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Commit | Line | Data |
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c95b7585 KN |
1 | #include "builtin.h" |
2 | #include "cache.h" | |
3 | #include "parse-options.h" | |
4 | #include "refs.h" | |
5 | #include "wildmatch.h" | |
6 | #include "commit.h" | |
7 | #include "remote.h" | |
8 | #include "color.h" | |
9 | #include "tag.h" | |
10 | #include "quote.h" | |
11 | #include "ref-filter.h" | |
35257aa0 | 12 | #include "revision.h" |
ce592082 | 13 | #include "utf8.h" |
90c00408 KN |
14 | #include "git-compat-util.h" |
15 | #include "version.h" | |
b1d31c89 | 16 | #include "trailer.h" |
d4919bb2 | 17 | #include "wt-status.h" |
a91aca44 | 18 | #include "commit-slab.h" |
c95b7585 | 19 | |
6eac70fa KN |
20 | static struct ref_msg { |
21 | const char *gone; | |
22 | const char *ahead; | |
23 | const char *behind; | |
24 | const char *ahead_behind; | |
25 | } msgs = { | |
26 | /* Untranslated plumbing messages: */ | |
27 | "gone", | |
28 | "ahead %d", | |
29 | "behind %d", | |
30 | "ahead %d, behind %d" | |
31 | }; | |
32 | ||
33 | void setup_ref_filter_porcelain_msg(void) | |
34 | { | |
35 | msgs.gone = _("gone"); | |
36 | msgs.ahead = _("ahead %d"); | |
37 | msgs.behind = _("behind %d"); | |
38 | msgs.ahead_behind = _("ahead %d, behind %d"); | |
39 | } | |
c95b7585 KN |
40 | |
41 | typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type; | |
4f3e3b37 | 42 | typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status; |
c95b7585 | 43 | |
5bd881d9 KN |
44 | struct align { |
45 | align_type position; | |
46 | unsigned int width; | |
47 | }; | |
48 | ||
c58492d4 | 49 | struct if_then_else { |
4f3e3b37 KN |
50 | cmp_status cmp_status; |
51 | const char *str; | |
c58492d4 KN |
52 | unsigned int then_atom_seen : 1, |
53 | else_atom_seen : 1, | |
54 | condition_satisfied : 1; | |
55 | }; | |
56 | ||
b180e6fe | 57 | struct refname_atom { |
1a34728e KN |
58 | enum { R_NORMAL, R_SHORT, R_LSTRIP, R_RSTRIP } option; |
59 | int lstrip, rstrip; | |
b180e6fe KN |
60 | }; |
61 | ||
50cd83dc KN |
62 | /* |
63 | * An atom is a valid field atom listed below, possibly prefixed with | |
64 | * a "*" to denote deref_tag(). | |
65 | * | |
66 | * We parse given format string and sort specifiers, and make a list | |
67 | * of properties that we need to extract out of objects. ref_array_item | |
68 | * structure will hold an array of values extracted that can be | |
69 | * indexed with the "atom number", which is an index into this | |
70 | * array. | |
71 | */ | |
b072add7 KN |
72 | static struct used_atom { |
73 | const char *name; | |
74 | cmp_type type; | |
fd935cc7 KN |
75 | union { |
76 | char color[COLOR_MAXLEN]; | |
5bd881d9 | 77 | struct align align; |
7743fcca | 78 | struct { |
cc72385f | 79 | enum { |
9700fae5 | 80 | RR_REF, RR_TRACK, RR_TRACKSHORT, RR_REMOTE_NAME, RR_REMOTE_REF |
cc72385f | 81 | } option; |
3ba308cb | 82 | struct refname_atom refname; |
cc72385f | 83 | unsigned int nobracket : 1, push : 1, push_remote : 1; |
7743fcca | 84 | } remote_ref; |
452db397 | 85 | struct { |
b1d31c89 | 86 | enum { C_BARE, C_BODY, C_BODY_DEP, C_LINES, C_SIG, C_SUB, C_TRAILERS } option; |
67a20a00 | 87 | struct process_trailer_options trailer_opts; |
452db397 KN |
88 | unsigned int nlines; |
89 | } contents; | |
4f3e3b37 KN |
90 | struct { |
91 | cmp_status cmp_status; | |
92 | const char *str; | |
93 | } if_then_else; | |
42d0eb05 KN |
94 | struct { |
95 | enum { O_FULL, O_LENGTH, O_SHORT } option; | |
96 | unsigned int length; | |
97 | } objectname; | |
b180e6fe | 98 | struct refname_atom refname; |
613a0e52 | 99 | char *head; |
fd935cc7 | 100 | } u; |
b072add7 | 101 | } *used_atom; |
50cd83dc | 102 | static int used_atom_cnt, need_tagged, need_symref; |
50cd83dc | 103 | |
e2e7a245 OT |
104 | /* |
105 | * Expand string, append it to strbuf *sb, then return error code ret. | |
106 | * Allow to save few lines of code. | |
107 | */ | |
108 | static int strbuf_addf_ret(struct strbuf *sb, int ret, const char *fmt, ...) | |
109 | { | |
110 | va_list ap; | |
111 | va_start(ap, fmt); | |
112 | strbuf_vaddf(sb, fmt, ap); | |
113 | va_end(ap); | |
114 | return ret; | |
115 | } | |
116 | ||
74efea94 OT |
117 | static int color_atom_parser(const struct ref_format *format, struct used_atom *atom, |
118 | const char *color_value, struct strbuf *err) | |
fd935cc7 KN |
119 | { |
120 | if (!color_value) | |
74efea94 | 121 | return strbuf_addf_ret(err, -1, _("expected format: %%(color:<color>)")); |
fd935cc7 | 122 | if (color_parse(color_value, atom->u.color) < 0) |
74efea94 OT |
123 | return strbuf_addf_ret(err, -1, _("unrecognized color: %%(color:%s)"), |
124 | color_value); | |
11b087ad JK |
125 | /* |
126 | * We check this after we've parsed the color, which lets us complain | |
127 | * about syntactically bogus color names even if they won't be used. | |
128 | */ | |
129 | if (!want_color(format->use_color)) | |
130 | color_parse("", atom->u.color); | |
74efea94 | 131 | return 0; |
fd935cc7 KN |
132 | } |
133 | ||
74efea94 OT |
134 | static int refname_atom_parser_internal(struct refname_atom *atom, const char *arg, |
135 | const char *name, struct strbuf *err) | |
5339bdad KN |
136 | { |
137 | if (!arg) | |
b180e6fe | 138 | atom->option = R_NORMAL; |
5339bdad | 139 | else if (!strcmp(arg, "short")) |
b180e6fe | 140 | atom->option = R_SHORT; |
44a6b6ce JH |
141 | else if (skip_prefix(arg, "lstrip=", &arg) || |
142 | skip_prefix(arg, "strip=", &arg)) { | |
17938f17 | 143 | atom->option = R_LSTRIP; |
1a0ca5e3 | 144 | if (strtol_i(arg, 10, &atom->lstrip)) |
74efea94 | 145 | return strbuf_addf_ret(err, -1, _("Integer value expected refname:lstrip=%s"), arg); |
1a34728e KN |
146 | } else if (skip_prefix(arg, "rstrip=", &arg)) { |
147 | atom->option = R_RSTRIP; | |
148 | if (strtol_i(arg, 10, &atom->rstrip)) | |
74efea94 | 149 | return strbuf_addf_ret(err, -1, _("Integer value expected refname:rstrip=%s"), arg); |
b180e6fe | 150 | } else |
74efea94 OT |
151 | return strbuf_addf_ret(err, -1, _("unrecognized %%(%s) argument: %s"), name, arg); |
152 | return 0; | |
b180e6fe KN |
153 | } |
154 | ||
74efea94 OT |
155 | static int remote_ref_atom_parser(const struct ref_format *format, struct used_atom *atom, |
156 | const char *arg, struct strbuf *err) | |
5339bdad | 157 | { |
7743fcca KN |
158 | struct string_list params = STRING_LIST_INIT_DUP; |
159 | int i; | |
160 | ||
cc72385f JS |
161 | if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:")) |
162 | atom->u.remote_ref.push = 1; | |
163 | ||
7743fcca | 164 | if (!arg) { |
3ba308cb | 165 | atom->u.remote_ref.option = RR_REF; |
74efea94 OT |
166 | return refname_atom_parser_internal(&atom->u.remote_ref.refname, |
167 | arg, atom->name, err); | |
7743fcca KN |
168 | } |
169 | ||
170 | atom->u.remote_ref.nobracket = 0; | |
171 | string_list_split(¶ms, arg, ',', -1); | |
172 | ||
173 | for (i = 0; i < params.nr; i++) { | |
174 | const char *s = params.items[i].string; | |
175 | ||
3ba308cb | 176 | if (!strcmp(s, "track")) |
7743fcca KN |
177 | atom->u.remote_ref.option = RR_TRACK; |
178 | else if (!strcmp(s, "trackshort")) | |
179 | atom->u.remote_ref.option = RR_TRACKSHORT; | |
180 | else if (!strcmp(s, "nobracket")) | |
181 | atom->u.remote_ref.nobracket = 1; | |
cc72385f JS |
182 | else if (!strcmp(s, "remotename")) { |
183 | atom->u.remote_ref.option = RR_REMOTE_NAME; | |
184 | atom->u.remote_ref.push_remote = 1; | |
9700fae5 W |
185 | } else if (!strcmp(s, "remoteref")) { |
186 | atom->u.remote_ref.option = RR_REMOTE_REF; | |
187 | atom->u.remote_ref.push_remote = 1; | |
cc72385f | 188 | } else { |
3ba308cb | 189 | atom->u.remote_ref.option = RR_REF; |
74efea94 OT |
190 | if (refname_atom_parser_internal(&atom->u.remote_ref.refname, |
191 | arg, atom->name, err)) { | |
192 | string_list_clear(¶ms, 0); | |
193 | return -1; | |
194 | } | |
3ba308cb | 195 | } |
7743fcca KN |
196 | } |
197 | ||
198 | string_list_clear(¶ms, 0); | |
74efea94 | 199 | return 0; |
5339bdad KN |
200 | } |
201 | ||
74efea94 OT |
202 | static int body_atom_parser(const struct ref_format *format, struct used_atom *atom, |
203 | const char *arg, struct strbuf *err) | |
452db397 KN |
204 | { |
205 | if (arg) | |
74efea94 | 206 | return strbuf_addf_ret(err, -1, _("%%(body) does not take arguments")); |
452db397 | 207 | atom->u.contents.option = C_BODY_DEP; |
74efea94 | 208 | return 0; |
452db397 KN |
209 | } |
210 | ||
74efea94 OT |
211 | static int subject_atom_parser(const struct ref_format *format, struct used_atom *atom, |
212 | const char *arg, struct strbuf *err) | |
452db397 KN |
213 | { |
214 | if (arg) | |
74efea94 | 215 | return strbuf_addf_ret(err, -1, _("%%(subject) does not take arguments")); |
452db397 | 216 | atom->u.contents.option = C_SUB; |
74efea94 | 217 | return 0; |
452db397 KN |
218 | } |
219 | ||
74efea94 OT |
220 | static int trailers_atom_parser(const struct ref_format *format, struct used_atom *atom, |
221 | const char *arg, struct strbuf *err) | |
b1d31c89 | 222 | { |
67a20a00 TB |
223 | struct string_list params = STRING_LIST_INIT_DUP; |
224 | int i; | |
225 | ||
226 | if (arg) { | |
227 | string_list_split(¶ms, arg, ',', -1); | |
228 | for (i = 0; i < params.nr; i++) { | |
229 | const char *s = params.items[i].string; | |
230 | if (!strcmp(s, "unfold")) | |
231 | atom->u.contents.trailer_opts.unfold = 1; | |
232 | else if (!strcmp(s, "only")) | |
233 | atom->u.contents.trailer_opts.only_trailers = 1; | |
74efea94 OT |
234 | else { |
235 | strbuf_addf(err, _("unknown %%(trailers) argument: %s"), s); | |
236 | string_list_clear(¶ms, 0); | |
237 | return -1; | |
238 | } | |
67a20a00 TB |
239 | } |
240 | } | |
b1d31c89 | 241 | atom->u.contents.option = C_TRAILERS; |
67a20a00 | 242 | string_list_clear(¶ms, 0); |
74efea94 | 243 | return 0; |
b1d31c89 JK |
244 | } |
245 | ||
74efea94 OT |
246 | static int contents_atom_parser(const struct ref_format *format, struct used_atom *atom, |
247 | const char *arg, struct strbuf *err) | |
452db397 KN |
248 | { |
249 | if (!arg) | |
250 | atom->u.contents.option = C_BARE; | |
251 | else if (!strcmp(arg, "body")) | |
252 | atom->u.contents.option = C_BODY; | |
253 | else if (!strcmp(arg, "signature")) | |
254 | atom->u.contents.option = C_SIG; | |
255 | else if (!strcmp(arg, "subject")) | |
256 | atom->u.contents.option = C_SUB; | |
7a5edbdb TB |
257 | else if (skip_prefix(arg, "trailers", &arg)) { |
258 | skip_prefix(arg, ":", &arg); | |
74efea94 OT |
259 | if (trailers_atom_parser(format, atom, *arg ? arg : NULL, err)) |
260 | return -1; | |
7a5edbdb | 261 | } else if (skip_prefix(arg, "lines=", &arg)) { |
452db397 KN |
262 | atom->u.contents.option = C_LINES; |
263 | if (strtoul_ui(arg, 10, &atom->u.contents.nlines)) | |
74efea94 | 264 | return strbuf_addf_ret(err, -1, _("positive value expected contents:lines=%s"), arg); |
452db397 | 265 | } else |
74efea94 OT |
266 | return strbuf_addf_ret(err, -1, _("unrecognized %%(contents) argument: %s"), arg); |
267 | return 0; | |
452db397 KN |
268 | } |
269 | ||
74efea94 OT |
270 | static int objectname_atom_parser(const struct ref_format *format, struct used_atom *atom, |
271 | const char *arg, struct strbuf *err) | |
fe63c4d1 KN |
272 | { |
273 | if (!arg) | |
42d0eb05 | 274 | atom->u.objectname.option = O_FULL; |
fe63c4d1 | 275 | else if (!strcmp(arg, "short")) |
42d0eb05 KN |
276 | atom->u.objectname.option = O_SHORT; |
277 | else if (skip_prefix(arg, "short=", &arg)) { | |
278 | atom->u.objectname.option = O_LENGTH; | |
279 | if (strtoul_ui(arg, 10, &atom->u.objectname.length) || | |
280 | atom->u.objectname.length == 0) | |
74efea94 | 281 | return strbuf_addf_ret(err, -1, _("positive value expected objectname:short=%s"), arg); |
