diff.c: emit_add_line() takes only the rest of the line

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 1c80148dd5b7b69d4e1d74df0c609a4eee92ee98..2cc8e7abe1b9244b2d6520cdbb0e0769e2a6d986 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -159,19 +159,19 @@ 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/.dotest-merge/patch &&
+       test_cmp expect .git/rebase-merge/patch &&
        test_cmp expect2 file1 &&
-       test "$(git-diff --name-status |
+       test "$(git diff --name-status |
                sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 &&
-       test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) &&
-       test 0 = $(grep -c "^[^#]" < .git/.dotest-merge/git-rebase-todo)
+       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/.dotest-merge
+       ! test -d .git/rebase-merge
 '
 
 test_expect_success 'retain authorship' '
@@ -202,6 +202,9 @@ test_expect_success 'retain authorship when squashing' '
 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)
 '
 
@@ -211,7 +214,7 @@ test_expect_success 'preserve merges with -p' '
        git add unrelated-file &&
        test_tick &&
        git commit -m "unrelated" &&
-       git checkout -b to-be-rebased master &&
+       git checkout -b another-branch master &&
        echo B > file1 &&
        test_tick &&
        git commit -m J file1 &&
@@ -220,12 +223,43 @@ test_expect_success 'preserve merges with -p' '
        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 &&
-       test $(git rev-parse HEAD^^2) = $(git rev-parse to-be-preserved) &&
-       test $(git rev-parse HEAD~3) = $(git rev-parse branch1) &&
-       test $(git show HEAD:file1) = C &&
-       test $(git show HEAD~2:file1) = B
+       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' '
@@ -339,6 +373,38 @@ test_expect_success '--continue tries to commit, even for "edit"' '
        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) &&
@@ -385,4 +451,15 @@ test_expect_success 'rebase with a file named HEAD in worktree' '
 
 '
 
+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_done