void test_merge_driver__shutdown_is_called(void)
{
test_driver_custom.initialized = 0;
test_driver_custom.shutdown = 0;
test_driver_wildcard.initialized = 0;
test_driver_wildcard.shutdown = 0;
/* run the merge with the custom driver */
set_gitattributes_to("custom");
merge_branch();
/* unregister the drivers, ensure their shutdown function is called */
test_drivers_unregister();
/* since the `custom` driver was used, it should have been initialized and
* shutdown, but the wildcard driver was not used at all and should not
* have been initialized or shutdown.
*/
cl_assert(test_driver_custom.initialized);
cl_assert(test_driver_custom.shutdown);
cl_assert(!test_driver_wildcard.initialized);
cl_assert(!test_driver_wildcard.shutdown);
test_drivers_register();
}
static int merge_differently_filtered_files(char *files[])
{
git_reference *head;
git_object *head_object;
int error;
cl_git_pass(git_repository_head(&head, repo));
cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT));
cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD, NULL));
/* Emulate checkout with a broken or misconfigured filter: modify some
* files on-disk and then update the index with the updated file size
* and time, as if some filter applied them. These files should not be
* treated as dirty since we created them.
*
* (Make sure to update the index stamp to defeat racy-git protections
* trying to sanity check the files in the index; those would rehash the
* files, showing them as dirty, the exact mechanism we're trying to avoid.)
*/
write_files(files);
hack_index(files);
cl_git_pass(git_index_write(repo_index));
error = merge_branch();
git_object_free(head_object);
git_reference_free(head);
return error;
}
void test_merge_driver__wildcard(void)
{
const char *expected = "This is the `foobar` driver.\n";
set_gitattributes_to("foobar");
merge_branch();
cl_assert_equal_file(expected, strlen(expected),
TEST_REPO_PATH "/applied.txt");
}
void test_merge_driver__honors_custom_mergedefault(void)
{
const char *expected = "This is the `custom` driver.\n";
cl_repo_set_string(repo, "merge.default", "custom");
merge_branch();
cl_assert_equal_file(expected, strlen(expected),
TEST_REPO_PATH "/applied.txt");
}
void test_merge_driver__honors_builtin_mergedefault(void)
{
const git_index_entry *ancestor, *ours, *theirs;
cl_repo_set_string(repo, "merge.default", "binary");
merge_branch();
cl_git_pass(git_index_conflict_get(&ancestor, &ours, &theirs,
repo_index, "automergeable.txt"));
}
void test_merge_driver__unset_forces_binary(void)
{
const git_index_entry *ancestor, *ours, *theirs;
/* `-merge` without specifying a driver indicates `binary` */
set_gitattributes_to(NULL);
cl_repo_set_string(repo, "merge.default", "custom");
merge_branch();
cl_git_pass(git_index_conflict_get(&ancestor, &ours, &theirs,
repo_index, "automergeable.txt"));
}
void test_merge_driver__set_forces_text(void)
{
const git_index_entry *idx;
/* `merge` without specifying a driver indicates `text` */
set_gitattributes_to("");
cl_repo_set_string(repo, "merge.default", "custom");
merge_branch();
cl_assert((idx = git_index_get_bypath(repo_index, "automergeable.txt", 0)));
cl_assert_equal_oid(&automergeable_id, &idx->id);
}
void test_merge_workdir_dirty__identical_staged_files_allowed(void)
{
char **content;
size_t i;
set_core_autocrlf_to(repo, false);
for (i = 0, content = result_contents[i]; content[0]; content = result_contents[++i]) {
stage_content(content);
git_index_write(repo_index);
cl_git_pass(merge_branch());
}
}
void test_merge_driver__mergedefault_deferring_falls_back_to_text(void)
{
const git_index_entry *idx;
cl_git_pass(git_merge_driver_register("defer",
&test_driver_defer_apply.base));
cl_repo_set_string(repo, "merge.default", "defer");
merge_branch();
cl_assert((idx = git_index_get_bypath(repo_index, "automergeable.txt", 0)));
cl_assert_equal_oid(&automergeable_id, &idx->id);
git_merge_driver_unregister("defer");
}
void test_merge_driver__apply_can_conflict(void)
{
const git_index_entry *ancestor, *ours, *theirs;
cl_git_pass(git_merge_driver_register("conflict",
&test_driver_conflict_apply.base));
set_gitattributes_to("conflict");
merge_branch();
cl_git_pass(git_index_conflict_get(&ancestor, &ours, &theirs,
repo_index, "automergeable.txt"));
git_merge_driver_unregister("conflict");
}
void test_merge_driver__apply_can_defer(void)
{
const git_index_entry *idx;
cl_git_pass(git_merge_driver_register("defer",
&test_driver_defer_apply.base));
set_gitattributes_to("defer");
merge_branch();
cl_assert((idx = git_index_get_bypath(repo_index, "automergeable.txt", 0)));
cl_assert_equal_oid(&automergeable_id, &idx->id);
git_merge_driver_unregister("defer");
}
void test_merge_workdir_dirty__unstaged_deletes_maintained(void)
{
git_reference *head;
git_object *head_object;
cl_git_pass(git_repository_head(&head, repo));
cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT));
cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD, NULL));
cl_git_pass(p_unlink("merge-resolve/unchanged.txt"));
cl_git_pass(merge_branch());
git_object_free(head_object);
git_reference_free(head);
}
void test_merge_driver__not_configured_driver_falls_back(void)
{
const git_index_entry *idx;
test_drivers_unregister();
/* `merge` without specifying a driver indicates `text` */
set_gitattributes_to("notfound");
merge_branch();
cl_assert((idx = git_index_get_bypath(repo_index, "automergeable.txt", 0)));
cl_assert_equal_oid(&automergeable_id, &idx->id);
test_drivers_register();
}
static int merge_dirty_files(char *dirty_files[])
{
git_reference *head;
git_object *head_object;
int error;
cl_git_pass(git_repository_head(&head, repo));
cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT));
cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD, NULL));
write_files(dirty_files);
error = merge_branch();
git_object_free(head_object);
git_reference_free(head);
return error;
}
static int merge_staged_files(char *staged_files[])
{
stage_random_files(staged_files);
return merge_branch();
}
