Andrew's git / gitweb.git / t/t3404-rebase-interactive.sh
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t / t3404-rebase-interactive.shon commit Merge branch 'tr/rfc-reset-doc' into maint (443938d)
   1#!/bin/sh
   2#
   3# Copyright (c) 2007 Johannes E. Schindelin
   4#
   5
   6test_description='git rebase interactive
   7
   8This test runs git rebase "interactively", by faking an edit, and verifies
   9that the result still makes sense.
  10'
  11. ./test-lib.sh
  12
  13. "$TEST_DIRECTORY"/lib-rebase.sh
  14
  15set_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#    N - O - P                 (no-ff-branch)
  30#
  31# where A, B, D and G all touch file1, and one, two, three, four all
  32# touch file "conflict".
  33#
  34# WARNING: Modifications to the initial repository can change the SHA ID used
  35# in the expect2 file for the 'stop on conflicting pick' test.
  36
  37
  38test_expect_success 'setup' '
  39        test_commit A file1 &&
  40        test_commit B file1 &&
  41        test_commit C file2 &&
  42        test_commit D file1 &&
  43        test_commit E file3 &&
  44        git checkout -b branch1 A &&
  45        test_commit F file4 &&
  46        test_commit G file1 &&
  47        test_commit H file5 &&
  48        git checkout -b branch2 F &&
  49        test_commit I file6
  50        git checkout -b conflict-branch A &&
  51        for n in one two three four
  52        do
  53                test_commit $n conflict
  54        done &&
  55        git checkout -b no-conflict-branch A &&
  56        for n in J K L M
  57        do
  58                test_commit $n file$n
  59        done &&
  60        git checkout -b no-ff-branch A &&
  61        for n in N O P
  62        do
  63                test_commit $n file$n
  64        done
  65'
  66
  67test_expect_success 'no changes are a nop' '
  68        git checkout branch2 &&
  69        git rebase -i F &&
  70        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
  71        test $(git rev-parse I) = $(git rev-parse HEAD)
  72'
  73
  74test_expect_success 'test the [branch] option' '
  75        git checkout -b dead-end &&
  76        git rm file6 &&
  77        git commit -m "stop here" &&
  78        git rebase -i F branch2 &&
  79        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
  80        test $(git rev-parse I) = $(git rev-parse branch2) &&
  81        test $(git rev-parse I) = $(git rev-parse HEAD)
  82'
  83
  84test_expect_success 'test --onto <branch>' '
  85        git checkout -b test-onto branch2 &&
  86        git rebase -i --onto branch1 F &&
  87        test "$(git symbolic-ref -q HEAD)" = "refs/heads/test-onto" &&
  88        test $(git rev-parse HEAD^) = $(git rev-parse branch1) &&
  89        test $(git rev-parse I) = $(git rev-parse branch2)
  90'
  91
  92test_expect_success 'rebase on top of a non-conflicting commit' '
  93        git checkout branch1 &&
  94        git tag original-branch1 &&
  95        git rebase -i branch2 &&
  96        test file6 = $(git diff --name-only original-branch1) &&
  97        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
  98        test $(git rev-parse I) = $(git rev-parse branch2) &&
  99        test $(git rev-parse I) = $(git rev-parse HEAD~2)
 100'
 101
 102test_expect_success 'reflog for the branch shows state before rebase' '
 103        test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
 104'
 105
 106test_expect_success 'exchange two commits' '
 107        FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 108        test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
 109        test G = $(git cat-file commit HEAD | sed -ne \$p)
 110'
 111
 112cat > expect << EOF
 113diff --git a/file1 b/file1
 114index f70f10e..fd79235 100644
 115--- a/file1
 116+++ b/file1
 117@@ -1 +1 @@
 118-A
 119+G
 120EOF
 121
 122cat > expect2 << EOF
 123<<<<<<< HEAD
 124D
 125=======
 126G
 127>>>>>>> 5d18e54... G
 128EOF
 129
 130test_expect_success 'stop on conflicting pick' '
 131        git tag new-branch1 &&
