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Commit | Line | Data |
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c31820c2 LH |
1 | /* |
2 | * Builtin "git branch" | |
3 | * | |
d972cce0 | 4 | * Copyright (c) 2006 Kristian Høgsberg <krh@redhat.com> |
c31820c2 LH |
5 | * Based on git-branch.sh by Junio C Hamano. |
6 | */ | |
7 | ||
8 | #include "cache.h" | |
85023577 | 9 | #include "color.h" |
c31820c2 LH |
10 | #include "refs.h" |
11 | #include "commit.h" | |
12 | #include "builtin.h" | |
6f084a56 | 13 | #include "remote.h" |
a8dfd5ea | 14 | #include "parse-options.h" |
e496c003 | 15 | #include "branch.h" |
68067ca1 JH |
16 | #include "diff.h" |
17 | #include "revision.h" | |
a8dfd5ea PH |
18 | |
19 | static const char * const builtin_branch_usage[] = { | |
1b1dd23f SB |
20 | "git branch [options] [-r | -a] [--merged | --no-merged]", |
21 | "git branch [options] [-l] [-f] <branchname> [<start-point>]", | |
22 | "git branch [options] [-r] (-d | -D) <branchname>", | |
23 | "git branch [options] (-m | -M) [<oldbranch>] <newbranch>", | |
a8dfd5ea PH |
24 | NULL |
25 | }; | |
c31820c2 | 26 | |
f3d985c3 JH |
27 | #define REF_LOCAL_BRANCH 0x01 |
28 | #define REF_REMOTE_BRANCH 0x02 | |
c31820c2 LH |
29 | |
30 | static const char *head; | |
31 | static unsigned char head_sha1[20]; | |
32 | ||
6b2f2d98 | 33 | static int branch_use_color = -1; |
a1158cae | 34 | static char branch_colors[][COLOR_MAXLEN] = { |
dc6ebd4c AL |
35 | GIT_COLOR_RESET, |
36 | GIT_COLOR_NORMAL, /* PLAIN */ | |
37 | GIT_COLOR_RED, /* REMOTE */ | |
38 | GIT_COLOR_NORMAL, /* LOCAL */ | |
39 | GIT_COLOR_GREEN, /* CURRENT */ | |
a1158cae AP |
40 | }; |
41 | enum color_branch { | |
74bb2dfb AL |
42 | BRANCH_COLOR_RESET = 0, |
43 | BRANCH_COLOR_PLAIN = 1, | |
44 | BRANCH_COLOR_REMOTE = 2, | |
45 | BRANCH_COLOR_LOCAL = 3, | |
46 | BRANCH_COLOR_CURRENT = 4, | |
a1158cae AP |
47 | }; |
48 | ||
049716b3 JH |
49 | static enum merge_filter { |
50 | NO_FILTER = 0, | |
51 | SHOW_NOT_MERGED, | |
52 | SHOW_MERGED, | |
53 | } merge_filter; | |
54 | static unsigned char merge_filter_ref[20]; | |
e8b404c2 | 55 | |
a1158cae AP |
56 | static int parse_branch_color_slot(const char *var, int ofs) |
57 | { | |
58 | if (!strcasecmp(var+ofs, "plain")) | |
74bb2dfb | 59 | return BRANCH_COLOR_PLAIN; |
a1158cae | 60 | if (!strcasecmp(var+ofs, "reset")) |
74bb2dfb | 61 | return BRANCH_COLOR_RESET; |
a1158cae | 62 | if (!strcasecmp(var+ofs, "remote")) |
74bb2dfb | 63 | return BRANCH_COLOR_REMOTE; |
a1158cae | 64 | if (!strcasecmp(var+ofs, "local")) |
74bb2dfb | 65 | return BRANCH_COLOR_LOCAL; |
a1158cae | 66 | if (!strcasecmp(var+ofs, "current")) |
74bb2dfb | 67 | return BRANCH_COLOR_CURRENT; |
a1158cae AP |
68 | die("bad config variable '%s'", var); |
69 | } | |
70 | ||
ef90d6d4 | 71 | static int git_branch_config(const char *var, const char *value, void *cb) |
a1158cae AP |
72 | { |
73 | if (!strcmp(var, "color.branch")) { | |
0f6f5a40 | 74 | branch_use_color = git_config_colorbool(var, value, -1); |
a1158cae AP |
75 | return 0; |
76 | } | |
cc44c765 | 77 | if (!prefixcmp(var, "color.branch.")) { |
a1158cae | 78 | int slot = parse_branch_color_slot(var, 13); |
5768c98a JH |
79 | if (!value) |
