Added cherry pick tests

92 files changed, 631 insertions, 0 deletions

diff --git a/tests/cherrypick/bare.c b/tests/cherrypick/bare.c
new file mode 100644
index 000000000..7ac1054a1
--- /dev/null
+++ b/tests/cherrypick/bare.c
@@ -0,0 +1,106 @@
+#include "clar.h"
+#include "clar_libgit2.h"
+
+#include "buffer.h"
+#include "fileops.h"
+#include "git2/cherrypick.h"
+
+#include "../merge/merge_helpers.h"
+
+#define TEST_REPO_PATH "cherrypick"
+
+static git_repository *repo;
+
+void test_cherrypick_bare__initialize(void)
+{
+	repo = cl_git_sandbox_init(TEST_REPO_PATH);
+}
+
+void test_cherrypick_bare__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_cherrypick_bare__automerge(void)
+{
+	git_commit *head = NULL, *commit = NULL;
+	git_index *index = NULL;
+	git_oid head_oid, cherry_oid;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "38c05a857e831a7e759d83778bfc85d003e21c45", 0, "file1.txt" },
+		{ 0100644, "a661b5dec1004e2c62654ded3762370c27cf266b", 0, "file2.txt" },
+		{ 0100644, "df6b290e0bd6a89b01d69f66687e8abf385283ca", 0, "file3.txt" },
+	};
+
+	git_oid_fromstr(&head_oid, "d3d77487660ee3c0194ee01dc5eaf478782b1c7e");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+
+	git_oid_fromstr(&cherry_oid, "cfc4f0999a8367568e049af4f72e452d40828a15");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+
+	cl_git_pass(git_cherry_pick_commit(&index, repo, commit, head, 0, NULL));
+	cl_assert(merge_test_index(index, merge_index_entries, 3));
+
+	git_index_free(index);
+	git_commit_free(head);
+	git_commit_free(commit);
+}
+
+void test_cherrypick_bare__conflicts(void)
+{
+	git_commit *head = NULL, *commit = NULL;
+	git_index *index = NULL;
+	git_oid head_oid, cherry_oid;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "242e7977ba73637822ffb265b46004b9b0e5153b", 0, "file1.txt" },
+		{ 0100644, "a58ca3fee5eb68b11adc2703e5843f968c9dad1e", 1, "file2.txt" },
+		{ 0100644, "bd6ffc8c6c41f0f85ff9e3d61c9479516bac0024", 2, "file2.txt" },
+		{ 0100644, "563f6473a3858f99b80e5f93c660512ed38e1e6f", 3, "file2.txt" },
+		{ 0100644, "28d9eb4208074ad1cc84e71ccc908b34573f05d2", 1, "file3.txt" },
+		{ 0100644, "1124c2c1ae07b26fded662d6c3f3631d9dc16f88", 2, "file3.txt" },
+		{ 0100644, "e233b9ed408a95e9d4b65fec7fc34943a556deb2", 3, "file3.txt" },
+	};
+
+	git_oid_fromstr(&head_oid, "bafbf6912c09505ac60575cd43d3f2aba3bd84d8");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+
+	git_oid_fromstr(&cherry_oid, "e9b63f3655b2ad80c0ff587389b5a9589a3a7110");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+
+	cl_git_pass(git_cherry_pick_commit(&index, repo, commit, head, 0, NULL));
+	cl_assert(merge_test_index(index, merge_index_entries, 7));
+
+	git_index_free(index);
+	git_commit_free(head);
+	git_commit_free(commit);
+}
+
+void test_cherrypick_bare__orphan(void)
+{
+	git_commit *head = NULL, *commit = NULL;
+	git_index *index = NULL;
+	git_oid head_oid, cherry_oid;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "38c05a857e831a7e759d83778bfc85d003e21c45", 0, "file1.txt" },
+		{ 0100644, "a661b5dec1004e2c62654ded3762370c27cf266b", 0, "file2.txt" },
+		{ 0100644, "85a4a1d791973644f24c72f5e89420d3064cc452", 0, "file3.txt" },
+		{ 0100644, "9ccb9bf50c011fd58dcbaa65df917bf79539717f", 0, "orphan.txt" },
+	};
+
+	git_oid_fromstr(&head_oid, "d3d77487660ee3c0194ee01dc5eaf478782b1c7e");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+
+	git_oid_fromstr(&cherry_oid, "74f06b5bfec6d33d7264f73606b57a7c0b963819");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+
+	cl_git_pass(git_cherry_pick_commit(&index, repo, commit, head, 0, NULL));
+	cl_assert(merge_test_index(index, merge_index_entries, 4));
+
+	git_index_free(index);
+	git_commit_free(head);
+	git_commit_free(commit);
+}
+
diff --git a/tests/cherrypick/workdir.c b/tests/cherrypick/workdir.c
new file mode 100644
index 000000000..581a5f997
--- /dev/null
+++ b/tests/cherrypick/workdir.c
