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#!/bin/sh
#
# Copyright (c) 2007 Johannes E. Schindelin
#
test_description='git rebase interactive
This test runs git rebase "interactively", by faking an edit, and verifies
that the result still makes sense.
'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-rebase.sh
set_fake_editor
# set up two branches like this:
#
# A - B - C - D - E
# \
# F - G - H
# \
# I
#
# where B, D and G touch the same file.
test_expect_success 'setup' '
: > file1 &&
git add file1 &&
test_tick &&
git commit -m A &&
git tag A &&
echo 1 > file1 &&
test_tick &&
git commit -m B file1 &&
: > file2 &&
git add file2 &&
test_tick &&
git commit -m C &&
echo 2 > file1 &&
test_tick &&
git commit -m D file1 &&
: > file3 &&
git add file3 &&
test_tick &&
git commit -m E &&
git checkout -b branch1 A &&
: > file4 &&
git add file4 &&
test_tick &&
git commit -m F &&
git tag F &&
echo 3 > file1 &&
test_tick &&
git commit -m G file1 &&
: > file5 &&
git add file5 &&
test_tick &&
git commit -m H &&
git checkout -b branch2 F &&
: > file6 &&
git add file6 &&
test_tick &&
git commit -m I &&
git tag I
'
test_expect_success 'no changes are a nop' '
git rebase -i F &&
test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
test $(git rev-parse I) = $(git rev-parse HEAD)
'
test_expect_success 'test the [branch] option' '
git checkout -b dead-end &&
git rm file6 &&
git commit -m "stop here" &&
git rebase -i F branch2 &&
test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
test $(git rev-parse I) = $(git rev-parse branch2) &&
test $(git rev-parse I) = $(git rev-parse HEAD)
'
test_expect_success 'test --onto <branch>' '
git checkout -b test-onto branch2 &&
git rebase -i --onto branch1 F &&
test "$(git symbolic-ref -q HEAD)" = "refs/heads/test-onto" &&
test $(git rev-parse HEAD^) = $(git rev-parse branch1) &&
test $(git rev-parse I) = $(git rev-parse branch2)
'
test_expect_success 'rebase on top of a non-conflicting commit' '
git checkout branch1 &&
git tag original-branch1 &&
git rebase -i branch2 &&
test file6 = $(git diff --name-only original-branch1) &&
test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
test $(git rev-parse I) = $(git rev-parse branch2) &&
test $(git rev-parse I) = $(git rev-parse HEAD~2)
'
test_expect_success 'reflog for the branch shows state before rebase' '
test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
'
test_expect_success 'exchange two commits' '
FAKE_LINES="2 1" git rebase -i HEAD~2 &&
test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
test G = $(git cat-file commit HEAD | sed -ne \$p)
'
cat > expect << EOF
diff --git a/file1 b/file1
index e69de29..00750ed 100644
--- a/file1
+++ b/file1
@@ -0,0 +1 @@
+3
EOF
cat > expect2 << EOF
<<<<<<< HEAD
2
=======
3
>>>>>>> b7ca976... G
EOF
test_expect_success 'stop on conflicting pick' '
git tag new-branch1 &&
test_must_fail git rebase -i master &&
test "$(git rev-parse HEAD~3)" = "$(git rev-parse master)" &&
test_cmp expect .git/rebase-merge/patch &&
test_cmp expect2 file1 &&
test "$(git diff --name-status |
sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 &&
test 4 = $(grep -v "^#" < .git/rebase-merge/done | wc -l) &&
test 0 = $(grep -c "^[^#]" < .git/rebase-merge/git-rebase-todo)
'
test_expect_success 'abort' '
git rebase --abort &&
test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
! test -d .git/rebase-merge
'
test_expect_success 'retain authorship' '
echo A > file7 &&
git add file7 &&
test_tick &&
GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
git tag twerp &&
git rebase -i --onto master HEAD^ &&
git show HEAD | grep "^Author: Twerp Snog"
'
test_expect_success 'squash' '
git reset --hard twerp &&
echo B > file7 &&
test_tick &&
GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
echo "******************************" &&
FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
test B = $(cat file7) &&
test $(git rev-parse HEAD^) = $(git rev-parse master)
'
test_expect_success 'retain authorship when squashing' '
git show HEAD | grep "^Author: Twerp Snog"
'
test_expect_success '-p handles "no changes" gracefully' '
