success 'abort' '
 132         git rebase --abort &&
 133         test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
 134         test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
 135         ! test -d .git/rebase-merge
 136 '
 137
 138 test_expect_success 'retain authorship' '
 139         echo A > file7 &&
 140         git add file7 &&
 141         test_tick &&
 142         GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
 143         git tag twerp &&
 144         git rebase -i --onto master HEAD^ &&
 145         git show HEAD | grep "^Author: Twerp Snog"
 146 '
 147
 148 test_expect_success 'squash' '
 149         git reset --hard twerp &&
 150         echo B > file7 &&
 151         test_tick &&
 152         GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
 153         echo "******************************" &&
 154         FAKE_LINES="1 squash 2" EXPECT_HEADER_COUNT=2 \
 155                 git rebase -i --onto master HEAD~2 &&
 156         test B = $(cat file7) &&
 157         test $(git rev-parse HEAD^) = $(git rev-parse master)
 158 '
 159
 160 test_expect_success 'retain authorship when squashing' '
 161         git show HEAD | grep "^Author: Twerp Snog"
 162 '
 163
 164 test_expect_success '-p handles "no changes" gracefully' '
 165         HEAD=$(git rev-parse HEAD) &&
 166         git rebase -i -p HEAD^ &&
 167         git update-index --refresh &&
 168         git diff-files --quiet &&
 169         git diff-index --quiet --cached HEAD -- &&
 170         test $HEAD = $(git rev-parse HEAD)
 171 '
 172
 173 test_expect_success 'preserve merges with -p' '
 174         git checkout -b to-be-preserved master^ &&
 175         : > unrelated-file &&
 176         git add unrelated-file &&
 177         test_tick &&
 178         git commit -m "unrelated" &&
 179         git checkout -b another-branch master &&
 180         echo B > file1 &&
 181         test_tick &&
 182         git commit -m J file1 &&
 183         test_tick &&
 184         git merge to-be-preserved &&
 185         echo C > file1 &&
 186         test_tick &&
 187         git commit -m K file1 &&
 188         echo D > file1 &&
 189         test_tick &&
 190         git commit -m L1 file1 &&
 191         git checkout HEAD^ &&
 192         echo 1 > unrelated-file &&
 193         test_tick &&
 194         git commit -m L2 unrelated-file &&
 195         test_tick &&
 196         git merge another-branch &&
 197         echo E > file1 &&
 198         test_tick &&
 199         git commit -m M file1 &&
 200         git checkout -b to-be-rebased &&
 201         test_tick &&
 202         git rebase -i -p --onto branch1 master &&
 203         git update-index --refresh &&
 204         git diff-files --quiet &&
 205         git diff-index --quiet --cached HEAD -- &&
 206         test $(git rev-parse HEAD~6) = $(git rev-parse branch1) &&
 207         test $(git rev-parse HEAD~4^2) = $(git rev-parse to-be-preserved) &&
 208         test $(git rev-parse HEAD^^2^) = $(git rev-parse HEAD^^^) &&
 209         test $(git show HEAD~5:file1) = B &&
 210         test $(git show HEAD~3:file1) = C &&
 211         test $(git show HEAD:file1) = E &&
 212         test $(git show HEAD:unrelated-file) = 1
 213 '
 214
 215 test_expect_success 'edit ancestor with -p' '
 216         FAKE_LINES="1 edit 2 3 4" git rebase -i -p HEAD~3 &&
 217         echo 2 > unrelated-file &&
 218         test_tick &&
 219         git commit -m L2-modified --amend unrelated-file &&
 220         git rebase --continue &&
 221         git update-index --refresh &&
 222         git diff-files --quiet &&
 223         git diff-index --quiet --cached HEAD -- &&
 224         test $(git show HEAD:unrelated-file) = 2
 225 '
 226
 227 test_expect_success '--continue tries to commit' '
 228         test_tick &&
 229         test_must_fail git rebase -i --onto new-branch1 HEAD^ &&
 230         echo resolved > file1 &&
 231         git add file1 &&
 232         FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 233         test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
 234         git show HEAD | grep chouette
 235 '
 236
 237 test_expect_success 'verbose flag is heeded, even after --continue' '
