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1 | #include "cache.h" | |
2 | #include "config.h" | |
3 | #include "commit.h" | |
4 | #include "utf8.h" | |
5 | #include "diff.h" | |
6 | #include "revision.h" | |
7 | #include "string-list.h" | |
8 | #include "mailmap.h" | |
9 | #include "log-tree.h" | |
10 | #include "notes.h" | |
11 | #include "color.h" | |
12 | #include "reflog-walk.h" | |
13 | #include "gpg-interface.h" | |
14 | #include "trailer.h" | |
15 | ||
16 | static char *user_format; | |
17 | static struct cmt_fmt_map { | |
18 | const char *name; | |
19 | enum cmit_fmt format; | |
20 | int is_tformat; | |
21 | int expand_tabs_in_log; | |
22 | int is_alias; | |
23 | enum date_mode_type default_date_mode_type; | |
24 | const char *user_format; | |
25 | } *commit_formats; | |
26 | static size_t builtin_formats_len; | |
27 | static size_t commit_formats_len; | |
28 | static size_t commit_formats_alloc; | |
29 | static struct cmt_fmt_map *find_commit_format(const char *sought); | |
30 | ||
31 | int commit_format_is_empty(enum cmit_fmt fmt) | |
32 | { | |
33 | return fmt == CMIT_FMT_USERFORMAT && !*user_format; | |
34 | } | |
35 | ||
36 | static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) | |
37 | { | |
38 | free(user_format); | |
39 | user_format = xstrdup(cp); | |
40 | if (is_tformat) | |
41 | rev->use_terminator = 1; | |
42 | rev->commit_format = CMIT_FMT_USERFORMAT; | |
43 | } | |
44 | ||
45 | static int git_pretty_formats_config(const char *var, const char *value, void *cb) | |
46 | { | |
47 | struct cmt_fmt_map *commit_format = NULL; | |
48 | const char *name; | |
49 | const char *fmt; | |
50 | int i; | |
51 | ||
52 | if (!skip_prefix(var, "pretty.", &name)) | |
53 | return 0; | |
54 | ||
55 | for (i = 0; i < builtin_formats_len; i++) { | |
56 | if (!strcmp(commit_formats[i].name, name)) | |
57 | return 0; | |
58 | } | |
59 | ||
60 | for (i = builtin_formats_len; i < commit_formats_len; i++) { | |
61 | if (!strcmp(commit_formats[i].name, name)) { | |
62 | commit_format = &commit_formats[i]; | |
63 | break; | |
64 | } | |
65 | } | |
66 | ||
67 | if (!commit_format) { | |
68 | ALLOC_GROW(commit_formats, commit_formats_len+1, | |
69 | commit_formats_alloc); | |
70 | commit_format = &commit_formats[commit_formats_len]; | |
71 | memset(commit_format, 0, sizeof(*commit_format)); | |
72 | commit_formats_len++; | |
73 | } | |
74 | ||
75 | commit_format->name = xstrdup(name); | |
76 | commit_format->format = CMIT_FMT_USERFORMAT; | |
77 | if (git_config_string(&fmt, var, value)) | |
78 | return -1; | |
79 | ||
80 | if (skip_prefix(fmt, "format:", &fmt)) | |
81 | commit_format->is_tformat = 0; | |
82 | else if (skip_prefix(fmt, "tformat:", &fmt) || strchr(fmt, '%')) | |
83 | commit_format->is_tformat = 1; | |
84 | else | |
85 | commit_format->is_alias = 1; | |
86 | commit_format->user_format = fmt; | |
87 | ||
88 | return 0; | |
89 | } | |
90 | ||
91 | static void setup_commit_formats(void) | |
92 | { | |
93 | struct cmt_fmt_map builtin_formats[] = { | |
94 | { "raw", CMIT_FMT_RAW, 0, 0 }, | |
95 | { "medium", CMIT_FMT_MEDIUM, 0, 8 }, | |
96 | { "short", CMIT_FMT_SHORT, 0, 0 }, | |
97 | { "email", CMIT_FMT_EMAIL, 0, 0 }, | |
98 | { "mboxrd", CMIT_FMT_MBOXRD, 0, 0 }, | |
99 | { "fuller", CMIT_FMT_FULLER, 0, 8 }, | |
100 | { "full", CMIT_FMT_FULL, 0, 8 }, | |
101 | { "oneline", CMIT_FMT_ONELINE, 1, 0 }, | |
102 | { "reference", CMIT_FMT_USERFORMAT, 1, 0, | |
103 | 0, DATE_SHORT, "%C(auto)%h (%s, %ad)" }, | |
104 | /* | |
105 | * Please update $__git_log_pretty_formats in | |
106 | * git-completion.bash when you add new formats. | |
107 | */ | |
108 | }; | |
109 | commit_formats_len = ARRAY_SIZE(builtin_formats); | |
110 | builtin_formats_len = commit_formats_len; | |
111 | ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); | |
112 | COPY_ARRAY(commit_formats, builtin_formats, | |
113 | ARRAY_SIZE(builtin_formats)); | |
114 | ||
115 | git_config(git_pretty_formats_config, NULL); | |
116 | } | |
117 | ||
118 | static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, | |
119 | const char *original, | |
120 | int num_redirections) | |
121 | { | |
122 | struct cmt_fmt_map *found = NULL; | |
123 | size_t found_match_len = 0; | |
124 | int i; | |
125 | ||
126 | if (num_redirections >= commit_formats_len) | |
127 | die("invalid --pretty format: " | |
128 | "'%s' references an alias which points to itself", | |
129 | original); | |
130 | ||
131 | for (i = 0; i < commit_formats_len; i++) { | |
132 | size_t match_len; | |
133 | ||
134 | if (!starts_with(commit_formats[i].name, sought)) | |
135 | continue; | |
136 | ||
137 | match_len = strlen(commit_formats[i].name); | |
138 | if (found == NULL || found_match_len > match_len) { | |
139 | found = &commit_formats[i]; | |
140 | found_match_len = match_len; | |
141 | } | |
142 | } | |
143 | ||
144 | if (found && found->is_alias) { | |
145 | found = find_commit_format_recursive(found->user_format, | |
146 | original, | |
147 | num_redirections+1); | |
148 | } | |
149 | ||
150 | return found; | |
151 | } | |
152 | ||
153 | static struct cmt_fmt_map *find_commit_format(const char *sought) | |
154 | { | |
155 | if (!commit_formats) | |
156 | setup_commit_formats(); | |
157 | ||
158 | return find_commit_format_recursive(sought, sought, 0); | |
159 | } | |
160 | ||
161 | void get_commit_format(const char *arg, struct rev_info *rev) | |
162 | { | |
163 | struct cmt_fmt_map *commit_format; | |
164 | ||
165 | rev->use_terminator = 0; | |
166 | if (!arg) { | |
167 | rev->commit_format = CMIT_FMT_DEFAULT; | |
168 | return; | |
169 | } | |
170 | if (skip_prefix(arg, "format:", &arg)) { | |
171 | save_user_format(rev, arg, 0); | |
172 | return; | |
173 | } | |
174 | ||
175 | if (!*arg || skip_prefix(arg, "tformat:", &arg) || strchr(arg, '%')) { | |
176 | save_user_format(rev, arg, 1); | |
177 | return; | |
178 | } | |
179 | ||
180 | commit_format = find_commit_format(arg); | |
181 | if (!commit_format) | |
182 | die("invalid --pretty format: %s", arg); | |
183 | ||
184 | rev->commit_format = commit_format->format; | |
185 | rev->use_terminator = commit_format->is_tformat; | |
186 | rev->expand_tabs_in_log_default = commit_format->expand_tabs_in_log; | |
187 | if (!rev->date_mode_explicit && commit_format->default_date_mode_type) | |
188 | rev->date_mode.type = commit_format->default_date_mode_type; | |
189 | if (commit_format->format == CMIT_FMT_USERFORMAT) { | |
190 | save_user_format(rev, commit_format->user_format, | |
191 | commit_format->is_tformat); | |
192 | } | |
193 | } | |
194 | ||
195 | /* | |
196 | * Generic support for pretty-printing the header | |
197 | */ | |
198 | static int get_one_line(const char *msg) | |
199 | { | |
200 | int ret = 0; | |
201 | ||
202 | for (;;) { | |
203 | char c = *msg++; | |
204 | if (!c) | |
205 | break; | |
206 | ret++; | |
207 | if (c == '\n') | |
208 | break; | |
209 | } | |
210 | return ret; | |
211 | } | |
212 | ||
213 | /* High bit set, or ISO-2022-INT */ | |
214 | static int non_ascii(int ch) | |
215 | { | |
216 | return !isascii(ch) || ch == '\033'; | |
217 | } | |
218 | ||
219 | int has_non_ascii(const char *s) | |
220 | { | |
221 | int ch; | |
222 | if (!s) | |
223 | return 0; | |
224 | while ((ch = *s++) != '\0') { | |
225 | if (non_ascii(ch)) | |
226 | return 1; | |
227 | } | |
228 | return 0; | |
229 | } | |
230 | ||
231 | static int is_rfc822_special(char ch) | |
232 | { | |
233 | switch (ch) { | |
234 | case '(': | |
235 | case ')': | |
236 | case '<': | |
237 | case '>': | |
238 | case '[': | |
239 | case ']': | |
240 | case ':': | |
241 | case ';': | |
242 | case '@': | |
243 | case ',': | |
244 | case '.': | |
245 | case '"': | |
246 | case '\\': | |
247 | return 1; | |
248 | default: | |
249 | return 0; | |
250 | } | |
251 | } | |
252 | ||
253 | static int needs_rfc822_quoting(const char *s, int len) | |
254 | { | |
255 | int i; | |
256 | for (i = 0; i < len; i++) | |
257 | if (is_rfc822_special(s[i])) | |
258 | return 1; | |
259 | return 0; | |
260 | } | |
261 | ||
262 | static int last_line_length(struct strbuf *sb) | |
263 | { | |
264 | int i; | |
265 | ||
266 | /* How many bytes are already used on the last line? */ | |
267 | for (i = sb->len - 1; i >= 0; i--) | |
268 | if (sb->buf[i] == '\n') | |
269 | break; | |
270 | return sb->len - (i + 1); | |
271 | } | |
272 | ||
