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Commit | Line | Data |
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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" | |
cbd53a21 | 6 | #include "object-store.h" |
109cd76d | 7 | #include "repository.h" |
c95b7585 KN |
8 | #include "commit.h" |
9 | #include "remote.h" | |
10 | #include "color.h" | |
11 | #include "tag.h" | |
12 | #include "quote.h" | |
13 | #include "ref-filter.h" | |
35257aa0 | 14 | #include "revision.h" |
ce592082 | 15 | #include "utf8.h" |
90c00408 KN |
16 | #include "git-compat-util.h" |
17 | #include "version.h" | |
b1d31c89 | 18 | #include "trailer.h" |
d4919bb2 | 19 | #include "wt-status.h" |
a91aca44 | 20 | #include "commit-slab.h" |
819807b3 | 21 | #include "commit-graph.h" |
64043556 | 22 | #include "commit-reach.h" |
2582083f NB |
23 | #include "worktree.h" |
24 | #include "hashmap.h" | |
dbbcd44f | 25 | #include "strvec.h" |
c95b7585 | 26 | |
6eac70fa KN |
27 | static struct ref_msg { |
28 | const char *gone; | |
29 | const char *ahead; | |
30 | const char *behind; | |
31 | const char *ahead_behind; | |
32 | } msgs = { | |
33 | /* Untranslated plumbing messages: */ | |
34 | "gone", | |
35 | "ahead %d", | |
36 | "behind %d", | |
37 | "ahead %d, behind %d" | |
38 | }; | |
39 | ||
40 | void setup_ref_filter_porcelain_msg(void) | |
41 | { | |
42 | msgs.gone = _("gone"); | |
43 | msgs.ahead = _("ahead %d"); | |
44 | msgs.behind = _("behind %d"); | |
45 | msgs.ahead_behind = _("ahead %d, behind %d"); | |
46 | } | |
c95b7585 KN |
47 | |
48 | typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type; | |
4f3e3b37 | 49 | typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status; |
a8e7e385 | 50 | typedef enum { SOURCE_NONE = 0, SOURCE_OBJ, SOURCE_OTHER } info_source; |
c95b7585 | 51 | |
5bd881d9 KN |
52 | struct align { |
53 | align_type position; | |
54 | unsigned int width; | |
55 | }; | |
56 | ||
c58492d4 | 57 | struct if_then_else { |
4f3e3b37 KN |
58 | cmp_status cmp_status; |
59 | const char *str; | |
c58492d4 KN |
60 | unsigned int then_atom_seen : 1, |
61 | else_atom_seen : 1, | |
62 | condition_satisfied : 1; | |
63 | }; | |
64 | ||
b180e6fe | 65 | struct refname_atom { |
1a34728e KN |
66 | enum { R_NORMAL, R_SHORT, R_LSTRIP, R_RSTRIP } option; |
67 | int lstrip, rstrip; | |
b180e6fe KN |
68 | }; |
69 | ||
ee82a487 HV |
70 | static struct ref_trailer_buf { |
71 | struct string_list filter_list; | |
72 | struct strbuf sepbuf; | |
73 | struct strbuf kvsepbuf; | |
74 | } ref_trailer_buf = {STRING_LIST_INIT_NODUP, STRBUF_INIT, STRBUF_INIT}; | |
75 | ||
aa46a0da OT |
76 | static struct expand_data { |
77 | struct object_id oid; | |
78 | enum object_type type; | |
79 | unsigned long size; | |
80 | off_t disk_size; | |
81 | struct object_id delta_base_oid; | |
82 | void *content; | |
83 | ||
84 | struct object_info info; | |
85 | } oi, oi_deref; | |
86 | ||
2582083f | 87 | struct ref_to_worktree_entry { |
e2b5038d | 88 | struct hashmap_entry ent; |
2582083f NB |
89 | struct worktree *wt; /* key is wt->head_ref */ |
90 | }; | |
91 | ||
92 | static int ref_to_worktree_map_cmpfnc(const void *unused_lookupdata, | |
939af16e EW |
93 | const struct hashmap_entry *eptr, |
94 | const struct hashmap_entry *kptr, | |
2582083f NB |
95 | const void *keydata_aka_refname) |
96 | { | |
939af16e EW |
97 | const struct ref_to_worktree_entry *e, *k; |
98 | ||
99 | e = container_of(eptr, const struct ref_to_worktree_entry, ent); | |
100 | k = container_of(kptr, const struct ref_to_worktree_entry, ent); | |
101 | ||
2582083f NB |
102 | return strcmp(e->wt->head_ref, |
103 | keydata_aka_refname ? keydata_aka_refname : k->wt->head_ref); | |
104 | } | |
105 | ||
106 | static struct ref_to_worktree_map { | |
107 | struct hashmap map; | |
108 | struct worktree **worktrees; | |
109 | } ref_to_worktree_map; | |
110 | ||
50cd83dc KN |
111 | /* |
112 | * An atom is a valid field atom listed below, possibly prefixed with | |
113 | * a "*" to denote deref_tag(). | |
114 | * | |
115 | * We parse given format string and sort specifiers, and make a list | |
116 | * of properties that we need to extract out of objects. ref_array_item | |
117 | * structure will hold an array of values extracted that can be | |
118 | * indexed with the "atom number", which is an index into this | |
119 | * array. | |
120 | */ | |
b072add7 KN |
121 | static struct used_atom { |
122 | const char *name; | |
123 | cmp_type type; | |
a8e7e385 | 124 | info_source source; |
fd935cc7 KN |
125 | union { |
126 | char color[COLOR_MAXLEN]; | |
5bd881d9 | 127 | struct align align; |
7743fcca | 128 | struct { |
cc72385f | 129 | enum { |
9700fae5 | 130 | RR_REF, RR_TRACK, RR_TRACKSHORT, RR_REMOTE_NAME, RR_REMOTE_REF |
cc72385f | 131 | } option; |
3ba308cb | 132 | struct refname_atom refname; |
cc72385f | 133 | unsigned int nobracket : 1, push : 1, push_remote : 1; |
7743fcca | 134 | } remote_ref; |
452db397 | 135 | struct { |
905f0a4e HV |
136 | enum { C_BARE, C_BODY, C_BODY_DEP, C_LENGTH, C_LINES, |
137 | C_SIG, C_SUB, C_SUB_SANITIZE, C_TRAILERS } option; | |
67a20a00 | 138 | struct process_trailer_options trailer_opts; |
452db397 KN |
139 | unsigned int nlines; |
140 | } contents; | |
4f3e3b37 KN |
141 | struct { |
142 | cmp_status cmp_status; | |
143 | const char *str; | |
144 | } if_then_else; | |
42d0eb05 KN |
145 | struct { |
146 | enum { O_FULL, O_LENGTH, O_SHORT } option; | |
147 | unsigned int length; | |
87d3beb6 | 148 | } oid; |
0caf20f2 ZH |
149 | struct { |
150 | enum { O_SIZE, O_SIZE_DISK } option; | |
151 | } objectsize; | |
b82445dc HV |
152 | struct email_option { |
153 | enum { EO_RAW, EO_TRIM, EO_LOCALPART } option; | |
154 | } email_option; | |
b180e6fe | 155 | struct refname_atom refname; |
613a0e52 | 156 | char *head; |
fd935cc7 | 157 | } u; |
b072add7 | 158 | } *used_atom; |
50cd83dc | 159 | static int used_atom_cnt, need_tagged, need_symref; |
50cd83dc | 160 | |
e2e7a245 OT |
161 | /* |
162 | * Expand string, append it to strbuf *sb, then return error code ret. | |
163 | * Allow to save few lines of code. | |
164 | */ | |
165 | static int strbuf_addf_ret(struct strbuf *sb, int ret, const char *fmt, ...) | |
166 | { | |
167 | va_list ap; | |
168 | va_start(ap, fmt); | |
169 | strbuf_vaddf(sb, fmt, ap); | |
170 | va_end(ap); | |
171 | return ret; | |
172 | } | |
173 | ||
74efea94 OT |
174 | static int color_atom_parser(const struct ref_format *format, struct used_atom *atom, |
175 | const char *color_value, struct strbuf *err) | |
fd935cc7 KN |
176 | { |
177 | if (!color_value) | |
74efea94 | 178 | return strbuf_addf_ret(err, -1, _("expected format: %%(color:<color>)")); |
fd935cc7 | 179 | if (color_parse(color_value, atom->u.color) < 0) |
74efea94 OT |
180 | return strbuf_addf_ret(err, -1, _("unrecognized color: %%(color:%s)"), |
181 | color_value); | |
11b087ad JK |
182 | /* |
183 | * We check this after we've parsed the color, which lets us complain | |
184 | * about syntactically bogus color names even if they won't be used. | |
185 | */ | |
186 | if (!want_color(format->use_color)) | |
187 | color_parse("", atom->u.color); | |
74efea94 | 188 | return 0; |
fd935cc7 KN |
189 | } |
190 | ||
74efea94 OT |
191 | static int refname_atom_parser_internal(struct refname_atom *atom, const char *arg, |
192 | const char *name, struct strbuf *err) | |
5339bdad KN |
193 | { |
194 | if (!arg) | |
b180e6fe | 195 | atom->option = R_NORMAL; |
5339bdad | 196 | else if (!strcmp(arg, "short")) |
b180e6fe | 197 | atom->option = R_SHORT; |
44a6b6ce JH |
198 | else if (skip_prefix(arg, "lstrip=", &arg) || |
199 | skip_prefix(arg, "strip=", &arg)) { | |
17938f17 | 200 | atom->option = R_LSTRIP; |
1a0ca5e3 | 201 | if (strtol_i(arg, 10, &atom->lstrip)) |
74efea94 | 202 | return strbuf_addf_ret(err, -1, _("Integer value expected refname:lstrip=%s"), arg); |
1a34728e KN |
203 | } else if (skip_prefix(arg, "rstrip=", &arg)) { |
204 | atom->option = R_RSTRIP; | |
205 | if (strtol_i(arg, 10, &atom->rstrip)) | |
74efea94 | 206 | return strbuf_addf_ret(err, -1, _("Integer value expected refname:rstrip=%s"), arg); |
b180e6fe | 207 | } else |
74efea94 OT |
208 | return strbuf_addf_ret(err, -1, _("unrecognized %%(%s) argument: %s"), name, arg); |
209 | return 0; | |
b180e6fe KN |
210 | } |
211 | ||
74efea94 OT |
212 | static int remote_ref_atom_parser(const struct ref_format *format, struct used_atom *atom, |
213 | const char *arg, struct strbuf *err) | |
5339bdad | 214 | { |
7743fcca KN |
215 | struct string_list params = STRING_LIST_INIT_DUP; |
216 | int i; | |
217 | ||
cc72385f JS |
218 | if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:")) |
219 | atom->u.remote_ref.push = 1; | |
220 | ||
7743fcca | 221 | if (!arg) { |
3ba308cb | 222 | atom->u.remote_ref.option = RR_REF; |
74efea94 OT |
223 | return refname_atom_parser_internal(&atom->u.remote_ref.refname, |
224 | arg, atom->name, err); | |
7743fcca KN |
225 | } |
226 | ||
227 | atom->u.remote_ref.nobracket = 0; | |
228 | string_list_split(¶ms, arg, ',', -1); | |
229 | ||
230 | for (i = 0; i < params.nr; i++) { | |
231 | const char *s = params.items[i].string; | |
232 | ||
3ba308cb | 233 | if (!strcmp(s, "track")) |
7743fcca KN |
234 | atom->u.remote_ref.option = RR_TRACK; |
235 | else if (!strcmp(s, "trackshort")) | |
236 | atom->u.remote_ref.option = RR_TRACKSHORT; | |
237 | else if (!strcmp(s, "nobracket")) | |
238 | atom->u.remote_ref.nobracket = 1; | |
cc72385f JS |
239 | else if (!strcmp(s, "remotename")) { |
240 | atom->u.remote_ref.option = RR_REMOTE_NAME; | |
241 | atom->u.remote_ref.push_remote = 1; | |
9700fae5 W |
242 | } else if (!strcmp(s, "remoteref")) { |
243 | atom->u.remote_ref.option = RR_REMOTE_REF; | |
244 | atom->u.remote_ref.push_remote = 1; | |
cc72385f | 245 | } else { |
3ba308cb | 246 | atom->u.remote_ref.option = RR_REF; |
74efea94 OT |
247 | if (refname_atom_parser_internal(&atom->u.remote_ref.refname, |
248 | arg, atom->name, err)) { | |
249 | string_list_clear(¶ms, 0); | |
250 | return -1; | |
251 | } | |
3ba308cb | 252 | } |
7743fcca KN |
253 | } |
254 | ||
255 | string_list_clear(¶ms, 0); | |
74efea94 | 256 | return 0; |
5339bdad KN |
257 | } |
258 | ||
aa46a0da OT |
259 | static int objecttype_atom_parser(const struct ref_format *format, struct used_atom *atom, |
260 | const char *arg, struct strbuf *err) | |
261 | { | |
262 | if (arg) | |
263 | return strbuf_addf_ret(err, -1, _("%%(objecttype) does not take arguments")); | |
264 | if (*atom->name == '*') | |
265 | oi_deref.info.typep = &oi_deref.type; | |
266 | else | |
267 | oi.info.typep = &oi.type; | |
268 | return 0; | |
269 | } | |
270 | ||
271 | static int objectsize_atom_parser(const struct ref_format *format, struct used_atom *atom, | |
272 | const char *arg, struct strbuf *err) | |
273 | { | |
1867ce6c | 274 | if (!arg) { |
0caf20f2 | 275 | atom->u.objectsize.option = O_SIZE; |
1867ce6c OT |
276 | if (*atom->name == '*') |
277 | oi_deref.info.sizep = &oi_deref.size; | |
278 | else | |
279 | oi.info.sizep = &oi.size; | |
280 | } else if (!strcmp(arg, "disk")) { | |
0caf20f2 | 281 | atom->u.objectsize.option = O_SIZE_DISK; |
1867ce6c OT |
282 | if (*atom->name == '*') |
283 | oi_deref.info.disk_sizep = &oi_deref.disk_size; | |
284 | else | |
285 | oi.info.disk_sizep = &oi.disk_size; | |
286 | } else | |
287 | return strbuf_addf_ret(err, -1, _("unrecognized %%(objectsize) argument: %s"), arg); | |
aa46a0da OT |
288 | return 0; |
289 | } | |
290 | ||
33311fa1 OT |
291 | static int deltabase_atom_parser(const struct ref_format *format, struct used_atom *atom, |
292 | const char *arg, struct strbuf *err) | |
aa46a0da OT |
293 | { |
294 | if (arg) | |
33311fa1 | 295 | return strbuf_addf_ret(err, -1, _("%%(deltabase) does not take arguments")); |
aa46a0da | 296 | if (*atom->name == '*') |
b99b6bcc | 297 | oi_deref.info.delta_base_oid = &oi_deref.delta_base_oid; |
aa46a0da | 298 | else |
b99b6bcc | 299 | oi.info.delta_base_oid = &oi.delta_base_oid; |
aa46a0da OT |
300 | return 0; |
301 | } | |
302 | ||
74efea94 OT |
303 | static int body_atom_parser(const struct ref_format *format, struct used_atom *atom, |
304 | const char *arg, struct strbuf *err) | |
452db397 KN |
305 | { |
306 | if (arg) | |
74efea94 | 307 | return strbuf_addf_ret(err, -1, _("%%(body) does not take arguments")); |
452db397 | 308 | atom->u.contents.option = C_BODY_DEP; |
74efea94 | 309 | return 0; |
452db397 KN |
310 | } |
311 | ||
74efea94 OT |
312 | static int subject_atom_parser(const struct ref_format *format, struct used_atom *atom, |
313 | const char *arg, struct strbuf *err) | |
452db397 | 314 | { |
905f0a4e HV |
315 | if (!arg) |
316 | atom->u.contents.option = C_SUB; | |
317 | else if (!strcmp(arg, "sanitize")) | |
318 | atom->u.contents.option = C_SUB_SANITIZE; | |
319 | else | |
320 | return strbuf_addf_ret(err, -1, _("unrecognized %%(subject) argument: %s"), arg); | |
74efea94 | 321 | return 0; |
452db397 KN |
322 | } |
323 | ||
74efea94 OT |