 132        test_must_fail git rebase -i master &&
 133        test "$(git rev-parse HEAD~3)" = "$(git rev-parse master)" &&
 134        test_cmp expect .git/rebase-merge/patch &&
 135        test_cmp expect2 file1 &&
 136        test "$(git diff --name-status |
 137                sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 &&
 138        test 4 = $(grep -v "^#" < .git/rebase-merge/done | wc -l) &&
 139        test 0 = $(grep -c "^[^#]" < .git/rebase-merge/git-rebase-todo)
 140'
 141
 142test_expect_success 'abort' '
 143        git rebase --abort &&
 144        test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
 145        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
 146        ! test -d .git/rebase-merge
 147'
 148
 149test_expect_success 'abort with error when new base cannot be checked out' '
 150        git rm --cached file1 &&
 151        git commit -m "remove file in base" &&
 152        test_must_fail git rebase -i master > output 2>&1 &&
 153        grep "Untracked working tree file .file1. would be overwritten" \
 154                output &&
 155        ! test -d .git/rebase-merge &&
 156        git reset --hard HEAD^
 157'
 158
 159test_expect_success 'retain authorship' '
 160        echo A > file7 &&
 161        git add file7 &&
 162        test_tick &&
 163        GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
 164        git tag twerp &&
 165        git rebase -i --onto master HEAD^ &&
 166        git show HEAD | grep "^Author: Twerp Snog"
 167'
 168
 169test_expect_success 'squash' '
 170        git reset --hard twerp &&
 171        echo B > file7 &&
 172        test_tick &&
 173        GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
 174        echo "******************************" &&
 175        FAKE_LINES="1 squash 2" EXPECT_HEADER_COUNT=2 \
 176                git rebase -i --onto master HEAD~2 &&
 177        test B = $(cat file7) &&
 178        test $(git rev-parse HEAD^) = $(git rev-parse master)
 179'
 180
 181test_expect_success 'retain authorship when squashing' '
 182        git show HEAD | grep "^Author: Twerp Snog"
 183'
 184
 185test_expect_success '-p handles "no changes" gracefully' '
 186        HEAD=$(git rev-parse HEAD) &&
 187        git rebase -i -p HEAD^ &&
 188        git update-index --refresh &&
 189        git diff-files --quiet &&
 190        git diff-index --quiet --cached HEAD -- &&
 191        test $HEAD = $(git rev-parse HEAD)
 192'
 193
 194test_expect_failure 'exchange two commits with -p' '
 195        FAKE_LINES="2 1" git rebase -i -p HEAD~2 &&
 196        test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
 197        test G = $(git cat-file commit HEAD | sed -ne \$p)
 198'
 199
 200test_expect_success 'preserve merges with -p' '
 201        git checkout -b to-be-preserved master^ &&
 202        : > unrelated-file &&
 203        git add unrelated-file &&
 204        test_tick &&
 205        git commit -m "unrelated" &&
 206        git checkout -b another-branch master &&
 207        echo B > file1 &&
 208        test_tick &&
 209        git commit -m J file1 &&
 210        test_tick &&
 211        git merge to-be-preserved &&
 212        echo C > file1 &&
 213        test_tick &&
 214        git commit -m K file1 &&
 215        echo D > file1 &&
 216        test_tick &&
 217        git commit -m L1 file1 &&
 218        git checkout HEAD^ &&
 219        echo 1 > unrelated-file &&
 220        test_tick &&
 221        git commit -m L2 unrelated-file &&
 222        test_tick &&
 223        git merge another-branch &&
 224        echo E > file1 &&
 225        test_tick &&
 226        git commit -m M file1 &&
 227        git checkout -b to-be-rebased &&
 228        test_tick &&
 229        git rebase -i -p --onto branch1 master &&
 230        git update-index --refresh &&
 231        git diff-files --quiet &&
 232        git diff-index --quiet --cached HEAD -- &&
 233        test $(git rev-parse HEAD~6) = $(git rev-parse branch1) &&
 234        test $(git rev-parse HEAD~4^2) = $(git rev-parse to-be-preserved) &&