273 | static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) | |
274 | { | |
275 | int i; | |
276 | ||
277 | /* just a guess, we may have to also backslash-quote */ | |
278 | strbuf_grow(out, len + 2); | |
279 | ||
280 | strbuf_addch(out, '"'); | |
281 | for (i = 0; i < len; i++) { | |
282 | switch (s[i]) { | |
283 | case '"': | |
284 | case '\\': | |
285 | strbuf_addch(out, '\\'); | |
286 | /* fall through */ | |
287 | default: | |
288 | strbuf_addch(out, s[i]); | |
289 | } | |
290 | } | |
291 | strbuf_addch(out, '"'); | |
292 | } | |
293 | ||
294 | enum rfc2047_type { | |
295 | RFC2047_SUBJECT, | |
296 | RFC2047_ADDRESS | |
297 | }; | |
298 | ||
299 | static int is_rfc2047_special(char ch, enum rfc2047_type type) | |
300 | { | |
301 | /* | |
302 | * rfc2047, section 4.2: | |
303 | * | |
304 | * 8-bit values which correspond to printable ASCII characters other | |
305 | * than "=", "?", and "_" (underscore), MAY be represented as those | |
306 | * characters. (But see section 5 for restrictions.) In | |
307 | * particular, SPACE and TAB MUST NOT be represented as themselves | |
308 | * within encoded words. | |
309 | */ | |
310 | ||
311 | /* | |
312 | * rule out non-ASCII characters and non-printable characters (the | |
313 | * non-ASCII check should be redundant as isprint() is not localized | |
314 | * and only knows about ASCII, but be defensive about that) | |
315 | */ | |
316 | if (non_ascii(ch) || !isprint(ch)) | |
317 | return 1; | |
318 | ||
319 | /* | |
320 | * rule out special printable characters (' ' should be the only | |
321 | * whitespace character considered printable, but be defensive and use | |
322 | * isspace()) | |
323 | */ | |
324 | if (isspace(ch) || ch == '=' || ch == '?' || ch == '_') | |
325 | return 1; | |
326 | ||
327 | /* | |
328 | * rfc2047, section 5.3: | |
329 | * | |
330 | * As a replacement for a 'word' entity within a 'phrase', for example, | |
331 | * one that precedes an address in a From, To, or Cc header. The ABNF | |
332 | * definition for 'phrase' from RFC 822 thus becomes: | |
333 | * | |
334 | * phrase = 1*( encoded-word / word ) | |
335 | * | |
336 | * In this case the set of characters that may be used in a "Q"-encoded | |
337 | * 'encoded-word' is restricted to: <upper and lower case ASCII | |
338 | * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" | |
339 | * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a | |
340 | * 'phrase' MUST be separated from any adjacent 'word', 'text' or | |
341 | * 'special' by 'linear-white-space'. | |
342 | */ | |
343 | ||
344 | if (type != RFC2047_ADDRESS) | |
345 | return 0; | |
346 | ||
347 | /* '=' and '_' are special cases and have been checked above */ | |
348 | return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/'); | |
349 | } | |
350 | ||
351 | static int needs_rfc2047_encoding(const char *line, int len) | |
352 | { | |
353 | int i; | |
354 | ||
355 | for (i = 0; i < len; i++) { | |
356 | int ch = line[i]; | |
357 | if (non_ascii(ch) || ch == '\n') | |
358 | return 1; | |
359 | if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) | |
360 | return 1; | |
361 | } | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
366 | static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, | |
367 | const char *encoding, enum rfc2047_type type) | |
368 | { | |
369 | static const int max_encoded_length = 76; /* per rfc2047 */ | |
370 | int i; | |
371 | int line_len = last_line_length(sb); | |
372 | ||
373 | strbuf_grow(sb, len * 3 + strlen(encoding) + 100); | |
374 | strbuf_addf(sb, "=?%s?q?", encoding); | |
375 | line_len += strlen(encoding) + 5; /* 5 for =??q? */ | |
376 | ||
377 | while (len) { | |
378 | /* | |
379 | * RFC 2047, section 5 (3): | |
380 | * | |
381 | * Each 'encoded-word' MUST represent an integral number of | |
382 | * characters. A multi-octet character may not be split across | |
383 | * adjacent 'encoded- word's. | |
384 | */ | |
385 | const unsigned char *p = (const unsigned char *)line; | |
386 | int chrlen = mbs_chrlen(&line, &len, encoding); | |
387 | int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); | |
388 | ||
389 | /* "=%02X" * chrlen, or the byte itself */ | |
390 | const char *encoded_fmt = is_special ? "=%02X" : "%c"; | |
391 | int encoded_len = is_special ? 3 * chrlen : 1; | |
392 | ||
393 | /* | |
394 | * According to RFC 2047, we could encode the special character | |
395 | * ' ' (space) with '_' (underscore) for readability. But many | |
396 | * programs do not understand this and just leave the | |
397 | * underscore in place. Thus, we do nothing special here, which | |
398 | * causes ' ' to be encoded as '=20', avoiding this problem. | |
399 | */ | |
400 | ||
401 | if (line_len + encoded_len + 2 > max_encoded_length) { | |
402 | /* It won't fit with trailing "?=" --- break the line */ | |
403 | strbuf_addf(sb, "?=\n =?%s?q?", encoding); | |
404 | line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ | |
405 | } | |
406 | ||
407 | for (i = 0; i < chrlen; i++) | |
408 | strbuf_addf(sb, encoded_fmt, p[i]); | |
409 | line_len += encoded_len; | |
410 | } | |
411 | strbuf_addstr(sb, "?="); | |
412 | } | |
413 | ||
414 | const char *show_ident_date(const struct ident_split *ident, | |
415 | const struct date_mode *mode) | |
416 | { | |
417 | timestamp_t date = 0; | |
418 | long tz = 0; | |
419 | ||
420 | if (ident->date_begin && ident->date_end) | |
421 | date = parse_timestamp(ident->date_begin, NULL, 10); | |
422 | if (date_overflows(date)) | |
423 | date = 0; | |
424 | else { | |
425 | if (ident->tz_begin && ident->tz_end) | |
426 | tz = strtol(ident->tz_begin, NULL, 10); | |
427 | if (tz >= INT_MAX || tz <= INT_MIN) | |
428 | tz = 0; | |
429 | } | |
430 | return show_date(date, tz, mode); | |
431 | } | |
432 | ||
433 | void pp_user_info(struct pretty_print_context *pp, | |
434 | const char *what, struct strbuf *sb, | |
435 | const char *line, const char *encoding) | |
436 | { | |
437 | struct ident_split ident; | |
438 | char *line_end; | |
439 | const char *mailbuf, *namebuf; | |
440 | size_t namelen, maillen; | |
441 | int max_length = 78; /* per rfc2822 */ | |
442 | ||
443 | if (pp->fmt == CMIT_FMT_ONELINE) | |
444 | return; | |
445 | ||
446 | line_end = strchrnul(line, '\n'); | |
447 | if (split_ident_line(&ident, line, line_end - line)) | |
448 | return; | |
449 | ||
450 | mailbuf = ident.mail_begin; | |
451 | maillen = ident.mail_end - ident.mail_begin; | |
452 | namebuf = ident.name_begin; | |
453 | namelen = ident.name_end - ident.name_begin; | |
454 | ||
455 | if (pp->mailmap) | |
456 | map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); | |
457 | ||
458 | if (cmit_fmt_is_mail(pp->fmt)) { | |
459 | if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { | |
460 | struct strbuf buf = STRBUF_INIT; | |
461 | ||
462 | strbuf_addstr(&buf, "From: "); | |
463 | strbuf_add(&buf, namebuf, namelen); | |
464 | strbuf_addstr(&buf, " <"); | |
465 | strbuf_add(&buf, mailbuf, maillen); | |
466 | strbuf_addstr(&buf, ">\n"); | |
467 | string_list_append(&pp->in_body_headers, | |
468 | strbuf_detach(&buf, NULL)); | |
469 | ||
470 | mailbuf = pp->from_ident->mail_begin; | |
471 | maillen = pp->from_ident->mail_end - mailbuf; | |
472 | namebuf = pp->from_ident->name_begin; | |
473 | namelen = pp->from_ident->name_end - namebuf; | |
474 | } | |
475 | ||
476 | strbuf_addstr(sb, "From: "); | |
477 | if (pp->encode_email_headers && | |
478 | needs_rfc2047_encoding(namebuf, namelen)) { | |
479 | add_rfc2047(sb, namebuf, namelen, | |
480 | encoding, RFC2047_ADDRESS); | |
481 | max_length = 76; /* per rfc2047 */ | |
482 | } else if (needs_rfc822_quoting(namebuf, namelen)) { | |
483 | struct strbuf quoted = STRBUF_INIT; | |
484 | add_rfc822_quoted("ed, namebuf, namelen); | |
485 | strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, | |
486 | -6, 1, max_length); | |
487 | strbuf_release("ed); | |
488 | } else { | |
489 | strbuf_add_wrapped_bytes(sb, namebuf, namelen, | |
490 | -6, 1, max_length); | |
491 | } | |
492 | ||
493 | if (max_length < | |
494 | last_line_length(sb) + strlen(" <") + maillen + strlen(">")) | |
495 | strbuf_addch(sb, '\n'); | |
496 | strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); | |
497 | } else { | |
498 | strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, | |
499 | (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", | |
