[thirdparty/git.git] / t / helper / test-ref-store.c

#include "cache.h"
#include "refs.h"
#include "worktree.h"

static const char *notnull(const char *arg, const char *name)
{
	if (!arg)
		die("%s required", name);
	return arg;
}

static unsigned int arg_flags(const char *arg, const char *name)
{
	return atoi(notnull(arg, name));
}

static const char **get_store(const char **argv, struct ref_store **refs)
{
	const char *gitdir;

	if (!argv[0]) {
		die("ref store required");
	} else if (!strcmp(argv[0], "main")) {
		*refs = get_main_ref_store();
	} else if (skip_prefix(argv[0], "submodule:", &gitdir)) {
		struct strbuf sb = STRBUF_INIT;
		int ret;

		ret = strbuf_git_path_submodule(&sb, gitdir, "objects/");
		if (ret)
			die("strbuf_git_path_submodule failed: %d", ret);
		add_to_alternates_memory(sb.buf);
		strbuf_release(&sb);

		*refs = get_submodule_ref_store(gitdir);
	} else if (skip_prefix(argv[0], "worktree:", &gitdir)) {
		struct worktree **p, **worktrees = get_worktrees(0);

		for (p = worktrees; *p; p++) {
			struct worktree *wt = *p;

			if (!wt->id) {
				/* special case for main worktree */
				if (!strcmp(gitdir, "main"))
					break;
			} else if (!strcmp(gitdir, wt->id))
				break;
		}
		if (!*p)
			die("no such worktree: %s", gitdir);

		*refs = get_worktree_ref_store(*p);
	} else
		die("unknown backend %s", argv[0]);

	if (!*refs)
		die("no ref store");

	/* consume store-specific optional arguments if needed */

	return argv + 1;
}


static int cmd_pack_refs(struct ref_store *refs, const char **argv)
{
	unsigned int flags = arg_flags(*argv++, "flags");

	return refs_pack_refs(refs, flags);
}

static int cmd_peel_ref(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");
	unsigned char sha1[20];
	int ret;

	ret = refs_peel_ref(refs, refname, sha1);
	if (!ret)
		puts(sha1_to_hex(sha1));
	return ret;
}

static int cmd_create_symref(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");
	const char *target = notnull(*argv++, "target");
	const char *logmsg = *argv++;

	return refs_create_symref(refs, refname, target, logmsg);
}

static int cmd_delete_refs(struct ref_store *refs, const char **argv)
{
	unsigned int flags = arg_flags(*argv++, "flags");
	struct string_list refnames = STRING_LIST_INIT_NODUP;

	while (*argv)
		string_list_append(&refnames, *argv++);

	return refs_delete_refs(refs, &refnames, flags);
}

static int cmd_rename_ref(struct ref_store *refs, const char **argv)
{
	const char *oldref = notnull(*argv++, "oldref");
	const char *newref = notnull(*argv++, "newref");
	const char *logmsg = *argv++;

	return refs_rename_ref(refs, oldref, newref, logmsg);
}

static int each_ref(const char *refname, const struct object_id *oid,
		    int flags, void *cb_data)
{
	printf("%s %s 0x%x\n", oid_to_hex(oid), refname, flags);
	return 0;
}

static int cmd_for_each_ref(struct ref_store *refs, const char **argv)
{
	const char *prefix = notnull(*argv++, "prefix");

	return refs_for_each_ref_in(refs, prefix, each_ref, NULL);
}

static int cmd_resolve_ref(struct ref_store *refs, const char **argv)
{
	unsigned char sha1[20];
	const char *refname = notnull(*argv++, "refname");
	int resolve_flags = arg_flags(*argv++, "resolve-flags");
	int flags;
	const char *ref;

	ref = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
				      sha1, &flags);
	printf("%s %s 0x%x\n", sha1_to_hex(sha1), ref, flags);
	return ref ? 0 : 1;
}

