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 # 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
  23 test_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
  64 echo "#!$SHELL" >fake-editor
  65 cat >> fake-editor.sh <<\EOF
  66 case "$1" in
  67 */COMMIT_EDITMSG)
  68         test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
  69         test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
  70         exit
  71         ;;
  72 esac
  73 test -z "$EXPECT_COUNT" ||
  74         test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
  75         exit
  76 test -z "$FAKE_LINES" && exit
  77 grep -v '^#' < "$1" > "$1".tmp
  78 rm -f "$1"
  79 cat "$1".tmp
  80 action=pick
  81 for 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 >> "$1"
  89                 action=pick;;
  90         esac
  91 done
  92 EOF
  93
  94 chmod a+x fake-editor.sh
  95 VISUAL="$(pwd)/fake-editor.sh"
  96 export VISUAL
  97
  98 test_expect_success 'no changes are a nop' '
  99         git rebase -i F &&
 100         test $(git rev-parse I) = $(git rev-parse HEAD)
 101 '
 102
 103 test_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 rev-parse I) = $(git rev-parse HEAD)
 109 '
 110
 111 test_expect_success 'rebase on top of a non-conflicting commit' '
 112         git checkout branch1 &&
 113         git tag original-branch1 &&
 114         git rebase -i branch2 &&
 115         test file6 = $(git diff --name-only original-branch1) &&
 116         test $(git rev-parse I) = $(git rev-parse HEAD~2)
 117 '
 118
 119 test_expect_success 'reflog for the branch shows state before rebase' '
 120         test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
 121 '
 122
 123 test_expect_success 'exchange two commits' '
 124         FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 125         test H = $(git cat-file commit HEAD^ | tail -n 1) &&
 126         test G = $(git cat-file commit HEAD | tail -n 1)
 127 '
 128
 129 cat > expect << EOF
 130 diff --git a/file1 b/file1
 131 index e69de29..00750ed 100644
 132 --- a/file1
 133 +++ b/file1
 134 @@ -0,0 +1 @@
 135 +3
 136 EOF
 137
 138 cat > expect2 << EOF
 139 <<<<<<< HEAD:file1
 140 2
 141 =======
 142 3
 143 >>>>>>> b7ca976... G:file1
 144 EOF
 145
 146 test_expect_success 'stop on conflicting pick' '
 147         git tag new-branch1 &&
 148         ! git rebase -i master &&
 149         diff -u expect .git/.dotest-merge/patch &&
 150         diff -u expect2 file1 &&
 151         test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) &&
 152         test 0 = $(grep -ve "^#" -e "^$" < .git/.dotest-merge/git-rebase-todo |
 153                 wc -l)
 154 '
 155
 156 test_expect_success 'abort' '
 157         git rebase --abort &&
 158         test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
 159         ! test -d .git/.dotest-merge
 160 '
 161
 162 test_expect_success 'retain authorship' '
 163         echo A > file7 &&
 164         git add file7 &&
 165         test_tick &&
 166         GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
 167         git tag twerp &&
 168         git rebase -i --onto master HEAD^ &&
 169         git show HEAD | grep "^Author: Twerp Snog"
 170 '
 171
 172 test_expect_success 'squash' '
 173         git reset --hard twerp &&
 174         echo B > file7 &&
 175         test_tick &&
 176         GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
 177         echo "******************************" &&
 178         FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
 179         test B = $(cat file7) &&
 180         test $(git rev-parse HEAD^) = $(git rev-parse master)
 181 '
 182
 183 test_expect_success 'retain authorship when squashing' '
 184         git show HEAD | grep "^Author: Twerp Snog"
 185 '
 186
 187 test_expect_success '-p handles "no changes" gracefully' '
 188         HEAD=$(git rev-parse HEAD) &&
 189         git rebase -i -p HEAD^ &&
 190         test $HEAD = $(git rev-parse HEAD)
 191 '
 192
 193 test_expect_success 'preserve merges with -p' '
 194         git checkout -b to-be-preserved master^ &&
 195         : > unrelated-file &&
 196         git add unrelated-file &&
 197         test_tick &&
 198         git commit -m "unrelated" &&
 199         git checkout -b to-be-rebased master &&
 200         echo B > file1 &&
 201         test_tick &&
 202         git commit -m J file1 &&
 203         test_tick &&
 204         git merge to-be-preserved &&
 205         echo C > file1 &&
 206         test_tick &&
 207         git commit -m K file1 &&
 208         test_tick &&
 209         git rebase -i -p --onto branch1 master &&
 210         test $(git rev-parse HEAD^^2) = $(git rev-parse to-be-preserved) &&
 211         test $(git rev-parse HEAD~3) = $(git rev-parse branch1) &&
 212         test $(git show HEAD:file1) = C &&
 213         test $(git show HEAD~2:file1) = B
 214 '
 215
 216 test_expect_success '--continue tries to commit' '
 217         test_tick &&
 218         ! git rebase -i --onto new-branch1 HEAD^ &&
 219         echo resolved > file1 &&
 220         git add file1 &&
 221         FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 222         test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