500 | (int)namelen, namebuf, (int)maillen, mailbuf); | |
501 | } | |
502 | ||
503 | switch (pp->fmt) { | |
504 | case CMIT_FMT_MEDIUM: | |
505 | strbuf_addf(sb, "Date: %s\n", | |
506 | show_ident_date(&ident, &pp->date_mode)); | |
507 | break; | |
508 | case CMIT_FMT_EMAIL: | |
509 | case CMIT_FMT_MBOXRD: | |
510 | strbuf_addf(sb, "Date: %s\n", | |
511 | show_ident_date(&ident, DATE_MODE(RFC2822))); | |
512 | break; | |
513 | case CMIT_FMT_FULLER: | |
514 | strbuf_addf(sb, "%sDate: %s\n", what, | |
515 | show_ident_date(&ident, &pp->date_mode)); | |
516 | break; | |
517 | default: | |
518 | /* notin' */ | |
519 | break; | |
520 | } | |
521 | } | |
522 | ||
523 | static int is_blank_line(const char *line, int *len_p) | |
524 | { | |
525 | int len = *len_p; | |
526 | while (len && isspace(line[len - 1])) | |
527 | len--; | |
528 | *len_p = len; | |
529 | return !len; | |
530 | } | |
531 | ||
532 | const char *skip_blank_lines(const char *msg) | |
533 | { | |
534 | for (;;) { | |
535 | int linelen = get_one_line(msg); | |
536 | int ll = linelen; | |
537 | if (!linelen) | |
538 | break; | |
539 | if (!is_blank_line(msg, &ll)) | |
540 | break; | |
541 | msg += linelen; | |
542 | } | |
543 | return msg; | |
544 | } | |
545 | ||
546 | static void add_merge_info(const struct pretty_print_context *pp, | |
547 | struct strbuf *sb, const struct commit *commit) | |
548 | { | |
549 | struct commit_list *parent = commit->parents; | |
550 | ||
551 | if ((pp->fmt == CMIT_FMT_ONELINE) || (cmit_fmt_is_mail(pp->fmt)) || | |
552 | !parent || !parent->next) | |
553 | return; | |
554 | ||
555 | strbuf_addstr(sb, "Merge:"); | |
556 | ||
557 | while (parent) { | |
558 | struct object_id *oidp = &parent->item->object.oid; | |
559 | strbuf_addch(sb, ' '); | |
560 | if (pp->abbrev) | |
561 | strbuf_add_unique_abbrev(sb, oidp, pp->abbrev); | |
562 | else | |
563 | strbuf_addstr(sb, oid_to_hex(oidp)); | |
564 | parent = parent->next; | |
565 | } | |
566 | strbuf_addch(sb, '\n'); | |
567 | } | |
568 | ||
569 | static char *get_header(const char *msg, const char *key) | |
570 | { | |
571 | size_t len; | |
572 | const char *v = find_commit_header(msg, key, &len); | |
573 | return v ? xmemdupz(v, len) : NULL; | |
574 | } | |
575 | ||
576 | static char *replace_encoding_header(char *buf, const char *encoding) | |
577 | { | |
578 | struct strbuf tmp = STRBUF_INIT; | |
579 | size_t start, len; | |
580 | char *cp = buf; | |
581 | ||
582 | /* guess if there is an encoding header before a \n\n */ | |
583 | while (!starts_with(cp, "encoding ")) { | |
584 | cp = strchr(cp, '\n'); | |
585 | if (!cp || *++cp == '\n') | |
586 | return buf; | |
587 | } | |
588 | start = cp - buf; | |
589 | cp = strchr(cp, '\n'); | |
590 | if (!cp) | |
591 | return buf; /* should not happen but be defensive */ | |
592 | len = cp + 1 - (buf + start); | |
593 | ||
594 | strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); | |
595 | if (is_encoding_utf8(encoding)) { | |
596 | /* we have re-coded to UTF-8; drop the header */ | |
597 | strbuf_remove(&tmp, start, len); | |
598 | } else { | |
599 | /* just replaces XXXX in 'encoding XXXX\n' */ | |
600 | strbuf_splice(&tmp, start + strlen("encoding "), | |
601 | len - strlen("encoding \n"), | |
602 | encoding, strlen(encoding)); | |
603 | } | |
604 | return strbuf_detach(&tmp, NULL); | |
605 | } | |
606 | ||
607 | const char *repo_logmsg_reencode(struct repository *r, | |
608 | const struct commit *commit, | |
609 | char **commit_encoding, | |
610 | const char *output_encoding) | |
611 | { | |
612 | static const char *utf8 = "UTF-8"; | |
613 | const char *use_encoding; | |
614 | char *encoding; | |
615 | const char *msg = repo_get_commit_buffer(r, commit, NULL); | |
616 | char *out; | |
617 | ||
618 | if (!output_encoding || !*output_encoding) { | |
619 | if (commit_encoding) | |
620 | *commit_encoding = get_header(msg, "encoding"); | |
621 | return msg; | |
622 | } | |
623 | encoding = get_header(msg, "encoding"); | |
624 | if (commit_encoding) | |
625 | *commit_encoding = encoding; | |
626 | use_encoding = encoding ? encoding : utf8; | |
627 | if (same_encoding(use_encoding, output_encoding)) { | |
628 | /* | |
629 | * No encoding work to be done. If we have no encoding header | |
630 | * at all, then there's nothing to do, and we can return the | |
631 | * message verbatim (whether newly allocated or not). | |
632 | */ | |
633 | if (!encoding) | |
634 | return msg; | |
635 | ||
636 | /* | |
637 | * Otherwise, we still want to munge the encoding header in the | |
638 | * result, which will be done by modifying the buffer. If we | |
639 | * are using a fresh copy, we can reuse it. But if we are using | |
640 | * the cached copy from get_commit_buffer, we need to duplicate it | |
641 | * to avoid munging the cached copy. | |
642 | */ | |
643 | if (msg == get_cached_commit_buffer(r, commit, NULL)) | |
644 | out = xstrdup(msg); | |
645 | else | |
646 | out = (char *)msg; | |
647 | } | |
648 | else { | |
649 | /* | |
650 | * There's actual encoding work to do. Do the reencoding, which | |
651 | * still leaves the header to be replaced in the next step. At | |
652 | * this point, we are done with msg. If we allocated a fresh | |
653 | * copy, we can free it. | |
654 | */ | |
655 | out = reencode_string(msg, output_encoding, use_encoding); | |
656 | if (out) | |
657 | repo_unuse_commit_buffer(r, commit, msg); | |
658 | } | |
659 | ||
660 | /* | |
661 | * This replacement actually consumes the buffer we hand it, so we do | |
662 | * not have to worry about freeing the old "out" here. | |
663 | */ | |
664 | if (out) | |
665 | out = replace_encoding_header(out, output_encoding); | |
666 | ||
667 | if (!commit_encoding) | |
668 | free(encoding); | |
669 | /* | |
670 | * If the re-encoding failed, out might be NULL here; in that | |
671 | * case we just return the commit message verbatim. | |
672 | */ | |
673 | return out ? out : msg; | |
674 | } | |
675 | ||
676 | static int mailmap_name(const char **email, size_t *email_len, | |
677 | const char **name, size_t *name_len) | |
678 | { | |
679 | static struct string_list *mail_map; | |
680 | if (!mail_map) { | |
681 | mail_map = xcalloc(1, sizeof(*mail_map)); | |
682 | read_mailmap(mail_map, NULL); | |
683 | } | |
684 | return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); | |
685 | } | |
686 | ||
687 | static size_t format_person_part(struct strbuf *sb, char part, | |
688 | const char *msg, int len, | |
689 | const struct date_mode *dmode) | |
690 | { | |
691 | /* currently all placeholders have same length */ | |
692 | const int placeholder_len = 2; | |
693 | struct ident_split s; | |
694 | const char *name, *mail; | |
695 | size_t maillen, namelen; | |
696 | ||
697 | if (split_ident_line(&s, msg, len) < 0) | |
698 | goto skip; | |
699 | ||
700 | name = s.name_begin; | |
701 | namelen = s.name_end - s.name_begin; | |
702 | mail = s.mail_begin; | |
703 | maillen = s.mail_end - s.mail_begin; | |
704 | ||
705 | if (part == 'N' || part == 'E' || part == 'L') /* mailmap lookup */ | |
706 | mailmap_name(&mail, &maillen, &name, &namelen); | |
707 | if (part == 'n' || part == 'N') { /* name */ | |
708 | strbuf_add(sb, name, namelen); | |
709 | return placeholder_len; | |
710 | } | |
711 | if (part == 'e' || part == 'E') { /* email */ | |
712 | strbuf_add(sb, mail, maillen); | |
713 | return placeholder_len; | |
714 | } | |
715 | if (part == 'l' || part == 'L') { /* local-part */ | |
716 | const char *at = memchr(mail, '@', maillen); | |
717 | if (at) | |
718 | maillen = at - mail; | |
719 | strbuf_add(sb, mail, maillen); | |
720 | return placeholder_len; | |
721 | } | |
722 | ||
723 | if (!s.date_begin) | |
724 | goto skip; | |
725 | ||
726 | if (part == 't') { /* date, UNIX timestamp */ | |
727 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); | |
728 | return placeholder_len; | |
729 | } | |
730 | ||
731 | switch (part) { | |
732 | case 'd': /* date */ | |
733 | strbuf_addstr(sb, show_ident_date(&s, dmode)); | |
734 | return placeholder_len; | |
735 | case 'D': /* date, RFC2822 style */ | |
736 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RFC2822))); | |
737 | return placeholder_len; | |
738 | case 'r': /* date, relative */ | |
739 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RELATIVE))); | |
740 | return placeholder_len; | |