HEAD=$(git rev-parse HEAD) &&
git rebase -i -p HEAD^ &&
git update-index --refresh &&
git diff-files --quiet &&
git diff-index --quiet --cached HEAD -- &&
test $HEAD = $(git rev-parse HEAD)
'
test_expect_success 'preserve merges with -p' '
git checkout -b to-be-preserved master^ &&
: > unrelated-file &&
git add unrelated-file &&
test_tick &&
git commit -m "unrelated" &&
git checkout -b another-branch master &&
echo B > file1 &&
test_tick &&
git commit -m J file1 &&
test_tick &&
git merge to-be-preserved &&
echo C > file1 &&
test_tick &&
git commit -m K file1 &&
echo D > file1 &&
test_tick &&
git commit -m L1 file1 &&
git checkout HEAD^ &&
echo 1 > unrelated-file &&
test_tick &&
git commit -m L2 unrelated-file &&
test_tick &&
git merge another-branch &&
echo E > file1 &&
test_tick &&
git commit -m M file1 &&
git checkout -b to-be-rebased &&
test_tick &&
git rebase -i -p --onto branch1 master &&
git update-index --refresh &&
git diff-files --quiet &&
git diff-index --quiet --cached HEAD -- &&
test $(git rev-parse HEAD~6) = $(git rev-parse branch1) &&
test $(git rev-parse HEAD~4^2) = $(git rev-parse to-be-preserved) &&
test $(git rev-parse HEAD^^2^) = $(git rev-parse HEAD^^^) &&
test $(git show HEAD~5:file1) = B &&
test $(git show HEAD~3:file1) = C &&
test $(git show HEAD:file1) = E &&
test $(git show HEAD:unrelated-file) = 1
'
test_expect_success 'edit ancestor with -p' '
FAKE_LINES="1 edit 2 3 4" git rebase -i -p HEAD~3 &&
echo 2 > unrelated-file &&
test_tick &&
git commit -m L2-modified --amend unrelated-file &&
git rebase --continue &&
git update-index --refresh &&
git diff-files --quiet &&
git diff-index --quiet --cached HEAD -- &&
test $(git show HEAD:unrelated-file) = 2
'
test_expect_success '--continue tries to commit' '
test_tick &&
test_must_fail git rebase -i --onto new-branch1 HEAD^ &&
echo resolved > file1 &&
git add file1 &&
FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
git show HEAD | grep chouette
'
test_expect_success 'verbose flag is heeded, even after --continue' '
git reset --hard HEAD@{1} &&
test_tick &&
test_must_fail git rebase -v -i --onto new-branch1 HEAD^ &&
echo resolved > file1 &&
git add file1 &&
git rebase --continue > output &&
grep "^ file1 | 2 +-$" output
'
test_expect_success 'multi-squash only fires up editor once' '
base=$(git rev-parse HEAD~4) &&
FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
git rebase -i $base &&
test $base = $(git rev-parse HEAD^) &&
test 1 = $(git show | grep ONCE | wc -l)
'
test_expect_success 'squash works as expected' '
for n in one two three four
do
echo $n >> file$n &&
git add file$n &&
git commit -m $n
done &&
one=$(git rev-parse HEAD~3) &&
FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
test $one = $(git rev-parse HEAD~2)
'
test_expect_success 'interrupted squash works as expected' '
for n in one two three four
do
echo $n >> conflict &&
git add conflict &&
git commit -m $n
done &&
one=$(git rev-parse HEAD~3) &&
(
FAKE_LINES="1 squash 3 2" &&
export FAKE_LINES &&
test_must_fail git rebase -i HEAD~3
) &&
(echo one; echo two; echo four) > conflict &&
git add conflict &&
test_must_fail git rebase --continue &&
echo resolved > conflict &&
git add conflict &&
git rebase --continue &&
test $one = $(git rev-parse HEAD~2)
'
test_expect_success 'interrupted squash works as expected (case 2)' '
for n in one two three four
do
echo $n >> conflict &&
git add conflict &&
git commit -m $n
done &&
one=$(git rev-parse HEAD~3) &&
(
FAKE_LINES="3 squash 1 2" &&
export FAKE_LINES &&
test_must_fail git rebase -i HEAD~3
) &&
(echo one; echo four) > conflict &&
git add conflict &&
test_must_fail git rebase --continue &&
(echo one; echo two; echo four) > conflict &&
git add conflict &&
test_must_fail git rebase --continue &&
echo resolved > conflict &&
git add conflict &&
git rebase --continue &&
test $one = $(git rev-parse HEAD~2)
'
test_expect_success 'ignore patch if in upstream' '
HEAD=$(git rev-parse HEAD) &&
git checkout -b has-cherry-picked HEAD^ &&
echo unrelated > file7 &&
git add file7 &&
test_tick &&
git commit -m "unrelated change" &&
git cherry-pick $HEAD &&
