[libgit2.git] / tests / merge / workdir / dirty.c

#include "clar_libgit2.h"
#include "git2/merge.h"
#include "buffer.h"
#include "merge.h"
#include "index.h"
#include "../merge_helpers.h"
#include "posix.h"

#define TEST_REPO_PATH "merge-resolve"
#define MERGE_BRANCH_OID "7cb63eed597130ba4abb87b3e544b85021905520"

#define AUTOMERGEABLE_MERGED_FILE \
	"this file is changed in master\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is changed in branch\n"

#define CHANGED_IN_BRANCH_FILE \
	"changed in branch\n"

static git_repository *repo;
static git_index *repo_index;

static char *unaffected[][4] = {
	{ "added-in-master.txt", NULL },
	{ "changed-in-master.txt", NULL },
	{ "unchanged.txt", NULL },
	{ "added-in-master.txt", "changed-in-master.txt", NULL },
	{ "added-in-master.txt", "unchanged.txt", NULL },
	{ "changed-in-master.txt", "unchanged.txt", NULL },
	{ "added-in-master.txt", "changed-in-master.txt", "unchanged.txt", NULL },
	{ "new_file.txt", NULL },
	{ "new_file.txt", "unchanged.txt", NULL },
	{ NULL },
};

static char *affected[][5] = {
	{ "automergeable.txt", NULL },
	{ "changed-in-branch.txt", NULL },
	{ "conflicting.txt", NULL },
	{ "removed-in-branch.txt", NULL },
	{ "automergeable.txt", "changed-in-branch.txt", NULL },
	{ "automergeable.txt", "conflicting.txt", NULL },
	{ "automergeable.txt", "removed-in-branch.txt", NULL },
	{ "changed-in-branch.txt", "conflicting.txt", NULL },
	{ "changed-in-branch.txt", "removed-in-branch.txt", NULL },
	{ "conflicting.txt", "removed-in-branch.txt", NULL },
	{ "automergeable.txt", "changed-in-branch.txt", "conflicting.txt", NULL },
	{ "automergeable.txt", "changed-in-branch.txt", "removed-in-branch.txt", NULL },
	{ "automergeable.txt", "conflicting.txt", "removed-in-branch.txt", NULL },
	{ "changed-in-branch.txt", "conflicting.txt", "removed-in-branch.txt", NULL },
	{ "automergeable.txt", "changed-in-branch.txt", "conflicting.txt", "removed-in-branch.txt", NULL },
	{ NULL },
};

static char *result_contents[4][6] = {
	{ "automergeable.txt", AUTOMERGEABLE_MERGED_FILE, NULL, NULL },
	{ "changed-in-branch.txt", CHANGED_IN_BRANCH_FILE, NULL, NULL },
	{ "automergeable.txt", AUTOMERGEABLE_MERGED_FILE, "changed-in-branch.txt", CHANGED_IN_BRANCH_FILE, NULL, NULL },
	{ NULL }
};

void test_merge_workdir_dirty__initialize(void)
{
	repo = cl_git_sandbox_init(TEST_REPO_PATH);
	git_repository_index(&repo_index, repo);
}

void test_merge_workdir_dirty__cleanup(void)
{
	git_index_free(repo_index);
	cl_git_sandbox_cleanup();
}

static void set_core_autocrlf_to(git_repository *repo, bool value)
{
	git_config *cfg;

	cl_git_pass(git_repository_config(&cfg, repo));
	cl_git_pass(git_config_set_bool(cfg, "core.autocrlf", value));

	git_config_free(cfg);
}

static int merge_branch(void)
{
	git_oid their_oids[1];
	git_annotated_commit *their_head;
	git_merge_options merge_opts = GIT_MERGE_OPTIONS_INIT;
	git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT;
	int error;

	cl_git_pass(git_oid_fromstr(&their_oids[0], MERGE_BRANCH_OID));
	cl_git_pass(git_annotated_commit_lookup(&their_head, repo, &their_oids[0]));

	checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
	error = git_merge(repo, (const git_annotated_commit **)&their_head, 1, &merge_opts, &checkout_opts);

	git_annotated_commit_free(their_head);

	return error;
}

static void write_files(char *files[])
{
	char *filename;
	git_buf path = GIT_BUF_INIT, content = GIT_BUF_INIT;
	size_t i;

	for (i = 0, filename = files[i]; filename; filename = files[++i]) {
		git_buf_clear(&path);
		git_buf_clear(&content);

		git_buf_printf(&path, "%s/%s", TEST_REPO_PATH, filename);
		git_buf_printf(&content, "This is a dirty file in the working directory!\n\n"
			"It will not be staged!  Its filename is %s.\n", filename);

		cl_git_mkfile(path.ptr, content.ptr);
	}

	git_buf_free(&path);
	git_buf_free(&content);
}

static void hack_index(char *files[])
{
	char *filename;
	struct stat statbuf;
	git_buf path = GIT_BUF_INIT;
	git_index_entry *entry;
	struct p_timeval times[2];
	time_t now;
	size_t i;

	/* Update the index to suggest that checkout placed these files on
	 * disk, keeping the object id but updating the cache, which will
	 * emulate a Git implementation's different filter.
	 *
	 * We set the file's timestamp to before now to pretend that
	 * it was an old checkout so we don't trigger the racy
	 * protections would would check the content.
	 */

	now = time(NULL);
	times[0].tv_sec  = now - 5;
	times[0].tv_usec = 0;
	times[1].tv_sec  = now - 5;
	times[1].tv_usec = 0;

	for (i = 0, filename = files[i]; filename; filename = files[++i]) {
		git_buf_clear(&path);

		cl_assert(entry = (git_index_entry *)
			git_index_get_bypath(repo_index, filename, 0));

		cl_git_pass(git_buf_printf(&path, "%s/%s", TEST_REPO_PATH, filename));
		cl_git_pass(p_utimes(path.ptr, times));
		cl_git_pass(p_stat(path.ptr, &statbuf));

		entry->ctime.seconds = (int32_t)statbuf.st_ctime;
		entry->mtime.seconds = (int32_t)statbuf.st_mtime;
#if defined(GIT_USE_NSEC)
		entry->ctime.nanoseconds = statbuf.st_ctim.tv_nsec;
		entry->mtime.nanoseconds = statbuf.st_mtim.tv_nsec;
#else
		entry->ctime.nanoseconds = 0;
		entry->mtime.nanoseconds = 0;
#endif
		entry->dev = statbuf.st_dev;
		entry->ino = statbuf.st_ino;
		entry->uid  = statbuf.st_uid;
		entry->gid  = statbuf.st_gid;
		entry->file_size = (uint32_t)statbuf.st_size;
	}

	git_buf_free(&path);
}

static void stage_random_files(char *files[])
{
	char *filename;
	size_t i;

	write_files(files);

	for (i = 0, filename = files[i]; filename; filename = files[++i])
		cl_git_pass(git_index_add_bypath(repo_index, filename));
}

static void stage_content(char *content[])
{
	git_reference *head;
	git_object *head_object;
	git_buf path = GIT_BUF_INIT;
	char *filename, *text;
	size_t i;

	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));

	for (i = 0, filename = content[i], text = content[++i];
		filename && text;
		filename = content[++i], text = content[++i]) {

		git_buf_clear(&path);

		cl_git_pass(git_buf_printf(&path, "%s/%s", TEST_REPO_PATH, filename));

		cl_git_mkfile(path.ptr, text);
		cl_git_pass(git_index_add_bypath(repo_index, filename));
	}

	git_object_free(head_object);
	git_reference_free(head);
	git_buf_free(&path);
}

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_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;
}

static int merge_staged_files(char *staged_files[])
{	
	stage_random_files(staged_files);
	return merge_branch();
}

void test_merge_workdir_dirty__unaffected_dirty_files_allowed(void)
{
	char **files;
	size_t i;

	for (i = 0, files = unaffected[i]; files[0]; files = unaffected[++i])
		cl_git_pass(merge_dirty_files(files));
}

