Andrew's git - gitweb.git/blob - t/t3404-rebase-interactive.sh

   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# set up two branches like this:
  14#
  15# A - B - C - D - E
  16#   \
  17#     F - G - H
  18#       \
  19#         I
  20#
  21# where B, D and G touch the same file.
  22
  23test_expect_success 'setup' '
  24        : > file1 &&
  25        git add file1 &&
  26        test_tick &&
  27        git commit -m A &&
  28        git tag A &&
  29        echo 1 > file1 &&
  30        test_tick &&
  31        git commit -m B file1 &&
  32        : > file2 &&
  33        git add file2 &&
  34        test_tick &&
  35        git commit -m C &&
  36        echo 2 > file1 &&
  37        test_tick &&
  38        git commit -m D file1 &&
  39        : > file3 &&
  40        git add file3 &&
  41        test_tick &&
  42        git commit -m E &&
  43        git checkout -b branch1 A &&
  44        : > file4 &&
  45        git add file4 &&
  46        test_tick &&
  47        git commit -m F &&
  48        git tag F &&
  49        echo 3 > file1 &&
  50        test_tick &&
  51        git commit -m G file1 &&
  52        : > file5 &&
  53        git add file5 &&
  54        test_tick &&
  55        git commit -m H &&
  56        git checkout -b branch2 F &&
  57        : > file6 &&
  58        git add file6 &&
  59        test_tick &&
  60        git commit -m I &&
  61        git tag I
  62'
  63
  64echo "#!$SHELL_PATH" >fake-editor.sh
  65cat >> fake-editor.sh <<\EOF
  66case "$1" in
  67*/COMMIT_EDITMSG)
  68        test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
  69        test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
  70        exit
  71        ;;
  72esac
  73test -z "$EXPECT_COUNT" ||
  74        test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
  75        exit
  76test -z "$FAKE_LINES" && exit
  77grep -v '^#' < "$1" > "$1".tmp
  78rm -f "$1"
  79cat "$1".tmp
  80action=pick
  81for line in $FAKE_LINES; do
  82        case $line in
  83        squash|edit)
  84                action="$line";;
  85        *)
  86                echo sed -n "${line}s/^pick/$action/p"
  87                sed -n "${line}p" < "$1".tmp
  88                sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
  89                action=pick;;
  90        esac
  91done
  92EOF
  93
  94test_set_editor "$(pwd)/fake-editor.sh"
  95chmod a+x fake-editor.sh
  96
  97test_expect_success 'no changes are a nop' '
  98        git rebase -i F &&
  99        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
 100        test $(git rev-parse I) = $(git rev-parse HEAD)
 101'
 102
 103test_expect_success 'test the [branch] option' '
 104        git checkout -b dead-end &&
 105        git rm file6 &&
 106        git commit -m "stop here" &&
 107        git rebase -i F branch2 &&
 108        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
 109        test $(git rev-parse I) = $(git rev-parse branch2) &&
 110        test $(git rev-parse I) = $(git rev-parse HEAD)
 111'
 112
 113test_expect_success 'test --onto <branch>' '
 114        git checkout -b test-onto branch2 &&
 115        git rebase -i --onto branch1 F &&
 116        test "$(git symbolic-ref -q HEAD)" = "refs/heads/test-onto" &&
 117        test $(git rev-parse HEAD^) = $(git rev-parse branch1) &&
 118        test $(git rev-parse I) = $(git rev-parse branch2)
 119'
 120
 121test_expect_success 'rebase on top of a non-conflicting commit' '
 122        git checkout branch1 &&
 123        git tag original-branch1 &&
 124        git rebase -i branch2 &&
 125        test file6 = $(git diff --name-only original-branch1) &&
 126        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
 127        test $(git rev-parse I) = $(git rev-parse branch2) &&
 128        test $(git rev-parse I) = $(git rev-parse HEAD~2)
 129'
 130
 131test_expect_success 'reflog for the branch shows state before rebase' '
 132        test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
 133'
 134
 135test_expect_success 'exchange two commits' '
 136        FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 137        test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
 138        test G = $(git cat-file commit HEAD | sed -ne \$p)
 139'
 140
 141cat > expect << EOF
 142diff --git a/file1 b/file1
 143index e69de29..00750ed 100644
 144--- a/file1
 145+++ b/file1
 146@@ -0,0 +1 @@
 147+3
 148EOF
 149
 150cat > expect2 << EOF
 151<<<<<<< HEAD:file1
 1522
 153=======
 1543
 155>>>>>>> b7ca976... G:file1
 156EOF
 157
 158test_expect_success 'stop on conflicting pick' '
 159        git tag new-branch1 &&
 160        test_must_fail git rebase -i master &&
 161        test "$(git rev-parse HEAD~3)" = "$(git rev-parse master)" &&
 162        test_cmp expect .git/rebase-merge/patch &&
 163        test_cmp expect2 file1 &&
 164        test "$(git diff --name-status |
 165                sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 &&