static int cmd_verify_ref(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");
	struct strbuf err = STRBUF_INIT;
	int ret;

	ret = refs_verify_refname_available(refs, refname, NULL, NULL, &err);
	if (err.len)
		puts(err.buf);
	return ret;
}

static int cmd_for_each_reflog(struct ref_store *refs, const char **argv)
{
	return refs_for_each_reflog(refs, each_ref, NULL);
}

static int each_reflog(struct object_id *old_oid, struct object_id *new_oid,
		       const char *committer, timestamp_t timestamp,
		       int tz, const char *msg, void *cb_data)
{
	printf("%s %s %s %"PRItime" %d %s\n",
	       oid_to_hex(old_oid), oid_to_hex(new_oid),
	       committer, timestamp, tz, msg);
	return 0;
}

static int cmd_for_each_reflog_ent(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");

	return refs_for_each_reflog_ent(refs, refname, each_reflog, refs);
}

static int cmd_for_each_reflog_ent_reverse(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");

	return refs_for_each_reflog_ent_reverse(refs, refname, each_reflog, refs);
}

static int cmd_reflog_exists(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");

	return !refs_reflog_exists(refs, refname);
}

static int cmd_create_reflog(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");
	int force_create = arg_flags(*argv++, "force-create");
	struct strbuf err = STRBUF_INIT;
	int ret;

	ret = refs_create_reflog(refs, refname, force_create, &err);
	if (err.len)
		puts(err.buf);
	return ret;
}

static int cmd_delete_reflog(struct ref_store *refs, const char **argv)
{
	const char *refname = notnull(*argv++, "refname");

	return refs_delete_reflog(refs, refname);
}

static int cmd_reflog_expire(struct ref_store *refs, const char **argv)
{
	die("not supported yet");
}

static int cmd_delete_ref(struct ref_store *refs, const char **argv)
{
	const char *msg = notnull(*argv++, "msg");
	const char *refname = notnull(*argv++, "refname");
	const char *sha1_buf = notnull(*argv++, "old-sha1");
	unsigned int flags = arg_flags(*argv++, "flags");
	unsigned char old_sha1[20];

	if (get_sha1_hex(sha1_buf, old_sha1))
		die("not sha-1");

	return refs_delete_ref(refs, msg, refname, old_sha1, flags);
}

static int cmd_update_ref(struct ref_store *refs, const char **argv)
{
	const char *msg = notnull(*argv++, "msg");
	const char *refname = notnull(*argv++, "refname");
	const char *new_sha1_buf = notnull(*argv++, "old-sha1");
	const char *old_sha1_buf = notnull(*argv++, "old-sha1");
	unsigned int flags = arg_flags(*argv++, "flags");
	unsigned char old_sha1[20];
	unsigned char new_sha1[20];

	if (get_sha1_hex(old_sha1_buf, old_sha1) ||
	    get_sha1_hex(new_sha1_buf, new_sha1))
		die("not sha-1");

	return refs_update_ref(refs, msg, refname,
			       new_sha1, old_sha1,
			       flags, UPDATE_REFS_DIE_ON_ERR);
}

struct command {
	const char *name;
	int (*func)(struct ref_store *refs, const char **argv);
};

static struct command commands[] = {
	{ "pack-refs", cmd_pack_refs },
	{ "peel-ref", cmd_peel_ref },
	{ "create-symref", cmd_create_symref },
	{ "delete-refs", cmd_delete_refs },
	{ "rename-ref", cmd_rename_ref },
	{ "for-each-ref", cmd_for_each_ref },
	{ "resolve-ref", cmd_resolve_ref },
	{ "verify-ref", cmd_verify_ref },
	{ "for-each-reflog", cmd_for_each_reflog },
	{ "for-each-reflog-ent", cmd_for_each_reflog_ent },
	{ "for-each-reflog-ent-reverse", cmd_for_each_reflog_ent_reverse },
	{ "reflog-exists", cmd_reflog_exists },
	{ "create-reflog", cmd_create_reflog },
	{ "delete-reflog", cmd_delete_reflog },
	{ "reflog-expire", cmd_reflog_expire },
	/*
	 * backend transaction functions can't be tested separately
	 */
	{ "delete-ref", cmd_delete_ref },
	{ "update-ref", cmd_update_ref },
	{ NULL, NULL }
};

