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c95b7585 KN |
1 | #include "builtin.h" |
2 | #include "cache.h" | |
3 | #include "parse-options.h" | |
4 | #include "refs.h" | |
5 | #include "wildmatch.h" | |
6 | #include "commit.h" | |
7 | #include "remote.h" | |
8 | #include "color.h" | |
9 | #include "tag.h" | |
10 | #include "quote.h" | |
11 | #include "ref-filter.h" | |
35257aa0 | 12 | #include "revision.h" |
ce592082 | 13 | #include "utf8.h" |
90c00408 KN |
14 | #include "git-compat-util.h" |
15 | #include "version.h" | |
c95b7585 KN |
16 | |
17 | typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type; | |
18 | ||
5bd881d9 KN |
19 | struct align { |
20 | align_type position; | |
21 | unsigned int width; | |
22 | }; | |
23 | ||
50cd83dc KN |
24 | /* |
25 | * An atom is a valid field atom listed below, possibly prefixed with | |
26 | * a "*" to denote deref_tag(). | |
27 | * | |
28 | * We parse given format string and sort specifiers, and make a list | |
29 | * of properties that we need to extract out of objects. ref_array_item | |
30 | * structure will hold an array of values extracted that can be | |
31 | * indexed with the "atom number", which is an index into this | |
32 | * array. | |
33 | */ | |
b072add7 KN |
34 | static struct used_atom { |
35 | const char *name; | |
36 | cmp_type type; | |
fd935cc7 KN |
37 | union { |
38 | char color[COLOR_MAXLEN]; | |
5bd881d9 | 39 | struct align align; |
5339bdad KN |
40 | enum { RR_NORMAL, RR_SHORTEN, RR_TRACK, RR_TRACKSHORT } |
41 | remote_ref; | |
452db397 KN |
42 | struct { |
43 | enum { C_BARE, C_BODY, C_BODY_DEP, C_LINES, C_SIG, C_SUB } option; | |
44 | unsigned int nlines; | |
45 | } contents; | |
fe63c4d1 | 46 | enum { O_FULL, O_SHORT } objectname; |
fd935cc7 | 47 | } u; |
b072add7 | 48 | } *used_atom; |
50cd83dc KN |
49 | static int used_atom_cnt, need_tagged, need_symref; |
50 | static int need_color_reset_at_eol; | |
51 | ||
fd935cc7 KN |
52 | static void color_atom_parser(struct used_atom *atom, const char *color_value) |
53 | { | |
54 | if (!color_value) | |
55 | die(_("expected format: %%(color:<color>)")); | |
56 | if (color_parse(color_value, atom->u.color) < 0) | |
57 | die(_("unrecognized color: %%(color:%s)"), color_value); | |
58 | } | |
59 | ||
5339bdad KN |
60 | static void remote_ref_atom_parser(struct used_atom *atom, const char *arg) |
61 | { | |
62 | if (!arg) | |
63 | atom->u.remote_ref = RR_NORMAL; | |
64 | else if (!strcmp(arg, "short")) | |
65 | atom->u.remote_ref = RR_SHORTEN; | |
66 | else if (!strcmp(arg, "track")) | |
67 | atom->u.remote_ref = RR_TRACK; | |
68 | else if (!strcmp(arg, "trackshort")) | |
69 | atom->u.remote_ref = RR_TRACKSHORT; | |
70 | else | |
71 | die(_("unrecognized format: %%(%s)"), atom->name); | |
72 | } | |
73 | ||
452db397 KN |
74 | static void body_atom_parser(struct used_atom *atom, const char *arg) |
75 | { | |
76 | if (arg) | |
1823c619 | 77 | die(_("%%(body) does not take arguments")); |
452db397 KN |
78 | atom->u.contents.option = C_BODY_DEP; |
79 | } | |
80 | ||
81 | static void subject_atom_parser(struct used_atom *atom, const char *arg) | |
82 | { | |
83 | if (arg) | |
1823c619 | 84 | die(_("%%(subject) does not take arguments")); |
452db397 KN |
85 | atom->u.contents.option = C_SUB; |
86 | } | |
87 | ||
88 | static void contents_atom_parser(struct used_atom *atom, const char *arg) | |
89 | { | |
90 | if (!arg) | |
91 | atom->u.contents.option = C_BARE; | |
92 | else if (!strcmp(arg, "body")) | |
93 | atom->u.contents.option = C_BODY; | |
94 | else if (!strcmp(arg, "signature")) | |
95 | atom->u.contents.option = C_SIG; | |
96 | else if (!strcmp(arg, "subject")) | |
97 | atom->u.contents.option = C_SUB; | |
98 | else if (skip_prefix(arg, "lines=", &arg)) { | |
99 | atom->u.contents.option = C_LINES; | |
100 | if (strtoul_ui(arg, 10, &atom->u.contents.nlines)) | |
101 | die(_("positive value expected contents:lines=%s"), arg); | |
102 | } else | |
103 | die(_("unrecognized %%(contents) argument: %s"), arg); | |
104 | } | |
105 | ||
fe63c4d1 KN |
106 | static void objectname_atom_parser(struct used_atom *atom, const char *arg) |
107 | { | |
108 | if (!arg) | |
109 | atom->u.objectname = O_FULL; | |
110 | else if (!strcmp(arg, "short")) | |
111 | atom->u.objectname = O_SHORT; | |
112 | else | |
113 | die(_("unrecognized %%(objectname) argument: %s"), arg); | |
114 | } | |
115 | ||
25a8d79e KN |
116 | static align_type parse_align_position(const char *s) |
117 | { | |
118 | if (!strcmp(s, "right")) | |
119 | return ALIGN_RIGHT; | |
120 | else if (!strcmp(s, "middle")) | |
121 | return ALIGN_MIDDLE; | |
122 | else if (!strcmp(s, "left")) | |
123 | return ALIGN_LEFT; | |
124 | return -1; | |
125 | } | |
126 | ||
5bd881d9 KN |
127 | static void align_atom_parser(struct used_atom *atom, const char *arg) |
128 | { | |
129 | struct align *align = &atom->u.align; | |
130 | struct string_list params = STRING_LIST_INIT_DUP; | |
131 | int i; | |
132 | unsigned int width = ~0U; | |
133 | ||
134 | if (!arg) | |
135 | die(_("expected format: %%(align:<width>,<position>)")); | |
136 | ||
137 | align->position = ALIGN_LEFT; | |
138 | ||
139 | string_list_split(¶ms, arg, ',', -1); | |
140 | for (i = 0; i < params.nr; i++) { | |
141 | const char *s = params.items[i].string; | |
142 | int position; | |
143 | ||
395fb8f9 KN |
144 | if (skip_prefix(s, "position=", &s)) { |
145 | position = parse_align_position(s); | |
146 | if (position < 0) | |
147 | die(_("unrecognized position:%s"), s); | |
148 | align->position = position; | |
149 | } else if (skip_prefix(s, "width=", &s)) { | |
150 | if (strtoul_ui(s, 10, &width)) | |
151 | die(_("unrecognized width:%s"), s); | |
152 | } else if (!strtoul_ui(s, 10, &width)) | |
5bd881d9 KN |
153 | ; |
154 | else if ((position = parse_align_position(s)) >= 0) | |
155 | align->position = position; | |
156 | else | |
157 | die(_("unrecognized %%(align) argument: %s"), s); | |
158 | } | |
159 | ||
160 | if (width == ~0U) | |
161 | die(_("positive width expected with the %%(align) atom")); | |
162 | align->width = width; | |
163 | string_list_clear(¶ms, 0); | |
164 | } | |
165 | ||
c95b7585 KN |
166 | static struct { |
167 | const char *name; | |
168 | cmp_type cmp_type; | |
4de707ea | 169 | void (*parser)(struct used_atom *atom, const char *arg); |
c95b7585 KN |
170 | } valid_atom[] = { |
171 | { "refname" }, | |
172 | { "objecttype" }, | |
173 | { "objectsize", FIELD_ULONG }, | |
fe63c4d1 | 174 | { "objectname", FIELD_STR, objectname_atom_parser }, |
c95b7585 KN |
175 | { "tree" }, |
176 | { "parent" }, | |
177 | { "numparent", FIELD_ULONG }, | |
178 | { "object" }, | |
179 | { "type" }, | |
180 | { "tag" }, | |
181 | { "author" }, | |
182 | { "authorname" }, | |
183 | { "authoremail" }, | |
184 | { "authordate", FIELD_TIME }, | |
185 | { "committer" }, | |
186 | { "committername" }, | |
187 | { "committeremail" }, | |
188 | { "committerdate", FIELD_TIME }, | |
189 | { "tagger" }, | |
190 | { "taggername" }, | |
191 | { "taggeremail" }, | |
192 | { "taggerdate", FIELD_TIME }, | |
193 | { "creator" }, | |
194 | { "creatordate", FIELD_TIME }, | |
452db397 KN |
195 | { "subject", FIELD_STR, subject_atom_parser }, |
196 | { "body", FIELD_STR, body_atom_parser }, | |
197 | { "contents", FIELD_STR, contents_atom_parser }, | |
5339bdad KN |
198 | { "upstream", FIELD_STR, remote_ref_atom_parser }, |
199 | { "push", FIELD_STR, remote_ref_atom_parser }, | |
c95b7585 KN |
200 | { "symref" }, |
201 | { "flag" }, | |
202 | { "HEAD" }, | |
fd935cc7 | 203 | { "color", FIELD_STR, color_atom_parser }, |
5bd881d9 | 204 | { "align", FIELD_STR, align_atom_parser }, |
ce592082 | 205 | { "end" }, |
c95b7585 KN |
206 | }; |
207 | ||
574e96a2 KN |
208 | #define REF_FORMATTING_STATE_INIT { 0, NULL } |
209 | ||
210 | struct ref_formatting_stack { | |