 238         git reset --hard HEAD@{1} &&
 239         test_tick &&
 240         test_must_fail git rebase -v -i --onto new-branch1 HEAD^ &&
 241         echo resolved > file1 &&
 242         git add file1 &&
 243         git rebase --continue > output &&
 244         grep "^ file1 |    2 +-$" output
 245 '
 246
 247 test_expect_success 'multi-squash only fires up editor once' '
 248         base=$(git rev-parse HEAD~4) &&
 249         FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
 250                 EXPECT_HEADER_COUNT=4 \
 251                 git rebase -i $base &&
 252         test $base = $(git rev-parse HEAD^) &&
 253         test 1 = $(git show | grep ONCE | wc -l)
 254 '
 255
 256 test_expect_success 'multi-fixup does not fire up editor' '
 257         git checkout -b multi-fixup E &&
 258         base=$(git rev-parse HEAD~4) &&
 259         FAKE_COMMIT_AMEND="NEVER" FAKE_LINES="1 fixup 2 fixup 3 fixup 4" \
 260                 git rebase -i $base &&
 261         test $base = $(git rev-parse HEAD^) &&
 262         test 0 = $(git show | grep NEVER | wc -l) &&
 263         git checkout to-be-rebased &&
 264         git branch -D multi-fixup
 265 '
 266
 267 test_expect_success 'commit message used after conflict' '
 268         git checkout -b conflict-fixup conflict-branch &&
 269         base=$(git rev-parse HEAD~4) &&
 270         (
 271                 FAKE_LINES="1 fixup 3 fixup 4" &&
 272                 export FAKE_LINES &&
 273                 test_must_fail git rebase -i $base
 274         ) &&
 275         echo three > conflict &&
 276         git add conflict &&
 277         FAKE_COMMIT_AMEND="ONCE" EXPECT_HEADER_COUNT=2 \
 278                 git rebase --continue &&
 279         test $base = $(git rev-parse HEAD^) &&
 280         test 1 = $(git show | grep ONCE | wc -l) &&
 281         git checkout to-be-rebased &&
 282         git branch -D conflict-fixup
 283 '
 284
 285 test_expect_success 'commit message retained after conflict' '
 286         git checkout -b conflict-squash conflict-branch &&
 287         base=$(git rev-parse HEAD~4) &&
 288         (
 289                 FAKE_LINES="1 fixup 3 squash 4" &&
 290                 export FAKE_LINES &&
 291                 test_must_fail git rebase -i $base
 292         ) &&
 293         echo three > conflict &&
 294         git add conflict &&
 295         FAKE_COMMIT_AMEND="TWICE" EXPECT_HEADER_COUNT=2 \
 296                 git rebase --continue &&
 297         test $base = $(git rev-parse HEAD^) &&
 298         test 2 = $(git show | grep TWICE | wc -l) &&
 299         git checkout to-be-rebased &&
 300         git branch -D conflict-squash
 301 '
 302
 303 cat > expect-squash-fixup << EOF
 304 B
 305
 306 D
 307
 308 ONCE
 309 EOF
 310
 311 test_expect_success 'squash and fixup generate correct log messages' '
 312         git checkout -b squash-fixup E &&
 313         base=$(git rev-parse HEAD~4) &&
 314         FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 fixup 2 squash 3 fixup 4" \
 315                 EXPECT_HEADER_COUNT=4 \
 316                 git rebase -i $base &&
 317         git cat-file commit HEAD | sed -e 1,/^\$/d > actual-squash-fixup &&
 318         test_cmp expect-squash-fixup actual-squash-fixup &&
 319         git checkout to-be-rebased &&
 320         git branch -D squash-fixup
 321 '
 322
 323 test_expect_success 'squash ignores comments' '
 324         git checkout -b skip-comments E &&
 325         base=$(git rev-parse HEAD~4) &&
 326         FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="# 1 # squash 2 # squash 3 # squash 4 #" \
 327                 EXPECT_HEADER_COUNT=4 \
 328                 git rebase -i $base &&
 329         test $base = $(git rev-parse HEAD^) &&
 330         test 1 = $(git show | grep ONCE | wc -l) &&
 331         git checkout to-be-rebased &&
 332         git branch -D skip-comments
 333 '
 334
 335 test_expect_success 'squash ignores blank lines' '
 336         git checkout -b skip-blank-lines E &&
 337         base=$(git rev-parse HEAD~4) &&
 338         FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="> 1 > squash 2 > squash 3 > squash 4 >" \
 339                 EXPECT_HEADER_COUNT=4 \
