Fix reset for staged deletes

src/reset.c

@@ -60,13 +60,18 @@ int git_reset_default(
 	for (i = 0, max_i = git_diff_num_deltas(diff); i < max_i; ++i) {
 		const git_diff_delta *delta = git_diff_get_delta(diff, i);
 
-		if ((error = git_index_conflict_remove(index, delta->old_file.path)) < 0)
-			goto cleanup;
-
 		assert(delta->status == GIT_DELTA_ADDED ||
 			delta->status == GIT_DELTA_MODIFIED ||
 			delta->status == GIT_DELTA_DELETED);
 
+		error = git_index_conflict_remove(index, delta->old_file.path);
+		if (error < 0) {
+			if (delta->status == GIT_DELTA_ADDED && error == GIT_ENOTFOUND)
+				giterr_clear();
+			else
+				goto cleanup;
+		}
+
 		if (delta->status == GIT_DELTA_DELETED) {
 			if ((error = git_index_remove(index, delta->old_file.path, 0)) < 0)
 				goto cleanup;

tests/reset/default.c

@@ -21,7 +21,6 @@ static void initialize(const char *repo_name)
 
 void test_reset_default__initialize(void)
 {
-	initialize("status");
 }
 
 void test_reset_default__cleanup(void)
@@ -67,6 +66,8 @@ void test_reset_default__resetting_filepaths_against_a_null_target_removes_them_
 {
 	char *paths[] = { "staged_changes", "staged_new_file" };
 
+	initialize("status");
+
 	_pathspecs.strings = paths;
 	_pathspecs.count = 2;
 
@@ -102,6 +103,8 @@ void test_reset_default__resetting_filepaths_replaces_their_corresponding_index_
 	char *after_shas[] = { "32504b727382542f9f089e24fddac5e78533e96c",
 		"061d42a44cacde5726057b67558821d95db96f19" };
 
+	initialize("status");
+
 	_pathspecs.strings = paths;
 	_pathspecs.count = 2;
 	before.strings = before_shas;
@@ -139,7 +142,6 @@ void test_reset_default__resetting_filepaths_clears_previous_conflicts(void)
 	char *paths[] = { "conflicts-one.txt" };
 	char *after_shas[] = { "1f85ca51b8e0aac893a621b61a9c2661d6aa6d81" };
 
-	test_reset_default__cleanup();
 	initialize("mergedrepo");
 
 	_pathspecs.strings = paths;
@@ -168,6 +170,8 @@ void test_reset_default__resetting_unknown_filepaths_does_not_fail(void)
 {
 	char *paths[] = { "I_am_not_there.txt", "me_neither.txt" };
 
+	initialize("status");
+
 	_pathspecs.strings = paths;
 	_pathspecs.count = 2;
 
@@ -178,3 +182,34 @@ void test_reset_default__resetting_unknown_filepaths_does_not_fail(void)
 
 	assert_content_in_index(&_pathspecs, false, NULL);
 }
+
+void test_reset_default__staged_rename_reset_delete(void)
+{
+	git_index *idx;
+	git_index_entry entry;
+	const git_index_entry *existing;
+	char *paths[] = { "new.txt" };
+
+	initialize("testrepo2");
+
+	cl_git_pass(git_repository_index(&idx, _repo));
+
+	existing = git_index_get_bypath(idx, "new.txt", 0);
+	cl_assert(existing);
+	memcpy(&entry, existing, sizeof(entry));
+
+	cl_git_pass(git_index_remove_bypath(idx, "new.txt"));
+
+	entry.path = "renamed.txt";
+	cl_git_pass(git_index_add(idx, &entry));
+
+	_pathspecs.strings = paths;
+	_pathspecs.count = 1;
+
+	assert_content_in_index(&_pathspecs, false, NULL);
+
+	cl_git_pass(git_revparse_single(&_target, _repo, "HEAD"));
+	cl_git_pass(git_reset_default(_repo, _target, &_pathspecs));
+
+	assert_content_in_index(&_pathspecs, true, NULL);
+}