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Commit | Line | Data |
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93fc05eb JS |
1 | #include "cache.h" |
2 | #include "commit.h" | |
93fc05eb JS |
3 | #include "utf8.h" |
4 | #include "diff.h" | |
5 | #include "revision.h" | |
c455c87c | 6 | #include "string-list.h" |
e0cbc397 | 7 | #include "mailmap.h" |
3b3d443f | 8 | #include "log-tree.h" |
a97a7468 | 9 | #include "notes.h" |
c002922a | 10 | #include "color.h" |
8f8f5476 | 11 | #include "reflog-walk.h" |
f6667c5e | 12 | #include "gpg-interface.h" |
93fc05eb | 13 | |
93fc05eb | 14 | static char *user_format; |
40957891 WP |
15 | static struct cmt_fmt_map { |
16 | const char *name; | |
17 | enum cmit_fmt format; | |
18 | int is_tformat; | |
2d7671ef WP |
19 | int is_alias; |
20 | const char *user_format; | |
40957891 | 21 | } *commit_formats; |
8028184e | 22 | static size_t builtin_formats_len; |
40957891 | 23 | static size_t commit_formats_len; |
8028184e | 24 | static size_t commit_formats_alloc; |
40957891 | 25 | static struct cmt_fmt_map *find_commit_format(const char *sought); |
93fc05eb | 26 | |
36407548 NS |
27 | static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) |
28 | { | |
29 | free(user_format); | |
30 | user_format = xstrdup(cp); | |
31 | if (is_tformat) | |
32 | rev->use_terminator = 1; | |
33 | rev->commit_format = CMIT_FMT_USERFORMAT; | |
34 | } | |
35 | ||
8028184e | 36 | static int git_pretty_formats_config(const char *var, const char *value, void *cb) |
93fc05eb | 37 | { |
8028184e WP |
38 | struct cmt_fmt_map *commit_format = NULL; |
39 | const char *name; | |
40 | const char *fmt; | |
93fc05eb | 41 | int i; |
8028184e WP |
42 | |
43 | if (prefixcmp(var, "pretty.")) | |
44 | return 0; | |
45 | ||
46 | name = var + strlen("pretty."); | |
47 | for (i = 0; i < builtin_formats_len; i++) { | |
48 | if (!strcmp(commit_formats[i].name, name)) | |
49 | return 0; | |
50 | } | |
51 | ||
52 | for (i = builtin_formats_len; i < commit_formats_len; i++) { | |
53 | if (!strcmp(commit_formats[i].name, name)) { | |
54 | commit_format = &commit_formats[i]; | |
55 | break; | |
56 | } | |
57 | } | |
58 | ||
59 | if (!commit_format) { | |
60 | ALLOC_GROW(commit_formats, commit_formats_len+1, | |
61 | commit_formats_alloc); | |
62 | commit_format = &commit_formats[commit_formats_len]; | |
95a2618f | 63 | memset(commit_format, 0, sizeof(*commit_format)); |
8028184e WP |
64 | commit_formats_len++; |
65 | } | |
66 | ||
67 | commit_format->name = xstrdup(name); | |
68 | commit_format->format = CMIT_FMT_USERFORMAT; | |
69 | git_config_string(&fmt, var, value); | |
70 | if (!prefixcmp(fmt, "format:") || !prefixcmp(fmt, "tformat:")) { | |
71 | commit_format->is_tformat = fmt[0] == 't'; | |
72 | fmt = strchr(fmt, ':') + 1; | |
73 | } else if (strchr(fmt, '%')) | |
74 | commit_format->is_tformat = 1; | |
75 | else | |
76 | commit_format->is_alias = 1; | |
77 | commit_format->user_format = fmt; | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
40957891 | 82 | static void setup_commit_formats(void) |
93fc05eb | 83 | { |
40957891 WP |
84 | struct cmt_fmt_map builtin_formats[] = { |
85 | { "raw", CMIT_FMT_RAW, 0 }, | |
86 | { "medium", CMIT_FMT_MEDIUM, 0 }, | |
87 | { "short", CMIT_FMT_SHORT, 0 }, | |
88 | { "email", CMIT_FMT_EMAIL, 0 }, | |
89 | { "fuller", CMIT_FMT_FULLER, 0 }, | |
90 | { "full", CMIT_FMT_FULL, 0 }, | |
91 | { "oneline", CMIT_FMT_ONELINE, 1 } | |
4da45bef | 92 | }; |
40957891 | 93 | commit_formats_len = ARRAY_SIZE(builtin_formats); |
