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Commit | Line | Data |
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a6dc3d36 | 1 | #include "cache.h" |
36bf1958 | 2 | #include "alloc.h" |
32a8f510 | 3 | #include "environment.h" |
f394e093 | 4 | #include "gettext.h" |
41771fa4 | 5 | #include "hex.h" |
c95b7585 KN |
6 | #include "parse-options.h" |
7 | #include "refs.h" | |
8 | #include "wildmatch.h" | |
dabab1d6 | 9 | #include "object-name.h" |
cbd53a21 | 10 | #include "object-store.h" |
6f2d7430 | 11 | #include "oid-array.h" |
109cd76d | 12 | #include "repository.h" |
c95b7585 KN |
13 | #include "commit.h" |
14 | #include "remote.h" | |
15 | #include "color.h" | |
16 | #include "tag.h" | |
17 | #include "quote.h" | |
18 | #include "ref-filter.h" | |
35257aa0 | 19 | #include "revision.h" |
ce592082 | 20 | #include "utf8.h" |
90c00408 | 21 | #include "version.h" |
3467663d | 22 | #include "versioncmp.h" |
b1d31c89 | 23 | #include "trailer.h" |
d4919bb2 | 24 | #include "wt-status.h" |
a91aca44 | 25 | #include "commit-slab.h" |
819807b3 | 26 | #include "commit-graph.h" |
64043556 | 27 | #include "commit-reach.h" |
2582083f NB |
28 | #include "worktree.h" |
29 | #include "hashmap.h" | |
dbbcd44f | 30 | #include "strvec.h" |
c95b7585 | 31 | |
6eac70fa KN |
32 | static struct ref_msg { |
33 | const char *gone; | |
34 | const char *ahead; | |
35 | const char *behind; | |
36 | const char *ahead_behind; | |
37 | } msgs = { | |
38 | /* Untranslated plumbing messages: */ | |
39 | "gone", | |
40 | "ahead %d", | |
41 | "behind %d", | |
42 | "ahead %d, behind %d" | |
43 | }; | |
44 | ||
45 | void setup_ref_filter_porcelain_msg(void) | |
46 | { | |
47 | msgs.gone = _("gone"); | |
48 | msgs.ahead = _("ahead %d"); | |
49 | msgs.behind = _("behind %d"); | |
50 | msgs.ahead_behind = _("ahead %d, behind %d"); | |
51 | } | |
c95b7585 KN |
52 | |
53 | typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type; | |
4f3e3b37 | 54 | typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status; |
a8e7e385 | 55 | typedef enum { SOURCE_NONE = 0, SOURCE_OBJ, SOURCE_OTHER } info_source; |
c95b7585 | 56 | |
5bd881d9 KN |
57 | struct align { |
58 | align_type position; | |
59 | unsigned int width; | |
60 | }; | |
61 | ||
c58492d4 | 62 | struct if_then_else { |
4f3e3b37 KN |
63 | cmp_status cmp_status; |
64 | const char *str; | |
c58492d4 KN |
65 | unsigned int then_atom_seen : 1, |
66 | else_atom_seen : 1, | |
67 | condition_satisfied : 1; | |
68 | }; | |
69 | ||
b180e6fe | 70 | struct refname_atom { |
1a34728e KN |
71 | enum { R_NORMAL, R_SHORT, R_LSTRIP, R_RSTRIP } option; |
72 | int lstrip, rstrip; | |
b180e6fe KN |
73 | }; |
74 | ||
ee82a487 HV |
75 | static struct ref_trailer_buf { |
76 | struct string_list filter_list; | |
77 | struct strbuf sepbuf; | |
78 | struct strbuf kvsepbuf; | |
79 | } ref_trailer_buf = {STRING_LIST_INIT_NODUP, STRBUF_INIT, STRBUF_INIT}; | |
80 | ||
aa46a0da OT |
81 | static struct expand_data { |
82 | struct object_id oid; | |
83 | enum object_type type; | |
84 | unsigned long size; | |
85 | off_t disk_size; | |
86 | struct object_id delta_base_oid; | |
87 | void *content; | |
88 | ||
89 | struct object_info info; | |
90 | } oi, oi_deref; | |
91 | ||
2582083f | 92 | struct ref_to_worktree_entry { |
e2b5038d | 93 | struct hashmap_entry ent; |
2582083f NB |
94 | struct worktree *wt; /* key is wt->head_ref */ |
95 | }; | |
96 | ||
5cf88fd8 | 97 | static int ref_to_worktree_map_cmpfnc(const void *lookupdata UNUSED, |
939af16e EW |
98 | const struct hashmap_entry *eptr, |
99 | const struct hashmap_entry *kptr, | |
2582083f NB |
100 | const void *keydata_aka_refname) |
101 | { | |
939af16e EW |
102 | const struct ref_to_worktree_entry *e, *k; |
103 | ||
104 | e = container_of(eptr, const struct ref_to_worktree_entry, ent); | |
105 | k = container_of(kptr, const struct ref_to_worktree_entry, ent); | |
106 | ||
2582083f NB |
107 | return strcmp(e->wt->head_ref, |
108 | keydata_aka_refname ? keydata_aka_refname : k->wt->head_ref); | |
109 | } | |
110 | ||
111 | static struct ref_to_worktree_map { | |
112 | struct hashmap map; | |
113 | struct worktree **worktrees; | |
114 | } ref_to_worktree_map; | |
115 | ||
1197f1a4 ZH |
116 | /* |
117 | * The enum atom_type is used as the index of valid_atom array. | |
118 | * In the atom parsing stage, it will be passed to used_atom.atom_type | |
119 | * as the identifier of the atom type. We can check the type of used_atom | |
120 | * entry by `if (used_atom[i].atom_type == ATOM_*)`. | |
121 | */ | |
122 | enum atom_type { | |
123 | ATOM_REFNAME, | |
124 | ATOM_OBJECTTYPE, | |
125 | ATOM_OBJECTSIZE, | |
126 | ATOM_OBJECTNAME, | |
127 | ATOM_DELTABASE, | |
128 | ATOM_TREE, | |
129 | ATOM_PARENT, | |
130 | ATOM_NUMPARENT, | |
131 | ATOM_OBJECT, | |
132 | ATOM_TYPE, | |
133 | ATOM_TAG, | |
134 | ATOM_AUTHOR, | |
135 | ATOM_AUTHORNAME, | |
136 | ATOM_AUTHOREMAIL, | |
137 | ATOM_AUTHORDATE, | |
138 | ATOM_COMMITTER, | |
139 | ATOM_COMMITTERNAME, | |
140 | ATOM_COMMITTEREMAIL, | |
141 | ATOM_COMMITTERDATE, | |
142 | ATOM_TAGGER, | |
143 | ATOM_TAGGERNAME, | |
144 | ATOM_TAGGEREMAIL, | |
145 | ATOM_TAGGERDATE, | |
146 | ATOM_CREATOR, | |
147 | ATOM_CREATORDATE, | |
148 | ATOM_SUBJECT, | |
149 | ATOM_BODY, | |
150 | ATOM_TRAILERS, | |
151 | ATOM_CONTENTS, | |
bd0708c7 | 152 | ATOM_RAW, |
1197f1a4 ZH |
153 | ATOM_UPSTREAM, |
154 | ATOM_PUSH, | |
155 | ATOM_SYMREF, | |
156 | ATOM_FLAG, | |
157 | ATOM_HEAD, | |
158 | ATOM_COLOR, | |
159 | ATOM_WORKTREEPATH, | |
160 | ATOM_ALIGN, | |
161 | ATOM_END, | |
162 | ATOM_IF, | |
163 | ATOM_THEN, | |
164 | ATOM_ELSE, | |
b9dee075 | 165 | ATOM_REST, |
1197f1a4 ZH |
166 | }; |
167 | ||
50cd83dc KN |
168 | /* |
169 | * An atom is a valid field atom listed below, possibly prefixed with | |
170 | * a "*" to denote deref_tag(). | |
171 | * | |
172 | * We parse given format string and sort specifiers, and make a list | |
173 | * of properties that we need to extract out of objects. ref_array_item | |
174 | * structure will hold an array of values extracted that can be | |
175 | * indexed with the "atom number", which is an index into this | |
176 | * array. | |
177 | */ | |
b072add7 | 178 | static struct used_atom { |
1197f1a4 | 179 | enum atom_type atom_type; |
b072add7 KN |
180 | const char *name; |
181 | cmp_type type; | |
a8e7e385 | 182 | info_source source; |
fd935cc7 KN |
183 | union { |
184 | char color[COLOR_MAXLEN]; | |
5bd881d9 | 185 | struct align align; |
7743fcca | 186 | struct { |
cc72385f | 187 | enum { |
9700fae5 | 188 | RR_REF, RR_TRACK, RR_TRACKSHORT, RR_REMOTE_NAME, RR_REMOTE_REF |
cc72385f | 189 | } option; |
3ba308cb | 190 | struct refname_atom refname; |
cc72385f | 191 | unsigned int nobracket : 1, push : 1, push_remote : 1; |
7743fcca | 192 | } remote_ref; |
452db397 | 193 | struct { |
905f0a4e HV |
194 | enum { C_BARE, C_BODY, C_BODY_DEP, C_LENGTH, C_LINES, |
195 | C_SIG, C_SUB, C_SUB_SANITIZE, C_TRAILERS } option; | |
67a20a00 | 196 | struct process_trailer_options trailer_opts; |
452db397 KN |
197 | unsigned int nlines; |
198 | } contents; | |
bd0708c7 ZH |
199 | struct { |
200 | enum { RAW_BARE, RAW_LENGTH } option; | |
201 | } raw_data; | |
4f3e3b37 KN |
202 | struct { |
203 | cmp_status cmp_status; | |
204 | const char *str; | |
205 | } if_then_else; | |
42d0eb05 KN |
206 | struct { |
207 | enum { O_FULL, O_LENGTH, O_SHORT } option; | |
208 | unsigned int length; | |
87d3beb6 | 209 | } oid; |
0caf20f2 ZH |
210 | struct { |
211 | enum { O_SIZE, O_SIZE_DISK } option; | |
212 | } objectsize; | |
b82445dc HV |
213 | struct email_option { |
214 | enum { EO_RAW, EO_TRIM, EO_LOCALPART } option; | |
215 | } email_option; | |
b180e6fe | 216 | struct refname_atom refname; |
613a0e52 | 217 | char *head; |
fd935cc7 | 218 | } u; |
b072add7 | 219 | } *used_atom; |
50cd83dc | 220 | static int used_atom_cnt, need_tagged, need_symref; |
50cd83dc | 221 | |
e2e7a245 OT |
222 | /* |
223 | * Expand string, append it to strbuf *sb, then return error code ret. | |
224 | * Allow to save few lines of code. | |
225 | */ | |
48ca53ca | 226 | __attribute__((format (printf, 3, 4))) |
e2e7a245 OT |
227 | static int strbuf_addf_ret(struct strbuf *sb, int ret, const char *fmt, ...) |
228 | { | |
229 | va_list ap; | |
230 | va_start(ap, fmt); | |
231 | strbuf_vaddf(sb, fmt, ap); | |
232 | va_end(ap); | |
233 | return ret; | |
234 | } | |
235 | ||
a33d0fae JK |
236 | static int err_no_arg(struct strbuf *sb, const char *name) |
237 | { | |
1955ef10 JK |
238 | size_t namelen = strchrnul(name, ':') - name; |
239 | strbuf_addf(sb, _("%%(%.*s) does not take arguments"), | |
240 | (int)namelen, name); | |
a33d0fae JK |
241 | return -1; |
242 | } | |
243 | ||
dda4fc1a JK |
244 | static int err_bad_arg(struct strbuf *sb, const char *name, const char *arg) |
245 | { | |
1955ef10 JK |
246 | size_t namelen = strchrnul(name, ':') - name; |
247 | strbuf_addf(sb, _("unrecognized %%(%.*s) argument: %s"), | |
248 | (int)namelen, name, arg); | |
dda4fc1a JK |
249 | return -1; |
250 | } | |
251 | ||
e85fcb35 | 252 | static int color_atom_parser(struct ref_format *format, struct used_atom *atom, |
74efea94 | 253 | const char *color_value, struct strbuf *err) |
fd935cc7 KN |
254 | { |
255 | if (!color_value) | |
74efea94 | 256 | return strbuf_addf_ret(err, -1, _("expected format: %%(color:<color>)")); |
fd935cc7 | 257 | if (color_parse(color_value, atom->u.color) < 0) |
74efea94 OT |
258 | return strbuf_addf_ret(err, -1, _("unrecognized color: %%(color:%s)"), |
259 | color_value); | |
11b087ad JK |
260 | /* |
261 | * We check this after we've parsed the color, which lets us complain | |
262 | * about syntactically bogus color names even if they won't be used. | |
263 | */ | |
264 | if (!want_color(format->use_color)) | |
265 | color_parse("", atom->u.color); | |
74efea94 | 266 | return 0; |
fd935cc7 KN |
267 | } |
268 | ||
74efea94 OT |
269 | static int refname_atom_parser_internal(struct refname_atom *atom, const char *arg, |
270 | const char *name, struct strbuf *err) | |
5339bdad KN |
271 | { |
272 | if (!arg) | |
b180e6fe | 273 | atom->option = R_NORMAL; |
5339bdad | 274 | else if (!strcmp(arg, "short")) |
b180e6fe | 275 | atom->option = R_SHORT; |
44a6b6ce JH |
276 | else if (skip_prefix(arg, "lstrip=", &arg) || |
277 | skip_prefix(arg, "strip=", &arg)) { | |
17938f17 | 278 | atom->option = R_LSTRIP; |
1a0ca5e3 | 279 | if (strtol_i(arg, 10, &atom->lstrip)) |
74efea94 | 280 | return strbuf_addf_ret(err, -1, _("Integer value expected refname:lstrip=%s"), arg); |
1a34728e KN |
281 | } else if (skip_prefix(arg, "rstrip=", &arg)) { |
282 | atom->option = R_RSTRIP; | |
283 | if (strtol_i(arg, 10, &atom->rstrip)) | |
74efea94 | 284 | return strbuf_addf_ret(err, -1, _("Integer value expected refname:rstrip=%s"), arg); |
b180e6fe | 285 | } else |
1955ef10 | 286 | return err_bad_arg(err, name, arg); |
74efea94 | 287 | return 0; |
b180e6fe KN |
288 | } |
289 | ||
5fe9e1ce JK |
290 | static int remote_ref_atom_parser(struct ref_format *format UNUSED, |
291 | struct used_atom *atom, | |
74efea94 | 292 | const char *arg, struct strbuf *err) |
5339bdad | 293 | { |
7743fcca KN |
294 | struct string_list params = STRING_LIST_INIT_DUP; |
295 | int i; | |
296 | ||
cc72385f JS |
297 | if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:")) |
298 | atom->u.remote_ref.push = 1; | |
299 | ||
7743fcca | 300 | if (!arg) { |
3ba308cb | 301 | atom->u.remote_ref.option = RR_REF; |
74efea94 OT |
302 | return refname_atom_parser_internal(&atom->u.remote_ref.refname, |
303 | arg, atom->name, err); | |
7743fcca KN |
304 | } |
305 | ||
306 | atom->u.remote_ref.nobracket = 0; | |
307 | string_list_split(¶ms, arg, ',', -1); | |
308 | ||
309 | for (i = 0; i < params.nr; i++) { | |
310 | const char *s = params.items[i].string; | |
311 | ||
3ba308cb | 312 | if (!strcmp(s, "track")) |
7743fcca KN |
313 | atom->u.remote_ref.option = RR_TRACK; |
314 | else if (!strcmp(s, "trackshort")) | |
315 | atom->u.remote_ref.option = RR_TRACKSHORT; | |
316 | else if (!strcmp(s, "nobracket")) | |
317 | atom->u.remote_ref.nobracket = 1; | |
cc72385f JS |
318 | else if (!strcmp(s, "remotename")) { |
319 | atom->u.remote_ref.option = RR_REMOTE_NAME; | |
320 | atom->u.remote_ref.push_remote = 1; | |
9700fae5 W |
321 | } else if (!strcmp(s, "remoteref")) { |
322 | atom->u.remote_ref.option = RR_REMOTE_REF; | |
323 | atom->u.remote_ref.push_remote = 1; | |
cc72385f | 324 | } else { |
3ba308cb | 325 | atom->u.remote_ref.option = RR_REF; |
74efea94 OT |
326 | if (refname_atom_parser_internal(&atom->u.remote_ref.refname, |
327 | arg, atom->name, err)) { | |
328 | string_list_clear(¶ms, 0); | |
329 | return -1; | |
330 | } | |
3ba308cb | 331 | } |
7743fcca KN |
332 | } |
333 | ||
334 | string_list_clear(¶ms, 0); | |
74efea94 | 335 | return 0; |
5339bdad KN |
336 | } |
337 | ||
5fe9e1ce JK |
338 | static int objecttype_atom_parser(struct ref_format *format UNUSED, |
339 | struct used_atom *atom, | |
aa46a0da OT |
340 | const char *arg, struct strbuf *err) |
341 | { | |
342 | if (arg) | |
a33d0fae | 343 | return err_no_arg(err, "objecttype"); |
aa46a0da OT |
344 | if (*atom->name == '*') |
345 | oi_deref.info.typep = &oi_deref.type; | |
346 | else | |
347 | oi.info.typep = &oi.type; | |
348 | return 0; | |
349 | } | |
350 | ||
5fe9e1ce JK |
351 | static int objectsize_atom_parser(struct ref_format *format UNUSED, |
352 | struct used_atom *atom, | |
aa46a0da OT |
353 | const char *arg, struct strbuf *err) |
354 | { | |
1867ce6c | 355 | if (!arg) { |
0caf20f2 | 356 | atom->u.objectsize.option = O_SIZE; |
1867ce6c OT |
357 | if (*atom->name == '*') |
358 | oi_deref.info.sizep = &oi_deref.size; | |
359 | else | |
360 | oi.info.sizep = &oi.size; | |
361 | } else if (!strcmp(arg, "disk")) { | |
0caf20f2 | 362 | atom->u.objectsize.option = O_SIZE_DISK; |
1867ce6c OT |
363 | if (*atom->name == '*') |
364 | oi_deref.info.disk_sizep = &oi_deref.disk_size; | |
365 | else | |
366 | oi.info.disk_sizep = &oi.disk_size; | |
367 | } else | |
dda4fc1a | 368 | return err_bad_arg(err, "objectsize", arg); |
aa46a0da OT |
369 | return 0; |
370 | } | |
371 | ||
5fe9e1ce JK |
372 | static int deltabase_atom_parser(struct ref_format *format UNUSED, |
373 | struct used_atom *atom, | |
33311fa1 | 374 | const char *arg, struct strbuf *err) |
aa46a0da OT |
375 | { |