 166        test 4 = $(grep -v "^#" < .git/rebase-merge/done | wc -l) &&
 167        test 0 = $(grep -c "^[^#]" < .git/rebase-merge/git-rebase-todo)
 168'
 169
 170test_expect_success 'abort' '
 171        git rebase --abort &&
 172        test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
 173        test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
 174        ! test -d .git/rebase-merge
 175'
 176
 177test_expect_success 'retain authorship' '
 178        echo A > file7 &&
 179        git add file7 &&
 180        test_tick &&
 181        GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
 182        git tag twerp &&
 183        git rebase -i --onto master HEAD^ &&
 184        git show HEAD | grep "^Author: Twerp Snog"
 185'
 186
 187test_expect_success 'squash' '
 188        git reset --hard twerp &&
 189        echo B > file7 &&
 190        test_tick &&
 191        GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
 192        echo "******************************" &&
 193        FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
 194        test B = $(cat file7) &&
 195        test $(git rev-parse HEAD^) = $(git rev-parse master)
 196'
 197
 198test_expect_success 'retain authorship when squashing' '
 199        git show HEAD | grep "^Author: Twerp Snog"
 200'
 201
 202test_expect_success '-p handles "no changes" gracefully' '
 203        HEAD=$(git rev-parse HEAD) &&
 204        git rebase -i -p HEAD^ &&
 205        git update-index --refresh &&
 206        git diff-files --quiet &&
 207        git diff-index --quiet --cached HEAD -- &&
 208        test $HEAD = $(git rev-parse HEAD)
 209'
 210
 211test_expect_success 'preserve merges with -p' '
 212        git checkout -b to-be-preserved master^ &&
 213        : > unrelated-file &&
 214        git add unrelated-file &&
 215        test_tick &&
 216        git commit -m "unrelated" &&
 217        git checkout -b another-branch master &&
 218        echo B > file1 &&
 219        test_tick &&
 220        git commit -m J file1 &&
 221        test_tick &&
 222        git merge to-be-preserved &&
 223        echo C > file1 &&
 224        test_tick &&
 225        git commit -m K file1 &&
 226        echo D > file1 &&
 227        test_tick &&
 228        git commit -m L1 file1 &&
 229        git checkout HEAD^ &&
 230        echo 1 > unrelated-file &&
 231        test_tick &&
 232        git commit -m L2 unrelated-file &&
 233        test_tick &&
 234        git merge another-branch &&
 235        echo E > file1 &&
 236        test_tick &&
 237        git commit -m M file1 &&
 238        git checkout -b to-be-rebased &&
 239        test_tick &&
 240        git rebase -i -p --onto branch1 master &&
 241        git update-index --refresh &&
 242        git diff-files --quiet &&
 243        git diff-index --quiet --cached HEAD -- &&
 244        test $(git rev-parse HEAD~6) = $(git rev-parse branch1) &&
 245        test $(git rev-parse HEAD~4^2) = $(git rev-parse to-be-preserved) &&
 246        test $(git rev-parse HEAD^^2^) = $(git rev-parse HEAD^^^) &&
 247        test $(git show HEAD~5:file1) = B &&
 248        test $(git show HEAD~3:file1) = C &&
 249        test $(git show HEAD:file1) = E &&
 250        test $(git show HEAD:unrelated-file) = 1
 251'
 252
 253test_expect_success 'edit ancestor with -p' '
 254        FAKE_LINES="1 edit 2 3 4" git rebase -i -p HEAD~3 &&
 255        echo 2 > unrelated-file &&
 256        test_tick &&
 257        git commit -m L2-modified --amend unrelated-file &&
 258        git rebase --continue &&
 259        git update-index --refresh &&
 260        git diff-files --quiet &&
 261        git diff-index --quiet --cached HEAD -- &&
 262        test $(git show HEAD:unrelated-file) = 2
 263'
 264
 265test_expect_success '--continue tries to commit' '
 266        test_tick &&
 267        test_must_fail git rebase -i --onto new-branch1 HEAD^ &&
 268        echo resolved > file1 &&
 269        git add file1 &&
 270        FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 271        test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
 272        git show HEAD | grep chouette
 273'
 274
 275test_expect_success 'verbose flag is heeded, even after --continue' '
 276        git reset --hard HEAD@{1} &&
 277        test_tick &&
 278        test_must_fail git rebase -v -i --onto new-branch1 HEAD^ &&
 279        echo resolved > file1 &&
 280        git add file1 &&
 281        git rebase --continue > output &&
 282        grep "^ file1 |    2 +-$" output
 283'
 284
 285test_expect_success 'multi-squash only fires up editor once' '
 286        base=$(git rev-parse HEAD~4) &&
 287        FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
 288                git rebase -i $base &&
 289        test $base = $(git rev-parse HEAD^) &&
 290        test 1 = $(git show | grep ONCE | wc -l)
 291'
 292
 293test_expect_success 'squash works as expected' '
 294        for n in one two three four
 295        do