324 | static int trailers_atom_parser(const struct ref_format *format, struct used_atom *atom, |
325 | const char *arg, struct strbuf *err) | |
b1d31c89 | 326 | { |
e5fba5d5 JK |
327 | atom->u.contents.trailer_opts.no_divider = 1; |
328 | ||
67a20a00 | 329 | if (arg) { |
ee82a487 HV |
330 | const char *argbuf = xstrfmt("%s)", arg); |
331 | char *invalid_arg = NULL; | |
332 | ||
333 | if (format_set_trailers_options(&atom->u.contents.trailer_opts, | |
334 | &ref_trailer_buf.filter_list, | |
335 | &ref_trailer_buf.sepbuf, | |
336 | &ref_trailer_buf.kvsepbuf, | |
337 | &argbuf, &invalid_arg)) { | |
338 | if (!invalid_arg) | |
339 | strbuf_addf(err, _("expected %%(trailers:key=<value>)")); | |
340 | else | |
341 | strbuf_addf(err, _("unknown %%(trailers) argument: %s"), invalid_arg); | |
342 | free((char *)invalid_arg); | |
343 | return -1; | |
67a20a00 TB |
344 | } |
345 | } | |
b1d31c89 | 346 | atom->u.contents.option = C_TRAILERS; |
74efea94 | 347 | return 0; |
b1d31c89 JK |
348 | } |
349 | ||
74efea94 OT |
350 | static int contents_atom_parser(const struct ref_format *format, struct used_atom *atom, |
351 | const char *arg, struct strbuf *err) | |
452db397 KN |
352 | { |
353 | if (!arg) | |
354 | atom->u.contents.option = C_BARE; | |
355 | else if (!strcmp(arg, "body")) | |
356 | atom->u.contents.option = C_BODY; | |
b6839fda CC |
357 | else if (!strcmp(arg, "size")) |
358 | atom->u.contents.option = C_LENGTH; | |
452db397 KN |
359 | else if (!strcmp(arg, "signature")) |
360 | atom->u.contents.option = C_SIG; | |
361 | else if (!strcmp(arg, "subject")) | |
362 | atom->u.contents.option = C_SUB; | |
2c22e102 HV |
363 | else if (!strcmp(arg, "trailers")) { |
364 | if (trailers_atom_parser(format, atom, NULL, err)) | |
365 | return -1; | |
366 | } else if (skip_prefix(arg, "trailers:", &arg)) { | |
367 | if (trailers_atom_parser(format, atom, arg, err)) | |
74efea94 | 368 | return -1; |
7a5edbdb | 369 | } else if (skip_prefix(arg, "lines=", &arg)) { |
452db397 KN |
370 | atom->u.contents.option = C_LINES; |
371 | if (strtoul_ui(arg, 10, &atom->u.contents.nlines)) | |
74efea94 | 372 | return strbuf_addf_ret(err, -1, _("positive value expected contents:lines=%s"), arg); |
452db397 | 373 | } else |
74efea94 OT |
374 | return strbuf_addf_ret(err, -1, _("unrecognized %%(contents) argument: %s"), arg); |
375 | return 0; | |
452db397 KN |
376 | } |
377 | ||
87d3beb6 HV |
378 | static int oid_atom_parser(const struct ref_format *format, struct used_atom *atom, |
379 | const char *arg, struct strbuf *err) | |
fe63c4d1 KN |
380 | { |
381 | if (!arg) | |
87d3beb6 | 382 | atom->u.oid.option = O_FULL; |
fe63c4d1 | 383 | else if (!strcmp(arg, "short")) |
87d3beb6 | 384 | atom->u.oid.option = O_SHORT; |
42d0eb05 | 385 | else if (skip_prefix(arg, "short=", &arg)) { |
87d3beb6 HV |
386 | atom->u.oid.option = O_LENGTH; |
387 | if (strtoul_ui(arg, 10, &atom->u.oid.length) || | |
388 | atom->u.oid.length == 0) | |
e7601eb5 | 389 | return strbuf_addf_ret(err, -1, _("positive value expected '%s' in %%(%s)"), arg, atom->name); |
87d3beb6 HV |
390 | if (atom->u.oid.length < MINIMUM_ABBREV) |
391 | atom->u.oid.length = MINIMUM_ABBREV; | |
42d0eb05 | 392 | } else |
e7601eb5 | 393 | return strbuf_addf_ret(err, -1, _("unrecognized argument '%s' in %%(%s)"), arg, atom->name); |
74efea94 | 394 | return 0; |
fe63c4d1 KN |
395 | } |
396 | ||
b82445dc HV |
397 | static int person_email_atom_parser(const struct ref_format *format, struct used_atom *atom, |
398 | const char *arg, struct strbuf *err) | |
399 | { | |
400 | if (!arg) | |
401 | atom->u.email_option.option = EO_RAW; | |
402 | else if (!strcmp(arg, "trim")) | |
403 | atom->u.email_option.option = EO_TRIM; | |
404 | else if (!strcmp(arg, "localpart")) | |
405 | atom->u.email_option.option = EO_LOCALPART; | |
406 | else | |
407 | return strbuf_addf_ret(err, -1, _("unrecognized email option: %s"), arg); | |
74efea94 | 408 | return 0; |
fe63c4d1 KN |
409 | } |
410 | ||
74efea94 OT |
411 | static int refname_atom_parser(const struct ref_format *format, struct used_atom *atom, |
412 | const char *arg, struct strbuf *err) | |
a7984101 | 413 | { |
74efea94 | 414 | return refname_atom_parser_internal(&atom->u.refname, arg, atom->name, err); |
a7984101 KN |
415 | } |
416 | ||
25a8d79e KN |
417 | static align_type parse_align_position(const char *s) |
418 | { | |
419 | if (!strcmp(s, "right")) | |
420 | return ALIGN_RIGHT; | |
421 | else if (!strcmp(s, "middle")) | |
422 | return ALIGN_MIDDLE; | |
423 | else if (!strcmp(s, "left")) | |
424 | return ALIGN_LEFT; | |
425 | return -1; | |
426 | } | |
427 | ||
74efea94 OT |
428 | static int align_atom_parser(const struct ref_format *format, struct used_atom *atom, |
429 | const char *arg, struct strbuf *err) | |
5bd881d9 KN |
430 | { |
431 | struct align *align = &atom->u.align; | |
432 | struct string_list params = STRING_LIST_INIT_DUP; | |
433 | int i; | |
434 | unsigned int width = ~0U; | |
435 | ||
436 | if (!arg) | |
74efea94 | 437 | return strbuf_addf_ret(err, -1, _("expected format: %%(align:<width>,<position>)")); |
5bd881d9 KN |
438 | |
439 | align->position = ALIGN_LEFT; | |
440 | ||
441 | string_list_split(¶ms, arg, ',', -1); | |
442 | for (i = 0; i < params.nr; i++) { | |
443 | const char *s = params.items[i].string; | |
444 | int position; | |
445 | ||
395fb8f9 KN |
446 | if (skip_prefix(s, "position=", &s)) { |
447 | position = parse_align_position(s); | |
74efea94 OT |
448 | if (position < 0) { |
449 | strbuf_addf(err, _("unrecognized position:%s"), s); | |
450 | string_list_clear(¶ms, 0); | |
451 | return -1; | |
452 | } | |
395fb8f9 KN |
453 | align->position = position; |
454 | } else if (skip_prefix(s, "width=", &s)) { | |
74efea94 OT |
455 | if (strtoul_ui(s, 10, &width)) { |
456 | strbuf_addf(err, _("unrecognized width:%s"), s); | |
457 | string_list_clear(¶ms, 0); | |
458 | return -1; | |
459 | } | |
395fb8f9 | 460 | } else if (!strtoul_ui(s, 10, &width)) |
5bd881d9 KN |
461 | ; |
462 | else if ((position = parse_align_position(s)) >= 0) | |
463 | align->position = position; | |
74efea94 OT |
464 | else { |
465 | strbuf_addf(err, _("unrecognized %%(align) argument: %s"), s); | |
466 | string_list_clear(¶ms, 0); | |
467 | return -1; | |
468 | } | |
5bd881d9 KN |
469 | } |
470 | ||
74efea94 OT |
471 | if (width == ~0U) { |
472 | string_list_clear(¶ms, 0); | |
473 | return strbuf_addf_ret(err, -1, _("positive width expected with the %%(align) atom")); | |
474 | } | |
5bd881d9 KN |
475 | align->width = width; |
476 | string_list_clear(¶ms, 0); | |
74efea94 | 477 | return 0; |
5bd881d9 KN |
478 | } |
479 | ||
74efea94 OT |
480 | static int if_atom_parser(const struct ref_format *format, struct used_atom *atom, |
481 | const char *arg, struct strbuf *err) | |
4f3e3b37 KN |
482 | { |
483 | if (!arg) { | |
484 | atom->u.if_then_else.cmp_status = COMPARE_NONE; | |
74efea94 | 485 | return 0; |
4f3e3b37 KN |
486 | } else if (skip_prefix(arg, "equals=", &atom->u.if_then_else.str)) { |
487 | atom->u.if_then_else.cmp_status = COMPARE_EQUAL; | |
488 | } else if (skip_prefix(arg, "notequals=", &atom->u.if_then_else.str)) { | |
489 | atom->u.if_then_else.cmp_status = COMPARE_UNEQUAL; | |
74efea94 OT |
490 | } else |
491 | return strbuf_addf_ret(err, -1, _("unrecognized %%(if) argument: %s"), arg); | |
492 | return 0; | |
4f3e3b37 KN |
493 | } |
494 | ||
74efea94 OT |
495 | static int head_atom_parser(const struct ref_format *format, struct used_atom *atom, |
496 | const char *arg, struct strbuf *unused_err) | |
613a0e52 | 497 | { |
efbd4fdf | 498 | atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL); |
74efea94 | 499 | return 0; |
613a0e52 | 500 | } |
4f3e3b37 | 501 | |
c95b7585 KN |
502 | static struct { |
503 | const char *name; | |
a8e7e385 | 504 | info_source source; |
c95b7585 | 505 | cmp_type cmp_type; |
74efea94 OT |
506 | int (*parser)(const struct ref_format *format, struct used_atom *atom, |
507 | const char *arg, struct strbuf *err); | |
c95b7585 | 508 | } valid_atom[] = { |
a8e7e385 | 509 | { "refname", SOURCE_NONE, FIELD_STR, refname_atom_parser }, |
aa46a0da OT |
510 | { "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser }, |
511 | { "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser }, | |
87d3beb6 | 512 | { "objectname", SOURCE_OTHER, FIELD_STR, oid_atom_parser }, |
33311fa1 | 513 | { "deltabase", SOURCE_OTHER, FIELD_STR, deltabase_atom_parser }, |
837adb10 | 514 | { "tree", SOURCE_OBJ, FIELD_STR, oid_atom_parser }, |
26bc0aaf | 515 | { "parent", SOURCE_OBJ, FIELD_STR, oid_atom_parser }, |
a8e7e385 OT |
516 | { "numparent", SOURCE_OBJ, FIELD_ULONG }, |
517 | { "object", SOURCE_OBJ }, | |
518 | { "type", SOURCE_OBJ }, | |
519 | { "tag", SOURCE_OBJ }, | |
520 | { "author", SOURCE_OBJ }, | |
521 | { "authorname", SOURCE_OBJ }, | |
b82445dc | 522 | { "authoremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, |
a8e7e385 OT |
523 | { "authordate", SOURCE_OBJ, FIELD_TIME }, |
524 | { "committer", SOURCE_OBJ }, | |
525 | { "committername", SOURCE_OBJ }, | |
b82445dc | 526 | { "committeremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, |
a8e7e385 OT |
527 | { "committerdate", SOURCE_OBJ, FIELD_TIME }, |
528 | { "tagger", SOURCE_OBJ }, | |
529 | { "taggername", SOURCE_OBJ }, | |
b82445dc | 530 | { "taggeremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, |
a8e7e385 OT |
531 | { "taggerdate", SOURCE_OBJ, FIELD_TIME }, |
532 | { "creator", SOURCE_OBJ }, | |
533 | { "creatordate", SOURCE_OBJ, FIELD_TIME }, | |
534 | { "subject", SOURCE_OBJ, FIELD_STR, subject_atom_parser }, | |
535 | { "body", SOURCE_OBJ, FIELD_STR, body_atom_parser }, | |
536 | { "trailers", SOURCE_OBJ, FIELD_STR, trailers_atom_parser }, | |
537 | { "contents", SOURCE_OBJ, FIELD_STR, contents_atom_parser }, | |
538 | { "upstream", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, | |
539 | { "push", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, | |
540 | { "symref", SOURCE_NONE, FIELD_STR, refname_atom_parser }, | |
541 | { "flag", SOURCE_NONE }, | |
542 | { "HEAD", SOURCE_NONE, FIELD_STR, head_atom_parser }, | |
543 | { "color", SOURCE_NONE, FIELD_STR, color_atom_parser }, | |
2582083f | 544 | { "worktreepath", SOURCE_NONE }, |
a8e7e385 OT |
545 | { "align", SOURCE_NONE, FIELD_STR, align_atom_parser }, |
546 | { "end", SOURCE_NONE }, | |
547 | { "if", SOURCE_NONE, FIELD_STR, if_atom_parser }, | |
548 | { "then", SOURCE_NONE }, | |
549 | { "else", SOURCE_NONE }, | |
5a59a230 NTND |
550 | /* |
551 | * Please update $__git_ref_fieldlist in git-completion.bash | |
552 | * when you add new atoms | |
553 | */ | |
c95b7585 KN |
554 | }; |
555 | ||
574e96a2 KN |
556 | #define REF_FORMATTING_STATE_INIT { 0, NULL } |
557 | ||
558 | struct ref_formatting_stack { | |
559 | struct ref_formatting_stack *prev; | |
560 | struct strbuf output; | |
c58492d4 | 561 | void (*at_end)(struct ref_formatting_stack **stack); |
ce592082 | 562 | void *at_end_data; |
574e96a2 KN |
563 | }; |
564 | ||
565 | struct ref_formatting_state { | |
566 | int quote_style; | |
567 | struct ref_formatting_stack *stack; | |
568 | }; | |
569 | ||
3a25761a KN |
570 | struct atom_value { |
571 | const char *s; | |
3fc8439c OT |
572 | int (*handler)(struct atom_value *atomv, struct ref_formatting_state *state, |
573 | struct strbuf *err); | |
e467dc14 | 574 | uintmax_t value; /* used for sorting when not FIELD_STR */ |
c58fc856 | 575 | struct used_atom *atom; |
3a25761a KN |
576 | }; |
577 | ||
c95b7585 KN |
578 | /* |
579 | * Used to parse format string and sort specifiers | |
580 | */ | |
ab7ded34 | 581 | static int parse_ref_filter_atom(const struct ref_format *format, |
e6ff7b3b OT |
582 | const char *atom, const char *ep, |
583 | struct strbuf *err) | |
c95b7585 KN |
584 | { |
585 | const char *sp; | |
4de707ea | 586 | const char *arg; |
e94ce139 | 587 | int i, at, atom_len; |
c95b7585 KN |
588 | |
589 | sp = atom; | |
590 | if (*sp == '*' && sp < ep) | |
591 | sp++; /* deref */ | |
592 | if (ep <= sp) | |
e6ff7b3b OT |
593 | return strbuf_addf_ret(err, -1, _("malformed field name: %.*s"), |
594 | (int)(ep-atom), atom); | |
c95b7585 KN |
595 | |
596 | /* Do we have the atom already used elsewhere? */ | |
597 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 KN |
598 | int len = strlen(used_atom[i].name); |
599 | if (len == ep - atom && !memcmp(used_atom[i].name, atom, len)) | |
c95b7585 KN |
600 | return i; |
601 | } | |
602 | ||
e94ce139 SG |
603 | /* |
604 | * If the atom name has a colon, strip it and everything after | |
605 | * it off - it specifies the format for this entry, and | |
606 | * shouldn't be used for checking against the valid_atom | |
607 | * table. | |
608 | */ | |
609 | arg = memchr(sp, ':', ep - sp); | |
610 | atom_len = (arg ? arg : ep) - sp; | |
611 | ||
c95b7585 KN |
612 | /* Is the atom a valid one? */ |
613 | for (i = 0; i < ARRAY_SIZE(valid_atom); i++) { | |
614 | int len = strlen(valid_atom[i].name); | |