42d0eb05 KN |
282 | if (atom->u.objectname.length < MINIMUM_ABBREV) |
283 | atom->u.objectname.length = MINIMUM_ABBREV; | |
284 | } else | |
74efea94 OT |
285 | return strbuf_addf_ret(err, -1, _("unrecognized %%(objectname) argument: %s"), arg); |
286 | return 0; | |
fe63c4d1 KN |
287 | } |
288 | ||
74efea94 OT |
289 | static int refname_atom_parser(const struct ref_format *format, struct used_atom *atom, |
290 | const char *arg, struct strbuf *err) | |
a7984101 | 291 | { |
74efea94 | 292 | return refname_atom_parser_internal(&atom->u.refname, arg, atom->name, err); |
a7984101 KN |
293 | } |
294 | ||
25a8d79e KN |
295 | static align_type parse_align_position(const char *s) |
296 | { | |
297 | if (!strcmp(s, "right")) | |
298 | return ALIGN_RIGHT; | |
299 | else if (!strcmp(s, "middle")) | |
300 | return ALIGN_MIDDLE; | |
301 | else if (!strcmp(s, "left")) | |
302 | return ALIGN_LEFT; | |
303 | return -1; | |
304 | } | |
305 | ||
74efea94 OT |
306 | static int align_atom_parser(const struct ref_format *format, struct used_atom *atom, |
307 | const char *arg, struct strbuf *err) | |
5bd881d9 KN |
308 | { |
309 | struct align *align = &atom->u.align; | |
310 | struct string_list params = STRING_LIST_INIT_DUP; | |
311 | int i; | |
312 | unsigned int width = ~0U; | |
313 | ||
314 | if (!arg) | |
74efea94 | 315 | return strbuf_addf_ret(err, -1, _("expected format: %%(align:<width>,<position>)")); |
5bd881d9 KN |
316 | |
317 | align->position = ALIGN_LEFT; | |
318 | ||
319 | string_list_split(¶ms, arg, ',', -1); | |
320 | for (i = 0; i < params.nr; i++) { | |
321 | const char *s = params.items[i].string; | |
322 | int position; | |
323 | ||
395fb8f9 KN |
324 | if (skip_prefix(s, "position=", &s)) { |
325 | position = parse_align_position(s); | |
74efea94 OT |
326 | if (position < 0) { |
327 | strbuf_addf(err, _("unrecognized position:%s"), s); | |
328 | string_list_clear(¶ms, 0); | |
329 | return -1; | |
330 | } | |
395fb8f9 KN |
331 | align->position = position; |
332 | } else if (skip_prefix(s, "width=", &s)) { | |
74efea94 OT |
333 | if (strtoul_ui(s, 10, &width)) { |
334 | strbuf_addf(err, _("unrecognized width:%s"), s); | |
335 | string_list_clear(¶ms, 0); | |
336 | return -1; | |
337 | } | |
395fb8f9 | 338 | } else if (!strtoul_ui(s, 10, &width)) |
5bd881d9 KN |
339 | ; |
340 | else if ((position = parse_align_position(s)) >= 0) | |
341 | align->position = position; | |
74efea94 OT |
342 | else { |
343 | strbuf_addf(err, _("unrecognized %%(align) argument: %s"), s); | |
344 | string_list_clear(¶ms, 0); | |
345 | return -1; | |
346 | } | |
5bd881d9 KN |
347 | } |
348 | ||
74efea94 OT |
349 | if (width == ~0U) { |
350 | string_list_clear(¶ms, 0); | |
351 | return strbuf_addf_ret(err, -1, _("positive width expected with the %%(align) atom")); | |
352 | } | |
5bd881d9 KN |
353 | align->width = width; |
354 | string_list_clear(¶ms, 0); | |
74efea94 | 355 | return 0; |
5bd881d9 KN |
356 | } |
357 | ||
74efea94 OT |
358 | static int if_atom_parser(const struct ref_format *format, struct used_atom *atom, |
359 | const char *arg, struct strbuf *err) | |
4f3e3b37 KN |
360 | { |
361 | if (!arg) { | |
362 | atom->u.if_then_else.cmp_status = COMPARE_NONE; | |
74efea94 | 363 | return 0; |
4f3e3b37 KN |
364 | } else if (skip_prefix(arg, "equals=", &atom->u.if_then_else.str)) { |
365 | atom->u.if_then_else.cmp_status = COMPARE_EQUAL; | |
366 | } else if (skip_prefix(arg, "notequals=", &atom->u.if_then_else.str)) { | |
367 | atom->u.if_then_else.cmp_status = COMPARE_UNEQUAL; | |
74efea94 OT |
368 | } else |
369 | return strbuf_addf_ret(err, -1, _("unrecognized %%(if) argument: %s"), arg); | |
370 | return 0; | |
4f3e3b37 KN |
371 | } |
372 | ||
74efea94 OT |
373 | static int head_atom_parser(const struct ref_format *format, struct used_atom *atom, |
374 | const char *arg, struct strbuf *unused_err) | |
613a0e52 | 375 | { |
efbd4fdf | 376 | atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL); |
74efea94 | 377 | return 0; |
613a0e52 | 378 | } |
4f3e3b37 | 379 | |
c95b7585 KN |
380 | static struct { |
381 | const char *name; | |
382 | cmp_type cmp_type; | |
74efea94 OT |
383 | int (*parser)(const struct ref_format *format, struct used_atom *atom, |
384 | const char *arg, struct strbuf *err); | |
c95b7585 | 385 | } valid_atom[] = { |
a7984101 | 386 | { "refname" , FIELD_STR, refname_atom_parser }, |
c95b7585 KN |
387 | { "objecttype" }, |
388 | { "objectsize", FIELD_ULONG }, | |
fe63c4d1 | 389 | { "objectname", FIELD_STR, objectname_atom_parser }, |
c95b7585 KN |
390 | { "tree" }, |
391 | { "parent" }, | |
392 | { "numparent", FIELD_ULONG }, | |
393 | { "object" }, | |
394 | { "type" }, | |
395 | { "tag" }, | |
396 | { "author" }, | |
397 | { "authorname" }, | |
398 | { "authoremail" }, | |
399 | { "authordate", FIELD_TIME }, | |
400 | { "committer" }, | |
401 | { "committername" }, | |
402 | { "committeremail" }, | |
403 | { "committerdate", FIELD_TIME }, | |
404 | { "tagger" }, | |
405 | { "taggername" }, | |
406 | { "taggeremail" }, | |
407 | { "taggerdate", FIELD_TIME }, | |
408 | { "creator" }, | |
409 | { "creatordate", FIELD_TIME }, | |
452db397 KN |
410 | { "subject", FIELD_STR, subject_atom_parser }, |
411 | { "body", FIELD_STR, body_atom_parser }, | |
b1d31c89 | 412 | { "trailers", FIELD_STR, trailers_atom_parser }, |
452db397 | 413 | { "contents", FIELD_STR, contents_atom_parser }, |
5339bdad KN |
414 | { "upstream", FIELD_STR, remote_ref_atom_parser }, |
415 | { "push", FIELD_STR, remote_ref_atom_parser }, | |
a7984101 | 416 | { "symref", FIELD_STR, refname_atom_parser }, |
c95b7585 | 417 | { "flag" }, |
613a0e52 | 418 | { "HEAD", FIELD_STR, head_atom_parser }, |
fd935cc7 | 419 | { "color", FIELD_STR, color_atom_parser }, |
5bd881d9 | 420 | { "align", FIELD_STR, align_atom_parser }, |
ce592082 | 421 | { "end" }, |
4f3e3b37 | 422 | { "if", FIELD_STR, if_atom_parser }, |
c58492d4 KN |
423 | { "then" }, |
424 | { "else" }, | |
c95b7585 KN |
425 | }; |
426 | ||
574e96a2 KN |
427 | #define REF_FORMATTING_STATE_INIT { 0, NULL } |
428 | ||
429 | struct ref_formatting_stack { | |
430 | struct ref_formatting_stack *prev; | |
431 | struct strbuf output; | |
c58492d4 | 432 | void (*at_end)(struct ref_formatting_stack **stack); |
ce592082 | 433 | void *at_end_data; |
574e96a2 KN |
434 | }; |
435 | ||
436 | struct ref_formatting_state { | |
437 | int quote_style; | |
438 | struct ref_formatting_stack *stack; | |
439 | }; | |
440 | ||
3a25761a KN |
441 | struct atom_value { |
442 | const char *s; | |
3fc8439c OT |
443 | int (*handler)(struct atom_value *atomv, struct ref_formatting_state *state, |
444 | struct strbuf *err); | |
e467dc14 | 445 | uintmax_t value; /* used for sorting when not FIELD_STR */ |
c58fc856 | 446 | struct used_atom *atom; |
3a25761a KN |
447 | }; |
448 | ||
c95b7585 KN |
449 | /* |
450 | * Used to parse format string and sort specifiers | |
451 | */ | |
ab7ded34 | 452 | static int parse_ref_filter_atom(const struct ref_format *format, |
e6ff7b3b OT |
453 | const char *atom, const char *ep, |
454 | struct strbuf *err) | |
c95b7585 KN |
455 | { |
456 | const char *sp; | |
4de707ea | 457 | const char *arg; |
e94ce139 | 458 | int i, at, atom_len; |
c95b7585 KN |
459 | |
460 | sp = atom; | |
461 | if (*sp == '*' && sp < ep) | |
462 | sp++; /* deref */ | |
463 | if (ep <= sp) | |
e6ff7b3b OT |
464 | return strbuf_addf_ret(err, -1, _("malformed field name: %.*s"), |
465 | (int)(ep-atom), atom); | |
c95b7585 KN |
466 | |
467 | /* Do we have the atom already used elsewhere? */ | |
468 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 KN |
469 | int len = strlen(used_atom[i].name); |
470 | if (len == ep - atom && !memcmp(used_atom[i].name, atom, len)) | |
c95b7585 KN |
471 | return i; |
472 | } | |
473 | ||
e94ce139 SG |
474 | /* |
475 | * If the atom name has a colon, strip it and everything after | |
476 | * it off - it specifies the format for this entry, and | |
477 | * shouldn't be used for checking against the valid_atom | |
478 | * table. | |
479 | */ | |
480 | arg = memchr(sp, ':', ep - sp); | |
481 | atom_len = (arg ? arg : ep) - sp; | |
482 | ||
c95b7585 KN |
483 | /* Is the atom a valid one? */ |
484 | for (i = 0; i < ARRAY_SIZE(valid_atom); i++) { | |
485 | int len = strlen(valid_atom[i].name); | |
e94ce139 | 486 | if (len == atom_len && !memcmp(valid_atom[i].name, sp, len)) |
c95b7585 KN |
487 | break; |
488 | } | |
489 | ||
490 | if (ARRAY_SIZE(valid_atom) <= i) | |
e6ff7b3b OT |
491 | return strbuf_addf_ret(err, -1, _("unknown field name: %.*s"), |
492 | (int)(ep-atom), atom); | |
c95b7585 KN |
493 | |
494 | /* Add it in, including the deref prefix */ | |
495 | at = used_atom_cnt; | |
496 | used_atom_cnt++; | |
497 | REALLOC_ARRAY(used_atom, used_atom_cnt); | |
b072add7 KN |
498 | used_atom[at].name = xmemdupz(atom, ep - atom); |
499 | used_atom[at].type = valid_atom[i].cmp_type; | |
bea4dbea | 500 | if (arg) { |
4de707ea | 501 | arg = used_atom[at].name + (arg - atom) + 1; |
bea4dbea TB |
502 | if (!*arg) { |
503 | /* | |
504 | * Treat empty sub-arguments list as NULL (i.e., | |
505 | * "%(atom:)" is equivalent to "%(atom)"). | |
506 | */ | |
507 | arg = NULL; | |
508 | } | |
509 | } | |
fd935cc7 | 510 | memset(&used_atom[at].u, 0, sizeof(used_atom[at].u)); |
74efea94 OT |
511 | if (valid_atom[i].parser && valid_atom[i].parser(format, &used_atom[at], arg, err)) |
512 | return -1; | |
c95b7585 KN |
513 | if (*atom == '*') |
514 | need_tagged = 1; | |
01f95825 | 515 | if (!strcmp(valid_atom[i].name, "symref")) |
c95b7585 KN |
516 | need_symref = 1; |
517 | return at; | |
518 | } | |
519 | ||
63d89fbc KN |
520 | static void quote_formatting(struct strbuf *s, const char *str, int quote_style) |
521 | { | |
522 | switch (quote_style) { | |
523 | case QUOTE_NONE: | |
524 | strbuf_addstr(s, str); | |
525 | break; | |
526 | case QUOTE_SHELL: | |
527 | sq_quote_buf(s, str); | |
528 | break; | |
529 | case QUOTE_PERL: | |
530 | perl_quote_buf(s, str); | |
531 | break; | |
532 | case QUOTE_PYTHON: | |
533 | python_quote_buf(s, str); | |
534 | break; | |
535 | case QUOTE_TCL: | |
536 | tcl_quote_buf(s, str); | |
537 | break; | |
538 | } | |
539 | } | |
540 | ||
3fc8439c OT |
541 | static int append_atom(struct atom_value *v, struct ref_formatting_state *state, |
542 | struct strbuf *unused_err) | |
63d89fbc | 543 | { |
ce592082 KN |
544 | /* |
545 | * Quote formatting is only done when the stack has a single | |
546 | * element. Otherwise quote formatting is done on the | |
547 | * element's entire output strbuf when the %(end) atom is | |
548 | * encountered. | |
549 | */ | |
550 | if (!state->stack->prev) | |
551 | quote_formatting(&state->stack->output, v->s, state->quote_style); | |
552 | else | |
553 | strbuf_addstr(&state->stack->output, v->s); | |
3fc8439c | 554 | return 0; |
63d89fbc KN |
555 | } |
556 | ||
574e96a2 KN |
557 | static void push_stack_element(struct ref_formatting_stack **stack) |
558 | { | |
559 | struct ref_formatting_stack *s = xcalloc(1, sizeof(struct ref_formatting_stack)); | |
560 | ||
561 | strbuf_init(&s->output, 0); | |
562 | s->prev = *stack; | |
563 | *stack = s; | |
564 | } | |
565 | ||
566 | static void pop_stack_element(struct ref_formatting_stack **stack) | |
567 | { | |
568 | struct ref_formatting_stack *current = *stack; | |
569 | struct ref_formatting_stack *prev = current->prev; | |
570 | ||
571 | if (prev) | |
572 | strbuf_addbuf(&prev->output, ¤t->output); | |
573 | strbuf_release(¤t->output); | |
574 | free(current); | |
575 | *stack = prev; | |
576 | } | |
577 | ||
c58492d4 | 578 | static void end_align_handler(struct ref_formatting_stack **stack) |
ce592082 | 579 | { |
c58492d4 KN |
580 | struct ref_formatting_stack *cur = *stack; |
