{{ message }}
Repository navigation
Expand file tree
/
Copy pathhead.c
More file actions
461 lines (336 loc) · 13.5 KB
/
Copy pathhead.c
File metadata and controls
461 lines (336 loc) · 13.5 KB
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
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
#include "clar_libgit2.h"
#include "refs.h"
#include "repo_helpers.h"
#include "posix.h"
#include "git2/annotated_commit.h"
static const char *g_email = "foo@example.com";
static git_repository *repo;
void test_repo_head__initialize(void)
{
repo = cl_git_sandbox_init("testrepo.git");
cl_git_pass(git_repository_set_ident(repo, "Foo Bar", g_email));
}
void test_repo_head__cleanup(void)
{
cl_git_sandbox_cleanup();
}
static void check_last_reflog_entry(const char *email, const char *message)
{
git_reflog *log;
const git_reflog_entry *entry;
cl_git_pass(git_reflog_read(&log, repo, GIT_HEAD_FILE));
cl_assert(git_reflog_entrycount(log) > 0);
entry = git_reflog_entry_byindex(log, 0);
if (email)
cl_assert_equal_s(email, git_reflog_entry_committer(entry)->email);
if (message)
cl_assert_equal_s(message, git_reflog_entry_message(entry));
git_reflog_free(log);
}
void test_repo_head__head_detached(void)
{
git_reference *ref;
cl_assert_equal_i(false, git_repository_head_detached(repo));
cl_git_pass(git_repository_detach_head(repo));
check_last_reflog_entry(g_email, "checkout: moving from master to a65fedf39aefe402d3bb6e24df4d4f5fe4547750");
cl_assert_equal_i(true, git_repository_head_detached(repo));
/* take the repo back to it's original state */
cl_git_pass(git_reference_symbolic_create(&ref, repo, "HEAD", "refs/heads/master",
true, "REATTACH"));
git_reference_free(ref);
check_last_reflog_entry(g_email, "REATTACH");
cl_assert_equal_i(false, git_repository_head_detached(repo));
}
void test_repo_head__unborn_head(void)
{
git_reference *ref;
cl_git_pass(git_repository_head_detached(repo));
make_head_unborn(repo, NON_EXISTING_HEAD);
cl_assert(git_repository_head_unborn(repo) == 1);
/* take the repo back to it's original state */
cl_git_pass(git_reference_symbolic_create(&ref, repo, "HEAD", "refs/heads/master", 1, NULL));
cl_assert(git_repository_head_unborn(repo) == 0);
git_reference_free(ref);
}
void test_repo_head__set_head_Attaches_HEAD_to_un_unborn_branch_when_the_branch_doesnt_exist(void)
{
git_reference *head;
cl_git_pass(git_repository_set_head(repo, "refs/heads/doesnt/exist/yet"));
cl_assert_equal_i(false, git_repository_head_detached(repo));
cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_head(&head, repo));
}
void test_repo_head__set_head_Returns_ENOTFOUND_when_the_reference_doesnt_exist(void)
{
cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head(repo, "refs/tags/doesnt/exist/yet"));
}
void test_repo_head__set_head_Fails_when_the_reference_points_to_a_non_commitish(void)
{
cl_git_fail(git_repository_set_head(repo, "refs/tags/point_to_blob"));
}
void test_repo_head__set_head_Attaches_HEAD_when_the_reference_points_to_a_branch(void)
{
git_reference *head;
cl_git_pass(git_repository_set_head(repo, "refs/heads/br2"));
cl_assert_equal_i(false, git_repository_head_detached(repo));
cl_git_pass(git_repository_head(&head, repo));
cl_assert_equal_s("refs/heads/br2", git_reference_name(head));
git_reference_free(head);
}
static void assert_head_is_correctly_detached(void)
{
git_reference *head;
git_object *commit;
cl_assert_equal_i(true, git_repository_head_detached(repo));
cl_git_pass(git_repository_head(&head, repo));
cl_git_pass(git_object_lookup(&commit, repo, git_reference_target(head), GIT_OBJ_COMMIT));
git_object_free(commit);
git_reference_free(head);
}
void test_repo_head__set_head_Detaches_HEAD_when_the_reference_doesnt_point_to_a_branch(void)
{
cl_git_pass(git_repository_set_head(repo, "refs/tags/test"));
cl_assert_equal_i(true, git_repository_head_detached(repo));
assert_head_is_correctly_detached();
}
void test_repo_head__set_head_detached_Return_ENOTFOUND_when_the_object_doesnt_exist(void)
{
git_oid oid;
cl_git_pass(git_oid_fromstr(&oid, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"));
cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head_detached(repo, &oid));
}
void test_repo_head__set_head_detached_Fails_when_the_object_isnt_a_commitish(void)
{
git_object *blob;
cl_git_pass(git_revparse_single(&blob, repo, "point_to_blob"));
cl_git_fail(git_repository_set_head_detached(repo, git_object_id(blob)));
git_object_free(blob);
}