@@ -0,0 +1,429 @@
+#include "clar.h"
+#include "clar_libgit2.h"
+
+#include "buffer.h"
+#include "fileops.h"
+#include "git2/cherrypick.h"
+
+#include "../merge/merge_helpers.h"
+
+#define TEST_REPO_PATH "cherrypick"
+
+static git_repository *repo;
+static git_index *repo_index;
+
+// Fixture setup and teardown
+void test_cherrypick_workdir__initialize(void)
+{
+	repo = cl_git_sandbox_init(TEST_REPO_PATH);
+	git_repository_index(&repo_index, repo);
+}
+
+void test_cherrypick_workdir__cleanup(void)
+{
+	git_index_free(repo_index);
+	cl_git_sandbox_cleanup();
+}
+
+/* git reset --hard d3d77487660ee3c0194ee01dc5eaf478782b1c7e
+ * git cherry-pick cfc4f0999a8367568e049af4f72e452d40828a15
+ * git cherry-pick 964ea3da044d9083181a88ba6701de9e35778bf4
+ * git cherry-pick a43a050c588d4e92f11a6b139680923e9728477d
+ */
+void test_cherrypick_workdir__automerge(void)
+{
+	git_oid head_oid;
+	git_signature *signature = NULL;
+	size_t i;
+
+	const char *cherry_pick_oids[] = {
+		"cfc4f0999a8367568e049af4f72e452d40828a15",
+		"964ea3da044d9083181a88ba6701de9e35778bf4",
+		"a43a050c588d4e92f11a6b139680923e9728477d",
+	};
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "38c05a857e831a7e759d83778bfc85d003e21c45", 0, "file1.txt" },
+		{ 0100644, "a661b5dec1004e2c62654ded3762370c27cf266b", 0, "file2.txt" },
+		{ 0100644, "df6b290e0bd6a89b01d69f66687e8abf385283ca", 0, "file3.txt" },
+
+		{ 0100644, "38c05a857e831a7e759d83778bfc85d003e21c45", 0, "file1.txt" },
+		{ 0100644, "bd8fc3c59fb52d3c8b5907ace7defa5803f82419", 0, "file2.txt" },
+		{ 0100644, "df6b290e0bd6a89b01d69f66687e8abf385283ca", 0, "file3.txt" },
+
+		{ 0100644, "f06427bee380364bc7e0cb26a9245158e4726ce0", 0, "file1.txt" },
+		{ 0100644, "bd8fc3c59fb52d3c8b5907ace7defa5803f82419", 0, "file2.txt" },
+		{ 0100644, "df6b290e0bd6a89b01d69f66687e8abf385283ca", 0, "file3.txt" },
+	};
+
+	cl_git_pass(git_signature_new(&signature, "Picker", "picker@example.org", time(NULL), 0));
+
+	git_oid_fromstr(&head_oid, "d3d77487660ee3c0194ee01dc5eaf478782b1c7e");
+
+	for (i = 0; i < 3; ++i) {
+		git_commit *head = NULL, *commit = NULL;
+		git_oid cherry_oid, cherry_picked_oid, cherry_picked_tree_oid;
+		git_tree *cherry_picked_tree = NULL;
+
+		cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+		cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+		git_oid_fromstr(&cherry_oid, cherry_pick_oids[i]);
+		cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+		cl_git_pass(git_cherry_pick(repo, commit, NULL));
+
+		cl_assert(git_path_exists(TEST_REPO_PATH "/.git/CHERRY_PICK_HEAD"));
+		cl_assert(git_path_exists(TEST_REPO_PATH "/.git/MERGE_MSG"));
+
+		cl_git_pass(git_index_write_tree(&cherry_picked_tree_oid, repo_index));
+		cl_git_pass(git_tree_lookup(&cherry_picked_tree, repo, &cherry_picked_tree_oid));
+		cl_git_pass(git_commit_create(&cherry_picked_oid, repo, "HEAD", signature, signature, NULL,
+			"Cherry picked!", cherry_picked_tree, 1, (const git_commit **)&head));
+
+		cl_assert(merge_test_index(repo_index, merge_index_entries + i * 3, 3));
+
+		git_oid_cpy(&head_oid, &cherry_picked_oid);
+
+		git_tree_free(cherry_picked_tree);
+		git_commit_free(head);
+		git_commit_free(commit);
+	}
+
+	git_signature_free(signature);
+}
+
+/* git reset --hard bafbf6912c09505ac60575cd43d3f2aba3bd84d8
+ * git cherry-pick e9b63f3655b2ad80c0ff587389b5a9589a3a7110
+ */
+void test_cherrypick_workdir__conflicts(void)
+{
+	git_commit *head = NULL, *commit = NULL;
+	git_oid head_oid, cherry_oid;
+	git_buf conflicting_buf = GIT_BUF_INIT, mergemsg_buf = GIT_BUF_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "242e7977ba73637822ffb265b46004b9b0e5153b", 0, "file1.txt" },
+		{ 0100644, "a58ca3fee5eb68b11adc2703e5843f968c9dad1e", 1, "file2.txt" },
+		{ 0100644, "bd6ffc8c6c41f0f85ff9e3d61c9479516bac0024", 2, "file2.txt" },
+		{ 0100644, "563f6473a3858f99b80e5f93c660512ed38e1e6f", 3, "file2.txt" },