581 | struct align *align = (struct align *)cur->at_end_data; | |
ce592082 KN |
582 | struct strbuf s = STRBUF_INIT; |
583 | ||
c58492d4 KN |
584 | strbuf_utf8_align(&s, align->position, align->width, cur->output.buf); |
585 | strbuf_swap(&cur->output, &s); | |
ce592082 KN |
586 | strbuf_release(&s); |
587 | } | |
588 | ||
3fc8439c OT |
589 | static int align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
590 | struct strbuf *unused_err) | |
ce592082 | 591 | { |
1472b5bf | 592 | struct ref_formatting_stack *new_stack; |
ce592082 KN |
593 | |
594 | push_stack_element(&state->stack); | |
1472b5bf BW |
595 | new_stack = state->stack; |
596 | new_stack->at_end = end_align_handler; | |
597 | new_stack->at_end_data = &atomv->atom->u.align; | |
3fc8439c | 598 | return 0; |
ce592082 KN |
599 | } |
600 | ||
c58492d4 KN |
601 | static void if_then_else_handler(struct ref_formatting_stack **stack) |
602 | { | |
603 | struct ref_formatting_stack *cur = *stack; | |
604 | struct ref_formatting_stack *prev = cur->prev; | |
605 | struct if_then_else *if_then_else = (struct if_then_else *)cur->at_end_data; | |
606 | ||
607 | if (!if_then_else->then_atom_seen) | |
608 | die(_("format: %%(if) atom used without a %%(then) atom")); | |
609 | ||
610 | if (if_then_else->else_atom_seen) { | |
611 | /* | |
612 | * There is an %(else) atom: we need to drop one state from the | |
613 | * stack, either the %(else) branch if the condition is satisfied, or | |
614 | * the %(then) branch if it isn't. | |
615 | */ | |
616 | if (if_then_else->condition_satisfied) { | |
617 | strbuf_reset(&cur->output); | |
618 | pop_stack_element(&cur); | |
619 | } else { | |
620 | strbuf_swap(&cur->output, &prev->output); | |
621 | strbuf_reset(&cur->output); | |
622 | pop_stack_element(&cur); | |
623 | } | |
624 | } else if (!if_then_else->condition_satisfied) { | |
625 | /* | |
626 | * No %(else) atom: just drop the %(then) branch if the | |
627 | * condition is not satisfied. | |
628 | */ | |
629 | strbuf_reset(&cur->output); | |
630 | } | |
631 | ||
632 | *stack = cur; | |
633 | free(if_then_else); | |
634 | } | |
635 | ||
3fc8439c OT |
636 | static int if_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
637 | struct strbuf *unused_err) | |
c58492d4 | 638 | { |
1472b5bf | 639 | struct ref_formatting_stack *new_stack; |
c58492d4 KN |
640 | struct if_then_else *if_then_else = xcalloc(sizeof(struct if_then_else), 1); |
641 | ||
4f3e3b37 KN |
642 | if_then_else->str = atomv->atom->u.if_then_else.str; |
643 | if_then_else->cmp_status = atomv->atom->u.if_then_else.cmp_status; | |
644 | ||
c58492d4 | 645 | push_stack_element(&state->stack); |
1472b5bf BW |
646 | new_stack = state->stack; |
647 | new_stack->at_end = if_then_else_handler; | |
648 | new_stack->at_end_data = if_then_else; | |
3fc8439c | 649 | return 0; |
c58492d4 KN |
650 | } |
651 | ||
652 | static int is_empty(const char *s) | |
653 | { | |
654 | while (*s != '\0') { | |
655 | if (!isspace(*s)) | |
656 | return 0; | |
657 | s++; | |
658 | } | |
659 | return 1; | |
660 | } | |
661 | ||
3fc8439c OT |
662 | static int then_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
663 | struct strbuf *err) | |
c58492d4 KN |
664 | { |
665 | struct ref_formatting_stack *cur = state->stack; | |
666 | struct if_then_else *if_then_else = NULL; | |
667 | ||
668 | if (cur->at_end == if_then_else_handler) | |
669 | if_then_else = (struct if_then_else *)cur->at_end_data; | |
670 | if (!if_then_else) | |
3fc8439c | 671 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used without an %%(if) atom")); |
c58492d4 | 672 | if (if_then_else->then_atom_seen) |
3fc8439c | 673 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used more than once")); |
c58492d4 | 674 | if (if_then_else->else_atom_seen) |
3fc8439c | 675 | return strbuf_addf_ret(err, -1, _("format: %%(then) atom used after %%(else)")); |
c58492d4 KN |
676 | if_then_else->then_atom_seen = 1; |
677 | /* | |
4f3e3b37 KN |
678 | * If the 'equals' or 'notequals' attribute is used then |
679 | * perform the required comparison. If not, only non-empty | |
680 | * strings satisfy the 'if' condition. | |
c58492d4 | 681 | */ |
4f3e3b37 KN |
682 | if (if_then_else->cmp_status == COMPARE_EQUAL) { |
683 | if (!strcmp(if_then_else->str, cur->output.buf)) | |
684 | if_then_else->condition_satisfied = 1; | |
685 | } else if (if_then_else->cmp_status == COMPARE_UNEQUAL) { | |
686 | if (strcmp(if_then_else->str, cur->output.buf)) | |
687 | if_then_else->condition_satisfied = 1; | |
688 | } else if (cur->output.len && !is_empty(cur->output.buf)) | |
c58492d4 KN |
689 | if_then_else->condition_satisfied = 1; |
690 | strbuf_reset(&cur->output); | |
3fc8439c | 691 | return 0; |
c58492d4 KN |
692 | } |
693 | ||
3fc8439c OT |
694 | static int else_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
695 | struct strbuf *err) | |
c58492d4 KN |
696 | { |
697 | struct ref_formatting_stack *prev = state->stack; | |
698 | struct if_then_else *if_then_else = NULL; | |
699 | ||
700 | if (prev->at_end == if_then_else_handler) | |
701 | if_then_else = (struct if_then_else *)prev->at_end_data; | |
702 | if (!if_then_else) | |
3fc8439c | 703 | return strbuf_addf_ret(err, -1, _("format: %%(else) atom used without an %%(if) atom")); |
c58492d4 | 704 | if (!if_then_else->then_atom_seen) |
3fc8439c | 705 | return strbuf_addf_ret(err, -1, _("format: %%(else) atom used without a %%(then) atom")); |
c58492d4 | 706 | if (if_then_else->else_atom_seen) |
3fc8439c | 707 | return strbuf_addf_ret(err, -1, _("format: %%(else) atom used more than once")); |
c58492d4 KN |
708 | if_then_else->else_atom_seen = 1; |
709 | push_stack_element(&state->stack); | |
710 | state->stack->at_end_data = prev->at_end_data; | |
711 | state->stack->at_end = prev->at_end; | |
3fc8439c | 712 | return 0; |
ce592082 KN |
713 | } |
714 | ||
3fc8439c OT |
715 | static int end_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, |
716 | struct strbuf *err) | |
ce592082 KN |
717 | { |
718 | struct ref_formatting_stack *current = state->stack; | |
719 | struct strbuf s = STRBUF_INIT; | |
720 | ||
721 | if (!current->at_end) | |
3fc8439c | 722 | return strbuf_addf_ret(err, -1, _("format: %%(end) atom used without corresponding atom")); |
c58492d4 KN |
723 | current->at_end(&state->stack); |
724 | ||
725 | /* Stack may have been popped within at_end(), hence reset the current pointer */ | |
726 | current = state->stack; | |
ce592082 KN |
727 | |
728 | /* | |
729 | * Perform quote formatting when the stack element is that of | |
730 | * a supporting atom. If nested then perform quote formatting | |
731 | * only on the topmost supporting atom. | |
732 | */ | |
c58492d4 | 733 | if (!current->prev->prev) { |
ce592082 KN |
734 | quote_formatting(&s, current->output.buf, state->quote_style); |
735 | strbuf_swap(¤t->output, &s); | |
736 | } | |
737 | strbuf_release(&s); | |
738 | pop_stack_element(&state->stack); | |
3fc8439c | 739 | return 0; |
ce592082 KN |
740 | } |
741 | ||
c95b7585 KN |
742 | /* |
743 | * In a format string, find the next occurrence of %(atom). | |
744 | */ | |
745 | static const char *find_next(const char *cp) | |
746 | { | |
747 | while (*cp) { | |
748 | if (*cp == '%') { | |
749 | /* | |
750 | * %( is the start of an atom; | |
751 | * %% is a quoted per-cent. | |
752 | */ | |
753 | if (cp[1] == '(') | |
754 | return cp; | |
755 | else if (cp[1] == '%') | |
756 | cp++; /* skip over two % */ | |
757 | /* otherwise this is a singleton, literal % */ | |
758 | } | |
759 | cp++; | |
760 | } | |
761 | return NULL; | |
762 | } | |
763 | ||
764 | /* | |
765 | * Make sure the format string is well formed, and parse out | |
766 | * the used atoms. | |
767 | */ | |
4a68e36d | 768 | int verify_ref_format(struct ref_format *format) |
c95b7585 KN |
769 | { |
770 | const char *cp, *sp; | |
771 | ||
bf285ae6 | 772 | format->need_color_reset_at_eol = 0; |
4a68e36d | 773 | for (cp = format->format; *cp && (sp = find_next(cp)); ) { |
e6ff7b3b | 774 | struct strbuf err = STRBUF_INIT; |
c95b7585 KN |
775 | const char *color, *ep = strchr(sp, ')'); |
776 | int at; | |
777 | ||
778 | if (!ep) | |
1823c619 | 779 | return error(_("malformed format string %s"), sp); |
c95b7585 | 780 | /* sp points at "%(" and ep points at the closing ")" */ |
e6ff7b3b OT |
781 | at = parse_ref_filter_atom(format, sp + 2, ep, &err); |
782 | if (at < 0) | |
783 | die("%s", err.buf); | |
c95b7585 KN |
784 | cp = ep + 1; |
785 | ||
b072add7 | 786 | if (skip_prefix(used_atom[at].name, "color:", &color)) |
bf285ae6 | 787 | format->need_color_reset_at_eol = !!strcmp(color, "reset"); |
e6ff7b3b | 788 | strbuf_release(&err); |
c95b7585 | 789 | } |
11b087ad JK |
790 | if (format->need_color_reset_at_eol && !want_color(format->use_color)) |
791 | format->need_color_reset_at_eol = 0; | |
c95b7585 KN |
792 | return 0; |
793 | } | |
794 | ||
795 | /* | |
796 | * Given an object name, read the object data and size, and return a | |
797 | * "struct object". If the object data we are returning is also borrowed | |
798 | * by the "struct object" representation, set *eaten as well---it is a | |
799 | * signal from parse_object_buffer to us not to free the buffer. | |
800 | */ | |
9850fe5d | 801 | static void *get_obj(const struct object_id *oid, struct object **obj, unsigned long *sz, int *eaten) |
c95b7585 KN |
802 | { |
803 | enum object_type type; | |
b4f5aca4 | 804 | void *buf = read_object_file(oid, &type, sz); |
c95b7585 KN |
805 | |
806 | if (buf) | |
c251c83d | 807 | *obj = parse_object_buffer(oid, type, *sz, buf, eaten); |
c95b7585 KN |
808 | else |
809 | *obj = NULL; | |
810 | return buf; | |
811 | } | |
812 | ||
17769795 | 813 | static int grab_objectname(const char *name, const struct object_id *oid, |
fe63c4d1 | 814 | struct atom_value *v, struct used_atom *atom) |
c95b7585 | 815 | { |
fe63c4d1 | 816 | if (starts_with(name, "objectname")) { |
42d0eb05 | 817 | if (atom->u.objectname.option == O_SHORT) { |
aab9583f | 818 | v->s = xstrdup(find_unique_abbrev(oid, DEFAULT_ABBREV)); |
fe63c4d1 | 819 | return 1; |
42d0eb05 | 820 | } else if (atom->u.objectname.option == O_FULL) { |
17769795 | 821 | v->s = xstrdup(oid_to_hex(oid)); |
fe63c4d1 | 822 | return 1; |
42d0eb05 | 823 | } else if (atom->u.objectname.option == O_LENGTH) { |
aab9583f | 824 | v->s = xstrdup(find_unique_abbrev(oid, atom->u.objectname.length)); |
42d0eb05 | 825 | return 1; |
fe63c4d1 KN |
826 | } else |
827 | die("BUG: unknown %%(objectname) option"); | |
c95b7585 KN |
828 | } |
829 | return 0; | |
830 | } | |
831 | ||
832 | /* See grab_values */ | |
833 | static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
834 | { | |
835 | int i; | |
836 | ||
837 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 838 | const char *name = used_atom[i].name; |
c95b7585 KN |
839 | struct atom_value *v = &val[i]; |
840 | if (!!deref != (*name == '*')) | |
841 | continue; | |
842 | if (deref) | |
843 | name++; | |
844 | if (!strcmp(name, "objecttype")) | |
debca9d2 | 845 | v->s = type_name(obj->type); |
c95b7585 | 846 | else if (!strcmp(name, "objectsize")) { |
e467dc14 | 847 | v->value = sz; |
a5e03bf5 | 848 | v->s = xstrfmt("%lu", sz); |
c95b7585 KN |
849 | } |
850 | else if (deref) | |
17769795 | 851 | grab_objectname(name, &obj->oid, v, &used_atom[i]); |
c95b7585 KN |
852 | } |
853 | } | |
854 | ||
855 | /* See grab_values */ | |
856 | static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
857 | { | |
858 | int i; | |
859 | struct tag *tag = (struct tag *) obj; | |
860 | ||
861 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 862 | const char *name = used_atom[i].name; |
c95b7585 KN |
863 | struct atom_value *v = &val[i]; |
864 | if (!!deref != (*name == '*')) | |