376 | if (arg) | |
a33d0fae | 377 | return err_no_arg(err, "deltabase"); |
aa46a0da | 378 | if (*atom->name == '*') |
b99b6bcc | 379 | oi_deref.info.delta_base_oid = &oi_deref.delta_base_oid; |
aa46a0da | 380 | else |
b99b6bcc | 381 | oi.info.delta_base_oid = &oi.delta_base_oid; |
aa46a0da OT |
382 | return 0; |
383 | } | |
384 | ||
5fe9e1ce JK |
385 | static int body_atom_parser(struct ref_format *format UNUSED, |
386 | struct used_atom *atom, | |
74efea94 | 387 | const char *arg, struct strbuf *err) |
452db397 KN |
388 | { |
389 | if (arg) | |
a33d0fae | 390 | return err_no_arg(err, "body"); |
452db397 | 391 | atom->u.contents.option = C_BODY_DEP; |
74efea94 | 392 | return 0; |
452db397 KN |
393 | } |
394 | ||
5fe9e1ce JK |
395 | static int subject_atom_parser(struct ref_format *format UNUSED, |
396 | struct used_atom *atom, | |
74efea94 | 397 | const char *arg, struct strbuf *err) |
452db397 | 398 | { |
905f0a4e HV |
399 | if (!arg) |
400 | atom->u.contents.option = C_SUB; | |
401 | else if (!strcmp(arg, "sanitize")) | |
402 | atom->u.contents.option = C_SUB_SANITIZE; | |
403 | else | |
dda4fc1a | 404 | return err_bad_arg(err, "subject", arg); |
74efea94 | 405 | return 0; |
452db397 KN |
406 | } |
407 | ||
5fe9e1ce JK |
408 | static int trailers_atom_parser(struct ref_format *format UNUSED, |
409 | struct used_atom *atom, | |
74efea94 | 410 | const char *arg, struct strbuf *err) |
b1d31c89 | 411 | { |
e5fba5d5 JK |
412 | atom->u.contents.trailer_opts.no_divider = 1; |
413 | ||
67a20a00 | 414 | if (arg) { |
ee82a487 HV |
415 | const char *argbuf = xstrfmt("%s)", arg); |
416 | char *invalid_arg = NULL; | |
417 | ||
418 | if (format_set_trailers_options(&atom->u.contents.trailer_opts, | |
419 | &ref_trailer_buf.filter_list, | |
420 | &ref_trailer_buf.sepbuf, | |
421 | &ref_trailer_buf.kvsepbuf, | |
422 | &argbuf, &invalid_arg)) { | |
423 | if (!invalid_arg) | |
424 | strbuf_addf(err, _("expected %%(trailers:key=<value>)")); | |
425 | else | |
426 | strbuf_addf(err, _("unknown %%(trailers) argument: %s"), invalid_arg); | |
427 | free((char *)invalid_arg); | |
428 | return -1; | |
67a20a00 TB |
429 | } |
430 | } | |
b1d31c89 | 431 | atom->u.contents.option = C_TRAILERS; |
74efea94 | 432 | return 0; |
b1d31c89 JK |
433 | } |
434 | ||
e85fcb35 | 435 | static int contents_atom_parser(struct ref_format *format, struct used_atom *atom, |
74efea94 | 436 | const char *arg, struct strbuf *err) |
452db397 KN |
437 | { |
438 | if (!arg) | |
439 | atom->u.contents.option = C_BARE; | |
440 | else if (!strcmp(arg, "body")) | |
441 | atom->u.contents.option = C_BODY; | |
b6839fda CC |
442 | else if (!strcmp(arg, "size")) |
443 | atom->u.contents.option = C_LENGTH; | |
452db397 KN |
444 | else if (!strcmp(arg, "signature")) |
445 | atom->u.contents.option = C_SIG; | |
446 | else if (!strcmp(arg, "subject")) | |
447 | atom->u.contents.option = C_SUB; | |
2c22e102 HV |
448 | else if (!strcmp(arg, "trailers")) { |
449 | if (trailers_atom_parser(format, atom, NULL, err)) | |
450 | return -1; | |
451 | } else if (skip_prefix(arg, "trailers:", &arg)) { | |
452 | if (trailers_atom_parser(format, atom, arg, err)) | |
74efea94 | 453 | return -1; |
7a5edbdb | 454 | } else if (skip_prefix(arg, "lines=", &arg)) { |
452db397 KN |
455 | atom->u.contents.option = C_LINES; |
456 | if (strtoul_ui(arg, 10, &atom->u.contents.nlines)) | |
74efea94 | 457 | return strbuf_addf_ret(err, -1, _("positive value expected contents:lines=%s"), arg); |
452db397 | 458 | } else |
dda4fc1a | 459 | return err_bad_arg(err, "contents", arg); |
74efea94 | 460 | return 0; |
452db397 KN |
461 | } |
462 | ||
5fe9e1ce JK |
463 | static int raw_atom_parser(struct ref_format *format UNUSED, |
464 | struct used_atom *atom, | |
465 | const char *arg, struct strbuf *err) | |
bd0708c7 ZH |
466 | { |
467 | if (!arg) | |
468 | atom->u.raw_data.option = RAW_BARE; | |
469 | else if (!strcmp(arg, "size")) | |
470 | atom->u.raw_data.option = RAW_LENGTH; | |
471 | else | |
dda4fc1a | 472 | return err_bad_arg(err, "raw", arg); |
bd0708c7 ZH |
473 | return 0; |
474 | } | |
475 | ||
5fe9e1ce JK |
476 | static int oid_atom_parser(struct ref_format *format UNUSED, |
477 | struct used_atom *atom, | |
87d3beb6 | 478 | const char *arg, struct strbuf *err) |
fe63c4d1 KN |
479 | { |
480 | if (!arg) | |
87d3beb6 | 481 | atom->u.oid.option = O_FULL; |
fe63c4d1 | 482 | else if (!strcmp(arg, "short")) |
87d3beb6 | 483 | atom->u.oid.option = O_SHORT; |
42d0eb05 | 484 | else if (skip_prefix(arg, "short=", &arg)) { |
87d3beb6 HV |
485 | atom->u.oid.option = O_LENGTH; |
486 | if (strtoul_ui(arg, 10, &atom->u.oid.length) || | |
487 | atom->u.oid.length == 0) | |
e7601eb5 | 488 | return strbuf_addf_ret(err, -1, _("positive value expected '%s' in %%(%s)"), arg, atom->name); |
87d3beb6 HV |
489 | if (atom->u.oid.length < MINIMUM_ABBREV) |
490 | atom->u.oid.length = MINIMUM_ABBREV; | |
42d0eb05 | 491 | } else |
1955ef10 | 492 | return err_bad_arg(err, atom->name, arg); |
74efea94 | 493 | return 0; |
fe63c4d1 KN |
494 | } |
495 | ||
5fe9e1ce JK |
496 | static int person_email_atom_parser(struct ref_format *format UNUSED, |
497 | struct used_atom *atom, | |
b82445dc HV |
498 | const char *arg, struct strbuf *err) |
499 | { | |
500 | if (!arg) | |
501 | atom->u.email_option.option = EO_RAW; | |
502 | else if (!strcmp(arg, "trim")) | |
503 | atom->u.email_option.option = EO_TRIM; | |
504 | else if (!strcmp(arg, "localpart")) | |
505 | atom->u.email_option.option = EO_LOCALPART; | |
506 | else | |
285da432 | 507 | return err_bad_arg(err, atom->name, arg); |
74efea94 | 508 | return 0; |
fe63c4d1 KN |
509 | } |
510 | ||
5fe9e1ce JK |
511 | static int refname_atom_parser(struct ref_format *format UNUSED, |
512 | struct used_atom *atom, | |
74efea94 | 513 | const char *arg, struct strbuf *err) |
a7984101 | 514 | { |
74efea94 | 515 | return refname_atom_parser_internal(&atom->u.refname, arg, atom->name, err); |
a7984101 KN |
516 | } |
517 | ||
25a8d79e KN |
518 | static align_type parse_align_position(const char *s) |
519 | { | |
520 | if (!strcmp(s, "right")) | |
521 | return ALIGN_RIGHT; | |
522 | else if (!strcmp(s, "middle")) | |
523 | return ALIGN_MIDDLE; | |
524 | else if (!strcmp(s, "left")) | |
525 | return ALIGN_LEFT; | |
526 | return -1; | |
527 | } | |
528 | ||
5fe9e1ce JK |
529 | static int align_atom_parser(struct ref_format *format UNUSED, |
530 | struct used_atom *atom, | |
74efea94 | 531 | const char *arg, struct strbuf *err) |
5bd881d9 KN |
532 | { |
533 | struct align *align = &atom->u.align; | |
534 | struct string_list params = STRING_LIST_INIT_DUP; | |
535 | int i; | |
536 | unsigned int width = ~0U; | |
537 | ||
538 | if (!arg) | |
74efea94 | 539 | return strbuf_addf_ret(err, -1, _("expected format: %%(align:<width>,<position>)")); |
5bd881d9 KN |
540 | |
541 | align->position = ALIGN_LEFT; | |
542 | ||
543 | string_list_split(¶ms, arg, ',', -1); | |
544 | for (i = 0; i < params.nr; i++) { | |
545 | const char *s = params.items[i].string; | |
546 | int position; | |
547 | ||
395fb8f9 KN |
548 | if (skip_prefix(s, "position=", &s)) { |
549 | position = parse_align_position(s); | |
74efea94 OT |
550 | if (position < 0) { |
551 | strbuf_addf(err, _("unrecognized position:%s"), s); | |
552 | string_list_clear(¶ms, 0); | |
553 | return -1; | |
554 | } | |
395fb8f9 KN |
555 | align->position = position; |
556 | } else if (skip_prefix(s, "width=", &s)) { | |
74efea94 OT |
557 | if (strtoul_ui(s, 10, &width)) { |
558 | strbuf_addf(err, _("unrecognized width:%s"), s); | |
559 | string_list_clear(¶ms, 0); | |
560 | return -1; | |
561 | } | |
395fb8f9 | 562 | } else if (!strtoul_ui(s, 10, &width)) |
5bd881d9 KN |
563 | ; |
564 | else if ((position = parse_align_position(s)) >= 0) | |
565 | align->position = position; | |
74efea94 | 566 | else { |
68e2ea0b | 567 | strbuf_addf(err, _("unrecognized %%(%s) argument: %s"), "align", s); |
74efea94 OT |
568 | string_list_clear(¶ms, 0); |
569 | return -1; | |
570 | } | |
5bd881d9 KN |
571 | } |
572 | ||
74efea94 OT |
573 | if (width == ~0U) { |
574 | string_list_clear(¶ms, 0); | |
575 | return strbuf_addf_ret(err, -1, _("positive width expected with the %%(align) atom")); | |
576 | } | |
5bd881d9 KN |
577 | align->width = width; |
578 | string_list_clear(¶ms, 0); | |
74efea94 | 579 | return 0; |
5bd881d9 KN |
580 | } |
581 | ||
5fe9e1ce JK |
582 | static int if_atom_parser(struct ref_format *format UNUSED, |
583 | struct used_atom *atom, | |
74efea94 | 584 | const char *arg, struct strbuf *err) |
4f3e3b37 KN |
585 | { |
586 | if (!arg) { | |
587 | atom->u.if_then_else.cmp_status = COMPARE_NONE; | |
74efea94 | 588 | return 0; |
4f3e3b37 KN |
589 | } else if (skip_prefix(arg, "equals=", &atom->u.if_then_else.str)) { |
590 | atom->u.if_then_else.cmp_status = COMPARE_EQUAL; | |
591 | } else if (skip_prefix(arg, "notequals=", &atom->u.if_then_else.str)) { | |
592 | atom->u.if_then_else.cmp_status = COMPARE_UNEQUAL; | |
74efea94 | 593 | } else |
dda4fc1a | 594 | return err_bad_arg(err, "if", arg); |
74efea94 | 595 | return 0; |
4f3e3b37 KN |
596 | } |
597 | ||
5fe9e1ce JK |
598 | static int rest_atom_parser(struct ref_format *format, |
599 | struct used_atom *atom UNUSED, | |
b9dee075 ZH |
600 | const char *arg, struct strbuf *err) |
601 | { | |
602 | if (arg) | |
a33d0fae | 603 | return err_no_arg(err, "rest"); |
b9dee075 ZH |
604 | format->use_rest = 1; |
605 | return 0; | |
606 | } | |
607 | ||
5fe9e1ce JK |
608 | static int head_atom_parser(struct ref_format *format UNUSED, |
609 | struct used_atom *atom, | |
afc1a946 | 610 | const char *arg, struct strbuf *err) |
613a0e52 | 611 | { |
afc1a946 | 612 | if (arg) |
a33d0fae | 613 | return err_no_arg(err, "HEAD"); |
efbd4fdf | 614 | atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL); |
74efea94 | 615 | return 0; |
613a0e52 | 616 | } |
4f3e3b37 | 617 | |
c95b7585 KN |
618 | static struct { |
619 | const char *name; | |
a8e7e385 | 620 | info_source source; |
c95b7585 | 621 | cmp_type cmp_type; |
e85fcb35 | 622 | int (*parser)(struct ref_format *format, struct used_atom *atom, |
74efea94 | 623 | const char *arg, struct strbuf *err); |
c95b7585 | 624 | } valid_atom[] = { |
1197f1a4 ZH |
625 | [ATOM_REFNAME] = { "refname", SOURCE_NONE, FIELD_STR, refname_atom_parser }, |
626 | [ATOM_OBJECTTYPE] = { "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser }, | |
627 | [ATOM_OBJECTSIZE] = { "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser }, | |
628 | [ATOM_OBJECTNAME] = { "objectname", SOURCE_OTHER, FIELD_STR, oid_atom_parser }, | |
629 | [ATOM_DELTABASE] = { "deltabase", SOURCE_OTHER, FIELD_STR, deltabase_atom_parser }, | |
630 | [ATOM_TREE] = { "tree", SOURCE_OBJ, FIELD_STR, oid_atom_parser }, | |
631 | [ATOM_PARENT] = { "parent", SOURCE_OBJ, FIELD_STR, oid_atom_parser }, | |
632 | [ATOM_NUMPARENT] = { "numparent", SOURCE_OBJ, FIELD_ULONG }, | |
633 | [ATOM_OBJECT] = { "object", SOURCE_OBJ }, | |
634 | [ATOM_TYPE] = { "type", SOURCE_OBJ }, | |
635 | [ATOM_TAG] = { "tag", SOURCE_OBJ }, | |
636 | [ATOM_AUTHOR] = { "author", SOURCE_OBJ }, | |
637 | [ATOM_AUTHORNAME] = { "authorname", SOURCE_OBJ }, | |
638 | [ATOM_AUTHOREMAIL] = { "authoremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, | |
639 | [ATOM_AUTHORDATE] = { "authordate", SOURCE_OBJ, FIELD_TIME }, | |
640 | [ATOM_COMMITTER] = { "committer", SOURCE_OBJ }, | |
641 | [ATOM_COMMITTERNAME] = { "committername", SOURCE_OBJ }, | |
642 | [ATOM_COMMITTEREMAIL] = { "committeremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, | |
643 | [ATOM_COMMITTERDATE] = { "committerdate", SOURCE_OBJ, FIELD_TIME }, | |
644 | [ATOM_TAGGER] = { "tagger", SOURCE_OBJ }, | |
645 | [ATOM_TAGGERNAME] = { "taggername", SOURCE_OBJ }, | |
646 | [ATOM_TAGGEREMAIL] = { "taggeremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, | |
647 | [ATOM_TAGGERDATE] = { "taggerdate", SOURCE_OBJ, FIELD_TIME }, | |
648 | [ATOM_CREATOR] = { "creator", SOURCE_OBJ }, | |
649 | [ATOM_CREATORDATE] = { "creatordate", SOURCE_OBJ, FIELD_TIME }, | |
650 | [ATOM_SUBJECT] = { "subject", SOURCE_OBJ, FIELD_STR, subject_atom_parser }, | |
651 | [ATOM_BODY] = { "body", SOURCE_OBJ, FIELD_STR, body_atom_parser }, | |
652 | [ATOM_TRAILERS] = { "trailers", SOURCE_OBJ, FIELD_STR, trailers_atom_parser }, | |
653 | [ATOM_CONTENTS] = { "contents", SOURCE_OBJ, FIELD_STR, contents_atom_parser }, | |
bd0708c7 | 654 | [ATOM_RAW] = { "raw", SOURCE_OBJ, FIELD_STR, raw_atom_parser }, |
1197f1a4 ZH |
655 | [ATOM_UPSTREAM] = { "upstream", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, |
656 | [ATOM_PUSH] = { "push", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, | |
657 | [ATOM_SYMREF] = { "symref", SOURCE_NONE, FIELD_STR, refname_atom_parser }, | |
658 | [ATOM_FLAG] = { "flag", SOURCE_NONE }, | |
659 | [ATOM_HEAD] = { "HEAD", SOURCE_NONE, FIELD_STR, head_atom_parser }, | |
660 | [ATOM_COLOR] = { "color", SOURCE_NONE, FIELD_STR, color_atom_parser }, | |
661 | [ATOM_WORKTREEPATH] = { "worktreepath", SOURCE_NONE }, | |
662 | [ATOM_ALIGN] = { "align", SOURCE_NONE, FIELD_STR, align_atom_parser }, | |
663 | [ATOM_END] = { "end", SOURCE_NONE }, | |
664 | [ATOM_IF] = { "if", SOURCE_NONE, FIELD_STR, if_atom_parser }, | |
665 | [ATOM_THEN] = { "then", SOURCE_NONE }, | |
666 | [ATOM_ELSE] = { "else", SOURCE_NONE }, | |
b9dee075 | 667 | [ATOM_REST] = { "rest", SOURCE_NONE, FIELD_STR, rest_atom_parser }, |
5a59a230 NTND |
668 | /* |
669 | * Please update $__git_ref_fieldlist in git-completion.bash | |
670 | * when you add new atoms | |
671 | */ | |
c95b7585 KN |
672 | }; |
673 | ||
9865b6e6 | 674 | #define REF_FORMATTING_STATE_INIT { 0 } |
574e96a2 KN |
675 | |
676 | struct ref_formatting_stack { | |
677 | struct ref_formatting_stack *prev; | |
678 | struct strbuf output; | |
c58492d4 | 679 | void (*at_end)(struct ref_formatting_stack **stack); |
ce592082 | 680 | void *at_end_data; |
574e96a2 KN |
681 | }; |
682 | ||
683 | struct ref_formatting_state { | |
684 | int quote_style; | |
685 | struct ref_formatting_stack *stack; | |
686 | }; | |
687 | ||
3a25761a KN |
688 | struct atom_value { |
689 | const char *s; | |
bd0708c7 | 690 | ssize_t s_size; |
3fc8439c OT |
691 | int (*handler)(struct atom_value *atomv, struct ref_formatting_state *state, |
692 | struct strbuf *err); | |
e467dc14 | 693 | uintmax_t value; /* used for sorting when not FIELD_STR */ |