211 | struct ref_formatting_stack *prev; | |
212 | struct strbuf output; | |
ce592082 KN |
213 | void (*at_end)(struct ref_formatting_stack *stack); |
214 | void *at_end_data; | |
574e96a2 KN |
215 | }; |
216 | ||
217 | struct ref_formatting_state { | |
218 | int quote_style; | |
219 | struct ref_formatting_stack *stack; | |
220 | }; | |
221 | ||
3a25761a KN |
222 | struct atom_value { |
223 | const char *s; | |
ce592082 KN |
224 | union { |
225 | struct align align; | |
226 | } u; | |
63d89fbc | 227 | void (*handler)(struct atom_value *atomv, struct ref_formatting_state *state); |
3a25761a KN |
228 | unsigned long ul; /* used for sorting when not FIELD_STR */ |
229 | }; | |
230 | ||
c95b7585 KN |
231 | /* |
232 | * Used to parse format string and sort specifiers | |
233 | */ | |
234 | int parse_ref_filter_atom(const char *atom, const char *ep) | |
235 | { | |
236 | const char *sp; | |
4de707ea | 237 | const char *arg; |
c95b7585 KN |
238 | int i, at; |
239 | ||
240 | sp = atom; | |
241 | if (*sp == '*' && sp < ep) | |
242 | sp++; /* deref */ | |
243 | if (ep <= sp) | |
1823c619 | 244 | die(_("malformed field name: %.*s"), (int)(ep-atom), atom); |
c95b7585 KN |
245 | |
246 | /* Do we have the atom already used elsewhere? */ | |
247 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 KN |
248 | int len = strlen(used_atom[i].name); |
249 | if (len == ep - atom && !memcmp(used_atom[i].name, atom, len)) | |
c95b7585 KN |
250 | return i; |
251 | } | |
252 | ||
253 | /* Is the atom a valid one? */ | |
254 | for (i = 0; i < ARRAY_SIZE(valid_atom); i++) { | |
255 | int len = strlen(valid_atom[i].name); | |
4de707ea | 256 | |
c95b7585 KN |
257 | /* |
258 | * If the atom name has a colon, strip it and everything after | |
259 | * it off - it specifies the format for this entry, and | |
260 | * shouldn't be used for checking against the valid_atom | |
261 | * table. | |
262 | */ | |
4de707ea KN |
263 | arg = memchr(sp, ':', ep - sp); |
264 | if (len == (arg ? arg : ep) - sp && | |
265 | !memcmp(valid_atom[i].name, sp, len)) | |
c95b7585 KN |
266 | break; |
267 | } | |
268 | ||
269 | if (ARRAY_SIZE(valid_atom) <= i) | |
1823c619 | 270 | die(_("unknown field name: %.*s"), (int)(ep-atom), atom); |
c95b7585 KN |
271 | |
272 | /* Add it in, including the deref prefix */ | |
273 | at = used_atom_cnt; | |
274 | used_atom_cnt++; | |
275 | REALLOC_ARRAY(used_atom, used_atom_cnt); | |
b072add7 KN |
276 | used_atom[at].name = xmemdupz(atom, ep - atom); |
277 | used_atom[at].type = valid_atom[i].cmp_type; | |
4de707ea KN |
278 | if (arg) |
279 | arg = used_atom[at].name + (arg - atom) + 1; | |
fd935cc7 | 280 | memset(&used_atom[at].u, 0, sizeof(used_atom[at].u)); |
4de707ea KN |
281 | if (valid_atom[i].parser) |
282 | valid_atom[i].parser(&used_atom[at], arg); | |
c95b7585 KN |
283 | if (*atom == '*') |
284 | need_tagged = 1; | |
b072add7 | 285 | if (!strcmp(used_atom[at].name, "symref")) |
c95b7585 KN |
286 | need_symref = 1; |
287 | return at; | |
288 | } | |
289 | ||
63d89fbc KN |
290 | static void quote_formatting(struct strbuf *s, const char *str, int quote_style) |
291 | { | |
292 | switch (quote_style) { | |
293 | case QUOTE_NONE: | |
294 | strbuf_addstr(s, str); | |
295 | break; | |
296 | case QUOTE_SHELL: | |
297 | sq_quote_buf(s, str); | |
298 | break; | |
299 | case QUOTE_PERL: | |
300 | perl_quote_buf(s, str); | |
301 | break; | |
302 | case QUOTE_PYTHON: | |
303 | python_quote_buf(s, str); | |
304 | break; | |
305 | case QUOTE_TCL: | |
306 | tcl_quote_buf(s, str); | |
307 | break; | |
308 | } | |
309 | } | |
310 | ||
311 | static void append_atom(struct atom_value *v, struct ref_formatting_state *state) | |
312 | { | |
ce592082 KN |
313 | /* |
314 | * Quote formatting is only done when the stack has a single | |
315 | * element. Otherwise quote formatting is done on the | |
316 | * element's entire output strbuf when the %(end) atom is | |
317 | * encountered. | |
318 | */ | |
319 | if (!state->stack->prev) | |
320 | quote_formatting(&state->stack->output, v->s, state->quote_style); | |
321 | else | |
322 | strbuf_addstr(&state->stack->output, v->s); | |
63d89fbc KN |
323 | } |
324 | ||
574e96a2 KN |
325 | static void push_stack_element(struct ref_formatting_stack **stack) |
326 | { | |
327 | struct ref_formatting_stack *s = xcalloc(1, sizeof(struct ref_formatting_stack)); | |
328 | ||
329 | strbuf_init(&s->output, 0); | |
330 | s->prev = *stack; | |
331 | *stack = s; | |
332 | } | |
333 | ||
334 | static void pop_stack_element(struct ref_formatting_stack **stack) | |
335 | { | |
336 | struct ref_formatting_stack *current = *stack; | |
337 | struct ref_formatting_stack *prev = current->prev; | |
338 | ||
339 | if (prev) | |
340 | strbuf_addbuf(&prev->output, ¤t->output); | |
341 | strbuf_release(¤t->output); | |
342 | free(current); | |
343 | *stack = prev; | |
344 | } | |
345 | ||
ce592082 KN |
346 | static void end_align_handler(struct ref_formatting_stack *stack) |
347 | { | |
348 | struct align *align = (struct align *)stack->at_end_data; | |
349 | struct strbuf s = STRBUF_INIT; | |
350 | ||
351 | strbuf_utf8_align(&s, align->position, align->width, stack->output.buf); | |
352 | strbuf_swap(&stack->output, &s); | |
353 | strbuf_release(&s); | |
354 | } | |
355 | ||
356 | static void align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state) | |
357 | { | |
358 | struct ref_formatting_stack *new; | |
359 | ||
360 | push_stack_element(&state->stack); | |
361 | new = state->stack; | |
362 | new->at_end = end_align_handler; | |
363 | new->at_end_data = &atomv->u.align; | |
364 | } | |
365 | ||
366 | static void end_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state) | |
367 | { | |
368 | struct ref_formatting_stack *current = state->stack; | |
369 | struct strbuf s = STRBUF_INIT; | |
370 | ||
371 | if (!current->at_end) | |
372 | die(_("format: %%(end) atom used without corresponding atom")); | |
373 | current->at_end(current); | |
374 | ||
375 | /* | |
376 | * Perform quote formatting when the stack element is that of | |
377 | * a supporting atom. If nested then perform quote formatting | |
378 | * only on the topmost supporting atom. | |
379 | */ | |
380 | if (!state->stack->prev->prev) { | |
381 | quote_formatting(&s, current->output.buf, state->quote_style); | |
382 | strbuf_swap(¤t->output, &s); | |
383 | } | |
384 | strbuf_release(&s); | |
385 | pop_stack_element(&state->stack); | |
386 | } | |
387 | ||
c95b7585 KN |
388 | /* |
389 | * In a format string, find the next occurrence of %(atom). | |
390 | */ | |
391 | static const char *find_next(const char *cp) | |
392 | { | |
393 | while (*cp) { | |
394 | if (*cp == '%') { | |
395 | /* | |
396 | * %( is the start of an atom; | |
397 | * %% is a quoted per-cent. | |
398 | */ | |
399 | if (cp[1] == '(') | |
400 | return cp; | |
401 | else if (cp[1] == '%') | |
402 | cp++; /* skip over two % */ | |
403 | /* otherwise this is a singleton, literal % */ | |
404 | } | |
405 | cp++; | |
406 | } | |
407 | return NULL; | |
408 | } | |
409 | ||
410 | /* | |
411 | * Make sure the format string is well formed, and parse out | |
412 | * the used atoms. | |
413 | */ | |
414 | int verify_ref_format(const char *format) | |
415 | { | |
416 | const char *cp, *sp; | |
417 | ||
418 | need_color_reset_at_eol = 0; | |
419 | for (cp = format; *cp && (sp = find_next(cp)); ) { | |
420 | const char *color, *ep = strchr(sp, ')'); | |
421 | int at; | |
422 | ||
423 | if (!ep) | |
1823c619 | 424 | return error(_("malformed format string %s"), sp); |
c95b7585 KN |
425 | /* sp points at "%(" and ep points at the closing ")" */ |
426 | at = parse_ref_filter_atom(sp + 2, ep); | |
427 | cp = ep + 1; | |
428 | ||
b072add7 | 429 | if (skip_prefix(used_atom[at].name, "color:", &color)) |
c95b7585 KN |
430 | need_color_reset_at_eol = !!strcmp(color, "reset"); |