int cmd_main(int argc, const char **argv)
{
	struct ref_store *refs;
	const char *func;
	struct command *cmd;

	setup_git_directory();

	argv = get_store(argv + 1, &refs);

	func = *argv++;
	if (!func)
		die("ref function required");
	for (cmd = commands; cmd->name; cmd++) {
		if (!strcmp(func, cmd->name))
			return cmd->func(refs, argv);
	}
	die("unknown function %s", func);
	return 0;
}
Commit	Line	Data
80f2a609 NTND	1	#include "cache.h"
80f2a609 NTND	2	#include "refs.h"
fa099d23	3	#include "worktree.h"
80f2a609 NTND	4
	5	static const char notnull(const char arg, const char *name)
	6	{
	7	if (!arg)
	8	die("%s required", name);
	9	return arg;
	10	}
	11
	12	static unsigned int arg_flags(const char arg, const char name)
	13	{
	14	return atoi(notnull(arg, name));
	15	}
	16
	17	static const char get_store(const char argv, struct ref_store **refs)
	18	{
	19	const char *gitdir;
	20
	21	if (!argv[0]) {
	22	die("ref store required");
	23	} else if (!strcmp(argv[0], "main")) {
	24	*refs = get_main_ref_store();
	25	} else if (skip_prefix(argv[0], "submodule:", &gitdir)) {
	26	struct strbuf sb = STRBUF_INIT;
	27	int ret;
	28
	29	ret = strbuf_git_path_submodule(&sb, gitdir, "objects/");
	30	if (ret)
	31	die("strbuf_git_path_submodule failed: %d", ret);
	32	add_to_alternates_memory(sb.buf);
	33	strbuf_release(&sb);
	34
	35	*refs = get_submodule_ref_store(gitdir);
fa099d23 NTND	36	} else if (skip_prefix(argv[0], "worktree:", &gitdir)) {
	37	struct worktree p, worktrees = get_worktrees(0);
	38
	39	for (p = worktrees; *p; p++) {
	40	struct worktree wt = p;
	41
	42	if (!wt->id) {
	43	/* special case for main worktree */
	44	if (!strcmp(gitdir, "main"))
	45	break;
	46	} else if (!strcmp(gitdir, wt->id))
	47	break;
	48	}
	49	if (!*p)
	50	die("no such worktree: %s", gitdir);
	51
	52	refs = get_worktree_ref_store(p);
80f2a609 NTND	53	} else
	54	die("unknown backend %s", argv[0]);
	55
	56	if (!*refs)
	57	die("no ref store");
	58
	59	/* consume store-specific optional arguments if needed */
	60
	61	return argv + 1;
	62	}
	63
	64
	65	static int cmd_pack_refs(struct ref_store refs, const char *argv)
	66	{
	67	unsigned int flags = arg_flags(*argv++, "flags");
	68
	69	return refs_pack_refs(refs, flags);
	70	}
	71
	72	static int cmd_peel_ref(struct ref_store refs, const char *argv)
	73	{
	74	const char refname = notnull(argv++, "refname");
	75	unsigned char sha1[20];
	76	int ret;
	77
	78	ret = refs_peel_ref(refs, refname, sha1);
	79	if (!ret)
	80	puts(sha1_to_hex(sha1));
	81	return ret;
	82	}
	83
	84	static int cmd_create_symref(struct ref_store refs, const char *argv)
	85	{
	86	const char refname = notnull(argv++, "refname");
	87	const char target = notnull(argv++, "target");
	88	const char logmsg = argv++;
	89
	90	return refs_create_symref(refs, refname, target, logmsg);
	91	}
	92
	93	static int cmd_delete_refs(struct ref_store refs, const char *argv)
	94	{
	95	unsigned int flags = arg_flags(*argv++, "flags");
	96	struct string_list refnames = STRING_LIST_INIT_NODUP;
	97
	98	while (*argv)