c58fc856 | 694 | struct used_atom *atom; |
3a25761a KN |
695 | }; |
696 | ||
bd0708c7 ZH |
697 | #define ATOM_SIZE_UNSPECIFIED (-1) |
698 | ||
699 | #define ATOM_VALUE_INIT { \ | |
700 | .s_size = ATOM_SIZE_UNSPECIFIED \ | |
701 | } | |
702 | ||
c95b7585 KN |
703 | /* |
704 | * Used to parse format string and sort specifiers | |
705 | */ | |
e85fcb35 | 706 | static int parse_ref_filter_atom(struct ref_format *format, |
e6ff7b3b OT |
707 | const char *atom, const char *ep, |
708 | struct strbuf *err) | |
c95b7585 KN |
709 | { |
710 | const char *sp; | |
4de707ea | 711 | const char *arg; |
e94ce139 | 712 | int i, at, atom_len; |
c95b7585 KN |
713 | |
714 | sp = atom; | |
715 | if (*sp == '*' && sp < ep) | |
716 | sp++; /* deref */ | |
717 | if (ep <= sp) | |
e6ff7b3b OT |
718 | return strbuf_addf_ret(err, -1, _("malformed field name: %.*s"), |
719 | (int)(ep-atom), atom); | |
c95b7585 | 720 | |
e94ce139 SG |
721 | /* |
722 | * If the atom name has a colon, strip it and everything after | |
723 | * it off - it specifies the format for this entry, and | |
724 | * shouldn't be used for checking against the valid_atom | |
725 | * table. | |
726 | */ | |
727 | arg = memchr(sp, ':', ep - sp); | |
728 | atom_len = (arg ? arg : ep) - sp; | |
729 | ||
bd0708c7 ZH |
730 | /* Do we have the atom already used elsewhere? */ |
731 | for (i = 0; i < used_atom_cnt; i++) { | |
732 | int len = strlen(used_atom[i].name); | |
733 | if (len == ep - atom && !memcmp(used_atom[i].name, atom, len)) | |
734 | return i; | |
735 | } | |
736 | ||
c95b7585 KN |
737 | /* Is the atom a valid one? */ |
738 | for (i = 0; i < ARRAY_SIZE(valid_atom); i++) { | |
739 | int len = strlen(valid_atom[i].name); | |
e94ce139 | 740 | if (len == atom_len && !memcmp(valid_atom[i].name, sp, len)) |
c95b7585 KN |
741 | break; |
742 | } | |
743 | ||
744 | if (ARRAY_SIZE(valid_atom) <= i) | |
e6ff7b3b OT |
745 | return strbuf_addf_ret(err, -1, _("unknown field name: %.*s"), |
746 | (int)(ep-atom), atom); | |
47bd3d0c SG |
747 | if (valid_atom[i].source != SOURCE_NONE && !have_git_dir()) |
748 | return strbuf_addf_ret(err, -1, | |
749 | _("not a git repository, but the field '%.*s' requires access to object data"), | |
750 | (int)(ep-atom), atom); | |
c95b7585 KN |
751 | |
752 | /* Add it in, including the deref prefix */ | |
753 | at = used_atom_cnt; | |
754 | used_atom_cnt++; | |
755 | REALLOC_ARRAY(used_atom, used_atom_cnt); | |
1197f1a4 | 756 | used_atom[at].atom_type = i; |
b072add7 KN |
757 | used_atom[at].name = xmemdupz(atom, ep - atom); |
758 | used_atom[at].type = valid_atom[i].cmp_type; | |
a8e7e385 | 759 | used_atom[at].source = valid_atom[i].source; |
aa46a0da OT |
760 | if (used_atom[at].source == SOURCE_OBJ) { |
761 | if (*atom == '*') | |
762 | oi_deref.info.contentp = &oi_deref.content; | |
763 | else | |
764 | oi.info.contentp = &oi.content; | |
765 | } | |
bea4dbea | 766 | if (arg) { |
4de707ea | 767 | arg = used_atom[at].name + (arg - atom) + 1; |
bea4dbea TB |
768 | if (!*arg) { |
769 | /* | |
770 | * Treat empty sub-arguments list as NULL (i.e., | |
771 | * "%(atom:)" is equivalent to "%(atom)"). | |
772 | */ | |
773 | arg = NULL; | |
774 | } | |
775 | } | |
fd935cc7 | 776 | memset(&used_atom[at].u, 0, sizeof(used_atom[at].u)); |
74efea94 OT |
777 | if (valid_atom[i].parser && valid_atom[i].parser(format, &used_atom[at], arg, err)) |
778 | return -1; | |
c95b7585 KN |
779 | if (*atom == '*') |
780 | need_tagged = 1; | |
1197f1a4 | 781 | if (i == ATOM_SYMREF) |
c95b7585 KN |
782 | need_symref = 1; |
783 | return at; | |
784 | } | |
785 | ||
bd0708c7 | 786 | static void quote_formatting(struct strbuf *s, const char *str, ssize_t len, int quote_style) |
63d89fbc KN |
787 | { |
788 | switch (quote_style) { | |
789 | case QUOTE_NONE: | |
bd0708c7 ZH |
790 | if (len < 0) |
791 | strbuf_addstr(s, str); | |
792 | else | |
793 | strbuf_add(s, str, len); | |
63d89fbc KN |
794 | break; |
795 | case QUOTE_SHELL: | |
796 | sq_quote_buf(s, str); | |
797 | break; | |
798 | case QUOTE_PERL: | |
7121c4d4 ZH |
799 | if (len < 0) |
800 | perl_quote_buf(s, str); | |
801 | else | |
802 | perl_quote_buf_with_len(s, str, len); | |
63d89fbc KN |
803 | break; |
804 | case QUOTE_PYTHON: | |
805 | python_quote_buf(s, str); | |
806 | break; | |
807 | case QUOTE_TCL: | |
808 | tcl_quote_buf(s, str); | |
809 | break; | |
810 | } | |
811 | } | |
812 | ||
3fc8439c | 813 | static int append_atom(struct atom_value *v, struct ref_formatting_state *state, |
5fe9e1ce | 814 | struct strbuf *err UNUSED) |
63d89fbc | 815 | { |
ce592082 KN |
816 | /* |
817 | * Quote formatting is only done when the stack has a single | |
818 | * element. Otherwise quote formatting is done on the | |
819 | * element's entire output strbuf when the %(end) atom is | |
820 | * encountered. | |
821 | */ | |
822 | if (!state->stack->prev) | |
bd0708c7 ZH |
823 | quote_formatting(&state->stack->output, v->s, v->s_size, state->quote_style); |
824 | else if (v->s_size < 0) | |
ce592082 | 825 | strbuf_addstr(&state->stack->output, v->s); |
bd0708c7 ZH |
826 | else |
827 | strbuf_add(&state->stack->output, v->s, v->s_size); | |
3fc8439c | 828 | return 0; |
63d89fbc KN |
829 | } |
830 | ||
574e96a2 KN |
831 | static void push_stack_element(struct ref_formatting_stack **stack) |
832 | { | |
833 | struct ref_formatting_stack *s = xcalloc(1, sizeof(struct ref_formatting_stack)); | |
834 | ||
835 | strbuf_init(&s->output, 0); | |
836 | s->prev = *stack; | |
837 | *stack = s; | |
838 | } | |
839 | ||
840 | static void pop_stack_element(struct ref_formatting_stack **stack) | |
841 | { | |
842 | struct ref_formatting_stack *current = *stack; | |
843 | struct ref_formatting_stack *prev = current->prev; | |
844 | ||
845 | if (prev) | |
846 | strbuf_addbuf(&prev->output, ¤t->output); | |
847 | strbuf_release(¤t->output); | |
848 | free(current); | |
849 | *stack = prev; | |
850 | } | |
851 | ||
c58492d4 | 852 | static void end_align_handler(struct ref_formatting_stack **stack) |
ce592082 | 853 | { |
c58492d4 KN |
854 | struct ref_formatting_stack *cur = *stack; |
855 | struct align *align = (struct align *)cur->at_end_data; | |
ce592082 KN |
856 | struct strbuf s = STRBUF_INIT; |
857 | ||
c58492d4 KN |
858 | strbuf_utf8_align(&s, align->position, align->width, cur->output.buf); |
859 | strbuf_swap(&cur->output, &s); | |
ce592082 KN |
860 | strbuf_release(&s); |
861 | } | |
862 | ||
3fc8439c | 863 | static int align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
5fe9e1ce | 864 | struct strbuf *err UNUSED) |
ce592082 | 865 | { |
1472b5bf | 866 | struct ref_formatting_stack *new_stack; |
ce592082 KN |
867 | |
868 | push_stack_element(&state->stack); | |
1472b5bf BW |
869 | new_stack = state->stack; |
870 | new_stack->at_end = end_align_handler; | |
871 | new_stack->at_end_data = &atomv->atom->u.align; | |
3fc8439c | 872 | return 0; |
ce592082 KN |
873 | } |
874 | ||
c58492d4 KN |
875 | static void if_then_else_handler(struct ref_formatting_stack **stack) |
876 | { | |
877 | struct ref_formatting_stack *cur = *stack; | |
878 | struct ref_formatting_stack *prev = cur->prev; | |
879 | struct if_then_else *if_then_else = (struct if_then_else *)cur->at_end_data; | |
880 | ||
881 | if (!if_then_else->then_atom_seen) | |
d7d30bad | 882 | die(_("format: %%(%s) atom used without a %%(%s) atom"), "if", "then"); |
c58492d4 KN |
883 | |
884 | if (if_then_else->else_atom_seen) { | |
885 | /* | |
886 | * There is an %(else) atom: we need to drop one state from the | |
887 | * stack, either the %(else) branch if the condition is satisfied, or | |
888 | * the %(then) branch if it isn't. | |
889 | */ | |
890 | if (if_then_else->condition_satisfied) { | |
891 | strbuf_reset(&cur->output); | |
892 | pop_stack_element(&cur); | |
893 | } else { | |
894 | strbuf_swap(&cur->output, &prev->output); | |
895 | strbuf_reset(&cur->output); | |
896 | pop_stack_element(&cur); | |
897 | } | |
898 | } else if (!if_then_else->condition_satisfied) { | |
899 | /* | |
900 | * No %(else) atom: just drop the %(then) branch if the | |
901 | * condition is not satisfied. | |
902 | */ | |
903 | strbuf_reset(&cur->output); | |
904 | } | |
905 | ||
906 | *stack = cur; | |
907 | free(if_then_else); | |
908 | } | |
909 | ||
3fc8439c | 910 | static int if_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
5fe9e1ce | 911 | struct strbuf *err UNUSED) |
c58492d4 | 912 | { |
1472b5bf | 913 | struct ref_formatting_stack *new_stack; |
241b5d3e RS |
914 | struct if_then_else *if_then_else = xcalloc(1, |
915 | sizeof(struct if_then_else)); | |
c58492d4 | 916 | |
4f3e3b37 KN |
917 | if_then_else->str = atomv->atom->u.if_then_else.str; |
918 | if_then_else->cmp_status = atomv->atom->u.if_then_else.cmp_status; | |
919 | ||
c58492d4 | 920 | push_stack_element(&state->stack); |
1472b5bf BW |
921 | new_stack = state->stack; |
922 | new_stack->at_end = if_then_else_handler; | |
923 | new_stack->at_end_data = if_then_else; | |
3fc8439c | 924 | return 0; |
c58492d4 KN |
925 | } |
926 | ||
bd0708c7 | 927 | static int is_empty(struct strbuf *buf) |
c58492d4 | 928 | { |
bd0708c7 ZH |
929 | const char *cur = buf->buf; |
930 | const char *end = buf->buf + buf->len; | |
931 | ||
932 | while (cur != end && (isspace(*cur))) | |
933 | cur++; | |
934 | ||
935 | return cur == end; | |
936 | } | |
c58492d4 | 937 | |
5fe9e1ce JK |
938 | static int then_atom_handler(struct atom_value *atomv UNUSED, |
939 | struct ref_formatting_state *state, | |
3fc8439c | 940 | struct strbuf *err) |
c58492d4 KN |
941 | { |
942 | struct ref_formatting_stack *cur = state->stack; | |
943 | struct if_then_else *if_then_else = NULL; | |
bd0708c7 | 944 | size_t str_len = 0; |
c58492d4 KN |
945 | |
946 | if (cur->at_end == if_then_else_handler) | |
947 | if_then_else = (struct if_then_else *)cur->at_end_data; | |
948 | if (!if_then_else) | |
d7d30bad | 949 | return strbuf_addf_ret(err, -1, _("format: %%(%s) atom used without a %%(%s) atom"), "then", "if"); |
c58492d4 | 950 | if (if_then_else->then_atom_seen) |
3fc8439c | 951 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used more than once")); |
c58492d4 | 952 | if (if_then_else->else_atom_seen) |
3fc8439c | 953 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used after %%(else)")); |
c58492d4 | 954 | if_then_else->then_atom_seen = 1; |
bd0708c7 ZH |
955 | if (if_then_else->str) |
956 | str_len = strlen(if_then_else->str); | |
c58492d4 | 957 | /* |
4f3e3b37 KN |
958 | * If the 'equals' or 'notequals' attribute is used then |
959 | * perform the required comparison. If not, only non-empty | |
960 | * strings satisfy the 'if' condition. | |
c58492d4 | 961 | */ |
4f3e3b37 | 962 | if (if_then_else->cmp_status == COMPARE_EQUAL) { |
bd0708c7 ZH |
963 | if (str_len == cur->output.len && |
964 | !memcmp(if_then_else->str, cur->output.buf, cur->output.len)) | |
4f3e3b37 KN |
965 | if_then_else->condition_satisfied = 1; |
966 | } else if (if_then_else->cmp_status == COMPARE_UNEQUAL) { | |
bd0708c7 ZH |
967 | if (str_len != cur->output.len || |
968 | memcmp(if_then_else->str, cur->output.buf, cur->output.len)) | |
4f3e3b37 | 969 | if_then_else->condition_satisfied = 1; |
bd0708c7 | 970 | } else if (cur->output.len && !is_empty(&cur->output)) |
c58492d4 KN |
971 | if_then_else->condition_satisfied = 1; |
972 | strbuf_reset(&cur->output); | |
3fc8439c | 973 | return 0; |
c58492d4 KN |
974 | } |
975 | ||
5fe9e1ce JK |
976 | static int else_atom_handler(struct atom_value *atomv UNUSED, |
977 | struct ref_formatting_state *state, | |
3fc8439c | 978 | struct strbuf *err) |
c58492d4 KN |
979 | { |
980 | struct ref_formatting_stack *prev = state->stack; | |
981 | struct if_then_else *if_then_else = NULL; | |
982 | ||
983 | if (prev->at_end == if_then_else_handler) | |
984 | if_then_else = (struct if_then_else *)prev->at_end_data; | |
985 | if (!if_then_else) | |
d7d30bad | 986 | return strbuf_addf_ret(err, -1, _("format: %%(%s) atom used without a %%(%s) atom"), "else", "if"); |
c58492d4 | 987 | if (!if_then_else->then_atom_seen) |
d7d30bad | 988 | return strbuf_addf_ret(err, -1, _("format: %%(%s) atom used without a %%(%s) atom"), "else", "then"); |
c58492d4 | 989 | if (if_then_else->else_atom_seen) |
3fc8439c | 990 | return strbuf_addf_ret(err, -1, _("format: %%(else) atom used more than once")); |
c58492d4 KN |
991 | if_then_else->else_atom_seen = 1; |
992 | push_stack_element(&state->stack); | |
993 | state->stack->at_end_data = prev->at_end_data; | |
994 | state->stack->at_end = prev->at_end; | |
3fc8439c | 995 | return 0; |
ce592082 KN |
996 | } |
997 | ||
5fe9e1ce JK |
998 | static int end_atom_handler(struct atom_value *atomv UNUSED, |
999 | struct ref_formatting_state *state, | |
3fc8439c | 1000 | struct strbuf *err) |
ce592082 KN |
1001 | { |
1002 | struct ref_formatting_stack *current = state->stack; | |
1003 | struct strbuf s = STRBUF_INIT; | |
1004 | ||
1005 | if (!current->at_end) | |
3fc8439c | 1006 | return strbuf_addf_ret(err, -1, _("format: %%(end) atom used without corresponding atom")); |
c58492d4 KN |
1007 | current->at_end(&state->stack); |
1008 | ||
1009 | /* Stack may have been popped within at_end(), hence reset the current pointer */ | |
1010 | current = state->stack; | |
ce592082 KN |
1011 | |
1012 | /* | |
1013 | * Perform quote formatting when the stack element is that of | |
1014 | * a supporting atom. If nested then perform quote formatting | |
1015 | * only on the topmost supporting atom. | |
1016 | */ | |
c58492d4 | 1017 | if (!current->prev->prev) { |
bd0708c7 | 1018 | quote_formatting(&s, current->output.buf, current->output.len, state->quote_style); |
ce592082 KN |
1019 | strbuf_swap(¤t->output, &s); |
1020 | } | |
1021 | strbuf_release(&s); | |
1022 | pop_stack_element(&state->stack); | |
3fc8439c | 1023 | return 0; |
ce592082 KN |
1024 | } |
1025 | ||
c95b7585 KN |
1026 | /* |
1027 | * In a format string, find the next occurrence of %(atom). | |
1028 | */ | |
1029 | static const char *find_next(const char *cp) | |
1030 | { | |
1031 | while (*cp) { | |
1032 | if (*cp == '%') { | |
1033 | /* | |
1034 | * %( is the start of an atom; | |
1035 | * %% is a quoted per-cent. | |
1036 | */ | |
1037 | if (cp[1] == '(') | |
1038 | return cp; | |
1039 | else if (cp[1] == '%') | |
1040 | cp++; /* skip over two % */ | |