+		{ 0100644, "28d9eb4208074ad1cc84e71ccc908b34573f05d2", 1, "file3.txt" },
+		{ 0100644, "1124c2c1ae07b26fded662d6c3f3631d9dc16f88", 2, "file3.txt" },
+		{ 0100644, "e233b9ed408a95e9d4b65fec7fc34943a556deb2", 3, "file3.txt" },
+	};
+
+	git_oid_fromstr(&head_oid, "bafbf6912c09505ac60575cd43d3f2aba3bd84d8");
+
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+	git_oid_fromstr(&cherry_oid, "e9b63f3655b2ad80c0ff587389b5a9589a3a7110");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+	cl_git_pass(git_cherry_pick(repo, commit, NULL));
+
+	cl_assert(git_path_exists(TEST_REPO_PATH "/.git/CHERRY_PICK_HEAD"));
+	cl_assert(git_path_exists(TEST_REPO_PATH "/.git/MERGE_MSG"));
+
+	cl_assert(merge_test_index(repo_index, merge_index_entries, 7));
+
+	cl_git_pass(git_futils_readbuffer(&mergemsg_buf,
+		TEST_REPO_PATH "/.git/MERGE_MSG"));
+	cl_assert(strcmp(git_buf_cstr(&mergemsg_buf),
+		"Change all files\n" \
+		"\n" \
+		"Conflicts:\n" \
+		"\tfile2.txt\n" \
+		"\tfile3.txt\n") == 0);
+
+	cl_git_pass(git_futils_readbuffer(&conflicting_buf,
+		TEST_REPO_PATH "/file2.txt"));
+
+	cl_assert(strcmp(git_buf_cstr(&conflicting_buf),
+		"!File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2!!\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"File 2\n" \
+		"<<<<<<< HEAD\n" \
+		"File 2\n" \
+		"=======\n" \
+		"File 2!\n" \
+		"File 2\n" \
+		"File 2!\n" \
+		">>>>>>> e9b63f3... Change all files\n") == 0);
+
+	cl_git_pass(git_futils_readbuffer(&conflicting_buf,
+		TEST_REPO_PATH "/file3.txt"));
+
+	cl_assert(strcmp(git_buf_cstr(&conflicting_buf),
+		"!File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3!!\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"File 3\n" \
+		"<<<<<<< HEAD\n" \
+		"=======\n" \
+		"File 3!\n" \
+		"File 3!\n" \
+		">>>>>>> e9b63f3... Change all files\n") == 0);
+
+	git_commit_free(commit);
+	git_commit_free(head);
+	git_buf_free(&mergemsg_buf);
+	git_buf_free(&conflicting_buf);
+}
+
+/* git reset --hard bafbf6912c09505ac60575cd43d3f2aba3bd84d8
+ * git cherry-pick -X ours e9b63f3655b2ad80c0ff587389b5a9589a3a7110
+ */
+void test_cherrypick_workdir__conflict_use_ours(void)
+{
+	git_commit *head = NULL, *commit = NULL;
+	git_oid head_oid, cherry_oid;
+	git_cherry_pick_options opts = GIT_CHERRY_PICK_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "242e7977ba73637822ffb265b46004b9b0e5153b", 0, "file1.txt" },
+		{ 0100644, "a58ca3fee5eb68b11adc2703e5843f968c9dad1e", 1, "file2.txt" },
+		{ 0100644, "bd6ffc8c6c41f0f85ff9e3d61c9479516bac0024", 2, "file2.txt" },
+		{ 0100644, "563f6473a3858f99b80e5f93c660512ed38e1e6f", 3, "file2.txt" },
+		{ 0100644, "28d9eb4208074ad1cc84e71ccc908b34573f05d2", 1, "file3.txt" },
+		{ 0100644, "1124c2c1ae07b26fded662d6c3f3631d9dc16f88", 2, "file3.txt" },
+		{ 0100644, "e233b9ed408a95e9d4b65fec7fc34943a556deb2", 3, "file3.txt" },
+	};
+
+	struct merge_index_entry merge_filesystem_entries[] = {
+		{ 0100644, "242e7977ba73637822ffb265b46004b9b0e5153b", 0, "file1.txt" },
+		{ 0100644, "bd6ffc8c6c41f0f85ff9e3d61c9479516bac0024", 0, "file2.txt" },
+		{ 0100644, "1124c2c1ae07b26fded662d6c3f3631d9dc16f88", 0, "file3.txt" },
+	};
+
+	/* leave the index in a conflicted state, but checkout "ours" to the workdir */
+	opts.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE | GIT_CHECKOUT_USE_OURS;
+
+	git_oid_fromstr(&head_oid, "bafbf6912c09505ac60575cd43d3f2aba3bd84d8");
+
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+	git_oid_fromstr(&cherry_oid, "e9b63f3655b2ad80c0ff587389b5a9589a3a7110");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+	cl_git_pass(git_cherry_pick(repo, commit, &opts));
+
+	cl_assert(merge_test_index(repo_index, merge_index_entries, 7));
+	cl_assert(merge_test_workdir(repo, merge_filesystem_entries, 3));
+
+	/* resolve conflicts in the index by taking "ours" */
+	opts.merge_opts.file_favor = GIT_MERGE_FILE_FAVOR_OURS;
+