741 | case 'i': /* date, ISO 8601-like */ | |
742 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601))); | |
743 | return placeholder_len; | |
744 | case 'I': /* date, ISO 8601 strict */ | |
745 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601_STRICT))); | |
746 | return placeholder_len; | |
747 | case 's': | |
748 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(SHORT))); | |
749 | return placeholder_len; | |
750 | } | |
751 | ||
752 | skip: | |
753 | /* | |
754 | * reading from either a bogus commit, or a reflog entry with | |
755 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
756 | * to compute a valid return value. | |
757 | */ | |
758 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
759 | || part == 'D' || part == 'r' || part == 'i') | |
760 | return placeholder_len; | |
761 | ||
762 | return 0; /* unknown placeholder */ | |
763 | } | |
764 | ||
765 | struct chunk { | |
766 | size_t off; | |
767 | size_t len; | |
768 | }; | |
769 | ||
770 | enum flush_type { | |
771 | no_flush, | |
772 | flush_right, | |
773 | flush_left, | |
774 | flush_left_and_steal, | |
775 | flush_both | |
776 | }; | |
777 | ||
778 | enum trunc_type { | |
779 | trunc_none, | |
780 | trunc_left, | |
781 | trunc_middle, | |
782 | trunc_right | |
783 | }; | |
784 | ||
785 | struct format_commit_context { | |
786 | const struct commit *commit; | |
787 | const struct pretty_print_context *pretty_ctx; | |
788 | unsigned commit_header_parsed:1; | |
789 | unsigned commit_message_parsed:1; | |
790 | struct signature_check signature_check; | |
791 | enum flush_type flush_type; | |
792 | enum trunc_type truncate; | |
793 | const char *message; | |
794 | char *commit_encoding; | |
795 | size_t width, indent1, indent2; | |
796 | int auto_color; | |
797 | int padding; | |
798 | ||
799 | /* These offsets are relative to the start of the commit message. */ | |
800 | struct chunk author; | |
801 | struct chunk committer; | |
802 | size_t message_off; | |
803 | size_t subject_off; | |
804 | size_t body_off; | |
805 | ||
806 | /* The following ones are relative to the result struct strbuf. */ | |
807 | size_t wrap_start; | |
808 | }; | |
809 | ||
810 | static void parse_commit_header(struct format_commit_context *context) | |
811 | { | |
812 | const char *msg = context->message; | |
813 | int i; | |
814 | ||
815 | for (i = 0; msg[i]; i++) { | |
816 | const char *name; | |
817 | int eol; | |
818 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
819 | ; /* do nothing */ | |
820 | ||
821 | if (i == eol) { | |
822 | break; | |
823 | } else if (skip_prefix(msg + i, "author ", &name)) { | |
824 | context->author.off = name - msg; | |
825 | context->author.len = msg + eol - name; | |
826 | } else if (skip_prefix(msg + i, "committer ", &name)) { | |
827 | context->committer.off = name - msg; | |
828 | context->committer.len = msg + eol - name; | |
829 | } | |
830 | i = eol; | |
831 | } | |
832 | context->message_off = i; | |
833 | context->commit_header_parsed = 1; | |
834 | } | |
835 | ||
836 | static int istitlechar(char c) | |
837 | { | |
838 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
839 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
840 | } | |
841 | ||
842 | static void format_sanitized_subject(struct strbuf *sb, const char *msg) | |
843 | { | |
844 | size_t trimlen; | |
845 | size_t start_len = sb->len; | |
846 | int space = 2; | |
847 | ||
848 | for (; *msg && *msg != '\n'; msg++) { | |
849 | if (istitlechar(*msg)) { | |
850 | if (space == 1) | |
851 | strbuf_addch(sb, '-'); | |
852 | space = 0; | |
853 | strbuf_addch(sb, *msg); | |
854 | if (*msg == '.') | |
855 | while (*(msg+1) == '.') | |
856 | msg++; | |
857 | } else | |
858 | space |= 1; | |
859 | } | |
860 | ||
861 | /* trim any trailing '.' or '-' characters */ | |
862 | trimlen = 0; | |
863 | while (sb->len - trimlen > start_len && | |
864 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
865 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
866 | trimlen++; | |
867 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
868 | } | |
869 | ||
870 | const char *format_subject(struct strbuf *sb, const char *msg, | |
871 | const char *line_separator) | |
872 | { | |
873 | int first = 1; | |
874 | ||
875 | for (;;) { | |
876 | const char *line = msg; | |
877 | int linelen = get_one_line(line); | |
878 | ||
879 | msg += linelen; | |
880 | if (!linelen || is_blank_line(line, &linelen)) | |
881 | break; | |
882 | ||
883 | if (!sb) | |
884 | continue; | |
885 | strbuf_grow(sb, linelen + 2); | |
886 | if (!first) | |
887 | strbuf_addstr(sb, line_separator); | |
888 | strbuf_add(sb, line, linelen); | |
889 | first = 0; | |
890 | } | |
891 | return msg; | |
892 | } | |
893 | ||
894 | static void parse_commit_message(struct format_commit_context *c) | |
895 | { | |
896 | const char *msg = c->message + c->message_off; | |
897 | const char *start = c->message; | |
898 | ||
899 | msg = skip_blank_lines(msg); | |
900 | c->subject_off = msg - start; | |
901 | ||
902 | msg = format_subject(NULL, msg, NULL); | |
903 | msg = skip_blank_lines(msg); | |
904 | c->body_off = msg - start; | |
905 | ||
906 | c->commit_message_parsed = 1; | |
907 | } | |
908 | ||
909 | static void strbuf_wrap(struct strbuf *sb, size_t pos, | |
910 | size_t width, size_t indent1, size_t indent2) | |
911 | { | |
912 | struct strbuf tmp = STRBUF_INIT; | |
913 | ||
914 | if (pos) | |
915 | strbuf_add(&tmp, sb->buf, pos); | |
916 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
917 | (int) indent1, (int) indent2, (int) width); | |
918 | strbuf_swap(&tmp, sb); | |
919 | strbuf_release(&tmp); | |
920 | } | |
921 | ||
922 | static void rewrap_message_tail(struct strbuf *sb, | |
923 | struct format_commit_context *c, | |
924 | size_t new_width, size_t new_indent1, | |
925 | size_t new_indent2) | |
926 | { | |
927 | if (c->width == new_width && c->indent1 == new_indent1 && | |
928 | c->indent2 == new_indent2) | |
929 | return; | |
930 | if (c->wrap_start < sb->len) | |
931 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); | |
932 | c->wrap_start = sb->len; | |
933 | c->width = new_width; | |
934 | c->indent1 = new_indent1; | |
935 | c->indent2 = new_indent2; | |
936 | } | |
937 | ||
938 | static int format_reflog_person(struct strbuf *sb, | |
939 | char part, | |
940 | struct reflog_walk_info *log, | |
941 | const struct date_mode *dmode) | |
942 | { | |
943 | const char *ident; | |
944 | ||
945 | if (!log) | |
946 | return 2; | |
947 | ||
948 | ident = get_reflog_ident(log); | |
949 | if (!ident) | |
950 | return 2; | |
951 | ||
952 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
953 | } | |
954 | ||
955 | static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ | |
956 | const char *placeholder, | |
957 | struct format_commit_context *c) | |
958 | { | |
959 | const char *rest = placeholder; | |
960 | const char *basic_color = NULL; | |
961 | ||
962 | if (placeholder[1] == '(') { | |
963 | const char *begin = placeholder + 2; | |
964 | const char *end = strchr(begin, ')'); | |
965 | char color[COLOR_MAXLEN]; | |
966 | ||
967 | if (!end) | |
968 | return 0; | |
969 | ||
970 | if (skip_prefix(begin, "auto,", &begin)) { | |
971 | if (!want_color(c->pretty_ctx->color)) | |
972 | return end - placeholder + 1; | |
973 | } else if (skip_prefix(begin, "always,", &begin)) { | |
974 | /* nothing to do; we do not respect want_color at all */ | |
975 | } else { | |
976 | /* the default is the same as "auto" */ | |
977 | if (!want_color(c->pretty_ctx->color)) | |
978 | return end - placeholder + 1; | |
979 | } | |
980 | ||
981 | if (color_parse_mem(begin, end - begin, color) < 0) | |
982 | die(_("unable to parse --pretty format")); | |
983 | strbuf_addstr(sb, color); | |
984 | return end - placeholder + 1; | |
985 | } | |
986 | ||
987 | /* | |
988 | * We handle things like "%C(red)" above; for historical reasons, there | |
989 | * are a few colors that can be specified without parentheses (and | |
990 | * they cannot support things like "auto" or "always" at all). | |
991 | */ | |
992 | if (skip_prefix(placeholder + 1, "red", &rest)) | |
993 | basic_color = GIT_COLOR_RED; | |
994 | else if (skip_prefix(placeholder + 1, "green", &rest)) | |
995 | basic_color = GIT_COLOR_GREEN; | |
996 | else if (skip_prefix(placeholder + 1, "blue", &rest)) | |
997 | basic_color = GIT_COLOR_BLUE; | |
