Add additional testcases for D/F conflicts

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t6035-merge-dir-to-symlink.sh

@@ -48,7 +48,7 @@ test_expect_success 'setup for merge test' '
 	git tag baseline
 '
 
-test_expect_success 'do not lose a/b-2/c/d in merge (resolve)' '
+test_expect_success 'Handle D/F conflict, do not lose a/b-2/c/d in merge (resolve)' '
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s resolve master &&
@@ -56,7 +56,7 @@ test_expect_success 'do not lose a/b-2/c/d in merge (resolve)' '
 	test -f a/b-2/c/d
 '
 
-test_expect_failure 'do not lose a/b-2/c/d in merge (recursive)' '
+test_expect_failure 'Handle D/F conflict, do not lose a/b-2/c/d in merge (recursive)' '
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s recursive master &&
@@ -64,6 +64,54 @@ test_expect_failure 'do not lose a/b-2/c/d in merge (recursive)' '
 	test -f a/b-2/c/d
 '
 
+test_expect_success 'Handle F/D conflict, do not lose a/b-2/c/d in merge (resolve)' '
+	git reset --hard &&
+	git checkout master^0 &&
+	git merge -s resolve baseline^0 &&
+	test -h a/b &&
+	test -f a/b-2/c/d
+'
+
+test_expect_failure 'Handle F/D conflict, do not lose a/b-2/c/d in merge (recursive)' '
+	git reset --hard &&
+	git checkout master^0 &&
+	git merge -s recursive baseline^0 &&
+	test -h a/b &&
+	test -f a/b-2/c/d
+'
+
+test_expect_failure 'do not lose untracked in merge (resolve)' '
+	git reset --hard &&
+	git checkout baseline^0 &&
+	>a/b/c/e &&
+	test_must_fail git merge -s resolve master &&
+	test -f a/b/c/e &&
+	test -f a/b-2/c/d
+'
+
+test_expect_success 'do not lose untracked in merge (recursive)' '
+	git reset --hard &&
+	git checkout baseline^0 &&
+	>a/b/c/e &&
+	test_must_fail git merge -s recursive master &&
+	test -f a/b/c/e &&
+	test -f a/b-2/c/d
+'
+
+test_expect_success 'do not lose modifications in merge (resolve)' '
+	git reset --hard &&
+	git checkout baseline^0 &&
+	echo more content >>a/b/c/d &&
+	test_must_fail git merge -s resolve master
+'
+
+test_expect_success 'do not lose modifications in merge (recursive)' '
+	git reset --hard &&
+	git checkout baseline^0 &&
+	echo more content >>a/b/c/d &&
+	test_must_fail git merge -s recursive master
+'
+
 test_expect_success 'setup a merge where dir a/b-2 changed to symlink' '
 	git reset --hard &&
 	git checkout start^0 &&
@@ -74,7 +122,7 @@ test_expect_success 'setup a merge where dir a/b-2 changed to symlink' '
 	git tag test2
 '
 
-test_expect_success 'merge should not have conflicts (resolve)' '
+test_expect_success 'merge should not have D/F conflicts (resolve)' '
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s resolve test2 &&
@@ -82,7 +130,7 @@ test_expect_success 'merge should not have conflicts (resolve)' '
 	test -f a/b/c/d
 '
 
-test_expect_failure 'merge should not have conflicts (recursive)' '
+test_expect_failure 'merge should not have D/F conflicts (recursive)' '
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s recursive test2 &&
@@ -90,4 +138,12 @@ test_expect_failure 'merge should not have conflicts (recursive)' '
 	test -f a/b/c/d
 '
 
+test_expect_failure 'merge should not have F/D conflicts (recursive)' '
+	git reset --hard &&
+	git checkout -b foo test2 &&
+	git merge -s recursive baseline^0 &&
+	test -h a/b-2 &&
+	test -f a/b/c/d
+'
+
 test_done

t/t9350-fast-export.sh

@@ -376,4 +376,28 @@ test_expect_success 'tree_tag-obj'    'git fast-export tree_tag-obj'
 test_expect_success 'tag-obj_tag'     'git fast-export tag-obj_tag'
 test_expect_success 'tag-obj_tag-obj' 'git fast-export tag-obj_tag-obj'
 
+test_expect_failure 'directory becomes symlink'        '
+	git init dirtosymlink &&
+	git init result &&
+	(
+		cd dirtosymlink &&
+		mkdir foo &&
+		mkdir bar &&
+		echo hello > foo/world &&
+		echo hello > bar/world &&
+		git add foo/world bar/world &&
+		git commit -q -mone &&
+		git rm -r foo &&
+		ln -s bar foo &&
+		git add foo &&
+		git commit -q -mtwo
+	) &&
+	(
+		cd dirtosymlink &&
+		git fast-export master -- foo |
+		(cd ../result && git fast-import --quiet)
+	) &&
+	(cd result && git show master:foo)
+'
+
 test_done