865 | continue; | |
866 | if (deref) | |
867 | name++; | |
868 | if (!strcmp(name, "tag")) | |
869 | v->s = tag->tag; | |
870 | else if (!strcmp(name, "type") && tag->tagged) | |
debca9d2 | 871 | v->s = type_name(tag->tagged->type); |
a5e03bf5 | 872 | else if (!strcmp(name, "object") && tag->tagged) |
f2fd0760 | 873 | v->s = xstrdup(oid_to_hex(&tag->tagged->oid)); |
c95b7585 KN |
874 | } |
875 | } | |
876 | ||
877 | /* See grab_values */ | |
878 | static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
879 | { | |
880 | int i; | |
881 | struct commit *commit = (struct commit *) obj; | |
882 | ||
883 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 884 | const char *name = used_atom[i].name; |
c95b7585 KN |
885 | struct atom_value *v = &val[i]; |
886 | if (!!deref != (*name == '*')) | |
887 | continue; | |
888 | if (deref) | |
889 | name++; | |
890 | if (!strcmp(name, "tree")) { | |
f2fd0760 | 891 | v->s = xstrdup(oid_to_hex(&commit->tree->object.oid)); |
c95b7585 | 892 | } |
a5e03bf5 | 893 | else if (!strcmp(name, "numparent")) { |
e467dc14 JS |
894 | v->value = commit_list_count(commit->parents); |
895 | v->s = xstrfmt("%lu", (unsigned long)v->value); | |
c95b7585 KN |
896 | } |
897 | else if (!strcmp(name, "parent")) { | |
c95b7585 | 898 | struct commit_list *parents; |
a5e03bf5 JK |
899 | struct strbuf s = STRBUF_INIT; |
900 | for (parents = commit->parents; parents; parents = parents->next) { | |
c95b7585 | 901 | struct commit *parent = parents->item; |
a5e03bf5 JK |
902 | if (parents != commit->parents) |
903 | strbuf_addch(&s, ' '); | |
f2fd0760 | 904 | strbuf_addstr(&s, oid_to_hex(&parent->object.oid)); |
c95b7585 | 905 | } |
a5e03bf5 | 906 | v->s = strbuf_detach(&s, NULL); |
c95b7585 KN |
907 | } |
908 | } | |
909 | } | |
910 | ||
911 | static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz) | |
912 | { | |
913 | const char *eol; | |
914 | while (*buf) { | |
915 | if (!strncmp(buf, who, wholen) && | |
916 | buf[wholen] == ' ') | |
917 | return buf + wholen + 1; | |
918 | eol = strchr(buf, '\n'); | |
919 | if (!eol) | |
920 | return ""; | |
921 | eol++; | |
922 | if (*eol == '\n') | |
923 | return ""; /* end of header */ | |
924 | buf = eol; | |
925 | } | |
926 | return ""; | |
927 | } | |
928 | ||
929 | static const char *copy_line(const char *buf) | |
930 | { | |
931 | const char *eol = strchrnul(buf, '\n'); | |
932 | return xmemdupz(buf, eol - buf); | |
933 | } | |
934 | ||
935 | static const char *copy_name(const char *buf) | |
936 | { | |
937 | const char *cp; | |
938 | for (cp = buf; *cp && *cp != '\n'; cp++) { | |
939 | if (!strncmp(cp, " <", 2)) | |
940 | return xmemdupz(buf, cp - buf); | |
941 | } | |
942 | return ""; | |
943 | } | |
944 | ||
945 | static const char *copy_email(const char *buf) | |
946 | { | |
947 | const char *email = strchr(buf, '<'); | |
948 | const char *eoemail; | |
949 | if (!email) | |
950 | return ""; | |
951 | eoemail = strchr(email, '>'); | |
952 | if (!eoemail) | |
953 | return ""; | |
954 | return xmemdupz(email, eoemail + 1 - email); | |
955 | } | |
956 | ||
957 | static char *copy_subject(const char *buf, unsigned long len) | |
958 | { | |
959 | char *r = xmemdupz(buf, len); | |
960 | int i; | |
961 | ||
962 | for (i = 0; i < len; i++) | |
963 | if (r[i] == '\n') | |
964 | r[i] = ' '; | |
965 | ||
966 | return r; | |
967 | } | |
968 | ||
969 | static void grab_date(const char *buf, struct atom_value *v, const char *atomname) | |
970 | { | |
971 | const char *eoemail = strstr(buf, "> "); | |
972 | char *zone; | |
dddbad72 | 973 | timestamp_t timestamp; |
c95b7585 | 974 | long tz; |
d939af12 | 975 | struct date_mode date_mode = { DATE_NORMAL }; |
c95b7585 KN |
976 | const char *formatp; |
977 | ||
978 | /* | |
979 | * We got here because atomname ends in "date" or "date<something>"; | |
980 | * it's not possible that <something> is not ":<format>" because | |
981 | * parse_ref_filter_atom() wouldn't have allowed it, so we can assume that no | |
982 | * ":" means no format is specified, and use the default. | |
983 | */ | |
984 | formatp = strchr(atomname, ':'); | |
985 | if (formatp != NULL) { | |
986 | formatp++; | |
d939af12 | 987 | parse_date_format(formatp, &date_mode); |
c95b7585 KN |
988 | } |
989 | ||
990 | if (!eoemail) | |
991 | goto bad; | |
1aeb7e75 | 992 | timestamp = parse_timestamp(eoemail + 2, &zone, 10); |
dddbad72 | 993 | if (timestamp == TIME_MAX) |
c95b7585 KN |
994 | goto bad; |
995 | tz = strtol(zone, NULL, 10); | |
996 | if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE) | |
997 | goto bad; | |
d939af12 | 998 | v->s = xstrdup(show_date(timestamp, tz, &date_mode)); |
e467dc14 | 999 | v->value = timestamp; |
c95b7585 KN |
1000 | return; |
1001 | bad: | |
1002 | v->s = ""; | |
e467dc14 | 1003 | v->value = 0; |
c95b7585 KN |
1004 | } |
1005 | ||
1006 | /* See grab_values */ | |
1007 | static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
1008 | { | |
1009 | int i; | |
1010 | int wholen = strlen(who); | |
1011 | const char *wholine = NULL; | |
1012 | ||
1013 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1014 | const char *name = used_atom[i].name; |
c95b7585 KN |
1015 | struct atom_value *v = &val[i]; |
1016 | if (!!deref != (*name == '*')) | |
1017 | continue; | |
1018 | if (deref) | |
1019 | name++; | |
1020 | if (strncmp(who, name, wholen)) | |
1021 | continue; | |
1022 | if (name[wholen] != 0 && | |
1023 | strcmp(name + wholen, "name") && | |
1024 | strcmp(name + wholen, "email") && | |
1025 | !starts_with(name + wholen, "date")) | |
1026 | continue; | |
1027 | if (!wholine) | |
1028 | wholine = find_wholine(who, wholen, buf, sz); | |
1029 | if (!wholine) | |
1030 | return; /* no point looking for it */ | |
1031 | if (name[wholen] == 0) | |
1032 | v->s = copy_line(wholine); | |
1033 | else if (!strcmp(name + wholen, "name")) | |
1034 | v->s = copy_name(wholine); | |
1035 | else if (!strcmp(name + wholen, "email")) | |
1036 | v->s = copy_email(wholine); | |
1037 | else if (starts_with(name + wholen, "date")) | |
1038 | grab_date(wholine, v, name); | |
1039 | } | |
1040 | ||
1041 | /* | |
1042 | * For a tag or a commit object, if "creator" or "creatordate" is | |
1043 | * requested, do something special. | |
1044 | */ | |
1045 | if (strcmp(who, "tagger") && strcmp(who, "committer")) | |
1046 | return; /* "author" for commit object is not wanted */ | |
1047 | if (!wholine) | |
1048 | wholine = find_wholine(who, wholen, buf, sz); | |
1049 | if (!wholine) | |
1050 | return; | |
1051 | for (i = 0; i < used_atom_cnt; i++) { | |
b072add7 | 1052 | const char *name = used_atom[i].name; |
c95b7585 KN |
1053 | struct atom_value *v = &val[i]; |
1054 | if (!!deref != (*name == '*')) | |
1055 | continue; | |
1056 | if (deref) | |
1057 | name++; | |
1058 | ||
1059 | if (starts_with(name, "creatordate")) | |
1060 | grab_date(wholine, v, name); | |
1061 | else if (!strcmp(name, "creator")) | |
1062 | v->s = copy_line(wholine); | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | static void find_subpos(const char *buf, unsigned long sz, | |
1067 | const char **sub, unsigned long *sublen, | |
1068 | const char **body, unsigned long *bodylen, | |
1069 | unsigned long *nonsiglen, | |
1070 | const char **sig, unsigned long *siglen) | |
1071 | { | |
1072 | const char *eol; | |
1073 | /* skip past header until we hit empty line */ | |
1074 | while (*buf && *buf != '\n') { | |
1075 | eol = strchrnul(buf, '\n'); | |
1076 | if (*eol) | |
1077 | eol++; | |
1078 | buf = eol; | |
1079 | } | |
1080 | /* skip any empty lines */ | |
1081 | while (*buf == '\n') | |
1082 | buf++; | |
1083 | ||
1084 | /* parse signature first; we might not even have a subject line */ | |
1085 | *sig = buf + parse_signature(buf, strlen(buf)); | |
1086 | *siglen = strlen(*sig); | |
1087 | ||
1088 | /* subject is first non-empty line */ | |
1089 | *sub = buf; | |
1090 | /* subject goes to first empty line */ | |
1091 | while (buf < *sig && *buf && *buf != '\n') { | |
1092 | eol = strchrnul(buf, '\n'); | |
1093 | if (*eol) | |
1094 | eol++; | |
1095 | buf = eol; | |
1096 | } | |
1097 | *sublen = buf - *sub; | |
1098 | /* drop trailing newline, if present */ | |
1099 | if (*sublen && (*sub)[*sublen - 1] == '\n') | |
1100 | *sublen -= 1; | |
1101 | ||
1102 | /* skip any empty lines */ | |
1103 | while (*buf == '\n') | |
1104 | buf++; | |
1105 | *body = buf; | |
1106 | *bodylen = strlen(buf); | |
1107 | *nonsiglen = *sig - buf; | |
1108 | } | |
1109 | ||
1bb38e5a KN |
1110 | /* |
1111 | * If 'lines' is greater than 0, append that many lines from the given | |
1112 | * 'buf' of length 'size' to the given strbuf. | |
1113 | */ | |
1114 | static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines) | |
1115 | { | |
1116 | int i; | |
1117 | const char *sp, *eol; | |
1118 | size_t len; | |
1119 | ||
1120 | sp = buf; | |
1121 | ||
1122 | for (i = 0; i < lines && sp < buf + size; i++) { | |
1123 | if (i) | |
1124 | strbuf_addstr(out, "\n "); | |
1125 | eol = memchr(sp, '\n', size - (sp - buf)); | |
1126 | len = eol ? eol - sp : size - (sp - buf); | |
1127 | strbuf_add(out, sp, len); | |
1128 | if (!eol) | |
1129 | break; | |
1130 | sp = eol + 1; | |
1131 | } | |
1132 | } | |
1133 | ||
c95b7585 KN |
1134 | /* See grab_values */ |
1135 | static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
1136 | { | |
1137 | int i; | |
1138 | const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; | |
1139 | unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; | |
1140 | ||
1141 | for (i = 0; i < used_atom_cnt; i++) { | |
452db397 KN |
1142 | struct used_atom *atom = &used_atom[i]; |
1143 | const char *name = atom->name; | |
c95b7585 KN |
1144 | struct atom_value *v = &val[i]; |
1145 | if (!!deref != (*name == '*')) | |
1146 | continue; | |
1147 | if (deref) | |
1148 | name++; | |
1149 | if (strcmp(name, "subject") && | |
1150 | strcmp(name, "body") && | |
67a20a00 | 1151 | !starts_with(name, "trailers") && |
452db397 | 1152 | !starts_with(name, "contents")) |
c95b7585 KN |
1153 | continue; |
1154 | if (!subpos) | |
1155 | find_subpos(buf, sz, | |
1156 | &subpos, &sublen, | |
1157 | &bodypos, &bodylen, &nonsiglen, | |
1158 | &sigpos, &siglen); | |
1159 | ||
452db397 | 1160 | if (atom->u.contents.option == C_SUB) |
c95b7585 | 1161 | v->s = copy_subject(subpos, sublen); |
452db397 | 1162 | else if (atom->u.contents.option == C_BODY_DEP) |
c95b7585 | 1163 | v->s = xmemdupz(bodypos, bodylen); |
452db397 | 1164 | else if (atom->u.contents.option == C_BODY) |
c95b7585 | 1165 | v->s = xmemdupz(bodypos, nonsiglen); |
452db397 | 1166 | else if (atom->u.contents.option == C_SIG) |
c95b7585 | 1167 | v->s = xmemdupz(sigpos, siglen); |
452db397 | 1168 | else if (atom->u.contents.option == C_LINES) { |
1bb38e5a KN |
1169 | struct strbuf s = STRBUF_INIT; |
1170 | const char *contents_end = bodylen + bodypos - siglen; | |
1171 | ||
1bb38e5a | 1172 | /* Size is the length of the message after removing the signature */ |
452db397 | 1173 | append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines); |
1bb38e5a | 1174 | v->s = strbuf_detach(&s, NULL); |
b1d31c89 | 1175 | } else if (atom->u.contents.option == C_TRAILERS) { |
67a20a00 | 1176 | struct strbuf s = STRBUF_INIT; |
b1d31c89 | 1177 | |
67a20a00 TB |
1178 | /* Format the trailer info according to the trailer_opts given */ |
1179 | format_trailers_from_commit(&s, subpos, &atom->u.contents.trailer_opts); | |
1180 | ||
1181 | v->s = strbuf_detach(&s, NULL); | |
452db397 KN |
1182 | } else if (atom->u.contents.option == C_BARE) |
1183 | v->s = xstrdup(subpos); | |
c95b7585 KN |
1184 | } |
1185 | } | |
1186 | ||
1187 | /* | |
1188 | * We want to have empty print-string for field requests | |