80 | return config_error_nonbool(var); | |
a1158cae AP |
81 | color_parse(value, var, branch_colors[slot]); |
82 | return 0; | |
83 | } | |
ef90d6d4 | 84 | return git_color_default_config(var, value, cb); |
a1158cae AP |
85 | } |
86 | ||
52fae7de | 87 | static const char *branch_get_color(enum color_branch ix) |
a1158cae | 88 | { |
6b2f2d98 | 89 | if (branch_use_color > 0) |
a1158cae AP |
90 | return branch_colors[ix]; |
91 | return ""; | |
92 | } | |
93 | ||
b8e9a00d | 94 | static int delete_branches(int argc, const char **argv, int force, int kinds) |
c31820c2 | 95 | { |
67affd51 | 96 | struct commit *rev, *head_rev = head_rev; |
c31820c2 | 97 | unsigned char sha1[20]; |
b8e9a00d | 98 | char *name = NULL; |
f3d985c3 | 99 | const char *fmt, *remote; |
c31820c2 | 100 | int i; |
b8e9a00d | 101 | int ret = 0; |
8415d5c7 | 102 | struct strbuf bname = STRBUF_INIT; |
c31820c2 | 103 | |
f3d985c3 JH |
104 | switch (kinds) { |
105 | case REF_REMOTE_BRANCH: | |
106 | fmt = "refs/remotes/%s"; | |
107 | remote = "remote "; | |
108 | force = 1; | |
109 | break; | |
110 | case REF_LOCAL_BRANCH: | |
111 | fmt = "refs/heads/%s"; | |
112 | remote = ""; | |
113 | break; | |
114 | default: | |
115 | die("cannot use -a with -d"); | |
116 | } | |
c31820c2 | 117 | |
67affd51 JH |
118 | if (!force) { |
119 | head_rev = lookup_commit_reference(head_sha1); | |
120 | if (!head_rev) | |
121 | die("Couldn't look up commit object for HEAD"); | |
122 | } | |
8415d5c7 | 123 | for (i = 0; i < argc; i++, strbuf_release(&bname)) { |
a552de75 | 124 | strbuf_branchname(&bname, argv[i]); |
8415d5c7 | 125 | if (kinds == REF_LOCAL_BRANCH && !strcmp(head, bname.buf)) { |
b8e9a00d | 126 | error("Cannot delete the branch '%s' " |
8415d5c7 | 127 | "which you are currently on.", bname.buf); |
b8e9a00d QT |
128 | ret = 1; |
129 | continue; | |
130 | } | |
131 | ||
8e0f7003 | 132 | free(name); |
c31820c2 | 133 | |
8415d5c7 | 134 | name = xstrdup(mkpath(fmt, bname.buf)); |
b8e9a00d QT |
135 | if (!resolve_ref(name, sha1, 1, NULL)) { |
136 | error("%sbranch '%s' not found.", | |
8415d5c7 | 137 | remote, bname.buf); |
b8e9a00d QT |
138 | ret = 1; |
139 | continue; | |
140 | } | |
c31820c2 LH |
141 | |
142 | rev = lookup_commit_reference(sha1); | |
b8e9a00d QT |
143 | if (!rev) { |
144 | error("Couldn't look up commit object for '%s'", name); | |
145 | ret = 1; | |
146 | continue; | |
147 | } | |
c31820c2 LH |
148 | |
149 | /* This checks whether the merge bases of branch and | |
150 | * HEAD contains branch -- which means that the HEAD | |
151 | * contains everything in both. | |
152 | */ | |
153 | ||
154 | if (!force && | |
03840fc3 | 155 | !in_merge_bases(rev, &head_rev, 1)) { |
00ae8289 | 156 | error("The branch '%s' is not an ancestor of " |
8415d5c7 JH |
157 | "your current HEAD.\n" |
158 | "If you are sure you want to delete it, " | |
159 | "run 'git branch -D %s'.", bname.buf, bname.buf); | |
b8e9a00d QT |
160 | ret = 1; |
161 | continue; | |
c31820c2 LH |
162 | } |
163 | ||
eca35a25 | 164 | if (delete_ref(name, sha1, 0)) { |
b8e9a00d | 165 | error("Error deleting %sbranch '%s'", remote, |
8415d5c7 | 166 | bname.buf); |
b8e9a00d | 167 | ret = 1; |
f1eccbab | 168 | } else { |
