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-rwxr-xr-xt/t6424-merge-unrelated-index-changes.sh104
1 files changed, 99 insertions, 5 deletions
diff --git a/t/t6424-merge-unrelated-index-changes.sh b/t/t6424-merge-unrelated-index-changes.sh
index 5e3779e..7677c5f 100755
--- a/t/t6424-merge-unrelated-index-changes.sh
+++ b/t/t6424-merge-unrelated-index-changes.sh
@@ -71,7 +71,9 @@ test_expect_success 'ff update' '
git merge E^0 &&
test_must_fail git rev-parse HEAD:random_file &&
- test "$(git diff --name-only --cached E)" = "random_file"
+ test "$(git diff --name-only --cached E)" = "random_file" &&
+ test_path_is_file random_file &&
+ git rev-parse --verify :random_file
'
test_expect_success 'ff update, important file modified' '
@@ -83,6 +85,8 @@ test_expect_success 'ff update, important file modified' '
git add subdir/e &&
test_must_fail git merge E^0 &&
+ test_path_is_file subdir/e &&
+ git rev-parse --verify :subdir/e &&
test_path_is_missing .git/MERGE_HEAD
'
@@ -93,6 +97,8 @@ test_expect_success 'resolve, trivial' '
touch random_file && git add random_file &&
test_must_fail git merge -s resolve C^0 &&
+ test_path_is_file random_file &&
+ git rev-parse --verify :random_file &&
test_path_is_missing .git/MERGE_HEAD
'
@@ -103,6 +109,41 @@ test_expect_success 'resolve, non-trivial' '
touch random_file && git add random_file &&
test_must_fail git merge -s resolve D^0 &&
+ test_path_is_file random_file &&
+ git rev-parse --verify :random_file &&
+ test_path_is_missing .git/MERGE_HEAD
+'
+
+test_expect_success 'resolve, trivial, related file removed' '
+ git reset --hard &&
+ git checkout B^0 &&
+
+ git rm a &&
+ test_path_is_missing a &&
+
+ test_must_fail git merge -s resolve C^0 &&
+
+ test_path_is_missing a &&
+ test_path_is_missing .git/MERGE_HEAD
+'
+
+test_expect_success 'resolve, non-trivial, related file removed' '
+ git reset --hard &&
+ git checkout B^0 &&
+
+ git rm a &&
+ test_path_is_missing a &&
+
+ # We also ask for recursive in order to turn off the "allow_trivial"
+ # setting in builtin/merge.c, and ensure that resolve really does
+ # correctly fail the merge (I guess this also tests that recursive
+ # correctly fails the merge, but the main thing we are attempting
+ # to test here is resolve and are just using the side effect of
+ # adding recursive to ensure that resolve is actually tested rather
+ # than the trivial merge codepath)
+ test_must_fail git merge -s resolve -s recursive D^0 &&
+
+ test_path_is_missing a &&
test_path_is_missing .git/MERGE_HEAD
'
@@ -113,6 +154,8 @@ test_expect_success 'recursive' '
touch random_file && git add random_file &&
test_must_fail git merge -s recursive C^0 &&
+ test_path_is_file random_file &&
+ git rev-parse --verify :random_file &&
test_path_is_missing .git/MERGE_HEAD
'
@@ -132,9 +175,10 @@ test_expect_success 'merge-recursive, when index==head but head!=HEAD' '
# Make index match B
git diff C B -- | git apply --cached &&
+ test_when_finished "git clean -fd" && # Do not leave untracked around
# Merge B & F, with B as "head"
git merge-recursive A -- B F > out &&
- test_i18ngrep "Already up to date" out
+ test_grep "Already up to date" out
'
test_expect_success 'recursive, when file has staged changes not matching HEAD nor what a merge would give' '
@@ -144,10 +188,13 @@ test_expect_success 'recursive, when file has staged changes not matching HEAD n
mkdir subdir &&
test_seq 1 10 >subdir/a &&
git add subdir/a &&