 223         git show HEAD | grep chouette
 224 '
 225
 226 test_expect_success 'verbose flag is heeded, even after --continue' '
 227         git reset --hard HEAD@{1} &&
 228         test_tick &&
 229         ! git rebase -v -i --onto new-branch1 HEAD^ &&
 230         echo resolved > file1 &&
 231         git add file1 &&
 232         git rebase --continue > output &&
 233         grep "^ file1 |    2 +-$" output
 234 '
 235
 236 test_expect_success 'multi-squash only fires up editor once' '
 237         base=$(git rev-parse HEAD~4) &&
 238         FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
 239                 git rebase -i $base &&
 240         test $base = $(git rev-parse HEAD^) &&
 241         test 1 = $(git show | grep ONCE | wc -l)
 242 '
 243
 244 test_expect_success 'squash works as expected' '
 245         for n in one two three four
 246         do
 247                 echo $n >> file$n &&
 248                 git add file$n &&
 249                 git commit -m $n
 250         done &&
 251         one=$(git rev-parse HEAD~3) &&
 252         FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
 253         test $one = $(git rev-parse HEAD~2)
 254 '
 255
 256 test_expect_success 'interrupted squash works as expected' '
 257         for n in one two three four
 258         do
 259                 echo $n >> conflict &&
 260                 git add conflict &&
 261                 git commit -m $n
 262         done &&
 263         one=$(git rev-parse HEAD~3) &&
 264         ! FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
 265         (echo one; echo two; echo four) > conflict &&
 266         git add conflict &&
 267         ! git rebase --continue &&
 268         echo resolved > conflict &&
 269         git add conflict &&
 270         git rebase --continue &&
 271         test $one = $(git rev-parse HEAD~2)
 272 '
 273
 274 test_expect_success 'interrupted squash works as expected (case 2)' '
 275         for n in one two three four
 276         do
 277                 echo $n >> conflict &&
 278                 git add conflict &&
 279                 git commit -m $n
 280         done &&
 281         one=$(git rev-parse HEAD~3) &&
 282         ! FAKE_LINES="3 squash 1 2" git rebase -i HEAD~3 &&
 283         (echo one; echo four) > conflict &&
 284         git add conflict &&
 285         ! git rebase --continue &&
 286         (echo one; echo two; echo four) > conflict &&
 287         git add conflict &&
 288         ! git rebase --continue &&
 289         echo resolved > conflict &&
 290         git add conflict &&
 291         git rebase --continue &&
 292         test $one = $(git rev-parse HEAD~2)
 293 '
 294
 295 test_expect_success 'ignore patch if in upstream' '
 296         HEAD=$(git rev-parse HEAD) &&
 297         git checkout -b has-cherry-picked HEAD^ &&
 298         echo unrelated > file7 &&
 299         git add file7 &&
 300         test_tick &&
 301         git commit -m "unrelated change" &&
 302         git cherry-pick $HEAD &&
 303         EXPECT_COUNT=1 git rebase -i $HEAD &&
 304         test $HEAD = $(git rev-parse HEAD^)
 305 '
 306
 307 test_expect_success '--continue tries to commit, even for "edit"' '
 308         parent=$(git rev-parse HEAD^) &&
 309         test_tick &&
 310         FAKE_LINES="edit 1" git rebase -i HEAD^ &&
 311         echo edited > file7 &&
 312         git add file7 &&
 313         FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 314         test edited = $(git show HEAD:file7) &&
 315         git show HEAD | grep chouette &&
 316         test $parent = $(git rev-parse HEAD^)
 317 '
 318
 319 test_expect_success 'rebase a detached HEAD' '
 320         grandparent=$(git rev-parse HEAD~2) &&
 321         git checkout $(git rev-parse HEAD) &&
 322         test_tick &&
 323         FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 324         test $grandparent = $(git rev-parse HEAD~2)
 325 '
 326
 327 test_expect_success 'rebase a commit violating pre-commit' '
 328
 329         mkdir -p .git/hooks &&
 330         PRE_COMMIT=.git/hooks/pre-commit &&
 331         echo "#!/bin/sh" > $PRE_COMMIT &&
 332         echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
 333         chmod a+x $PRE_COMMIT &&
 334         echo "monde! " >> file1 &&
 335         test_tick &&
 336         ! git commit -m doesnt-verify file1 &&
 337         git commit -m doesnt-verify --no-verify file1 &&
 338         test_tick &&
 339         FAKE_LINES=2 git rebase -i HEAD~2
 340
 341 '
 342
 343 test_expect_success 'rebase with a file named HEAD in worktree' '
 344
 345         rm -fr .git/hooks &&
 346         git reset --hard &&
 347         git checkout -b branch3 A &&
 348
 349         (
 350                 GIT_AUTHOR_NAME="Squashed Away" &&
 351                 export GIT_AUTHOR_NAME &&
 352                 >HEAD &&
 353                 git add HEAD &&
 354                 git commit -m "Add head" &&
 355                 >BODY &&
 356                 git add BODY &&
 357                 git commit -m "Add body"
 358         ) &&
 359
 360         FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
 361         test "$(git show -s --pretty=format:%an)" = "Squashed Away"
 362
 363 '
 364
 365 test_done