8028184e WP |
94 | builtin_formats_len = commit_formats_len; |
95 | ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); | |
40957891 WP |
96 | memcpy(commit_formats, builtin_formats, |
97 | sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats)); | |
8028184e WP |
98 | |
99 | git_config(git_pretty_formats_config, NULL); | |
40957891 WP |
100 | } |
101 | ||
2d7671ef WP |
102 | static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, |
103 | const char *original, | |
104 | int num_redirections) | |
40957891 WP |
105 | { |
106 | struct cmt_fmt_map *found = NULL; | |
107 | size_t found_match_len = 0; | |
108 | int i; | |
109 | ||
2d7671ef WP |
110 | if (num_redirections >= commit_formats_len) |
111 | die("invalid --pretty format: " | |
112 | "'%s' references an alias which points to itself", | |
113 | original); | |
40957891 WP |
114 | |
115 | for (i = 0; i < commit_formats_len; i++) { | |
116 | size_t match_len; | |
117 | ||
118 | if (prefixcmp(commit_formats[i].name, sought)) | |
119 | continue; | |
120 | ||
121 | match_len = strlen(commit_formats[i].name); | |
122 | if (found == NULL || found_match_len > match_len) { | |
123 | found = &commit_formats[i]; | |
124 | found_match_len = match_len; | |
125 | } | |
126 | } | |
2d7671ef WP |
127 | |
128 | if (found && found->is_alias) { | |
129 | found = find_commit_format_recursive(found->user_format, | |
130 | original, | |
131 | num_redirections+1); | |
132 | } | |
133 | ||
40957891 WP |
134 | return found; |
135 | } | |
136 | ||
2d7671ef WP |
137 | static struct cmt_fmt_map *find_commit_format(const char *sought) |
138 | { | |
139 | if (!commit_formats) | |
140 | setup_commit_formats(); | |
141 | ||
142 | return find_commit_format_recursive(sought, sought, 0); | |
143 | } | |
144 | ||
40957891 WP |
145 | void get_commit_format(const char *arg, struct rev_info *rev) |
146 | { | |
147 | struct cmt_fmt_map *commit_format; | |
93fc05eb | 148 | |
4da45bef JH |
149 | rev->use_terminator = 0; |
150 | if (!arg || !*arg) { | |
151 | rev->commit_format = CMIT_FMT_DEFAULT; | |
152 | return; | |
153 | } | |
4da45bef | 154 | if (!prefixcmp(arg, "format:") || !prefixcmp(arg, "tformat:")) { |
36407548 | 155 | save_user_format(rev, strchr(arg, ':') + 1, arg[0] == 't'); |
4da45bef | 156 | return; |
93fc05eb | 157 | } |
40957891 | 158 | |
36407548 NS |
159 | if (strchr(arg, '%')) { |
160 | save_user_format(rev, arg, 1); | |
161 | return; | |
162 | } | |
93fc05eb | 163 | |
40957891 WP |
164 | commit_format = find_commit_format(arg); |
165 | if (!commit_format) | |
166 | die("invalid --pretty format: %s", arg); | |
167 | ||
168 | rev->commit_format = commit_format->format; | |
169 | rev->use_terminator = commit_format->is_tformat; | |
8028184e WP |
170 | if (commit_format->format == CMIT_FMT_USERFORMAT) { |
171 | save_user_format(rev, commit_format->user_format, | |
172 | commit_format->is_tformat); | |
173 | } | |
93fc05eb JS |
174 | } |
175 | ||
176 | /* | |
177 | * Generic support for pretty-printing the header | |
178 | */ | |
179 | static int get_one_line(const char *msg) | |
180 | { | |
181 | int ret = 0; | |
182 | ||
183 | for (;;) { | |
184 | char c = *msg++; | |
185 | if (!c) | |
186 | break; | |
187 | ret++; | |
188 | if (c == '\n') | |
189 | break; | |
190 | } | |
191 | return ret; | |
192 | } | |
193 | ||
194 | /* High bit set, or ISO-2022-INT */ | |
cc571142 | 195 | static int non_ascii(int ch) |
93fc05eb | 196 | { |
c2e9364a | 197 | return !isascii(ch) || ch == '\033'; |