e94ce139 | 615 | if (len == atom_len && !memcmp(valid_atom[i].name, sp, len)) |
c95b7585 KN |
616 | break; |
617 | } | |
618 | ||
619 | if (ARRAY_SIZE(valid_atom) <= i) | |
e6ff7b3b OT |
620 | return strbuf_addf_ret(err, -1, _("unknown field name: %.*s"), |
621 | (int)(ep-atom), atom); | |
47bd3d0c SG |
622 | if (valid_atom[i].source != SOURCE_NONE && !have_git_dir()) |
623 | return strbuf_addf_ret(err, -1, | |
624 | _("not a git repository, but the field '%.*s' requires access to object data"), | |
625 | (int)(ep-atom), atom); | |
c95b7585 KN |
626 | |
627 | /* Add it in, including the deref prefix */ | |
628 | at = used_atom_cnt; | |
629 | used_atom_cnt++; | |
630 | REALLOC_ARRAY(used_atom, used_atom_cnt); | |
b072add7 KN |
631 | used_atom[at].name = xmemdupz(atom, ep - atom); |
632 | used_atom[at].type = valid_atom[i].cmp_type; | |
a8e7e385 | 633 | used_atom[at].source = valid_atom[i].source; |
aa46a0da OT |
634 | if (used_atom[at].source == SOURCE_OBJ) { |
635 | if (*atom == '*') | |
636 | oi_deref.info.contentp = &oi_deref.content; | |
637 | else | |
638 | oi.info.contentp = &oi.content; | |
639 | } | |
bea4dbea | 640 | if (arg) { |
4de707ea | 641 | arg = used_atom[at].name + (arg - atom) + 1; |
bea4dbea TB |
642 | if (!*arg) { |
643 | /* | |
644 | * Treat empty sub-arguments list as NULL (i.e., | |
645 | * "%(atom:)" is equivalent to "%(atom)"). | |
646 | */ | |
647 | arg = NULL; | |
648 | } | |
649 | } | |
fd935cc7 | 650 | memset(&used_atom[at].u, 0, sizeof(used_atom[at].u)); |
74efea94 OT |
651 | if (valid_atom[i].parser && valid_atom[i].parser(format, &used_atom[at], arg, err)) |
652 | return -1; | |
c95b7585 KN |
653 | if (*atom == '*') |
654 | need_tagged = 1; | |
01f95825 | 655 | if (!strcmp(valid_atom[i].name, "symref")) |
c95b7585 KN |
656 | need_symref = 1; |
657 | return at; | |
658 | } | |
659 | ||
63d89fbc KN |
660 | static void quote_formatting(struct strbuf *s, const char *str, int quote_style) |
661 | { | |
662 | switch (quote_style) { | |
663 | case QUOTE_NONE: | |
664 | strbuf_addstr(s, str); | |
665 | break; | |
666 | case QUOTE_SHELL: | |
667 | sq_quote_buf(s, str); | |
668 | break; | |
669 | case QUOTE_PERL: | |
670 | perl_quote_buf(s, str); | |
671 | break; | |
672 | case QUOTE_PYTHON: | |
673 | python_quote_buf(s, str); | |
674 | break; | |
675 | case QUOTE_TCL: | |
676 | tcl_quote_buf(s, str); | |
677 | break; | |
678 | } | |
679 | } | |
680 | ||
3fc8439c OT |
681 | static int append_atom(struct atom_value *v, struct ref_formatting_state *state, |
682 | struct strbuf *unused_err) | |
63d89fbc | 683 | { |
ce592082 KN |
684 | /* |
685 | * Quote formatting is only done when the stack has a single | |
686 | * element. Otherwise quote formatting is done on the | |
687 | * element's entire output strbuf when the %(end) atom is | |
688 | * encountered. | |
689 | */ | |
690 | if (!state->stack->prev) | |
691 | quote_formatting(&state->stack->output, v->s, state->quote_style); | |
692 | else | |
693 | strbuf_addstr(&state->stack->output, v->s); | |
3fc8439c | 694 | return 0; |
63d89fbc KN |
695 | } |
696 | ||
574e96a2 KN |
697 | static void push_stack_element(struct ref_formatting_stack **stack) |
698 | { | |
699 | struct ref_formatting_stack *s = xcalloc(1, sizeof(struct ref_formatting_stack)); | |
700 | ||
701 | strbuf_init(&s->output, 0); | |
702 | s->prev = *stack; | |
703 | *stack = s; | |
704 | } | |
705 | ||
706 | static void pop_stack_element(struct ref_formatting_stack **stack) | |
707 | { | |
708 | struct ref_formatting_stack *current = *stack; | |
709 | struct ref_formatting_stack *prev = current->prev; | |
710 | ||
711 | if (prev) | |
712 | strbuf_addbuf(&prev->output, ¤t->output); | |
713 | strbuf_release(¤t->output); | |
714 | free(current); | |
715 | *stack = prev; | |
716 | } | |
717 | ||
c58492d4 | 718 | static void end_align_handler(struct ref_formatting_stack **stack) |
ce592082 | 719 | { |
c58492d4 KN |
720 | struct ref_formatting_stack *cur = *stack; |
721 | struct align *align = (struct align *)cur->at_end_data; | |
ce592082 KN |
722 | struct strbuf s = STRBUF_INIT; |
723 | ||
c58492d4 KN |
724 | strbuf_utf8_align(&s, align->position, align->width, cur->output.buf); |
725 | strbuf_swap(&cur->output, &s); | |
ce592082 KN |
726 | strbuf_release(&s); |
727 | } | |
728 | ||
3fc8439c OT |
729 | static int align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
730 | struct strbuf *unused_err) | |
ce592082 | 731 | { |
1472b5bf | 732 | struct ref_formatting_stack *new_stack; |
ce592082 KN |
733 | |
734 | push_stack_element(&state->stack); | |
1472b5bf BW |
735 | new_stack = state->stack; |
736 | new_stack->at_end = end_align_handler; | |
737 | new_stack->at_end_data = &atomv->atom->u.align; | |
3fc8439c | 738 | return 0; |
ce592082 KN |
739 | } |
740 | ||
c58492d4 KN |
741 | static void if_then_else_handler(struct ref_formatting_stack **stack) |
742 | { | |
743 | struct ref_formatting_stack *cur = *stack; | |
744 | struct ref_formatting_stack *prev = cur->prev; | |
745 | struct if_then_else *if_then_else = (struct if_then_else *)cur->at_end_data; | |
746 | ||
747 | if (!if_then_else->then_atom_seen) | |
748 | die(_("format: %%(if) atom used without a %%(then) atom")); | |
749 | ||
750 | if (if_then_else->else_atom_seen) { | |
751 | /* | |
752 | * There is an %(else) atom: we need to drop one state from the | |
753 | * stack, either the %(else) branch if the condition is satisfied, or | |
754 | * the %(then) branch if it isn't. | |
755 | */ | |
756 | if (if_then_else->condition_satisfied) { | |
757 | strbuf_reset(&cur->output); | |
758 | pop_stack_element(&cur); | |
759 | } else { | |
760 | strbuf_swap(&cur->output, &prev->output); | |
761 | strbuf_reset(&cur->output); | |
762 | pop_stack_element(&cur); | |
763 | } | |
764 | } else if (!if_then_else->condition_satisfied) { | |
765 | /* | |
766 | * No %(else) atom: just drop the %(then) branch if the | |
767 | * condition is not satisfied. | |
768 | */ | |
769 | strbuf_reset(&cur->output); | |
770 | } | |
771 | ||
772 | *stack = cur; | |
773 | free(if_then_else); | |
774 | } | |
775 | ||
3fc8439c OT |
776 | static int if_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
777 | struct strbuf *unused_err) | |
c58492d4 | 778 | { |
1472b5bf | 779 | struct ref_formatting_stack *new_stack; |
241b5d3e RS |
780 | struct if_then_else *if_then_else = xcalloc(1, |
781 | sizeof(struct if_then_else)); | |
c58492d4 | 782 | |
4f3e3b37 KN |
783 | if_then_else->str = atomv->atom->u.if_then_else.str; |
784 | if_then_else->cmp_status = atomv->atom->u.if_then_else.cmp_status; | |
785 | ||
c58492d4 | 786 | push_stack_element(&state->stack); |
1472b5bf BW |
787 | new_stack = state->stack; |
788 | new_stack->at_end = if_then_else_handler; | |
789 | new_stack->at_end_data = if_then_else; | |
3fc8439c | 790 | return 0; |
c58492d4 KN |
791 | } |
792 | ||
793 | static int is_empty(const char *s) | |
794 | { | |
795 | while (*s != '\0') { | |
796 | if (!isspace(*s)) | |
797 | return 0; | |
798 | s++; | |
799 | } | |
800 | return 1; | |
801 | } | |
802 | ||
3fc8439c OT |
803 | static int then_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
804 | struct strbuf *err) | |
c58492d4 KN |
805 | { |
806 | struct ref_formatting_stack *cur = state->stack; | |
807 | struct if_then_else *if_then_else = NULL; | |
808 | ||
809 | if (cur->at_end == if_then_else_handler) | |
810 | if_then_else = (struct if_then_else *)cur->at_end_data; | |
811 | if (!if_then_else) | |
3fc8439c | 812 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used without an %%(if) atom")); |
c58492d4 | 813 | if (if_then_else->then_atom_seen) |
3fc8439c | 814 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used more than once")); |
c58492d4 | 815 | if (if_then_else->else_atom_seen) |
3fc8439c | 816 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used after %%(else)")); |
c58492d4 KN |
817 | if_then_else->then_atom_seen = 1; |
818 | /* | |
4f3e3b37 KN |
819 | * If the 'equals' or 'notequals' attribute is used then |
820 | * perform the required comparison. If not, only non-empty | |
821 | * strings satisfy the 'if' condition. | |
c58492d4 | 822 | */ |
4f3e3b37 KN |
823 | if (if_then_else->cmp_status == COMPARE_EQUAL) { |
824 | if (!strcmp(if_then_else->str, cur->output.buf)) | |
825 | if_then_else->condition_satisfied = 1; | |
826 | } else if (if_then_else->cmp_status == COMPARE_UNEQUAL) { | |
827 | if (strcmp(if_then_else->str, cur->output.buf)) | |
828 | if_then_else->condition_satisfied = 1; | |
829 | } else if (cur->output.len && !is_empty(cur->output.buf)) | |
c58492d4 KN |
830 | if_then_else->condition_satisfied = 1; |
831 | strbuf_reset(&cur->output); | |
3fc8439c | 832 | return 0; |
c58492d4 KN |
833 | } |
834 | ||
3fc8439c OT |
835 | static int else_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
836 | struct strbuf *err) | |
c58492d4 KN |
837 | { |
838 | struct ref_formatting_stack *prev = state->stack; | |
839 | struct if_then_else *if_then_else = NULL; | |
840 | ||
841 | if (prev->at_end == if_then_else_handler) | |
842 | if_then_else = (struct if_then_else *)prev->at_end_data; | |
843 | if (!if_then_else) | |
3fc8439c | 844 | return strbuf_addf_ret(err, -1, _("format: %%(else) atom used without an %%(if) atom")); |
c58492d4 | 845 | if (!if_then_else->then_atom_seen) |
3fc8439c | 846 | return strbuf_addf_ret(err, -1, _("format: %%(else) atom used without a %%(then) atom")); |
c58492d4 | 847 | if (if_then_else->else_atom_seen) |
3fc8439c | 848 | return strbuf_addf_ret(err, -1, _("format: %%(else) atom used more than once")); |
c58492d4 KN |
849 | if_then_else->else_atom_seen = 1; |
850 | push_stack_element(&state->stack); | |
851 | state->stack->at_end_data = prev->at_end_data; | |
852 | state->stack->at_end = prev->at_end; | |
3fc8439c | 853 | return 0; |
ce592082 KN |
854 | } |
855 | ||
3fc8439c OT |
856 | static int end_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
857 | struct strbuf *err) | |
ce592082 KN |
858 | { |
859 | struct ref_formatting_stack *current = state->stack; | |
860 | struct strbuf s = STRBUF_INIT; | |
861 | ||
862 | if (!current->at_end) | |
3fc8439c | 863 | return strbuf_addf_ret(err, -1, _("format: %%(end) atom used without corresponding atom")); |
c58492d4 KN |
864 | current->at_end(&state->stack); |
865 | ||
866 | /* Stack may have been popped within at_end(), hence reset the current pointer */ | |
867 | current = state->stack; | |
ce592082 KN |
868 | |
869 | /* | |
870 | * Perform quote formatting when the stack element is that of | |
871 | * a supporting atom. If nested then perform quote formatting | |
872 | * only on the topmost supporting atom. | |
873 | */ | |
c58492d4 | 874 | if (!current->prev->prev) { |
ce592082 KN |
875 | quote_formatting(&s, current->output.buf, state->quote_style); |
876 | strbuf_swap(¤t->output, &s); | |
877 | } | |
878 | strbuf_release(&s); | |
879 | pop_stack_element(&state->stack); | |
3fc8439c | 880 | return 0; |
ce592082 KN |
881 | } |
882 | ||
c95b7585 KN |
883 | /* |
884 | * In a format string, find the next occurrence of %(atom). | |
885 | */ | |
886 | static const char *find_next(const char *cp) | |
887 | { | |
888 | while (*cp) { | |
889 | if (*cp == '%') { | |
890 | /* | |
891 | * %( is the start of an atom; | |
892 | * %% is a quoted per-cent. | |
893 | */ | |
894 | if (cp[1] == '(') | |
895 | return cp; | |
896 | else if (cp[1] == '%') | |
897 | cp++; /* skip over two % */ | |
898 | /* otherwise this is a singleton, literal % */ | |
899 | } | |
900 | cp++; | |
901 | } | |
902 | return NULL; | |
903 | } | |
904 | ||
905 | /* | |
906 | * Make sure the format string is well formed, and parse out | |
907 | * the used atoms. | |
908 | */ | |
4a68e36d | 909 | int verify_ref_format(struct ref_format *format) |
c95b7585 KN |
910 | { |
911 | const char *cp, *sp; | |
912 | ||
bf285ae6 | 913 | format->need_color_reset_at_eol = 0; |
4a68e36d | 914 | for (cp = format->format; *cp && (sp = find_next(cp)); ) { |
e6ff7b3b | 915 | struct strbuf err = STRBUF_INIT; |
c95b7585 KN |
916 | const char *color, *ep = strchr(sp, ')'); |
917 | int at; | |
918 | ||
919 | if (!ep) | |
1823c619 | 920 | return error(_("malformed format string %s"), sp); |
c95b7585 | 921 | /* sp points at "%(" and ep points at the closing ")" */ |
e6ff7b3b OT |
922 | at = parse_ref_filter_atom(format, sp + 2, ep, &err); |
923 | if (at < 0) | |
924 | die("%s", err.buf); | |
c95b7585 KN |
925 | cp = ep + 1; |
926 | ||
b072add7 | 927 | if (skip_prefix(used_atom[at].name, "color:", &color)) |
bf285ae6 | 928 | format->need_color_reset_at_eol = !!strcmp(color, "reset"); |
e6ff7b3b | 929 | strbuf_release(&err); |
c95b7585 | 930 | } |
11b087ad JK |
931 | if (format->need_color_reset_at_eol && !want_color(format->use_color)) |
932 | format->need_color_reset_at_eol = 0; | |
c95b7585 KN |
933 | return 0; |
934 | } | |
935 | ||
87d3beb6 HV |
936 | static const char *do_grab_oid(const char *field, const struct object_id *oid, |
937 | struct used_atom *atom) | |