	99	string_list_append(&refnames, *argv++);
	100
	101	return refs_delete_refs(refs, &refnames, flags);
	102	}
	103
	104	static int cmd_rename_ref(struct ref_store refs, const char *argv)
	105	{
	106	const char oldref = notnull(argv++, "oldref");
	107	const char newref = notnull(argv++, "newref");
	108	const char logmsg = argv++;
	109
	110	return refs_rename_ref(refs, oldref, newref, logmsg);
	111	}
	112
	113	static int each_ref(const char refname, const struct object_id oid,
	114	int flags, void *cb_data)
	115	{
	116	printf("%s %s 0x%x\n", oid_to_hex(oid), refname, flags);
117	return 0;
118	}
119
120	static int cmd_for_each_ref(struct ref_store refs, const char *argv)
121	{
122	const char prefix = notnull(argv++, "prefix");
123
124	return refs_for_each_ref_in(refs, prefix, each_ref, NULL);
125	}
126
127	static int cmd_resolve_ref(struct ref_store refs, const char *argv)
128	{
129	unsigned char sha1[20];
130	const char refname = notnull(argv++, "refname");
131	int resolve_flags = arg_flags(*argv++, "resolve-flags");
132	int flags;
133	const char *ref;
134
135	ref = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
136	sha1, &flags);
137	printf("%s %s 0x%x\n", sha1_to_hex(sha1), ref, flags);
138	return ref ? 0 : 1;
139	}
140
141	static int cmd_verify_ref(struct ref_store refs, const char *argv)
142	{
143	const char refname = notnull(argv++, "refname");
144	struct strbuf err = STRBUF_INIT;
145	int ret;
146
147	ret = refs_verify_refname_available(refs, refname, NULL, NULL, &err);
148	if (err.len)
149	puts(err.buf);
150	return ret;
151	}
152
153	static int cmd_for_each_reflog(struct ref_store refs, const char *argv)
154	{
155	return refs_for_each_reflog(refs, each_ref, NULL);
156	}
157
158	static int each_reflog(struct object_id old_oid, struct object_id new_oid,
dddbad72	159	const char *committer, timestamp_t timestamp,
80f2a609 NTND	160	int tz, const char msg, void cb_data)
80f2a609 NTND	161	{
cb71f8bd	162	printf("%s %s %s %"PRItime" %d %s\n",
80f2a609 NTND	163	oid_to_hex(old_oid), oid_to_hex(new_oid),
	164	committer, timestamp, tz, msg);
	165	return 0;
	166	}
	167
	168	static int cmd_for_each_reflog_ent(struct ref_store refs, const char *argv)
	169	{
	170	const char refname = notnull(argv++, "refname");
	171
	172	return refs_for_each_reflog_ent(refs, refname, each_reflog, refs);
	173	}
	174
	175	static int cmd_for_each_reflog_ent_reverse(struct ref_store refs, const char *argv)
	176	{
	177	const char refname = notnull(argv++, "refname");
	178
	179	return refs_for_each_reflog_ent_reverse(refs, refname, each_reflog, refs);
	180	}
	181
	182	static int cmd_reflog_exists(struct ref_store refs, const char *argv)
	183	{
	184	const char refname = notnull(argv++, "refname");
	185
	186	return !refs_reflog_exists(refs, refname);
	187	}
	188
	189	static int cmd_create_reflog(struct ref_store refs, const char *argv)
	190	{
	191	const char refname = notnull(argv++, "refname");
	192	int force_create = arg_flags(*argv++, "force-create");
	193	struct strbuf err = STRBUF_INIT;
	194	int ret;
	195