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_workdir_dirty__affected_dirty_files_disallowed(void)
{
	char **files;
	size_t i;

	for (i = 0, files = affected[i]; files[0]; files = affected[++i])
		cl_git_fail(merge_dirty_files(files));
}

void test_merge_workdir_dirty__staged_files_in_index_disallowed(void)
{
	char **files;
	size_t i;

	for (i = 0, files = unaffected[i]; files[0]; files = unaffected[++i])
		cl_git_fail(merge_staged_files(files));

	for (i = 0, files = affected[i]; files[0]; files = affected[++i])
		cl_git_fail(merge_staged_files(files));
}

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_workdir_dirty__honors_cache(void)
{
	char **files;
	size_t i;

	for (i = 0, files = affected[i]; files[0]; files = affected[++i])
		cl_git_pass(merge_differently_filtered_files(files));
}
Commit	Line	Data
b60149ec ET	1	#include "clar_libgit2.h"
	2	#include "git2/merge.h"
	3	#include "buffer.h"
	4	#include "merge.h"
fef5344c	5	#include "index.h"
b60149ec	6	#include "../merge_helpers.h"
bb13d391	7	#include "posix.h"
b60149ec ET	8
	9	#define TEST_REPO_PATH "merge-resolve"
	10	#define MERGE_BRANCH_OID "7cb63eed597130ba4abb87b3e544b85021905520"
	11
16eb8b7c ET	12	#define AUTOMERGEABLE_MERGED_FILE \
	13	"this file is changed in master\n" \
	14	"this file is automergeable\n" \
	15	"this file is automergeable\n" \
	16	"this file is automergeable\n" \
	17	"this file is automergeable\n" \
	18	"this file is automergeable\n" \
	19	"this file is automergeable\n" \
	20	"this file is automergeable\n" \
	21	"this file is changed in branch\n"
	22
	23	#define CHANGED_IN_BRANCH_FILE \
	24	"changed in branch\n"
	25
b60149ec ET	26	static git_repository *repo;
	27	static git_index *repo_index;
	28
	29	static char *unaffected[][4] = {
	30	{ "added-in-master.txt", NULL },
	31	{ "changed-in-master.txt", NULL },
	32	{ "unchanged.txt", NULL },
	33	{ "added-in-master.txt", "changed-in-master.txt", NULL },
	34	{ "added-in-master.txt", "unchanged.txt", NULL },
	35	{ "changed-in-master.txt", "unchanged.txt", NULL },
	36	{ "added-in-master.txt", "changed-in-master.txt", "unchanged.txt", NULL },
	37	{ "new_file.txt", NULL },
	38	{ "new_file.txt", "unchanged.txt", NULL },
	39	{ NULL },
	40	};
	41
	42	static char *affected[][5] = {
	43	{ "automergeable.txt", NULL },
	44	{ "changed-in-branch.txt", NULL },
	45	{ "conflicting.txt", NULL },
	46	{ "removed-in-branch.txt", NULL },
	47	{ "automergeable.txt", "changed-in-branch.txt", NULL },
	48	{ "automergeable.txt", "conflicting.txt", NULL },
	49	{ "automergeable.txt", "removed-in-branch.txt", NULL },
	50	{ "changed-in-branch.txt", "conflicting.txt", NULL },
	51	{ "changed-in-branch.txt", "removed-in-branch.txt", NULL },
	52	{ "conflicting.txt", "removed-in-branch.txt", NULL },
	53	{ "automergeable.txt", "changed-in-branch.txt", "conflicting.txt", NULL },
	54	{ "automergeable.txt", "changed-in-branch.txt", "removed-in-branch.txt", NULL },
	55	{ "automergeable.txt", "conflicting.txt", "removed-in-branch.txt", NULL },
	56	{ "changed-in-branch.txt", "conflicting.txt", "removed-in-branch.txt", NULL },
	57	{ "automergeable.txt", "changed-in-branch.txt", "conflicting.txt", "removed-in-branch.txt", NULL },