431 | } | |
432 | return 0; | |
433 | } | |
434 | ||
435 | /* | |
436 | * Given an object name, read the object data and size, and return a | |
437 | * "struct object". If the object data we are returning is also borrowed | |
438 | * by the "struct object" representation, set *eaten as well---it is a | |
439 | * signal from parse_object_buffer to us not to free the buffer. | |
440 | */ | |
441 | static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten) | |
442 | { | |
443 | enum object_type type; | |
444 | void *buf = read_sha1_file(sha1, &type, sz); | |
445 | ||
446 | if (buf) | |
447 | *obj = parse_object_buffer(sha1, type, *sz, buf, eaten); | |
448 | else | |
449 | *obj = NULL; | |
450 | return buf; | |
451 | } | |
452 | ||
453 | static int grab_objectname(const char *name, const unsigned char *sha1, | |
fe63c4d1 | 454 | struct atom_value *v, struct used_atom *atom) |
c95b7585 | 455 | { |
fe63c4d1 KN |
456 | if (starts_with(name, "objectname")) { |
457 | if (atom->u.objectname == O_SHORT) { | |
458 | v->s = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV)); | |
459 | return 1; | |
460 | } else if (atom->u.objectname == O_FULL) { | |
461 | v->s = xstrdup(sha1_to_hex(sha1)); | |
462 | return 1; | |
463 | } else | |
464 | die("BUG: unknown %%(objectname) option"); | |
c95b7585 KN |
465 | } |
466 | return 0; | |
467 | } | |
468 | ||
469 | /* See grab_values */ | |
470 | static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
471 | { | |
472 | int i; | |
473 | ||
474 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 475 | const char *name = used_atom[i].name; |
c95b7585 KN |
476 | struct atom_value *v = &val[i]; |
477 | if (!!deref != (*name == '*')) | |
478 | continue; | |
479 | if (deref) | |
480 | name++; | |
481 | if (!strcmp(name, "objecttype")) | |
482 | v->s = typename(obj->type); | |
483 | else if (!strcmp(name, "objectsize")) { | |
c95b7585 | 484 | v->ul = sz; |
a5e03bf5 | 485 | v->s = xstrfmt("%lu", sz); |
c95b7585 KN |
486 | } |
487 | else if (deref) | |
fe63c4d1 | 488 | grab_objectname(name, obj->oid.hash, v, &used_atom[i]); |
c95b7585 KN |
489 | } |
490 | } | |
491 | ||
492 | /* See grab_values */ | |
493 | static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
494 | { | |
495 | int i; | |
496 | struct tag *tag = (struct tag *) obj; | |
497 | ||
498 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 499 | const char *name = used_atom[i].name; |
c95b7585 KN |
500 | struct atom_value *v = &val[i]; |
501 | if (!!deref != (*name == '*')) | |
502 | continue; | |
503 | if (deref) | |
504 | name++; | |
505 | if (!strcmp(name, "tag")) | |
506 | v->s = tag->tag; | |
507 | else if (!strcmp(name, "type") && tag->tagged) | |
508 | v->s = typename(tag->tagged->type); | |
a5e03bf5 | 509 | else if (!strcmp(name, "object") && tag->tagged) |
f2fd0760 | 510 | v->s = xstrdup(oid_to_hex(&tag->tagged->oid)); |
c95b7585 KN |
511 | } |
512 | } | |
513 | ||
514 | /* See grab_values */ | |
515 | static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
516 | { | |
517 | int i; | |
518 | struct commit *commit = (struct commit *) obj; | |
519 | ||
520 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 521 | const char *name = used_atom[i].name; |
c95b7585 KN |
522 | struct atom_value *v = &val[i]; |
523 | if (!!deref != (*name == '*')) | |
524 | continue; | |
525 | if (deref) | |
526 | name++; | |
527 | if (!strcmp(name, "tree")) { | |
f2fd0760 | 528 | v->s = xstrdup(oid_to_hex(&commit->tree->object.oid)); |
c95b7585 | 529 | } |
a5e03bf5 | 530 | else if (!strcmp(name, "numparent")) { |
c95b7585 | 531 | v->ul = commit_list_count(commit->parents); |
a5e03bf5 | 532 | v->s = xstrfmt("%lu", v->ul); |
c95b7585 KN |
533 | } |
534 | else if (!strcmp(name, "parent")) { | |
c95b7585 | 535 | struct commit_list *parents; |
a5e03bf5 JK |
536 | struct strbuf s = STRBUF_INIT; |
537 | for (parents = commit->parents; parents; parents = parents->next) { | |
c95b7585 | 538 | struct commit *parent = parents->item; |
a5e03bf5 JK |
539 | if (parents != commit->parents) |
540 | strbuf_addch(&s, ' '); | |
f2fd0760 | 541 | strbuf_addstr(&s, oid_to_hex(&parent->object.oid)); |
c95b7585 | 542 | } |
a5e03bf5 | 543 | v->s = strbuf_detach(&s, NULL); |
c95b7585 KN |
544 | } |
545 | } | |
546 | } | |
547 | ||
548 | static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz) | |
549 | { | |
550 | const char *eol; | |
551 | while (*buf) { | |
552 | if (!strncmp(buf, who, wholen) && | |
553 | buf[wholen] == ' ') | |
554 | return buf + wholen + 1; | |
555 | eol = strchr(buf, '\n'); | |
556 | if (!eol) | |
557 | return ""; | |
558 | eol++; | |
559 | if (*eol == '\n') | |
560 | return ""; /* end of header */ | |
561 | buf = eol; | |
562 | } | |
563 | return ""; | |
564 | } | |
565 | ||
566 | static const char *copy_line(const char *buf) | |
567 | { | |
568 | const char *eol = strchrnul(buf, '\n'); | |
569 | return xmemdupz(buf, eol - buf); | |
570 | } | |
571 | ||
572 | static const char *copy_name(const char *buf) | |
573 | { | |
574 | const char *cp; | |
575 | for (cp = buf; *cp && *cp != '\n'; cp++) { | |
576 | if (!strncmp(cp, " <", 2)) | |
577 | return xmemdupz(buf, cp - buf); | |
578 | } | |
579 | return ""; | |
580 | } | |
581 | ||
582 | static const char *copy_email(const char *buf) | |
583 | { | |
584 | const char *email = strchr(buf, '<'); | |
585 | const char *eoemail; | |
586 | if (!email) | |
587 | return ""; | |
588 | eoemail = strchr(email, '>'); | |
589 | if (!eoemail) | |
590 | return ""; | |
591 | return xmemdupz(email, eoemail + 1 - email); | |
592 | } | |
593 | ||
594 | static char *copy_subject(const char *buf, unsigned long len) | |
595 | { | |
596 | char *r = xmemdupz(buf, len); | |
597 | int i; | |
598 | ||
599 | for (i = 0; i < len; i++) | |
600 | if (r[i] == '\n') | |
601 | r[i] = ' '; | |
602 | ||
603 | return r; | |
604 | } | |
605 | ||
606 | static void grab_date(const char *buf, struct atom_value *v, const char *atomname) | |
607 | { | |
608 | const char *eoemail = strstr(buf, "> "); | |
609 | char *zone; | |
610 | unsigned long timestamp; | |
611 | long tz; | |
d939af12 | 612 | struct date_mode date_mode = { DATE_NORMAL }; |
c95b7585 KN |
613 | const char *formatp; |
614 | ||
615 | /* | |
616 | * We got here because atomname ends in "date" or "date<something>"; | |
617 | * it's not possible that <something> is not ":<format>" because | |
618 | * parse_ref_filter_atom() wouldn't have allowed it, so we can assume that no | |
619 | * ":" means no format is specified, and use the default. | |
620 | */ | |
621 | formatp = strchr(atomname, ':'); | |
622 | if (formatp != NULL) { | |
623 | formatp++; | |
d939af12 | 624 | parse_date_format(formatp, &date_mode); |
c95b7585 KN |
625 | } |
626 | ||
627 | if (!eoemail) | |
628 | goto bad; | |
629 | timestamp = strtoul(eoemail + 2, &zone, 10); | |
630 | if (timestamp == ULONG_MAX) | |
631 | goto bad; | |
632 | tz = strtol(zone, NULL, 10); | |
633 | if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE) | |
634 | goto bad; | |
d939af12 | 635 | v->s = xstrdup(show_date(timestamp, tz, &date_mode)); |
c95b7585 KN |
636 | v->ul = timestamp; |
637 | return; | |
638 | bad: | |
639 | v->s = ""; | |
640 | v->ul = 0; | |
641 | } | |
642 | ||
643 | /* See grab_values */ | |
644 | static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
645 | { | |
646 | int i; | |
647 | int wholen = strlen(who); | |
648 | const char *wholine = NULL; | |
649 | ||
650 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 651 | const char *name = used_atom[i].name; |
c95b7585 KN |
652 | struct atom_value *v = &val[i]; |
653 | if (!!deref != (*name == '*')) | |
654 | continue; | |
655 | if (deref) | |
656 | name++; | |
657 | if (strncmp(who, name, wholen)) | |
658 | continue; | |
659 | if (name[wholen] != 0 && | |
660 | strcmp(name + wholen, "name") && | |