998 | else if (skip_prefix(placeholder + 1, "reset", &rest)) | |
999 | basic_color = GIT_COLOR_RESET; | |
1000 | ||
1001 | if (basic_color && want_color(c->pretty_ctx->color)) | |
1002 | strbuf_addstr(sb, basic_color); | |
1003 | ||
1004 | return rest - placeholder; | |
1005 | } | |
1006 | ||
1007 | static size_t parse_padding_placeholder(const char *placeholder, | |
1008 | struct format_commit_context *c) | |
1009 | { | |
1010 | const char *ch = placeholder; | |
1011 | enum flush_type flush_type; | |
1012 | int to_column = 0; | |
1013 | ||
1014 | switch (*ch++) { | |
1015 | case '<': | |
1016 | flush_type = flush_right; | |
1017 | break; | |
1018 | case '>': | |
1019 | if (*ch == '<') { | |
1020 | flush_type = flush_both; | |
1021 | ch++; | |
1022 | } else if (*ch == '>') { | |
1023 | flush_type = flush_left_and_steal; | |
1024 | ch++; | |
1025 | } else | |
1026 | flush_type = flush_left; | |
1027 | break; | |
1028 | default: | |
1029 | return 0; | |
1030 | } | |
1031 | ||
1032 | /* the next value means "wide enough to that column" */ | |
1033 | if (*ch == '|') { | |
1034 | to_column = 1; | |
1035 | ch++; | |
1036 | } | |
1037 | ||
1038 | if (*ch == '(') { | |
1039 | const char *start = ch + 1; | |
1040 | const char *end = start + strcspn(start, ",)"); | |
1041 | char *next; | |
1042 | int width; | |
1043 | if (!end || end == start) | |
1044 | return 0; | |
1045 | width = strtol(start, &next, 10); | |
1046 | if (next == start || width == 0) | |
1047 | return 0; | |
1048 | if (width < 0) { | |
1049 | if (to_column) | |
1050 | width += term_columns(); | |
1051 | if (width < 0) | |
1052 | return 0; | |
1053 | } | |
1054 | c->padding = to_column ? -width : width; | |
1055 | c->flush_type = flush_type; | |
1056 | ||
1057 | if (*end == ',') { | |
1058 | start = end + 1; | |
1059 | end = strchr(start, ')'); | |
1060 | if (!end || end == start) | |
1061 | return 0; | |
1062 | if (starts_with(start, "trunc)")) | |
1063 | c->truncate = trunc_right; | |
1064 | else if (starts_with(start, "ltrunc)")) | |
1065 | c->truncate = trunc_left; | |
1066 | else if (starts_with(start, "mtrunc)")) | |
1067 | c->truncate = trunc_middle; | |
1068 | else | |
1069 | return 0; | |
1070 | } else | |
1071 | c->truncate = trunc_none; | |
1072 | ||
1073 | return end - placeholder + 1; | |
1074 | } | |
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | static int match_placeholder_arg_value(const char *to_parse, const char *candidate, | |
1079 | const char **end, const char **valuestart, | |
1080 | size_t *valuelen) | |
1081 | { | |
1082 | const char *p; | |
1083 | ||
1084 | if (!(skip_prefix(to_parse, candidate, &p))) | |
1085 | return 0; | |
1086 | if (valuestart) { | |
1087 | if (*p == '=') { | |
1088 | *valuestart = p + 1; | |
1089 | *valuelen = strcspn(*valuestart, ",)"); | |
1090 | p = *valuestart + *valuelen; | |
1091 | } else { | |
1092 | if (*p != ',' && *p != ')') | |
1093 | return 0; | |
1094 | *valuestart = NULL; | |
1095 | *valuelen = 0; | |
1096 | } | |
1097 | } | |
1098 | if (*p == ',') { | |
1099 | *end = p + 1; | |
1100 | return 1; | |
1101 | } | |
1102 | if (*p == ')') { | |
1103 | *end = p; | |
1104 | return 1; | |
1105 | } | |
1106 | return 0; | |
1107 | } | |
1108 | ||
1109 | static int match_placeholder_bool_arg(const char *to_parse, const char *candidate, | |
1110 | const char **end, int *val) | |
1111 | { | |
1112 | const char *argval; | |
1113 | char *strval; | |
1114 | size_t arglen; | |
1115 | int v; | |
1116 | ||
1117 | if (!match_placeholder_arg_value(to_parse, candidate, end, &argval, &arglen)) | |
1118 | return 0; | |
1119 | ||
1120 | if (!argval) { | |
1121 | *val = 1; | |
1122 | return 1; | |
1123 | } | |
1124 | ||
1125 | strval = xstrndup(argval, arglen); | |
1126 | v = git_parse_maybe_bool(strval); | |
1127 | free(strval); | |
1128 | ||
1129 | if (v == -1) | |
1130 | return 0; | |
1131 | ||
1132 | *val = v; | |
1133 | ||
1134 | return 1; | |
1135 | } | |
1136 | ||
1137 | static int format_trailer_match_cb(const struct strbuf *key, void *ud) | |
1138 | { | |
1139 | const struct string_list *list = ud; | |
1140 | const struct string_list_item *item; | |
1141 | ||
1142 | for_each_string_list_item (item, list) { | |
1143 | if (key->len == (uintptr_t)item->util && | |
1144 | !strncasecmp(item->string, key->buf, key->len)) | |
1145 | return 1; | |
1146 | } | |
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ | |
1151 | const char *placeholder, | |
1152 | void *context) | |
1153 | { | |
1154 | struct format_commit_context *c = context; | |
1155 | const struct commit *commit = c->commit; | |
1156 | const char *msg = c->message; | |
1157 | struct commit_list *p; | |
1158 | const char *arg; | |
1159 | size_t res; | |
1160 | char **slot; | |
1161 | ||
1162 | /* these are independent of the commit */ | |
1163 | res = strbuf_expand_literal_cb(sb, placeholder, NULL); | |
1164 | if (res) | |
1165 | return res; | |
1166 | ||
1167 | switch (placeholder[0]) { | |
1168 | case 'C': | |
1169 | if (starts_with(placeholder + 1, "(auto)")) { | |
1170 | c->auto_color = want_color(c->pretty_ctx->color); | |
1171 | if (c->auto_color && sb->len) | |
1172 | strbuf_addstr(sb, GIT_COLOR_RESET); | |
1173 | return 7; /* consumed 7 bytes, "C(auto)" */ | |
1174 | } else { | |
1175 | int ret = parse_color(sb, placeholder, c); | |
1176 | if (ret) | |
1177 | c->auto_color = 0; | |
1178 | /* | |
1179 | * Otherwise, we decided to treat %C<unknown> | |
1180 | * as a literal string, and the previous | |
1181 | * %C(auto) is still valid. | |
1182 | */ | |
1183 | return ret; | |
1184 | } | |
1185 | case 'w': | |
1186 | if (placeholder[1] == '(') { | |
1187 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
1188 | char *next; | |
1189 | const char *start = placeholder + 2; | |
1190 | const char *end = strchr(start, ')'); | |
1191 | if (!end) | |
1192 | return 0; | |
1193 | if (end > start) { | |
1194 | width = strtoul(start, &next, 10); | |
1195 | if (*next == ',') { | |
1196 | indent1 = strtoul(next + 1, &next, 10); | |
1197 | if (*next == ',') { | |
1198 | indent2 = strtoul(next + 1, | |
1199 | &next, 10); | |
1200 | } | |
1201 | } | |
1202 | if (*next != ')') | |
1203 | return 0; | |
1204 | } | |
1205 | rewrap_message_tail(sb, c, width, indent1, indent2); | |
1206 | return end - placeholder + 1; | |
1207 | } else | |
1208 | return 0; | |
1209 | ||
1210 | case '<': | |
1211 | case '>': | |
1212 | return parse_padding_placeholder(placeholder, c); | |
1213 | } | |
1214 | ||
1215 | /* these depend on the commit */ | |
1216 | if (!commit->object.parsed) | |
1217 | parse_object(the_repository, &commit->object.oid); | |
1218 | ||
1219 | switch (placeholder[0]) { | |
1220 | case 'H': /* commit hash */ | |
1221 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); | |
1222 | strbuf_addstr(sb, oid_to_hex(&commit->object.oid)); | |
1223 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); | |
1224 | return 1; | |
1225 | case 'h': /* abbreviated commit hash */ | |
1226 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); | |
1227 | strbuf_add_unique_abbrev(sb, &commit->object.oid, | |
1228 | c->pretty_ctx->abbrev); | |
1229 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); | |
1230 | return 1; | |
1231 | case 'T': /* tree hash */ | |
1232 | strbuf_addstr(sb, oid_to_hex(get_commit_tree_oid(commit))); | |
1233 | return 1; | |
1234 | case 't': /* abbreviated tree hash */ | |
1235 | strbuf_add_unique_abbrev(sb, | |
1236 | get_commit_tree_oid(commit), | |
1237 | c->pretty_ctx->abbrev); | |
1238 | return 1; | |
1239 | case 'P': /* parent hashes */ | |
1240 | for (p = commit->parents; p; p = p->next) { | |
1241 | if (p != commit->parents) | |
1242 | strbuf_addch(sb, ' '); | |
1243 | strbuf_addstr(sb, oid_to_hex(&p->item->object.oid)); | |
1244 | } | |
1245 | return 1; | |
1246 | case 'p': /* abbreviated parent hashes */ | |
1247 | for (p = commit->parents; p; p = p->next) { | |
1248 | if (p != commit->parents) | |
1249 | strbuf_addch(sb, ' '); | |
1250 | strbuf_add_unique_abbrev(sb, &p->item->object.oid, | |
1251 | c->pretty_ctx->abbrev); | |
1252 | } | |
1253 | return 1; | |
1254 | case 'm': /* left/right/bottom */ | |
1255 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); | |
1256 | return 1; | |
1257 | case 'd': | |
1258 | format_decorations(sb, commit, c->auto_color); | |
1259 | return 1; | |