	58	{ NULL },
	59	};
	60
16eb8b7c ET	61	static char *result_contents[4][6] = {
	62	{ "automergeable.txt", AUTOMERGEABLE_MERGED_FILE, NULL, NULL },
	63	{ "changed-in-branch.txt", CHANGED_IN_BRANCH_FILE, NULL, NULL },
	64	{ "automergeable.txt", AUTOMERGEABLE_MERGED_FILE, "changed-in-branch.txt", CHANGED_IN_BRANCH_FILE, NULL, NULL },
	65	{ NULL }
	66	};
	67
b60149ec ET	68	void test_merge_workdir_dirty__initialize(void)
	69	{
	70	repo = cl_git_sandbox_init(TEST_REPO_PATH);
	71	git_repository_index(&repo_index, repo);
	72	}
	73
	74	void test_merge_workdir_dirty__cleanup(void)
	75	{
	76	git_index_free(repo_index);
	77	cl_git_sandbox_cleanup();
	78	}
	79
	80	static void set_core_autocrlf_to(git_repository *repo, bool value)
	81	{
	82	git_config *cfg;
	83
	84	cl_git_pass(git_repository_config(&cfg, repo));
	85	cl_git_pass(git_config_set_bool(cfg, "core.autocrlf", value));
	86
	87	git_config_free(cfg);
	88	}
	89
a4e2c36a	90	static int merge_branch(void)
b60149ec ET	91	{
b60149ec ET	92	git_oid their_oids[1];
18b00406	93	git_annotated_commit *their_head;
5aa2ac6d	94	git_merge_options merge_opts = GIT_MERGE_OPTIONS_INIT;
02105a27	95	git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT;
b60149ec ET	96	int error;
	97
	98	cl_git_pass(git_oid_fromstr(&their_oids[0], MERGE_BRANCH_OID));
18b00406	99	cl_git_pass(git_annotated_commit_lookup(&their_head, repo, &their_oids[0]));
b60149ec	100
967f5a76	101	checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
18b00406	102	error = git_merge(repo, (const git_annotated_commit **)&their_head, 1, &merge_opts, &checkout_opts);
b60149ec	103
18b00406	104	git_annotated_commit_free(their_head);
b60149ec ET	105
	106	return error;
	107	}
	108
	109	static void write_files(char *files[])
	110	{
	111	char *filename;
	112	git_buf path = GIT_BUF_INIT, content = GIT_BUF_INIT;
	113	size_t i;
	114
	115	for (i = 0, filename = files[i]; filename; filename = files[++i]) {
	116	git_buf_clear(&path);
	117	git_buf_clear(&content);
	118
	119	git_buf_printf(&path, "%s/%s", TEST_REPO_PATH, filename);
	120	git_buf_printf(&content, "This is a dirty file in the working directory!\n\n"
	121	"It will not be staged! Its filename is %s.\n", filename);
	122
	123	cl_git_mkfile(path.ptr, content.ptr);
	124	}
	125
	126	git_buf_free(&path);
	127	git_buf_free(&content);
	128	}
	129
bb13d391 ET	130	static void hack_index(char *files[])
	131	{
	132	char *filename;
	133	struct stat statbuf;
	134	git_buf path = GIT_BUF_INIT;
	135	git_index_entry *entry;
35439f59	136	struct p_timeval times[2];
5b05f954	137	time_t now;
bb13d391 ET	138	size_t i;
	139
	140	/* Update the index to suggest that checkout placed these files on
	141	* disk, keeping the object id but updating the cache, which will
	142	* emulate a Git implementation's different filter.
5b05f954 CMN	143	*
	144	* We set the file's timestamp to before now to pretend that
	145	* it was an old checkout so we don't trigger the racy
	146	* protections would would check the content.
bb13d391	147	*/
5b05f954 CMN	148
	149	now = time(NULL);
	150	times[0].tv_sec = now - 5;
	151	times[0].tv_usec = 0;
	152	times[1].tv_sec = now - 5;
	153	times[1].tv_usec = 0;
	154