1189 | * that do not apply (e.g. "authordate" for a tag object) | |
1190 | */ | |
1191 | static void fill_missing_values(struct atom_value *val) | |
1192 | { | |
1193 | int i; | |
1194 | for (i = 0; i < used_atom_cnt; i++) { | |
1195 | struct atom_value *v = &val[i]; | |
1196 | if (v->s == NULL) | |
1197 | v->s = ""; | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | /* | |
1202 | * val is a list of atom_value to hold returned values. Extract | |
1203 | * the values for atoms in used_atom array out of (obj, buf, sz). | |
1204 | * when deref is false, (obj, buf, sz) is the object that is | |
1205 | * pointed at by the ref itself; otherwise it is the object the | |
1206 | * ref (which is a tag) refers to. | |
1207 | */ | |
1208 | static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) | |
1209 | { | |
1210 | grab_common_values(val, deref, obj, buf, sz); | |
1211 | switch (obj->type) { | |
1212 | case OBJ_TAG: | |
1213 | grab_tag_values(val, deref, obj, buf, sz); | |
1214 | grab_sub_body_contents(val, deref, obj, buf, sz); | |
1215 | grab_person("tagger", val, deref, obj, buf, sz); | |
1216 | break; | |
1217 | case OBJ_COMMIT: | |
1218 | grab_commit_values(val, deref, obj, buf, sz); | |
1219 | grab_sub_body_contents(val, deref, obj, buf, sz); | |
1220 | grab_person("author", val, deref, obj, buf, sz); | |
1221 | grab_person("committer", val, deref, obj, buf, sz); | |
1222 | break; | |
1223 | case OBJ_TREE: | |
1224 | /* grab_tree_values(val, deref, obj, buf, sz); */ | |
1225 | break; | |
1226 | case OBJ_BLOB: | |
1227 | /* grab_blob_values(val, deref, obj, buf, sz); */ | |
1228 | break; | |
1229 | default: | |
1230 | die("Eh? Object of type %d?", obj->type); | |
1231 | } | |
1232 | } | |
1233 | ||
1234 | static inline char *copy_advance(char *dst, const char *src) | |
1235 | { | |
1236 | while (*src) | |
1237 | *dst++ = *src++; | |
1238 | return dst; | |
1239 | } | |
1240 | ||
1a0ca5e3 | 1241 | static const char *lstrip_ref_components(const char *refname, int len) |
0571979b | 1242 | { |
a7984101 | 1243 | long remaining = len; |
0571979b JK |
1244 | const char *start = refname; |
1245 | ||
1a0ca5e3 KN |
1246 | if (len < 0) { |
1247 | int i; | |
1248 | const char *p = refname; | |
1249 | ||
1250 | /* Find total no of '/' separated path-components */ | |
1251 | for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) | |
1252 | ; | |
1253 | /* | |
1254 | * The number of components we need to strip is now | |
1255 | * the total minus the components to be left (Plus one | |
1256 | * because we count the number of '/', but the number | |
1257 | * of components is one more than the no of '/'). | |
1258 | */ | |
1259 | remaining = i + len + 1; | |
1260 | } | |
0571979b | 1261 | |
1a0ca5e3 | 1262 | while (remaining > 0) { |
0571979b JK |
1263 | switch (*start++) { |
1264 | case '\0': | |
3a42980f | 1265 | return ""; |
0571979b JK |
1266 | case '/': |
1267 | remaining--; | |
1268 | break; | |
1269 | } | |
1270 | } | |
1a0ca5e3 | 1271 | |
0571979b JK |
1272 | return start; |
1273 | } | |
1274 | ||
1a34728e KN |
1275 | static const char *rstrip_ref_components(const char *refname, int len) |
1276 | { | |
1277 | long remaining = len; | |
1278 | char *start = xstrdup(refname); | |
1279 | ||
1280 | if (len < 0) { | |
1281 | int i; | |
1282 | const char *p = refname; | |
1283 | ||
1284 | /* Find total no of '/' separated path-components */ | |
1285 | for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) | |
1286 | ; | |
1287 | /* | |
1288 | * The number of components we need to strip is now | |
1289 | * the total minus the components to be left (Plus one | |
1290 | * because we count the number of '/', but the number | |
1291 | * of components is one more than the no of '/'). | |
1292 | */ | |
1293 | remaining = i + len + 1; | |
1294 | } | |
1295 | ||
1296 | while (remaining-- > 0) { | |
1297 | char *p = strrchr(start, '/'); | |
1298 | if (p == NULL) | |
1299 | return ""; | |
1300 | else | |
1301 | p[0] = '\0'; | |
1302 | } | |
1303 | return start; | |
1304 | } | |
1305 | ||
a7984101 KN |
1306 | static const char *show_ref(struct refname_atom *atom, const char *refname) |
1307 | { | |
1308 | if (atom->option == R_SHORT) | |
1309 | return shorten_unambiguous_ref(refname, warn_ambiguous_refs); | |
17938f17 KN |
1310 | else if (atom->option == R_LSTRIP) |
1311 | return lstrip_ref_components(refname, atom->lstrip); | |
1a34728e KN |
1312 | else if (atom->option == R_RSTRIP) |
1313 | return rstrip_ref_components(refname, atom->rstrip); | |
a7984101 KN |
1314 | else |
1315 | return refname; | |
1316 | } | |
1317 | ||
5339bdad KN |
1318 | static void fill_remote_ref_details(struct used_atom *atom, const char *refname, |
1319 | struct branch *branch, const char **s) | |
1320 | { | |
1321 | int num_ours, num_theirs; | |
3ba308cb KN |
1322 | if (atom->u.remote_ref.option == RR_REF) |
1323 | *s = show_ref(&atom->u.remote_ref.refname, refname); | |
7743fcca | 1324 | else if (atom->u.remote_ref.option == RR_TRACK) { |
d7d1b496 JH |
1325 | if (stat_tracking_info(branch, &num_ours, &num_theirs, |
1326 | NULL, AHEAD_BEHIND_FULL) < 0) { | |
6eac70fa | 1327 | *s = xstrdup(msgs.gone); |
7743fcca | 1328 | } else if (!num_ours && !num_theirs) |
5339bdad KN |
1329 | *s = ""; |
1330 | else if (!num_ours) | |
6eac70fa | 1331 | *s = xstrfmt(msgs.behind, num_theirs); |
5339bdad | 1332 | else if (!num_theirs) |
6eac70fa | 1333 | *s = xstrfmt(msgs.ahead, num_ours); |
5339bdad | 1334 | else |
6eac70fa | 1335 | *s = xstrfmt(msgs.ahead_behind, |
5339bdad | 1336 | num_ours, num_theirs); |
7743fcca KN |
1337 | if (!atom->u.remote_ref.nobracket && *s[0]) { |
1338 | const char *to_free = *s; | |
1339 | *s = xstrfmt("[%s]", *s); | |
1340 | free((void *)to_free); | |
1341 | } | |
1342 | } else if (atom->u.remote_ref.option == RR_TRACKSHORT) { | |
d7d1b496 JH |
1343 | if (stat_tracking_info(branch, &num_ours, &num_theirs, |
1344 | NULL, AHEAD_BEHIND_FULL) < 0) | |
5339bdad KN |
1345 | return; |
1346 | ||
1347 | if (!num_ours && !num_theirs) | |
1348 | *s = "="; | |
1349 | else if (!num_ours) | |
1350 | *s = "<"; | |
1351 | else if (!num_theirs) | |
1352 | *s = ">"; | |
1353 | else | |
1354 | *s = "<>"; | |
cc72385f JS |
1355 | } else if (atom->u.remote_ref.option == RR_REMOTE_NAME) { |
1356 | int explicit; | |
1357 | const char *remote = atom->u.remote_ref.push ? | |
1358 | pushremote_for_branch(branch, &explicit) : | |
1359 | remote_for_branch(branch, &explicit); | |
1360 | if (explicit) | |
1361 | *s = xstrdup(remote); | |
1362 | else | |
1363 | *s = ""; | |
9700fae5 W |
1364 | } else if (atom->u.remote_ref.option == RR_REMOTE_REF) { |
1365 | int explicit; | |
1366 | const char *merge; | |
1367 | ||
1368 | merge = remote_ref_for_branch(branch, atom->u.remote_ref.push, | |
1369 | &explicit); | |
1370 | if (explicit) | |
1371 | *s = xstrdup(merge); | |
1372 | else | |
1373 | *s = ""; | |
3ba308cb KN |
1374 | } else |
1375 | die("BUG: unhandled RR_* enum"); | |
5339bdad KN |
1376 | } |
1377 | ||
d4919bb2 KN |
1378 | char *get_head_description(void) |
1379 | { | |
1380 | struct strbuf desc = STRBUF_INIT; | |
1381 | struct wt_status_state state; | |
1382 | memset(&state, 0, sizeof(state)); | |
1383 | wt_status_get_state(&state, 1); | |
1384 | if (state.rebase_in_progress || | |
a236f900 KS |
1385 | state.rebase_interactive_in_progress) { |
1386 | if (state.branch) | |
1387 | strbuf_addf(&desc, _("(no branch, rebasing %s)"), | |
1388 | state.branch); | |
1389 | else | |
1390 | strbuf_addf(&desc, _("(no branch, rebasing detached HEAD %s)"), | |
1391 | state.detached_from); | |
1392 | } else if (state.bisect_in_progress) | |
d4919bb2 KN |
1393 | strbuf_addf(&desc, _("(no branch, bisect started on %s)"), |
1394 | state.branch); | |
1395 | else if (state.detached_from) { | |
d4919bb2 | 1396 | if (state.detached_at) |
66f5f6dc ÆAB |
1397 | /* |
1398 | * TRANSLATORS: make sure this matches "HEAD | |
1399 | * detached at " in wt-status.c | |
1400 | */ | |
d4919bb2 KN |
1401 | strbuf_addf(&desc, _("(HEAD detached at %s)"), |
1402 | state.detached_from); | |
1403 | else | |
66f5f6dc ÆAB |
1404 | /* |
1405 | * TRANSLATORS: make sure this matches "HEAD | |
1406 | * detached from " in wt-status.c | |
1407 | */ | |
d4919bb2 KN |
1408 | strbuf_addf(&desc, _("(HEAD detached from %s)"), |
1409 | state.detached_from); | |
1410 | } | |
1411 | else | |
1412 | strbuf_addstr(&desc, _("(no branch)")); | |
1413 | free(state.branch); | |
1414 | free(state.onto); | |
1415 | free(state.detached_from); | |
1416 | return strbuf_detach(&desc, NULL); | |
1417 | } | |
1418 | ||
a7984101 KN |
1419 | static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref) |
1420 | { | |
1421 | if (!ref->symref) | |
1422 | return ""; | |
1423 | else | |
1424 | return show_ref(&atom->u.refname, ref->symref); | |
1425 | } | |
1426 | ||
1427 | static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) | |
1428 | { | |
1429 | if (ref->kind & FILTER_REFS_DETACHED_HEAD) | |
1430 | return get_head_description(); | |
1431 | return show_ref(&atom->u.refname, ref->refname); | |
5339bdad KN |
1432 | } |
1433 | ||
e339611b OT |
1434 | static int get_object(struct ref_array_item *ref, const struct object_id *oid, |
1435 | int deref, struct object **obj, struct strbuf *err) | |
2bbc6e8a OT |
1436 | { |
1437 | int eaten; | |
e339611b | 1438 | int ret = 0; |
2bbc6e8a OT |
1439 | unsigned long size; |
1440 | void *buf = get_obj(oid, obj, &size, &eaten); | |
1441 | if (!buf) | |
e339611b OT |
1442 | ret = strbuf_addf_ret(err, -1, _("missing object %s for %s"), |
1443 | oid_to_hex(oid), ref->refname); | |
1444 | else if (!*obj) | |
1445 | ret = strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"), | |
1446 | oid_to_hex(oid), ref->refname); | |
1447 | else | |
1448 | grab_values(ref->value, deref, *obj, buf, size); | |
2bbc6e8a OT |
1449 | if (!eaten) |
1450 | free(buf); | |
e339611b | 1451 | return ret; |
2bbc6e8a OT |
1452 | } |
1453 | ||
c95b7585 KN |
1454 | /* |
1455 | * Parse the object referred by ref, and grab needed value. | |
1456 | */ | |
e339611b | 1457 | static int populate_value(struct ref_array_item *ref, struct strbuf *err) |
c95b7585 | 1458 | { |
c95b7585 | 1459 | struct object *obj; |
2bbc6e8a | 1460 | int i; |
9850fe5d | 1461 | const struct object_id *tagged; |
c95b7585 KN |
1462 | |
1463 | ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value)); | |
1464 | ||
1465 | if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) { | |
c95b7585 | 1466 | ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING, |
efbd4fdf | 1467 | NULL, NULL); |
c95b7585 KN |
1468 | if (!ref->symref) |
1469 | ref->symref = ""; | |
1470 | } | |
1471 | ||
1472 | /* Fill in specials first */ | |
1473 | for (i = 0; i < used_atom_cnt; i++) { | |
fd935cc7 | 1474 | struct used_atom *atom = &used_atom[i]; |
b072add7 | 1475 | const char *name = used_atom[i].name; |
c95b7585 KN |
1476 | struct atom_value *v = &ref->value[i]; |
1477 | int deref = 0; | |
1478 | const char *refname; | |
c95b7585 KN |
1479 | struct branch *branch = NULL; |
1480 | ||
63d89fbc | 1481 | v->handler = append_atom; |
c58fc856 | 1482 | v->atom = atom; |
63d89fbc | 1483 | |
c95b7585 KN |
1484 | if (*name == '*') { |
1485 | deref = 1; | |
1486 | name++; | |
1487 | } | |
1488 | ||
1489 | if (starts_with(name, "refname")) | |
a7984101 | 1490 | refname = get_refname(atom, ref); |
c95b7585 | 1491 | else if (starts_with(name, "symref")) |
a7984101 | 1492 | refname = get_symref(atom, ref); |
c95b7585 KN |
1493 | else if (starts_with(name, "upstream")) { |
1494 | const char *branch_name; | |
1495 | /* only local branches may have an upstream */ | |
1496 | if (!skip_prefix(ref->refname, "refs/heads/", | |
1497 | &branch_name)) | |
1498 | continue; | |