661 | strcmp(name + wholen, "email") && | |
662 | !starts_with(name + wholen, "date")) | |
663 | continue; | |
664 | if (!wholine) | |
665 | wholine = find_wholine(who, wholen, buf, sz); | |
666 | if (!wholine) | |
667 | return; /* no point looking for it */ | |
668 | if (name[wholen] == 0) | |
669 | v->s = copy_line(wholine); | |
670 | else if (!strcmp(name + wholen, "name")) | |
671 | v->s = copy_name(wholine); | |
672 | else if (!strcmp(name + wholen, "email")) | |
673 | v->s = copy_email(wholine); | |
674 | else if (starts_with(name + wholen, "date")) | |
675 | grab_date(wholine, v, name); | |
676 | } | |
677 | ||
678 | /* | |
679 | * For a tag or a commit object, if "creator" or "creatordate" is | |
680 | * requested, do something special. | |
681 | */ | |
682 | if (strcmp(who, "tagger") && strcmp(who, "committer")) | |
683 | return; /* "author" for commit object is not wanted */ | |
684 | if (!wholine) | |
685 | wholine = find_wholine(who, wholen, buf, sz); | |
686 | if (!wholine) | |
687 | return; | |
688 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 689 | const char *name = used_atom[i].name; |
c95b7585 KN |
690 | struct atom_value *v = &val[i]; |
691 | if (!!deref != (*name == '*')) | |
692 | continue; | |
693 | if (deref) | |
694 | name++; | |
695 | ||
696 | if (starts_with(name, "creatordate")) | |
697 | grab_date(wholine, v, name); | |
698 | else if (!strcmp(name, "creator")) | |
699 | v->s = copy_line(wholine); | |
700 | } | |
701 | } | |
702 | ||
703 | static void find_subpos(const char *buf, unsigned long sz, | |
704 | const char **sub, unsigned long *sublen, | |
705 | const char **body, unsigned long *bodylen, | |
706 | unsigned long *nonsiglen, | |
707 | const char **sig, unsigned long *siglen) | |
708 | { | |
709 | const char *eol; | |
710 | /* skip past header until we hit empty line */ | |
711 | while (*buf && *buf != '\n') { | |
712 | eol = strchrnul(buf, '\n'); | |
713 | if (*eol) | |
714 | eol++; | |
715 | buf = eol; | |
716 | } | |
717 | /* skip any empty lines */ | |
718 | while (*buf == '\n') | |
719 | buf++; | |
720 | ||
721 | /* parse signature first; we might not even have a subject line */ | |
722 | *sig = buf + parse_signature(buf, strlen(buf)); | |
723 | *siglen = strlen(*sig); | |
724 | ||
725 | /* subject is first non-empty line */ | |
726 | *sub = buf; | |
727 | /* subject goes to first empty line */ | |
728 | while (buf < *sig && *buf && *buf != '\n') { | |
729 | eol = strchrnul(buf, '\n'); | |
730 | if (*eol) | |
731 | eol++; | |
732 | buf = eol; | |
733 | } | |
734 | *sublen = buf - *sub; | |
735 | /* drop trailing newline, if present */ | |
736 | if (*sublen && (*sub)[*sublen - 1] == '\n') | |
737 | *sublen -= 1; | |
738 | ||
739 | /* skip any empty lines */ | |
740 | while (*buf == '\n') | |
741 | buf++; | |
742 | *body = buf; | |
743 | *bodylen = strlen(buf); | |
744 | *nonsiglen = *sig - buf; | |
745 | } | |
746 | ||
1bb38e5a KN |
747 | /* |
748 | * If 'lines' is greater than 0, append that many lines from the given | |
749 | * 'buf' of length 'size' to the given strbuf. | |
750 | */ | |
751 | static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines) | |
752 | { | |
753 | int i; | |
754 | const char *sp, *eol; | |
755 | size_t len; | |
756 | ||
757 | sp = buf; | |
758 | ||
759 | for (i = 0; i < lines && sp < buf + size; i++) { | |
760 | if (i) | |
761 | strbuf_addstr(out, "\n "); | |
762 | eol = memchr(sp, '\n', size - (sp - buf)); | |
763 | len = eol ? eol - sp : size - (sp - buf); | |
764 | strbuf_add(out, sp, len); | |
765 | if (!eol) | |
766 | break; | |
767 | sp = eol + 1; | |
768 | } | |
769 | } | |
770 | ||
c95b7585 KN |
771 | /* See grab_values */ |
772 | static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
773 | { | |
774 | int i; | |
775 | const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; | |
776 | unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; | |
777 | ||
778 | for (i = 0; i < used_atom_cnt; i++) { | |
452db397 KN |
779 | struct used_atom *atom = &used_atom[i]; |
780 | const char *name = atom->name; | |
c95b7585 KN |
781 | struct atom_value *v = &val[i]; |
782 | if (!!deref != (*name == '*')) | |
783 | continue; | |
784 | if (deref) | |
785 | name++; | |
786 | if (strcmp(name, "subject") && | |
787 | strcmp(name, "body") && | |
452db397 | 788 | !starts_with(name, "contents")) |
c95b7585 KN |
789 | continue; |
790 | if (!subpos) | |
791 | find_subpos(buf, sz, | |
792 | &subpos, &sublen, | |
793 | &bodypos, &bodylen, &nonsiglen, | |
794 | &sigpos, &siglen); | |
795 | ||
452db397 | 796 | if (atom->u.contents.option == C_SUB) |
c95b7585 | 797 | v->s = copy_subject(subpos, sublen); |
452db397 | 798 | else if (atom->u.contents.option == C_BODY_DEP) |
c95b7585 | 799 | v->s = xmemdupz(bodypos, bodylen); |
452db397 | 800 | else if (atom->u.contents.option == C_BODY) |
c95b7585 | 801 | v->s = xmemdupz(bodypos, nonsiglen); |
452db397 | 802 | else if (atom->u.contents.option == C_SIG) |
c95b7585 | 803 | v->s = xmemdupz(sigpos, siglen); |
452db397 | 804 | else if (atom->u.contents.option == C_LINES) { |
1bb38e5a KN |
805 | struct strbuf s = STRBUF_INIT; |
806 | const char *contents_end = bodylen + bodypos - siglen; | |
807 | ||
1bb38e5a | 808 | /* Size is the length of the message after removing the signature */ |
452db397 | 809 | append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines); |
1bb38e5a | 810 | v->s = strbuf_detach(&s, NULL); |
452db397 KN |
811 | } else if (atom->u.contents.option == C_BARE) |
812 | v->s = xstrdup(subpos); | |
c95b7585 KN |
813 | } |
814 | } | |
815 | ||
816 | /* | |
817 | * We want to have empty print-string for field requests | |
818 | * that do not apply (e.g. "authordate" for a tag object) | |
819 | */ | |
820 | static void fill_missing_values(struct atom_value *val) | |
821 | { | |
822 | int i; | |
823 | for (i = 0; i < used_atom_cnt; i++) { | |
824 | struct atom_value *v = &val[i]; | |
825 | if (v->s == NULL) | |
826 | v->s = ""; | |
827 | } | |
828 | } | |
829 | ||
830 | /* | |
831 | * val is a list of atom_value to hold returned values. Extract | |
832 | * the values for atoms in used_atom array out of (obj, buf, sz). | |
833 | * when deref is false, (obj, buf, sz) is the object that is | |
834 | * pointed at by the ref itself; otherwise it is the object the | |
835 | * ref (which is a tag) refers to. | |
836 | */ | |
837 | static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
838 | { | |
839 | grab_common_values(val, deref, obj, buf, sz); | |
840 | switch (obj->type) { | |
841 | case OBJ_TAG: | |
842 | grab_tag_values(val, deref, obj, buf, sz); | |
843 | grab_sub_body_contents(val, deref, obj, buf, sz); | |
844 | grab_person("tagger", val, deref, obj, buf, sz); | |
845 | break; | |
846 | case OBJ_COMMIT: | |
847 | grab_commit_values(val, deref, obj, buf, sz); | |
848 | grab_sub_body_contents(val, deref, obj, buf, sz); | |
849 | grab_person("author", val, deref, obj, buf, sz); | |
850 | grab_person("committer", val, deref, obj, buf, sz); | |
851 | break; | |
852 | case OBJ_TREE: | |
853 | /* grab_tree_values(val, deref, obj, buf, sz); */ | |
854 | break; | |
855 | case OBJ_BLOB: | |
856 | /* grab_blob_values(val, deref, obj, buf, sz); */ | |
857 | break; | |
858 | default: | |
859 | die("Eh? Object of type %d?", obj->type); | |
860 | } | |
861 | } | |
862 | ||
863 | static inline char *copy_advance(char *dst, const char *src) | |
864 | { | |
865 | while (*src) | |
866 | *dst++ = *src++; | |
867 | return dst; | |
868 | } | |
869 | ||
0571979b JK |
870 | static const char *strip_ref_components(const char *refname, const char *nr_arg) |
871 | { | |
872 | char *end; | |
873 | long nr = strtol(nr_arg, &end, 10); | |
874 | long remaining = nr; | |
875 | const char *start = refname; | |
876 | ||
877 | if (nr < 1 || *end != '\0') | |