 296                echo $n >> file$n &&
 297                git add file$n &&
 298                git commit -m $n
 299        done &&
 300        one=$(git rev-parse HEAD~3) &&
 301        FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
 302        test $one = $(git rev-parse HEAD~2)
 303'
 304
 305test_expect_success 'interrupted squash works as expected' '
 306        for n in one two three four
 307        do
 308                echo $n >> conflict &&
 309                git add conflict &&
 310                git commit -m $n
 311        done &&
 312        one=$(git rev-parse HEAD~3) &&
 313        (
 314                FAKE_LINES="1 squash 3 2" &&
 315                export FAKE_LINES &&
 316                test_must_fail git rebase -i HEAD~3
 317        ) &&
 318        (echo one; echo two; echo four) > conflict &&
 319        git add conflict &&
 320        test_must_fail git rebase --continue &&
 321        echo resolved > conflict &&
 322        git add conflict &&
 323        git rebase --continue &&
 324        test $one = $(git rev-parse HEAD~2)
 325'
 326
 327test_expect_success 'interrupted squash works as expected (case 2)' '
 328        for n in one two three four
 329        do
 330                echo $n >> conflict &&
 331                git add conflict &&
 332                git commit -m $n
 333        done &&
 334        one=$(git rev-parse HEAD~3) &&
 335        (
 336                FAKE_LINES="3 squash 1 2" &&
 337                export FAKE_LINES &&
 338                test_must_fail git rebase -i HEAD~3
 339        ) &&
 340        (echo one; echo four) > conflict &&
 341        git add conflict &&
 342        test_must_fail git rebase --continue &&
 343        (echo one; echo two; echo four) > conflict &&
 344        git add conflict &&
 345        test_must_fail git rebase --continue &&
 346        echo resolved > conflict &&
 347        git add conflict &&
 348        git rebase --continue &&
 349        test $one = $(git rev-parse HEAD~2)
 350'
 351
 352test_expect_success 'ignore patch if in upstream' '
 353        HEAD=$(git rev-parse HEAD) &&
 354        git checkout -b has-cherry-picked HEAD^ &&
 355        echo unrelated > file7 &&
 356        git add file7 &&
 357        test_tick &&
 358        git commit -m "unrelated change" &&
 359        git cherry-pick $HEAD &&
 360        EXPECT_COUNT=1 git rebase -i $HEAD &&
 361        test $HEAD = $(git rev-parse HEAD^)
 362'
 363
 364test_expect_success '--continue tries to commit, even for "edit"' '
 365        parent=$(git rev-parse HEAD^) &&
 366        test_tick &&
 367        FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 368        echo edited > file7 &&
 369        git add file7 &&
 370        FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 371        test edited = $(git show HEAD:file7) &&
 372        git show HEAD | grep chouette &&
 373        test $parent = $(git rev-parse HEAD^)
 374'
 375
 376test_expect_success 'rebase a detached HEAD' '
 377        grandparent=$(git rev-parse HEAD~2) &&
 378        git checkout $(git rev-parse HEAD) &&
 379        test_tick &&
 380        FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 381        test $grandparent = $(git rev-parse HEAD~2)
 382'
 383
 384test_expect_success 'rebase a commit violating pre-commit' '
 385
 386        mkdir -p .git/hooks &&
 387        PRE_COMMIT=.git/hooks/pre-commit &&
 388        echo "#!/bin/sh" > $PRE_COMMIT &&
 389        echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
 390        chmod a+x $PRE_COMMIT &&
 391        echo "monde! " >> file1 &&
 392        test_tick &&
 393        test_must_fail git commit -m doesnt-verify file1 &&
 394        git commit -m doesnt-verify --no-verify file1 &&
 395        test_tick &&
 396        FAKE_LINES=2 git rebase -i HEAD~2
 397
 398'
 399
 400test_expect_success 'rebase with a file named HEAD in worktree' '
 401
 402        rm -fr .git/hooks &&
 403        git reset --hard &&
 404        git checkout -b branch3 A &&
 405
 406        (
 407                GIT_AUTHOR_NAME="Squashed Away" &&
 408                export GIT_AUTHOR_NAME &&
 409                >HEAD &&
 410                git add HEAD &&
 411                git commit -m "Add head" &&
 412                >BODY &&
 413                git add BODY &&
 414                git commit -m "Add body"
 415        ) &&
 416
 417        FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
 418        test "$(git show -s --pretty=format:%an)" = "Squashed Away"
 419
 420'
 421
 422test_expect_success 'do "noop" when there is nothing to cherry-pick' '
 423
 424        git checkout -b branch4 HEAD &&
 425        GIT_EDITOR=: git commit --amend \
 426                --author="Somebody else <somebody@else.com>" 
 427        test $(git rev-parse branch3) != $(git rev-parse branch4) &&
 428        git rebase -i branch3 &&
 429        test $(git rev-parse branch3) = $(git rev-parse branch4)
 430
 431'
 432
 433test_done