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+	cl_git_pass(git_cherry_pick(repo, commit, &opts));
+
+	cl_assert(merge_test_index(repo_index, merge_filesystem_entries, 3));
+	cl_assert(merge_test_workdir(repo, merge_filesystem_entries, 3));
+
+	git_commit_free(commit);
+	git_commit_free(head);
+}
+
+/* git reset --hard cfc4f0999a8367568e049af4f72e452d40828a15
+ * git cherry-pick 2a26c7e88b285613b302ba76712bc998863f3cbc
+ */
+void test_cherrypick_workdir__rename(void)
+{
+	git_commit *head, *commit;
+	git_oid head_oid, cherry_oid;
+	git_cherry_pick_options opts = GIT_CHERRY_PICK_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "19c5c7207054604b69c84d08a7571ef9672bb5c2", 0, "file1.txt" },
+		{ 0100644, "a58ca3fee5eb68b11adc2703e5843f968c9dad1e", 0, "file2.txt" },
+		{ 0100644, "28d9eb4208074ad1cc84e71ccc908b34573f05d2", 0, "file3.txt.renamed" },
+	};
+
+	opts.merge_opts.flags |= GIT_MERGE_TREE_FIND_RENAMES;
+	opts.merge_opts.rename_threshold = 50;
+
+	git_oid_fromstr(&head_oid, "cfc4f0999a8367568e049af4f72e452d40828a15");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+	git_oid_fromstr(&cherry_oid, "2a26c7e88b285613b302ba76712bc998863f3cbc");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+	cl_git_pass(git_cherry_pick(repo, commit, &opts));
+
+	cl_assert(merge_test_index(repo_index, merge_index_entries, 3));
+
+	git_commit_free(commit);
+	git_commit_free(head);
+}
+
+/* git reset --hard 44cd2ed2052c9c68f9a439d208e9614dc2a55c70
+ * git cherry-pick 2a26c7e88b285613b302ba76712bc998863f3cbc
+ */
+void test_cherrypick_workdir__both_renamed(void)
+{
+	git_commit *head, *commit;
+	git_oid head_oid, cherry_oid;
+	git_buf mergemsg_buf = GIT_BUF_INIT;
+	git_cherry_pick_options opts = GIT_CHERRY_PICK_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "19c5c7207054604b69c84d08a7571ef9672bb5c2", 0, "file1.txt" },
+		{ 0100644, "a58ca3fee5eb68b11adc2703e5843f968c9dad1e", 0, "file2.txt" },
+		{ 0100644, "e233b9ed408a95e9d4b65fec7fc34943a556deb2", 1, "file3.txt" },
+		{ 0100644, "e233b9ed408a95e9d4b65fec7fc34943a556deb2", 3, "file3.txt.renamed" },
+		{ 0100644, "28d9eb4208074ad1cc84e71ccc908b34573f05d2", 2, "file3.txt.renamed_on_branch" },
+	};
+
+	opts.merge_opts.flags |= GIT_MERGE_TREE_FIND_RENAMES;
+	opts.merge_opts.rename_threshold = 50;
+
+	git_oid_fromstr(&head_oid, "44cd2ed2052c9c68f9a439d208e9614dc2a55c70");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+	git_oid_fromstr(&cherry_oid, "2a26c7e88b285613b302ba76712bc998863f3cbc");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+	cl_git_pass(git_cherry_pick(repo, commit, &opts));
+
+	cl_assert(merge_test_index(repo_index, merge_index_entries, 5));
+
+	cl_git_pass(git_futils_readbuffer(&mergemsg_buf,
+		TEST_REPO_PATH "/.git/MERGE_MSG"));
+	cl_assert(strcmp(git_buf_cstr(&mergemsg_buf),
+		"Renamed file3.txt -> file3.txt.renamed\n" \
+		"\n" \
+		"Conflicts:\n" \
+		"\tfile3.txt\n" \
+		"\tfile3.txt.renamed\n" \
+		"\tfile3.txt.renamed_on_branch\n") == 0);
+
+	git_buf_free(&mergemsg_buf);
+	git_commit_free(commit);
+	git_commit_free(head);
+}
+
+void test_cherrypick_workdir__nonmerge_fails_mainline_specified(void)
+{
+	git_reference *head;
+	git_commit *commit;
+	git_cherry_pick_options opts = GIT_CHERRY_PICK_OPTIONS_INIT;
+
+	cl_git_pass(git_repository_head(&head, repo));
+	cl_git_pass(git_reference_peel((git_object **)&commit, head, GIT_OBJ_COMMIT));
+
+	opts.mainline = 1;
+	cl_must_fail(git_cherry_pick(repo, commit, &opts));
+	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/CHERRY_PICK_HEAD"));
+	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/MERGE_MSG"));
+
+	git_reference_free(head);
+	git_commit_free(commit);
+}
+
+/* git reset --hard cfc4f0999a8367568e049af4f72e452d40828a15
+ * git cherry-pick abe4603bc7cd5b8167a267e0e2418fd2348f8cff
+ */
+void test_cherrypick_workdir__merge_fails_without_mainline_specified(void)
+{