1041 | /* otherwise this is a singleton, literal % */ | |
1042 | } | |
1043 | cp++; | |
1044 | } | |
1045 | return NULL; | |
1046 | } | |
1047 | ||
b9dee075 ZH |
1048 | static int reject_atom(enum atom_type atom_type) |
1049 | { | |
1050 | return atom_type == ATOM_REST; | |
1051 | } | |
1052 | ||
c95b7585 KN |
1053 | /* |
1054 | * Make sure the format string is well formed, and parse out | |
1055 | * the used atoms. | |
1056 | */ | |
4a68e36d | 1057 | int verify_ref_format(struct ref_format *format) |
c95b7585 KN |
1058 | { |
1059 | const char *cp, *sp; | |
1060 | ||
bf285ae6 | 1061 | format->need_color_reset_at_eol = 0; |
4a68e36d | 1062 | for (cp = format->format; *cp && (sp = find_next(cp)); ) { |
e6ff7b3b | 1063 | struct strbuf err = STRBUF_INIT; |
c95b7585 KN |
1064 | const char *color, *ep = strchr(sp, ')'); |
1065 | int at; | |
1066 | ||
1067 | if (!ep) | |
1823c619 | 1068 | return error(_("malformed format string %s"), sp); |
c95b7585 | 1069 | /* sp points at "%(" and ep points at the closing ")" */ |
e6ff7b3b OT |
1070 | at = parse_ref_filter_atom(format, sp + 2, ep, &err); |
1071 | if (at < 0) | |
1072 | die("%s", err.buf); | |
b9dee075 ZH |
1073 | if (reject_atom(used_atom[at].atom_type)) |
1074 | die(_("this command reject atom %%(%.*s)"), (int)(ep - sp - 2), sp + 2); | |
7121c4d4 ZH |
1075 | |
1076 | if ((format->quote_style == QUOTE_PYTHON || | |
1077 | format->quote_style == QUOTE_SHELL || | |
1078 | format->quote_style == QUOTE_TCL) && | |
1079 | used_atom[at].atom_type == ATOM_RAW && | |
1080 | used_atom[at].u.raw_data.option == RAW_BARE) | |
f7337193 | 1081 | die(_("--format=%.*s cannot be used with " |
7121c4d4 | 1082 | "--python, --shell, --tcl"), (int)(ep - sp - 2), sp + 2); |
c95b7585 KN |
1083 | cp = ep + 1; |
1084 | ||
b072add7 | 1085 | if (skip_prefix(used_atom[at].name, "color:", &color)) |
bf285ae6 | 1086 | format->need_color_reset_at_eol = !!strcmp(color, "reset"); |
e6ff7b3b | 1087 | strbuf_release(&err); |
c95b7585 | 1088 | } |
11b087ad JK |
1089 | if (format->need_color_reset_at_eol && !want_color(format->use_color)) |
1090 | format->need_color_reset_at_eol = 0; | |
c95b7585 KN |
1091 | return 0; |
1092 | } | |
1093 | ||
87d3beb6 HV |
1094 | static const char *do_grab_oid(const char *field, const struct object_id *oid, |
1095 | struct used_atom *atom) | |
c95b7585 | 1096 | { |
87d3beb6 | 1097 | switch (atom->u.oid.option) { |
5101100d HV |
1098 | case O_FULL: |
1099 | return oid_to_hex(oid); | |
1100 | case O_LENGTH: | |
d850b7a5 ÆAB |
1101 | return repo_find_unique_abbrev(the_repository, oid, |
1102 | atom->u.oid.length); | |
5101100d | 1103 | case O_SHORT: |
d850b7a5 ÆAB |
1104 | return repo_find_unique_abbrev(the_repository, oid, |
1105 | DEFAULT_ABBREV); | |
5101100d HV |
1106 | default: |
1107 | BUG("unknown %%(%s) option", field); | |
1108 | } | |
1109 | } | |
1110 | ||
87d3beb6 HV |
1111 | static int grab_oid(const char *name, const char *field, const struct object_id *oid, |
1112 | struct atom_value *v, struct used_atom *atom) | |
c95b7585 | 1113 | { |
5101100d | 1114 | if (starts_with(name, field)) { |
87d3beb6 | 1115 | v->s = xstrdup(do_grab_oid(field, oid, atom)); |
5101100d | 1116 | return 1; |
c95b7585 KN |
1117 | } |
1118 | return 0; | |
1119 | } | |
1120 | ||
1121 | /* See grab_values */ | |
aa46a0da | 1122 | static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi) |
c95b7585 KN |
1123 | { |
1124 | int i; | |
1125 | ||
1126 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1127 | const char *name = used_atom[i].name; |
1197f1a4 | 1128 | enum atom_type atom_type = used_atom[i].atom_type; |
c95b7585 KN |
1129 | struct atom_value *v = &val[i]; |
1130 | if (!!deref != (*name == '*')) | |
1131 | continue; | |
1132 | if (deref) | |
1133 | name++; | |
1197f1a4 | 1134 | if (atom_type == ATOM_OBJECTTYPE) |
f0062d3b | 1135 | v->s = xstrdup(type_name(oi->type)); |
1197f1a4 | 1136 | else if (atom_type == ATOM_OBJECTSIZE) { |
0caf20f2 ZH |
1137 | if (used_atom[i].u.objectsize.option == O_SIZE_DISK) { |
1138 | v->value = oi->disk_size; | |
1139 | v->s = xstrfmt("%"PRIuMAX, (uintmax_t)oi->disk_size); | |
1140 | } else if (used_atom[i].u.objectsize.option == O_SIZE) { | |
1141 | v->value = oi->size; | |
1142 | v->s = xstrfmt("%"PRIuMAX , (uintmax_t)oi->size); | |
1143 | } | |
1197f1a4 | 1144 | } else if (atom_type == ATOM_DELTABASE) |
33311fa1 | 1145 | v->s = xstrdup(oid_to_hex(&oi->delta_base_oid)); |
1197f1a4 | 1146 | else if (atom_type == ATOM_OBJECTNAME && deref) |
87d3beb6 | 1147 | grab_oid(name, "objectname", &oi->oid, v, &used_atom[i]); |
c95b7585 KN |
1148 | } |
1149 | } | |
1150 | ||
1151 | /* See grab_values */ | |
e0329199 | 1152 | static void grab_tag_values(struct atom_value *val, int deref, struct object *obj) |
c95b7585 KN |
1153 | { |
1154 | int i; | |
1155 | struct tag *tag = (struct tag *) obj; | |
1156 | ||
1157 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1158 | const char *name = used_atom[i].name; |
1197f1a4 | 1159 | enum atom_type atom_type = used_atom[i].atom_type; |
c95b7585 KN |
1160 | struct atom_value *v = &val[i]; |
1161 | if (!!deref != (*name == '*')) | |
1162 | continue; | |
1163 | if (deref) | |
1164 | name++; | |
1197f1a4 | 1165 | if (atom_type == ATOM_TAG) |
f0062d3b | 1166 | v->s = xstrdup(tag->tag); |
1197f1a4 | 1167 | else if (atom_type == ATOM_TYPE && tag->tagged) |
f0062d3b | 1168 | v->s = xstrdup(type_name(tag->tagged->type)); |
1197f1a4 | 1169 | else if (atom_type == ATOM_OBJECT && tag->tagged) |
f2fd0760 | 1170 | v->s = xstrdup(oid_to_hex(&tag->tagged->oid)); |
c95b7585 KN |
1171 | } |
1172 | } | |
1173 | ||
1174 | /* See grab_values */ | |
e0329199 | 1175 | static void grab_commit_values(struct atom_value *val, int deref, struct object *obj) |
c95b7585 KN |
1176 | { |
1177 | int i; | |
1178 | struct commit *commit = (struct commit *) obj; | |
1179 | ||
1180 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1181 | const char *name = used_atom[i].name; |
1197f1a4 | 1182 | enum atom_type atom_type = used_atom[i].atom_type; |
c95b7585 KN |
1183 | struct atom_value *v = &val[i]; |
1184 | if (!!deref != (*name == '*')) | |
1185 | continue; | |
1186 | if (deref) | |
1187 | name++; | |
1197f1a4 ZH |
1188 | if (atom_type == ATOM_TREE && |
1189 | grab_oid(name, "tree", get_commit_tree_oid(commit), v, &used_atom[i])) | |
837adb10 | 1190 | continue; |
1197f1a4 | 1191 | if (atom_type == ATOM_NUMPARENT) { |
e467dc14 JS |
1192 | v->value = commit_list_count(commit->parents); |
1193 | v->s = xstrfmt("%lu", (unsigned long)v->value); | |
c95b7585 | 1194 | } |
1197f1a4 | 1195 | else if (atom_type == ATOM_PARENT) { |
c95b7585 | 1196 | struct commit_list *parents; |
a5e03bf5 JK |
1197 | struct strbuf s = STRBUF_INIT; |
1198 | for (parents = commit->parents; parents; parents = parents->next) { | |
26bc0aaf | 1199 | struct object_id *oid = &parents->item->object.oid; |
a5e03bf5 JK |
1200 | if (parents != commit->parents) |
1201 | strbuf_addch(&s, ' '); | |
26bc0aaf | 1202 | strbuf_addstr(&s, do_grab_oid("parent", oid, &used_atom[i])); |
c95b7585 | 1203 | } |
a5e03bf5 | 1204 | v->s = strbuf_detach(&s, NULL); |
c95b7585 KN |
1205 | } |
1206 | } | |
1207 | } | |
1208 | ||
5c326d12 | 1209 | static const char *find_wholine(const char *who, int wholen, const char *buf) |
c95b7585 KN |
1210 | { |
1211 | const char *eol; | |
1212 | while (*buf) { | |
1213 | if (!strncmp(buf, who, wholen) && | |
1214 | buf[wholen] == ' ') | |
1215 | return buf + wholen + 1; | |
1216 | eol = strchr(buf, '\n'); | |
1217 | if (!eol) | |
1218 | return ""; | |
1219 | eol++; | |
1220 | if (*eol == '\n') | |
1221 | return ""; /* end of header */ | |
1222 | buf = eol; | |
1223 | } | |
1224 | return ""; | |
1225 | } | |
1226 | ||
1227 | static const char *copy_line(const char *buf) | |
1228 | { | |
1229 | const char *eol = strchrnul(buf, '\n'); | |
1230 | return xmemdupz(buf, eol - buf); | |
1231 | } | |
1232 | ||
1233 | static const char *copy_name(const char *buf) | |
1234 | { | |
1235 | const char *cp; | |
1236 | for (cp = buf; *cp && *cp != '\n'; cp++) { | |
20869d1a | 1237 | if (starts_with(cp, " <")) |
c95b7585 KN |
1238 | return xmemdupz(buf, cp - buf); |
1239 | } | |
8b3f33ef | 1240 | return xstrdup(""); |
c95b7585 KN |
1241 | } |
1242 | ||
b82445dc | 1243 | static const char *copy_email(const char *buf, struct used_atom *atom) |
c95b7585 KN |
1244 | { |
1245 | const char *email = strchr(buf, '<'); | |
1246 | const char *eoemail; | |
1247 | if (!email) | |
8b3f33ef | 1248 | return xstrdup(""); |
b82445dc HV |
1249 | switch (atom->u.email_option.option) { |
1250 | case EO_RAW: | |
1251 | eoemail = strchr(email, '>'); | |
1252 | if (eoemail) | |
1253 | eoemail++; | |
1254 | break; | |
1255 | case EO_TRIM: | |
1256 | email++; | |
1257 | eoemail = strchr(email, '>'); | |
1258 | break; | |
1259 | case EO_LOCALPART: | |
1260 | email++; | |
1261 | eoemail = strchr(email, '@'); | |
1262 | if (!eoemail) | |
1263 | eoemail = strchr(email, '>'); | |
1264 | break; | |
1265 | default: | |
1266 | BUG("unknown email option"); | |
1267 | } | |
1268 | ||
c95b7585 | 1269 | if (!eoemail) |
8b3f33ef | 1270 | return xstrdup(""); |
b82445dc | 1271 | return xmemdupz(email, eoemail - email); |
c95b7585 KN |
1272 | } |
1273 | ||
1274 | static char *copy_subject(const char *buf, unsigned long len) | |
1275 | { | |
9f75ce3d | 1276 | struct strbuf sb = STRBUF_INIT; |
c95b7585 KN |
1277 | int i; |
1278 | ||
9f75ce3d PB |
1279 | for (i = 0; i < len; i++) { |
1280 | if (buf[i] == '\r' && i + 1 < len && buf[i + 1] == '\n') | |
1281 | continue; /* ignore CR in CRLF */ | |
c95b7585 | 1282 | |
9f75ce3d PB |
1283 | if (buf[i] == '\n') |
1284 | strbuf_addch(&sb, ' '); | |
1285 | else | |
1286 | strbuf_addch(&sb, buf[i]); | |
1287 | } | |
1288 | return strbuf_detach(&sb, NULL); | |
c95b7585 KN |
1289 | } |
1290 | ||
1291 | static void grab_date(const char *buf, struct atom_value *v, const char *atomname) | |
1292 | { | |
1293 | const char *eoemail = strstr(buf, "> "); | |
1294 | char *zone; | |
dddbad72 | 1295 | timestamp_t timestamp; |
c95b7585 | 1296 | long tz; |
f1842898 | 1297 | struct date_mode date_mode = DATE_MODE_INIT; |
c95b7585 KN |
1298 | const char *formatp; |
1299 | ||
1300 | /* | |
1301 | * We got here because atomname ends in "date" or "date<something>"; | |
1302 | * it's not possible that <something> is not ":<format>" because | |
1303 | * parse_ref_filter_atom() wouldn't have allowed it, so we can assume that no | |
1304 | * ":" means no format is specified, and use the default. | |
1305 | */ | |
1306 | formatp = strchr(atomname, ':'); | |
afe8a907 | 1307 | if (formatp) { |
c95b7585 | 1308 | formatp++; |
d939af12 | 1309 | parse_date_format(formatp, &date_mode); |
c95b7585 KN |
1310 | } |
1311 | ||
1312 | if (!eoemail) | |
1313 | goto bad; | |
1aeb7e75 | 1314 | timestamp = parse_timestamp(eoemail + 2, &zone, 10); |
dddbad72 | 1315 | if (timestamp == TIME_MAX) |
c95b7585 KN |
1316 | goto bad; |
1317 | tz = strtol(zone, NULL, 10); | |
1318 | if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE) | |
1319 | goto bad; | |
d939af12 | 1320 | v->s = xstrdup(show_date(timestamp, tz, &date_mode)); |
e467dc14 | 1321 | v->value = timestamp; |
974c919d | 1322 | date_mode_release(&date_mode); |
c95b7585 KN |
1323 | return; |
1324 | bad: | |
f0062d3b | 1325 | v->s = xstrdup(""); |
e467dc14 | 1326 | v->value = 0; |
c95b7585 KN |
1327 | } |
1328 | ||
1329 | /* See grab_values */ | |
5c326d12 | 1330 | static void grab_person(const char *who, struct atom_value *val, int deref, void *buf) |
c95b7585 KN |
1331 | { |
1332 | int i; | |
1333 | int wholen = strlen(who); | |
1334 | const char *wholine = NULL; | |
1335 | ||
1336 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1337 | const char *name = used_atom[i].name; |
c95b7585 KN |
1338 | struct atom_value *v = &val[i]; |
1339 | if (!!deref != (*name == '*')) | |
1340 | continue; | |
1341 | if (deref) | |
1342 | name++; | |
1343 | if (strncmp(who, name, wholen)) | |
1344 | continue; | |
1345 | if (name[wholen] != 0 && | |
1346 | strcmp(name + wholen, "name") && | |
b82445dc | 1347 | !starts_with(name + wholen, "email") && |
c95b7585 KN |
1348 | !starts_with(name + wholen, "date")) |
1349 | continue; | |
1350 | if (!wholine) | |
5c326d12 | 1351 | wholine = find_wholine(who, wholen, buf); |
c95b7585 KN |
1352 | if (!wholine) |
1353 | return; /* no point looking for it */ | |
1354 | if (name[wholen] == 0) | |
1355 | v->s = copy_line(wholine); | |
1356 | else if (!strcmp(name + wholen, "name")) | |
1357 | v->s = copy_name(wholine); | |
b82445dc HV |
1358 | else if (starts_with(name + wholen, "email")) |
1359 | v->s = copy_email(wholine, &used_atom[i]); | |
c95b7585 KN |
1360 | else if (starts_with(name + wholen, "date")) |
1361 | grab_date(wholine, v, name); | |
1362 | } | |
1363 | ||
1364 | /* | |
1365 | * For a tag or a commit object, if "creator" or "creatordate" is | |
1366 | * requested, do something special. | |
1367 | */ | |
1368 | if (strcmp(who, "tagger") && strcmp(who, "committer")) | |
1369 | return; /* "author" for commit object is not wanted */ | |
1370 | if (!wholine) | |
5c326d12 | 1371 | wholine = find_wholine(who, wholen, buf); |
c95b7585 KN |
1372 | if (!wholine) |
1373 | return; | |
1374 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1375 | const char *name = used_atom[i].name; |
1197f1a4 | 1376 | enum atom_type atom_type = used_atom[i].atom_type; |
c95b7585 KN |
1377 | struct atom_value *v = &val[i]; |
1378 | if (!!deref != (*name == '*')) | |
1379 | continue; | |
1380 | if (deref) | |
1381 | name++; | |
1382 | ||
1197f1a4 | 1383 | if (atom_type == ATOM_CREATORDATE) |
c95b7585 | 1384 | grab_date(wholine, v, name); |
1197f1a4 | 1385 | else if (atom_type == ATOM_CREATOR) |
c95b7585 KN |
1386 | v->s = copy_line(wholine); |
1387 | } | |
1388 | } | |
1389 | ||
5c326d12 | 1390 | static void find_subpos(const char *buf, |
83dff3eb | 1391 | const char **sub, size_t *sublen, |
1392 | const char **body, size_t *bodylen, | |
1393 | size_t *nonsiglen, | |
1394 | const char **sig, size_t *siglen) | |
c95b7585 | 1395 | { |
482c1191 | 1396 | struct strbuf payload = STRBUF_INIT; |
1397 | struct strbuf signature = STRBUF_INIT; | |
c95b7585 | 1398 | const char *eol; |
482c1191 | 1399 | const char *end = buf + strlen(buf); |
1400 | const char *sigstart; | |
1401 | ||