3c59c50d | 169 | struct strbuf buf = STRBUF_INIT; |
23fd723c | 170 | printf("Deleted %sbranch %s (was %s).\n", remote, |
8415d5c7 JH |
171 | bname.buf, |
172 | find_unique_abbrev(sha1, DEFAULT_ABBREV)); | |
173 | strbuf_addf(&buf, "branch.%s", bname.buf); | |
3c59c50d | 174 | if (git_config_rename_section(buf.buf, NULL) < 0) |
f1eccbab | 175 | warning("Update of config-file failed"); |
3c59c50d | 176 | strbuf_release(&buf); |
f1eccbab | 177 | } |
c31820c2 | 178 | } |
c31820c2 | 179 | |
8e0f7003 | 180 | free(name); |
b8e9a00d QT |
181 | |
182 | return(ret); | |
c31820c2 | 183 | } |
c31820c2 | 184 | |
bfcc9214 AP |
185 | struct ref_item { |
186 | char *name; | |
209d336a JS |
187 | char *dest; |
188 | unsigned int kind, len; | |
68067ca1 | 189 | struct commit *commit; |
bfcc9214 AP |
190 | }; |
191 | ||
192 | struct ref_list { | |
68067ca1 | 193 | struct rev_info revs; |
75e6e213 | 194 | int index, alloc, maxwidth; |
bfcc9214 | 195 | struct ref_item *list; |
694a5775 | 196 | struct commit_list *with_commit; |
bfcc9214 AP |
197 | int kinds; |
198 | }; | |
199 | ||
209d336a JS |
200 | static char *resolve_symref(const char *src, const char *prefix) |
201 | { | |
202 | unsigned char sha1[20]; | |
203 | int flag; | |
204 | const char *dst, *cp; | |
205 | ||
206 | dst = resolve_ref(src, sha1, 0, &flag); | |
207 | if (!(dst && (flag & REF_ISSYMREF))) | |
208 | return NULL; | |
209 | if (prefix && (cp = skip_prefix(dst, prefix))) | |
210 | dst = cp; | |
211 | return xstrdup(dst); | |
212 | } | |
213 | ||
bfcc9214 | 214 | static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) |
c31820c2 | 215 | { |
bfcc9214 AP |
216 | struct ref_list *ref_list = (struct ref_list*)(cb_data); |
217 | struct ref_item *newitem; | |
68067ca1 | 218 | struct commit *commit; |
209d336a JS |
219 | int kind, i; |
220 | const char *prefix, *orig_refname = refname; | |
221 | ||
222 | static struct { | |
223 | int kind; | |
224 | const char *prefix; | |
225 | int pfxlen; | |
226 | } ref_kind[] = { | |
227 | { REF_LOCAL_BRANCH, "refs/heads/", 11 }, | |
228 | { REF_REMOTE_BRANCH, "refs/remotes/", 13 }, | |
229 | }; | |
bfcc9214 AP |
230 | |
231 | /* Detect kind */ | |
209d336a JS |
232 | for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { |
233 | prefix = ref_kind[i].prefix; | |
234 | if (strncmp(refname, prefix, ref_kind[i].pfxlen)) | |
235 | continue; | |
236 | kind = ref_kind[i].kind; | |
237 | refname += ref_kind[i].pfxlen; | |
238 | break; | |
239 | } | |
240 | if (ARRAY_SIZE(ref_kind) <= i) | |
0f31d680 | 241 | return 0; |
bfcc9214 | 242 | |
68067ca1 JH |
243 | commit = lookup_commit_reference_gently(sha1, 1); |
244 | if (!commit) | |
245 | return error("branch '%s' does not point at a commit", refname); | |
246 | ||
694a5775 | 247 | /* Filter with with_commit if specified */ |
7fcdb36e | 248 | if (!is_descendant_of(commit, ref_list->with_commit)) |
694a5775 JH |
249 | return 0; |
250 | ||
bfcc9214 AP |
251 | /* Don't add types the caller doesn't want */ |
252 | if ((kind & ref_list->kinds) == 0) | |
253 | return 0; | |
254 | ||
346d437a | 255 | if (merge_filter != NO_FILTER) |
68067ca1 | 256 | add_pending_object(&ref_list->revs, |
346d437a | 257 | (struct object *)commit, refname); |