c95b7585 | 938 | { |
87d3beb6 | 939 | switch (atom->u.oid.option) { |
5101100d HV |
940 | case O_FULL: |
941 | return oid_to_hex(oid); | |
942 | case O_LENGTH: | |
87d3beb6 | 943 | return find_unique_abbrev(oid, atom->u.oid.length); |
5101100d HV |
944 | case O_SHORT: |
945 | return find_unique_abbrev(oid, DEFAULT_ABBREV); | |
946 | default: | |
947 | BUG("unknown %%(%s) option", field); | |
948 | } | |
949 | } | |
950 | ||
87d3beb6 HV |
951 | static int grab_oid(const char *name, const char *field, const struct object_id *oid, |
952 | struct atom_value *v, struct used_atom *atom) | |
c95b7585 | 953 | { |
5101100d | 954 | if (starts_with(name, field)) { |
87d3beb6 | 955 | v->s = xstrdup(do_grab_oid(field, oid, atom)); |
5101100d | 956 | return 1; |
c95b7585 KN |
957 | } |
958 | return 0; | |
959 | } | |
960 | ||
961 | /* See grab_values */ | |
aa46a0da | 962 | static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi) |
c95b7585 KN |
963 | { |
964 | int i; | |
965 | ||
966 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 967 | const char *name = used_atom[i].name; |
c95b7585 KN |
968 | struct atom_value *v = &val[i]; |
969 | if (!!deref != (*name == '*')) | |
970 | continue; | |
971 | if (deref) | |
972 | name++; | |
973 | if (!strcmp(name, "objecttype")) | |
f0062d3b | 974 | v->s = xstrdup(type_name(oi->type)); |
0caf20f2 ZH |
975 | else if (starts_with(name, "objectsize")) { |
976 | if (used_atom[i].u.objectsize.option == O_SIZE_DISK) { | |
977 | v->value = oi->disk_size; | |
978 | v->s = xstrfmt("%"PRIuMAX, (uintmax_t)oi->disk_size); | |
979 | } else if (used_atom[i].u.objectsize.option == O_SIZE) { | |
980 | v->value = oi->size; | |
981 | v->s = xstrfmt("%"PRIuMAX , (uintmax_t)oi->size); | |
982 | } | |
33311fa1 OT |
983 | } else if (!strcmp(name, "deltabase")) |
984 | v->s = xstrdup(oid_to_hex(&oi->delta_base_oid)); | |
c95b7585 | 985 | else if (deref) |
87d3beb6 | 986 | grab_oid(name, "objectname", &oi->oid, v, &used_atom[i]); |
c95b7585 KN |
987 | } |
988 | } | |
989 | ||
990 | /* See grab_values */ | |
e0329199 | 991 | static void grab_tag_values(struct atom_value *val, int deref, struct object *obj) |
c95b7585 KN |
992 | { |
993 | int i; | |
994 | struct tag *tag = (struct tag *) obj; | |
995 | ||
996 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 997 | const char *name = used_atom[i].name; |
c95b7585 KN |
998 | struct atom_value *v = &val[i]; |
999 | if (!!deref != (*name == '*')) | |
1000 | continue; | |
1001 | if (deref) | |
1002 | name++; | |
1003 | if (!strcmp(name, "tag")) | |
f0062d3b | 1004 | v->s = xstrdup(tag->tag); |
c95b7585 | 1005 | else if (!strcmp(name, "type") && tag->tagged) |
f0062d3b | 1006 | v->s = xstrdup(type_name(tag->tagged->type)); |
a5e03bf5 | 1007 | else if (!strcmp(name, "object") && tag->tagged) |
f2fd0760 | 1008 | v->s = xstrdup(oid_to_hex(&tag->tagged->oid)); |
c95b7585 KN |
1009 | } |
1010 | } | |
1011 | ||
1012 | /* See grab_values */ | |
e0329199 | 1013 | static void grab_commit_values(struct atom_value *val, int deref, struct object *obj) |
c95b7585 KN |
1014 | { |
1015 | int i; | |
1016 | struct commit *commit = (struct commit *) obj; | |
1017 | ||
1018 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1019 | const char *name = used_atom[i].name; |
c95b7585 KN |
1020 | struct atom_value *v = &val[i]; |
1021 | if (!!deref != (*name == '*')) | |
1022 | continue; | |
1023 | if (deref) | |
1024 | name++; | |
837adb10 HV |
1025 | if (grab_oid(name, "tree", get_commit_tree_oid(commit), v, &used_atom[i])) |
1026 | continue; | |
1027 | if (!strcmp(name, "numparent")) { | |
e467dc14 JS |
1028 | v->value = commit_list_count(commit->parents); |
1029 | v->s = xstrfmt("%lu", (unsigned long)v->value); | |
c95b7585 | 1030 | } |
26bc0aaf | 1031 | else if (starts_with(name, "parent")) { |
c95b7585 | 1032 | struct commit_list *parents; |
a5e03bf5 JK |
1033 | struct strbuf s = STRBUF_INIT; |
1034 | for (parents = commit->parents; parents; parents = parents->next) { | |
26bc0aaf | 1035 | struct object_id *oid = &parents->item->object.oid; |
a5e03bf5 JK |
1036 | if (parents != commit->parents) |
1037 | strbuf_addch(&s, ' '); | |
26bc0aaf | 1038 | strbuf_addstr(&s, do_grab_oid("parent", oid, &used_atom[i])); |
c95b7585 | 1039 | } |
a5e03bf5 | 1040 | v->s = strbuf_detach(&s, NULL); |
c95b7585 KN |
1041 | } |
1042 | } | |
1043 | } | |
1044 | ||
5c326d12 | 1045 | static const char *find_wholine(const char *who, int wholen, const char *buf) |
c95b7585 KN |
1046 | { |
1047 | const char *eol; | |
1048 | while (*buf) { | |
1049 | if (!strncmp(buf, who, wholen) && | |
1050 | buf[wholen] == ' ') | |
1051 | return buf + wholen + 1; | |
1052 | eol = strchr(buf, '\n'); | |
1053 | if (!eol) | |
1054 | return ""; | |
1055 | eol++; | |
1056 | if (*eol == '\n') | |
1057 | return ""; /* end of header */ | |
1058 | buf = eol; | |
1059 | } | |
1060 | return ""; | |
1061 | } | |
1062 | ||
1063 | static const char *copy_line(const char *buf) | |
1064 | { | |
1065 | const char *eol = strchrnul(buf, '\n'); | |
1066 | return xmemdupz(buf, eol - buf); | |
1067 | } | |
1068 | ||
1069 | static const char *copy_name(const char *buf) | |
1070 | { | |
1071 | const char *cp; | |
1072 | for (cp = buf; *cp && *cp != '\n'; cp++) { | |
1073 | if (!strncmp(cp, " <", 2)) | |
1074 | return xmemdupz(buf, cp - buf); | |
1075 | } | |
8b3f33ef | 1076 | return xstrdup(""); |
c95b7585 KN |
1077 | } |
1078 | ||
b82445dc | 1079 | static const char *copy_email(const char *buf, struct used_atom *atom) |
c95b7585 KN |
1080 | { |
1081 | const char *email = strchr(buf, '<'); | |
1082 | const char *eoemail; | |
1083 | if (!email) | |
8b3f33ef | 1084 | return xstrdup(""); |
b82445dc HV |
1085 | switch (atom->u.email_option.option) { |
1086 | case EO_RAW: | |
1087 | eoemail = strchr(email, '>'); | |
1088 | if (eoemail) | |
1089 | eoemail++; | |
1090 | break; | |
1091 | case EO_TRIM: | |
1092 | email++; | |
1093 | eoemail = strchr(email, '>'); | |
1094 | break; | |
1095 | case EO_LOCALPART: | |
1096 | email++; | |
1097 | eoemail = strchr(email, '@'); | |
1098 | if (!eoemail) | |
1099 | eoemail = strchr(email, '>'); | |
1100 | break; | |
1101 | default: | |
1102 | BUG("unknown email option"); | |
1103 | } | |
1104 | ||
c95b7585 | 1105 | if (!eoemail) |
8b3f33ef | 1106 | return xstrdup(""); |
b82445dc | 1107 | return xmemdupz(email, eoemail - email); |
c95b7585 KN |
1108 | } |
1109 | ||
1110 | static char *copy_subject(const char *buf, unsigned long len) | |
1111 | { | |
9f75ce3d | 1112 | struct strbuf sb = STRBUF_INIT; |
c95b7585 KN |
1113 | int i; |
1114 | ||
9f75ce3d PB |
1115 | for (i = 0; i < len; i++) { |
1116 | if (buf[i] == '\r' && i + 1 < len && buf[i + 1] == '\n') | |
1117 | continue; /* ignore CR in CRLF */ | |
c95b7585 | 1118 | |
9f75ce3d PB |
1119 | if (buf[i] == '\n') |
1120 | strbuf_addch(&sb, ' '); | |
1121 | else | |
1122 | strbuf_addch(&sb, buf[i]); | |
1123 | } | |
1124 | return strbuf_detach(&sb, NULL); | |
c95b7585 KN |
1125 | } |
1126 | ||
1127 | static void grab_date(const char *buf, struct atom_value *v, const char *atomname) | |
1128 | { | |
1129 | const char *eoemail = strstr(buf, "> "); | |
1130 | char *zone; | |
dddbad72 | 1131 | timestamp_t timestamp; |
c95b7585 | 1132 | long tz; |
d939af12 | 1133 | struct date_mode date_mode = { DATE_NORMAL }; |
c95b7585 KN |
1134 | const char *formatp; |
1135 | ||
1136 | /* | |
1137 | * We got here because atomname ends in "date" or "date<something>"; | |
1138 | * it's not possible that <something> is not ":<format>" because | |
1139 | * parse_ref_filter_atom() wouldn't have allowed it, so we can assume that no | |
1140 | * ":" means no format is specified, and use the default. | |
1141 | */ | |
1142 | formatp = strchr(atomname, ':'); | |
1143 | if (formatp != NULL) { | |
1144 | formatp++; | |
d939af12 | 1145 | parse_date_format(formatp, &date_mode); |
c95b7585 KN |
1146 | } |
1147 | ||
1148 | if (!eoemail) | |
1149 | goto bad; | |
1aeb7e75 | 1150 | timestamp = parse_timestamp(eoemail + 2, &zone, 10); |
dddbad72 | 1151 | if (timestamp == TIME_MAX) |
c95b7585 KN |
1152 | goto bad; |
1153 | tz = strtol(zone, NULL, 10); | |
1154 | if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE) | |
1155 | goto bad; | |
d939af12 | 1156 | v->s = xstrdup(show_date(timestamp, tz, &date_mode)); |
e467dc14 | 1157 | v->value = timestamp; |
c95b7585 KN |
1158 | return; |
1159 | bad: | |
f0062d3b | 1160 | v->s = xstrdup(""); |
e467dc14 | 1161 | v->value = 0; |
c95b7585 KN |
1162 | } |
1163 | ||
1164 | /* See grab_values */ | |
5c326d12 | 1165 | static void grab_person(const char *who, struct atom_value *val, int deref, void *buf) |
c95b7585 KN |
1166 | { |
1167 | int i; | |
1168 | int wholen = strlen(who); | |
1169 | const char *wholine = NULL; | |
1170 | ||
1171 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1172 | const char *name = used_atom[i].name; |
c95b7585 KN |
1173 | struct atom_value *v = &val[i]; |
1174 | if (!!deref != (*name == '*')) | |
1175 | continue; | |
1176 | if (deref) | |
1177 | name++; | |
1178 | if (strncmp(who, name, wholen)) | |
1179 | continue; | |
1180 | if (name[wholen] != 0 && | |
1181 | strcmp(name + wholen, "name") && | |
b82445dc | 1182 | !starts_with(name + wholen, "email") && |
c95b7585 KN |
1183 | !starts_with(name + wholen, "date")) |
1184 | continue; | |
1185 | if (!wholine) | |
5c326d12 | 1186 | wholine = find_wholine(who, wholen, buf); |
c95b7585 KN |
1187 | if (!wholine) |
1188 | return; /* no point looking for it */ | |
1189 | if (name[wholen] == 0) | |
1190 | v->s = copy_line(wholine); | |
1191 | else if (!strcmp(name + wholen, "name")) | |
1192 | v->s = copy_name(wholine); | |
b82445dc HV |
1193 | else if (starts_with(name + wholen, "email")) |
1194 | v->s = copy_email(wholine, &used_atom[i]); | |
c95b7585 KN |
1195 | else if (starts_with(name + wholen, "date")) |
1196 | grab_date(wholine, v, name); | |
1197 | } | |
1198 | ||
1199 | /* | |
1200 | * For a tag or a commit object, if "creator" or "creatordate" is | |
1201 | * requested, do something special. | |
1202 | */ | |
1203 | if (strcmp(who, "tagger") && strcmp(who, "committer")) | |
1204 | return; /* "author" for commit object is not wanted */ | |
1205 | if (!wholine) | |
5c326d12 | 1206 | wholine = find_wholine(who, wholen, buf); |
c95b7585 KN |
1207 | if (!wholine) |
1208 | return; | |
1209 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1210 | const char *name = used_atom[i].name; |
c95b7585 KN |
1211 | struct atom_value *v = &val[i]; |
1212 | if (!!deref != (*name == '*')) | |
1213 | continue; | |
1214 | if (deref) | |
1215 | name++; | |
1216 | ||
1217 | if (starts_with(name, "creatordate")) | |
1218 | grab_date(wholine, v, name); | |
1219 | else if (!strcmp(name, "creator")) | |
1220 | v->s = copy_line(wholine); | |
1221 | } | |
1222 | } | |
1223 | ||
5c326d12 | 1224 | static void find_subpos(const char *buf, |
83dff3eb | 1225 | const char **sub, size_t *sublen, |
1226 | const char **body, size_t *bodylen, | |
1227 | size_t *nonsiglen, | |
1228 | const char **sig, size_t *siglen) | |
c95b7585 | 1229 | { |
482c1191 | 1230 | struct strbuf payload = STRBUF_INIT; |
1231 | struct strbuf signature = STRBUF_INIT; | |
c95b7585 | 1232 | const char *eol; |
482c1191 | 1233 | const char *end = buf + strlen(buf); |
1234 | const char *sigstart; | |
1235 | ||
88bce0e2 | 1236 | /* parse signature first; we might not even have a subject line */ |
1237 | parse_signature(buf, end - buf, &payload, &signature); | |
482c1191 | 1238 | |
c95b7585 KN |
1239 | /* skip past header until we hit empty line */ |
1240 | while (*buf && *buf != '\n') { | |
1241 | eol = strchrnul(buf, '\n'); | |
1242 | if (*eol) | |
1243 | eol++; | |
1244 | buf = eol; | |
1245 | } | |
1246 | /* skip any empty lines */ | |
1247 | while (*buf == '\n') | |
1248 | buf++; | |
482c1191 | 1249 | *sig = strbuf_detach(&signature, siglen); |
1250 | sigstart = buf + parse_signed_buffer(buf, strlen(buf)); | |
c95b7585 KN |
1251 | |
1252 | /* subject is first non-empty line */ | |
1253 | *sub = buf; | |
9f75ce3d PB |
1254 | /* subject goes to first empty line before signature begins */ |
1255 | if ((eol = strstr(*sub, "\n\n"))) { | |
482c1191 | 1256 | eol = eol < sigstart ? eol : sigstart; |
9f75ce3d PB |
1257 | /* check if message uses CRLF */ |
1258 | } else if (! (eol = strstr(*sub, "\r\n\r\n"))) { | |
1259 | /* treat whole message as subject */ | |
1260 | eol = strrchr(*sub, '\0'); | |
c95b7585 | 1261 | } |
9f75ce3d | 1262 | buf = eol; |
c95b7585 KN |
1263 | *sublen = buf - *sub; |
1264 | /* drop trailing newline, if present */ | |
9f75ce3d PB |
1265 | while (*sublen && ((*sub)[*sublen - 1] == '\n' || |
1266 | (*sub)[*sublen - 1] == '\r')) | |
c95b7585 KN |
1267 | *sublen -= 1; |
1268 | ||
1269 | /* skip any empty lines */ | |
9f75ce3d | 1270 | while (*buf == '\n' || *buf == '\r') |
c95b7585 KN |
1271 | buf++; |
1272 | *body = buf; | |
1273 | *bodylen = strlen(buf); | |
482c1191 | 1274 | *nonsiglen = sigstart - buf; |