EXPECT_COUNT=1 git rebase -i $HEAD &&
test $HEAD = $(git rev-parse HEAD^)
'
test_expect_success '--continue tries to commit, even for "edit"' '
parent=$(git rev-parse HEAD^) &&
test_tick &&
FAKE_LINES="edit 1" git rebase -i HEAD^ &&
echo edited > file7 &&
git add file7 &&
FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
test edited = $(git show HEAD:file7) &&
git show HEAD | grep chouette &&
test $parent = $(git rev-parse HEAD^)
'
test_expect_success 'aborted --continue does not squash commits after "edit"' '
old=$(git rev-parse HEAD) &&
test_tick &&
FAKE_LINES="edit 1" git rebase -i HEAD^ &&
echo "edited again" > file7 &&
git add file7 &&
(
FAKE_COMMIT_MESSAGE=" " &&
export FAKE_COMMIT_MESSAGE &&
test_must_fail git rebase --continue
) &&
test $old = $(git rev-parse HEAD) &&
git rebase --abort
'
test_expect_success 'auto-amend only edited commits after "edit"' '
test_tick &&
FAKE_LINES="edit 1" git rebase -i HEAD^ &&
echo "edited again" > file7 &&
git add file7 &&
FAKE_COMMIT_MESSAGE="edited file7 again" git commit &&
echo "and again" > file7 &&
git add file7 &&
test_tick &&
(
FAKE_COMMIT_MESSAGE="and again" &&
export FAKE_COMMIT_MESSAGE &&
test_must_fail git rebase --continue
) &&
git rebase --abort
'
test_expect_success 'rebase a detached HEAD' '
grandparent=$(git rev-parse HEAD~2) &&
git checkout $(git rev-parse HEAD) &&
test_tick &&
FAKE_LINES="2 1" git rebase -i HEAD~2 &&
test $grandparent = $(git rev-parse HEAD~2)
'
test_expect_success 'rebase a commit violating pre-commit' '
mkdir -p .git/hooks &&
PRE_COMMIT=.git/hooks/pre-commit &&
echo "#!/bin/sh" > $PRE_COMMIT &&
echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
chmod a+x $PRE_COMMIT &&
echo "monde! " >> file1 &&
test_tick &&
test_must_fail git commit -m doesnt-verify file1 &&
git commit -m doesnt-verify --no-verify file1 &&
test_tick &&
FAKE_LINES=2 git rebase -i HEAD~2
'
test_expect_success 'rebase with a file named HEAD in worktree' '
rm -fr .git/hooks &&
git reset --hard &&
git checkout -b branch3 A &&
(
GIT_AUTHOR_NAME="Squashed Away" &&
export GIT_AUTHOR_NAME &&
>HEAD &&
git add HEAD &&
git commit -m "Add head" &&
>BODY &&
git add BODY &&
git commit -m "Add body"
) &&
FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
test "$(git show -s --pretty=format:%an)" = "Squashed Away"
'
test_expect_success 'do "noop" when there is nothing to cherry-pick' '
git checkout -b branch4 HEAD &&
GIT_EDITOR=: git commit --amend \
--author="Somebody else <somebody@else.com>"
test $(git rev-parse branch3) != $(git rev-parse branch4) &&
git rebase -i branch3 &&
test $(git rev-parse branch3) = $(git rev-parse branch4)
'
test_expect_success 'submodule rebase setup' '
git checkout A &&
mkdir sub &&
(
cd sub && git init && >elif &&
git add elif && git commit -m "submodule initial"
) &&
echo 1 >file1 &&
git add file1 sub
test_tick &&
git commit -m "One" &&
echo 2 >file1 &&
test_tick &&
git commit -a -m "Two" &&
(
cd sub && echo 3 >elif &&
git commit -a -m "submodule second"
) &&
test_tick &&
git commit -a -m "Three changes submodule"
'
test_expect_success 'submodule rebase -i' '
FAKE_LINES="1 squash 2 3" git rebase -i A
'
test_expect_success 'avoid unnecessary reset' '
git checkout master &&
test-chmtime =123456789 file3 &&
git update-index --refresh &&
HEAD=$(git rev-parse HEAD) &&
git rebase -i HEAD~4 &&
test $HEAD = $(git rev-parse HEAD) &&
MTIME=$(test-chmtime -v +0 file3 | sed 's/[^0-9].*$//') &&
test 123456789 = $MTIME
'
test_expect_success 'reword' '
git checkout -b reword-branch master &&
FAKE_LINES="1 2 3 reword 4" FAKE_COMMIT_MESSAGE="E changed" git rebase -i A &&
git show HEAD | grep "E changed" &&
test $(git rev-parse master) != $(git rev-parse HEAD) &&
test $(git rev-parse master^) = $(git rev-parse HEAD^) &&
FAKE_LINES="1 2 reword 3 4" FAKE_COMMIT_MESSAGE="D changed" git rebase -i A &&
git show HEAD^ | grep "D changed" &&
FAKE_LINES="reword 1 2 3 4" FAKE_COMMIT_MESSAGE="B changed" git rebase -i A &&
git show HEAD~3 | grep "B changed" &&
FAKE_LINES="1 reword 2 3 4" FAKE_COMMIT_MESSAGE="C changed" git rebase -i A &&
git show HEAD~2 | grep "C changed"
'
test_done