bb13d391 ET	155	for (i = 0, filename = files[i]; filename; filename = files[++i]) {
	156	git_buf_clear(&path);
	157
	158	cl_assert(entry = (git_index_entry *)
	159	git_index_get_bypath(repo_index, filename, 0));
	160
	161	cl_git_pass(git_buf_printf(&path, "%s/%s", TEST_REPO_PATH, filename));
5b05f954	162	cl_git_pass(p_utimes(path.ptr, times));
bb13d391 ET	163	cl_git_pass(p_stat(path.ptr, &statbuf));
bb13d391 ET	164
263e674e ET	165	entry->ctime.seconds = (int32_t)statbuf.st_ctime;
263e674e ET	166	entry->mtime.seconds = (int32_t)statbuf.st_mtime;
e9e6df2c	167	#if defined(GIT_USE_NSEC)
e7de893e AR	168	entry->ctime.nanoseconds = statbuf.st_ctim.tv_nsec;
	169	entry->mtime.nanoseconds = statbuf.st_mtim.tv_nsec;
	170	#else
	171	entry->ctime.nanoseconds = 0;
bb13d391	172	entry->mtime.nanoseconds = 0;
e7de893e	173	#endif
bb13d391 ET	174	entry->dev = statbuf.st_dev;
	175	entry->ino = statbuf.st_ino;
	176	entry->uid = statbuf.st_uid;
	177	entry->gid = statbuf.st_gid;
263e674e	178	entry->file_size = (uint32_t)statbuf.st_size;
bb13d391 ET	179	}
	180
	181	git_buf_free(&path);
	182	}
	183
b60149ec ET	184	static void stage_random_files(char *files[])
	185	{
	186	char *filename;
	187	size_t i;
	188
	189	write_files(files);
	190
	191	for (i = 0, filename = files[i]; filename; filename = files[++i])
	192	cl_git_pass(git_index_add_bypath(repo_index, filename));
	193	}
	194
16eb8b7c ET	195	static void stage_content(char *content[])
	196	{
	197	git_reference *head;
	198	git_object *head_object;
16eb8b7c ET	199	git_buf path = GIT_BUF_INIT;
	200	char filename, text;
	201	size_t i;
	202
	203	cl_git_pass(git_repository_head(&head, repo));
	204	cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT));
23a17803	205	cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD, NULL));
16eb8b7c ET	206
	207	for (i = 0, filename = content[i], text = content[++i];
	208	filename && text;
	209	filename = content[++i], text = content[++i]) {
	210
	211	git_buf_clear(&path);
	212
	213	cl_git_pass(git_buf_printf(&path, "%s/%s", TEST_REPO_PATH, filename));
	214
	215	cl_git_mkfile(path.ptr, text);
	216	cl_git_pass(git_index_add_bypath(repo_index, filename));
	217	}
	218
16eb8b7c ET	219	git_object_free(head_object);
	220	git_reference_free(head);
	221	git_buf_free(&path);
	222	}
	223
b60149ec ET	224	static int merge_dirty_files(char *dirty_files[])
	225	{
	226	git_reference *head;
	227	git_object *head_object;
b60149ec ET	228	int error;
	229
	230	cl_git_pass(git_repository_head(&head, repo));
	231	cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT));
23a17803	232	cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD, NULL));
b60149ec ET	233
	234	write_files(dirty_files);
	235
a4e2c36a	236	error = merge_branch();
b60149ec	237
b60149ec ET	238	git_object_free(head_object);
	239	git_reference_free(head);
	240
	241	return error;
	242	}
	243
bb13d391 ET	244	static int merge_differently_filtered_files(char *files[])
	245	{
	246	git_reference *head;
	247	git_object *head_object;
bb13d391 ET	248	int error;
	249
	250	cl_git_pass(git_repository_head(&head, repo));
	251	cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT));
23a17803	252	cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD, NULL));