88bce0e2 | 1402 | /* parse signature first; we might not even have a subject line */ |
1403 | parse_signature(buf, end - buf, &payload, &signature); | |
b6046abc | 1404 | strbuf_release(&payload); |
482c1191 | 1405 | |
c95b7585 KN |
1406 | /* skip past header until we hit empty line */ |
1407 | while (*buf && *buf != '\n') { | |
1408 | eol = strchrnul(buf, '\n'); | |
1409 | if (*eol) | |
1410 | eol++; | |
1411 | buf = eol; | |
1412 | } | |
1413 | /* skip any empty lines */ | |
1414 | while (*buf == '\n') | |
1415 | buf++; | |
482c1191 | 1416 | *sig = strbuf_detach(&signature, siglen); |
1417 | sigstart = buf + parse_signed_buffer(buf, strlen(buf)); | |
c95b7585 KN |
1418 | |
1419 | /* subject is first non-empty line */ | |
1420 | *sub = buf; | |
9f75ce3d | 1421 | /* subject goes to first empty line before signature begins */ |
8e1c5fcf JK |
1422 | if ((eol = strstr(*sub, "\n\n")) || |
1423 | (eol = strstr(*sub, "\r\n\r\n"))) { | |
482c1191 | 1424 | eol = eol < sigstart ? eol : sigstart; |
8e1c5fcf | 1425 | } else { |
9f75ce3d | 1426 | /* treat whole message as subject */ |
b01e1c7e | 1427 | eol = sigstart; |
c95b7585 | 1428 | } |
9f75ce3d | 1429 | buf = eol; |
c95b7585 KN |
1430 | *sublen = buf - *sub; |
1431 | /* drop trailing newline, if present */ | |
9f75ce3d PB |
1432 | while (*sublen && ((*sub)[*sublen - 1] == '\n' || |
1433 | (*sub)[*sublen - 1] == '\r')) | |
c95b7585 KN |
1434 | *sublen -= 1; |
1435 | ||
1436 | /* skip any empty lines */ | |
9f75ce3d | 1437 | while (*buf == '\n' || *buf == '\r') |
c95b7585 KN |
1438 | buf++; |
1439 | *body = buf; | |
1440 | *bodylen = strlen(buf); | |
482c1191 | 1441 | *nonsiglen = sigstart - buf; |
c95b7585 KN |
1442 | } |
1443 | ||
1bb38e5a KN |
1444 | /* |
1445 | * If 'lines' is greater than 0, append that many lines from the given | |
1446 | * 'buf' of length 'size' to the given strbuf. | |
1447 | */ | |
1448 | static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines) | |
1449 | { | |
1450 | int i; | |
1451 | const char *sp, *eol; | |
1452 | size_t len; | |
1453 | ||
1454 | sp = buf; | |
1455 | ||
1456 | for (i = 0; i < lines && sp < buf + size; i++) { | |
1457 | if (i) | |
1458 | strbuf_addstr(out, "\n "); | |
1459 | eol = memchr(sp, '\n', size - (sp - buf)); | |
1460 | len = eol ? eol - sp : size - (sp - buf); | |
1461 | strbuf_add(out, sp, len); | |
1462 | if (!eol) | |
1463 | break; | |
1464 | sp = eol + 1; | |
1465 | } | |
1466 | } | |
1467 | ||
c95b7585 | 1468 | /* See grab_values */ |
311d0b8e | 1469 | static void grab_sub_body_contents(struct atom_value *val, int deref, struct expand_data *data) |
c95b7585 KN |
1470 | { |
1471 | int i; | |
1472 | const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; | |
83dff3eb | 1473 | size_t sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; |
311d0b8e | 1474 | void *buf = data->content; |
c95b7585 KN |
1475 | |
1476 | for (i = 0; i < used_atom_cnt; i++) { | |
452db397 KN |
1477 | struct used_atom *atom = &used_atom[i]; |
1478 | const char *name = atom->name; | |
c95b7585 | 1479 | struct atom_value *v = &val[i]; |
bd0708c7 | 1480 | enum atom_type atom_type = atom->atom_type; |
482c1191 | 1481 | |
c95b7585 KN |
1482 | if (!!deref != (*name == '*')) |
1483 | continue; | |
1484 | if (deref) | |
1485 | name++; | |
311d0b8e | 1486 | |
bd0708c7 ZH |
1487 | if (atom_type == ATOM_RAW) { |
1488 | unsigned long buf_size = data->size; | |
1489 | ||
1490 | if (atom->u.raw_data.option == RAW_BARE) { | |
1491 | v->s = xmemdupz(buf, buf_size); | |
1492 | v->s_size = buf_size; | |
1493 | } else if (atom->u.raw_data.option == RAW_LENGTH) { | |
1494 | v->s = xstrfmt("%"PRIuMAX, (uintmax_t)buf_size); | |
1495 | } | |
1496 | continue; | |
1497 | } | |
1498 | ||
311d0b8e ZH |
1499 | if ((data->type != OBJ_TAG && |
1500 | data->type != OBJ_COMMIT) || | |
1501 | (strcmp(name, "body") && | |
1502 | !starts_with(name, "subject") && | |
1503 | !starts_with(name, "trailers") && | |
1504 | !starts_with(name, "contents"))) | |
c95b7585 KN |
1505 | continue; |
1506 | if (!subpos) | |
5c326d12 | 1507 | find_subpos(buf, |
c95b7585 KN |
1508 | &subpos, &sublen, |
1509 | &bodypos, &bodylen, &nonsiglen, | |
1510 | &sigpos, &siglen); | |
1511 | ||
452db397 | 1512 | if (atom->u.contents.option == C_SUB) |
c95b7585 | 1513 | v->s = copy_subject(subpos, sublen); |
905f0a4e HV |
1514 | else if (atom->u.contents.option == C_SUB_SANITIZE) { |
1515 | struct strbuf sb = STRBUF_INIT; | |
1516 | format_sanitized_subject(&sb, subpos, sublen); | |
1517 | v->s = strbuf_detach(&sb, NULL); | |
1518 | } else if (atom->u.contents.option == C_BODY_DEP) | |
c95b7585 | 1519 | v->s = xmemdupz(bodypos, bodylen); |
b6839fda CC |
1520 | else if (atom->u.contents.option == C_LENGTH) |
1521 | v->s = xstrfmt("%"PRIuMAX, (uintmax_t)strlen(subpos)); | |
452db397 | 1522 | else if (atom->u.contents.option == C_BODY) |
c95b7585 | 1523 | v->s = xmemdupz(bodypos, nonsiglen); |
452db397 | 1524 | else if (atom->u.contents.option == C_SIG) |
c95b7585 | 1525 | v->s = xmemdupz(sigpos, siglen); |
452db397 | 1526 | else if (atom->u.contents.option == C_LINES) { |
1bb38e5a | 1527 | struct strbuf s = STRBUF_INIT; |
88bce0e2 | 1528 | const char *contents_end = bodypos + nonsiglen; |
1bb38e5a | 1529 | |
1bb38e5a | 1530 | /* Size is the length of the message after removing the signature */ |
452db397 | 1531 | append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines); |
1bb38e5a | 1532 | v->s = strbuf_detach(&s, NULL); |
b1d31c89 | 1533 | } else if (atom->u.contents.option == C_TRAILERS) { |
67a20a00 | 1534 | struct strbuf s = STRBUF_INIT; |
b1d31c89 | 1535 | |
67a20a00 TB |
1536 | /* Format the trailer info according to the trailer_opts given */ |
1537 | format_trailers_from_commit(&s, subpos, &atom->u.contents.trailer_opts); | |
1538 | ||
1539 | v->s = strbuf_detach(&s, NULL); | |
452db397 KN |
1540 | } else if (atom->u.contents.option == C_BARE) |
1541 | v->s = xstrdup(subpos); | |
482c1191 | 1542 | |
c95b7585 | 1543 | } |
482c1191 | 1544 | free((void *)sigpos); |
c95b7585 KN |
1545 | } |
1546 | ||
1547 | /* | |
1548 | * We want to have empty print-string for field requests | |
1549 | * that do not apply (e.g. "authordate" for a tag object) | |
1550 | */ | |
1551 | static void fill_missing_values(struct atom_value *val) | |
1552 | { | |
1553 | int i; | |
1554 | for (i = 0; i < used_atom_cnt; i++) { | |
1555 | struct atom_value *v = &val[i]; | |
afe8a907 | 1556 | if (!v->s) |
f0062d3b | 1557 | v->s = xstrdup(""); |
c95b7585 KN |
1558 | } |
1559 | } | |
1560 | ||
1561 | /* | |
1562 | * val is a list of atom_value to hold returned values. Extract | |
1563 | * the values for atoms in used_atom array out of (obj, buf, sz). | |
1564 | * when deref is false, (obj, buf, sz) is the object that is | |
1565 | * pointed at by the ref itself; otherwise it is the object the | |
1566 | * ref (which is a tag) refers to. | |
1567 | */ | |
311d0b8e | 1568 | static void grab_values(struct atom_value *val, int deref, struct object *obj, struct expand_data *data) |
c95b7585 | 1569 | { |
311d0b8e ZH |
1570 | void *buf = data->content; |
1571 | ||
c95b7585 KN |
1572 | switch (obj->type) { |
1573 | case OBJ_TAG: | |
e0329199 | 1574 | grab_tag_values(val, deref, obj); |
311d0b8e | 1575 | grab_sub_body_contents(val, deref, data); |
5c326d12 | 1576 | grab_person("tagger", val, deref, buf); |
c95b7585 KN |
1577 | break; |
1578 | case OBJ_COMMIT: | |
e0329199 | 1579 | grab_commit_values(val, deref, obj); |
311d0b8e | 1580 | grab_sub_body_contents(val, deref, data); |
5c326d12 JK |
1581 | grab_person("author", val, deref, buf); |
1582 | grab_person("committer", val, deref, buf); | |
c95b7585 KN |
1583 | break; |
1584 | case OBJ_TREE: | |
1585 | /* grab_tree_values(val, deref, obj, buf, sz); */ | |
bd0708c7 | 1586 | grab_sub_body_contents(val, deref, data); |
c95b7585 KN |
1587 | break; |
1588 | case OBJ_BLOB: | |
1589 | /* grab_blob_values(val, deref, obj, buf, sz); */ | |
bd0708c7 | 1590 | grab_sub_body_contents(val, deref, data); |
c95b7585 KN |
1591 | break; |
1592 | default: | |
1593 | die("Eh? Object of type %d?", obj->type); | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | static inline char *copy_advance(char *dst, const char *src) | |
1598 | { | |
1599 | while (*src) | |
1600 | *dst++ = *src++; | |
1601 | return dst; | |
1602 | } | |
1603 | ||
1a0ca5e3 | 1604 | static const char *lstrip_ref_components(const char *refname, int len) |
0571979b | 1605 | { |
a7984101 | 1606 | long remaining = len; |
f0062d3b OT |
1607 | const char *start = xstrdup(refname); |
1608 | const char *to_free = start; | |
0571979b | 1609 | |
1a0ca5e3 KN |
1610 | if (len < 0) { |
1611 | int i; | |
1612 | const char *p = refname; | |
1613 | ||
1614 | /* Find total no of '/' separated path-components */ | |
1615 | for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) | |
1616 | ; | |
1617 | /* | |
1618 | * The number of components we need to strip is now | |
1619 | * the total minus the components to be left (Plus one | |
1620 | * because we count the number of '/', but the number | |
1621 | * of components is one more than the no of '/'). | |
1622 | */ | |
1623 | remaining = i + len + 1; | |
1624 | } | |
0571979b | 1625 | |
1a0ca5e3 | 1626 | while (remaining > 0) { |
0571979b JK |
1627 | switch (*start++) { |
1628 | case '\0': | |
f0062d3b OT |
1629 | free((char *)to_free); |
1630 | return xstrdup(""); | |
0571979b JK |
1631 | case '/': |
1632 | remaining--; | |
1633 | break; | |
1634 | } | |
1635 | } | |
1a0ca5e3 | 1636 | |
f0062d3b OT |
1637 | start = xstrdup(start); |
1638 | free((char *)to_free); | |
0571979b JK |
1639 | return start; |
1640 | } | |
1641 | ||
1a34728e KN |
1642 | static const char *rstrip_ref_components(const char *refname, int len) |
1643 | { | |
1644 | long remaining = len; | |
f0062d3b OT |
1645 | const char *start = xstrdup(refname); |
1646 | const char *to_free = start; | |
1a34728e KN |
1647 | |
1648 | if (len < 0) { | |
1649 | int i; | |
1650 | const char *p = refname; | |
1651 | ||
1652 | /* Find total no of '/' separated path-components */ | |
1653 | for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) | |
1654 | ; | |
1655 | /* | |
1656 | * The number of components we need to strip is now | |
1657 | * the total minus the components to be left (Plus one | |
1658 | * because we count the number of '/', but the number | |
1659 | * of components is one more than the no of '/'). | |
1660 | */ | |
1661 | remaining = i + len + 1; | |
1662 | } | |
1663 | ||
1664 | while (remaining-- > 0) { | |
1665 | char *p = strrchr(start, '/'); | |
afe8a907 | 1666 | if (!p) { |
f0062d3b OT |
1667 | free((char *)to_free); |
1668 | return xstrdup(""); | |
1669 | } else | |
1a34728e KN |
1670 | p[0] = '\0'; |
1671 | } | |
1672 | return start; | |
1673 | } | |
1674 | ||
a7984101 KN |
1675 | static const char *show_ref(struct refname_atom *atom, const char *refname) |
1676 | { | |
1677 | if (atom->option == R_SHORT) | |
1678 | return shorten_unambiguous_ref(refname, warn_ambiguous_refs); | |
17938f17 KN |
1679 | else if (atom->option == R_LSTRIP) |
1680 | return lstrip_ref_components(refname, atom->lstrip); | |
1a34728e KN |
1681 | else if (atom->option == R_RSTRIP) |
1682 | return rstrip_ref_components(refname, atom->rstrip); | |
a7984101 | 1683 | else |
f0062d3b | 1684 | return xstrdup(refname); |
a7984101 KN |
1685 | } |
1686 | ||
5339bdad KN |
1687 | static void fill_remote_ref_details(struct used_atom *atom, const char *refname, |
1688 | struct branch *branch, const char **s) | |
1689 | { | |
1690 | int num_ours, num_theirs; | |
3ba308cb KN |
1691 | if (atom->u.remote_ref.option == RR_REF) |
1692 | *s = show_ref(&atom->u.remote_ref.refname, refname); | |
7743fcca | 1693 | else if (atom->u.remote_ref.option == RR_TRACK) { |
d7d1b496 | 1694 | if (stat_tracking_info(branch, &num_ours, &num_theirs, |
c646d093 DR |
1695 | NULL, atom->u.remote_ref.push, |
1696 | AHEAD_BEHIND_FULL) < 0) { | |
6eac70fa | 1697 | *s = xstrdup(msgs.gone); |
7743fcca | 1698 | } else if (!num_ours && !num_theirs) |
f0062d3b | 1699 | *s = xstrdup(""); |
5339bdad | 1700 | else if (!num_ours) |
6eac70fa | 1701 | *s = xstrfmt(msgs.behind, num_theirs); |
5339bdad | 1702 | else if (!num_theirs) |
6eac70fa | 1703 | *s = xstrfmt(msgs.ahead, num_ours); |
5339bdad | 1704 | else |
6eac70fa | 1705 | *s = xstrfmt(msgs.ahead_behind, |
5339bdad | 1706 | num_ours, num_theirs); |
7743fcca KN |
1707 | if (!atom->u.remote_ref.nobracket && *s[0]) { |
1708 | const char *to_free = *s; | |
1709 | *s = xstrfmt("[%s]", *s); | |
1710 | free((void *)to_free); | |
1711 | } | |
1712 | } else if (atom->u.remote_ref.option == RR_TRACKSHORT) { | |
d7d1b496 | 1713 | if (stat_tracking_info(branch, &num_ours, &num_theirs, |
c646d093 DR |
1714 | NULL, atom->u.remote_ref.push, |
1715 | AHEAD_BEHIND_FULL) < 0) { | |
f0062d3b | 1716 | *s = xstrdup(""); |
5339bdad | 1717 | return; |
f0062d3b | 1718 | } |
5339bdad | 1719 | if (!num_ours && !num_theirs) |
f0062d3b | 1720 | *s = xstrdup("="); |
5339bdad | 1721 | else if (!num_ours) |
f0062d3b | 1722 | *s = xstrdup("<"); |
5339bdad | 1723 | else if (!num_theirs) |
f0062d3b | 1724 | *s = xstrdup(">"); |
5339bdad | 1725 | else |
f0062d3b | 1726 | *s = xstrdup("<>"); |
cc72385f JS |
1727 | } else if (atom->u.remote_ref.option == RR_REMOTE_NAME) { |
1728 | int explicit; | |
1729 | const char *remote = atom->u.remote_ref.push ? | |
1730 | pushremote_for_branch(branch, &explicit) : | |
1731 | remote_for_branch(branch, &explicit); | |
f0062d3b | 1732 | *s = xstrdup(explicit ? remote : ""); |
9700fae5 | 1733 | } else if (atom->u.remote_ref.option == RR_REMOTE_REF) { |
9700fae5 W |
1734 | const char *merge; |
1735 | ||
af8ccd8a JK |
1736 | merge = remote_ref_for_branch(branch, atom->u.remote_ref.push); |
1737 | *s = xstrdup(merge ? merge : ""); | |
3ba308cb | 1738 | } else |
033abf97 | 1739 | BUG("unhandled RR_* enum"); |
5339bdad KN |
1740 | } |
1741 | ||
d4919bb2 KN |
1742 | char *get_head_description(void) |
1743 | { | |
1744 | struct strbuf desc = STRBUF_INIT; | |
1745 | struct wt_status_state state; | |
1746 | memset(&state, 0, sizeof(state)); | |
78845457 | 1747 | wt_status_get_state(the_repository, &state, 1); |
d4919bb2 | 1748 | if (state.rebase_in_progress || |
a236f900 KS |
1749 | state.rebase_interactive_in_progress) { |
1750 | if (state.branch) | |