1823c619 | 878 | die(_(":strip= requires a positive integer argument")); |
0571979b JK |
879 | |
880 | while (remaining) { | |
881 | switch (*start++) { | |
882 | case '\0': | |
1823c619 | 883 | die(_("ref '%s' does not have %ld components to :strip"), |
0571979b JK |
884 | refname, nr); |
885 | case '/': | |
886 | remaining--; | |
887 | break; | |
888 | } | |
889 | } | |
890 | return start; | |
891 | } | |
892 | ||
5339bdad KN |
893 | static void fill_remote_ref_details(struct used_atom *atom, const char *refname, |
894 | struct branch *branch, const char **s) | |
895 | { | |
896 | int num_ours, num_theirs; | |
897 | if (atom->u.remote_ref == RR_SHORTEN) | |
898 | *s = shorten_unambiguous_ref(refname, warn_ambiguous_refs); | |
899 | else if (atom->u.remote_ref == RR_TRACK) { | |
900 | if (stat_tracking_info(branch, &num_ours, | |
901 | &num_theirs, NULL)) | |
902 | return; | |
903 | ||
904 | if (!num_ours && !num_theirs) | |
905 | *s = ""; | |
906 | else if (!num_ours) | |
907 | *s = xstrfmt("[behind %d]", num_theirs); | |
908 | else if (!num_theirs) | |
909 | *s = xstrfmt("[ahead %d]", num_ours); | |
910 | else | |
911 | *s = xstrfmt("[ahead %d, behind %d]", | |
912 | num_ours, num_theirs); | |
913 | } else if (atom->u.remote_ref == RR_TRACKSHORT) { | |
914 | if (stat_tracking_info(branch, &num_ours, | |
915 | &num_theirs, NULL)) | |
916 | return; | |
917 | ||
918 | if (!num_ours && !num_theirs) | |
919 | *s = "="; | |
920 | else if (!num_ours) | |
921 | *s = "<"; | |
922 | else if (!num_theirs) | |
923 | *s = ">"; | |
924 | else | |
925 | *s = "<>"; | |
926 | } else /* RR_NORMAL */ | |
927 | *s = refname; | |
928 | } | |
929 | ||
c95b7585 KN |
930 | /* |
931 | * Parse the object referred by ref, and grab needed value. | |
932 | */ | |
933 | static void populate_value(struct ref_array_item *ref) | |
934 | { | |
935 | void *buf; | |
936 | struct object *obj; | |
937 | int eaten, i; | |
938 | unsigned long size; | |
939 | const unsigned char *tagged; | |
940 | ||
941 | ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value)); | |
942 | ||
943 | if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) { | |
944 | unsigned char unused1[20]; | |
945 | ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING, | |
946 | unused1, NULL); | |
947 | if (!ref->symref) | |
948 | ref->symref = ""; | |
949 | } | |
950 | ||
951 | /* Fill in specials first */ | |
952 | for (i = 0; i < used_atom_cnt; i++) { | |
fd935cc7 | 953 | struct used_atom *atom = &used_atom[i]; |
b072add7 | 954 | const char *name = used_atom[i].name; |
c95b7585 KN |
955 | struct atom_value *v = &ref->value[i]; |
956 | int deref = 0; | |
957 | const char *refname; | |
958 | const char *formatp; | |
959 | struct branch *branch = NULL; | |
960 | ||
63d89fbc KN |
961 | v->handler = append_atom; |
962 | ||
c95b7585 KN |
963 | if (*name == '*') { |
964 | deref = 1; | |
965 | name++; | |
966 | } | |
967 | ||
968 | if (starts_with(name, "refname")) | |
969 | refname = ref->refname; | |
970 | else if (starts_with(name, "symref")) | |
971 | refname = ref->symref ? ref->symref : ""; | |
972 | else if (starts_with(name, "upstream")) { | |
973 | const char *branch_name; | |
974 | /* only local branches may have an upstream */ | |
975 | if (!skip_prefix(ref->refname, "refs/heads/", | |
976 | &branch_name)) | |
977 | continue; | |
978 | branch = branch_get(branch_name); | |
979 | ||
980 | refname = branch_get_upstream(branch, NULL); | |
5339bdad KN |
981 | if (refname) |
982 | fill_remote_ref_details(atom, refname, branch, &v->s); | |
983 | continue; | |
c95b7585 KN |
984 | } else if (starts_with(name, "push")) { |
985 | const char *branch_name; | |
986 | if (!skip_prefix(ref->refname, "refs/heads/", | |
987 | &branch_name)) | |
988 | continue; | |
989 | branch = branch_get(branch_name); | |
990 | ||
991 | refname = branch_get_push(branch, NULL); | |
992 | if (!refname) | |
993 | continue; | |
5339bdad KN |
994 | fill_remote_ref_details(atom, refname, branch, &v->s); |
995 | continue; | |
fd935cc7 KN |
996 | } else if (starts_with(name, "color:")) { |
997 | v->s = atom->u.color; | |
c95b7585 KN |
998 | continue; |
999 | } else if (!strcmp(name, "flag")) { | |
1000 | char buf[256], *cp = buf; | |
1001 | if (ref->flag & REF_ISSYMREF) | |
1002 | cp = copy_advance(cp, ",symref"); | |
1003 | if (ref->flag & REF_ISPACKED) | |
1004 | cp = copy_advance(cp, ",packed"); | |
1005 | if (cp == buf) | |
1006 | v->s = ""; | |
1007 | else { | |
1008 | *cp = '\0'; | |
1009 | v->s = xstrdup(buf + 1); | |
1010 | } | |
1011 | continue; | |
fe63c4d1 | 1012 | } else if (!deref && grab_objectname(name, ref->objectname, v, atom)) { |
c95b7585 KN |
1013 | continue; |
1014 | } else if (!strcmp(name, "HEAD")) { | |
1015 | const char *head; | |
1016 | unsigned char sha1[20]; | |
1017 | ||
1018 | head = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, | |
1019 | sha1, NULL); | |
1020 | if (!strcmp(ref->refname, head)) | |
1021 | v->s = "*"; | |
1022 | else | |
1023 | v->s = " "; | |
1024 | continue; | |
5bd881d9 KN |
1025 | } else if (starts_with(name, "align")) { |
1026 | v->u.align = atom->u.align; | |
ce592082 KN |
1027 | v->handler = align_atom_handler; |
1028 | continue; | |
1029 | } else if (!strcmp(name, "end")) { | |
1030 | v->handler = end_atom_handler; | |
1031 | continue; | |
c95b7585 KN |
1032 | } else |
1033 | continue; | |
1034 | ||
1035 | formatp = strchr(name, ':'); | |
1036 | if (formatp) { | |
0571979b | 1037 | const char *arg; |
c95b7585 KN |
1038 | |
1039 | formatp++; | |
1040 | if (!strcmp(formatp, "short")) | |
1041 | refname = shorten_unambiguous_ref(refname, | |
1042 | warn_ambiguous_refs); | |
0571979b JK |
1043 | else if (skip_prefix(formatp, "strip=", &arg)) |
1044 | refname = strip_ref_components(refname, arg); | |
5339bdad | 1045 | else |
1823c619 | 1046 | die(_("unknown %.*s format %s"), |
c95b7585 KN |
1047 | (int)(formatp - name), name, formatp); |
1048 | } | |
1049 | ||
1050 | if (!deref) | |
1051 | v->s = refname; | |
a5e03bf5 JK |
1052 | else |
1053 | v->s = xstrfmt("%s^{}", refname); | |
c95b7585 KN |
1054 | } |
1055 | ||
1056 | for (i = 0; i < used_atom_cnt; i++) { | |
1057 | struct atom_value *v = &ref->value[i]; | |
1058 | if (v->s == NULL) | |
1059 | goto need_obj; | |
1060 | } | |
1061 | return; | |
1062 | ||
1063 | need_obj: | |
1064 | buf = get_obj(ref->objectname, &obj, &size, &eaten); | |
1065 | if (!buf) | |
1823c619 | 1066 | die(_("missing object %s for %s"), |
c95b7585 KN |
1067 | sha1_to_hex(ref->objectname), ref->refname); |
1068 | if (!obj) | |
1823c619 | 1069 | die(_("parse_object_buffer failed on %s for %s"), |
c95b7585 KN |
1070 | sha1_to_hex(ref->objectname), ref->refname); |
1071 | ||
1072 | grab_values(ref->value, 0, obj, buf, size); | |
1073 | if (!eaten) | |
1074 | free(buf); | |
1075 | ||
1076 | /* | |
1077 | * If there is no atom that wants to know about tagged | |
1078 | * object, we are done. | |
1079 | */ | |
1080 | if (!need_tagged || (obj->type != OBJ_TAG)) | |
1081 | return; | |
1082 | ||
1083 | /* | |
1084 | * If it is a tag object, see if we use a value that derefs | |
1085 | * the object, and if we do grab the object it refers to. | |
1086 | */ | |
ed1c9977 | 1087 | tagged = ((struct tag *)obj)->tagged->oid.hash; |
c95b7585 KN |
1088 | |
1089 | /* | |
1090 | * NEEDSWORK: This derefs tag only once, which | |
1091 | * is good to deal with chains of trust, but | |
1092 | * is not consistent with what deref_tag() does | |
1093 | * which peels the onion to the core. | |
1094 | */ | |
1095 | buf = get_obj(tagged, &obj, &size, &eaten); | |
1096 | if (!buf) | |
1823c619 | 1097 | die(_("missing object %s for %s"), |
c95b7585 KN |
1098 | sha1_to_hex(tagged), ref->refname); |
1099 | if (!obj) | |
1823c619 | 1100 | die(_("parse_object_buffer failed on %s for %s"), |
c95b7585 KN |