e8b404c2 | 258 | |
bfcc9214 AP |
259 | /* Resize buffer */ |
260 | if (ref_list->index >= ref_list->alloc) { | |
261 | ref_list->alloc = alloc_nr(ref_list->alloc); | |
262 | ref_list->list = xrealloc(ref_list->list, | |
263 | ref_list->alloc * sizeof(struct ref_item)); | |
c31820c2 LH |
264 | } |
265 | ||
bfcc9214 AP |
266 | /* Record the new item */ |
267 | newitem = &(ref_list->list[ref_list->index++]); | |
268 | newitem->name = xstrdup(refname); | |
269 | newitem->kind = kind; | |
68067ca1 | 270 | newitem->commit = commit; |
209d336a JS |
271 | newitem->len = strlen(refname); |
272 | newitem->dest = resolve_symref(orig_refname, prefix); | |
273 | /* adjust for "remotes/" */ | |
274 | if (newitem->kind == REF_REMOTE_BRANCH && | |
275 | ref_list->kinds != REF_REMOTE_BRANCH) | |
276 | newitem->len += 8; | |
277 | if (newitem->len > ref_list->maxwidth) | |
278 | ref_list->maxwidth = newitem->len; | |
c31820c2 LH |
279 | |
280 | return 0; | |
281 | } | |
282 | ||
bfcc9214 AP |
283 | static void free_ref_list(struct ref_list *ref_list) |
284 | { | |
285 | int i; | |
286 | ||
209d336a | 287 | for (i = 0; i < ref_list->index; i++) { |
bfcc9214 | 288 | free(ref_list->list[i].name); |
209d336a JS |
289 | free(ref_list->list[i].dest); |
290 | } | |
bfcc9214 AP |
291 | free(ref_list->list); |
292 | } | |
293 | ||
c31820c2 LH |
294 | static int ref_cmp(const void *r1, const void *r2) |
295 | { | |
bfcc9214 AP |
296 | struct ref_item *c1 = (struct ref_item *)(r1); |
297 | struct ref_item *c2 = (struct ref_item *)(r2); | |
298 | ||
299 | if (c1->kind != c2->kind) | |
300 | return c1->kind - c2->kind; | |
301 | return strcmp(c1->name, c2->name); | |
c31820c2 LH |
302 | } |
303 | ||
2d8a7f0b JK |
304 | static void fill_tracking_info(struct strbuf *stat, const char *branch_name, |
305 | int show_upstream_ref) | |
94fcb730 JH |
306 | { |
307 | int ours, theirs; | |
308 | struct branch *branch = branch_get(branch_name); | |
309 | ||
2d8a7f0b JK |
310 | if (!stat_tracking_info(branch, &ours, &theirs)) { |
311 | if (branch && branch->merge && branch->merge[0]->dst && | |
312 | show_upstream_ref) | |
313 | strbuf_addf(stat, "[%s] ", | |
6e7b3309 | 314 | shorten_unambiguous_ref(branch->merge[0]->dst, 0)); |
94fcb730 | 315 | return; |
2d8a7f0b JK |
316 | } |
317 | ||
318 | strbuf_addch(stat, '['); | |
319 | if (show_upstream_ref) | |
320 | strbuf_addf(stat, "%s: ", | |
6e7b3309 | 321 | shorten_unambiguous_ref(branch->merge[0]->dst, 0)); |
94fcb730 | 322 | if (!ours) |
2d8a7f0b | 323 | strbuf_addf(stat, "behind %d] ", theirs); |
94fcb730 | 324 | else if (!theirs) |
2d8a7f0b | 325 | strbuf_addf(stat, "ahead %d] ", ours); |
94fcb730 | 326 | else |
2d8a7f0b | 327 | strbuf_addf(stat, "ahead %d, behind %d] ", ours, theirs); |
94fcb730 JH |
328 | } |
329 | ||
7950cda7 LH |
330 | static int matches_merge_filter(struct commit *commit) |
331 | { | |
332 | int is_merged; | |
333 | ||
334 | if (merge_filter == NO_FILTER) | |
335 | return 1; | |
336 | ||
337 | is_merged = !!(commit->object.flags & UNINTERESTING); | |
338 | return (is_merged == (merge_filter == SHOW_MERGED)); | |
339 | } | |
340 | ||
af0e4ac0 | 341 | static void print_ref_item(struct ref_item *item, int maxwidth, int verbose, |