93fc05eb JS |
198 | } |
199 | ||
28e9cf65 JS |
200 | int has_non_ascii(const char *s) |
201 | { | |
202 | int ch; | |
203 | if (!s) | |
204 | return 0; | |
205 | while ((ch = *s++) != '\0') { | |
206 | if (non_ascii(ch)) | |
207 | return 1; | |
208 | } | |
209 | return 0; | |
210 | } | |
211 | ||
4d03c18a JK |
212 | static int is_rfc822_special(char ch) |
213 | { | |
214 | switch (ch) { | |
215 | case '(': | |
216 | case ')': | |
217 | case '<': | |
218 | case '>': | |
219 | case '[': | |
220 | case ']': | |
221 | case ':': | |
222 | case ';': | |
223 | case '@': | |
224 | case ',': | |
225 | case '.': | |
226 | case '"': | |
227 | case '\\': | |
228 | return 1; | |
229 | default: | |
230 | return 0; | |
231 | } | |
232 | } | |
233 | ||
234 | static int has_rfc822_specials(const char *s, int len) | |
235 | { | |
236 | int i; | |
237 | for (i = 0; i < len; i++) | |
238 | if (is_rfc822_special(s[i])) | |
239 | return 1; | |
240 | return 0; | |
241 | } | |
242 | ||
243 | static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) | |
244 | { | |
245 | int i; | |
246 | ||
247 | /* just a guess, we may have to also backslash-quote */ | |
248 | strbuf_grow(out, len + 2); | |
249 | ||
250 | strbuf_addch(out, '"'); | |
251 | for (i = 0; i < len; i++) { | |
252 | switch (s[i]) { | |
253 | case '"': | |
254 | case '\\': | |
255 | strbuf_addch(out, '\\'); | |
256 | /* fall through */ | |
257 | default: | |
258 | strbuf_addch(out, s[i]); | |
259 | } | |
260 | } | |
261 | strbuf_addch(out, '"'); | |
262 | } | |
263 | ||
93fc05eb JS |
264 | static int is_rfc2047_special(char ch) |
265 | { | |
94f6cdf6 JS |
266 | if (ch == ' ' || ch == '\n') |
267 | return 1; | |
268 | ||
93fc05eb JS |
269 | return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_')); |
270 | } | |
271 | ||
272 | static void add_rfc2047(struct strbuf *sb, const char *line, int len, | |
273 | const char *encoding) | |
274 | { | |
a1f6baa5 | 275 | static const int max_length = 78; /* per rfc2822 */ |
94f6cdf6 | 276 | static const int max_encoded_length = 76; /* per rfc2047 */ |
a1f6baa5 JK |
277 | int i; |
278 | int line_len; | |
279 | ||
280 | /* How many bytes are already used on the current line? */ | |
281 | for (i = sb->len - 1; i >= 0; i--) | |
282 | if (sb->buf[i] == '\n') | |
283 | break; | |
284 | line_len = sb->len - (i+1); | |
93fc05eb JS |
285 | |
286 | for (i = 0; i < len; i++) { | |
287 | int ch = line[i]; | |
c22e7de3 | 288 | if (non_ascii(ch) || ch == '\n') |
93fc05eb JS |
289 | goto needquote; |
290 | if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) | |
291 | goto needquote; | |
292 | } | |
7a76e68a | 293 | strbuf_add_wrapped_bytes(sb, line, len, -line_len, 1, max_length); |
93fc05eb JS |
294 | return; |
295 | ||
296 | needquote: | |
297 | strbuf_grow(sb, len * 3 + strlen(encoding) + 100); | |
298 | strbuf_addf(sb, "=?%s?q?", encoding); | |
a1f6baa5 JK |
299 | line_len += strlen(encoding) + 5; /* 5 for =??q? */ |
300 | for (i = 0; i < len; i++) { | |
93fc05eb | 301 | unsigned ch = line[i] & 0xFF; |
94f6cdf6 JS |
302 | int is_special = is_rfc2047_special(ch); |
303 | ||
304 | /* | |
305 | * According to RFC 2047, we could encode the special character | |
306 | * ' ' (space) with '_' (underscore) for readability. But many | |
307 | * programs do not understand this and just leave the | |
308 | * underscore in place. Thus, we do nothing special here, which | |
309 | * causes ' ' to be encoded as '=20', avoiding this problem. | |
310 | */ | |