	196	ret = refs_create_reflog(refs, refname, force_create, &err);
	197	if (err.len)
	198	puts(err.buf);
	199	return ret;
	200	}
	201
	202	static int cmd_delete_reflog(struct ref_store refs, const char *argv)
	203	{
	204	const char refname = notnull(argv++, "refname");
	205
	206	return refs_delete_reflog(refs, refname);
	207	}
	208
	209	static int cmd_reflog_expire(struct ref_store refs, const char *argv)
	210	{
	211	die("not supported yet");
	212	}
	213
	214	static int cmd_delete_ref(struct ref_store refs, const char *argv)
	215	{
	216	const char msg = notnull(argv++, "msg");
	217	const char refname = notnull(argv++, "refname");
	218	const char sha1_buf = notnull(argv++, "old-sha1");
	219	unsigned int flags = arg_flags(*argv++, "flags");
	220	unsigned char old_sha1[20];
	221
	222	if (get_sha1_hex(sha1_buf, old_sha1))
	223	die("not sha-1");
	224
	225	return refs_delete_ref(refs, msg, refname, old_sha1, flags);
	226	}
227
228	static int cmd_update_ref(struct ref_store refs, const char *argv)
229	{
230	const char msg = notnull(argv++, "msg");
231	const char refname = notnull(argv++, "refname");
232	const char new_sha1_buf = notnull(argv++, "old-sha1");
233	const char old_sha1_buf = notnull(argv++, "old-sha1");
234	unsigned int flags = arg_flags(*argv++, "flags");
235	unsigned char old_sha1[20];
236	unsigned char new_sha1[20];
237
238	if (get_sha1_hex(old_sha1_buf, old_sha1) \|\|
239	get_sha1_hex(new_sha1_buf, new_sha1))
240	die("not sha-1");
241
242	return refs_update_ref(refs, msg, refname,
243	new_sha1, old_sha1,
244	flags, UPDATE_REFS_DIE_ON_ERR);
245	}
246
247	struct command {
248	const char *name;
249	int (func)(struct ref_store refs, const char **argv);
250	};
251
252	static struct command commands[] = {
253	{ "pack-refs", cmd_pack_refs },
254	{ "peel-ref", cmd_peel_ref },
255	{ "create-symref", cmd_create_symref },
256	{ "delete-refs", cmd_delete_refs },
257	{ "rename-ref", cmd_rename_ref },
258	{ "for-each-ref", cmd_for_each_ref },
259	{ "resolve-ref", cmd_resolve_ref },
260	{ "verify-ref", cmd_verify_ref },
261	{ "for-each-reflog", cmd_for_each_reflog },
262	{ "for-each-reflog-ent", cmd_for_each_reflog_ent },
263	{ "for-each-reflog-ent-reverse", cmd_for_each_reflog_ent_reverse },
264	{ "reflog-exists", cmd_reflog_exists },
265	{ "create-reflog", cmd_create_reflog },
266	{ "delete-reflog", cmd_delete_reflog },
267	{ "reflog-expire", cmd_reflog_expire },
268	/*
269	* backend transaction functions can't be tested separately
270	*/
271	{ "delete-ref", cmd_delete_ref },
272	{ "update-ref", cmd_update_ref },
273	{ NULL, NULL }
274	};
275
276	int cmd_main(int argc, const char **argv)
277	{
278	struct ref_store *refs;
279	const char *func;
280	struct command *cmd;
281
282	setup_git_directory();
283
284	argv = get_store(argv + 1, &refs);
285
286	func = *argv++;
287	if (!func)
288	die("ref function required");
289	for (cmd = commands; cmd->name; cmd++) {
290	if (!strcmp(func, cmd->name))
291	return cmd->func(refs, argv);
292	}
293	die("unknown function %s", func);
294	return 0;
295	}