 235        test $(git rev-parse HEAD^^2^) = $(git rev-parse HEAD^^^) &&
 236        test $(git show HEAD~5:file1) = B &&
 237        test $(git show HEAD~3:file1) = C &&
 238        test $(git show HEAD:file1) = E &&
 239        test $(git show HEAD:unrelated-file) = 1
 240'
 241
 242test_expect_success 'edit ancestor with -p' '
 243        FAKE_LINES="1 edit 2 3 4" git rebase -i -p HEAD~3 &&
 244        echo 2 > unrelated-file &&
 245        test_tick &&
 246        git commit -m L2-modified --amend unrelated-file &&
 247        git rebase --continue &&
 248        git update-index --refresh &&
 249        git diff-files --quiet &&
 250        git diff-index --quiet --cached HEAD -- &&
 251        test $(git show HEAD:unrelated-file) = 2
 252'
 253
 254test_expect_success '--continue tries to commit' '
 255        test_tick &&
 256        test_must_fail git rebase -i --onto new-branch1 HEAD^ &&
 257        echo resolved > file1 &&
 258        git add file1 &&
 259        FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 260        test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
 261        git show HEAD | grep chouette
 262'
 263
 264test_expect_success 'verbose flag is heeded, even after --continue' '
 265        git reset --hard HEAD@{1} &&
 266        test_tick &&
 267        test_must_fail git rebase -v -i --onto new-branch1 HEAD^ &&
 268        echo resolved > file1 &&
 269        git add file1 &&
 270        git rebase --continue > output &&
 271        grep "^ file1 |    2 +-$" output
 272'
 273
 274test_expect_success 'multi-squash only fires up editor once' '
 275        base=$(git rev-parse HEAD~4) &&
 276        FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
 277                EXPECT_HEADER_COUNT=4 \
 278                git rebase -i $base &&
 279        test $base = $(git rev-parse HEAD^) &&
 280        test 1 = $(git show | grep ONCE | wc -l)
 281'
 282
 283test_expect_success 'multi-fixup does not fire up editor' '
 284        git checkout -b multi-fixup E &&
 285        base=$(git rev-parse HEAD~4) &&
 286        FAKE_COMMIT_AMEND="NEVER" FAKE_LINES="1 fixup 2 fixup 3 fixup 4" \
 287                git rebase -i $base &&
 288        test $base = $(git rev-parse HEAD^) &&
 289        test 0 = $(git show | grep NEVER | wc -l) &&
 290        git checkout to-be-rebased &&
 291        git branch -D multi-fixup
 292'
 293
 294test_expect_success 'commit message used after conflict' '
 295        git checkout -b conflict-fixup conflict-branch &&
 296        base=$(git rev-parse HEAD~4) &&
 297        (
 298                FAKE_LINES="1 fixup 3 fixup 4" &&
 299                export FAKE_LINES &&
 300                test_must_fail git rebase -i $base
 301        ) &&
 302        echo three > conflict &&
 303        git add conflict &&
 304        FAKE_COMMIT_AMEND="ONCE" EXPECT_HEADER_COUNT=2 \
 305                git rebase --continue &&
 306        test $base = $(git rev-parse HEAD^) &&
 307        test 1 = $(git show | grep ONCE | wc -l) &&
 308        git checkout to-be-rebased &&
 309        git branch -D conflict-fixup
 310'
 311
 312test_expect_success 'commit message retained after conflict' '
 313        git checkout -b conflict-squash conflict-branch &&
 314        base=$(git rev-parse HEAD~4) &&
 315        (
 316                FAKE_LINES="1 fixup 3 squash 4" &&
 317                export FAKE_LINES &&
 318                test_must_fail git rebase -i $base
 319        ) &&
 320        echo three > conflict &&
 321        git add conflict &&
 322        FAKE_COMMIT_AMEND="TWICE" EXPECT_HEADER_COUNT=2 \
 323                git rebase --continue &&
 324        test $base = $(git rev-parse HEAD^) &&
 325        test 2 = $(git show | grep TWICE | wc -l) &&
 326        git checkout to-be-rebased &&
 327        git branch -D conflict-squash
 328'
 329
 330cat > expect-squash-fixup << EOF
 331B
 332
 333D
 334
 335ONCE
 336EOF
 337
 338test_expect_success 'squash and fixup generate correct log messages' '
 339        git checkout -b squash-fixup E &&
 340        base=$(git rev-parse HEAD~4) &&