 340                 git rebase -i $base &&
 341         test $base = $(git rev-parse HEAD^) &&
 342         test 1 = $(git show | grep ONCE | wc -l) &&
 343         git checkout to-be-rebased &&
 344         git branch -D skip-blank-lines
 345 '
 346
 347 test_expect_success 'squash works as expected' '
 348         git checkout -b squash-works no-conflict-branch &&
 349         one=$(git rev-parse HEAD~3) &&
 350         FAKE_LINES="1 squash 3 2" EXPECT_HEADER_COUNT=2 \
 351                 git rebase -i HEAD~3 &&
 352         test $one = $(git rev-parse HEAD~2)
 353 '
 354
 355 test_expect_success 'interrupted squash works as expected' '
 356         git checkout -b interrupted-squash conflict-branch &&
 357         one=$(git rev-parse HEAD~3) &&
 358         (
 359                 FAKE_LINES="1 squash 3 2" &&
 360                 export FAKE_LINES &&
 361                 test_must_fail git rebase -i HEAD~3
 362         ) &&
 363         (echo one; echo two; echo four) > conflict &&
 364         git add conflict &&
 365         test_must_fail git rebase --continue &&
 366         echo resolved > conflict &&
 367         git add conflict &&
 368         git rebase --continue &&
 369         test $one = $(git rev-parse HEAD~2)
 370 '
 371
 372 test_expect_success 'interrupted squash works as expected (case 2)' '
 373         git checkout -b interrupted-squash2 conflict-branch &&
 374         one=$(git rev-parse HEAD~3) &&
 375         (
 376                 FAKE_LINES="3 squash 1 2" &&
 377                 export FAKE_LINES &&
 378                 test_must_fail git rebase -i HEAD~3
 379         ) &&
 380         (echo one; echo four) > conflict &&
 381         git add conflict &&
 382         test_must_fail git rebase --continue &&
 383         (echo one; echo two; echo four) > conflict &&
 384         git add conflict &&
 385         test_must_fail git rebase --continue &&
 386         echo resolved > conflict &&
 387         git add conflict &&
 388         git rebase --continue &&
 389         test $one = $(git rev-parse HEAD~2)
 390 '
 391
 392 test_expect_success 'ignore patch if in upstream' '
 393         HEAD=$(git rev-parse HEAD) &&
 394         git checkout -b has-cherry-picked HEAD^ &&
 395         echo unrelated > file7 &&
 396         git add file7 &&
 397         test_tick &&
 398         git commit -m "unrelated change" &&
 399         git cherry-pick $HEAD &&
 400         EXPECT_COUNT=1 git rebase -i $HEAD &&
 401         test $HEAD = $(git rev-parse HEAD^)
 402 '
 403
 404 test_expect_success '--continue tries to commit, even for "edit"' '
 405         parent=$(git rev-parse HEAD^) &&
 406         test_tick &&
 407         FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 408         echo edited > file7 &&
 409         git add file7 &&
 410         FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 411         test edited = $(git show HEAD:file7) &&
 412         git show HEAD | grep chouette &&
 413         test $parent = $(git rev-parse HEAD^)
 414 '
 415
 416 test_expect_success 'aborted --continue does not squash commits after "edit"' '
 417         old=$(git rev-parse HEAD) &&
 418         test_tick &&
 419         FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 420         echo "edited again" > file7 &&
 421         git add file7 &&
 422         (
 423                 FAKE_COMMIT_MESSAGE=" " &&
 424                 export FAKE_COMMIT_MESSAGE &&
 425                 test_must_fail git rebase --continue
 426         ) &&
 427         test $old = $(git rev-parse HEAD) &&
 428         git rebase --abort
 429 '
 430
 431 test_expect_success 'auto-amend only edited commits after "edit"' '
 432         test_tick &&
 433         FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 434         echo "edited again" > file7 &&
 435         git add file7 &&
 436         FAKE_COMMIT_MESSAGE="edited file7 again" git commit &&
 437         echo "and again" > file7 &&
 438         git add file7 &&
 439         test_tick &&
 440         (
 441                 FAKE_COMMIT_MESSAGE="and again" &&
 442                 export FAKE_COMMIT_MESSAGE &&
 443                 test_must_fail git rebase --continue
