merge: add a third-level recursive merge

tests/merge/trees/recursive.c

@@ -154,3 +154,49 @@ void test_merge_trees_recursive__three_norecursive(void)
 	git_index_free(index);
 }
 
+void test_merge_trees_recursive__four(void)
+{
+	git_index *index;
+	git_merge_options opts = GIT_MERGE_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "ffb36e513f5fdf8a6ba850a20142676a2ac4807d", 0, "asparagus.txt" },
+		{ 0100644, "68f6182f4c85d39e1309d97c7e456156dc9c0096", 0, "beef.txt" },
+		{ 0100644, "4b7c5650008b2e747fe1809eeb5a1dde0e80850a", 0, "bouilli.txt" },
+		{ 0100644, "c4e6cca3ec6ae0148ed231f97257df8c311e015f", 0, "gravy.txt" },
+		{ 0100644, "68af1fc7407fd9addf1701a87eb1c95c7494c598", 0, "oyster.txt" },
+		{ 0100644, "d55e5dc038c52f1a36548625bcb666cbc06db9e6", 0, "veal.txt" },
+	};
+
+	cl_git_pass(merge_commits_from_branches(&index, repo, "branchD-2", "branchD-1", &opts));
+
+	cl_assert(merge_test_index(index, merge_index_entries, 6));
+
+	git_index_free(index);
+}
+
+void test_merge_trees_recursive__four_norecursive(void)
+{
+	git_index *index;
+	git_merge_options opts = GIT_MERGE_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "ffb36e513f5fdf8a6ba850a20142676a2ac4807d", 0, "asparagus.txt" },
+		{ 0100644, "68f6182f4c85d39e1309d97c7e456156dc9c0096", 0, "beef.txt" },
+		{ 0100644, "4b7c5650008b2e747fe1809eeb5a1dde0e80850a", 0, "bouilli.txt" },
+		{ 0100644, "c4e6cca3ec6ae0148ed231f97257df8c311e015f", 0, "gravy.txt" },
+		{ 0100644, "68af1fc7407fd9addf1701a87eb1c95c7494c598", 0, "oyster.txt" },
+		{ 0100644, "898d12687fb35be271c27c795a6b32c8b51da79e", 1, "veal.txt" },
+		{ 0100644, "f1b44c04989a3a1c14b036cfadfa328d53a7bc5e", 2, "veal.txt" },
+		{ 0100644, "5e8747f5200fac0f945a07daf6163ca9cb1a8da9", 3, "veal.txt" },
+	};
+
+	opts.flags |= GIT_MERGE_NO_RECURSIVE;
+
+	cl_git_pass(merge_commits_from_branches(&index, repo, "branchD-2", "branchD-1", &opts));
+
+	cl_assert(merge_test_index(index, merge_index_entries, 8));
+
+	git_index_free(index);
+}
+