209d336a | 342 | int abbrev, int current, char *prefix) |
75e6e213 | 343 | { |
af0e4ac0 LH |
344 | char c; |
345 | int color; | |
68067ca1 | 346 | struct commit *commit = item->commit; |
209d336a | 347 | struct strbuf out = STRBUF_INIT, name = STRBUF_INIT; |
68067ca1 | 348 | |
7950cda7 LH |
349 | if (!matches_merge_filter(commit)) |
350 | return; | |
75e6e213 | 351 | |
af0e4ac0 LH |
352 | switch (item->kind) { |
353 | case REF_LOCAL_BRANCH: | |
74bb2dfb | 354 | color = BRANCH_COLOR_LOCAL; |
af0e4ac0 LH |
355 | break; |
356 | case REF_REMOTE_BRANCH: | |
74bb2dfb | 357 | color = BRANCH_COLOR_REMOTE; |
af0e4ac0 LH |
358 | break; |
359 | default: | |
74bb2dfb | 360 | color = BRANCH_COLOR_PLAIN; |
af0e4ac0 LH |
361 | break; |
362 | } | |
75e6e213 | 363 | |
af0e4ac0 LH |
364 | c = ' '; |
365 | if (current) { | |
366 | c = '*'; | |
74bb2dfb | 367 | color = BRANCH_COLOR_CURRENT; |
af0e4ac0 | 368 | } |
75e6e213 | 369 | |
209d336a JS |
370 | strbuf_addf(&name, "%s%s", prefix, item->name); |
371 | if (verbose) | |
372 | strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color), | |
373 | maxwidth, name.buf, | |
81474267 | 374 | branch_get_color(BRANCH_COLOR_RESET)); |
209d336a JS |
375 | else |
376 | strbuf_addf(&out, "%c %s%s%s", c, branch_get_color(color), | |
81474267 | 377 | name.buf, branch_get_color(BRANCH_COLOR_RESET)); |
209d336a JS |
378 | |
379 | if (item->dest) | |
380 | strbuf_addf(&out, " -> %s", item->dest); | |
381 | else if (verbose) { | |
d3f9f9a9 | 382 | struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT; |
80583c0e | 383 | const char *sub = " **** invalid ref ****"; |
674d1727 | 384 | |
68067ca1 | 385 | commit = item->commit; |
80583c0e | 386 | if (commit && !parse_commit(commit)) { |
674d1727 | 387 | pretty_print_commit(CMIT_FMT_ONELINE, commit, |
4593fb84 | 388 | &subject, 0, NULL, NULL, 0, 0); |
674d1727 | 389 | sub = subject.buf; |
80583c0e | 390 | } |
94fcb730 JH |
391 | |
392 | if (item->kind == REF_LOCAL_BRANCH) | |
2d8a7f0b | 393 | fill_tracking_info(&stat, item->name, verbose > 1); |
94fcb730 | 394 | |
209d336a JS |
395 | strbuf_addf(&out, " %s %s%s", |
396 | find_unique_abbrev(item->commit->object.sha1, abbrev), | |
397 | stat.buf, sub); | |
d3f9f9a9 | 398 | strbuf_release(&stat); |
674d1727 | 399 | strbuf_release(&subject); |
af0e4ac0 | 400 | } |
209d336a JS |
401 | printf("%s\n", out.buf); |
402 | strbuf_release(&name); | |
403 | strbuf_release(&out); | |
75e6e213 LH |
404 | } |
405 | ||
b6f637d1 LH |
406 | static int calc_maxwidth(struct ref_list *refs) |
407 | { | |
209d336a | 408 | int i, w = 0; |
b6f637d1 LH |
409 | for (i = 0; i < refs->index; i++) { |
410 | if (!matches_merge_filter(refs->list[i].commit)) | |
411 | continue; | |
209d336a JS |
412 | if (refs->list[i].len > w) |
413 | w = refs->list[i].len; | |
b6f637d1 LH |
414 | } |
415 | return w; | |
416 | } | |
417 | ||
694a5775 | 418 | static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit) |
c31820c2 LH |
419 | { |
420 | int i; | |
bfcc9214 | 421 | struct ref_list ref_list; |
68067ca1 | 422 | struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1); |
c31820c2 | 423 | |
bfcc9214 AP |