bb13d391	253
fef5344c ET	254	/* Emulate checkout with a broken or misconfigured filter: modify some
	255	* files on-disk and then update the index with the updated file size
	256	* and time, as if some filter applied them. These files should not be
	257	* treated as dirty since we created them.
	258	*
	259	* (Make sure to update the index stamp to defeat racy-git protections
	260	* trying to sanity check the files in the index; those would rehash the
	261	* files, showing them as dirty, the exact mechanism we're trying to avoid.)
	262	*/
	263
bb13d391 ET	264	write_files(files);
	265	hack_index(files);
	266
	267	cl_git_pass(git_index_write(repo_index));
	268
a4e2c36a	269	error = merge_branch();
bb13d391	270
bb13d391 ET	271	git_object_free(head_object);
	272	git_reference_free(head);
	273
	274	return error;
	275	}
	276
b60149ec	277	static int merge_staged_files(char *staged_files[])
d9fdee6e	278	{
b60149ec	279	stage_random_files(staged_files);
a4e2c36a	280	return merge_branch();
b60149ec ET	281	}
	282
	283	void test_merge_workdir_dirty__unaffected_dirty_files_allowed(void)
	284	{
	285	char **files;
	286	size_t i;
	287
	288	for (i = 0, files = unaffected[i]; files[0]; files = unaffected[++i])
	289	cl_git_pass(merge_dirty_files(files));
	290	}
	291
26564d80 ET	292	void test_merge_workdir_dirty__unstaged_deletes_maintained(void)
	293	{
	294	git_reference *head;
	295	git_object *head_object;
	296
	297	cl_git_pass(git_repository_head(&head, repo));
	298	cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT));
23a17803	299	cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD, NULL));
26564d80 ET	300
	301	cl_git_pass(p_unlink("merge-resolve/unchanged.txt"));
	302
a4e2c36a	303	cl_git_pass(merge_branch());
26564d80 ET	304
	305	git_object_free(head_object);
	306	git_reference_free(head);
	307	}
	308
b60149ec ET	309	void test_merge_workdir_dirty__affected_dirty_files_disallowed(void)
	310	{
	311	char **files;
	312	size_t i;
	313
	314	for (i = 0, files = affected[i]; files[0]; files = affected[++i])
	315	cl_git_fail(merge_dirty_files(files));
	316	}
	317
	318	void test_merge_workdir_dirty__staged_files_in_index_disallowed(void)
	319	{
	320	char **files;
	321	size_t i;
	322
	323	for (i = 0, files = unaffected[i]; files[0]; files = unaffected[++i])
	324	cl_git_fail(merge_staged_files(files));
	325
	326	for (i = 0, files = affected[i]; files[0]; files = affected[++i])
	327	cl_git_fail(merge_staged_files(files));
	328	}
16eb8b7c ET	329
	330	void test_merge_workdir_dirty__identical_staged_files_allowed(void)
	331	{
16eb8b7c ET	332	char **content;
	333	size_t i;
	334
	335	set_core_autocrlf_to(repo, false);
	336
	337	for (i = 0, content = result_contents[i]; content[0]; content = result_contents[++i]) {
	338	stage_content(content);
	339
	340	git_index_write(repo_index);
a4e2c36a	341	cl_git_pass(merge_branch());
16eb8b7c ET	342	}
16eb8b7c ET	343	}
bb13d391 ET	344
	345	void test_merge_workdir_dirty__honors_cache(void)
	346	{
	347	char **files;
	348	size_t i;
	349
	350	for (i = 0, files = affected[i]; files[0]; files = affected[++i])
	351	cl_git_pass(merge_differently_filtered_files(files));
	352	}