1499 | branch = branch_get(branch_name); | |
1500 | ||
1501 | refname = branch_get_upstream(branch, NULL); | |
5339bdad KN |
1502 | if (refname) |
1503 | fill_remote_ref_details(atom, refname, branch, &v->s); | |
1504 | continue; | |
cc72385f | 1505 | } else if (atom->u.remote_ref.push) { |
c95b7585 KN |
1506 | const char *branch_name; |
1507 | if (!skip_prefix(ref->refname, "refs/heads/", | |
1508 | &branch_name)) | |
1509 | continue; | |
1510 | branch = branch_get(branch_name); | |
1511 | ||
cc72385f JS |
1512 | if (atom->u.remote_ref.push_remote) |
1513 | refname = NULL; | |
1514 | else { | |
1515 | refname = branch_get_push(branch, NULL); | |
1516 | if (!refname) | |
1517 | continue; | |
1518 | } | |
5339bdad KN |
1519 | fill_remote_ref_details(atom, refname, branch, &v->s); |
1520 | continue; | |
fd935cc7 KN |
1521 | } else if (starts_with(name, "color:")) { |
1522 | v->s = atom->u.color; | |
c95b7585 KN |
1523 | continue; |
1524 | } else if (!strcmp(name, "flag")) { | |
1525 | char buf[256], *cp = buf; | |
1526 | if (ref->flag & REF_ISSYMREF) | |
1527 | cp = copy_advance(cp, ",symref"); | |
1528 | if (ref->flag & REF_ISPACKED) | |
1529 | cp = copy_advance(cp, ",packed"); | |
1530 | if (cp == buf) | |
1531 | v->s = ""; | |
1532 | else { | |
1533 | *cp = '\0'; | |
1534 | v->s = xstrdup(buf + 1); | |
1535 | } | |
1536 | continue; | |
17769795 | 1537 | } else if (!deref && grab_objectname(name, &ref->objectname, v, atom)) { |
c95b7585 KN |
1538 | continue; |
1539 | } else if (!strcmp(name, "HEAD")) { | |
613a0e52 | 1540 | if (atom->u.head && !strcmp(ref->refname, atom->u.head)) |
c95b7585 KN |
1541 | v->s = "*"; |
1542 | else | |
1543 | v->s = " "; | |
1544 | continue; | |
5bd881d9 | 1545 | } else if (starts_with(name, "align")) { |
ce592082 KN |
1546 | v->handler = align_atom_handler; |
1547 | continue; | |
1548 | } else if (!strcmp(name, "end")) { | |
1549 | v->handler = end_atom_handler; | |
1550 | continue; | |
4f3e3b37 KN |
1551 | } else if (starts_with(name, "if")) { |
1552 | const char *s; | |
1553 | ||
1554 | if (skip_prefix(name, "if:", &s)) | |
1555 | v->s = xstrdup(s); | |
c58492d4 KN |
1556 | v->handler = if_atom_handler; |
1557 | continue; | |
1558 | } else if (!strcmp(name, "then")) { | |
1559 | v->handler = then_atom_handler; | |
1560 | continue; | |
1561 | } else if (!strcmp(name, "else")) { | |
1562 | v->handler = else_atom_handler; | |
1563 | continue; | |
c95b7585 KN |
1564 | } else |
1565 | continue; | |
1566 | ||
c95b7585 KN |
1567 | if (!deref) |
1568 | v->s = refname; | |
a5e03bf5 JK |
1569 | else |
1570 | v->s = xstrfmt("%s^{}", refname); | |
c95b7585 KN |
1571 | } |
1572 | ||
1573 | for (i = 0; i < used_atom_cnt; i++) { | |
1574 | struct atom_value *v = &ref->value[i]; | |
1575 | if (v->s == NULL) | |
edfb8ba0 | 1576 | break; |
c95b7585 | 1577 | } |
edfb8ba0 | 1578 | if (used_atom_cnt <= i) |
e339611b | 1579 | return 0; |
c95b7585 | 1580 | |
e339611b OT |
1581 | if (get_object(ref, &ref->objectname, 0, &obj, err)) |
1582 | return -1; | |
c95b7585 KN |
1583 | |
1584 | /* | |
1585 | * If there is no atom that wants to know about tagged | |
1586 | * object, we are done. | |
1587 | */ | |
1588 | if (!need_tagged || (obj->type != OBJ_TAG)) | |
e339611b | 1589 | return 0; |
c95b7585 KN |
1590 | |
1591 | /* | |
1592 | * If it is a tag object, see if we use a value that derefs | |
1593 | * the object, and if we do grab the object it refers to. | |
1594 | */ | |
9850fe5d | 1595 | tagged = &((struct tag *)obj)->tagged->oid; |
c95b7585 KN |
1596 | |
1597 | /* | |
1598 | * NEEDSWORK: This derefs tag only once, which | |
1599 | * is good to deal with chains of trust, but | |
1600 | * is not consistent with what deref_tag() does | |
1601 | * which peels the onion to the core. | |
1602 | */ | |
e339611b | 1603 | return get_object(ref, tagged, 1, &obj, err); |
c95b7585 KN |
1604 | } |
1605 | ||
1606 | /* | |
1607 | * Given a ref, return the value for the atom. This lazily gets value | |
1608 | * out of the object by calling populate value. | |
1609 | */ | |
e339611b OT |
1610 | static int get_ref_atom_value(struct ref_array_item *ref, int atom, |
1611 | struct atom_value **v, struct strbuf *err) | |
c95b7585 KN |
1612 | { |
1613 | if (!ref->value) { | |
e339611b OT |
1614 | if (populate_value(ref, err)) |
1615 | return -1; | |
c95b7585 KN |
1616 | fill_missing_values(ref->value); |
1617 | } | |
1618 | *v = &ref->value[atom]; | |
e339611b | 1619 | return 0; |
c95b7585 KN |
1620 | } |
1621 | ||
a91aca44 JK |
1622 | /* |
1623 | * Unknown has to be "0" here, because that's the default value for | |
1624 | * contains_cache slab entries that have not yet been assigned. | |
1625 | */ | |
ee2bd06b | 1626 | enum contains_result { |
a91aca44 JK |
1627 | CONTAINS_UNKNOWN = 0, |
1628 | CONTAINS_NO, | |
1629 | CONTAINS_YES | |
ee2bd06b KN |
1630 | }; |
1631 | ||
a91aca44 JK |
1632 | define_commit_slab(contains_cache, enum contains_result); |
1633 | ||
4d4bc414 JK |
1634 | struct ref_filter_cbdata { |
1635 | struct ref_array *array; | |
1636 | struct ref_filter *filter; | |
a91aca44 | 1637 | struct contains_cache contains_cache; |
ac3f5a34 | 1638 | struct contains_cache no_contains_cache; |
ee2bd06b KN |
1639 | }; |
1640 | ||
1641 | /* | |
1642 | * Mimicking the real stack, this stack lives on the heap, avoiding stack | |
1643 | * overflows. | |
1644 | * | |
1645 | * At each recursion step, the stack items points to the commits whose | |
1646 | * ancestors are to be inspected. | |
1647 | */ | |
1648 | struct contains_stack { | |
1649 | int nr, alloc; | |
1650 | struct contains_stack_entry { | |
1651 | struct commit *commit; | |
1652 | struct commit_list *parents; | |
1653 | } *contains_stack; | |
1654 | }; | |
1655 | ||
1656 | static int in_commit_list(const struct commit_list *want, struct commit *c) | |
1657 | { | |
1658 | for (; want; want = want->next) | |
f2fd0760 | 1659 | if (!oidcmp(&want->item->object.oid, &c->object.oid)) |
ee2bd06b KN |
1660 | return 1; |
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | /* | |
1665 | * Test whether the candidate or one of its parents is contained in the list. | |
1666 | * Do not recurse to find out, though, but return -1 if inconclusive. | |
1667 | */ | |
1668 | static enum contains_result contains_test(struct commit *candidate, | |
a91aca44 JK |
1669 | const struct commit_list *want, |
1670 | struct contains_cache *cache) | |
ee2bd06b | 1671 | { |
a91aca44 JK |
1672 | enum contains_result *cached = contains_cache_at(cache, candidate); |
1673 | ||
1674 | /* If we already have the answer cached, return that. */ | |
1675 | if (*cached) | |
1676 | return *cached; | |
1677 | ||
ee2bd06b KN |
1678 | /* or are we it? */ |
1679 | if (in_commit_list(want, candidate)) { | |
a91aca44 | 1680 | *cached = CONTAINS_YES; |
a0262c51 | 1681 | return CONTAINS_YES; |
ee2bd06b KN |
1682 | } |
1683 | ||
a91aca44 | 1684 | /* Otherwise, we don't know; prepare to recurse */ |
d344d1cb | 1685 | parse_commit_or_die(candidate); |
a0262c51 | 1686 | return CONTAINS_UNKNOWN; |
ee2bd06b KN |
1687 | } |
1688 | ||
1689 | static void push_to_contains_stack(struct commit *candidate, struct contains_stack *contains_stack) | |
1690 | { | |
1691 | ALLOC_GROW(contains_stack->contains_stack, contains_stack->nr + 1, contains_stack->alloc); | |
1692 | contains_stack->contains_stack[contains_stack->nr].commit = candidate; | |
1693 | contains_stack->contains_stack[contains_stack->nr++].parents = candidate->parents; | |
1694 | } | |
1695 | ||
1696 | static enum contains_result contains_tag_algo(struct commit *candidate, | |
a91aca44 JK |
1697 | const struct commit_list *want, |
1698 | struct contains_cache *cache) | |
ee2bd06b KN |
1699 | { |
1700 | struct contains_stack contains_stack = { 0, 0, NULL }; | |
a91aca44 | 1701 | enum contains_result result = contains_test(candidate, want, cache); |
ee2bd06b KN |
1702 | |
1703 | if (result != CONTAINS_UNKNOWN) | |
1704 | return result; | |
1705 | ||
1706 | push_to_contains_stack(candidate, &contains_stack); | |
1707 | while (contains_stack.nr) { | |
1708 | struct contains_stack_entry *entry = &contains_stack.contains_stack[contains_stack.nr - 1]; | |
1709 | struct commit *commit = entry->commit; | |
1710 | struct commit_list *parents = entry->parents; | |
1711 | ||
1712 | if (!parents) { | |
a91aca44 | 1713 | *contains_cache_at(cache, commit) = CONTAINS_NO; |
ee2bd06b KN |
1714 | contains_stack.nr--; |
1715 | } | |
1716 | /* | |
1717 | * If we just popped the stack, parents->item has been marked, | |
a0262c51 | 1718 | * therefore contains_test will return a meaningful yes/no. |
ee2bd06b | 1719 | */ |
a91aca44 | 1720 | else switch (contains_test(parents->item, want, cache)) { |
ee2bd06b | 1721 | case CONTAINS_YES: |
a91aca44 | 1722 | *contains_cache_at(cache, commit) = CONTAINS_YES; |
ee2bd06b KN |
1723 | contains_stack.nr--; |
1724 | break; | |
1725 | case CONTAINS_NO: | |
1726 | entry->parents = parents->next; | |
1727 | break; | |
1728 | case CONTAINS_UNKNOWN: | |
1729 | push_to_contains_stack(parents->item, &contains_stack); | |
1730 | break; | |
1731 | } | |
1732 | } | |
1733 | free(contains_stack.contains_stack); | |
a91aca44 | 1734 | return contains_test(candidate, want, cache); |
ee2bd06b KN |
1735 | } |
1736 | ||
a91aca44 | 1737 | static int commit_contains(struct ref_filter *filter, struct commit *commit, |
ac3f5a34 | 1738 | struct commit_list *list, struct contains_cache *cache) |
ee2bd06b KN |
1739 | { |
1740 | if (filter->with_commit_tag_algo) | |
ac3f5a34 ÆAB |
1741 | return contains_tag_algo(commit, list, cache) == CONTAINS_YES; |
1742 | return is_descendant_of(commit, list); | |
ee2bd06b KN |
1743 | } |
1744 | ||
bef0e12b KN |
1745 | /* |
1746 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
1747 | * A pattern can be a literal prefix (e.g. a refname "refs/heads/master" | |
1748 | * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref | |
1749 | * matches "refs/heads/mas*", too). | |
1750 | */ | |
3bb16a8b | 1751 | static int match_pattern(const struct ref_filter *filter, const char *refname) |
bef0e12b | 1752 | { |
3bb16a8b NTND |
1753 | const char **patterns = filter->name_patterns; |
1754 | unsigned flags = 0; | |
1755 | ||
1756 | if (filter->ignore_case) | |
1757 | flags |= WM_CASEFOLD; | |
1758 | ||
bef0e12b KN |
1759 | /* |
1760 | * When no '--format' option is given we need to skip the prefix | |
1761 | * for matching refs of tags and branches. | |
1762 | */ | |
1763 | (void)(skip_prefix(refname, "refs/tags/", &refname) || | |
1764 | skip_prefix(refname, "refs/heads/", &refname) || | |
1765 | skip_prefix(refname, "refs/remotes/", &refname) || | |
1766 | skip_prefix(refname, "refs/", &refname)); | |
1767 | ||
1768 | for (; *patterns; patterns++) { | |
55d34269 | 1769 | if (!wildmatch(*patterns, refname, flags)) |
bef0e12b KN |
1770 | return 1; |
1771 | } | |
1772 | return 0; | |
1773 | } | |
1774 | ||
c95b7585 KN |
1775 | /* |
1776 | * Return 1 if the refname matches one of the patterns, otherwise 0. | |
1777 | * A pattern can be path prefix (e.g. a refname "refs/heads/master" | |
bef0e12b KN |
1778 | * matches a pattern "refs/heads/" but not "refs/heads/m") or a |
1779 | * wildcard (e.g. the same ref matches "refs/heads/m*", too). | |
c95b7585 | 1780 | */ |
3bb16a8b | 1781 | static int match_name_as_path(const struct ref_filter *filter, const char *refname) |
c95b7585 | 1782 | { |
3bb16a8b | 1783 | const char **pattern = filter->name_patterns; |
c95b7585 | 1784 | int namelen = strlen(refname); |
3bb16a8b NTND |
1785 | unsigned flags = WM_PATHNAME; |
1786 | ||
1787 | if (filter->ignore_case) | |
1788 | flags |= WM_CASEFOLD; | |
1789 | ||
c95b7585 KN |
1790 | for (; *pattern; pattern++) { |
1791 | const char *p = *pattern; | |