1260 | case 'D': | |
1261 | format_decorations_extended(sb, commit, c->auto_color, "", ", ", ""); | |
1262 | return 1; | |
1263 | case 'S': /* tag/branch like --source */ | |
1264 | if (!(c->pretty_ctx->rev && c->pretty_ctx->rev->sources)) | |
1265 | return 0; | |
1266 | slot = revision_sources_at(c->pretty_ctx->rev->sources, commit); | |
1267 | if (!(slot && *slot)) | |
1268 | return 0; | |
1269 | strbuf_addstr(sb, *slot); | |
1270 | return 1; | |
1271 | case 'g': /* reflog info */ | |
1272 | switch(placeholder[1]) { | |
1273 | case 'd': /* reflog selector */ | |
1274 | case 'D': | |
1275 | if (c->pretty_ctx->reflog_info) | |
1276 | get_reflog_selector(sb, | |
1277 | c->pretty_ctx->reflog_info, | |
1278 | &c->pretty_ctx->date_mode, | |
1279 | c->pretty_ctx->date_mode_explicit, | |
1280 | (placeholder[1] == 'd')); | |
1281 | return 2; | |
1282 | case 's': /* reflog message */ | |
1283 | if (c->pretty_ctx->reflog_info) | |
1284 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1285 | return 2; | |
1286 | case 'n': | |
1287 | case 'N': | |
1288 | case 'e': | |
1289 | case 'E': | |
1290 | return format_reflog_person(sb, | |
1291 | placeholder[1], | |
1292 | c->pretty_ctx->reflog_info, | |
1293 | &c->pretty_ctx->date_mode); | |
1294 | } | |
1295 | return 0; /* unknown %g placeholder */ | |
1296 | case 'N': | |
1297 | if (c->pretty_ctx->notes_message) { | |
1298 | strbuf_addstr(sb, c->pretty_ctx->notes_message); | |
1299 | return 1; | |
1300 | } | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | if (placeholder[0] == 'G') { | |
1305 | if (!c->signature_check.result) | |
1306 | check_commit_signature(c->commit, &(c->signature_check)); | |
1307 | switch (placeholder[1]) { | |
1308 | case 'G': | |
1309 | if (c->signature_check.gpg_output) | |
1310 | strbuf_addstr(sb, c->signature_check.gpg_output); | |
1311 | break; | |
1312 | case '?': | |
1313 | switch (c->signature_check.result) { | |
1314 | case 'G': | |
1315 | switch (c->signature_check.trust_level) { | |
1316 | case TRUST_UNDEFINED: | |
1317 | case TRUST_NEVER: | |
1318 | strbuf_addch(sb, 'U'); | |
1319 | break; | |
1320 | default: | |
1321 | strbuf_addch(sb, 'G'); | |
1322 | break; | |
1323 | } | |
1324 | break; | |
1325 | case 'B': | |
1326 | case 'E': | |
1327 | case 'N': | |
1328 | case 'X': | |
1329 | case 'Y': | |
1330 | case 'R': | |
1331 | strbuf_addch(sb, c->signature_check.result); | |
1332 | } | |
1333 | break; | |
1334 | case 'S': | |
1335 | if (c->signature_check.signer) | |
1336 | strbuf_addstr(sb, c->signature_check.signer); | |
1337 | break; | |
1338 | case 'K': | |
1339 | if (c->signature_check.key) | |
1340 | strbuf_addstr(sb, c->signature_check.key); | |
1341 | break; | |
1342 | case 'F': | |
1343 | if (c->signature_check.fingerprint) | |
1344 | strbuf_addstr(sb, c->signature_check.fingerprint); | |
1345 | break; | |
1346 | case 'P': | |
1347 | if (c->signature_check.primary_key_fingerprint) | |
1348 | strbuf_addstr(sb, c->signature_check.primary_key_fingerprint); | |
1349 | break; | |
1350 | case 'T': | |
1351 | switch (c->signature_check.trust_level) { | |
1352 | case TRUST_UNDEFINED: | |
1353 | strbuf_addstr(sb, "undefined"); | |
1354 | break; | |
1355 | case TRUST_NEVER: | |
1356 | strbuf_addstr(sb, "never"); | |
1357 | break; | |
1358 | case TRUST_MARGINAL: | |
1359 | strbuf_addstr(sb, "marginal"); | |
1360 | break; | |
1361 | case TRUST_FULLY: | |
1362 | strbuf_addstr(sb, "fully"); | |
1363 | break; | |
1364 | case TRUST_ULTIMATE: | |
1365 | strbuf_addstr(sb, "ultimate"); | |
1366 | break; | |
1367 | } | |
1368 | break; | |
1369 | default: | |
1370 | return 0; | |
1371 | } | |
1372 | return 2; | |
1373 | } | |
1374 | ||
1375 | ||
1376 | /* For the rest we have to parse the commit header. */ | |
1377 | if (!c->commit_header_parsed) | |
1378 | parse_commit_header(c); | |
1379 | ||
1380 | switch (placeholder[0]) { | |
1381 | case 'a': /* author ... */ | |
1382 | return format_person_part(sb, placeholder[1], | |
1383 | msg + c->author.off, c->author.len, | |
1384 | &c->pretty_ctx->date_mode); | |
1385 | case 'c': /* committer ... */ | |
1386 | return format_person_part(sb, placeholder[1], | |
1387 | msg + c->committer.off, c->committer.len, | |
1388 | &c->pretty_ctx->date_mode); | |
1389 | case 'e': /* encoding */ | |
1390 | if (c->commit_encoding) | |
1391 | strbuf_addstr(sb, c->commit_encoding); | |
1392 | return 1; | |
1393 | case 'B': /* raw body */ | |
1394 | /* message_off is always left at the initial newline */ | |
1395 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1396 | return 1; | |
1397 | } | |
1398 | ||
1399 | /* Now we need to parse the commit message. */ | |
1400 | if (!c->commit_message_parsed) | |
1401 | parse_commit_message(c); | |
1402 | ||
1403 | switch (placeholder[0]) { | |
1404 | case 's': /* subject */ | |
1405 | format_subject(sb, msg + c->subject_off, " "); | |
1406 | return 1; | |
1407 | case 'f': /* sanitized subject */ | |
1408 | format_sanitized_subject(sb, msg + c->subject_off); | |
1409 | return 1; | |
1410 | case 'b': /* body */ | |
1411 | strbuf_addstr(sb, msg + c->body_off); | |
1412 | return 1; | |
1413 | } | |
1414 | ||
1415 | if (skip_prefix(placeholder, "(trailers", &arg)) { | |
1416 | struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; | |
1417 | struct string_list filter_list = STRING_LIST_INIT_NODUP; | |
1418 | struct strbuf sepbuf = STRBUF_INIT; | |
1419 | size_t ret = 0; | |
1420 | ||
1421 | opts.no_divider = 1; | |
1422 | ||
1423 | if (*arg == ':') { | |
1424 | arg++; | |
1425 | for (;;) { | |
1426 | const char *argval; | |
1427 | size_t arglen; | |
1428 | ||
1429 | if (match_placeholder_arg_value(arg, "key", &arg, &argval, &arglen)) { | |
1430 | uintptr_t len = arglen; | |
1431 | ||
1432 | if (!argval) | |
1433 | goto trailer_out; | |
1434 | ||
1435 | if (len && argval[len - 1] == ':') | |
1436 | len--; | |
1437 | string_list_append(&filter_list, argval)->util = (char *)len; | |
1438 | ||
1439 | opts.filter = format_trailer_match_cb; | |
1440 | opts.filter_data = &filter_list; | |
1441 | opts.only_trailers = 1; | |
1442 | } else if (match_placeholder_arg_value(arg, "separator", &arg, &argval, &arglen)) { | |
1443 | char *fmt; | |
1444 | ||
1445 | strbuf_reset(&sepbuf); | |
1446 | fmt = xstrndup(argval, arglen); | |
1447 | strbuf_expand(&sepbuf, fmt, strbuf_expand_literal_cb, NULL); | |
1448 | free(fmt); | |
1449 | opts.separator = &sepbuf; | |
1450 | } else if (!match_placeholder_bool_arg(arg, "only", &arg, &opts.only_trailers) && | |
1451 | !match_placeholder_bool_arg(arg, "unfold", &arg, &opts.unfold) && | |
1452 | !match_placeholder_bool_arg(arg, "valueonly", &arg, &opts.value_only)) | |
1453 | break; | |
1454 | } | |
1455 | } | |
1456 | if (*arg == ')') { | |
1457 | format_trailers_from_commit(sb, msg + c->subject_off, &opts); | |
1458 | ret = arg - placeholder + 1; | |
1459 | } | |
1460 | trailer_out: | |
1461 | string_list_clear(&filter_list, 0); | |
1462 | strbuf_release(&sepbuf); | |
1463 | return ret; | |
1464 | } | |
1465 | ||
1466 | return 0; /* unknown placeholder */ | |
1467 | } | |
1468 | ||
1469 | static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ | |
1470 | const char *placeholder, | |
1471 | struct format_commit_context *c) | |
1472 | { | |
1473 | struct strbuf local_sb = STRBUF_INIT; | |
1474 | int total_consumed = 0, len, padding = c->padding; | |
1475 | if (padding < 0) { | |
1476 | const char *start = strrchr(sb->buf, '\n'); | |
1477 | int occupied; | |
1478 | if (!start) | |
1479 | start = sb->buf; | |
1480 | occupied = utf8_strnwidth(start, -1, 1); | |
1481 | occupied += c->pretty_ctx->graph_width; | |
1482 | padding = (-padding) - occupied; | |
1483 | } | |
1484 | while (1) { | |
1485 | int modifier = *placeholder == 'C'; | |
1486 | int consumed = format_commit_one(&local_sb, placeholder, c); | |
1487 | total_consumed += consumed; | |
1488 | ||
1489 | if (!modifier) | |
1490 | break; | |
1491 | ||
1492 | placeholder += consumed; | |
1493 | if (*placeholder != '%') | |
1494 | break; | |
1495 | placeholder++; | |
1496 | total_consumed++; | |
1497 | } | |
1498 | len = utf8_strnwidth(local_sb.buf, -1, 1); | |
1499 | ||
1500 | if (c->flush_type == flush_left_and_steal) { | |
1501 | const char *ch = sb->buf + sb->len - 1; | |
1502 | while (len > padding && ch > sb->buf) { | |
1503 | const char *p; | |
1504 | if (*ch == ' ') { | |