2708ce62 | 1751 | strbuf_addf(&desc, _("(no branch, rebasing %s)"), |
a236f900 KS |
1752 | state.branch); |
1753 | else | |
2708ce62 | 1754 | strbuf_addf(&desc, _("(no branch, rebasing detached HEAD %s)"), |
a236f900 KS |
1755 | state.detached_from); |
1756 | } else if (state.bisect_in_progress) | |
2708ce62 | 1757 | strbuf_addf(&desc, _("(no branch, bisect started on %s)"), |
d4919bb2 KN |
1758 | state.branch); |
1759 | else if (state.detached_from) { | |
d4919bb2 | 1760 | if (state.detached_at) |
2708ce62 ÆAB |
1761 | strbuf_addf(&desc, _("(HEAD detached at %s)"), |
1762 | state.detached_from); | |
d4919bb2 | 1763 | else |
2708ce62 ÆAB |
1764 | strbuf_addf(&desc, _("(HEAD detached from %s)"), |
1765 | state.detached_from); | |
1766 | } else | |
1767 | strbuf_addstr(&desc, _("(no branch)")); | |
28438e84 | 1768 | |
abcac2e1 RJ |
1769 | wt_status_state_free_buffers(&state); |
1770 | ||
d4919bb2 KN |
1771 | return strbuf_detach(&desc, NULL); |
1772 | } | |
1773 | ||
a7984101 KN |
1774 | static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref) |
1775 | { | |
1776 | if (!ref->symref) | |
f0062d3b | 1777 | return xstrdup(""); |
a7984101 KN |
1778 | else |
1779 | return show_ref(&atom->u.refname, ref->symref); | |
1780 | } | |
1781 | ||
1782 | static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) | |
1783 | { | |
1784 | if (ref->kind & FILTER_REFS_DETACHED_HEAD) | |
1785 | return get_head_description(); | |
1786 | return show_ref(&atom->u.refname, ref->refname); | |
5339bdad KN |
1787 | } |
1788 | ||
aa46a0da OT |
1789 | static int get_object(struct ref_array_item *ref, int deref, struct object **obj, |
1790 | struct expand_data *oi, struct strbuf *err) | |
2bbc6e8a | 1791 | { |
04f6ee1a OT |
1792 | /* parse_object_buffer() will set eaten to 0 if free() will be needed */ |
1793 | int eaten = 1; | |
aa46a0da OT |
1794 | if (oi->info.contentp) { |
1795 | /* We need to know that to use parse_object_buffer properly */ | |
1796 | oi->info.sizep = &oi->size; | |
1797 | oi->info.typep = &oi->type; | |
1798 | } | |
1799 | if (oid_object_info_extended(the_repository, &oi->oid, &oi->info, | |
1800 | OBJECT_INFO_LOOKUP_REPLACE)) | |
1801 | return strbuf_addf_ret(err, -1, _("missing object %s for %s"), | |
1802 | oid_to_hex(&oi->oid), ref->refname); | |
5305a553 OT |
1803 | if (oi->info.disk_sizep && oi->disk_size < 0) |
1804 | BUG("Object size is less than zero."); | |
aa46a0da OT |
1805 | |
1806 | if (oi->info.contentp) { | |
c83149ac | 1807 | *obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten); |
c6854508 | 1808 | if (!*obj) { |
aa46a0da OT |
1809 | if (!eaten) |
1810 | free(oi->content); | |
1811 | return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"), | |
1812 | oid_to_hex(&oi->oid), ref->refname); | |
1813 | } | |
311d0b8e | 1814 | grab_values(ref->value, deref, *obj, oi); |
e2255179 | 1815 | } |
aa46a0da OT |
1816 | |
1817 | grab_common_values(ref->value, deref, oi); | |
2bbc6e8a | 1818 | if (!eaten) |
aa46a0da OT |
1819 | free(oi->content); |
1820 | return 0; | |
2bbc6e8a OT |
1821 | } |
1822 | ||
2582083f NB |
1823 | static void populate_worktree_map(struct hashmap *map, struct worktree **worktrees) |
1824 | { | |
1825 | int i; | |
1826 | ||
1827 | for (i = 0; worktrees[i]; i++) { | |
1828 | if (worktrees[i]->head_ref) { | |
1829 | struct ref_to_worktree_entry *entry; | |
1830 | entry = xmalloc(sizeof(*entry)); | |
1831 | entry->wt = worktrees[i]; | |
d22245a2 EW |
1832 | hashmap_entry_init(&entry->ent, |
1833 | strhash(worktrees[i]->head_ref)); | |
2582083f | 1834 | |
b94e5c1d | 1835 | hashmap_add(map, &entry->ent); |
2582083f NB |
1836 | } |
1837 | } | |
1838 | } | |
1839 | ||
1840 | static void lazy_init_worktree_map(void) | |
1841 | { | |
1842 | if (ref_to_worktree_map.worktrees) | |
1843 | return; | |
1844 | ||
03f2465b | 1845 | ref_to_worktree_map.worktrees = get_worktrees(); |
2582083f NB |
1846 | hashmap_init(&(ref_to_worktree_map.map), ref_to_worktree_map_cmpfnc, NULL, 0); |
1847 | populate_worktree_map(&(ref_to_worktree_map.map), ref_to_worktree_map.worktrees); | |
1848 | } | |
1849 | ||
fe6258c3 | 1850 | static char *get_worktree_path(const struct ref_array_item *ref) |
2582083f | 1851 | { |
f23a4651 | 1852 | struct hashmap_entry entry, *e; |
2582083f NB |
1853 | struct ref_to_worktree_entry *lookup_result; |
1854 | ||
1855 | lazy_init_worktree_map(); | |
1856 | ||
1857 | hashmap_entry_init(&entry, strhash(ref->refname)); | |
f23a4651 | 1858 | e = hashmap_get(&(ref_to_worktree_map.map), &entry, ref->refname); |
2582083f | 1859 | |
f23a4651 | 1860 | if (!e) |
2582083f | 1861 | return xstrdup(""); |
f23a4651 EW |
1862 | |
1863 | lookup_result = container_of(e, struct ref_to_worktree_entry, ent); | |
1864 | ||
1865 | return xstrdup(lookup_result->wt->path); | |
2582083f NB |
1866 | } |
1867 | ||
c95b7585 KN |
1868 | /* |
1869 | * Parse the object referred by ref, and grab needed value. | |
1870 | */ | |
e339611b | 1871 | static int populate_value(struct ref_array_item *ref, struct strbuf *err) |
c95b7585 | 1872 | { |
c95b7585 | 1873 | struct object *obj; |
2bbc6e8a | 1874 | int i; |
aa46a0da | 1875 | struct object_info empty = OBJECT_INFO_INIT; |
c95b7585 | 1876 | |
ca56dadb | 1877 | CALLOC_ARRAY(ref->value, used_atom_cnt); |
c95b7585 KN |
1878 | |
1879 | if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) { | |
c95b7585 | 1880 | ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING, |
efbd4fdf | 1881 | NULL, NULL); |
c95b7585 | 1882 | if (!ref->symref) |
f0062d3b | 1883 | ref->symref = xstrdup(""); |
c95b7585 KN |
1884 | } |
1885 | ||
1886 | /* Fill in specials first */ | |
1887 | for (i = 0; i < used_atom_cnt; i++) { | |
fd935cc7 | 1888 | struct used_atom *atom = &used_atom[i]; |
1197f1a4 | 1889 | enum atom_type atom_type = atom->atom_type; |
b072add7 | 1890 | const char *name = used_atom[i].name; |
c95b7585 KN |
1891 | struct atom_value *v = &ref->value[i]; |
1892 | int deref = 0; | |
1893 | const char *refname; | |
c95b7585 KN |
1894 | struct branch *branch = NULL; |
1895 | ||
bd0708c7 | 1896 | v->s_size = ATOM_SIZE_UNSPECIFIED; |
63d89fbc | 1897 | v->handler = append_atom; |
c58fc856 | 1898 | v->atom = atom; |
63d89fbc | 1899 | |
c95b7585 KN |
1900 | if (*name == '*') { |
1901 | deref = 1; | |
1902 | name++; | |
1903 | } | |
1904 | ||
1197f1a4 | 1905 | if (atom_type == ATOM_REFNAME) |
a7984101 | 1906 | refname = get_refname(atom, ref); |
1197f1a4 | 1907 | else if (atom_type == ATOM_WORKTREEPATH) { |
2582083f | 1908 | if (ref->kind == FILTER_REFS_BRANCHES) |
fe6258c3 | 1909 | v->s = get_worktree_path(ref); |
2582083f NB |
1910 | else |
1911 | v->s = xstrdup(""); | |
1912 | continue; | |
1913 | } | |
1197f1a4 | 1914 | else if (atom_type == ATOM_SYMREF) |
a7984101 | 1915 | refname = get_symref(atom, ref); |
1197f1a4 | 1916 | else if (atom_type == ATOM_UPSTREAM) { |
c95b7585 KN |
1917 | const char *branch_name; |
1918 | /* only local branches may have an upstream */ | |
1919 | if (!skip_prefix(ref->refname, "refs/heads/", | |
f0062d3b OT |
1920 | &branch_name)) { |
1921 | v->s = xstrdup(""); | |
c95b7585 | 1922 | continue; |
f0062d3b | 1923 | } |
c95b7585 KN |
1924 | branch = branch_get(branch_name); |
1925 | ||
1926 | refname = branch_get_upstream(branch, NULL); | |
5339bdad KN |
1927 | if (refname) |
1928 | fill_remote_ref_details(atom, refname, branch, &v->s); | |
f0062d3b OT |
1929 | else |
1930 | v->s = xstrdup(""); | |
5339bdad | 1931 | continue; |
1197f1a4 | 1932 | } else if (atom_type == ATOM_PUSH && atom->u.remote_ref.push) { |
c95b7585 | 1933 | const char *branch_name; |
f0062d3b | 1934 | v->s = xstrdup(""); |
c95b7585 KN |
1935 | if (!skip_prefix(ref->refname, "refs/heads/", |
1936 | &branch_name)) | |
1937 | continue; | |
1938 | branch = branch_get(branch_name); | |
1939 | ||
cc72385f JS |
1940 | if (atom->u.remote_ref.push_remote) |
1941 | refname = NULL; | |
1942 | else { | |
1943 | refname = branch_get_push(branch, NULL); | |
1944 | if (!refname) | |
1945 | continue; | |
1946 | } | |
f0062d3b OT |
1947 | /* We will definitely re-init v->s on the next line. */ |
1948 | free((char *)v->s); | |
5339bdad KN |
1949 | fill_remote_ref_details(atom, refname, branch, &v->s); |
1950 | continue; | |
1197f1a4 | 1951 | } else if (atom_type == ATOM_COLOR) { |
f0062d3b | 1952 | v->s = xstrdup(atom->u.color); |
c95b7585 | 1953 | continue; |
1197f1a4 | 1954 | } else if (atom_type == ATOM_FLAG) { |
c95b7585 KN |
1955 | char buf[256], *cp = buf; |
1956 | if (ref->flag & REF_ISSYMREF) | |
1957 | cp = copy_advance(cp, ",symref"); | |
1958 | if (ref->flag & REF_ISPACKED) | |
1959 | cp = copy_advance(cp, ",packed"); | |
1960 | if (cp == buf) | |
f0062d3b | 1961 | v->s = xstrdup(""); |
c95b7585 KN |
1962 | else { |
1963 | *cp = '\0'; | |
1964 | v->s = xstrdup(buf + 1); | |
1965 | } | |
1966 | continue; | |
1197f1a4 ZH |
1967 | } else if (!deref && atom_type == ATOM_OBJECTNAME && |
1968 | grab_oid(name, "objectname", &ref->objectname, v, atom)) { | |
1969 | continue; | |
1970 | } else if (atom_type == ATOM_HEAD) { | |
613a0e52 | 1971 | if (atom->u.head && !strcmp(ref->refname, atom->u.head)) |
f0062d3b | 1972 | v->s = xstrdup("*"); |
c95b7585 | 1973 | else |
f0062d3b | 1974 | v->s = xstrdup(" "); |
c95b7585 | 1975 | continue; |
1197f1a4 | 1976 | } else if (atom_type == ATOM_ALIGN) { |
ce592082 | 1977 | v->handler = align_atom_handler; |
f0062d3b | 1978 | v->s = xstrdup(""); |
ce592082 | 1979 | continue; |
1197f1a4 | 1980 | } else if (atom_type == ATOM_END) { |
ce592082 | 1981 | v->handler = end_atom_handler; |
f0062d3b | 1982 | v->s = xstrdup(""); |
ce592082 | 1983 | continue; |
1197f1a4 | 1984 | } else if (atom_type == ATOM_IF) { |
4f3e3b37 | 1985 | const char *s; |
4f3e3b37 KN |
1986 | if (skip_prefix(name, "if:", &s)) |
1987 | v->s = xstrdup(s); | |
f0062d3b OT |
1988 | else |
1989 | v->s = xstrdup(""); | |
c58492d4 KN |
1990 | v->handler = if_atom_handler; |
1991 | continue; | |
1197f1a4 | 1992 | } else if (atom_type == ATOM_THEN) { |
c58492d4 | 1993 | v->handler = then_atom_handler; |
f0062d3b | 1994 | v->s = xstrdup(""); |
c58492d4 | 1995 | continue; |
1197f1a4 | 1996 | } else if (atom_type == ATOM_ELSE) { |
c58492d4 | 1997 | v->handler = else_atom_handler; |
f0062d3b | 1998 | v->s = xstrdup(""); |
c58492d4 | 1999 | continue; |
b9dee075 ZH |
2000 | } else if (atom_type == ATOM_REST) { |
2001 | if (ref->rest) | |
2002 | v->s = xstrdup(ref->rest); | |
2003 | else | |
2004 | v->s = xstrdup(""); | |
2005 | continue; | |
c95b7585 KN |
2006 | } else |
2007 | continue; | |
2008 | ||
c95b7585 | 2009 | if (!deref) |
f0062d3b | 2010 | v->s = xstrdup(refname); |
a5e03bf5 JK |
2011 | else |
2012 | v->s = xstrfmt("%s^{}", refname); | |
f0062d3b | 2013 | free((char *)refname); |
c95b7585 KN |
2014 | } |
2015 | ||
2016 | for (i = 0; i < used_atom_cnt; i++) { | |
2017 | struct atom_value *v = &ref->value[i]; | |
aa46a0da OT |
2018 | if (v->s == NULL && used_atom[i].source == SOURCE_NONE) |
2019 | return strbuf_addf_ret(err, -1, _("missing object %s for %s"), | |
2020 | oid_to_hex(&ref->objectname), ref->refname); | |
c95b7585 | 2021 | } |
aa46a0da OT |
2022 | |
2023 | if (need_tagged) | |
2024 | oi.info.contentp = &oi.content; | |
2025 | if (!memcmp(&oi.info, &empty, sizeof(empty)) && | |
2026 | !memcmp(&oi_deref.info, &empty, sizeof(empty))) | |
e339611b | 2027 | return 0; |
c95b7585 | 2028 | |
aa46a0da OT |
2029 | |
2030 | oi.oid = ref->objectname; | |
2031 | if (get_object(ref, 0, &obj, &oi, err)) | |
e339611b | 2032 | return -1; |
c95b7585 KN |
2033 | |
2034 | /* | |
2035 | * If there is no atom that wants to know about tagged | |
2036 | * object, we are done. | |
2037 | */ | |
2038 | if (!need_tagged || (obj->type != OBJ_TAG)) | |
e339611b | 2039 | return 0; |
c95b7585 KN |
2040 | |
2041 | /* | |
2042 | * If it is a tag object, see if we use a value that derefs | |
2043 | * the object, and if we do grab the object it refers to. | |
2044 | */ | |
c77722b3 | 2045 | oi_deref.oid = *get_tagged_oid((struct tag *)obj); |
c95b7585 KN |
2046 | |
2047 | /* | |
2048 | * NEEDSWORK: This derefs tag only once, which | |
2049 | * is good to deal with chains of trust, but | |
2050 | * is not consistent with what deref_tag() does | |
2051 | * which peels the onion to the core. | |
2052 | */ | |
aa46a0da | 2053 | return get_object(ref, 1, &obj, &oi_deref, err); |
c95b7585 KN |
2054 | } |
2055 | ||
2056 | /* | |
2057 | * Given a ref, return the value for the atom. This lazily gets value | |
2058 | * out of the object by calling populate value. | |
2059 | */ | |
e339611b OT |
2060 | static int get_ref_atom_value(struct ref_array_item *ref, int atom, |
2061 | struct atom_value **v, struct strbuf *err) | |
c95b7585 KN |
2062 | { |
2063 | if (!ref->value) { | |
e339611b OT |
2064 | if (populate_value(ref, err)) |
2065 | return -1; | |
c95b7585 KN |
2066 | fill_missing_values(ref->value); |
2067 | } | |
2068 | *v = &ref->value[atom]; | |
e339611b | 2069 | return 0; |
c95b7585 KN |
2070 | } |
2071 | ||
bef0e12b KN |
2072 | /* |
2073 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
2074 | * A pattern can be a literal prefix (e.g. a refname "refs/heads/master" | |
2075 | * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref | |
2076 | * matches "refs/heads/mas*", too). | |
2077 | */ | |
3bb16a8b | 2078 | static int match_pattern(const struct ref_filter *filter, const char *refname) |
bef0e12b | 2079 | { |
3bb16a8b NTND |
2080 | const char **patterns = filter->name_patterns; |
2081 | unsigned flags = 0; | |
2082 | ||
2083 | if (filter->ignore_case) | |
2084 | flags |= WM_CASEFOLD; | |
2085 | ||
bef0e12b KN |
2086 | /* |
2087 | * When no '--format' option is given we need to skip the prefix | |
2088 | * for matching refs of tags and branches. | |
2089 | */ | |
2090 | (void)(skip_prefix(refname, "refs/tags/", &refname) || | |
2091 | skip_prefix(refname, "refs/heads/", &refname) || | |
2092 | skip_prefix(refname, "refs/remotes/", &refname) || | |
2093 | skip_prefix(refname, "refs/", &refname)); | |
2094 | ||
2095 | for (; *patterns; patterns++) { | |
55d34269 | 2096 | if (!wildmatch(*patterns, refname, flags)) |
bef0e12b KN |
2097 | return 1; |
2098 | } | |
2099 | return 0; | |
2100 | } | |
2101 | ||
c95b7585 KN |
2102 | /* |
2103 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