1792 | int plen = strlen(p); | |
1793 | ||
1794 | if ((plen <= namelen) && | |
1795 | !strncmp(refname, p, plen) && | |
1796 | (refname[plen] == '\0' || | |
1797 | refname[plen] == '/' || | |
1798 | p[plen-1] == '/')) | |
1799 | return 1; | |
55d34269 | 1800 | if (!wildmatch(p, refname, WM_PATHNAME)) |
c95b7585 KN |
1801 | return 1; |
1802 | } | |
1803 | return 0; | |
1804 | } | |
1805 | ||
bef0e12b KN |
1806 | /* Return 1 if the refname matches one of the patterns, otherwise 0. */ |
1807 | static int filter_pattern_match(struct ref_filter *filter, const char *refname) | |
1808 | { | |
1809 | if (!*filter->name_patterns) | |
1810 | return 1; /* No pattern always matches */ | |
1811 | if (filter->match_as_path) | |
3bb16a8b NTND |
1812 | return match_name_as_path(filter, refname); |
1813 | return match_pattern(filter, refname); | |
bef0e12b KN |
1814 | } |
1815 | ||
cfe004a5 JK |
1816 | /* |
1817 | * Find the longest prefix of pattern we can pass to | |
1818 | * `for_each_fullref_in()`, namely the part of pattern preceding the | |
1819 | * first glob character. (Note that `for_each_fullref_in()` is | |
1820 | * perfectly happy working with a prefix that doesn't end at a | |
1821 | * pathname component boundary.) | |
1822 | */ | |
1823 | static void find_longest_prefix(struct strbuf *out, const char *pattern) | |
1824 | { | |
1825 | const char *p; | |
1826 | ||
1827 | for (p = pattern; *p && !is_glob_special(*p); p++) | |
1828 | ; | |
1829 | ||
1830 | strbuf_add(out, pattern, p - pattern); | |
1831 | } | |
1832 | ||
1833 | /* | |
1834 | * This is the same as for_each_fullref_in(), but it tries to iterate | |
1835 | * only over the patterns we'll care about. Note that it _doesn't_ do a full | |
1836 | * pattern match, so the callback still has to match each ref individually. | |
1837 | */ | |
1838 | static int for_each_fullref_in_pattern(struct ref_filter *filter, | |
1839 | each_ref_fn cb, | |
1840 | void *cb_data, | |
1841 | int broken) | |
1842 | { | |
1843 | struct strbuf prefix = STRBUF_INIT; | |
1844 | int ret; | |
1845 | ||
1846 | if (!filter->match_as_path) { | |
1847 | /* | |
1848 | * in this case, the patterns are applied after | |
1849 | * prefixes like "refs/heads/" etc. are stripped off, | |
1850 | * so we have to look at everything: | |
1851 | */ | |
1852 | return for_each_fullref_in("", cb, cb_data, broken); | |
1853 | } | |
1854 | ||
1855 | if (!filter->name_patterns[0]) { | |
1856 | /* no patterns; we have to look at everything */ | |
1857 | return for_each_fullref_in("", cb, cb_data, broken); | |
1858 | } | |
1859 | ||
1860 | if (filter->name_patterns[1]) { | |
1861 | /* | |
1862 | * multiple patterns; in theory this could still work as long | |
1863 | * as the patterns are disjoint. We'd just make multiple calls | |
1864 | * to for_each_ref(). But if they're not disjoint, we'd end up | |
1865 | * reporting the same ref multiple times. So let's punt on that | |
1866 | * for now. | |
1867 | */ | |
1868 | return for_each_fullref_in("", cb, cb_data, broken); | |
1869 | } | |
1870 | ||
1871 | find_longest_prefix(&prefix, filter->name_patterns[0]); | |
1872 | ||
1873 | ret = for_each_fullref_in(prefix.buf, cb, cb_data, broken); | |
1874 | strbuf_release(&prefix); | |
1875 | return ret; | |
1876 | } | |
1877 | ||
68411046 KN |
1878 | /* |
1879 | * Given a ref (sha1, refname), check if the ref belongs to the array | |
1880 | * of sha1s. If the given ref is a tag, check if the given tag points | |
1881 | * at one of the sha1s in the given sha1 array. | |
1882 | * the given sha1_array. | |
1883 | * NEEDSWORK: | |
1884 | * 1. Only a single level of inderection is obtained, we might want to | |
1885 | * change this to account for multiple levels (e.g. annotated tags | |
1886 | * pointing to annotated tags pointing to a commit.) | |
1887 | * 2. As the refs are cached we might know what refname peels to without | |
1888 | * the need to parse the object via parse_object(). peel_ref() might be a | |
1889 | * more efficient alternative to obtain the pointee. | |
1890 | */ | |
910650d2 | 1891 | static const struct object_id *match_points_at(struct oid_array *points_at, |
4ce3621a | 1892 | const struct object_id *oid, |
1893 | const char *refname) | |
68411046 | 1894 | { |
4ce3621a | 1895 | const struct object_id *tagged_oid = NULL; |
68411046 KN |
1896 | struct object *obj; |
1897 | ||
910650d2 | 1898 | if (oid_array_lookup(points_at, oid) >= 0) |
4ce3621a | 1899 | return oid; |
c251c83d | 1900 | obj = parse_object(oid); |
68411046 KN |
1901 | if (!obj) |
1902 | die(_("malformed object at '%s'"), refname); | |
1903 | if (obj->type == OBJ_TAG) | |
4ce3621a | 1904 | tagged_oid = &((struct tag *)obj)->tagged->oid; |
910650d2 | 1905 | if (tagged_oid && oid_array_lookup(points_at, tagged_oid) >= 0) |
4ce3621a | 1906 | return tagged_oid; |
68411046 KN |
1907 | return NULL; |
1908 | } | |
1909 | ||
0ffaa00f JK |
1910 | /* |
1911 | * Allocate space for a new ref_array_item and copy the name and oid to it. | |
1912 | * | |
1913 | * Callers can then fill in other struct members at their leisure. | |
1914 | */ | |
c95b7585 | 1915 | static struct ref_array_item *new_ref_array_item(const char *refname, |
0ffaa00f | 1916 | const struct object_id *oid) |
c95b7585 | 1917 | { |
96ffc06f | 1918 | struct ref_array_item *ref; |
0ffaa00f | 1919 | |
96ffc06f | 1920 | FLEX_ALLOC_STR(ref, refname, refname); |
53df97a2 | 1921 | oidcpy(&ref->objectname, oid); |
c95b7585 KN |
1922 | |
1923 | return ref; | |
1924 | } | |
1925 | ||
427cbc9d JK |
1926 | struct ref_array_item *ref_array_push(struct ref_array *array, |
1927 | const char *refname, | |
1928 | const struct object_id *oid) | |
1929 | { | |
1930 | struct ref_array_item *ref = new_ref_array_item(refname, oid); | |
1931 | ||
1932 | ALLOC_GROW(array->items, array->nr + 1, array->alloc); | |
1933 | array->items[array->nr++] = ref; | |
c95b7585 KN |
1934 | |
1935 | return ref; | |
1936 | } | |
1937 | ||
2111aa79 | 1938 | static int ref_kind_from_refname(const char *refname) |
5b4f2851 KN |
1939 | { |
1940 | unsigned int i; | |
1941 | ||
1942 | static struct { | |
1943 | const char *prefix; | |
1944 | unsigned int kind; | |
1945 | } ref_kind[] = { | |
1946 | { "refs/heads/" , FILTER_REFS_BRANCHES }, | |
1947 | { "refs/remotes/" , FILTER_REFS_REMOTES }, | |
1948 | { "refs/tags/", FILTER_REFS_TAGS} | |
1949 | }; | |
1950 | ||
2111aa79 | 1951 | if (!strcmp(refname, "HEAD")) |
5b4f2851 KN |
1952 | return FILTER_REFS_DETACHED_HEAD; |
1953 | ||
1954 | for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { | |
1955 | if (starts_with(refname, ref_kind[i].prefix)) | |
1956 | return ref_kind[i].kind; | |
1957 | } | |
1958 | ||
1959 | return FILTER_REFS_OTHERS; | |
1960 | } | |
1961 | ||
2111aa79 LP |
1962 | static int filter_ref_kind(struct ref_filter *filter, const char *refname) |
1963 | { | |
1964 | if (filter->kind == FILTER_REFS_BRANCHES || | |
1965 | filter->kind == FILTER_REFS_REMOTES || | |
1966 | filter->kind == FILTER_REFS_TAGS) | |
1967 | return filter->kind; | |
1968 | return ref_kind_from_refname(refname); | |
1969 | } | |
1970 | ||
c95b7585 KN |
1971 | /* |
1972 | * A call-back given to for_each_ref(). Filter refs and keep them for | |
1973 | * later object processing. | |
1974 | */ | |
14de7fba | 1975 | static int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data) |
c95b7585 KN |
1976 | { |
1977 | struct ref_filter_cbdata *ref_cbdata = cb_data; | |
14de7fba | 1978 | struct ref_filter *filter = ref_cbdata->filter; |
c95b7585 | 1979 | struct ref_array_item *ref; |
35257aa0 | 1980 | struct commit *commit = NULL; |
5b4f2851 | 1981 | unsigned int kind; |
c95b7585 KN |
1982 | |
1983 | if (flag & REF_BAD_NAME) { | |
1823c619 | 1984 | warning(_("ignoring ref with broken name %s"), refname); |
c95b7585 KN |
1985 | return 0; |
1986 | } | |
1987 | ||
7ebc8cbe | 1988 | if (flag & REF_ISBROKEN) { |
1823c619 | 1989 | warning(_("ignoring broken ref %s"), refname); |
7ebc8cbe JH |
1990 | return 0; |
1991 | } | |
1992 | ||
5b4f2851 KN |
1993 | /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */ |
1994 | kind = filter_ref_kind(filter, refname); | |
1995 | if (!(kind & filter->kind)) | |
1996 | return 0; | |
1997 | ||
bef0e12b | 1998 | if (!filter_pattern_match(filter, refname)) |
c95b7585 KN |
1999 | return 0; |
2000 | ||
4ce3621a | 2001 | if (filter->points_at.nr && !match_points_at(&filter->points_at, oid, refname)) |
68411046 KN |
2002 | return 0; |
2003 | ||
35257aa0 KN |
2004 | /* |
2005 | * A merge filter is applied on refs pointing to commits. Hence | |
2006 | * obtain the commit using the 'oid' available and discard all | |
2007 | * non-commits early. The actual filtering is done later. | |
2008 | */ | |
ac3f5a34 | 2009 | if (filter->merge_commit || filter->with_commit || filter->no_commit || filter->verbose) { |
bc83266a | 2010 | commit = lookup_commit_reference_gently(oid, 1); |
35257aa0 KN |
2011 | if (!commit) |
2012 | return 0; | |
ac3f5a34 | 2013 | /* We perform the filtering for the '--contains' option... */ |
ee2bd06b | 2014 | if (filter->with_commit && |
ac3f5a34 ÆAB |
2015 | !commit_contains(filter, commit, filter->with_commit, &ref_cbdata->contains_cache)) |
2016 | return 0; | |
2017 | /* ...or for the `--no-contains' option */ | |
2018 | if (filter->no_commit && | |
2019 | commit_contains(filter, commit, filter->no_commit, &ref_cbdata->no_contains_cache)) | |
ee2bd06b | 2020 | return 0; |
35257aa0 KN |
2021 | } |
2022 | ||
c95b7585 KN |
2023 | /* |
2024 | * We do not open the object yet; sort may only need refname | |
2025 | * to do its job and the resulting list may yet to be pruned | |
2026 | * by maxcount logic. | |
2027 | */ | |
427cbc9d | 2028 | ref = ref_array_push(ref_cbdata->array, refname, oid); |
35257aa0 | 2029 | ref->commit = commit; |
0ffaa00f | 2030 | ref->flag = flag; |
5b4f2851 | 2031 | ref->kind = kind; |
c95b7585 | 2032 | |
c95b7585 KN |
2033 | return 0; |
2034 | } | |
2035 | ||
2036 | /* Free memory allocated for a ref_array_item */ | |
2037 | static void free_array_item(struct ref_array_item *item) | |
2038 | { | |
2039 | free((char *)item->symref); | |
c95b7585 KN |
2040 | free(item); |
2041 | } | |
2042 | ||
2043 | /* Free all memory allocated for ref_array */ | |
2044 | void ref_array_clear(struct ref_array *array) | |
2045 | { | |
2046 | int i; | |
2047 | ||
2048 | for (i = 0; i < array->nr; i++) | |
2049 | free_array_item(array->items[i]); | |
6a83d902 | 2050 | FREE_AND_NULL(array->items); |
c95b7585 KN |
2051 | array->nr = array->alloc = 0; |
2052 | } | |
2053 | ||
35257aa0 KN |
2054 | static void do_merge_filter(struct ref_filter_cbdata *ref_cbdata) |
2055 | { | |
2056 | struct rev_info revs; | |
2057 | int i, old_nr; | |
2058 | struct ref_filter *filter = ref_cbdata->filter; | |
2059 | struct ref_array *array = ref_cbdata->array; | |
2060 | struct commit **to_clear = xcalloc(sizeof(struct commit *), array->nr); | |
2061 | ||
2062 | init_revisions(&revs, NULL); | |
2063 | ||
2064 | for (i = 0; i < array->nr; i++) { | |
2065 | struct ref_array_item *item = array->items[i]; | |
2066 | add_pending_object(&revs, &item->commit->object, item->refname); | |
2067 | to_clear[i] = item->commit; | |
2068 | } | |
2069 | ||
2070 | filter->merge_commit->object.flags |= UNINTERESTING; | |
2071 | add_pending_object(&revs, &filter->merge_commit->object, ""); | |
2072 | ||
2073 | revs.limited = 1; | |
2074 | if (prepare_revision_walk(&revs)) | |
2075 | die(_("revision walk setup failed")); | |
2076 | ||
2077 | old_nr = array->nr; | |
2078 | array->nr = 0; | |
2079 | ||
2080 | for (i = 0; i < old_nr; i++) { | |
2081 | struct ref_array_item *item = array->items[i]; | |
2082 | struct commit *commit = item->commit; | |
2083 | ||