1505 | ch--; | |
1506 | padding++; | |
1507 | continue; | |
1508 | } | |
1509 | /* check for trailing ansi sequences */ | |
1510 | if (*ch != 'm') | |
1511 | break; | |
1512 | p = ch - 1; | |
1513 | while (ch - p < 10 && *p != '\033') | |
1514 | p--; | |
1515 | if (*p != '\033' || | |
1516 | ch + 1 - p != display_mode_esc_sequence_len(p)) | |
1517 | break; | |
1518 | /* | |
1519 | * got a good ansi sequence, put it back to | |
1520 | * local_sb as we're cutting sb | |
1521 | */ | |
1522 | strbuf_insert(&local_sb, 0, p, ch + 1 - p); | |
1523 | ch = p - 1; | |
1524 | } | |
1525 | strbuf_setlen(sb, ch + 1 - sb->buf); | |
1526 | c->flush_type = flush_left; | |
1527 | } | |
1528 | ||
1529 | if (len > padding) { | |
1530 | switch (c->truncate) { | |
1531 | case trunc_left: | |
1532 | strbuf_utf8_replace(&local_sb, | |
1533 | 0, len - (padding - 2), | |
1534 | ".."); | |
1535 | break; | |
1536 | case trunc_middle: | |
1537 | strbuf_utf8_replace(&local_sb, | |
1538 | padding / 2 - 1, | |
1539 | len - (padding - 2), | |
1540 | ".."); | |
1541 | break; | |
1542 | case trunc_right: | |
1543 | strbuf_utf8_replace(&local_sb, | |
1544 | padding - 2, len - (padding - 2), | |
1545 | ".."); | |
1546 | break; | |
1547 | case trunc_none: | |
1548 | break; | |
1549 | } | |
1550 | strbuf_addbuf(sb, &local_sb); | |
1551 | } else { | |
1552 | int sb_len = sb->len, offset = 0; | |
1553 | if (c->flush_type == flush_left) | |
1554 | offset = padding - len; | |
1555 | else if (c->flush_type == flush_both) | |
1556 | offset = (padding - len) / 2; | |
1557 | /* | |
1558 | * we calculate padding in columns, now | |
1559 | * convert it back to chars | |
1560 | */ | |
1561 | padding = padding - len + local_sb.len; | |
1562 | strbuf_addchars(sb, ' ', padding); | |
1563 | memcpy(sb->buf + sb_len + offset, local_sb.buf, | |
1564 | local_sb.len); | |
1565 | } | |
1566 | strbuf_release(&local_sb); | |
1567 | c->flush_type = no_flush; | |
1568 | return total_consumed; | |
1569 | } | |
1570 | ||
1571 | static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ | |
1572 | const char *placeholder, | |
1573 | void *context) | |
1574 | { | |
1575 | int consumed; | |
1576 | size_t orig_len; | |
1577 | enum { | |
1578 | NO_MAGIC, | |
1579 | ADD_LF_BEFORE_NON_EMPTY, | |
1580 | DEL_LF_BEFORE_EMPTY, | |
1581 | ADD_SP_BEFORE_NON_EMPTY | |
1582 | } magic = NO_MAGIC; | |
1583 | ||
1584 | switch (placeholder[0]) { | |
1585 | case '-': | |
1586 | magic = DEL_LF_BEFORE_EMPTY; | |
1587 | break; | |
1588 | case '+': | |
1589 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1590 | break; | |
1591 | case ' ': | |
1592 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1593 | break; | |
1594 | default: | |
1595 | break; | |
1596 | } | |
1597 | if (magic != NO_MAGIC) | |
1598 | placeholder++; | |
1599 | ||
1600 | orig_len = sb->len; | |
1601 | if (((struct format_commit_context *)context)->flush_type != no_flush) | |
1602 | consumed = format_and_pad_commit(sb, placeholder, context); | |
1603 | else | |
1604 | consumed = format_commit_one(sb, placeholder, context); | |
1605 | if (magic == NO_MAGIC) | |
1606 | return consumed; | |
1607 | ||
1608 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1609 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1610 | strbuf_setlen(sb, sb->len - 1); | |
1611 | } else if (orig_len != sb->len) { | |
1612 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
1613 | strbuf_insertstr(sb, orig_len, "\n"); | |
1614 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) | |
1615 | strbuf_insertstr(sb, orig_len, " "); | |
1616 | } | |
1617 | return consumed + 1; | |
1618 | } | |
1619 | ||
1620 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, | |
1621 | void *context) | |
1622 | { | |
1623 | struct userformat_want *w = context; | |
1624 | ||
1625 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') | |
1626 | placeholder++; | |
1627 | ||
1628 | switch (*placeholder) { | |
1629 | case 'N': | |
1630 | w->notes = 1; | |
1631 | break; | |
1632 | case 'S': | |
1633 | w->source = 1; | |
1634 | break; | |
1635 | } | |
1636 | return 0; | |
1637 | } | |
1638 | ||
1639 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1640 | { | |
1641 | struct strbuf dummy = STRBUF_INIT; | |
1642 | ||
1643 | if (!fmt) { | |
1644 | if (!user_format) | |
1645 | return; | |
1646 | fmt = user_format; | |
1647 | } | |
1648 | strbuf_expand(&dummy, fmt, userformat_want_item, w); | |
1649 | strbuf_release(&dummy); | |
1650 | } | |
1651 | ||
1652 | void repo_format_commit_message(struct repository *r, | |
1653 | const struct commit *commit, | |
1654 | const char *format, struct strbuf *sb, | |
1655 | const struct pretty_print_context *pretty_ctx) | |
1656 | { | |
1657 | struct format_commit_context context = { | |
1658 | .commit = commit, | |
1659 | .pretty_ctx = pretty_ctx, | |
1660 | .wrap_start = sb->len | |
1661 | }; | |
1662 | const char *output_enc = pretty_ctx->output_encoding; | |
1663 | const char *utf8 = "UTF-8"; | |
1664 | ||
1665 | /* | |
1666 | * convert a commit message to UTF-8 first | |
1667 | * as far as 'format_commit_item' assumes it in UTF-8 | |
1668 | */ | |
1669 | context.message = repo_logmsg_reencode(r, commit, | |
1670 | &context.commit_encoding, | |
1671 | utf8); | |
1672 | ||
1673 | strbuf_expand(sb, format, format_commit_item, &context); | |
1674 | rewrap_message_tail(sb, &context, 0, 0, 0); | |
1675 | ||
1676 | /* then convert a commit message to an actual output encoding */ | |
1677 | if (output_enc) { | |
1678 | if (same_encoding(utf8, output_enc)) | |
1679 | output_enc = NULL; | |
1680 | } else { | |
1681 | if (context.commit_encoding && | |
1682 | !same_encoding(context.commit_encoding, utf8)) | |
1683 | output_enc = context.commit_encoding; | |
1684 | } | |
1685 | ||
1686 | if (output_enc) { | |
1687 | size_t outsz; | |
1688 | char *out = reencode_string_len(sb->buf, sb->len, | |
1689 | output_enc, utf8, &outsz); | |
1690 | if (out) | |
1691 | strbuf_attach(sb, out, outsz, outsz + 1); | |
1692 | } | |
1693 | ||
1694 | free(context.commit_encoding); | |
1695 | repo_unuse_commit_buffer(r, commit, context.message); | |
1696 | } | |
1697 | ||
1698 | static void pp_header(struct pretty_print_context *pp, | |
1699 | const char *encoding, | |
1700 | const struct commit *commit, | |
1701 | const char **msg_p, | |
1702 | struct strbuf *sb) | |
1703 | { | |
1704 | int parents_shown = 0; | |
1705 | ||
1706 | for (;;) { | |
1707 | const char *name, *line = *msg_p; | |
1708 | int linelen = get_one_line(*msg_p); | |
1709 | ||
1710 | if (!linelen) | |
1711 | return; | |
1712 | *msg_p += linelen; | |
1713 | ||
1714 | if (linelen == 1) | |
1715 | /* End of header */ | |
1716 | return; | |
1717 | ||
1718 | if (pp->fmt == CMIT_FMT_RAW) { | |
1719 | strbuf_add(sb, line, linelen); | |
1720 | continue; | |
1721 | } | |
1722 | ||
1723 | if (starts_with(line, "parent ")) { | |
1724 | if (linelen != the_hash_algo->hexsz + 8) | |
1725 | die("bad parent line in commit"); | |
1726 | continue; | |
1727 | } | |
1728 | ||
1729 | if (!parents_shown) { | |
1730 | unsigned num = commit_list_count(commit->parents); | |
1731 | /* with enough slop */ | |
1732 | strbuf_grow(sb, num * (GIT_MAX_HEXSZ + 10) + 20); | |
1733 | add_merge_info(pp, sb, commit); | |
1734 | parents_shown = 1; | |
1735 | } | |
1736 | ||
1737 | /* | |
1738 | * MEDIUM == DEFAULT shows only author with dates. | |
1739 | * FULL shows both authors but not dates. | |
1740 | * FULLER shows both authors and dates. | |
1741 | */ | |
1742 | if (skip_prefix(line, "author ", &name)) { | |
1743 | strbuf_grow(sb, linelen + 80); | |
1744 | pp_user_info(pp, "Author", sb, name, encoding); | |
1745 | } | |
1746 | if (skip_prefix(line, "committer ", &name) && | |
1747 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { | |
1748 | strbuf_grow(sb, linelen + 80); | |
1749 | pp_user_info(pp, "Commit", sb, name, encoding); | |
1750 | } | |
1751 | } | |
1752 | } | |
1753 | ||
1754 | void pp_title_line(struct pretty_print_context *pp, | |
1755 | const char **msg_p, | |
1756 | struct strbuf *sb, | |
1757 | const char *encoding, | |
1758 | int need_8bit_cte) | |
1759 | { | |
1760 | static const int max_length = 78; /* per rfc2047 */ | |
1761 | struct strbuf title; | |
1762 | ||
1763 | strbuf_init(&title, 80); | |
1764 | *msg_p = format_subject(&title, *msg_p, | |
1765 | pp->preserve_subject ? "\n" : " "); | |