 341        FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 fixup 2 squash 3 fixup 4" \
 342                EXPECT_HEADER_COUNT=4 \
 343                git rebase -i $base &&
 344        git cat-file commit HEAD | sed -e 1,/^\$/d > actual-squash-fixup &&
 345        test_cmp expect-squash-fixup actual-squash-fixup &&
 346        git checkout to-be-rebased &&
 347        git branch -D squash-fixup
 348'
 349
 350test_expect_success 'squash ignores comments' '
 351        git checkout -b skip-comments E &&
 352        base=$(git rev-parse HEAD~4) &&
 353        FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="# 1 # squash 2 # squash 3 # squash 4 #" \
 354                EXPECT_HEADER_COUNT=4 \
 355                git rebase -i $base &&
 356        test $base = $(git rev-parse HEAD^) &&
 357        test 1 = $(git show | grep ONCE | wc -l) &&
 358        git checkout to-be-rebased &&
 359        git branch -D skip-comments
 360'
 361
 362test_expect_success 'squash ignores blank lines' '
 363        git checkout -b skip-blank-lines E &&
 364        base=$(git rev-parse HEAD~4) &&
 365        FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="> 1 > squash 2 > squash 3 > squash 4 >" \
 366                EXPECT_HEADER_COUNT=4 \
 367                git rebase -i $base &&
 368        test $base = $(git rev-parse HEAD^) &&
 369        test 1 = $(git show | grep ONCE | wc -l) &&
 370        git checkout to-be-rebased &&
 371        git branch -D skip-blank-lines
 372'
 373
 374test_expect_success 'squash works as expected' '
 375        git checkout -b squash-works no-conflict-branch &&
 376        one=$(git rev-parse HEAD~3) &&
 377        FAKE_LINES="1 squash 3 2" EXPECT_HEADER_COUNT=2 \
 378                git rebase -i HEAD~3 &&
 379        test $one = $(git rev-parse HEAD~2)
 380'
 381
 382test_expect_success 'interrupted squash works as expected' '
 383        git checkout -b interrupted-squash conflict-branch &&
 384        one=$(git rev-parse HEAD~3) &&
 385        (
 386                FAKE_LINES="1 squash 3 2" &&
 387                export FAKE_LINES &&
 388                test_must_fail git rebase -i HEAD~3
 389        ) &&
 390        (echo one; echo two; echo four) > conflict &&
 391        git add conflict &&
 392        test_must_fail git rebase --continue &&
 393        echo resolved > conflict &&
 394        git add conflict &&
 395        git rebase --continue &&
 396        test $one = $(git rev-parse HEAD~2)
 397'
 398
 399test_expect_success 'interrupted squash works as expected (case 2)' '
 400        git checkout -b interrupted-squash2 conflict-branch &&
 401        one=$(git rev-parse HEAD~3) &&
 402        (
 403                FAKE_LINES="3 squash 1 2" &&
 404                export FAKE_LINES &&
 405                test_must_fail git rebase -i HEAD~3
 406        ) &&
 407        (echo one; echo four) > conflict &&
 408        git add conflict &&
 409        test_must_fail git rebase --continue &&
 410        (echo one; echo two; echo four) > conflict &&
 411        git add conflict &&
 412        test_must_fail git rebase --continue &&
 413        echo resolved > conflict &&
 414        git add conflict &&
 415        git rebase --continue &&
 416        test $one = $(git rev-parse HEAD~2)
 417'
 418
 419test_expect_success 'ignore patch if in upstream' '
 420        HEAD=$(git rev-parse HEAD) &&
 421        git checkout -b has-cherry-picked HEAD^ &&
 422        echo unrelated > file7 &&
 423        git add file7 &&
 424        test_tick &&
 425        git commit -m "unrelated change" &&
 426        git cherry-pick $HEAD &&
 427        EXPECT_COUNT=1 git rebase -i $HEAD &&
 428        test $HEAD = $(git rev-parse HEAD^)
 429'
 430
 431test_expect_success '--continue tries to commit, even for "edit"' '
 432        parent=$(git rev-parse HEAD^) &&
 433        test_tick &&
 434        FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 435        echo edited > file7 &&
 436        git add file7 &&