+	git_commit *head, *commit;
+	git_oid head_oid, cherry_oid;
+
+	git_oid_fromstr(&head_oid, "cfc4f0999a8367568e049af4f72e452d40828a15");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+	git_oid_fromstr(&cherry_oid, "abe4603bc7cd5b8167a267e0e2418fd2348f8cff");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+
+	cl_must_fail(git_cherry_pick(repo, commit, NULL));
+	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/CHERRY_PICK_HEAD"));
+	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/MERGE_MSG"));
+
+	git_commit_free(commit);
+	git_commit_free(head);
+}
+
+/* git reset --hard cfc4f0999a8367568e049af4f72e452d40828a15
+ * git cherry-pick -m1 abe4603bc7cd5b8167a267e0e2418fd2348f8cff
+ */
+void test_cherrypick_workdir__merge_first_parent(void)
+{
+	git_commit *head, *commit;
+	git_oid head_oid, cherry_oid;
+	git_cherry_pick_options opts = GIT_CHERRY_PICK_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "f90f9dcbdac2cce5cc166346160e19cb693ef4e8", 0, "file1.txt" },
+		{ 0100644, "563f6473a3858f99b80e5f93c660512ed38e1e6f", 0, "file2.txt" },
+		{ 0100644, "e233b9ed408a95e9d4b65fec7fc34943a556deb2", 0, "file3.txt" },
+	};
+
+	opts.mainline = 1;
+
+	git_oid_fromstr(&head_oid, "cfc4f0999a8367568e049af4f72e452d40828a15");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+	git_oid_fromstr(&cherry_oid, "abe4603bc7cd5b8167a267e0e2418fd2348f8cff");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+
+	cl_git_pass(git_cherry_pick(repo, commit, &opts));
+
+	cl_assert(merge_test_index(repo_index, merge_index_entries, 3));
+
+	git_commit_free(commit);
+	git_commit_free(head);
+}
+
+/* git reset --hard cfc4f0999a8367568e049af4f72e452d40828a15
+ * git cherry-pick -m2 abe4603bc7cd5b8167a267e0e2418fd2348f8cff
+ */
+void test_cherrypick_workdir__merge_second_parent(void)
+{
+	git_commit *head, *commit;
+	git_oid head_oid, cherry_oid;
+	git_cherry_pick_options opts = GIT_CHERRY_PICK_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "487434cace79238a7091e2220611d4f20a765690", 0, "file1.txt" },
+		{ 0100644, "e5183bfd18e3a0a691fadde2f0d5610b73282d31", 0, "file2.txt" },
+		{ 0100644, "409a1bec58bf35348e8b62b72bb9c1f45cf5a587", 0, "file3.txt" },
+	};
+
+	opts.mainline = 2;
+
+	git_oid_fromstr(&head_oid, "cfc4f0999a8367568e049af4f72e452d40828a15");
+	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
+	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD, NULL, NULL));
+
+	git_oid_fromstr(&cherry_oid, "abe4603bc7cd5b8167a267e0e2418fd2348f8cff");
+	cl_git_pass(git_commit_lookup(&commit, repo, &cherry_oid));
+
+	cl_git_pass(git_cherry_pick(repo, commit, &opts));
+
+	cl_assert(merge_test_index(repo_index, merge_index_entries, 3));
+
+	git_commit_free(commit);
+	git_commit_free(head);
+}
+
diff --git a/tests/resources/cherrypick/.gitted/HEAD b/tests/resources/cherrypick/.gitted/HEAD
new file mode 100644
index 000000000..656ac0e0a
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/HEAD
@@ -0,0 +1 @@
+ref: refs/heads/automerge-branch
diff --git a/tests/resources/cherrypick/.gitted/config b/tests/resources/cherrypick/.gitted/config
new file mode 100644
index 000000000..6c9406b7d
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/config
@@ -0,0 +1,7 @@
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = false
+	logallrefupdates = true
+	ignorecase = true
+	precomposeunicode = true
diff --git a/tests/resources/cherrypick/.gitted/index b/tests/resources/cherrypick/.gitted/index
new file mode 100644
index 000000000..7291006c8
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/index
diff --git a/tests/resources/cherrypick/.gitted/info/exclude b/tests/resources/cherrypick/.gitted/info/exclude
new file mode 100644
index 000000000..a5196d1be
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/info/exclude
@@ -0,0 +1,6 @@
+# git ls-files --others --exclude-from=.git/info/exclude
+# Lines that start with '#' are comments.