c95b7585 KN |
1275 | } |
1276 | ||
1bb38e5a KN |
1277 | /* |
1278 | * If 'lines' is greater than 0, append that many lines from the given | |
1279 | * 'buf' of length 'size' to the given strbuf. | |
1280 | */ | |
1281 | static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines) | |
1282 | { | |
1283 | int i; | |
1284 | const char *sp, *eol; | |
1285 | size_t len; | |
1286 | ||
1287 | sp = buf; | |
1288 | ||
1289 | for (i = 0; i < lines && sp < buf + size; i++) { | |
1290 | if (i) | |
1291 | strbuf_addstr(out, "\n "); | |
1292 | eol = memchr(sp, '\n', size - (sp - buf)); | |
1293 | len = eol ? eol - sp : size - (sp - buf); | |
1294 | strbuf_add(out, sp, len); | |
1295 | if (!eol) | |
1296 | break; | |
1297 | sp = eol + 1; | |
1298 | } | |
1299 | } | |
1300 | ||
c95b7585 | 1301 | /* See grab_values */ |
5c326d12 | 1302 | static void grab_sub_body_contents(struct atom_value *val, int deref, void *buf) |
c95b7585 KN |
1303 | { |
1304 | int i; | |
1305 | const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; | |
83dff3eb | 1306 | size_t sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; |
c95b7585 KN |
1307 | |
1308 | for (i = 0; i < used_atom_cnt; i++) { | |
452db397 KN |
1309 | struct used_atom *atom = &used_atom[i]; |
1310 | const char *name = atom->name; | |
c95b7585 | 1311 | struct atom_value *v = &val[i]; |
482c1191 | 1312 | |
c95b7585 KN |
1313 | if (!!deref != (*name == '*')) |
1314 | continue; | |
1315 | if (deref) | |
1316 | name++; | |
905f0a4e HV |
1317 | if (strcmp(name, "body") && |
1318 | !starts_with(name, "subject") && | |
67a20a00 | 1319 | !starts_with(name, "trailers") && |
452db397 | 1320 | !starts_with(name, "contents")) |
c95b7585 KN |
1321 | continue; |
1322 | if (!subpos) | |
5c326d12 | 1323 | find_subpos(buf, |
c95b7585 KN |
1324 | &subpos, &sublen, |
1325 | &bodypos, &bodylen, &nonsiglen, | |
1326 | &sigpos, &siglen); | |
1327 | ||
452db397 | 1328 | if (atom->u.contents.option == C_SUB) |
c95b7585 | 1329 | v->s = copy_subject(subpos, sublen); |
905f0a4e HV |
1330 | else if (atom->u.contents.option == C_SUB_SANITIZE) { |
1331 | struct strbuf sb = STRBUF_INIT; | |
1332 | format_sanitized_subject(&sb, subpos, sublen); | |
1333 | v->s = strbuf_detach(&sb, NULL); | |
1334 | } else if (atom->u.contents.option == C_BODY_DEP) | |
c95b7585 | 1335 | v->s = xmemdupz(bodypos, bodylen); |
b6839fda CC |
1336 | else if (atom->u.contents.option == C_LENGTH) |
1337 | v->s = xstrfmt("%"PRIuMAX, (uintmax_t)strlen(subpos)); | |
452db397 | 1338 | else if (atom->u.contents.option == C_BODY) |
c95b7585 | 1339 | v->s = xmemdupz(bodypos, nonsiglen); |
452db397 | 1340 | else if (atom->u.contents.option == C_SIG) |
c95b7585 | 1341 | v->s = xmemdupz(sigpos, siglen); |
452db397 | 1342 | else if (atom->u.contents.option == C_LINES) { |
1bb38e5a | 1343 | struct strbuf s = STRBUF_INIT; |
88bce0e2 | 1344 | const char *contents_end = bodypos + nonsiglen; |
1bb38e5a | 1345 | |
1bb38e5a | 1346 | /* Size is the length of the message after removing the signature */ |
452db397 | 1347 | append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines); |
1bb38e5a | 1348 | v->s = strbuf_detach(&s, NULL); |
b1d31c89 | 1349 | } else if (atom->u.contents.option == C_TRAILERS) { |
67a20a00 | 1350 | struct strbuf s = STRBUF_INIT; |
b1d31c89 | 1351 | |
67a20a00 TB |
1352 | /* Format the trailer info according to the trailer_opts given */ |
1353 | format_trailers_from_commit(&s, subpos, &atom->u.contents.trailer_opts); | |
1354 | ||
1355 | v->s = strbuf_detach(&s, NULL); | |
452db397 KN |
1356 | } else if (atom->u.contents.option == C_BARE) |
1357 | v->s = xstrdup(subpos); | |
482c1191 | 1358 | |
c95b7585 | 1359 | } |
482c1191 | 1360 | free((void *)sigpos); |
c95b7585 KN |
1361 | } |
1362 | ||
1363 | /* | |
1364 | * We want to have empty print-string for field requests | |
1365 | * that do not apply (e.g. "authordate" for a tag object) | |
1366 | */ | |
1367 | static void fill_missing_values(struct atom_value *val) | |
1368 | { | |
1369 | int i; | |
1370 | for (i = 0; i < used_atom_cnt; i++) { | |
1371 | struct atom_value *v = &val[i]; | |
1372 | if (v->s == NULL) | |
f0062d3b | 1373 | v->s = xstrdup(""); |
c95b7585 KN |
1374 | } |
1375 | } | |
1376 | ||
1377 | /* | |
1378 | * val is a list of atom_value to hold returned values. Extract | |
1379 | * the values for atoms in used_atom array out of (obj, buf, sz). | |
1380 | * when deref is false, (obj, buf, sz) is the object that is | |
1381 | * pointed at by the ref itself; otherwise it is the object the | |
1382 | * ref (which is a tag) refers to. | |
1383 | */ | |
5c326d12 | 1384 | static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf) |
c95b7585 | 1385 | { |
c95b7585 KN |
1386 | switch (obj->type) { |
1387 | case OBJ_TAG: | |
e0329199 | 1388 | grab_tag_values(val, deref, obj); |
5c326d12 JK |
1389 | grab_sub_body_contents(val, deref, buf); |
1390 | grab_person("tagger", val, deref, buf); | |
c95b7585 KN |
1391 | break; |
1392 | case OBJ_COMMIT: | |
e0329199 | 1393 | grab_commit_values(val, deref, obj); |
5c326d12 JK |
1394 | grab_sub_body_contents(val, deref, buf); |
1395 | grab_person("author", val, deref, buf); | |
1396 | grab_person("committer", val, deref, buf); | |
c95b7585 KN |
1397 | break; |
1398 | case OBJ_TREE: | |
1399 | /* grab_tree_values(val, deref, obj, buf, sz); */ | |
1400 | break; | |
1401 | case OBJ_BLOB: | |
1402 | /* grab_blob_values(val, deref, obj, buf, sz); */ | |
1403 | break; | |
1404 | default: | |
1405 | die("Eh? Object of type %d?", obj->type); | |
1406 | } | |
1407 | } | |
1408 | ||
1409 | static inline char *copy_advance(char *dst, const char *src) | |
1410 | { | |
1411 | while (*src) | |
1412 | *dst++ = *src++; | |
1413 | return dst; | |
1414 | } | |
1415 | ||
1a0ca5e3 | 1416 | static const char *lstrip_ref_components(const char *refname, int len) |
0571979b | 1417 | { |
a7984101 | 1418 | long remaining = len; |
f0062d3b OT |
1419 | const char *start = xstrdup(refname); |
1420 | const char *to_free = start; | |
0571979b | 1421 | |
1a0ca5e3 KN |
1422 | if (len < 0) { |
1423 | int i; | |
1424 | const char *p = refname; | |
1425 | ||
1426 | /* Find total no of '/' separated path-components */ | |
1427 | for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) | |
1428 | ; | |
1429 | /* | |
1430 | * The number of components we need to strip is now | |
1431 | * the total minus the components to be left (Plus one | |
1432 | * because we count the number of '/', but the number | |
1433 | * of components is one more than the no of '/'). | |
1434 | */ | |
1435 | remaining = i + len + 1; | |
1436 | } | |
0571979b | 1437 | |
1a0ca5e3 | 1438 | while (remaining > 0) { |
0571979b JK |
1439 | switch (*start++) { |
1440 | case '\0': | |
f0062d3b OT |
1441 | free((char *)to_free); |
1442 | return xstrdup(""); | |
0571979b JK |
1443 | case '/': |
1444 | remaining--; | |
1445 | break; | |
1446 | } | |
1447 | } | |
1a0ca5e3 | 1448 | |
f0062d3b OT |
1449 | start = xstrdup(start); |
1450 | free((char *)to_free); | |
0571979b JK |
1451 | return start; |
1452 | } | |
1453 | ||
1a34728e KN |
1454 | static const char *rstrip_ref_components(const char *refname, int len) |
1455 | { | |
1456 | long remaining = len; | |
f0062d3b OT |
1457 | const char *start = xstrdup(refname); |
1458 | const char *to_free = start; | |
1a34728e KN |
1459 | |
1460 | if (len < 0) { | |
1461 | int i; | |
1462 | const char *p = refname; | |
1463 | ||
1464 | /* Find total no of '/' separated path-components */ | |
1465 | for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) | |
1466 | ; | |
1467 | /* | |
1468 | * The number of components we need to strip is now | |
1469 | * the total minus the components to be left (Plus one | |
1470 | * because we count the number of '/', but the number | |
1471 | * of components is one more than the no of '/'). | |
1472 | */ | |
1473 | remaining = i + len + 1; | |
1474 | } | |
1475 | ||
1476 | while (remaining-- > 0) { | |
1477 | char *p = strrchr(start, '/'); | |
f0062d3b OT |
1478 | if (p == NULL) { |
1479 | free((char *)to_free); | |
1480 | return xstrdup(""); | |
1481 | } else | |
1a34728e KN |
1482 | p[0] = '\0'; |
1483 | } | |
1484 | return start; | |
1485 | } | |
1486 | ||
a7984101 KN |
1487 | static const char *show_ref(struct refname_atom *atom, const char *refname) |
1488 | { | |
1489 | if (atom->option == R_SHORT) | |
1490 | return shorten_unambiguous_ref(refname, warn_ambiguous_refs); | |
17938f17 KN |
1491 | else if (atom->option == R_LSTRIP) |
1492 | return lstrip_ref_components(refname, atom->lstrip); | |
1a34728e KN |
1493 | else if (atom->option == R_RSTRIP) |
1494 | return rstrip_ref_components(refname, atom->rstrip); | |
a7984101 | 1495 | else |
f0062d3b | 1496 | return xstrdup(refname); |
a7984101 KN |
1497 | } |
1498 | ||
5339bdad KN |
1499 | static void fill_remote_ref_details(struct used_atom *atom, const char *refname, |
1500 | struct branch *branch, const char **s) | |
1501 | { | |
1502 | int num_ours, num_theirs; | |
3ba308cb KN |
1503 | if (atom->u.remote_ref.option == RR_REF) |
1504 | *s = show_ref(&atom->u.remote_ref.refname, refname); | |
7743fcca | 1505 | else if (atom->u.remote_ref.option == RR_TRACK) { |
d7d1b496 | 1506 | if (stat_tracking_info(branch, &num_ours, &num_theirs, |
c646d093 DR |
1507 | NULL, atom->u.remote_ref.push, |
1508 | AHEAD_BEHIND_FULL) < 0) { | |
6eac70fa | 1509 | *s = xstrdup(msgs.gone); |
7743fcca | 1510 | } else if (!num_ours && !num_theirs) |
f0062d3b | 1511 | *s = xstrdup(""); |
5339bdad | 1512 | else if (!num_ours) |
6eac70fa | 1513 | *s = xstrfmt(msgs.behind, num_theirs); |
5339bdad | 1514 | else if (!num_theirs) |
6eac70fa | 1515 | *s = xstrfmt(msgs.ahead, num_ours); |
5339bdad | 1516 | else |
6eac70fa | 1517 | *s = xstrfmt(msgs.ahead_behind, |
5339bdad | 1518 | num_ours, num_theirs); |
7743fcca KN |
1519 | if (!atom->u.remote_ref.nobracket && *s[0]) { |
1520 | const char *to_free = *s; | |
1521 | *s = xstrfmt("[%s]", *s); | |
1522 | free((void *)to_free); | |
1523 | } | |
1524 | } else if (atom->u.remote_ref.option == RR_TRACKSHORT) { | |
d7d1b496 | 1525 | if (stat_tracking_info(branch, &num_ours, &num_theirs, |
c646d093 DR |
1526 | NULL, atom->u.remote_ref.push, |
1527 | AHEAD_BEHIND_FULL) < 0) { | |
f0062d3b | 1528 | *s = xstrdup(""); |
5339bdad | 1529 | return; |
f0062d3b | 1530 | } |
5339bdad | 1531 | if (!num_ours && !num_theirs) |
f0062d3b | 1532 | *s = xstrdup("="); |
5339bdad | 1533 | else if (!num_ours) |
f0062d3b | 1534 | *s = xstrdup("<"); |
5339bdad | 1535 | else if (!num_theirs) |
f0062d3b | 1536 | *s = xstrdup(">"); |
5339bdad | 1537 | else |
f0062d3b | 1538 | *s = xstrdup("<>"); |
cc72385f JS |
1539 | } else if (atom->u.remote_ref.option == RR_REMOTE_NAME) { |
1540 | int explicit; | |
1541 | const char *remote = atom->u.remote_ref.push ? | |
1542 | pushremote_for_branch(branch, &explicit) : | |
1543 | remote_for_branch(branch, &explicit); | |
f0062d3b | 1544 | *s = xstrdup(explicit ? remote : ""); |
9700fae5 | 1545 | } else if (atom->u.remote_ref.option == RR_REMOTE_REF) { |
9700fae5 W |
1546 | const char *merge; |
1547 | ||
af8ccd8a JK |
1548 | merge = remote_ref_for_branch(branch, atom->u.remote_ref.push); |
1549 | *s = xstrdup(merge ? merge : ""); | |
3ba308cb | 1550 | } else |
033abf97 | 1551 | BUG("unhandled RR_* enum"); |
5339bdad KN |
1552 | } |
1553 | ||
d4919bb2 KN |
1554 | char *get_head_description(void) |
1555 | { | |
1556 | struct strbuf desc = STRBUF_INIT; | |
1557 | struct wt_status_state state; | |
1558 | memset(&state, 0, sizeof(state)); | |
78845457 | 1559 | wt_status_get_state(the_repository, &state, 1); |
d4919bb2 | 1560 | if (state.rebase_in_progress || |
a236f900 KS |
1561 | state.rebase_interactive_in_progress) { |
1562 | if (state.branch) | |
2708ce62 | 1563 | strbuf_addf(&desc, _("(no branch, rebasing %s)"), |
a236f900 KS |
1564 | state.branch); |
1565 | else | |
2708ce62 | 1566 | strbuf_addf(&desc, _("(no branch, rebasing detached HEAD %s)"), |
a236f900 KS |
1567 | state.detached_from); |
1568 | } else if (state.bisect_in_progress) | |
2708ce62 | 1569 | strbuf_addf(&desc, _("(no branch, bisect started on %s)"), |
d4919bb2 KN |
1570 | state.branch); |
1571 | else if (state.detached_from) { | |
d4919bb2 | 1572 | if (state.detached_at) |
2708ce62 ÆAB |
1573 | strbuf_addf(&desc, _("(HEAD detached at %s)"), |
1574 | state.detached_from); | |
d4919bb2 | 1575 | else |
2708ce62 ÆAB |
1576 | strbuf_addf(&desc, _("(HEAD detached from %s)"), |
1577 | state.detached_from); | |
1578 | } else | |
1579 | strbuf_addstr(&desc, _("(no branch)")); | |
28438e84 | 1580 | |
d4919bb2 KN |
1581 | return strbuf_detach(&desc, NULL); |
1582 | } | |
1583 | ||
a7984101 KN |
1584 | static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref) |
1585 | { | |
1586 | if (!ref->symref) | |
f0062d3b | 1587 | return xstrdup(""); |
a7984101 KN |
1588 | else |
1589 | return show_ref(&atom->u.refname, ref->symref); | |
1590 | } | |
1591 | ||