 444         ) &&
 445         git rebase --abort
 446 '
 447
 448 test_expect_success 'rebase a detached HEAD' '
 449         grandparent=$(git rev-parse HEAD~2) &&
 450         git checkout $(git rev-parse HEAD) &&
 451         test_tick &&
 452         FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 453         test $grandparent = $(git rev-parse HEAD~2)
 454 '
 455
 456 test_expect_success 'rebase a commit violating pre-commit' '
 457
 458         mkdir -p .git/hooks &&
 459         PRE_COMMIT=.git/hooks/pre-commit &&
 460         echo "#!/bin/sh" > $PRE_COMMIT &&
 461         echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
 462         chmod a+x $PRE_COMMIT &&
 463         echo "monde! " >> file1 &&
 464         test_tick &&
 465         test_must_fail git commit -m doesnt-verify file1 &&
 466         git commit -m doesnt-verify --no-verify file1 &&
 467         test_tick &&
 468         FAKE_LINES=2 git rebase -i HEAD~2
 469
 470 '
 471
 472 test_expect_success 'rebase with a file named HEAD in worktree' '
 473
 474         rm -fr .git/hooks &&
 475         git reset --hard &&
 476         git checkout -b branch3 A &&
 477
 478         (
 479                 GIT_AUTHOR_NAME="Squashed Away" &&
 480                 export GIT_AUTHOR_NAME &&
 481                 >HEAD &&
 482                 git add HEAD &&
 483                 git commit -m "Add head" &&
 484                 >BODY &&
 485                 git add BODY &&
 486                 git commit -m "Add body"
 487         ) &&
 488
 489         FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
 490         test "$(git show -s --pretty=format:%an)" = "Squashed Away"
 491
 492 '
 493
 494 test_expect_success 'do "noop" when there is nothing to cherry-pick' '
 495
 496         git checkout -b branch4 HEAD &&
 497         GIT_EDITOR=: git commit --amend \
 498                 --author="Somebody else <somebody@else.com>"
 499         test $(git rev-parse branch3) != $(git rev-parse branch4) &&
 500         git rebase -i branch3 &&
 501         test $(git rev-parse branch3) = $(git rev-parse branch4)
 502
 503 '
 504
 505 test_expect_success 'submodule rebase setup' '
 506         git checkout A &&
 507         mkdir sub &&
 508         (
 509                 cd sub && git init && >elif &&
 510                 git add elif && git commit -m "submodule initial"
 511         ) &&
 512         echo 1 >file1 &&
 513         git add file1 sub
 514         test_tick &&
 515         git commit -m "One" &&
 516         echo 2 >file1 &&
 517         test_tick &&
 518         git commit -a -m "Two" &&
 519         (
 520                 cd sub && echo 3 >elif &&
 521                 git commit -a -m "submodule second"
 522         ) &&
 523         test_tick &&
 524         git commit -a -m "Three changes submodule"
 525 '
 526
 527 test_expect_success 'submodule rebase -i' '
 528         FAKE_LINES="1 squash 2 3" git rebase -i A
 529 '
 530
 531 test_expect_success 'avoid unnecessary reset' '
 532         git checkout master &&
 533         test-chmtime =123456789 file3 &&
 534         git update-index --refresh &&
 535         HEAD=$(git rev-parse HEAD) &&
 536         git rebase -i HEAD~4 &&
 537         test $HEAD = $(git rev-parse HEAD) &&
 538         MTIME=$(test-chmtime -v +0 file3 | sed 's/[^0-9].*$//') &&
 539         test 123456789 = $MTIME
 540 '
 541
 542 test_expect_success 'reword' '
 543         git checkout -b reword-branch master &&
 544         FAKE_LINES="1 2 3 reword 4" FAKE_COMMIT_MESSAGE="E changed" git rebase -i A &&
 545         git show HEAD | grep "E changed" &&
 546         test $(git rev-parse master) != $(git rev-parse HEAD) &&
 547         test $(git rev-parse master^) = $(git rev-parse HEAD^) &&
 548         FAKE_LINES="1 2 reword 3 4" FAKE_COMMIT_MESSAGE="D changed" git rebase -i A &&
 549         git show HEAD^ | grep "D changed" &&
 550         FAKE_LINES="reword 1 2 3 4" FAKE_COMMIT_MESSAGE="B changed" git rebase -i A &&
 551         git show HEAD~3 | grep "B changed" &&
 552         FAKE_LINES="1 reword 2 3 4" FAKE_COMMIT_MESSAGE="C changed" git rebase -i A &&
 553         git show HEAD~2 | grep "C changed"
 554 '
 555
 556 test_done