+# For a project mostly in C, the following would be a good set of
+# exclude patterns (uncomment them if you want to use them):
+# *.[oa]
+# *~
diff --git a/tests/resources/cherrypick/.gitted/objects/01/a2b453c2647c71ccfefc285f2266d1f00b8253 b/tests/resources/cherrypick/.gitted/objects/01/a2b453c2647c71ccfefc285f2266d1f00b8253
new file mode 100644
index 000000000..736a7f57b
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/01/a2b453c2647c71ccfefc285f2266d1f00b8253
diff --git a/tests/resources/cherrypick/.gitted/objects/02/67838e09bbc5969bba035be2d27c8a6de694d8 b/tests/resources/cherrypick/.gitted/objects/02/67838e09bbc5969bba035be2d27c8a6de694d8
new file mode 100644
index 000000000..4eacb26f5
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/02/67838e09bbc5969bba035be2d27c8a6de694d8
diff --git a/tests/resources/cherrypick/.gitted/objects/06/3fc9f01e6e9ec2a8d8f749885e931875e50d37 b/tests/resources/cherrypick/.gitted/objects/06/3fc9f01e6e9ec2a8d8f749885e931875e50d37
new file mode 100644
index 000000000..48fa6efcd
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/06/3fc9f01e6e9ec2a8d8f749885e931875e50d37
diff --git a/tests/resources/cherrypick/.gitted/objects/08/9ac03f76058b5ba0b44bb268f317f9242481e9 b/tests/resources/cherrypick/.gitted/objects/08/9ac03f76058b5ba0b44bb268f317f9242481e9
new file mode 100644
index 000000000..06d1c694e
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/08/9ac03f76058b5ba0b44bb268f317f9242481e9
@@ -0,0 +1,3 @@
+x
��A
+�0@Q�9�����i"���`L��B�MӅ���ܾ��)籂#�բ
+^�CN�����b+�%�������b�R�U!��z�1Jh��)JO}딼��b���>�WI�\��qy���ϟ
祖Q�ҔO`��D�6
{t�f�m��_s�y��@�2��("O-
\ No newline at end of file
diff --git a/tests/resources/cherrypick/.gitted/objects/0d/447a6c2528b06616cde3b209a4b4ea3dcb8d65 b/tests/resources/cherrypick/.gitted/objects/0d/447a6c2528b06616cde3b209a4b4ea3dcb8d65
new file mode 100644
index 000000000..9a3ea3209
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/0d/447a6c2528b06616cde3b209a4b4ea3dcb8d65
diff --git a/tests/resources/cherrypick/.gitted/objects/11/24c2c1ae07b26fded662d6c3f3631d9dc16f88 b/tests/resources/cherrypick/.gitted/objects/11/24c2c1ae07b26fded662d6c3f3631d9dc16f88
new file mode 100644
index 000000000..62abc3c5b
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/11/24c2c1ae07b26fded662d6c3f3631d9dc16f88
diff --git a/tests/resources/cherrypick/.gitted/objects/12/905f4ea5b76f9d3fdcfe73e462201c06ae632a b/tests/resources/cherrypick/.gitted/objects/12/905f4ea5b76f9d3fdcfe73e462201c06ae632a
new file mode 100644
index 000000000..162844a70
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/12/905f4ea5b76f9d3fdcfe73e462201c06ae632a
diff --git a/tests/resources/cherrypick/.gitted/objects/19/c5c7207054604b69c84d08a7571ef9672bb5c2 b/tests/resources/cherrypick/.gitted/objects/19/c5c7207054604b69c84d08a7571ef9672bb5c2
new file mode 100644
index 000000000..d5cd6d3f2
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/19/c5c7207054604b69c84d08a7571ef9672bb5c2
diff --git a/tests/resources/cherrypick/.gitted/objects/1c/2116845780455ecf916538c1cc27c4222452af b/tests/resources/cherrypick/.gitted/objects/1c/2116845780455ecf916538c1cc27c4222452af
new file mode 100644
index 000000000..f9a841d4f
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/1c/2116845780455ecf916538c1cc27c4222452af
diff --git a/tests/resources/cherrypick/.gitted/objects/1c/c85eb4ff0a8438fde1b14274c6f87f891b36a0 b/tests/resources/cherrypick/.gitted/objects/1c/c85eb4ff0a8438fde1b14274c6f87f891b36a0
new file mode 100644
index 000000000..98b792b64
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/1c/c85eb4ff0a8438fde1b14274c6f87f891b36a0
diff --git a/tests/resources/cherrypick/.gitted/objects/1e/1cb7391d25dcd8daba88f1f627f3045982286c b/tests/resources/cherrypick/.gitted/objects/1e/1cb7391d25dcd8daba88f1f627f3045982286c
new file mode 100644
index 000000000..10a5be6fe
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/1e/1cb7391d25dcd8daba88f1f627f3045982286c