1592 | static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) | |
1593 | { | |
1594 | if (ref->kind & FILTER_REFS_DETACHED_HEAD) | |
1595 | return get_head_description(); | |
1596 | return show_ref(&atom->u.refname, ref->refname); | |
5339bdad KN |
1597 | } |
1598 | ||
aa46a0da OT |
1599 | static int get_object(struct ref_array_item *ref, int deref, struct object **obj, |
1600 | struct expand_data *oi, struct strbuf *err) | |
2bbc6e8a | 1601 | { |
04f6ee1a OT |
1602 | /* parse_object_buffer() will set eaten to 0 if free() will be needed */ |
1603 | int eaten = 1; | |
aa46a0da OT |
1604 | if (oi->info.contentp) { |
1605 | /* We need to know that to use parse_object_buffer properly */ | |
1606 | oi->info.sizep = &oi->size; | |
1607 | oi->info.typep = &oi->type; | |
1608 | } | |
1609 | if (oid_object_info_extended(the_repository, &oi->oid, &oi->info, | |
1610 | OBJECT_INFO_LOOKUP_REPLACE)) | |
1611 | return strbuf_addf_ret(err, -1, _("missing object %s for %s"), | |
1612 | oid_to_hex(&oi->oid), ref->refname); | |
5305a553 OT |
1613 | if (oi->info.disk_sizep && oi->disk_size < 0) |
1614 | BUG("Object size is less than zero."); | |
aa46a0da OT |
1615 | |
1616 | if (oi->info.contentp) { | |
c83149ac | 1617 | *obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten); |
c6854508 | 1618 | if (!*obj) { |
aa46a0da OT |
1619 | if (!eaten) |
1620 | free(oi->content); | |
1621 | return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"), | |
1622 | oid_to_hex(&oi->oid), ref->refname); | |
1623 | } | |
5c326d12 | 1624 | grab_values(ref->value, deref, *obj, oi->content); |
e2255179 | 1625 | } |
aa46a0da OT |
1626 | |
1627 | grab_common_values(ref->value, deref, oi); | |
2bbc6e8a | 1628 | if (!eaten) |
aa46a0da OT |
1629 | free(oi->content); |
1630 | return 0; | |
2bbc6e8a OT |
1631 | } |
1632 | ||
2582083f NB |
1633 | static void populate_worktree_map(struct hashmap *map, struct worktree **worktrees) |
1634 | { | |
1635 | int i; | |
1636 | ||
1637 | for (i = 0; worktrees[i]; i++) { | |
1638 | if (worktrees[i]->head_ref) { | |
1639 | struct ref_to_worktree_entry *entry; | |
1640 | entry = xmalloc(sizeof(*entry)); | |
1641 | entry->wt = worktrees[i]; | |
d22245a2 EW |
1642 | hashmap_entry_init(&entry->ent, |
1643 | strhash(worktrees[i]->head_ref)); | |
2582083f | 1644 | |
b94e5c1d | 1645 | hashmap_add(map, &entry->ent); |
2582083f NB |
1646 | } |
1647 | } | |
1648 | } | |
1649 | ||
1650 | static void lazy_init_worktree_map(void) | |
1651 | { | |
1652 | if (ref_to_worktree_map.worktrees) | |
1653 | return; | |
1654 | ||
03f2465b | 1655 | ref_to_worktree_map.worktrees = get_worktrees(); |
2582083f NB |
1656 | hashmap_init(&(ref_to_worktree_map.map), ref_to_worktree_map_cmpfnc, NULL, 0); |
1657 | populate_worktree_map(&(ref_to_worktree_map.map), ref_to_worktree_map.worktrees); | |
1658 | } | |
1659 | ||
1660 | static char *get_worktree_path(const struct used_atom *atom, const struct ref_array_item *ref) | |
1661 | { | |
f23a4651 | 1662 | struct hashmap_entry entry, *e; |
2582083f NB |
1663 | struct ref_to_worktree_entry *lookup_result; |
1664 | ||
1665 | lazy_init_worktree_map(); | |
1666 | ||
1667 | hashmap_entry_init(&entry, strhash(ref->refname)); | |
f23a4651 | 1668 | e = hashmap_get(&(ref_to_worktree_map.map), &entry, ref->refname); |
2582083f | 1669 | |
f23a4651 | 1670 | if (!e) |
2582083f | 1671 | return xstrdup(""); |
f23a4651 EW |
1672 | |
1673 | lookup_result = container_of(e, struct ref_to_worktree_entry, ent); | |
1674 | ||
1675 | return xstrdup(lookup_result->wt->path); | |
2582083f NB |
1676 | } |
1677 | ||
c95b7585 KN |
1678 | /* |
1679 | * Parse the object referred by ref, and grab needed value. | |
1680 | */ | |
e339611b | 1681 | static int populate_value(struct ref_array_item *ref, struct strbuf *err) |
c95b7585 | 1682 | { |
c95b7585 | 1683 | struct object *obj; |
2bbc6e8a | 1684 | int i; |
aa46a0da | 1685 | struct object_info empty = OBJECT_INFO_INIT; |
c95b7585 | 1686 | |
ca56dadb | 1687 | CALLOC_ARRAY(ref->value, used_atom_cnt); |
c95b7585 KN |
1688 | |
1689 | if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) { | |
c95b7585 | 1690 | ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING, |
efbd4fdf | 1691 | NULL, NULL); |
c95b7585 | 1692 | if (!ref->symref) |
f0062d3b | 1693 | ref->symref = xstrdup(""); |
c95b7585 KN |
1694 | } |
1695 | ||
1696 | /* Fill in specials first */ | |
1697 | for (i = 0; i < used_atom_cnt; i++) { | |
fd935cc7 | 1698 | struct used_atom *atom = &used_atom[i]; |
b072add7 | 1699 | const char *name = used_atom[i].name; |
c95b7585 KN |
1700 | struct atom_value *v = &ref->value[i]; |
1701 | int deref = 0; | |
1702 | const char *refname; | |
c95b7585 KN |
1703 | struct branch *branch = NULL; |
1704 | ||
63d89fbc | 1705 | v->handler = append_atom; |
c58fc856 | 1706 | v->atom = atom; |
63d89fbc | 1707 | |
c95b7585 KN |
1708 | if (*name == '*') { |
1709 | deref = 1; | |
1710 | name++; | |
1711 | } | |
1712 | ||
1713 | if (starts_with(name, "refname")) | |
a7984101 | 1714 | refname = get_refname(atom, ref); |
2582083f NB |
1715 | else if (!strcmp(name, "worktreepath")) { |
1716 | if (ref->kind == FILTER_REFS_BRANCHES) | |
1717 | v->s = get_worktree_path(atom, ref); | |
1718 | else | |
1719 | v->s = xstrdup(""); | |
1720 | continue; | |
1721 | } | |
c95b7585 | 1722 | else if (starts_with(name, "symref")) |
a7984101 | 1723 | refname = get_symref(atom, ref); |
c95b7585 KN |
1724 | else if (starts_with(name, "upstream")) { |
1725 | const char *branch_name; | |
1726 | /* only local branches may have an upstream */ | |
1727 | if (!skip_prefix(ref->refname, "refs/heads/", | |
f0062d3b OT |
1728 | &branch_name)) { |
1729 | v->s = xstrdup(""); | |
c95b7585 | 1730 | continue; |
f0062d3b | 1731 | } |
c95b7585 KN |
1732 | branch = branch_get(branch_name); |
1733 | ||
1734 | refname = branch_get_upstream(branch, NULL); | |
5339bdad KN |
1735 | if (refname) |
1736 | fill_remote_ref_details(atom, refname, branch, &v->s); | |
f0062d3b OT |
1737 | else |
1738 | v->s = xstrdup(""); | |
5339bdad | 1739 | continue; |
cc72385f | 1740 | } else if (atom->u.remote_ref.push) { |
c95b7585 | 1741 | const char *branch_name; |
f0062d3b | 1742 | v->s = xstrdup(""); |
c95b7585 KN |
1743 | if (!skip_prefix(ref->refname, "refs/heads/", |
1744 | &branch_name)) | |
1745 | continue; | |
1746 | branch = branch_get(branch_name); | |
1747 | ||
cc72385f JS |
1748 | if (atom->u.remote_ref.push_remote) |
1749 | refname = NULL; | |
1750 | else { | |
1751 | refname = branch_get_push(branch, NULL); | |
1752 | if (!refname) | |
1753 | continue; | |
1754 | } | |
f0062d3b OT |
1755 | /* We will definitely re-init v->s on the next line. */ |
1756 | free((char *)v->s); | |
5339bdad KN |
1757 | fill_remote_ref_details(atom, refname, branch, &v->s); |
1758 | continue; | |
fd935cc7 | 1759 | } else if (starts_with(name, "color:")) { |
f0062d3b | 1760 | v->s = xstrdup(atom->u.color); |
c95b7585 KN |
1761 | continue; |
1762 | } else if (!strcmp(name, "flag")) { | |
1763 | char buf[256], *cp = buf; | |
1764 | if (ref->flag & REF_ISSYMREF) | |
1765 | cp = copy_advance(cp, ",symref"); | |
1766 | if (ref->flag & REF_ISPACKED) | |
1767 | cp = copy_advance(cp, ",packed"); | |
1768 | if (cp == buf) | |
f0062d3b | 1769 | v->s = xstrdup(""); |
c95b7585 KN |
1770 | else { |
1771 | *cp = '\0'; | |
1772 | v->s = xstrdup(buf + 1); | |
1773 | } | |
1774 | continue; | |
87d3beb6 | 1775 | } else if (!deref && grab_oid(name, "objectname", &ref->objectname, v, atom)) { |
c95b7585 KN |
1776 | continue; |
1777 | } else if (!strcmp(name, "HEAD")) { | |
613a0e52 | 1778 | if (atom->u.head && !strcmp(ref->refname, atom->u.head)) |
f0062d3b | 1779 | v->s = xstrdup("*"); |
c95b7585 | 1780 | else |
f0062d3b | 1781 | v->s = xstrdup(" "); |
c95b7585 | 1782 | continue; |
5bd881d9 | 1783 | } else if (starts_with(name, "align")) { |
ce592082 | 1784 | v->handler = align_atom_handler; |
f0062d3b | 1785 | v->s = xstrdup(""); |
ce592082 KN |
1786 | continue; |
1787 | } else if (!strcmp(name, "end")) { | |
1788 | v->handler = end_atom_handler; | |
f0062d3b | 1789 | v->s = xstrdup(""); |
ce592082 | 1790 | continue; |
4f3e3b37 KN |
1791 | } else if (starts_with(name, "if")) { |
1792 | const char *s; | |
4f3e3b37 KN |
1793 | if (skip_prefix(name, "if:", &s)) |
1794 | v->s = xstrdup(s); | |
f0062d3b OT |
1795 | else |
1796 | v->s = xstrdup(""); | |
c58492d4 KN |
1797 | v->handler = if_atom_handler; |
1798 | continue; | |
1799 | } else if (!strcmp(name, "then")) { | |
1800 | v->handler = then_atom_handler; | |
f0062d3b | 1801 | v->s = xstrdup(""); |
c58492d4 KN |
1802 | continue; |
1803 | } else if (!strcmp(name, "else")) { | |
1804 | v->handler = else_atom_handler; | |
f0062d3b | 1805 | v->s = xstrdup(""); |
c58492d4 | 1806 | continue; |
c95b7585 KN |
1807 | } else |
1808 | continue; | |
1809 | ||
c95b7585 | 1810 | if (!deref) |
f0062d3b | 1811 | v->s = xstrdup(refname); |
a5e03bf5 JK |
1812 | else |
1813 | v->s = xstrfmt("%s^{}", refname); | |
f0062d3b | 1814 | free((char *)refname); |
c95b7585 KN |
1815 | } |
1816 | ||
1817 | for (i = 0; i < used_atom_cnt; i++) { | |
1818 | struct atom_value *v = &ref->value[i]; | |
aa46a0da OT |
1819 | if (v->s == NULL && used_atom[i].source == SOURCE_NONE) |
1820 | return strbuf_addf_ret(err, -1, _("missing object %s for %s"), | |
1821 | oid_to_hex(&ref->objectname), ref->refname); | |
c95b7585 | 1822 | } |
aa46a0da OT |
1823 | |
1824 | if (need_tagged) | |
1825 | oi.info.contentp = &oi.content; | |
1826 | if (!memcmp(&oi.info, &empty, sizeof(empty)) && | |
1827 | !memcmp(&oi_deref.info, &empty, sizeof(empty))) | |
e339611b | 1828 | return 0; |
c95b7585 | 1829 | |
aa46a0da OT |
1830 | |
1831 | oi.oid = ref->objectname; | |
1832 | if (get_object(ref, 0, &obj, &oi, err)) | |
e339611b | 1833 | return -1; |
c95b7585 KN |
1834 | |
1835 | /* | |
1836 | * If there is no atom that wants to know about tagged | |
1837 | * object, we are done. | |
1838 | */ | |
1839 | if (!need_tagged || (obj->type != OBJ_TAG)) | |
e339611b | 1840 | return 0; |
c95b7585 KN |
1841 | |
1842 | /* | |
1843 | * If it is a tag object, see if we use a value that derefs | |
1844 | * the object, and if we do grab the object it refers to. | |
1845 | */ | |
c77722b3 | 1846 | oi_deref.oid = *get_tagged_oid((struct tag *)obj); |
c95b7585 KN |
1847 | |
1848 | /* | |
1849 | * NEEDSWORK: This derefs tag only once, which | |
1850 | * is good to deal with chains of trust, but | |
1851 | * is not consistent with what deref_tag() does | |
1852 | * which peels the onion to the core. | |
1853 | */ | |
aa46a0da | 1854 | return get_object(ref, 1, &obj, &oi_deref, err); |
c95b7585 KN |
1855 | } |
1856 | ||
1857 | /* | |
1858 | * Given a ref, return the value for the atom. This lazily gets value | |
1859 | * out of the object by calling populate value. | |
1860 | */ | |
e339611b OT |
1861 | static int get_ref_atom_value(struct ref_array_item *ref, int atom, |
1862 | struct atom_value **v, struct strbuf *err) | |
c95b7585 KN |
1863 | { |
1864 | if (!ref->value) { | |
e339611b OT |
1865 | if (populate_value(ref, err)) |
1866 | return -1; | |
c95b7585 KN |
1867 | fill_missing_values(ref->value); |
1868 | } | |
1869 | *v = &ref->value[atom]; | |
e339611b | 1870 | return 0; |
c95b7585 KN |
1871 | } |
1872 | ||
bef0e12b KN |
1873 | /* |
1874 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
1875 | * A pattern can be a literal prefix (e.g. a refname "refs/heads/master" | |
1876 | * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref | |
1877 | * matches "refs/heads/mas*", too). | |
1878 | */ | |
3bb16a8b | 1879 | static int match_pattern(const struct ref_filter *filter, const char *refname) |
bef0e12b | 1880 | { |
3bb16a8b NTND |
1881 | const char **patterns = filter->name_patterns; |
1882 | unsigned flags = 0; | |
1883 | ||
1884 | if (filter->ignore_case) | |
1885 | flags |= WM_CASEFOLD; | |
1886 | ||
bef0e12b KN |
1887 | /* |
1888 | * When no '--format' option is given we need to skip the prefix | |
1889 | * for matching refs of tags and branches. | |
1890 | */ | |
1891 | (void)(skip_prefix(refname, "refs/tags/", &refname) || | |
1892 | skip_prefix(refname, "refs/heads/", &refname) || | |
1893 | skip_prefix(refname, "refs/remotes/", &refname) || | |
1894 | skip_prefix(refname, "refs/", &refname)); | |
1895 | ||
1896 | for (; *patterns; patterns++) { | |
55d34269 | 1897 | if (!wildmatch(*patterns, refname, flags)) |
bef0e12b KN |
1898 | return 1; |
1899 | } | |
1900 | return 0; | |
1901 | } | |
1902 | ||
c95b7585 KN |
1903 | /* |
1904 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
1905 | * A pattern can be path prefix (e.g. a refname "refs/heads/master" | |
bef0e12b KN |
1906 | * matches a pattern "refs/heads/" but not "refs/heads/m") or a |
1907 | * wildcard (e.g. the same ref matches "refs/heads/m*", too). | |
c95b7585 | 1908 | */ |
3bb16a8b | 1909 | static int match_name_as_path(const struct ref_filter *filter, const char *refname) |
c95b7585 | 1910 | { |