424 | memset(&ref_list, 0, sizeof(ref_list)); |
425 | ref_list.kinds = kinds; | |
694a5775 | 426 | ref_list.with_commit = with_commit; |
68067ca1 JH |
427 | if (merge_filter != NO_FILTER) |
428 | init_revisions(&ref_list.revs, NULL); | |
bfcc9214 | 429 | for_each_ref(append_ref, &ref_list); |
68067ca1 JH |
430 | if (merge_filter != NO_FILTER) { |
431 | struct commit *filter; | |
432 | filter = lookup_commit_reference_gently(merge_filter_ref, 0); | |
433 | filter->object.flags |= UNINTERESTING; | |
434 | add_pending_object(&ref_list.revs, | |
435 | (struct object *) filter, ""); | |
436 | ref_list.revs.limited = 1; | |
437 | prepare_revision_walk(&ref_list.revs); | |
b6f637d1 LH |
438 | if (verbose) |
439 | ref_list.maxwidth = calc_maxwidth(&ref_list); | |
68067ca1 | 440 | } |
c31820c2 | 441 | |
bfcc9214 | 442 | qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp); |
c31820c2 | 443 | |
0016a482 | 444 | detached = (detached && (kinds & REF_LOCAL_BRANCH)); |
7fcdb36e JG |
445 | if (detached && head_commit && |
446 | is_descendant_of(head_commit, with_commit)) { | |
0016a482 | 447 | struct ref_item item; |
3a55602e | 448 | item.name = xstrdup("(no branch)"); |
45e2b614 | 449 | item.len = strlen(item.name); |
0016a482 | 450 | item.kind = REF_LOCAL_BRANCH; |
45e2b614 | 451 | item.dest = NULL; |
68067ca1 | 452 | item.commit = head_commit; |
66648ad7 JK |
453 | if (item.len > ref_list.maxwidth) |
454 | ref_list.maxwidth = item.len; | |
209d336a | 455 | print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1, ""); |
3a55602e | 456 | free(item.name); |
0016a482 LH |
457 | } |
458 | ||
bfcc9214 | 459 | for (i = 0; i < ref_list.index; i++) { |
0016a482 LH |
460 | int current = !detached && |
461 | (ref_list.list[i].kind == REF_LOCAL_BRANCH) && | |
af0e4ac0 | 462 | !strcmp(ref_list.list[i].name, head); |
209d336a JS |
463 | char *prefix = (kinds != REF_REMOTE_BRANCH && |
464 | ref_list.list[i].kind == REF_REMOTE_BRANCH) | |
465 | ? "remotes/" : ""; | |
af0e4ac0 | 466 | print_ref_item(&ref_list.list[i], ref_list.maxwidth, verbose, |
209d336a | 467 | abbrev, current, prefix); |
c31820c2 | 468 | } |
bfcc9214 AP |
469 | |
470 | free_ref_list(&ref_list); | |
c31820c2 LH |
471 | } |
472 | ||
c976d415 LH |
473 | static void rename_branch(const char *oldname, const char *newname, int force) |
474 | { | |
da3f78a2 | 475 | struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT; |
c976d415 | 476 | unsigned char sha1[20]; |
da3f78a2 | 477 | struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT; |
cbdffe40 | 478 | int recovery = 0; |
c976d415 | 479 | |
c847f537 | 480 | if (!oldname) |
3dff5379 | 481 | die("cannot rename the current branch while not on any."); |
c847f537 | 482 | |
cbdffe40 JH |
483 | if (strbuf_check_branch_ref(&oldref, oldname)) { |
484 | /* | |
485 | * Bad name --- this could be an attempt to rename a | |
486 | * ref that we used to allow to be created by accident. | |
487 | */ | |
488 | if (resolve_ref(oldref.buf, sha1, 1, NULL)) | |
489 | recovery = 1; | |
490 | else | |
491 | die("Invalid branch name: '%s'", oldname); | |
492 | } | |
c976d415 | 493 | |
a2fab531 | 494 | if (strbuf_check_branch_ref(&newref, newname)) |
03d3aada | 495 | die("Invalid branch name: '%s'", newname); |