void test_repo_head__set_head_detached_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
{
git_object *tag;
cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
cl_assert_equal_i(GIT_OBJ_TAG, git_object_type(tag));
cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag)));
assert_head_is_correctly_detached();
git_object_free(tag);
}
void test_repo_head__detach_head_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
{
cl_assert_equal_i(false, git_repository_head_detached(repo));
cl_git_pass(git_repository_detach_head(repo));
assert_head_is_correctly_detached();
}
void test_repo_head__detach_head_Fails_if_HEAD_and_point_to_a_non_commitish(void)
{
git_reference *head;
cl_git_pass(git_reference_symbolic_create(&head, repo, GIT_HEAD_FILE, "refs/tags/point_to_blob", 1, NULL));
cl_git_fail(git_repository_detach_head(repo));
git_reference_free(head);
}
void test_repo_head__detaching_an_unborn_branch_returns_GIT_EUNBORNBRANCH(void)
{
make_head_unborn(repo, NON_EXISTING_HEAD);
cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_detach_head(repo));
}
void test_repo_head__retrieving_an_unborn_branch_returns_GIT_EUNBORNBRANCH(void)
{
git_reference *head;
make_head_unborn(repo, NON_EXISTING_HEAD);
cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_head(&head, repo));
}
void test_repo_head__retrieving_a_missing_head_returns_GIT_ENOTFOUND(void)
{
git_reference *head;
delete_head(repo);
cl_assert_equal_i(GIT_ENOTFOUND, git_repository_head(&head, repo));
}
void test_repo_head__can_tell_if_an_unborn_head_is_detached(void)
{
make_head_unborn(repo, NON_EXISTING_HEAD);
cl_assert_equal_i(false, git_repository_head_detached(repo));
}
static void test_reflog(git_repository *repo, size_t idx,
const char *old_spec, const char *new_spec,
const char *email, const char *message)
{
git_reflog *log;
const git_reflog_entry *entry;
cl_git_pass(git_reflog_read(&log, repo, "HEAD"));
entry = git_reflog_entry_byindex(log, idx);
if (old_spec) {
git_object *obj;
cl_git_pass(git_revparse_single(&obj, repo, old_spec));
cl_assert_equal_oid(git_object_id(obj), git_reflog_entry_id_old(entry));
git_object_free(obj);
}
if (new_spec) {
git_object *obj;
cl_git_pass(git_revparse_single(&obj, repo, new_spec));
cl_assert_equal_oid(git_object_id(obj), git_reflog_entry_id_new(entry));
git_object_free(obj);
}
if (email) {
cl_assert_equal_s(email, git_reflog_entry_committer(entry)->email);
}
if (message) {
cl_assert_equal_s(message, git_reflog_entry_message(entry));
}
git_reflog_free(log);
}
void test_repo_head__setting_head_updates_reflog(void)
{
git_object *tag;
git_signature *sig;
git_annotated_commit *annotated;
cl_git_pass(git_signature_now(&sig, "me", "foo@example.com"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/unborn"));
cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag)));
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
test_reflog(repo, 2, NULL, "refs/heads/haacked", "foo@example.com", "checkout: moving from master to haacked");
test_reflog(repo, 1, NULL, "tags/test^{commit}", "foo@example.com", "checkout: moving from unborn to e90810b8df3e80c413d903f631643c716887138d");
test_reflog(repo, 0, "tags/test^{commit}", "refs/heads/haacked", "foo@example.com", "checkout: moving from e90810b8df3e80c413d903f631643c716887138d to haacked");
cl_git_pass(git_annotated_commit_from_revspec(&annotated, repo, "haacked~0"));
cl_git_pass(git_repository_set_head_detached_from_annotated(repo, annotated));
test_reflog(repo, 0, NULL, "refs/heads/haacked", "foo@example.com", "checkout: moving from haacked to haacked~0");
git_annotated_commit_free(annotated);
git_object_free(tag);
git_signature_free(sig);
}
static void assert_head_reflog(git_repository *repo, size_t idx,
const char *old_id, const char *new_id, const char *message)
{
git_reflog *log;
const git_reflog_entry *entry;
char id_str[GIT_OID_HEXSZ + 1] = {0};
cl_git_pass(git_reflog_read(&log, repo, GIT_HEAD_FILE));
entry = git_reflog_entry_byindex(log, idx);
git_oid_fmt(id_str, git_reflog_entry_id_old(entry));
cl_assert_equal_s(old_id, id_str);
git_oid_fmt(id_str, git_reflog_entry_id_new(entry));
cl_assert_equal_s(new_id, id_str);
cl_assert_equal_s(message, git_reflog_entry_message(entry));
git_reflog_free(log);
}
void test_repo_head__detaching_writes_reflog(void)
{
git_signature *sig;
git_oid id;
const char *msg;
cl_git_pass(git_signature_now(&sig, "me", "foo@example.com"));
msg = "checkout: moving from master to e90810b8df3e80c413d903f631643c716887138d";