3bb16a8b | 1911 | const char **pattern = filter->name_patterns; |
c95b7585 | 1912 | int namelen = strlen(refname); |
3bb16a8b NTND |
1913 | unsigned flags = WM_PATHNAME; |
1914 | ||
1915 | if (filter->ignore_case) | |
1916 | flags |= WM_CASEFOLD; | |
1917 | ||
c95b7585 KN |
1918 | for (; *pattern; pattern++) { |
1919 | const char *p = *pattern; | |
1920 | int plen = strlen(p); | |
1921 | ||
1922 | if ((plen <= namelen) && | |
1923 | !strncmp(refname, p, plen) && | |
1924 | (refname[plen] == '\0' || | |
1925 | refname[plen] == '/' || | |
1926 | p[plen-1] == '/')) | |
1927 | return 1; | |
639ab5ef | 1928 | if (!wildmatch(p, refname, flags)) |
c95b7585 KN |
1929 | return 1; |
1930 | } | |
1931 | return 0; | |
1932 | } | |
1933 | ||
bef0e12b KN |
1934 | /* Return 1 if the refname matches one of the patterns, otherwise 0. */ |
1935 | static int filter_pattern_match(struct ref_filter *filter, const char *refname) | |
1936 | { | |
1937 | if (!*filter->name_patterns) | |
1938 | return 1; /* No pattern always matches */ | |
1939 | if (filter->match_as_path) | |
3bb16a8b NTND |
1940 | return match_name_as_path(filter, refname); |
1941 | return match_pattern(filter, refname); | |
bef0e12b KN |
1942 | } |
1943 | ||
cfe004a5 JK |
1944 | /* |
1945 | * This is the same as for_each_fullref_in(), but it tries to iterate | |
1946 | * only over the patterns we'll care about. Note that it _doesn't_ do a full | |
1947 | * pattern match, so the callback still has to match each ref individually. | |
1948 | */ | |
1949 | static int for_each_fullref_in_pattern(struct ref_filter *filter, | |
1950 | each_ref_fn cb, | |
1951 | void *cb_data, | |
1952 | int broken) | |
1953 | { | |
cfe004a5 JK |
1954 | if (!filter->match_as_path) { |
1955 | /* | |
1956 | * in this case, the patterns are applied after | |
1957 | * prefixes like "refs/heads/" etc. are stripped off, | |
1958 | * so we have to look at everything: | |
1959 | */ | |
1960 | return for_each_fullref_in("", cb, cb_data, broken); | |
1961 | } | |
1962 | ||
e674eb25 JK |
1963 | if (filter->ignore_case) { |
1964 | /* | |
1965 | * we can't handle case-insensitive comparisons, | |
1966 | * so just return everything and let the caller | |
1967 | * sort it out. | |
1968 | */ | |
1969 | return for_each_fullref_in("", cb, cb_data, broken); | |
1970 | } | |
1971 | ||
cfe004a5 JK |
1972 | if (!filter->name_patterns[0]) { |
1973 | /* no patterns; we have to look at everything */ | |
1974 | return for_each_fullref_in("", cb, cb_data, broken); | |
1975 | } | |
1976 | ||
16b1985b TB |
1977 | return for_each_fullref_in_prefixes(NULL, filter->name_patterns, |
1978 | cb, cb_data, broken); | |
cfe004a5 JK |
1979 | } |
1980 | ||
68411046 | 1981 | /* |
c79eddf5 JK |
1982 | * Given a ref (oid, refname), check if the ref belongs to the array |
1983 | * of oids. If the given ref is a tag, check if the given tag points | |
1984 | * at one of the oids in the given oid array. | |
68411046 | 1985 | * NEEDSWORK: |
84544f2e | 1986 | * 1. Only a single level of indirection is obtained, we might want to |
68411046 KN |
1987 | * change this to account for multiple levels (e.g. annotated tags |
1988 | * pointing to annotated tags pointing to a commit.) | |
1989 | * 2. As the refs are cached we might know what refname peels to without | |
1990 | * the need to parse the object via parse_object(). peel_ref() might be a | |
1991 | * more efficient alternative to obtain the pointee. | |
1992 | */ | |
910650d2 | 1993 | static const struct object_id *match_points_at(struct oid_array *points_at, |
4ce3621a | 1994 | const struct object_id *oid, |
1995 | const char *refname) | |
68411046 | 1996 | { |
4ce3621a | 1997 | const struct object_id *tagged_oid = NULL; |
68411046 KN |
1998 | struct object *obj; |
1999 | ||
910650d2 | 2000 | if (oid_array_lookup(points_at, oid) >= 0) |
4ce3621a | 2001 | return oid; |
109cd76d | 2002 | obj = parse_object(the_repository, oid); |
68411046 KN |
2003 | if (!obj) |
2004 | die(_("malformed object at '%s'"), refname); | |
2005 | if (obj->type == OBJ_TAG) | |
c77722b3 | 2006 | tagged_oid = get_tagged_oid((struct tag *)obj); |
910650d2 | 2007 | if (tagged_oid && oid_array_lookup(points_at, tagged_oid) >= 0) |
4ce3621a | 2008 | return tagged_oid; |
68411046 KN |
2009 | return NULL; |
2010 | } | |
2011 | ||
0ffaa00f JK |
2012 | /* |
2013 | * Allocate space for a new ref_array_item and copy the name and oid to it. | |
2014 | * | |
2015 | * Callers can then fill in other struct members at their leisure. | |
2016 | */ | |
c95b7585 | 2017 | static struct ref_array_item *new_ref_array_item(const char *refname, |
0ffaa00f | 2018 | const struct object_id *oid) |
c95b7585 | 2019 | { |
96ffc06f | 2020 | struct ref_array_item *ref; |
0ffaa00f | 2021 | |
96ffc06f | 2022 | FLEX_ALLOC_STR(ref, refname, refname); |
53df97a2 | 2023 | oidcpy(&ref->objectname, oid); |
c95b7585 KN |
2024 | |
2025 | return ref; | |
2026 | } | |
2027 | ||
427cbc9d JK |
2028 | struct ref_array_item *ref_array_push(struct ref_array *array, |
2029 | const char *refname, | |
2030 | const struct object_id *oid) | |
2031 | { | |
2032 | struct ref_array_item *ref = new_ref_array_item(refname, oid); | |
2033 | ||
2034 | ALLOC_GROW(array->items, array->nr + 1, array->alloc); | |
2035 | array->items[array->nr++] = ref; | |
c95b7585 KN |
2036 | |
2037 | return ref; | |
2038 | } | |
2039 | ||
2111aa79 | 2040 | static int ref_kind_from_refname(const char *refname) |
5b4f2851 KN |
2041 | { |
2042 | unsigned int i; | |
2043 | ||
2044 | static struct { | |
2045 | const char *prefix; | |
2046 | unsigned int kind; | |
2047 | } ref_kind[] = { | |
2048 | { "refs/heads/" , FILTER_REFS_BRANCHES }, | |
2049 | { "refs/remotes/" , FILTER_REFS_REMOTES }, | |
2050 | { "refs/tags/", FILTER_REFS_TAGS} | |
2051 | }; | |
2052 | ||
2111aa79 | 2053 | if (!strcmp(refname, "HEAD")) |
5b4f2851 KN |
2054 | return FILTER_REFS_DETACHED_HEAD; |
2055 | ||
2056 | for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { | |
2057 | if (starts_with(refname, ref_kind[i].prefix)) | |
2058 | return ref_kind[i].kind; | |
2059 | } | |
2060 | ||
2061 | return FILTER_REFS_OTHERS; | |
2062 | } | |
2063 | ||
2111aa79 LP |
2064 | static int filter_ref_kind(struct ref_filter *filter, const char *refname) |
2065 | { | |
2066 | if (filter->kind == FILTER_REFS_BRANCHES || | |
2067 | filter->kind == FILTER_REFS_REMOTES || | |
2068 | filter->kind == FILTER_REFS_TAGS) | |
2069 | return filter->kind; | |
2070 | return ref_kind_from_refname(refname); | |
2071 | } | |
2072 | ||
920f93ca DS |
2073 | struct ref_filter_cbdata { |
2074 | struct ref_array *array; | |
2075 | struct ref_filter *filter; | |
2076 | struct contains_cache contains_cache; | |
2077 | struct contains_cache no_contains_cache; | |
2078 | }; | |
2079 | ||
c95b7585 KN |
2080 | /* |
2081 | * A call-back given to for_each_ref(). Filter refs and keep them for | |
2082 | * later object processing. | |
2083 | */ | |
14de7fba | 2084 | static int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data) |
c95b7585 KN |
2085 | { |
2086 | struct ref_filter_cbdata *ref_cbdata = cb_data; | |
14de7fba | 2087 | struct ref_filter *filter = ref_cbdata->filter; |
c95b7585 | 2088 | struct ref_array_item *ref; |
35257aa0 | 2089 | struct commit *commit = NULL; |
5b4f2851 | 2090 | unsigned int kind; |
c95b7585 KN |
2091 | |
2092 | if (flag & REF_BAD_NAME) { | |
1823c619 | 2093 | warning(_("ignoring ref with broken name %s"), refname); |
c95b7585 KN |
2094 | return 0; |
2095 | } | |
2096 | ||
7ebc8cbe | 2097 | if (flag & REF_ISBROKEN) { |
1823c619 | 2098 | warning(_("ignoring broken ref %s"), refname); |
7ebc8cbe JH |
2099 | return 0; |
2100 | } | |
2101 | ||
5b4f2851 KN |
2102 | /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */ |
2103 | kind = filter_ref_kind(filter, refname); | |
2104 | if (!(kind & filter->kind)) | |
2105 | return 0; | |
2106 | ||
bef0e12b | 2107 | if (!filter_pattern_match(filter, refname)) |
c95b7585 KN |
2108 | return 0; |
2109 | ||
4ce3621a | 2110 | if (filter->points_at.nr && !match_points_at(&filter->points_at, oid, refname)) |
68411046 KN |
2111 | return 0; |
2112 | ||
35257aa0 KN |
2113 | /* |
2114 | * A merge filter is applied on refs pointing to commits. Hence | |
2115 | * obtain the commit using the 'oid' available and discard all | |
2116 | * non-commits early. The actual filtering is done later. | |
2117 | */ | |
21bf9339 AL |
2118 | if (filter->reachable_from || filter->unreachable_from || |
2119 | filter->with_commit || filter->no_commit || filter->verbose) { | |
2120 | commit = lookup_commit_reference_gently(the_repository, oid, 1); | |
35257aa0 KN |
2121 | if (!commit) |
2122 | return 0; | |
ac3f5a34 | 2123 | /* We perform the filtering for the '--contains' option... */ |
ee2bd06b | 2124 | if (filter->with_commit && |
ac3f5a34 ÆAB |
2125 | !commit_contains(filter, commit, filter->with_commit, &ref_cbdata->contains_cache)) |
2126 | return 0; | |
2127 | /* ...or for the `--no-contains' option */ | |
2128 | if (filter->no_commit && | |
2129 | commit_contains(filter, commit, filter->no_commit, &ref_cbdata->no_contains_cache)) | |
ee2bd06b | 2130 | return 0; |
35257aa0 KN |
2131 | } |
2132 | ||
c95b7585 KN |
2133 | /* |
2134 | * We do not open the object yet; sort may only need refname | |
2135 | * to do its job and the resulting list may yet to be pruned | |
2136 | * by maxcount logic. | |
2137 | */ | |
427cbc9d | 2138 | ref = ref_array_push(ref_cbdata->array, refname, oid); |
35257aa0 | 2139 | ref->commit = commit; |
0ffaa00f | 2140 | ref->flag = flag; |
5b4f2851 | 2141 | ref->kind = kind; |
c95b7585 | 2142 | |
c95b7585 KN |
2143 | return 0; |
2144 | } | |
2145 | ||
2146 | /* Free memory allocated for a ref_array_item */ | |
2147 | static void free_array_item(struct ref_array_item *item) | |
2148 | { | |
2149 | free((char *)item->symref); | |
f0062d3b | 2150 | if (item->value) { |
14d30cdf MÅ |
2151 | int i; |
2152 | for (i = 0; i < used_atom_cnt; i++) | |
2153 | free((char *)item->value[i].s); | |
f0062d3b OT |
2154 | free(item->value); |
2155 | } | |
c95b7585 KN |
2156 | free(item); |
2157 | } | |
2158 | ||
2159 | /* Free all memory allocated for ref_array */ | |
2160 | void ref_array_clear(struct ref_array *array) | |
2161 | { | |
2162 | int i; | |
2163 | ||
2164 | for (i = 0; i < array->nr; i++) | |
2165 | free_array_item(array->items[i]); | |
6a83d902 | 2166 | FREE_AND_NULL(array->items); |
c95b7585 | 2167 | array->nr = array->alloc = 0; |
14d30cdf MÅ |
2168 | |
2169 | for (i = 0; i < used_atom_cnt; i++) | |
2170 | free((char *)used_atom[i].name); | |
2171 | FREE_AND_NULL(used_atom); | |
2172 | used_atom_cnt = 0; | |
2173 | ||
2582083f | 2174 | if (ref_to_worktree_map.worktrees) { |
6da1a258 | 2175 | hashmap_clear_and_free(&(ref_to_worktree_map.map), |
c8e424c9 | 2176 | struct ref_to_worktree_entry, ent); |
2582083f NB |
2177 | free_worktrees(ref_to_worktree_map.worktrees); |
2178 | ref_to_worktree_map.worktrees = NULL; | |
2179 | } | |
c95b7585 KN |
2180 | } |
2181 | ||
a1b19aa5 AL |
2182 | #define EXCLUDE_REACHED 0 |
2183 | #define INCLUDE_REACHED 1 | |
2184 | static void reach_filter(struct ref_array *array, | |
2185 | struct commit_list *check_reachable, | |
2186 | int include_reached) | |
35257aa0 KN |
2187 | { |
2188 | struct rev_info revs; | |
2189 | int i, old_nr; | |
5336d506 | 2190 | struct commit **to_clear; |
a1b19aa5 | 2191 | struct commit_list *cr; |
21bf9339 | 2192 | |
a1b19aa5 | 2193 | if (!check_reachable) |
21bf9339 | 2194 | return; |
35257aa0 | 2195 | |
ca56dadb | 2196 | CALLOC_ARRAY(to_clear, array->nr); |
5336d506 | 2197 | |
2abf3503 | 2198 | repo_init_revisions(the_repository, &revs, NULL); |
35257aa0 KN |
2199 | |
2200 | for (i = 0; i < array->nr; i++) { | |
2201 | struct ref_array_item *item = array->items[i]; | |
2202 | add_pending_object(&revs, &item->commit->object, item->refname); | |
2203 | to_clear[i] = item->commit; | |
2204 | } | |
2205 | ||
a1b19aa5 AL |
2206 | for (cr = check_reachable; cr; cr = cr->next) { |
2207 | struct commit *merge_commit = cr->item; | |
21bf9339 AL |
2208 | merge_commit->object.flags |= UNINTERESTING; |
2209 | add_pending_object(&revs, &merge_commit->object, ""); | |
2210 | } | |
35257aa0 KN |
2211 | |
2212 | revs.limited = 1; | |
2213 | if (prepare_revision_walk(&revs)) | |
2214 | die(_("revision walk setup failed")); | |
2215 | ||
2216 | old_nr = array->nr; | |
2217 | array->nr = 0; | |
2218 | ||
2219 | for (i = 0; i < old_nr; i++) { | |
2220 | struct ref_array_item *item = array->items[i]; | |
2221 | struct commit *commit = item->commit; | |
2222 | ||
2223 | int is_merged = !!(commit->object.flags & UNINTERESTING); | |
2224 | ||
a1b19aa5 | 2225 | if (is_merged == include_reached) |
35257aa0 KN |
2226 | array->items[array->nr++] = array->items[i]; |
2227 | else | |
2228 | free_array_item(item); | |
2229 | } | |
2230 | ||
5dee6d6f | 2231 | clear_commit_marks_many(old_nr, to_clear, ALL_REV_FLAGS); |
21bf9339 | 2232 | |
a1b19aa5 AL |