c976d415 | 496 | |
da3f78a2 | 497 | if (resolve_ref(newref.buf, sha1, 1, NULL) && !force) |
03d3aada | 498 | die("A branch named '%s' already exists.", newref.buf + 11); |
c976d415 | 499 | |
da3f78a2 MV |
500 | strbuf_addf(&logmsg, "Branch: renamed %s to %s", |
501 | oldref.buf, newref.buf); | |
678d0f4c | 502 | |
da3f78a2 | 503 | if (rename_ref(oldref.buf, newref.buf, logmsg.buf)) |
c976d415 | 504 | die("Branch rename failed"); |
da3f78a2 | 505 | strbuf_release(&logmsg); |
c976d415 | 506 | |
cbdffe40 JH |
507 | if (recovery) |
508 | warning("Renamed a misnamed branch '%s' away", oldref.buf + 11); | |
509 | ||
8b5157e4 | 510 | /* no need to pass logmsg here as HEAD didn't really move */ |
da3f78a2 | 511 | if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL)) |
c976d415 | 512 | die("Branch renamed to %s, but HEAD is not updated!", newname); |
19eba151 | 513 | |
da3f78a2 MV |
514 | strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11); |
515 | strbuf_release(&oldref); | |
516 | strbuf_addf(&newsection, "branch.%s", newref.buf + 11); | |
517 | strbuf_release(&newref); | |
518 | if (git_config_rename_section(oldsection.buf, newsection.buf) < 0) | |
19eba151 | 519 | die("Branch is renamed, but update of config-file failed"); |
da3f78a2 MV |
520 | strbuf_release(&oldsection); |
521 | strbuf_release(&newsection); | |
c976d415 LH |
522 | } |
523 | ||
049716b3 JH |
524 | static int opt_parse_merge_filter(const struct option *opt, const char *arg, int unset) |
525 | { | |
526 | merge_filter = ((opt->long_name[0] == 'n') | |
527 | ? SHOW_NOT_MERGED | |
528 | : SHOW_MERGED); | |
529 | if (unset) | |
530 | merge_filter = SHOW_NOT_MERGED; /* b/c for --no-merged */ | |
531 | if (!arg) | |
532 | arg = "HEAD"; | |
533 | if (get_sha1(arg, merge_filter_ref)) | |
534 | die("malformed object name %s", arg); | |
535 | return 0; | |
536 | } | |
537 | ||
c31820c2 LH |
538 | int cmd_branch(int argc, const char **argv, const char *prefix) |
539 | { | |
d11d44fa | 540 | int delete = 0, rename = 0, force_create = 0; |
0016a482 | 541 | int verbose = 0, abbrev = DEFAULT_ABBREV, detached = 0; |
9ed36cfa JS |
542 | int reflog = 0; |
543 | enum branch_track track; | |
d11d44fa | 544 | int kinds = REF_LOCAL_BRANCH; |
694a5775 | 545 | struct commit_list *with_commit = NULL; |
a8dfd5ea PH |
546 | |
547 | struct option options[] = { | |
548 | OPT_GROUP("Generic options"), | |
549 | OPT__VERBOSE(&verbose), | |
9ed36cfa JS |
550 | OPT_SET_INT( 0 , "track", &track, "set up tracking mode (see git-pull(1))", |
551 | BRANCH_TRACK_EXPLICIT), | |
a8dfd5ea | 552 | OPT_BOOLEAN( 0 , "color", &branch_use_color, "use colored output"), |
d11d44fa PH |
553 | OPT_SET_INT('r', NULL, &kinds, "act on remote-tracking branches", |
554 | REF_REMOTE_BRANCH), | |
e84fb2ff JH |
555 | { |
556 | OPTION_CALLBACK, 0, "contains", &with_commit, "commit", | |
557 | "print only branches that contain the commit", | |
558 | PARSE_OPT_LASTARG_DEFAULT, | |
269defdf | 559 | parse_opt_with_commit, (intptr_t)"HEAD", |
e84fb2ff | 560 | }, |
694a5775 JH |
561 | { |
562 | OPTION_CALLBACK, 0, "with", &with_commit, "commit", | |
563 | "print only branches that contain the commit", | |