1101 | sha1_to_hex(tagged), ref->refname); |
1102 | grab_values(ref->value, 1, obj, buf, size); | |
1103 | if (!eaten) | |
1104 | free(buf); | |
1105 | } | |
1106 | ||
1107 | /* | |
1108 | * Given a ref, return the value for the atom. This lazily gets value | |
1109 | * out of the object by calling populate value. | |
1110 | */ | |
1111 | static void get_ref_atom_value(struct ref_array_item *ref, int atom, struct atom_value **v) | |
1112 | { | |
1113 | if (!ref->value) { | |
1114 | populate_value(ref); | |
1115 | fill_missing_values(ref->value); | |
1116 | } | |
1117 | *v = &ref->value[atom]; | |
1118 | } | |
1119 | ||
ee2bd06b KN |
1120 | enum contains_result { |
1121 | CONTAINS_UNKNOWN = -1, | |
1122 | CONTAINS_NO = 0, | |
1123 | CONTAINS_YES = 1 | |
1124 | }; | |
1125 | ||
1126 | /* | |
1127 | * Mimicking the real stack, this stack lives on the heap, avoiding stack | |
1128 | * overflows. | |
1129 | * | |
1130 | * At each recursion step, the stack items points to the commits whose | |
1131 | * ancestors are to be inspected. | |
1132 | */ | |
1133 | struct contains_stack { | |
1134 | int nr, alloc; | |
1135 | struct contains_stack_entry { | |
1136 | struct commit *commit; | |
1137 | struct commit_list *parents; | |
1138 | } *contains_stack; | |
1139 | }; | |
1140 | ||
1141 | static int in_commit_list(const struct commit_list *want, struct commit *c) | |
1142 | { | |
1143 | for (; want; want = want->next) | |
f2fd0760 | 1144 | if (!oidcmp(&want->item->object.oid, &c->object.oid)) |
ee2bd06b KN |
1145 | return 1; |
1146 | return 0; | |
1147 | } | |
1148 | ||
1149 | /* | |
1150 | * Test whether the candidate or one of its parents is contained in the list. | |
1151 | * Do not recurse to find out, though, but return -1 if inconclusive. | |
1152 | */ | |
1153 | static enum contains_result contains_test(struct commit *candidate, | |
1154 | const struct commit_list *want) | |
1155 | { | |
1156 | /* was it previously marked as containing a want commit? */ | |
1157 | if (candidate->object.flags & TMP_MARK) | |
1158 | return 1; | |
1159 | /* or marked as not possibly containing a want commit? */ | |
1160 | if (candidate->object.flags & UNINTERESTING) | |
1161 | return 0; | |
1162 | /* or are we it? */ | |
1163 | if (in_commit_list(want, candidate)) { | |
1164 | candidate->object.flags |= TMP_MARK; | |
1165 | return 1; | |
1166 | } | |
1167 | ||
1168 | if (parse_commit(candidate) < 0) | |
1169 | return 0; | |
1170 | ||
1171 | return -1; | |
1172 | } | |
1173 | ||
1174 | static void push_to_contains_stack(struct commit *candidate, struct contains_stack *contains_stack) | |
1175 | { | |
1176 | ALLOC_GROW(contains_stack->contains_stack, contains_stack->nr + 1, contains_stack->alloc); | |
1177 | contains_stack->contains_stack[contains_stack->nr].commit = candidate; | |
1178 | contains_stack->contains_stack[contains_stack->nr++].parents = candidate->parents; | |
1179 | } | |
1180 | ||
1181 | static enum contains_result contains_tag_algo(struct commit *candidate, | |
1182 | const struct commit_list *want) | |
1183 | { | |
1184 | struct contains_stack contains_stack = { 0, 0, NULL }; | |
1185 | int result = contains_test(candidate, want); | |
1186 | ||
1187 | if (result != CONTAINS_UNKNOWN) | |
1188 | return result; | |
1189 | ||
1190 | push_to_contains_stack(candidate, &contains_stack); | |
1191 | while (contains_stack.nr) { | |
1192 | struct contains_stack_entry *entry = &contains_stack.contains_stack[contains_stack.nr - 1]; | |
1193 | struct commit *commit = entry->commit; | |
1194 | struct commit_list *parents = entry->parents; | |
1195 | ||
1196 | if (!parents) { | |
1197 | commit->object.flags |= UNINTERESTING; | |
1198 | contains_stack.nr--; | |
1199 | } | |
1200 | /* | |
1201 | * If we just popped the stack, parents->item has been marked, | |
1202 | * therefore contains_test will return a meaningful 0 or 1. | |
1203 | */ | |
1204 | else switch (contains_test(parents->item, want)) { | |
1205 | case CONTAINS_YES: | |
1206 | commit->object.flags |= TMP_MARK; | |
1207 | contains_stack.nr--; | |
1208 | break; | |
1209 | case CONTAINS_NO: | |
1210 | entry->parents = parents->next; | |
1211 | break; | |
1212 | case CONTAINS_UNKNOWN: | |
1213 | push_to_contains_stack(parents->item, &contains_stack); | |
1214 | break; | |
1215 | } | |
1216 | } | |
1217 | free(contains_stack.contains_stack); | |
1218 | return contains_test(candidate, want); | |
1219 | } | |
1220 | ||
1221 | static int commit_contains(struct ref_filter *filter, struct commit *commit) | |
1222 | { | |
1223 | if (filter->with_commit_tag_algo) | |
1224 | return contains_tag_algo(commit, filter->with_commit); | |
1225 | return is_descendant_of(commit, filter->with_commit); | |
1226 | } | |
1227 | ||
bef0e12b KN |
1228 | /* |
1229 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
1230 | * A pattern can be a literal prefix (e.g. a refname "refs/heads/master" | |
1231 | * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref | |
1232 | * matches "refs/heads/mas*", too). | |
1233 | */ | |
1234 | static int match_pattern(const char **patterns, const char *refname) | |
1235 | { | |
1236 | /* | |
1237 | * When no '--format' option is given we need to skip the prefix | |
1238 | * for matching refs of tags and branches. | |
1239 | */ | |
1240 | (void)(skip_prefix(refname, "refs/tags/", &refname) || | |
1241 | skip_prefix(refname, "refs/heads/", &refname) || | |
1242 | skip_prefix(refname, "refs/remotes/", &refname) || | |
1243 | skip_prefix(refname, "refs/", &refname)); | |
1244 | ||
1245 | for (; *patterns; patterns++) { | |
1246 | if (!wildmatch(*patterns, refname, 0, NULL)) | |
1247 | return 1; | |
1248 | } | |
1249 | return 0; | |
1250 | } | |
1251 | ||
c95b7585 KN |
1252 | /* |
1253 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
1254 | * A pattern can be path prefix (e.g. a refname "refs/heads/master" | |
bef0e12b KN |
1255 | * matches a pattern "refs/heads/" but not "refs/heads/m") or a |
1256 | * wildcard (e.g. the same ref matches "refs/heads/m*", too). | |
c95b7585 KN |
1257 | */ |
1258 | static int match_name_as_path(const char **pattern, const char *refname) | |
1259 | { | |
1260 | int namelen = strlen(refname); | |
1261 | for (; *pattern; pattern++) { | |
1262 | const char *p = *pattern; | |
1263 | int plen = strlen(p); | |
1264 | ||
1265 | if ((plen <= namelen) && | |
1266 | !strncmp(refname, p, plen) && | |
1267 | (refname[plen] == '\0' || | |
1268 | refname[plen] == '/' || | |
1269 | p[plen-1] == '/')) | |
1270 | return 1; | |
1271 | if (!wildmatch(p, refname, WM_PATHNAME, NULL)) | |
1272 | return 1; | |
1273 | } | |
1274 | return 0; | |
1275 | } | |
1276 | ||
bef0e12b KN |
1277 | /* Return 1 if the refname matches one of the patterns, otherwise 0. */ |
1278 | static int filter_pattern_match(struct ref_filter *filter, const char *refname) | |
1279 | { | |
1280 | if (!*filter->name_patterns) | |
1281 | return 1; /* No pattern always matches */ | |
1282 | if (filter->match_as_path) | |
1283 | return match_name_as_path(filter->name_patterns, refname); | |
1284 | return match_pattern(filter->name_patterns, refname); | |
1285 | } | |
1286 | ||
68411046 KN |
1287 | /* |
1288 | * Given a ref (sha1, refname), check if the ref belongs to the array | |
1289 | * of sha1s. If the given ref is a tag, check if the given tag points | |
1290 | * at one of the sha1s in the given sha1 array. | |
1291 | * the given sha1_array. | |
1292 | * NEEDSWORK: | |
1293 | * 1. Only a single level of inderection is obtained, we might want to | |
1294 | * change this to account for multiple levels (e.g. annotated tags | |
1295 | * pointing to annotated tags pointing to a commit.) | |
1296 | * 2. As the refs are cached we might know what refname peels to without | |
1297 | * the need to parse the object via parse_object(). peel_ref() might be a | |