+ git rev-parse --verify :subdir/a >expect &&
# We have staged changes; merge should error out
test_must_fail git merge -s recursive E^0 2>err &&
- test_i18ngrep "changes to the following files would be overwritten" err
+ git rev-parse --verify :subdir/a >actual &&
+ test_cmp expect actual &&
+ test_grep "changes to the following files would be overwritten" err
'
test_expect_success 'recursive, when file has staged changes matching what a merge would give' '
@@ -157,10 +204,13 @@ test_expect_success 'recursive, when file has staged changes matching what a mer
mkdir subdir &&
test_seq 1 11 >subdir/a &&
git add subdir/a &&
+ git rev-parse --verify :subdir/a >expect &&
# We have staged changes; merge should error out
test_must_fail git merge -s recursive E^0 2>err &&
- test_i18ngrep "changes to the following files would be overwritten" err
+ git rev-parse --verify :subdir/a >actual &&
+ test_cmp expect actual &&
+ test_grep "changes to the following files would be overwritten" err
'
test_expect_success 'octopus, unrelated file touched' '
@@ -170,7 +220,9 @@ test_expect_success 'octopus, unrelated file touched' '
touch random_file && git add random_file &&
test_must_fail git merge C^0 D^0 &&
- test_path_is_missing .git/MERGE_HEAD
+ test_path_is_missing .git/MERGE_HEAD &&
+ git rev-parse --verify :random_file &&
+ test_path_exists random_file
'
test_expect_success 'octopus, related file removed' '
@@ -180,6 +232,8 @@ test_expect_success 'octopus, related file removed' '
git rm b &&
test_must_fail git merge C^0 D^0 &&
+ test_path_is_missing b &&
+ test_must_fail git rev-parse --verify :b &&
test_path_is_missing .git/MERGE_HEAD
'
@@ -188,8 +242,12 @@ test_expect_success 'octopus, related file modified' '
git checkout B^0 &&
echo 12 >>a && git add a &&
+ git rev-parse --verify :a >expect &&
test_must_fail git merge C^0 D^0 &&
+ test_path_is_file a &&
+ git rev-parse --verify :a >actual &&
+ test_cmp expect actual &&
test_path_is_missing .git/MERGE_HEAD
'
@@ -200,6 +258,8 @@ test_expect_success 'ours' '
touch random_file && git add random_file &&
test_must_fail git merge -s ours C^0 &&
+ test_path_is_file random_file &&
+ git rev-parse --verify :random_file &&
test_path_is_missing .git/MERGE_HEAD
'
@@ -210,7 +270,41 @@ test_expect_success 'subtree' '
touch random_file && git add random_file &&
test_must_fail git merge -s subtree E^0 &&
+ test_path_is_file random_file &&
+ git rev-parse --verify :random_file &&
test_path_is_missing .git/MERGE_HEAD
'
+test_expect_success 'avoid failure due to stat-dirty files' '
+ git reset --hard &&
+ git checkout B^0 &&
+
+ # Make "a" be stat-dirty
+ test-tool chmtime =+1 a &&
+
+ # stat-dirty file should not prevent stash creation in builtin/merge.c
+ git merge -s resolve -s recursive D^0
+'
+
+test_expect_success 'with multiple strategies, recursive or ort failure do not early abort' '
+ git reset --hard &&
+ git checkout B^0 &&
+
+ test_seq 0 10 >a &&
+ git add a &&
+ git rev-parse :a >expect &&
+
+ sane_unset GIT_TEST_MERGE_ALGORITHM &&
+ test_must_fail git merge -s recursive -s ort -s octopus C^0 >output 2>&1 &&
+
+ grep "Trying merge strategy recursive..." output &&
+ grep "Trying merge strategy ort..." output &&
+ grep "Trying merge strategy octopus..." output &&
+ grep "No merge strategy handled the merge." output &&
+
+ # Changes to "a" should remain staged
+ git rev-parse :a >actual &&
+ test_cmp expect actual
+'
+
test_done