2104 | * A pattern can be path prefix (e.g. a refname "refs/heads/master" | |
bef0e12b KN |
2105 | * matches a pattern "refs/heads/" but not "refs/heads/m") or a |
2106 | * wildcard (e.g. the same ref matches "refs/heads/m*", too). | |
c95b7585 | 2107 | */ |
3bb16a8b | 2108 | static int match_name_as_path(const struct ref_filter *filter, const char *refname) |
c95b7585 | 2109 | { |
3bb16a8b | 2110 | const char **pattern = filter->name_patterns; |
c95b7585 | 2111 | int namelen = strlen(refname); |
3bb16a8b NTND |
2112 | unsigned flags = WM_PATHNAME; |
2113 | ||
2114 | if (filter->ignore_case) | |
2115 | flags |= WM_CASEFOLD; | |
2116 | ||
c95b7585 KN |
2117 | for (; *pattern; pattern++) { |
2118 | const char *p = *pattern; | |
2119 | int plen = strlen(p); | |
2120 | ||
2121 | if ((plen <= namelen) && | |
2122 | !strncmp(refname, p, plen) && | |
2123 | (refname[plen] == '\0' || | |
2124 | refname[plen] == '/' || | |
2125 | p[plen-1] == '/')) | |
2126 | return 1; | |
639ab5ef | 2127 | if (!wildmatch(p, refname, flags)) |
c95b7585 KN |
2128 | return 1; |
2129 | } | |
2130 | return 0; | |
2131 | } | |
2132 | ||
bef0e12b KN |
2133 | /* Return 1 if the refname matches one of the patterns, otherwise 0. */ |
2134 | static int filter_pattern_match(struct ref_filter *filter, const char *refname) | |
2135 | { | |
2136 | if (!*filter->name_patterns) | |
2137 | return 1; /* No pattern always matches */ | |
2138 | if (filter->match_as_path) | |
3bb16a8b NTND |
2139 | return match_name_as_path(filter, refname); |
2140 | return match_pattern(filter, refname); | |
bef0e12b KN |
2141 | } |
2142 | ||
cfe004a5 JK |
2143 | /* |
2144 | * This is the same as for_each_fullref_in(), but it tries to iterate | |
2145 | * only over the patterns we'll care about. Note that it _doesn't_ do a full | |
2146 | * pattern match, so the callback still has to match each ref individually. | |
2147 | */ | |
2148 | static int for_each_fullref_in_pattern(struct ref_filter *filter, | |
2149 | each_ref_fn cb, | |
67985e4e | 2150 | void *cb_data) |
cfe004a5 | 2151 | { |
cfe004a5 JK |
2152 | if (!filter->match_as_path) { |
2153 | /* | |
2154 | * in this case, the patterns are applied after | |
2155 | * prefixes like "refs/heads/" etc. are stripped off, | |
2156 | * so we have to look at everything: | |
2157 | */ | |
67985e4e | 2158 | return for_each_fullref_in("", cb, cb_data); |
cfe004a5 JK |
2159 | } |
2160 | ||
e674eb25 JK |
2161 | if (filter->ignore_case) { |
2162 | /* | |
2163 | * we can't handle case-insensitive comparisons, | |
2164 | * so just return everything and let the caller | |
2165 | * sort it out. | |
2166 | */ | |
67985e4e | 2167 | return for_each_fullref_in("", cb, cb_data); |
e674eb25 JK |
2168 | } |
2169 | ||
cfe004a5 JK |
2170 | if (!filter->name_patterns[0]) { |
2171 | /* no patterns; we have to look at everything */ | |
67985e4e | 2172 | return for_each_fullref_in("", cb, cb_data); |
cfe004a5 JK |
2173 | } |
2174 | ||
91e2ab15 JK |
2175 | return refs_for_each_fullref_in_prefixes(get_main_ref_store(the_repository), |
2176 | NULL, filter->name_patterns, | |
2177 | cb, cb_data); | |
cfe004a5 JK |
2178 | } |
2179 | ||
68411046 | 2180 | /* |
c79eddf5 JK |
2181 | * Given a ref (oid, refname), check if the ref belongs to the array |
2182 | * of oids. If the given ref is a tag, check if the given tag points | |
2183 | * at one of the oids in the given oid array. | |
68411046 | 2184 | * NEEDSWORK: |
84544f2e | 2185 | * 1. Only a single level of indirection is obtained, we might want to |
68411046 KN |
2186 | * change this to account for multiple levels (e.g. annotated tags |
2187 | * pointing to annotated tags pointing to a commit.) | |
2188 | * 2. As the refs are cached we might know what refname peels to without | |
2189 | * the need to parse the object via parse_object(). peel_ref() might be a | |
2190 | * more efficient alternative to obtain the pointee. | |
2191 | */ | |
910650d2 | 2192 | static const struct object_id *match_points_at(struct oid_array *points_at, |
4ce3621a | 2193 | const struct object_id *oid, |
2194 | const char *refname) | |
68411046 | 2195 | { |
4ce3621a | 2196 | const struct object_id *tagged_oid = NULL; |
68411046 KN |
2197 | struct object *obj; |
2198 | ||
910650d2 | 2199 | if (oid_array_lookup(points_at, oid) >= 0) |
4ce3621a | 2200 | return oid; |
109cd76d | 2201 | obj = parse_object(the_repository, oid); |
68411046 KN |
2202 | if (!obj) |
2203 | die(_("malformed object at '%s'"), refname); | |
2204 | if (obj->type == OBJ_TAG) | |
c77722b3 | 2205 | tagged_oid = get_tagged_oid((struct tag *)obj); |
910650d2 | 2206 | if (tagged_oid && oid_array_lookup(points_at, tagged_oid) >= 0) |
4ce3621a | 2207 | return tagged_oid; |
68411046 KN |
2208 | return NULL; |
2209 | } | |
2210 | ||
0ffaa00f JK |
2211 | /* |
2212 | * Allocate space for a new ref_array_item and copy the name and oid to it. | |
2213 | * | |
2214 | * Callers can then fill in other struct members at their leisure. | |
2215 | */ | |
c95b7585 | 2216 | static struct ref_array_item *new_ref_array_item(const char *refname, |
0ffaa00f | 2217 | const struct object_id *oid) |
c95b7585 | 2218 | { |
96ffc06f | 2219 | struct ref_array_item *ref; |
0ffaa00f | 2220 | |
96ffc06f | 2221 | FLEX_ALLOC_STR(ref, refname, refname); |
53df97a2 | 2222 | oidcpy(&ref->objectname, oid); |
b9dee075 | 2223 | ref->rest = NULL; |
c95b7585 KN |
2224 | |
2225 | return ref; | |
2226 | } | |
2227 | ||
427cbc9d JK |
2228 | struct ref_array_item *ref_array_push(struct ref_array *array, |
2229 | const char *refname, | |
2230 | const struct object_id *oid) | |
2231 | { | |
2232 | struct ref_array_item *ref = new_ref_array_item(refname, oid); | |
2233 | ||
2234 | ALLOC_GROW(array->items, array->nr + 1, array->alloc); | |
2235 | array->items[array->nr++] = ref; | |
c95b7585 KN |
2236 | |
2237 | return ref; | |
2238 | } | |
2239 | ||
2111aa79 | 2240 | static int ref_kind_from_refname(const char *refname) |
5b4f2851 KN |
2241 | { |
2242 | unsigned int i; | |
2243 | ||
2244 | static struct { | |
2245 | const char *prefix; | |
2246 | unsigned int kind; | |
2247 | } ref_kind[] = { | |
2248 | { "refs/heads/" , FILTER_REFS_BRANCHES }, | |
2249 | { "refs/remotes/" , FILTER_REFS_REMOTES }, | |
2250 | { "refs/tags/", FILTER_REFS_TAGS} | |
2251 | }; | |
2252 | ||
2111aa79 | 2253 | if (!strcmp(refname, "HEAD")) |
5b4f2851 KN |
2254 | return FILTER_REFS_DETACHED_HEAD; |
2255 | ||
2256 | for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { | |
2257 | if (starts_with(refname, ref_kind[i].prefix)) | |
2258 | return ref_kind[i].kind; | |
2259 | } | |
2260 | ||
2261 | return FILTER_REFS_OTHERS; | |
2262 | } | |
2263 | ||
2111aa79 LP |
2264 | static int filter_ref_kind(struct ref_filter *filter, const char *refname) |
2265 | { | |
2266 | if (filter->kind == FILTER_REFS_BRANCHES || | |
2267 | filter->kind == FILTER_REFS_REMOTES || | |
2268 | filter->kind == FILTER_REFS_TAGS) | |
2269 | return filter->kind; | |
2270 | return ref_kind_from_refname(refname); | |
2271 | } | |
2272 | ||
920f93ca DS |
2273 | struct ref_filter_cbdata { |
2274 | struct ref_array *array; | |
2275 | struct ref_filter *filter; | |
2276 | struct contains_cache contains_cache; | |
2277 | struct contains_cache no_contains_cache; | |
2278 | }; | |
2279 | ||
c95b7585 KN |
2280 | /* |
2281 | * A call-back given to for_each_ref(). Filter refs and keep them for | |
2282 | * later object processing. | |
2283 | */ | |
14de7fba | 2284 | static int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data) |
c95b7585 KN |
2285 | { |
2286 | struct ref_filter_cbdata *ref_cbdata = cb_data; | |
14de7fba | 2287 | struct ref_filter *filter = ref_cbdata->filter; |
c95b7585 | 2288 | struct ref_array_item *ref; |
35257aa0 | 2289 | struct commit *commit = NULL; |
5b4f2851 | 2290 | unsigned int kind; |
c95b7585 KN |
2291 | |
2292 | if (flag & REF_BAD_NAME) { | |
1823c619 | 2293 | warning(_("ignoring ref with broken name %s"), refname); |
c95b7585 KN |
2294 | return 0; |
2295 | } | |
2296 | ||
7ebc8cbe | 2297 | if (flag & REF_ISBROKEN) { |
1823c619 | 2298 | warning(_("ignoring broken ref %s"), refname); |
7ebc8cbe JH |
2299 | return 0; |
2300 | } | |
2301 | ||
5b4f2851 KN |
2302 | /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */ |
2303 | kind = filter_ref_kind(filter, refname); | |
2304 | if (!(kind & filter->kind)) | |
2305 | return 0; | |
2306 | ||
bef0e12b | 2307 | if (!filter_pattern_match(filter, refname)) |
c95b7585 KN |
2308 | return 0; |
2309 | ||
4ce3621a | 2310 | if (filter->points_at.nr && !match_points_at(&filter->points_at, oid, refname)) |
68411046 KN |
2311 | return 0; |
2312 | ||
35257aa0 KN |
2313 | /* |
2314 | * A merge filter is applied on refs pointing to commits. Hence | |
2315 | * obtain the commit using the 'oid' available and discard all | |
2316 | * non-commits early. The actual filtering is done later. | |
2317 | */ | |
21bf9339 AL |
2318 | if (filter->reachable_from || filter->unreachable_from || |
2319 | filter->with_commit || filter->no_commit || filter->verbose) { | |
2320 | commit = lookup_commit_reference_gently(the_repository, oid, 1); | |
35257aa0 KN |
2321 | if (!commit) |
2322 | return 0; | |
ac3f5a34 | 2323 | /* We perform the filtering for the '--contains' option... */ |
ee2bd06b | 2324 | if (filter->with_commit && |
ac3f5a34 ÆAB |
2325 | !commit_contains(filter, commit, filter->with_commit, &ref_cbdata->contains_cache)) |
2326 | return 0; | |
2327 | /* ...or for the `--no-contains' option */ | |
2328 | if (filter->no_commit && | |
2329 | commit_contains(filter, commit, filter->no_commit, &ref_cbdata->no_contains_cache)) | |
ee2bd06b | 2330 | return 0; |
35257aa0 KN |
2331 | } |
2332 | ||
c95b7585 KN |
2333 | /* |
2334 | * We do not open the object yet; sort may only need refname | |
2335 | * to do its job and the resulting list may yet to be pruned | |
2336 | * by maxcount logic. | |
2337 | */ | |
427cbc9d | 2338 | ref = ref_array_push(ref_cbdata->array, refname, oid); |
35257aa0 | 2339 | ref->commit = commit; |
0ffaa00f | 2340 | ref->flag = flag; |
5b4f2851 | 2341 | ref->kind = kind; |
c95b7585 | 2342 | |
c95b7585 KN |
2343 | return 0; |
2344 | } | |
2345 | ||
2346 | /* Free memory allocated for a ref_array_item */ | |
2347 | static void free_array_item(struct ref_array_item *item) | |
2348 | { | |
2349 | free((char *)item->symref); | |
f0062d3b | 2350 | if (item->value) { |
14d30cdf MÅ |
2351 | int i; |
2352 | for (i = 0; i < used_atom_cnt; i++) | |
2353 | free((char *)item->value[i].s); | |
f0062d3b OT |
2354 | free(item->value); |
2355 | } | |
c95b7585 KN |
2356 | free(item); |
2357 | } | |
2358 | ||
2359 | /* Free all memory allocated for ref_array */ | |
2360 | void ref_array_clear(struct ref_array *array) | |
2361 | { | |
2362 | int i; | |
2363 | ||
2364 | for (i = 0; i < array->nr; i++) | |
2365 | free_array_item(array->items[i]); | |
6a83d902 | 2366 | FREE_AND_NULL(array->items); |
c95b7585 | 2367 | array->nr = array->alloc = 0; |
14d30cdf | 2368 | |
d7cf4188 AH |
2369 | for (i = 0; i < used_atom_cnt; i++) { |
2370 | struct used_atom *atom = &used_atom[i]; | |
2371 | if (atom->atom_type == ATOM_HEAD) | |
2372 | free(atom->u.head); | |
2373 | free((char *)atom->name); | |
2374 | } | |
14d30cdf MÅ |
2375 | FREE_AND_NULL(used_atom); |
2376 | used_atom_cnt = 0; | |
2377 | ||
2582083f | 2378 | if (ref_to_worktree_map.worktrees) { |
6da1a258 | 2379 | hashmap_clear_and_free(&(ref_to_worktree_map.map), |
c8e424c9 | 2380 | struct ref_to_worktree_entry, ent); |
2582083f NB |
2381 | free_worktrees(ref_to_worktree_map.worktrees); |
2382 | ref_to_worktree_map.worktrees = NULL; | |
2383 | } | |
c95b7585 KN |
2384 | } |
2385 | ||
a1b19aa5 AL |
2386 | #define EXCLUDE_REACHED 0 |
2387 | #define INCLUDE_REACHED 1 | |
2388 | static void reach_filter(struct ref_array *array, | |
2389 | struct commit_list *check_reachable, | |
2390 | int include_reached) | |
35257aa0 KN |
2391 | { |
2392 | struct rev_info revs; | |
2393 | int i, old_nr; | |
5336d506 | 2394 | struct commit **to_clear; |
a1b19aa5 | 2395 | struct commit_list *cr; |
21bf9339 | 2396 | |
a1b19aa5 | 2397 | if (!check_reachable) |
21bf9339 | 2398 | return; |
35257aa0 | 2399 | |
ca56dadb | 2400 | CALLOC_ARRAY(to_clear, array->nr); |
5336d506 | 2401 | |
2abf3503 | 2402 | repo_init_revisions(the_repository, &revs, NULL); |
35257aa0 KN |
2403 | |
2404 | for (i = 0; i < array->nr; i++) { | |
2405 | struct ref_array_item *item = array->items[i]; | |
2406 | add_pending_object(&revs, &item->commit->object, item->refname); | |
2407 | to_clear[i] = item->commit; | |
2408 | } | |
2409 | ||
a1b19aa5 AL |
2410 | for (cr = check_reachable; cr; cr = cr->next) { |
2411 | struct commit *merge_commit = cr->item; | |
21bf9339 AL |
2412 | merge_commit->object.flags |= UNINTERESTING; |
2413 | add_pending_object(&revs, &merge_commit->object, ""); | |
2414 | } | |
35257aa0 KN |
2415 | |
2416 | revs.limited = 1; | |
2417 | if (prepare_revision_walk(&revs)) | |
2418 | die(_("revision walk setup failed")); | |
2419 | ||
2420 | old_nr = array->nr; | |
2421 | array->nr = 0; | |
2422 | ||
2423 | for (i = 0; i < old_nr; i++) { | |
2424 | struct ref_array_item *item = array->items[i]; | |
2425 | struct commit *commit = item->commit; | |
2426 | ||
2427 | int is_merged = !!(commit->object.flags & UNINTERESTING); | |
2428 | ||
a1b19aa5 | 2429 | if (is_merged == include_reached) |
35257aa0 KN |
2430 | array->items[array->nr++] = array->items[i]; |
2431 | else | |
2432 | free_array_item(item); | |
2433 | } | |
2434 | ||
5dee6d6f | 2435 | clear_commit_marks_many(old_nr, to_clear, ALL_REV_FLAGS); |
21bf9339 | 2436 | |
a1b19aa5 AL |
2437 | while (check_reachable) { |
2438 | struct commit *merge_commit = pop_commit(&check_reachable); | |
21bf9339 AL |
2439 | clear_commit_marks(merge_commit, ALL_REV_FLAGS); |
2440 | } | |
2441 | ||
2108fe4a | 2442 | release_revisions(&revs); |
35257aa0 KN |
2443 | free(to_clear); |
2444 | } | |
2445 | ||
14de7fba KN |
2446 | /* |
2447 | * API for filtering a set of refs. Based on the type of refs the user | |
2448 | * has requested, we iterate through those refs and apply filters | |
2449 | * as per the given ref_filter structure and finally store the | |
2450 | * filtered refs in the ref_array structure. | |
2451 | */ | |
2452 | int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type) | |
2453 | { | |