 437        FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 438        test edited = $(git show HEAD:file7) &&
 439        git show HEAD | grep chouette &&
 440        test $parent = $(git rev-parse HEAD^)
 441'
 442
 443test_expect_success 'aborted --continue does not squash commits after "edit"' '
 444        old=$(git rev-parse HEAD) &&
 445        test_tick &&
 446        FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 447        echo "edited again" > file7 &&
 448        git add file7 &&
 449        (
 450                FAKE_COMMIT_MESSAGE=" " &&
 451                export FAKE_COMMIT_MESSAGE &&
 452                test_must_fail git rebase --continue
 453        ) &&
 454        test $old = $(git rev-parse HEAD) &&
 455        git rebase --abort
 456'
 457
 458test_expect_success 'auto-amend only edited commits after "edit"' '
 459        test_tick &&
 460        FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 461        echo "edited again" > file7 &&
 462        git add file7 &&
 463        FAKE_COMMIT_MESSAGE="edited file7 again" git commit &&
 464        echo "and again" > file7 &&
 465        git add file7 &&
 466        test_tick &&
 467        (
 468                FAKE_COMMIT_MESSAGE="and again" &&
 469                export FAKE_COMMIT_MESSAGE &&
 470                test_must_fail git rebase --continue
 471        ) &&
 472        git rebase --abort
 473'
 474
 475test_expect_success 'rebase a detached HEAD' '
 476        grandparent=$(git rev-parse HEAD~2) &&
 477        git checkout $(git rev-parse HEAD) &&
 478        test_tick &&
 479        FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 480        test $grandparent = $(git rev-parse HEAD~2)
 481'
 482
 483test_expect_success 'rebase a commit violating pre-commit' '
 484
 485        mkdir -p .git/hooks &&
 486        PRE_COMMIT=.git/hooks/pre-commit &&
 487        echo "#!/bin/sh" > $PRE_COMMIT &&
 488        echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
 489        chmod a+x $PRE_COMMIT &&
 490        echo "monde! " >> file1 &&
 491        test_tick &&
 492        test_must_fail git commit -m doesnt-verify file1 &&
 493        git commit -m doesnt-verify --no-verify file1 &&
 494        test_tick &&
 495        FAKE_LINES=2 git rebase -i HEAD~2
 496
 497'
 498
 499test_expect_success 'rebase with a file named HEAD in worktree' '
 500
 501        rm -fr .git/hooks &&
 502        git reset --hard &&
 503        git checkout -b branch3 A &&
 504
 505        (
 506                GIT_AUTHOR_NAME="Squashed Away" &&
 507                export GIT_AUTHOR_NAME &&
 508                >HEAD &&
 509                git add HEAD &&
 510                git commit -m "Add head" &&
 511                >BODY &&
 512                git add BODY &&
 513                git commit -m "Add body"
 514        ) &&
 515
 516        FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
 517        test "$(git show -s --pretty=format:%an)" = "Squashed Away"
 518
 519'
 520
 521test_expect_success 'do "noop" when there is nothing to cherry-pick' '
 522
 523        git checkout -b branch4 HEAD &&
 524        GIT_EDITOR=: git commit --amend \
 525                --author="Somebody else <somebody@else.com>" 
 526        test $(git rev-parse branch3) != $(git rev-parse branch4) &&
 527        git rebase -i branch3 &&
 528        test $(git rev-parse branch3) = $(git rev-parse branch4)
 529
 530'
 531
 532test_expect_success 'submodule rebase setup' '
 533        git checkout A &&
 534        mkdir sub &&
 535        (
 536                cd sub && git init && >elif &&
 537                git add elif && git commit -m "submodule initial"
 538        ) &&
 539        echo 1 >file1 &&
 540        git add file1 sub
 541        test_tick &&
 542        git commit -m "One" &&
 543        echo 2 >file1 &&
 544        test_tick &&
 545        git commit -a -m "Two" &&
 546        (
 547                cd sub && echo 3 >elif &&
 548                git commit -a -m "submodule second"
 549        ) &&
 550        test_tick &&
 551        git commit -a -m "Three changes submodule"
 552'