e84fb2ff | 564 | PARSE_OPT_HIDDEN | PARSE_OPT_LASTARG_DEFAULT, |
269defdf | 565 | parse_opt_with_commit, (intptr_t) "HEAD", |
694a5775 | 566 | }, |
a8dfd5ea PH |
567 | OPT__ABBREV(&abbrev), |
568 | ||
569 | OPT_GROUP("Specific git-branch actions:"), | |
d11d44fa PH |
570 | OPT_SET_INT('a', NULL, &kinds, "list both remote-tracking and local branches", |
571 | REF_REMOTE_BRANCH | REF_LOCAL_BRANCH), | |
572 | OPT_BIT('d', NULL, &delete, "delete fully merged branch", 1), | |
573 | OPT_BIT('D', NULL, &delete, "delete branch (even if not merged)", 2), | |
574 | OPT_BIT('m', NULL, &rename, "move/rename a branch and its reflog", 1), | |
575 | OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2), | |
576 | OPT_BOOLEAN('l', NULL, &reflog, "create the branch's reflog"), | |
577 | OPT_BOOLEAN('f', NULL, &force_create, "force creation (when already exists)"), | |
049716b3 JH |
578 | { |
579 | OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref, | |
580 | "commit", "print only not merged branches", | |
581 | PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, | |
582 | opt_parse_merge_filter, (intptr_t) "HEAD", | |
583 | }, | |
584 | { | |
585 | OPTION_CALLBACK, 0, "merged", &merge_filter_ref, | |
586 | "commit", "print only merged branches", | |
587 | PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, | |
588 | opt_parse_merge_filter, (intptr_t) "HEAD", | |
589 | }, | |
a8dfd5ea PH |
590 | OPT_END(), |
591 | }; | |
c31820c2 | 592 | |
ef90d6d4 | 593 | git_config(git_branch_config, NULL); |
6b2f2d98 MK |
594 | |
595 | if (branch_use_color == -1) | |
596 | branch_use_color = git_use_color_default; | |
597 | ||
9ed36cfa | 598 | track = git_branch_track; |
c976d415 | 599 | |
078f8380 | 600 | head = resolve_ref("HEAD", head_sha1, 0, NULL); |
c31820c2 LH |
601 | if (!head) |
602 | die("Failed to resolve HEAD as a valid ref."); | |
078f8380 | 603 | head = xstrdup(head); |
0016a482 LH |
604 | if (!strcmp(head, "HEAD")) { |
605 | detached = 1; | |
a8dfd5ea | 606 | } else { |
cc44c765 | 607 | if (prefixcmp(head, "refs/heads/")) |
0016a482 LH |
608 | die("HEAD not found below refs/heads!"); |
609 | head += 11; | |
610 | } | |
049716b3 JH |
611 | hashcpy(merge_filter_ref, head_sha1); |
612 | ||
613 | argc = parse_options(argc, argv, options, builtin_branch_usage, 0); | |
614 | if (!!delete + !!rename + !!force_create > 1) | |
615 | usage_with_options(builtin_branch_usage, options); | |
c31820c2 LH |
616 | |
617 | if (delete) | |
d11d44fa | 618 | return delete_branches(argc, argv, delete > 1, kinds); |
a8dfd5ea | 619 | else if (argc == 0) |
694a5775 | 620 | print_ref_list(kinds, detached, verbose, abbrev, with_commit); |
a8dfd5ea | 621 | else if (rename && (argc == 1)) |
d11d44fa | 622 | rename_branch(head, argv[0], rename > 1); |
a8dfd5ea | 623 | else if (rename && (argc == 2)) |
d11d44fa | 624 | rename_branch(argv[0], argv[1], rename > 1); |
a8dfd5ea | 625 | else if (argc <= 2) |
e496c003 | 626 | create_branch(head, argv[0], (argc == 2) ? argv[1] : head, |
45994a1e | 627 | force_create, reflog, track); |
c31820c2 | 628 | else |
a8dfd5ea | 629 | usage_with_options(builtin_branch_usage, options); |
c31820c2 LH |
630 | |
631 | return 0; | |
632 | } |