diff --git a/tests/resources/cherrypick/.gitted/objects/20/fc1a4c9d994021f43d33ab75e4252e27ca661d b/tests/resources/cherrypick/.gitted/objects/20/fc1a4c9d994021f43d33ab75e4252e27ca661d
new file mode 100644
index 000000000..c8b26cd01
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/20/fc1a4c9d994021f43d33ab75e4252e27ca661d
diff --git a/tests/resources/cherrypick/.gitted/objects/28/d9eb4208074ad1cc84e71ccc908b34573f05d2 b/tests/resources/cherrypick/.gitted/objects/28/d9eb4208074ad1cc84e71ccc908b34573f05d2
new file mode 100644
index 000000000..80363b016
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/28/d9eb4208074ad1cc84e71ccc908b34573f05d2
diff --git a/tests/resources/cherrypick/.gitted/objects/2a/26c7e88b285613b302ba76712bc998863f3cbc b/tests/resources/cherrypick/.gitted/objects/2a/26c7e88b285613b302ba76712bc998863f3cbc
new file mode 100644
index 000000000..283113999
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/2a/26c7e88b285613b302ba76712bc998863f3cbc
@@ -0,0 +1 @@
+x
��Mj�0���)f_j����]���`$��*N�1���C=@��{��^YZ�lLOҙ������Uz�ub����/��X1��"iu��W
N9��b�҄��Z�S�&r4�mrY:�Q�o��+�6���{���/{?��g�Ҏ`\��k-<k����>U�_u�+5��Ο��x9��a?���7�W�
\ No newline at end of file
diff --git a/tests/resources/cherrypick/.gitted/objects/2a/c3b376093de405b0a951bff578655b1c2b7fa1 b/tests/resources/cherrypick/.gitted/objects/2a/c3b376093de405b0a951bff578655b1c2b7fa1
new file mode 100644
index 000000000..a3294d764
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/2a/c3b376093de405b0a951bff578655b1c2b7fa1
@@ -0,0 +1 @@
+x
���J�0E]�+f����I�
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\ No newline at end of file
diff --git a/tests/resources/cherrypick/.gitted/objects/2c/acbcaabf785f1ac231e8519849d4ad38692f2c b/tests/resources/cherrypick/.gitted/objects/2c/acbcaabf785f1ac231e8519849d4ad38692f2c
new file mode 100644
index 000000000..74b48dd6b
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/2c/acbcaabf785f1ac231e8519849d4ad38692f2c
diff --git a/tests/resources/cherrypick/.gitted/objects/35/cb210149022c7379b0a67b0dec13cc628ff87d b/tests/resources/cherrypick/.gitted/objects/35/cb210149022c7379b0a67b0dec13cc628ff87d
new file mode 100644
index 000000000..c0466f46a
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/35/cb210149022c7379b0a67b0dec13cc628ff87d
diff --git a/tests/resources/cherrypick/.gitted/objects/38/c05a857e831a7e759d83778bfc85d003e21c45 b/tests/resources/cherrypick/.gitted/objects/38/c05a857e831a7e759d83778bfc85d003e21c45
new file mode 100644
index 000000000..d4f1cf8ac
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/38/c05a857e831a7e759d83778bfc85d003e21c45
diff --git a/tests/resources/cherrypick/.gitted/objects/3f/9eed8946df9e2c737d3b8dc0b8e78959aacd92 b/tests/resources/cherrypick/.gitted/objects/3f/9eed8946df9e2c737d3b8dc0b8e78959aacd92
new file mode 100644
index 000000000..8c4d6d94f
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/3f/9eed8946df9e2c737d3b8dc0b8e78959aacd92
@@ -0,0 +1,5 @@
+x
��Mj�0���)fj��H����]��dԸDq#��޾
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+����h��n���
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\ No newline at end of file
diff --git a/tests/resources/cherrypick/.gitted/objects/40/9a1bec58bf35348e8b62b72bb9c1f45cf5a587 b/tests/resources/cherrypick/.gitted/objects/40/9a1bec58bf35348e8b62b72bb9c1f45cf5a587
new file mode 100644
index 000000000..60d5dca4a
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/40/9a1bec58bf35348e8b62b72bb9c1f45cf5a587
diff --git a/tests/resources/cherrypick/.gitted/objects/44/cd2ed2052c9c68f9a439d208e9614dc2a55c70 b/tests/resources/cherrypick/.gitted/objects/44/cd2ed2052c9c68f9a439d208e9614dc2a55c70
new file mode 100644
index 000000000..8697c4e66
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/44/cd2ed2052c9c68f9a439d208e9614dc2a55c70
@@ -0,0 +1 @@
+x
���N�0C9�+推��$M$��đX�&�i!M%�{��	��gɲ�Z��
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\ No newline at end of file
diff --git a/tests/resources/cherrypick/.gitted/objects/48/7434cace79238a7091e2220611d4f20a765690 b/tests/resources/cherrypick/.gitted/objects/48/7434cace79238a7091e2220611d4f20a765690
new file mode 100644
index 000000000..a1fa599e1
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/48/7434cace79238a7091e2220611d4f20a765690
diff --git a/tests/resources/cherrypick/.gitted/objects/49/20ad2f17162dcc8823ad491444dcb87f5899c9 b/tests/resources/cherrypick/.gitted/objects/49/20ad2f17162dcc8823ad491444dcb87f5899c9
new file mode 100644
index 000000000..bf96fccad
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/49/20ad2f17162dcc8823ad491444dcb87f5899c9
diff --git a/tests/resources/cherrypick/.gitted/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904 b/tests/resources/cherrypick/.gitted/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904
new file mode 100644
index 000000000..adf64119a
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904
diff --git a/tests/resources/cherrypick/.gitted/objects/4c/532774cc1fea37f6efc2256763a64d38c8cdde b/tests/resources/cherrypick/.gitted/objects/4c/532774cc1fea37f6efc2256763a64d38c8cdde
new file mode 100644
index 000000000..2e56d7403
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/4c/532774cc1fea37f6efc2256763a64d38c8cdde
diff --git a/tests/resources/cherrypick/.gitted/objects/51/145af30d411a50195b66517d825e69bf57ed22 b/tests/resources/cherrypick/.gitted/objects/51/145af30d411a50195b66517d825e69bf57ed22
new file mode 100644
index 000000000..3e01376bd
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/51/145af30d411a50195b66517d825e69bf57ed22
diff --git a/tests/resources/cherrypick/.gitted/objects/54/61de53ffadbf15be4dd6345997c15689573209 b/tests/resources/cherrypick/.gitted/objects/54/61de53ffadbf15be4dd6345997c15689573209
new file mode 100644
index 000000000..7d2b233a6
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/54/61de53ffadbf15be4dd6345997c15689573209
@@ -0,0 +1,4 @@
+x
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\ No newline at end of file
diff --git a/tests/resources/cherrypick/.gitted/objects/54/784f10955e92ab27e4fa832e40cb2baf1edbdc b/tests/resources/cherrypick/.gitted/objects/54/784f10955e92ab27e4fa832e40cb2baf1edbdc
new file mode 100644
index 000000000..2a5bcec27
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/54/784f10955e92ab27e4fa832e40cb2baf1edbdc
diff --git a/tests/resources/cherrypick/.gitted/objects/56/3f6473a3858f99b80e5f93c660512ed38e1e6f b/tests/resources/cherrypick/.gitted/objects/56/3f6473a3858f99b80e5f93c660512ed38e1e6f
new file mode 100644
index 000000000..8847ed689
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/56/3f6473a3858f99b80e5f93c660512ed38e1e6f
diff --git a/tests/resources/cherrypick/.gitted/objects/58/a957ef0061c1a8ef995c855dfab4f5da8d6617 b/tests/resources/cherrypick/.gitted/objects/58/a957ef0061c1a8ef995c855dfab4f5da8d6617
new file mode 100644
index 000000000..f161a1941
--- /dev/null
+++ b/tests/resources/cherrypick/.gitted/objects/58/a957ef0061c1a8ef995c855dfab4f5da8d6617
diff --git a/tests/resources/cherrypick/.gitted/objects/5d/c7e1f440ce74d5503a0dfbc6c30e091475f774 b/tests/resources/cherrypick/.gitted/objects/5d/c7e1f440ce74d5503a0dfbc6c30e091475f774
new file mode 100644
index 000000000..77deeaf0b
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diff --git a/tests/resources/cherrypick/file1.txt b/tests/resources/cherrypick/file1.txt
new file mode 100644
index 000000000..38c05a857
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new file mode 100644
index 000000000..a661b5dec
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diff --git a/tests/resources/cherrypick/file3.txt b/tests/resources/cherrypick/file3.txt
new file mode 100644
index 000000000..85a4a1d79
--- /dev/null
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