git_oid_fromstr(&id, "e90810b8df3e80c413d903f631643c716887138d");
cl_git_pass(git_repository_set_head_detached(repo, &id));
assert_head_reflog(repo, 0, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d", msg);
msg = "checkout: moving from e90810b8df3e80c413d903f631643c716887138d to haacked";
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
assert_head_reflog(repo, 0, "e90810b8df3e80c413d903f631643c716887138d",
"258f0e2a959a364e40ed6603d5d44fbb24765b10", msg);
git_signature_free(sig);
}
void test_repo_head__orphan_branch_does_not_count(void)
{
git_oid id;
const char *msg;
/* Have something known */
msg = "checkout: moving from master to e90810b8df3e80c413d903f631643c716887138d";
git_oid_fromstr(&id, "e90810b8df3e80c413d903f631643c716887138d");
cl_git_pass(git_repository_set_head_detached(repo, &id));
assert_head_reflog(repo, 0, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d", msg);
/* Switching to an orphan branch does not write tot he reflog */
cl_git_pass(git_repository_set_head(repo, "refs/heads/orphan"));
assert_head_reflog(repo, 0, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d", msg);
/* And coming back, we set the source to zero */
msg = "checkout: moving from orphan to haacked";
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
assert_head_reflog(repo, 0, "0000000000000000000000000000000000000000",
"258f0e2a959a364e40ed6603d5d44fbb24765b10", msg);
}
void test_repo_head__set_to_current_target(void)
{
git_reflog *log;
size_t nentries, nentries_after;
cl_git_pass(git_reflog_read(&log, repo, GIT_HEAD_FILE));
nentries = git_reflog_entrycount(log);
git_reflog_free(log);
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
cl_git_pass(git_reflog_read(&log, repo, GIT_HEAD_FILE));
nentries_after = git_reflog_entrycount(log);
git_reflog_free(log);
cl_assert_equal_i(nentries + 1, nentries_after);
}
void test_repo_head__branch_birth(void)
{
git_signature *sig;
git_oid id;
git_tree *tree;
git_reference *ref;
const char *msg;
git_reflog *log;
size_t nentries, nentries_after;
cl_git_pass(git_reflog_read(&log, repo, GIT_HEAD_FILE));
nentries = git_reflog_entrycount(log);
git_reflog_free(log);
cl_git_pass(git_signature_now(&sig, "me", "foo@example.com"));
cl_git_pass(git_repository_head(&ref, repo));
cl_git_pass(git_reference_peel((git_object **) &tree, ref, GIT_OBJ_TREE));
git_reference_free(ref);
cl_git_pass(git_repository_set_head(repo, "refs/heads/orphan"));
cl_git_pass(git_reflog_read(&log, repo, GIT_HEAD_FILE));
nentries_after = git_reflog_entrycount(log);
git_reflog_free(log);
cl_assert_equal_i(nentries, nentries_after);
msg = "message 2";
cl_git_pass(git_commit_create(&id, repo, "HEAD", sig, sig, NULL, msg, tree, 0, NULL));
git_tree_free(tree);
cl_git_pass(git_reflog_read(&log, repo, "refs/heads/orphan"));
cl_assert_equal_i(1, git_reflog_entrycount(log));
git_reflog_free(log);
cl_git_pass(git_reflog_read(&log, repo, GIT_HEAD_FILE));
nentries_after = git_reflog_entrycount(log);
git_reflog_free(log);
cl_assert_equal_i(nentries + 1, nentries_after);
git_signature_free(sig);
}
static size_t entrycount(git_repository *repo, const char *name)
{
git_reflog *log;
size_t ret;
cl_git_pass(git_reflog_read(&log, repo, name));
ret = git_reflog_entrycount(log);
git_reflog_free(log);
return ret;
}
void test_repo_head__symref_chain(void)
{
git_signature *sig;
git_oid id;
git_tree *tree;
git_reference *ref;
const char *msg;
size_t nentries, nentries_master;
nentries = entrycount(repo, GIT_HEAD_FILE);
cl_git_pass(git_signature_now(&sig, "me", "foo@example.com"));
cl_git_pass(git_repository_head(&ref, repo));
cl_git_pass(git_reference_peel((git_object **) &tree, ref, GIT_OBJ_TREE));
git_reference_free(ref);
nentries_master = entrycount(repo, "refs/heads/master");
msg = "message 1";
cl_git_pass(git_reference_symbolic_create(&ref, repo, "refs/heads/master", "refs/heads/foo", 1, msg));
git_reference_free(ref);
cl_assert_equal_i(0, entrycount(repo, "refs/heads/foo"));
cl_assert_equal_i(nentries, entrycount(repo, GIT_HEAD_FILE));
cl_assert_equal_i(nentries_master, entrycount(repo, "refs/heads/master"));
msg = "message 2";
cl_git_pass(git_commit_create(&id, repo, "HEAD", sig, sig, NULL, msg, tree, 0, NULL));
git_tree_free(tree);
cl_assert_equal_i(1, entrycount(repo, "refs/heads/foo"));
cl_assert_equal_i(nentries +1, entrycount(repo, GIT_HEAD_FILE));
cl_assert_equal_i(nentries_master, entrycount(repo, "refs/heads/master"));
git_signature_free(sig);
}
You can’t perform that action at this time.