1298 | * more efficient alternative to obtain the pointee. | |
1299 | */ | |
1300 | static const unsigned char *match_points_at(struct sha1_array *points_at, | |
1301 | const unsigned char *sha1, | |
1302 | const char *refname) | |
1303 | { | |
1304 | const unsigned char *tagged_sha1 = NULL; | |
1305 | struct object *obj; | |
1306 | ||
1307 | if (sha1_array_lookup(points_at, sha1) >= 0) | |
1308 | return sha1; | |
1309 | obj = parse_object(sha1); | |
1310 | if (!obj) | |
1311 | die(_("malformed object at '%s'"), refname); | |
1312 | if (obj->type == OBJ_TAG) | |
ed1c9977 | 1313 | tagged_sha1 = ((struct tag *)obj)->tagged->oid.hash; |
68411046 KN |
1314 | if (tagged_sha1 && sha1_array_lookup(points_at, tagged_sha1) >= 0) |
1315 | return tagged_sha1; | |
1316 | return NULL; | |
1317 | } | |
1318 | ||
c95b7585 KN |
1319 | /* Allocate space for a new ref_array_item and copy the objectname and flag to it */ |
1320 | static struct ref_array_item *new_ref_array_item(const char *refname, | |
1321 | const unsigned char *objectname, | |
1322 | int flag) | |
1323 | { | |
96ffc06f JK |
1324 | struct ref_array_item *ref; |
1325 | FLEX_ALLOC_STR(ref, refname, refname); | |
c95b7585 KN |
1326 | hashcpy(ref->objectname, objectname); |
1327 | ref->flag = flag; | |
1328 | ||
1329 | return ref; | |
1330 | } | |
1331 | ||
5b4f2851 KN |
1332 | static int filter_ref_kind(struct ref_filter *filter, const char *refname) |
1333 | { | |
1334 | unsigned int i; | |
1335 | ||
1336 | static struct { | |
1337 | const char *prefix; | |
1338 | unsigned int kind; | |
1339 | } ref_kind[] = { | |
1340 | { "refs/heads/" , FILTER_REFS_BRANCHES }, | |
1341 | { "refs/remotes/" , FILTER_REFS_REMOTES }, | |
1342 | { "refs/tags/", FILTER_REFS_TAGS} | |
1343 | }; | |
1344 | ||
1345 | if (filter->kind == FILTER_REFS_BRANCHES || | |
1346 | filter->kind == FILTER_REFS_REMOTES || | |
1347 | filter->kind == FILTER_REFS_TAGS) | |
1348 | return filter->kind; | |
1349 | else if (!strcmp(refname, "HEAD")) | |
1350 | return FILTER_REFS_DETACHED_HEAD; | |
1351 | ||
1352 | for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { | |
1353 | if (starts_with(refname, ref_kind[i].prefix)) | |
1354 | return ref_kind[i].kind; | |
1355 | } | |
1356 | ||
1357 | return FILTER_REFS_OTHERS; | |
1358 | } | |
1359 | ||
c95b7585 KN |
1360 | /* |
1361 | * A call-back given to for_each_ref(). Filter refs and keep them for | |
1362 | * later object processing. | |
1363 | */ | |
14de7fba | 1364 | static int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data) |
c95b7585 KN |
1365 | { |
1366 | struct ref_filter_cbdata *ref_cbdata = cb_data; | |
14de7fba | 1367 | struct ref_filter *filter = ref_cbdata->filter; |
c95b7585 | 1368 | struct ref_array_item *ref; |
35257aa0 | 1369 | struct commit *commit = NULL; |
5b4f2851 | 1370 | unsigned int kind; |
c95b7585 KN |
1371 | |
1372 | if (flag & REF_BAD_NAME) { | |
1823c619 | 1373 | warning(_("ignoring ref with broken name %s"), refname); |
c95b7585 KN |
1374 | return 0; |
1375 | } | |
1376 | ||
7ebc8cbe | 1377 | if (flag & REF_ISBROKEN) { |
1823c619 | 1378 | warning(_("ignoring broken ref %s"), refname); |
7ebc8cbe JH |
1379 | return 0; |
1380 | } | |
1381 | ||
5b4f2851 KN |
1382 | /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */ |
1383 | kind = filter_ref_kind(filter, refname); | |
1384 | if (!(kind & filter->kind)) | |
1385 | return 0; | |
1386 | ||
bef0e12b | 1387 | if (!filter_pattern_match(filter, refname)) |
c95b7585 KN |
1388 | return 0; |
1389 | ||
68411046 KN |
1390 | if (filter->points_at.nr && !match_points_at(&filter->points_at, oid->hash, refname)) |
1391 | return 0; | |
1392 | ||
35257aa0 KN |
1393 | /* |
1394 | * A merge filter is applied on refs pointing to commits. Hence | |
1395 | * obtain the commit using the 'oid' available and discard all | |
1396 | * non-commits early. The actual filtering is done later. | |
1397 | */ | |
aedcb7dc | 1398 | if (filter->merge_commit || filter->with_commit || filter->verbose) { |
35257aa0 KN |
1399 | commit = lookup_commit_reference_gently(oid->hash, 1); |
1400 | if (!commit) | |
1401 | return 0; | |
ee2bd06b KN |
1402 | /* We perform the filtering for the '--contains' option */ |
1403 | if (filter->with_commit && | |
1404 | !commit_contains(filter, commit)) | |
1405 | return 0; | |
35257aa0 KN |
1406 | } |
1407 | ||
c95b7585 KN |
1408 | /* |
1409 | * We do not open the object yet; sort may only need refname | |
1410 | * to do its job and the resulting list may yet to be pruned | |
1411 | * by maxcount logic. | |
1412 | */ | |
1413 | ref = new_ref_array_item(refname, oid->hash, flag); | |
35257aa0 | 1414 | ref->commit = commit; |
c95b7585 | 1415 | |
14de7fba KN |
1416 | REALLOC_ARRAY(ref_cbdata->array->items, ref_cbdata->array->nr + 1); |
1417 | ref_cbdata->array->items[ref_cbdata->array->nr++] = ref; | |
5b4f2851 | 1418 | ref->kind = kind; |
c95b7585 KN |
1419 | return 0; |
1420 | } | |
1421 | ||
1422 | /* Free memory allocated for a ref_array_item */ | |
1423 | static void free_array_item(struct ref_array_item *item) | |
1424 | { | |
1425 | free((char *)item->symref); | |
c95b7585 KN |
1426 | free(item); |
1427 | } | |
1428 | ||
1429 | /* Free all memory allocated for ref_array */ | |
1430 | void ref_array_clear(struct ref_array *array) | |
1431 | { | |
1432 | int i; | |
1433 | ||
1434 | for (i = 0; i < array->nr; i++) | |
1435 | free_array_item(array->items[i]); | |
1436 | free(array->items); | |
1437 | array->items = NULL; | |
1438 | array->nr = array->alloc = 0; | |
1439 | } | |
1440 | ||
35257aa0 KN |
1441 | static void do_merge_filter(struct ref_filter_cbdata *ref_cbdata) |
1442 | { | |
1443 | struct rev_info revs; | |
1444 | int i, old_nr; | |
1445 | struct ref_filter *filter = ref_cbdata->filter; | |
1446 | struct ref_array *array = ref_cbdata->array; | |
1447 | struct commit **to_clear = xcalloc(sizeof(struct commit *), array->nr); | |
1448 | ||
1449 | init_revisions(&revs, NULL); | |
1450 | ||
1451 | for (i = 0; i < array->nr; i++) { | |
1452 | struct ref_array_item *item = array->items[i]; | |
1453 | add_pending_object(&revs, &item->commit->object, item->refname); | |
1454 | to_clear[i] = item->commit; | |
1455 | } | |
1456 | ||
1457 | filter->merge_commit->object.flags |= UNINTERESTING; | |
1458 | add_pending_object(&revs, &filter->merge_commit->object, ""); | |
1459 | ||
1460 | revs.limited = 1; | |
1461 | if (prepare_revision_walk(&revs)) | |
1462 | die(_("revision walk setup failed")); | |
1463 | ||
1464 | old_nr = array->nr; | |
1465 | array->nr = 0; | |
1466 | ||
1467 | for (i = 0; i < old_nr; i++) { | |
1468 | struct ref_array_item *item = array->items[i]; | |
1469 | struct commit *commit = item->commit; | |
1470 | ||
1471 | int is_merged = !!(commit->object.flags & UNINTERESTING); | |
1472 | ||
1473 | if (is_merged == (filter->merge == REF_FILTER_MERGED_INCLUDE)) | |
1474 | array->items[array->nr++] = array->items[i]; | |
1475 | else | |
1476 | free_array_item(item); | |
1477 | } | |
1478 | ||
1479 | for (i = 0; i < old_nr; i++) | |
1480 | clear_commit_marks(to_clear[i], ALL_REV_FLAGS); | |
1481 | clear_commit_marks(filter->merge_commit, ALL_REV_FLAGS); | |
1482 | free(to_clear); | |
1483 | } | |
1484 | ||
14de7fba KN |
1485 | /* |
1486 | * API for filtering a set of refs. Based on the type of refs the user | |
1487 | * has requested, we iterate through those refs and apply filters | |
1488 | * as per the given ref_filter structure and finally store the | |
1489 | * filtered refs in the ref_array structure. | |
1490 | */ | |
1491 | int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type) | |
1492 | { | |
1493 | struct ref_filter_cbdata ref_cbdata; | |
35257aa0 | 1494 | int ret = 0; |
5b4f2851 | 1495 | unsigned int broken = 0; |
14de7fba KN |
1496 | |
1497 | ref_cbdata.array = array; | |
1498 | ref_cbdata.filter = filter; | |