1766 | ||
1767 | strbuf_grow(sb, title.len + 1024); | |
1768 | if (pp->print_email_subject) { | |
1769 | if (pp->rev) | |
1770 | fmt_output_email_subject(sb, pp->rev); | |
1771 | if (pp->encode_email_headers && | |
1772 | needs_rfc2047_encoding(title.buf, title.len)) | |
1773 | add_rfc2047(sb, title.buf, title.len, | |
1774 | encoding, RFC2047_SUBJECT); | |
1775 | else | |
1776 | strbuf_add_wrapped_bytes(sb, title.buf, title.len, | |
1777 | -last_line_length(sb), 1, max_length); | |
1778 | } else { | |
1779 | strbuf_addbuf(sb, &title); | |
1780 | } | |
1781 | strbuf_addch(sb, '\n'); | |
1782 | ||
1783 | if (need_8bit_cte == 0) { | |
1784 | int i; | |
1785 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1786 | if (has_non_ascii(pp->in_body_headers.items[i].string)) { | |
1787 | need_8bit_cte = 1; | |
1788 | break; | |
1789 | } | |
1790 | } | |
1791 | } | |
1792 | ||
1793 | if (need_8bit_cte > 0) { | |
1794 | const char *header_fmt = | |
1795 | "MIME-Version: 1.0\n" | |
1796 | "Content-Type: text/plain; charset=%s\n" | |
1797 | "Content-Transfer-Encoding: 8bit\n"; | |
1798 | strbuf_addf(sb, header_fmt, encoding); | |
1799 | } | |
1800 | if (pp->after_subject) { | |
1801 | strbuf_addstr(sb, pp->after_subject); | |
1802 | } | |
1803 | if (cmit_fmt_is_mail(pp->fmt)) { | |
1804 | strbuf_addch(sb, '\n'); | |
1805 | } | |
1806 | ||
1807 | if (pp->in_body_headers.nr) { | |
1808 | int i; | |
1809 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1810 | strbuf_addstr(sb, pp->in_body_headers.items[i].string); | |
1811 | free(pp->in_body_headers.items[i].string); | |
1812 | } | |
1813 | string_list_clear(&pp->in_body_headers, 0); | |
1814 | strbuf_addch(sb, '\n'); | |
1815 | } | |
1816 | ||
1817 | strbuf_release(&title); | |
1818 | } | |
1819 | ||
1820 | static int pp_utf8_width(const char *start, const char *end) | |
1821 | { | |
1822 | int width = 0; | |
1823 | size_t remain = end - start; | |
1824 | ||
1825 | while (remain) { | |
1826 | int n = utf8_width(&start, &remain); | |
1827 | if (n < 0 || !start) | |
1828 | return -1; | |
1829 | width += n; | |
1830 | } | |
1831 | return width; | |
1832 | } | |
1833 | ||
1834 | static void strbuf_add_tabexpand(struct strbuf *sb, int tabwidth, | |
1835 | const char *line, int linelen) | |
1836 | { | |
1837 | const char *tab; | |
1838 | ||
1839 | while ((tab = memchr(line, '\t', linelen)) != NULL) { | |
1840 | int width = pp_utf8_width(line, tab); | |
1841 | ||
1842 | /* | |
1843 | * If it wasn't well-formed utf8, or it | |
1844 | * had characters with badly defined | |
1845 | * width (control characters etc), just | |
1846 | * give up on trying to align things. | |
1847 | */ | |
1848 | if (width < 0) | |
1849 | break; | |
1850 | ||
1851 | /* Output the data .. */ | |
1852 | strbuf_add(sb, line, tab - line); | |
1853 | ||
1854 | /* .. and the de-tabified tab */ | |
1855 | strbuf_addchars(sb, ' ', tabwidth - (width % tabwidth)); | |
1856 | ||
1857 | /* Skip over the printed part .. */ | |
1858 | linelen -= tab + 1 - line; | |
1859 | line = tab + 1; | |
1860 | } | |
1861 | ||
1862 | /* | |
1863 | * Print out everything after the last tab without | |
1864 | * worrying about width - there's nothing more to | |
1865 | * align. | |
1866 | */ | |
1867 | strbuf_add(sb, line, linelen); | |
1868 | } | |
1869 | ||
1870 | /* | |
1871 | * pp_handle_indent() prints out the intendation, and | |
1872 | * the whole line (without the final newline), after | |
1873 | * de-tabifying. | |
1874 | */ | |
1875 | static void pp_handle_indent(struct pretty_print_context *pp, | |
1876 | struct strbuf *sb, int indent, | |
1877 | const char *line, int linelen) | |
1878 | { | |
1879 | strbuf_addchars(sb, ' ', indent); | |
1880 | if (pp->expand_tabs_in_log) | |
1881 | strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, line, linelen); | |
1882 | else | |
1883 | strbuf_add(sb, line, linelen); | |
1884 | } | |
1885 | ||
1886 | static int is_mboxrd_from(const char *line, int len) | |
1887 | { | |
1888 | /* | |
1889 | * a line matching /^From $/ here would only have len == 4 | |
1890 | * at this point because is_empty_line would've trimmed all | |
1891 | * trailing space | |
1892 | */ | |
1893 | return len > 4 && starts_with(line + strspn(line, ">"), "From "); | |
1894 | } | |
1895 | ||
1896 | void pp_remainder(struct pretty_print_context *pp, | |
1897 | const char **msg_p, | |
1898 | struct strbuf *sb, | |
1899 | int indent) | |
1900 | { | |
1901 | int first = 1; | |
1902 | for (;;) { | |
1903 | const char *line = *msg_p; | |
1904 | int linelen = get_one_line(line); | |
1905 | *msg_p += linelen; | |
1906 | ||
1907 | if (!linelen) | |
1908 | break; | |
1909 | ||
1910 | if (is_blank_line(line, &linelen)) { | |
1911 | if (first) | |
1912 | continue; | |
1913 | if (pp->fmt == CMIT_FMT_SHORT) | |
1914 | break; | |
1915 | } | |
1916 | first = 0; | |
1917 | ||
1918 | strbuf_grow(sb, linelen + indent + 20); | |
1919 | if (indent) | |
1920 | pp_handle_indent(pp, sb, indent, line, linelen); | |
1921 | else if (pp->expand_tabs_in_log) | |
1922 | strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, | |
1923 | line, linelen); | |
1924 | else { | |
1925 | if (pp->fmt == CMIT_FMT_MBOXRD && | |
1926 | is_mboxrd_from(line, linelen)) | |
1927 | strbuf_addch(sb, '>'); | |
1928 | ||
1929 | strbuf_add(sb, line, linelen); | |
1930 | } | |
1931 | strbuf_addch(sb, '\n'); | |
1932 | } | |
1933 | } | |
1934 | ||
1935 | void pretty_print_commit(struct pretty_print_context *pp, | |
1936 | const struct commit *commit, | |
1937 | struct strbuf *sb) | |
1938 | { | |
1939 | unsigned long beginning_of_body; | |
1940 | int indent = 4; | |
1941 | const char *msg; | |
1942 | const char *reencoded; | |
1943 | const char *encoding; | |
1944 | int need_8bit_cte = pp->need_8bit_cte; | |
1945 | ||
1946 | if (pp->fmt == CMIT_FMT_USERFORMAT) { | |
1947 | format_commit_message(commit, user_format, sb, pp); | |
1948 | return; | |
1949 | } | |
1950 | ||
1951 | encoding = get_log_output_encoding(); | |
1952 | msg = reencoded = logmsg_reencode(commit, NULL, encoding); | |
1953 | ||
1954 | if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) | |
1955 | indent = 0; | |
1956 | ||
1957 | /* | |
1958 | * We need to check and emit Content-type: to mark it | |
1959 | * as 8-bit if we haven't done so. | |
1960 | */ | |
1961 | if (cmit_fmt_is_mail(pp->fmt) && need_8bit_cte == 0) { | |
1962 | int i, ch, in_body; | |
1963 | ||
1964 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
1965 | if (!in_body) { | |
1966 | /* author could be non 7-bit ASCII but | |
1967 | * the log may be so; skip over the | |
1968 | * header part first. | |
1969 | */ | |
1970 | if (ch == '\n' && msg[i+1] == '\n') | |
1971 | in_body = 1; | |
1972 | } | |
1973 | else if (non_ascii(ch)) { | |
1974 | need_8bit_cte = 1; | |
1975 | break; | |
1976 | } | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | pp_header(pp, encoding, commit, &msg, sb); | |
1981 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) { | |
1982 | strbuf_addch(sb, '\n'); | |
1983 | } | |
1984 | ||
1985 | /* Skip excess blank lines at the beginning of body, if any... */ | |
1986 | msg = skip_blank_lines(msg); | |
1987 | ||
1988 | /* These formats treat the title line specially. */ | |
1989 | if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) | |
1990 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); | |
1991 | ||
1992 | beginning_of_body = sb->len; | |
1993 | if (pp->fmt != CMIT_FMT_ONELINE) | |
1994 | pp_remainder(pp, &msg, sb, indent); | |
1995 | strbuf_rtrim(sb); | |
1996 | ||
1997 | /* Make sure there is an EOLN for the non-oneline case */ | |
1998 | if (pp->fmt != CMIT_FMT_ONELINE) | |
1999 | strbuf_addch(sb, '\n'); | |
2000 | ||
2001 | /* | |
2002 | * The caller may append additional body text in e-mail | |
2003 | * format. Make sure we did not strip the blank line | |
2004 | * between the header and the body. | |
2005 | */ | |
2006 | if (cmit_fmt_is_mail(pp->fmt) && sb->len <= beginning_of_body) | |
2007 | strbuf_addch(sb, '\n'); | |
2008 | ||
2009 | unuse_commit_buffer(commit, reencoded); | |
2010 | } | |
2011 | ||
2012 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
2013 | struct strbuf *sb) | |
2014 | { | |
2015 | struct pretty_print_context pp = {0}; | |
2016 | pp.fmt = fmt; | |
2017 | pretty_print_commit(&pp, commit, sb); | |
2018 | } |