2233 | while (check_reachable) { |
2234 | struct commit *merge_commit = pop_commit(&check_reachable); | |
21bf9339 AL |
2235 | clear_commit_marks(merge_commit, ALL_REV_FLAGS); |
2236 | } | |
2237 | ||
35257aa0 KN |
2238 | free(to_clear); |
2239 | } | |
2240 | ||
14de7fba KN |
2241 | /* |
2242 | * API for filtering a set of refs. Based on the type of refs the user | |
2243 | * has requested, we iterate through those refs and apply filters | |
2244 | * as per the given ref_filter structure and finally store the | |
2245 | * filtered refs in the ref_array structure. | |
2246 | */ | |
2247 | int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type) | |
2248 | { | |
2249 | struct ref_filter_cbdata ref_cbdata; | |
35257aa0 | 2250 | int ret = 0; |
5b4f2851 | 2251 | unsigned int broken = 0; |
14de7fba KN |
2252 | |
2253 | ref_cbdata.array = array; | |
2254 | ref_cbdata.filter = filter; | |
2255 | ||
5b4f2851 KN |
2256 | if (type & FILTER_REFS_INCLUDE_BROKEN) |
2257 | broken = 1; | |
2258 | filter->kind = type & FILTER_REFS_KIND_MASK; | |
2259 | ||
a91aca44 | 2260 | init_contains_cache(&ref_cbdata.contains_cache); |
ac3f5a34 | 2261 | init_contains_cache(&ref_cbdata.no_contains_cache); |
a91aca44 | 2262 | |
35257aa0 | 2263 | /* Simple per-ref filtering */ |
5b4f2851 | 2264 | if (!filter->kind) |
14de7fba | 2265 | die("filter_refs: invalid type"); |
5b4f2851 KN |
2266 | else { |
2267 | /* | |
2268 | * For common cases where we need only branches or remotes or tags, | |
2269 | * we only iterate through those refs. If a mix of refs is needed, | |
2270 | * we iterate over all refs and filter out required refs with the help | |
2271 | * of filter_ref_kind(). | |
2272 | */ | |
2273 | if (filter->kind == FILTER_REFS_BRANCHES) | |
2274 | ret = for_each_fullref_in("refs/heads/", ref_filter_handler, &ref_cbdata, broken); | |
2275 | else if (filter->kind == FILTER_REFS_REMOTES) | |
2276 | ret = for_each_fullref_in("refs/remotes/", ref_filter_handler, &ref_cbdata, broken); | |
2277 | else if (filter->kind == FILTER_REFS_TAGS) | |
2278 | ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata, broken); | |
2279 | else if (filter->kind & FILTER_REFS_ALL) | |
cfe004a5 | 2280 | ret = for_each_fullref_in_pattern(filter, ref_filter_handler, &ref_cbdata, broken); |
5b4f2851 KN |
2281 | if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD)) |
2282 | head_ref(ref_filter_handler, &ref_cbdata); | |
2283 | } | |
2284 | ||
a91aca44 | 2285 | clear_contains_cache(&ref_cbdata.contains_cache); |
ac3f5a34 | 2286 | clear_contains_cache(&ref_cbdata.no_contains_cache); |
35257aa0 KN |
2287 | |
2288 | /* Filters that need revision walking */ | |
a1b19aa5 AL |
2289 | reach_filter(array, filter->reachable_from, INCLUDE_REACHED); |
2290 | reach_filter(array, filter->unreachable_from, EXCLUDE_REACHED); | |
35257aa0 KN |
2291 | |
2292 | return ret; | |
14de7fba KN |
2293 | } |
2294 | ||
2708ce62 ÆAB |
2295 | static int compare_detached_head(struct ref_array_item *a, struct ref_array_item *b) |
2296 | { | |
2297 | if (!(a->kind ^ b->kind)) | |
2298 | BUG("ref_kind_from_refname() should only mark one ref as HEAD"); | |
2299 | if (a->kind & FILTER_REFS_DETACHED_HEAD) | |
2300 | return -1; | |
2301 | else if (b->kind & FILTER_REFS_DETACHED_HEAD) | |
2302 | return 1; | |
2303 | BUG("should have died in the xor check above"); | |
2304 | return 0; | |
2305 | } | |
2306 | ||
c95b7585 KN |
2307 | static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b) |
2308 | { | |
2309 | struct atom_value *va, *vb; | |
2310 | int cmp; | |
4045f659 | 2311 | int cmp_detached_head = 0; |
b072add7 | 2312 | cmp_type cmp_type = used_atom[s->atom].type; |
e339611b | 2313 | struct strbuf err = STRBUF_INIT; |
c95b7585 | 2314 | |
e339611b OT |
2315 | if (get_ref_atom_value(a, s->atom, &va, &err)) |
2316 | die("%s", err.buf); | |
2317 | if (get_ref_atom_value(b, s->atom, &vb, &err)) | |
2318 | die("%s", err.buf); | |
2319 | strbuf_release(&err); | |
2708ce62 ÆAB |
2320 | if (s->sort_flags & REF_SORTING_DETACHED_HEAD_FIRST && |
2321 | ((a->kind | b->kind) & FILTER_REFS_DETACHED_HEAD)) { | |
2322 | cmp = compare_detached_head(a, b); | |
4045f659 | 2323 | cmp_detached_head = 1; |
2708ce62 | 2324 | } else if (s->sort_flags & REF_SORTING_VERSION) { |
90c00408 | 2325 | cmp = versioncmp(va->s, vb->s); |
75c50e59 | 2326 | } else if (cmp_type == FIELD_STR) { |
d0947483 | 2327 | int (*cmp_fn)(const char *, const char *); |
7c269a7b ÆAB |
2328 | cmp_fn = s->sort_flags & REF_SORTING_ICASE |
2329 | ? strcasecmp : strcmp; | |
3bb16a8b | 2330 | cmp = cmp_fn(va->s, vb->s); |
75c50e59 | 2331 | } else { |
e467dc14 | 2332 | if (va->value < vb->value) |
c95b7585 | 2333 | cmp = -1; |
e467dc14 | 2334 | else if (va->value == vb->value) |
7c5045fc | 2335 | cmp = 0; |
c95b7585 KN |
2336 | else |
2337 | cmp = 1; | |
c95b7585 | 2338 | } |
90c00408 | 2339 | |
4045f659 ÆAB |
2340 | return (s->sort_flags & REF_SORTING_REVERSE && !cmp_detached_head) |
2341 | ? -cmp : cmp; | |
c95b7585 KN |
2342 | } |
2343 | ||
83fc4d64 | 2344 | static int compare_refs(const void *a_, const void *b_, void *ref_sorting) |
c95b7585 KN |
2345 | { |
2346 | struct ref_array_item *a = *((struct ref_array_item **)a_); | |
2347 | struct ref_array_item *b = *((struct ref_array_item **)b_); | |
2348 | struct ref_sorting *s; | |
2349 | ||
2350 | for (s = ref_sorting; s; s = s->next) { | |
2351 | int cmp = cmp_ref_sorting(s, a, b); | |
2352 | if (cmp) | |
2353 | return cmp; | |
2354 | } | |
7c5045fc | 2355 | s = ref_sorting; |
7c269a7b | 2356 | return s && s->sort_flags & REF_SORTING_ICASE ? |
7c5045fc JK |
2357 | strcasecmp(a->refname, b->refname) : |
2358 | strcmp(a->refname, b->refname); | |
c95b7585 KN |
2359 | } |
2360 | ||
7c269a7b ÆAB |
2361 | void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, |
2362 | unsigned int mask, int on) | |
76f9e569 | 2363 | { |
7c269a7b ÆAB |
2364 | for (; sorting; sorting = sorting->next) { |
2365 | if (on) | |
2366 | sorting->sort_flags |= mask; | |
2367 | else | |
2368 | sorting->sort_flags &= ~mask; | |
2369 | } | |
c95b7585 KN |
2370 | } |
2371 | ||
2372 | void ref_array_sort(struct ref_sorting *sorting, struct ref_array *array) | |
2373 | { | |
83fc4d64 | 2374 | QSORT_S(array->items, array->nr, compare_refs, sorting); |
c95b7585 KN |
2375 | } |
2376 | ||
574e96a2 | 2377 | static void append_literal(const char *cp, const char *ep, struct ref_formatting_state *state) |
c95b7585 | 2378 | { |
574e96a2 KN |
2379 | struct strbuf *s = &state->stack->output; |
2380 | ||
c95b7585 KN |
2381 | while (*cp && (!ep || cp < ep)) { |
2382 | if (*cp == '%') { | |
2383 | if (cp[1] == '%') | |
2384 | cp++; | |
2385 | else { | |
d2330973 | 2386 | int ch = hex2chr(cp + 1); |
c95b7585 | 2387 | if (0 <= ch) { |
574e96a2 | 2388 | strbuf_addch(s, ch); |
c95b7585 KN |
2389 | cp += 3; |
2390 | continue; | |
2391 | } | |
2392 | } | |
2393 | } | |
574e96a2 | 2394 | strbuf_addch(s, *cp); |
c95b7585 KN |
2395 | cp++; |
2396 | } | |
2397 | } | |
2398 | ||
3019eca9 | 2399 | int format_ref_array_item(struct ref_array_item *info, |
4a68e36d | 2400 | const struct ref_format *format, |
3019eca9 OT |
2401 | struct strbuf *final_buf, |
2402 | struct strbuf *error_buf) | |
c95b7585 KN |
2403 | { |
2404 | const char *cp, *sp, *ep; | |
574e96a2 KN |
2405 | struct ref_formatting_state state = REF_FORMATTING_STATE_INIT; |
2406 | ||
4a68e36d | 2407 | state.quote_style = format->quote_style; |
574e96a2 | 2408 | push_stack_element(&state.stack); |
c95b7585 | 2409 | |
4a68e36d | 2410 | for (cp = format->format; *cp && (sp = find_next(cp)); cp = ep + 1) { |
c95b7585 | 2411 | struct atom_value *atomv; |
e6ff7b3b | 2412 | int pos; |
c95b7585 KN |
2413 | |
2414 | ep = strchr(sp, ')'); | |
2415 | if (cp < sp) | |
574e96a2 | 2416 | append_literal(cp, sp, &state); |
e6ff7b3b | 2417 | pos = parse_ref_filter_atom(format, sp + 2, ep, error_buf); |
e339611b OT |
2418 | if (pos < 0 || get_ref_atom_value(info, pos, &atomv, error_buf) || |
2419 | atomv->handler(atomv, &state, error_buf)) { | |
3fc8439c OT |
2420 | pop_stack_element(&state.stack); |
2421 | return -1; | |
2422 | } | |
c95b7585 KN |
2423 | } |
2424 | if (*cp) { | |
2425 | sp = cp + strlen(cp); | |
574e96a2 | 2426 | append_literal(cp, sp, &state); |
c95b7585 | 2427 | } |
bf285ae6 | 2428 | if (format->need_color_reset_at_eol) { |
c95b7585 | 2429 | struct atom_value resetv; |
51331aad | 2430 | resetv.s = GIT_COLOR_RESET; |
3fc8439c OT |
2431 | if (append_atom(&resetv, &state, error_buf)) { |
2432 | pop_stack_element(&state.stack); | |
2433 | return -1; | |
2434 | } | |
c95b7585 | 2435 | } |
3019eca9 OT |
2436 | if (state.stack->prev) { |
2437 | pop_stack_element(&state.stack); | |
2438 | return strbuf_addf_ret(error_buf, -1, _("format: %%(end) atom missing")); | |
c95b7585 | 2439 | } |
99c6a71d | 2440 | strbuf_addbuf(final_buf, &state.stack->output); |
574e96a2 | 2441 | pop_stack_element(&state.stack); |
3019eca9 | 2442 | return 0; |
99c6a71d KN |
2443 | } |
2444 | ||
53df97a2 | 2445 | void pretty_print_ref(const char *name, const struct object_id *oid, |
4a68e36d | 2446 | const struct ref_format *format) |
2111aa79 LP |
2447 | { |
2448 | struct ref_array_item *ref_item; | |
22f69a85 ZH |
2449 | struct strbuf output = STRBUF_INIT; |
2450 | struct strbuf err = STRBUF_INIT; | |
2451 | ||
0ffaa00f | 2452 | ref_item = new_ref_array_item(name, oid); |
2111aa79 | 2453 | ref_item->kind = ref_kind_from_refname(name); |
22f69a85 ZH |
2454 | if (format_ref_array_item(ref_item, format, &output, &err)) |
2455 | die("%s", err.buf); | |
2456 | fwrite(output.buf, 1, output.len, stdout); | |
2457 | putchar('\n'); | |
2458 | ||
2459 | strbuf_release(&err); | |
2460 | strbuf_release(&output); | |
2111aa79 LP |
2461 | free_array_item(ref_item); |
2462 | } | |
2463 | ||
29ef53cd JK |
2464 | static int parse_sorting_atom(const char *atom) |
2465 | { | |
ab7ded34 JK |
2466 | /* |
2467 | * This parses an atom using a dummy ref_format, since we don't | |
2468 | * actually care about the formatting details. | |
2469 | */ | |
2470 | struct ref_format dummy = REF_FORMAT_INIT; | |
29ef53cd | 2471 | const char *end = atom + strlen(atom); |
e6ff7b3b OT |
2472 | struct strbuf err = STRBUF_INIT; |
2473 | int res = parse_ref_filter_atom(&dummy, atom, end, &err); | |
2474 | if (res < 0) | |
2475 | die("%s", err.buf); | |
2476 | strbuf_release(&err); | |
2477 | return res; | |
29ef53cd JK |
2478 | } |
2479 | ||
c95b7585 KN |
2480 | /* If no sorting option is given, use refname to sort as default */ |
2481 | struct ref_sorting *ref_default_sorting(void) | |
2482 | { | |
2483 | static const char cstr_name[] = "refname"; | |
2484 | ||
2485 | struct ref_sorting *sorting = xcalloc(1, sizeof(*sorting)); | |
2486 | ||
2487 | sorting->next = NULL; | |
29ef53cd | 2488 | sorting->atom = parse_sorting_atom(cstr_name); |
c95b7585 KN |
2489 | return sorting; |
2490 | } | |
2491 | ||
18a25650 | 2492 | void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg) |
c95b7585 | 2493 | { |
c95b7585 | 2494 | struct ref_sorting *s; |
c95b7585 | 2495 | |
ca56dadb | 2496 | CALLOC_ARRAY(s, 1); |
c95b7585 KN |
2497 | s->next = *sorting_tail; |
2498 | *sorting_tail = s; | |
2499 | ||
2500 | if (*arg == '-') { | |
7c269a7b | 2501 | s->sort_flags |= REF_SORTING_REVERSE; |
c95b7585 KN |
2502 | arg++; |
2503 | } | |
90c00408 KN |
2504 | if (skip_prefix(arg, "version:", &arg) || |
2505 | skip_prefix(arg, "v:", &arg)) | |
7c269a7b | 2506 | s->sort_flags |= REF_SORTING_VERSION; |
29ef53cd | 2507 | s->atom = parse_sorting_atom(arg); |
18a25650 JK |
2508 | } |
2509 | ||
2510 | int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset) | |
2511 | { | |
95be717c JK |
2512 | /* |
2513 | * NEEDSWORK: We should probably clear the list in this case, but we've | |
2514 | * already munged the global used_atoms list, which would need to be | |
2515 | * undone. | |
2516 | */ | |
2517 | BUG_ON_OPT_NEG(unset); | |
2518 | ||
18a25650 | 2519 | parse_ref_sorting(opt->value, arg); |
c95b7585 KN |
2520 | return 0; |
2521 | } | |
5afcb905 KN |
2522 | |
2523 | int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) | |
2524 | { | |
2525 | struct ref_filter *rf = opt->value; | |
1e43ed98 | 2526 | struct object_id oid; |
21bf9339 | 2527 | struct commit *merge_commit; |
5afcb905 | 2528 | |
517fe807 JK |
2529 | BUG_ON_OPT_NEG(unset); |
2530 | ||
1e43ed98 | 2531 | if (get_oid(arg, &oid)) |
5afcb905 KN |
2532 | die(_("malformed object name %s"), arg); |
2533 | ||
21bf9339 AL |
2534 | merge_commit = lookup_commit_reference_gently(the_repository, &oid, 0); |
2535 | ||
2536 | if (!merge_commit) | |
9440b831 | 2537 | return error(_("option `%s' must point to a commit"), opt->long_name); |
5afcb905 | 2538 | |
21bf9339 AL |
2539 | if (starts_with(opt->long_name, "no")) |
2540 | commit_list_insert(merge_commit, &rf->unreachable_from); | |
2541 | else | |
2542 | commit_list_insert(merge_commit, &rf->reachable_from); | |
2543 | ||
5afcb905 KN |
2544 | return 0; |
2545 | } |