summaryrefslogtreecommitdiffstats
path: root/t/helper/test-ref-store.c
blob: 759e69dc549ea1d87343d9890b28066515858aea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
#include "test-tool.h"
#include "cache.h"
#include "refs.h"
#include "worktree.h"
#include "object-store.h"
#include "repository.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(the_repository);
	} 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();

		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");
	struct object_id oid;
	int ret;

	ret = refs_peel_ref(refs, refname, &oid);
	if (!ret)
		puts(oid_to_hex(&oid));
	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");
	const char *msg = *argv++;
	struct string_list refnames = STRING_LIST_INIT_NODUP;

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

	return refs_delete_refs(refs, msg, &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)
{
	struct object_id oid;
	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,
				      &oid, &flags);
	printf("%s %s 0x%x\n", oid_to_hex(&oid), ref ? ref : "(null)", 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");
	struct object_id old_oid;

	if (get_oid_hex(sha1_buf, &old_oid))
		die("not sha-1");

	return refs_delete_ref(refs, msg, refname, &old_oid, 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++, "new-sha1");
	const char *old_sha1_buf = notnull(*argv++, "old-sha1");
	unsigned int flags = arg_flags(*argv++, "flags");
	struct object_id old_oid;
	struct object_id new_oid;

	if (get_oid_hex(old_sha1_buf, &old_oid) ||
	    get_oid_hex(new_sha1_buf, &new_oid))
		die("not sha-1");

	return refs_update_ref(refs, msg, refname,
			       &new_oid, &old_oid,
			       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__ref_store(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;
}