2454 | struct ref_filter_cbdata ref_cbdata; | |
359b01ca | 2455 | int save_commit_buffer_orig; |
35257aa0 | 2456 | int ret = 0; |
14de7fba KN |
2457 | |
2458 | ref_cbdata.array = array; | |
2459 | ref_cbdata.filter = filter; | |
2460 | ||
5b4f2851 KN |
2461 | filter->kind = type & FILTER_REFS_KIND_MASK; |
2462 | ||
359b01ca JK |
2463 | save_commit_buffer_orig = save_commit_buffer; |
2464 | save_commit_buffer = 0; | |
2465 | ||
a91aca44 | 2466 | init_contains_cache(&ref_cbdata.contains_cache); |
ac3f5a34 | 2467 | init_contains_cache(&ref_cbdata.no_contains_cache); |
a91aca44 | 2468 | |
35257aa0 | 2469 | /* Simple per-ref filtering */ |
5b4f2851 | 2470 | if (!filter->kind) |
14de7fba | 2471 | die("filter_refs: invalid type"); |
5b4f2851 KN |
2472 | else { |
2473 | /* | |
2474 | * For common cases where we need only branches or remotes or tags, | |
2475 | * we only iterate through those refs. If a mix of refs is needed, | |
2476 | * we iterate over all refs and filter out required refs with the help | |
2477 | * of filter_ref_kind(). | |
2478 | */ | |
2479 | if (filter->kind == FILTER_REFS_BRANCHES) | |
67985e4e | 2480 | ret = for_each_fullref_in("refs/heads/", ref_filter_handler, &ref_cbdata); |
5b4f2851 | 2481 | else if (filter->kind == FILTER_REFS_REMOTES) |
67985e4e | 2482 | ret = for_each_fullref_in("refs/remotes/", ref_filter_handler, &ref_cbdata); |
5b4f2851 | 2483 | else if (filter->kind == FILTER_REFS_TAGS) |
67985e4e | 2484 | ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata); |
5b4f2851 | 2485 | else if (filter->kind & FILTER_REFS_ALL) |
67985e4e | 2486 | ret = for_each_fullref_in_pattern(filter, ref_filter_handler, &ref_cbdata); |
5b4f2851 KN |
2487 | if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD)) |
2488 | head_ref(ref_filter_handler, &ref_cbdata); | |
2489 | } | |
2490 | ||
a91aca44 | 2491 | clear_contains_cache(&ref_cbdata.contains_cache); |
ac3f5a34 | 2492 | clear_contains_cache(&ref_cbdata.no_contains_cache); |
35257aa0 KN |
2493 | |
2494 | /* Filters that need revision walking */ | |
a1b19aa5 AL |
2495 | reach_filter(array, filter->reachable_from, INCLUDE_REACHED); |
2496 | reach_filter(array, filter->unreachable_from, EXCLUDE_REACHED); | |
35257aa0 | 2497 | |
359b01ca | 2498 | save_commit_buffer = save_commit_buffer_orig; |
35257aa0 | 2499 | return ret; |
14de7fba KN |
2500 | } |
2501 | ||
2708ce62 ÆAB |
2502 | static int compare_detached_head(struct ref_array_item *a, struct ref_array_item *b) |
2503 | { | |
2504 | if (!(a->kind ^ b->kind)) | |
2505 | BUG("ref_kind_from_refname() should only mark one ref as HEAD"); | |
2506 | if (a->kind & FILTER_REFS_DETACHED_HEAD) | |
2507 | return -1; | |
2508 | else if (b->kind & FILTER_REFS_DETACHED_HEAD) | |
2509 | return 1; | |
2510 | BUG("should have died in the xor check above"); | |
2511 | return 0; | |
2512 | } | |
2513 | ||
bd0708c7 ZH |
2514 | static int memcasecmp(const void *vs1, const void *vs2, size_t n) |
2515 | { | |
2516 | const char *s1 = vs1, *s2 = vs2; | |
2517 | const char *end = s1 + n; | |
2518 | ||
2519 | for (; s1 < end; s1++, s2++) { | |
2520 | int diff = tolower(*s1) - tolower(*s2); | |
2521 | if (diff) | |
2522 | return diff; | |
2523 | } | |
2524 | return 0; | |
2525 | } | |
2526 | ||
98e7ab6d JH |
2527 | struct ref_sorting { |
2528 | struct ref_sorting *next; | |
2529 | int atom; /* index into used_atom array (internal) */ | |
2530 | enum ref_sorting_order sort_flags; | |
2531 | }; | |
2532 | ||
c95b7585 KN |
2533 | static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b) |
2534 | { | |
2535 | struct atom_value *va, *vb; | |
2536 | int cmp; | |
4045f659 | 2537 | int cmp_detached_head = 0; |
b072add7 | 2538 | cmp_type cmp_type = used_atom[s->atom].type; |
e339611b | 2539 | struct strbuf err = STRBUF_INIT; |
c95b7585 | 2540 | |
e339611b OT |
2541 | if (get_ref_atom_value(a, s->atom, &va, &err)) |
2542 | die("%s", err.buf); | |
2543 | if (get_ref_atom_value(b, s->atom, &vb, &err)) | |
2544 | die("%s", err.buf); | |
2545 | strbuf_release(&err); | |
2708ce62 ÆAB |
2546 | if (s->sort_flags & REF_SORTING_DETACHED_HEAD_FIRST && |
2547 | ((a->kind | b->kind) & FILTER_REFS_DETACHED_HEAD)) { | |
2548 | cmp = compare_detached_head(a, b); | |
4045f659 | 2549 | cmp_detached_head = 1; |
2708ce62 | 2550 | } else if (s->sort_flags & REF_SORTING_VERSION) { |
90c00408 | 2551 | cmp = versioncmp(va->s, vb->s); |
75c50e59 | 2552 | } else if (cmp_type == FIELD_STR) { |
bd0708c7 ZH |
2553 | if (va->s_size < 0 && vb->s_size < 0) { |
2554 | int (*cmp_fn)(const char *, const char *); | |
2555 | cmp_fn = s->sort_flags & REF_SORTING_ICASE | |
2556 | ? strcasecmp : strcmp; | |
2557 | cmp = cmp_fn(va->s, vb->s); | |
2558 | } else { | |
2559 | size_t a_size = va->s_size < 0 ? | |
2560 | strlen(va->s) : va->s_size; | |
2561 | size_t b_size = vb->s_size < 0 ? | |
2562 | strlen(vb->s) : vb->s_size; | |
2563 | int (*cmp_fn)(const void *, const void *, size_t); | |
2564 | cmp_fn = s->sort_flags & REF_SORTING_ICASE | |
2565 | ? memcasecmp : memcmp; | |
2566 | ||
2567 | cmp = cmp_fn(va->s, vb->s, b_size > a_size ? | |
2568 | a_size : b_size); | |
2569 | if (!cmp) { | |
2570 | if (a_size > b_size) | |
2571 | cmp = 1; | |
2572 | else if (a_size < b_size) | |
2573 | cmp = -1; | |
2574 | } | |
2575 | } | |
75c50e59 | 2576 | } else { |
e467dc14 | 2577 | if (va->value < vb->value) |
c95b7585 | 2578 | cmp = -1; |
e467dc14 | 2579 | else if (va->value == vb->value) |
7c5045fc | 2580 | cmp = 0; |
c95b7585 KN |
2581 | else |
2582 | cmp = 1; | |
c95b7585 | 2583 | } |
90c00408 | 2584 | |
4045f659 ÆAB |
2585 | return (s->sort_flags & REF_SORTING_REVERSE && !cmp_detached_head) |
2586 | ? -cmp : cmp; | |
c95b7585 KN |
2587 | } |
2588 | ||
83fc4d64 | 2589 | static int compare_refs(const void *a_, const void *b_, void *ref_sorting) |
c95b7585 KN |
2590 | { |
2591 | struct ref_array_item *a = *((struct ref_array_item **)a_); | |
2592 | struct ref_array_item *b = *((struct ref_array_item **)b_); | |
2593 | struct ref_sorting *s; | |
2594 | ||
2595 | for (s = ref_sorting; s; s = s->next) { | |
2596 | int cmp = cmp_ref_sorting(s, a, b); | |
2597 | if (cmp) | |
2598 | return cmp; | |
2599 | } | |
7c5045fc | 2600 | s = ref_sorting; |
7c269a7b | 2601 | return s && s->sort_flags & REF_SORTING_ICASE ? |
7c5045fc JK |
2602 | strcasecmp(a->refname, b->refname) : |
2603 | strcmp(a->refname, b->refname); | |
c95b7585 KN |
2604 | } |
2605 | ||
7c269a7b ÆAB |
2606 | void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, |
2607 | unsigned int mask, int on) | |
76f9e569 | 2608 | { |
7c269a7b ÆAB |
2609 | for (; sorting; sorting = sorting->next) { |
2610 | if (on) | |
2611 | sorting->sort_flags |= mask; | |
2612 | else | |
2613 | sorting->sort_flags &= ~mask; | |
2614 | } | |
c95b7585 KN |
2615 | } |
2616 | ||
2617 | void ref_array_sort(struct ref_sorting *sorting, struct ref_array *array) | |
2618 | { | |
83fc4d64 | 2619 | QSORT_S(array->items, array->nr, compare_refs, sorting); |
c95b7585 KN |
2620 | } |
2621 | ||
574e96a2 | 2622 | static void append_literal(const char *cp, const char *ep, struct ref_formatting_state *state) |
c95b7585 | 2623 | { |
574e96a2 KN |
2624 | struct strbuf *s = &state->stack->output; |
2625 | ||
c95b7585 KN |
2626 | while (*cp && (!ep || cp < ep)) { |
2627 | if (*cp == '%') { | |
2628 | if (cp[1] == '%') | |
2629 | cp++; | |
2630 | else { | |
d2330973 | 2631 | int ch = hex2chr(cp + 1); |
c95b7585 | 2632 | if (0 <= ch) { |
574e96a2 | 2633 | strbuf_addch(s, ch); |
c95b7585 KN |
2634 | cp += 3; |
2635 | continue; | |
2636 | } | |
2637 | } | |
2638 | } | |
574e96a2 | 2639 | strbuf_addch(s, *cp); |
c95b7585 KN |
2640 | cp++; |
2641 | } | |
2642 | } | |
2643 | ||
3019eca9 | 2644 | int format_ref_array_item(struct ref_array_item *info, |
e85fcb35 ZH |
2645 | struct ref_format *format, |
2646 | struct strbuf *final_buf, | |
2647 | struct strbuf *error_buf) | |
c95b7585 KN |
2648 | { |
2649 | const char *cp, *sp, *ep; | |
574e96a2 KN |
2650 | struct ref_formatting_state state = REF_FORMATTING_STATE_INIT; |
2651 | ||
4a68e36d | 2652 | state.quote_style = format->quote_style; |
574e96a2 | 2653 | push_stack_element(&state.stack); |
c95b7585 | 2654 | |
4a68e36d | 2655 | for (cp = format->format; *cp && (sp = find_next(cp)); cp = ep + 1) { |
c95b7585 | 2656 | struct atom_value *atomv; |
e6ff7b3b | 2657 | int pos; |
c95b7585 KN |
2658 | |
2659 | ep = strchr(sp, ')'); | |
2660 | if (cp < sp) | |
574e96a2 | 2661 | append_literal(cp, sp, &state); |
e6ff7b3b | 2662 | pos = parse_ref_filter_atom(format, sp + 2, ep, error_buf); |
e339611b OT |
2663 | if (pos < 0 || get_ref_atom_value(info, pos, &atomv, error_buf) || |
2664 | atomv->handler(atomv, &state, error_buf)) { | |
3fc8439c OT |
2665 | pop_stack_element(&state.stack); |
2666 | return -1; | |
2667 | } | |
c95b7585 KN |
2668 | } |
2669 | if (*cp) { | |
2670 | sp = cp + strlen(cp); | |
574e96a2 | 2671 | append_literal(cp, sp, &state); |
c95b7585 | 2672 | } |
bf285ae6 | 2673 | if (format->need_color_reset_at_eol) { |
bd0708c7 | 2674 | struct atom_value resetv = ATOM_VALUE_INIT; |
51331aad | 2675 | resetv.s = GIT_COLOR_RESET; |
3fc8439c OT |
2676 | if (append_atom(&resetv, &state, error_buf)) { |
2677 | pop_stack_element(&state.stack); | |
2678 | return -1; | |
2679 | } | |
c95b7585 | 2680 | } |
3019eca9 OT |
2681 | if (state.stack->prev) { |
2682 | pop_stack_element(&state.stack); | |
2683 | return strbuf_addf_ret(error_buf, -1, _("format: %%(end) atom missing")); | |
c95b7585 | 2684 | } |
99c6a71d | 2685 | strbuf_addbuf(final_buf, &state.stack->output); |
574e96a2 | 2686 | pop_stack_element(&state.stack); |
3019eca9 | 2687 | return 0; |
99c6a71d KN |
2688 | } |
2689 | ||
53df97a2 | 2690 | void pretty_print_ref(const char *name, const struct object_id *oid, |
e85fcb35 | 2691 | struct ref_format *format) |
2111aa79 LP |
2692 | { |
2693 | struct ref_array_item *ref_item; | |
22f69a85 ZH |
2694 | struct strbuf output = STRBUF_INIT; |
2695 | struct strbuf err = STRBUF_INIT; | |
2696 | ||
0ffaa00f | 2697 | ref_item = new_ref_array_item(name, oid); |
2111aa79 | 2698 | ref_item->kind = ref_kind_from_refname(name); |
22f69a85 ZH |
2699 | if (format_ref_array_item(ref_item, format, &output, &err)) |
2700 | die("%s", err.buf); | |
2701 | fwrite(output.buf, 1, output.len, stdout); | |
2702 | putchar('\n'); | |
2703 | ||
2704 | strbuf_release(&err); | |
2705 | strbuf_release(&output); | |
2111aa79 LP |
2706 | free_array_item(ref_item); |
2707 | } | |
2708 | ||
29ef53cd JK |
2709 | static int parse_sorting_atom(const char *atom) |
2710 | { | |
ab7ded34 JK |
2711 | /* |
2712 | * This parses an atom using a dummy ref_format, since we don't | |
2713 | * actually care about the formatting details. | |
2714 | */ | |
2715 | struct ref_format dummy = REF_FORMAT_INIT; | |
29ef53cd | 2716 | const char *end = atom + strlen(atom); |
e6ff7b3b OT |
2717 | struct strbuf err = STRBUF_INIT; |
2718 | int res = parse_ref_filter_atom(&dummy, atom, end, &err); | |
2719 | if (res < 0) | |
2720 | die("%s", err.buf); | |
2721 | strbuf_release(&err); | |
2722 | return res; | |
29ef53cd JK |
2723 | } |
2724 | ||
c95b7585 | 2725 | /* If no sorting option is given, use refname to sort as default */ |
98e7ab6d | 2726 | static struct ref_sorting *ref_default_sorting(void) |
c95b7585 KN |
2727 | { |
2728 | static const char cstr_name[] = "refname"; | |
2729 | ||
2730 | struct ref_sorting *sorting = xcalloc(1, sizeof(*sorting)); | |
2731 | ||
2732 | sorting->next = NULL; | |
29ef53cd | 2733 | sorting->atom = parse_sorting_atom(cstr_name); |
c95b7585 KN |
2734 | return sorting; |
2735 | } | |
2736 | ||
98e7ab6d | 2737 | static void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg) |
c95b7585 | 2738 | { |
c95b7585 | 2739 | struct ref_sorting *s; |
c95b7585 | 2740 | |
ca56dadb | 2741 | CALLOC_ARRAY(s, 1); |
c95b7585 KN |
2742 | s->next = *sorting_tail; |
2743 | *sorting_tail = s; | |
2744 | ||
2745 | if (*arg == '-') { | |
7c269a7b | 2746 | s->sort_flags |= REF_SORTING_REVERSE; |
c95b7585 KN |
2747 | arg++; |
2748 | } | |
90c00408 KN |
2749 | if (skip_prefix(arg, "version:", &arg) || |
2750 | skip_prefix(arg, "v:", &arg)) | |
7c269a7b | 2751 | s->sort_flags |= REF_SORTING_VERSION; |
29ef53cd | 2752 | s->atom = parse_sorting_atom(arg); |
18a25650 JK |
2753 | } |
2754 | ||
98e7ab6d | 2755 | struct ref_sorting *ref_sorting_options(struct string_list *options) |
18a25650 | 2756 | { |
98e7ab6d JH |
2757 | struct string_list_item *item; |
2758 | struct ref_sorting *sorting = NULL, **tail = &sorting; | |
2759 | ||
2760 | if (!options->nr) { | |
2761 | sorting = ref_default_sorting(); | |
2762 | } else { | |
2763 | for_each_string_list_item(item, options) | |
2764 | parse_ref_sorting(tail, item->string); | |
2765 | } | |
2766 | ||
95be717c | 2767 | /* |
98e7ab6d JH |
2768 | * From here on, the ref_sorting list should be used to talk |
2769 | * about the sort order used for the output. The caller | |
2770 | * should not touch the string form anymore. | |
95be717c | 2771 | */ |
98e7ab6d JH |
2772 | string_list_clear(options, 0); |
2773 | return sorting; | |
c95b7585 | 2774 | } |
5afcb905 | 2775 | |
e5fb0286 ÆAB |
2776 | void ref_sorting_release(struct ref_sorting *sorting) |
2777 | { | |
2778 | while (sorting) { | |
2779 | struct ref_sorting *next = sorting->next; | |
2780 | free(sorting); | |
2781 | sorting = next; | |
2782 | } | |
2783 | } | |
2784 | ||
5afcb905 KN |
2785 | int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) |
2786 | { | |
2787 | struct ref_filter *rf = opt->value; | |
1e43ed98 | 2788 | struct object_id oid; |
21bf9339 | 2789 | struct commit *merge_commit; |
5afcb905 | 2790 | |
517fe807 JK |
2791 | BUG_ON_OPT_NEG(unset); |
2792 | ||
d850b7a5 | 2793 | if (repo_get_oid(the_repository, arg, &oid)) |
5afcb905 KN |
2794 | die(_("malformed object name %s"), arg); |
2795 | ||
21bf9339 AL |
2796 | merge_commit = lookup_commit_reference_gently(the_repository, &oid, 0); |
2797 | ||
2798 | if (!merge_commit) | |
9440b831 | 2799 | return error(_("option `%s' must point to a commit"), opt->long_name); |
5afcb905 | 2800 | |
21bf9339 AL |
2801 | if (starts_with(opt->long_name, "no")) |
2802 | commit_list_insert(merge_commit, &rf->unreachable_from); | |
2803 | else | |
2804 | commit_list_insert(merge_commit, &rf->reachable_from); | |
2805 | ||
5afcb905 KN |
2806 | return 0; |
2807 | } |