2084 | int is_merged = !!(commit->object.flags & UNINTERESTING); | |
2085 | ||
2086 | if (is_merged == (filter->merge == REF_FILTER_MERGED_INCLUDE)) | |
2087 | array->items[array->nr++] = array->items[i]; | |
2088 | else | |
2089 | free_array_item(item); | |
2090 | } | |
2091 | ||
5dee6d6f | 2092 | clear_commit_marks_many(old_nr, to_clear, ALL_REV_FLAGS); |
35257aa0 KN |
2093 | clear_commit_marks(filter->merge_commit, ALL_REV_FLAGS); |
2094 | free(to_clear); | |
2095 | } | |
2096 | ||
14de7fba KN |
2097 | /* |
2098 | * API for filtering a set of refs. Based on the type of refs the user | |
2099 | * has requested, we iterate through those refs and apply filters | |
2100 | * as per the given ref_filter structure and finally store the | |
2101 | * filtered refs in the ref_array structure. | |
2102 | */ | |
2103 | int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type) | |
2104 | { | |
2105 | struct ref_filter_cbdata ref_cbdata; | |
35257aa0 | 2106 | int ret = 0; |
5b4f2851 | 2107 | unsigned int broken = 0; |
14de7fba KN |
2108 | |
2109 | ref_cbdata.array = array; | |
2110 | ref_cbdata.filter = filter; | |
2111 | ||
5b4f2851 KN |
2112 | if (type & FILTER_REFS_INCLUDE_BROKEN) |
2113 | broken = 1; | |
2114 | filter->kind = type & FILTER_REFS_KIND_MASK; | |
2115 | ||
a91aca44 | 2116 | init_contains_cache(&ref_cbdata.contains_cache); |
ac3f5a34 | 2117 | init_contains_cache(&ref_cbdata.no_contains_cache); |
a91aca44 | 2118 | |
35257aa0 | 2119 | /* Simple per-ref filtering */ |
5b4f2851 | 2120 | if (!filter->kind) |
14de7fba | 2121 | die("filter_refs: invalid type"); |
5b4f2851 KN |
2122 | else { |
2123 | /* | |
2124 | * For common cases where we need only branches or remotes or tags, | |
2125 | * we only iterate through those refs. If a mix of refs is needed, | |
2126 | * we iterate over all refs and filter out required refs with the help | |
2127 | * of filter_ref_kind(). | |
2128 | */ | |
2129 | if (filter->kind == FILTER_REFS_BRANCHES) | |
2130 | ret = for_each_fullref_in("refs/heads/", ref_filter_handler, &ref_cbdata, broken); | |
2131 | else if (filter->kind == FILTER_REFS_REMOTES) | |
2132 | ret = for_each_fullref_in("refs/remotes/", ref_filter_handler, &ref_cbdata, broken); | |
2133 | else if (filter->kind == FILTER_REFS_TAGS) | |
2134 | ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata, broken); | |
2135 | else if (filter->kind & FILTER_REFS_ALL) | |
cfe004a5 | 2136 | ret = for_each_fullref_in_pattern(filter, ref_filter_handler, &ref_cbdata, broken); |
5b4f2851 KN |
2137 | if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD)) |
2138 | head_ref(ref_filter_handler, &ref_cbdata); | |
2139 | } | |
2140 | ||
a91aca44 | 2141 | clear_contains_cache(&ref_cbdata.contains_cache); |
ac3f5a34 | 2142 | clear_contains_cache(&ref_cbdata.no_contains_cache); |
35257aa0 KN |
2143 | |
2144 | /* Filters that need revision walking */ | |
2145 | if (filter->merge_commit) | |
2146 | do_merge_filter(&ref_cbdata); | |
2147 | ||
2148 | return ret; | |
14de7fba KN |
2149 | } |
2150 | ||
c95b7585 KN |
2151 | static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b) |
2152 | { | |
2153 | struct atom_value *va, *vb; | |
2154 | int cmp; | |
b072add7 | 2155 | cmp_type cmp_type = used_atom[s->atom].type; |
3bb16a8b | 2156 | int (*cmp_fn)(const char *, const char *); |
e339611b | 2157 | struct strbuf err = STRBUF_INIT; |
c95b7585 | 2158 | |
e339611b OT |
2159 | if (get_ref_atom_value(a, s->atom, &va, &err)) |
2160 | die("%s", err.buf); | |
2161 | if (get_ref_atom_value(b, s->atom, &vb, &err)) | |
2162 | die("%s", err.buf); | |
2163 | strbuf_release(&err); | |
3bb16a8b | 2164 | cmp_fn = s->ignore_case ? strcasecmp : strcmp; |
90c00408 KN |
2165 | if (s->version) |
2166 | cmp = versioncmp(va->s, vb->s); | |
2167 | else if (cmp_type == FIELD_STR) | |
3bb16a8b | 2168 | cmp = cmp_fn(va->s, vb->s); |
90c00408 | 2169 | else { |
e467dc14 | 2170 | if (va->value < vb->value) |
c95b7585 | 2171 | cmp = -1; |
e467dc14 | 2172 | else if (va->value == vb->value) |
3bb16a8b | 2173 | cmp = cmp_fn(a->refname, b->refname); |
c95b7585 KN |
2174 | else |
2175 | cmp = 1; | |
c95b7585 | 2176 | } |
90c00408 | 2177 | |
c95b7585 KN |
2178 | return (s->reverse) ? -cmp : cmp; |
2179 | } | |
2180 | ||
83fc4d64 | 2181 | static int compare_refs(const void *a_, const void *b_, void *ref_sorting) |
c95b7585 KN |
2182 | { |
2183 | struct ref_array_item *a = *((struct ref_array_item **)a_); | |
2184 | struct ref_array_item *b = *((struct ref_array_item **)b_); | |
2185 | struct ref_sorting *s; | |
2186 | ||
2187 | for (s = ref_sorting; s; s = s->next) { | |
2188 | int cmp = cmp_ref_sorting(s, a, b); | |
2189 | if (cmp) | |
2190 | return cmp; | |
2191 | } | |
2192 | return 0; | |
2193 | } | |
2194 | ||
2195 | void ref_array_sort(struct ref_sorting *sorting, struct ref_array *array) | |
2196 | { | |
83fc4d64 | 2197 | QSORT_S(array->items, array->nr, compare_refs, sorting); |
c95b7585 KN |
2198 | } |
2199 | ||
574e96a2 | 2200 | static void append_literal(const char *cp, const char *ep, struct ref_formatting_state *state) |
c95b7585 | 2201 | { |
574e96a2 KN |
2202 | struct strbuf *s = &state->stack->output; |
2203 | ||
c95b7585 KN |
2204 | while (*cp && (!ep || cp < ep)) { |
2205 | if (*cp == '%') { | |
2206 | if (cp[1] == '%') | |
2207 | cp++; | |
2208 | else { | |
d2330973 | 2209 | int ch = hex2chr(cp + 1); |
c95b7585 | 2210 | if (0 <= ch) { |
574e96a2 | 2211 | strbuf_addch(s, ch); |
c95b7585 KN |
2212 | cp += 3; |
2213 | continue; | |
2214 | } | |
2215 | } | |
2216 | } | |
574e96a2 | 2217 | strbuf_addch(s, *cp); |
c95b7585 KN |
2218 | cp++; |
2219 | } | |
2220 | } | |
2221 | ||
3019eca9 | 2222 | int format_ref_array_item(struct ref_array_item *info, |
4a68e36d | 2223 | const struct ref_format *format, |
3019eca9 OT |
2224 | struct strbuf *final_buf, |
2225 | struct strbuf *error_buf) | |
c95b7585 KN |
2226 | { |
2227 | const char *cp, *sp, *ep; | |
574e96a2 KN |
2228 | struct ref_formatting_state state = REF_FORMATTING_STATE_INIT; |
2229 | ||
4a68e36d | 2230 | state.quote_style = format->quote_style; |
574e96a2 | 2231 | push_stack_element(&state.stack); |
c95b7585 | 2232 | |
4a68e36d | 2233 | for (cp = format->format; *cp && (sp = find_next(cp)); cp = ep + 1) { |
c95b7585 | 2234 | struct atom_value *atomv; |
e6ff7b3b | 2235 | int pos; |
c95b7585 KN |
2236 | |
2237 | ep = strchr(sp, ')'); | |
2238 | if (cp < sp) | |
574e96a2 | 2239 | append_literal(cp, sp, &state); |
e6ff7b3b | 2240 | pos = parse_ref_filter_atom(format, sp + 2, ep, error_buf); |
e339611b OT |
2241 | if (pos < 0 || get_ref_atom_value(info, pos, &atomv, error_buf) || |
2242 | atomv->handler(atomv, &state, error_buf)) { | |
3fc8439c OT |
2243 | pop_stack_element(&state.stack); |
2244 | return -1; | |
2245 | } | |
c95b7585 KN |
2246 | } |
2247 | if (*cp) { | |
2248 | sp = cp + strlen(cp); | |
574e96a2 | 2249 | append_literal(cp, sp, &state); |
c95b7585 | 2250 | } |
bf285ae6 | 2251 | if (format->need_color_reset_at_eol) { |
c95b7585 | 2252 | struct atom_value resetv; |
51331aad | 2253 | resetv.s = GIT_COLOR_RESET; |
3fc8439c OT |
2254 | if (append_atom(&resetv, &state, error_buf)) { |
2255 | pop_stack_element(&state.stack); | |
2256 | return -1; | |
2257 | } | |
c95b7585 | 2258 | } |
3019eca9 OT |
2259 | if (state.stack->prev) { |
2260 | pop_stack_element(&state.stack); | |
2261 | return strbuf_addf_ret(error_buf, -1, _("format: %%(end) atom missing")); | |
c95b7585 | 2262 | } |
99c6a71d | 2263 | strbuf_addbuf(final_buf, &state.stack->output); |
574e96a2 | 2264 | pop_stack_element(&state.stack); |
3019eca9 | 2265 | return 0; |
99c6a71d KN |
2266 | } |
2267 | ||
4a68e36d JK |
2268 | void show_ref_array_item(struct ref_array_item *info, |
2269 | const struct ref_format *format) | |
99c6a71d KN |
2270 | { |
2271 | struct strbuf final_buf = STRBUF_INIT; | |
3019eca9 | 2272 | struct strbuf error_buf = STRBUF_INIT; |
99c6a71d | 2273 | |
3019eca9 OT |
2274 | if (format_ref_array_item(info, format, &final_buf, &error_buf)) |
2275 | die("%s", error_buf.buf); | |
99c6a71d | 2276 | fwrite(final_buf.buf, 1, final_buf.len, stdout); |
3019eca9 | 2277 | strbuf_release(&error_buf); |
99c6a71d | 2278 | strbuf_release(&final_buf); |
c95b7585 KN |
2279 | putchar('\n'); |
2280 | } | |
2281 | ||
53df97a2 | 2282 | void pretty_print_ref(const char *name, const struct object_id *oid, |
4a68e36d | 2283 | const struct ref_format *format) |
2111aa79 LP |
2284 | { |
2285 | struct ref_array_item *ref_item; | |
0ffaa00f | 2286 | ref_item = new_ref_array_item(name, oid); |
2111aa79 | 2287 | ref_item->kind = ref_kind_from_refname(name); |
4a68e36d | 2288 | show_ref_array_item(ref_item, format); |
2111aa79 LP |
2289 | free_array_item(ref_item); |
2290 | } | |
2291 | ||
29ef53cd JK |
2292 | static int parse_sorting_atom(const char *atom) |
2293 | { | |
ab7ded34 JK |
2294 | /* |
2295 | * This parses an atom using a dummy ref_format, since we don't | |
2296 | * actually care about the formatting details. | |
2297 | */ | |
2298 | struct ref_format dummy = REF_FORMAT_INIT; | |
29ef53cd | 2299 | const char *end = atom + strlen(atom); |
e6ff7b3b OT |
2300 | struct strbuf err = STRBUF_INIT; |
2301 | int res = parse_ref_filter_atom(&dummy, atom, end, &err); | |
2302 | if (res < 0) | |
2303 | die("%s", err.buf); | |
2304 | strbuf_release(&err); | |
2305 | return res; | |
29ef53cd JK |
2306 | } |
2307 | ||
c95b7585 KN |
2308 | /* If no sorting option is given, use refname to sort as default */ |
2309 | struct ref_sorting *ref_default_sorting(void) | |
2310 | { | |
2311 | static const char cstr_name[] = "refname"; | |
2312 | ||
2313 | struct ref_sorting *sorting = xcalloc(1, sizeof(*sorting)); | |
2314 | ||
2315 | sorting->next = NULL; | |
29ef53cd | 2316 | sorting->atom = parse_sorting_atom(cstr_name); |
c95b7585 KN |
2317 | return sorting; |
2318 | } | |
2319 | ||
18a25650 | 2320 | void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg) |
c95b7585 | 2321 | { |
c95b7585 | 2322 | struct ref_sorting *s; |
c95b7585 | 2323 | |
c95b7585 KN |
2324 | s = xcalloc(1, sizeof(*s)); |
2325 | s->next = *sorting_tail; | |
2326 | *sorting_tail = s; | |
2327 | ||
2328 | if (*arg == '-') { | |
2329 | s->reverse = 1; | |
2330 | arg++; | |
2331 | } | |
90c00408 KN |
2332 | if (skip_prefix(arg, "version:", &arg) || |
2333 | skip_prefix(arg, "v:", &arg)) | |
2334 | s->version = 1; | |
29ef53cd | 2335 | s->atom = parse_sorting_atom(arg); |
18a25650 JK |
2336 | } |
2337 | ||
2338 | int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset) | |
2339 | { | |
2340 | if (!arg) /* should --no-sort void the list ? */ | |
2341 | return -1; | |
2342 | parse_ref_sorting(opt->value, arg); | |
c95b7585 KN |
2343 | return 0; |
2344 | } | |
5afcb905 KN |
2345 | |
2346 | int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) | |
2347 | { | |
2348 | struct ref_filter *rf = opt->value; | |
1e43ed98 | 2349 | struct object_id oid; |
17d6c744 | 2350 | int no_merged = starts_with(opt->long_name, "no"); |
5afcb905 | 2351 | |
17d6c744 ÆAB |
2352 | if (rf->merge) { |
2353 | if (no_merged) { | |
2354 | return opterror(opt, "is incompatible with --merged", 0); | |
2355 | } else { | |
2356 | return opterror(opt, "is incompatible with --no-merged", 0); | |
2357 | } | |
2358 | } | |
5afcb905 | 2359 | |
17d6c744 | 2360 | rf->merge = no_merged |
5afcb905 KN |
2361 | ? REF_FILTER_MERGED_OMIT |
2362 | : REF_FILTER_MERGED_INCLUDE; | |
2363 | ||
1e43ed98 | 2364 | if (get_oid(arg, &oid)) |
5afcb905 KN |
2365 | die(_("malformed object name %s"), arg); |
2366 | ||
bc83266a | 2367 | rf->merge_commit = lookup_commit_reference_gently(&oid, 0); |
5afcb905 KN |
2368 | if (!rf->merge_commit) |
2369 | return opterror(opt, "must point to a commit", 0); | |
2370 | ||
2371 | return 0; | |
2372 | } |