1499 | ||
5b4f2851 KN |
1500 | if (type & FILTER_REFS_INCLUDE_BROKEN) |
1501 | broken = 1; | |
1502 | filter->kind = type & FILTER_REFS_KIND_MASK; | |
1503 | ||
35257aa0 | 1504 | /* Simple per-ref filtering */ |
5b4f2851 | 1505 | if (!filter->kind) |
14de7fba | 1506 | die("filter_refs: invalid type"); |
5b4f2851 KN |
1507 | else { |
1508 | /* | |
1509 | * For common cases where we need only branches or remotes or tags, | |
1510 | * we only iterate through those refs. If a mix of refs is needed, | |
1511 | * we iterate over all refs and filter out required refs with the help | |
1512 | * of filter_ref_kind(). | |
1513 | */ | |
1514 | if (filter->kind == FILTER_REFS_BRANCHES) | |
1515 | ret = for_each_fullref_in("refs/heads/", ref_filter_handler, &ref_cbdata, broken); | |
1516 | else if (filter->kind == FILTER_REFS_REMOTES) | |
1517 | ret = for_each_fullref_in("refs/remotes/", ref_filter_handler, &ref_cbdata, broken); | |
1518 | else if (filter->kind == FILTER_REFS_TAGS) | |
1519 | ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata, broken); | |
1520 | else if (filter->kind & FILTER_REFS_ALL) | |
1521 | ret = for_each_fullref_in("", ref_filter_handler, &ref_cbdata, broken); | |
1522 | if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD)) | |
1523 | head_ref(ref_filter_handler, &ref_cbdata); | |
1524 | } | |
1525 | ||
35257aa0 KN |
1526 | |
1527 | /* Filters that need revision walking */ | |
1528 | if (filter->merge_commit) | |
1529 | do_merge_filter(&ref_cbdata); | |
1530 | ||
1531 | return ret; | |
14de7fba KN |
1532 | } |
1533 | ||
c95b7585 KN |
1534 | static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b) |
1535 | { | |
1536 | struct atom_value *va, *vb; | |
1537 | int cmp; | |
b072add7 | 1538 | cmp_type cmp_type = used_atom[s->atom].type; |
c95b7585 KN |
1539 | |
1540 | get_ref_atom_value(a, s->atom, &va); | |
1541 | get_ref_atom_value(b, s->atom, &vb); | |
90c00408 KN |
1542 | if (s->version) |
1543 | cmp = versioncmp(va->s, vb->s); | |
1544 | else if (cmp_type == FIELD_STR) | |
c95b7585 | 1545 | cmp = strcmp(va->s, vb->s); |
90c00408 | 1546 | else { |
c95b7585 KN |
1547 | if (va->ul < vb->ul) |
1548 | cmp = -1; | |
1549 | else if (va->ul == vb->ul) | |
9e468334 | 1550 | cmp = strcmp(a->refname, b->refname); |
c95b7585 KN |
1551 | else |
1552 | cmp = 1; | |
c95b7585 | 1553 | } |
90c00408 | 1554 | |
c95b7585 KN |
1555 | return (s->reverse) ? -cmp : cmp; |
1556 | } | |
1557 | ||
1558 | static struct ref_sorting *ref_sorting; | |
1559 | static int compare_refs(const void *a_, const void *b_) | |
1560 | { | |
1561 | struct ref_array_item *a = *((struct ref_array_item **)a_); | |
1562 | struct ref_array_item *b = *((struct ref_array_item **)b_); | |
1563 | struct ref_sorting *s; | |
1564 | ||
1565 | for (s = ref_sorting; s; s = s->next) { | |
1566 | int cmp = cmp_ref_sorting(s, a, b); | |
1567 | if (cmp) | |
1568 | return cmp; | |
1569 | } | |
1570 | return 0; | |
1571 | } | |
1572 | ||
1573 | void ref_array_sort(struct ref_sorting *sorting, struct ref_array *array) | |
1574 | { | |
1575 | ref_sorting = sorting; | |
1576 | qsort(array->items, array->nr, sizeof(struct ref_array_item *), compare_refs); | |
1577 | } | |
1578 | ||
c95b7585 KN |
1579 | static int hex1(char ch) |
1580 | { | |
1581 | if ('0' <= ch && ch <= '9') | |
1582 | return ch - '0'; | |
1583 | else if ('a' <= ch && ch <= 'f') | |
1584 | return ch - 'a' + 10; | |
1585 | else if ('A' <= ch && ch <= 'F') | |
1586 | return ch - 'A' + 10; | |
1587 | return -1; | |
1588 | } | |
1589 | static int hex2(const char *cp) | |
1590 | { | |
1591 | if (cp[0] && cp[1]) | |
1592 | return (hex1(cp[0]) << 4) | hex1(cp[1]); | |
1593 | else | |
1594 | return -1; | |
1595 | } | |
1596 | ||
574e96a2 | 1597 | static void append_literal(const char *cp, const char *ep, struct ref_formatting_state *state) |
c95b7585 | 1598 | { |
574e96a2 KN |
1599 | struct strbuf *s = &state->stack->output; |
1600 | ||
c95b7585 KN |
1601 | while (*cp && (!ep || cp < ep)) { |
1602 | if (*cp == '%') { | |
1603 | if (cp[1] == '%') | |
1604 | cp++; | |
1605 | else { | |
1606 | int ch = hex2(cp + 1); | |
1607 | if (0 <= ch) { | |
574e96a2 | 1608 | strbuf_addch(s, ch); |
c95b7585 KN |
1609 | cp += 3; |
1610 | continue; | |
1611 | } | |
1612 | } | |
1613 | } | |
574e96a2 | 1614 | strbuf_addch(s, *cp); |
c95b7585 KN |
1615 | cp++; |
1616 | } | |
1617 | } | |
1618 | ||
1619 | void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style) | |
1620 | { | |
1621 | const char *cp, *sp, *ep; | |
574e96a2 KN |
1622 | struct strbuf *final_buf; |
1623 | struct ref_formatting_state state = REF_FORMATTING_STATE_INIT; | |
1624 | ||
1625 | state.quote_style = quote_style; | |
1626 | push_stack_element(&state.stack); | |
c95b7585 KN |
1627 | |
1628 | for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) { | |
1629 | struct atom_value *atomv; | |
1630 | ||
1631 | ep = strchr(sp, ')'); | |
1632 | if (cp < sp) | |
574e96a2 | 1633 | append_literal(cp, sp, &state); |
c95b7585 | 1634 | get_ref_atom_value(info, parse_ref_filter_atom(sp + 2, ep), &atomv); |
63d89fbc | 1635 | atomv->handler(atomv, &state); |
c95b7585 KN |
1636 | } |
1637 | if (*cp) { | |
1638 | sp = cp + strlen(cp); | |
574e96a2 | 1639 | append_literal(cp, sp, &state); |
c95b7585 KN |
1640 | } |
1641 | if (need_color_reset_at_eol) { | |
1642 | struct atom_value resetv; | |
1643 | char color[COLOR_MAXLEN] = ""; | |
1644 | ||
1645 | if (color_parse("reset", color) < 0) | |
1646 | die("BUG: couldn't parse 'reset' as a color"); | |
1647 | resetv.s = color; | |
574e96a2 | 1648 | append_atom(&resetv, &state); |
c95b7585 | 1649 | } |
ce592082 KN |
1650 | if (state.stack->prev) |
1651 | die(_("format: %%(end) atom missing")); | |
574e96a2 KN |
1652 | final_buf = &state.stack->output; |
1653 | fwrite(final_buf->buf, 1, final_buf->len, stdout); | |
1654 | pop_stack_element(&state.stack); | |
c95b7585 KN |
1655 | putchar('\n'); |
1656 | } | |
1657 | ||
1658 | /* If no sorting option is given, use refname to sort as default */ | |
1659 | struct ref_sorting *ref_default_sorting(void) | |
1660 | { | |
1661 | static const char cstr_name[] = "refname"; | |
1662 | ||
1663 | struct ref_sorting *sorting = xcalloc(1, sizeof(*sorting)); | |
1664 | ||
1665 | sorting->next = NULL; | |
1666 | sorting->atom = parse_ref_filter_atom(cstr_name, cstr_name + strlen(cstr_name)); | |
1667 | return sorting; | |
1668 | } | |
1669 | ||
1670 | int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset) | |
1671 | { | |
1672 | struct ref_sorting **sorting_tail = opt->value; | |
1673 | struct ref_sorting *s; | |
1674 | int len; | |
1675 | ||
1676 | if (!arg) /* should --no-sort void the list ? */ | |
1677 | return -1; | |
1678 | ||
1679 | s = xcalloc(1, sizeof(*s)); | |
1680 | s->next = *sorting_tail; | |
1681 | *sorting_tail = s; | |
1682 | ||
1683 | if (*arg == '-') { | |
1684 | s->reverse = 1; | |
1685 | arg++; | |
1686 | } | |
90c00408 KN |
1687 | if (skip_prefix(arg, "version:", &arg) || |
1688 | skip_prefix(arg, "v:", &arg)) | |
1689 | s->version = 1; | |
c95b7585 KN |
1690 | len = strlen(arg); |
1691 | s->atom = parse_ref_filter_atom(arg, arg+len); | |
1692 | return 0; | |
1693 | } | |
5afcb905 KN |
1694 | |
1695 | int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) | |
1696 | { | |
1697 | struct ref_filter *rf = opt->value; | |
1698 | unsigned char sha1[20]; | |
1699 | ||
1700 | rf->merge = starts_with(opt->long_name, "no") | |
1701 | ? REF_FILTER_MERGED_OMIT | |
1702 | : REF_FILTER_MERGED_INCLUDE; | |
1703 | ||
1704 | if (get_sha1(arg, sha1)) | |
1705 | die(_("malformed object name %s"), arg); | |
1706 | ||
1707 | rf->merge_commit = lookup_commit_reference_gently(sha1, 0); | |
1708 | if (!rf->merge_commit) | |
1709 | return opterror(opt, "must point to a commit", 0); | |
1710 | ||
1711 | return 0; | |
1712 | } |