 553
 554test_expect_success 'submodule rebase -i' '
 555        FAKE_LINES="1 squash 2 3" git rebase -i A
 556'
 557
 558test_expect_success 'avoid unnecessary reset' '
 559        git checkout master &&
 560        test-chmtime =123456789 file3 &&
 561        git update-index --refresh &&
 562        HEAD=$(git rev-parse HEAD) &&
 563        git rebase -i HEAD~4 &&
 564        test $HEAD = $(git rev-parse HEAD) &&
 565        MTIME=$(test-chmtime -v +0 file3 | sed 's/[^0-9].*$//') &&
 566        test 123456789 = $MTIME
 567'
 568
 569test_expect_success 'reword' '
 570        git checkout -b reword-branch master &&
 571        FAKE_LINES="1 2 3 reword 4" FAKE_COMMIT_MESSAGE="E changed" git rebase -i A &&
 572        git show HEAD | grep "E changed" &&
 573        test $(git rev-parse master) != $(git rev-parse HEAD) &&
 574        test $(git rev-parse master^) = $(git rev-parse HEAD^) &&
 575        FAKE_LINES="1 2 reword 3 4" FAKE_COMMIT_MESSAGE="D changed" git rebase -i A &&
 576        git show HEAD^ | grep "D changed" &&
 577        FAKE_LINES="reword 1 2 3 4" FAKE_COMMIT_MESSAGE="B changed" git rebase -i A &&
 578        git show HEAD~3 | grep "B changed" &&
 579        FAKE_LINES="1 reword 2 3 4" FAKE_COMMIT_MESSAGE="C changed" git rebase -i A &&
 580        git show HEAD~2 | grep "C changed"
 581'
 582
 583test_expect_success 'rebase -i can copy notes' '
 584        git config notes.rewrite.rebase true &&
 585        git config notes.rewriteRef "refs/notes/*" &&
 586        test_commit n1 &&
 587        test_commit n2 &&
 588        test_commit n3 &&
 589        git notes add -m"a note" n3 &&
 590        git rebase --onto n1 n2 &&
 591        test "a note" = "$(git notes show HEAD)"
 592'
 593
 594cat >expect <<EOF
 595an earlier note
 596a note
 597EOF
 598
 599test_expect_success 'rebase -i can copy notes over a fixup' '
 600        git reset --hard n3 &&
 601        git notes add -m"an earlier note" n2 &&
 602        GIT_NOTES_REWRITE_MODE=concatenate FAKE_LINES="1 fixup 2" git rebase -i n1 &&
 603        git notes show > output &&
 604        test_cmp expect output
 605'
 606
 607test_expect_success 'rebase while detaching HEAD' '
 608        git symbolic-ref HEAD &&
 609        grandparent=$(git rev-parse HEAD~2) &&
 610        test_tick &&
 611        FAKE_LINES="2 1" git rebase -i HEAD~2 HEAD^0 &&
 612        test $grandparent = $(git rev-parse HEAD~2) &&
 613        test_must_fail git symbolic-ref HEAD
 614'
 615
 616test_tick # Ensure that the rebased commits get a different timestamp.
 617test_expect_success 'always cherry-pick with --no-ff' '
 618        git checkout no-ff-branch &&
 619        git tag original-no-ff-branch &&
 620        git rebase -i --no-ff A &&
 621        touch empty &&
 622        for p in 0 1 2
 623        do
 624                test ! $(git rev-parse HEAD~$p) = $(git rev-parse original-no-ff-branch~$p) &&
 625                git diff HEAD~$p original-no-ff-branch~$p > out &&
 626                test_cmp empty out
 627        done &&
 628        test $(git rev-parse HEAD~3) = $(git rev-parse original-no-ff-branch~3) &&
 629        git diff HEAD~3 original-no-ff-branch~3 > out &&
 630        test_cmp empty out
 631'
 632
 633test_expect_success 'set up commits with funny messages' '
 634        git checkout -b funny A &&
 635        echo >>file1 &&
 636        test_tick &&
 637        git commit -a -m "end with slash\\" &&
 638        echo >>file1 &&
 639        test_tick &&
 640        git commit -a -m "something (\000) that looks like octal" &&
 641        echo >>file1 &&
 642        test_tick &&
 643        git commit -a -m "something (\n) that looks like a newline" &&
 644        echo >>file1 &&
 645        test_tick &&
 646        git commit -a -m "another commit"
 647'
 648
 649test_expect_success 'rebase-i history with funny messages' '
 650        git rev-list A..funny >expect &&
 651        test_tick &&
 652        FAKE_LINES="1 2 3 4" git rebase -i A &&
 653        git rev-list A.. >actual &&
 654        test_cmp expect actual
 655'
 656
 657test_done