a1f6baa5 | 311 | |
94f6cdf6 | 312 | if (line_len + 2 + (is_special ? 3 : 1) > max_encoded_length) { |
a1f6baa5 JK |
313 | strbuf_addf(sb, "?=\n =?%s?q?", encoding); |
314 | line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ | |
315 | } | |
316 | ||
94f6cdf6 | 317 | if (is_special) { |
93fc05eb | 318 | strbuf_addf(sb, "=%02X", ch); |
a1f6baa5 | 319 | line_len += 3; |
94f6cdf6 | 320 | } else { |
a1f6baa5 JK |
321 | strbuf_addch(sb, ch); |
322 | line_len++; | |
93fc05eb JS |
323 | } |
324 | } | |
93fc05eb JS |
325 | strbuf_addstr(sb, "?="); |
326 | } | |
327 | ||
6bf13944 JK |
328 | void pp_user_info(const struct pretty_print_context *pp, |
329 | const char *what, struct strbuf *sb, | |
330 | const char *line, const char *encoding) | |
93fc05eb JS |
331 | { |
332 | char *date; | |
333 | int namelen; | |
334 | unsigned long time; | |
335 | int tz; | |
93fc05eb | 336 | |
6bf13944 | 337 | if (pp->fmt == CMIT_FMT_ONELINE) |
93fc05eb JS |
338 | return; |
339 | date = strchr(line, '>'); | |
340 | if (!date) | |
341 | return; | |
342 | namelen = ++date - line; | |
343 | time = strtoul(date, &date, 10); | |
344 | tz = strtol(date, NULL, 10); | |
345 | ||
6bf13944 | 346 | if (pp->fmt == CMIT_FMT_EMAIL) { |
93fc05eb JS |
347 | char *name_tail = strchr(line, '<'); |
348 | int display_name_length; | |
990f6e30 | 349 | int final_line; |
93fc05eb JS |
350 | if (!name_tail) |
351 | return; | |
352 | while (line < name_tail && isspace(name_tail[-1])) | |
353 | name_tail--; | |
354 | display_name_length = name_tail - line; | |
93fc05eb | 355 | strbuf_addstr(sb, "From: "); |
4d03c18a JK |
356 | if (!has_rfc822_specials(line, display_name_length)) { |
357 | add_rfc2047(sb, line, display_name_length, encoding); | |
358 | } else { | |
359 | struct strbuf quoted = STRBUF_INIT; | |
360 | add_rfc822_quoted("ed, line, display_name_length); | |
361 | add_rfc2047(sb, quoted.buf, quoted.len, encoding); | |
362 | strbuf_release("ed); | |
363 | } | |
990f6e30 JK |
364 | for (final_line = 0; final_line < sb->len; final_line++) |
365 | if (sb->buf[sb->len - final_line - 1] == '\n') | |
366 | break; | |
367 | if (namelen - display_name_length + final_line > 78) { | |
368 | strbuf_addch(sb, '\n'); | |
369 | if (!isspace(name_tail[0])) | |
370 | strbuf_addch(sb, ' '); | |
371 | } | |
93fc05eb JS |
372 | strbuf_add(sb, name_tail, namelen - display_name_length); |
373 | strbuf_addch(sb, '\n'); | |
374 | } else { | |
375 | strbuf_addf(sb, "%s: %.*s%.*s\n", what, | |
6bf13944 | 376 | (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, |
8e76bf3f | 377 | " ", namelen, line); |
93fc05eb | 378 | } |
6bf13944 | 379 | switch (pp->fmt) { |
93fc05eb | 380 | case CMIT_FMT_MEDIUM: |
6bf13944 | 381 | strbuf_addf(sb, "Date: %s\n", show_date(time, tz, pp->date_mode)); |
93fc05eb JS |
382 | break; |
383 | case CMIT_FMT_EMAIL: | |
384 | strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822)); | |
385 | break; | |
386 | case CMIT_FMT_FULLER: | |
6bf13944 | 387 | strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, pp->date_mode)); |
93fc05eb JS |
388 | break; |
389 | default: | |
390 | /* notin' */ | |
391 | break; | |
392 | } | |
393 | } | |
394 | ||
395 | static int is_empty_line(const char *line, int *len_p) | |
396 | { | |
397 | int len = *len_p; | |
398 | while (len && isspace(line[len-1])) | |
399 | len--; | |
400 | *len_p = len; | |
401 | return !len; | |
402 | } | |
403 | ||
a0109668 RS |
404 | static const char *skip_empty_lines(const char *msg) |
405 | { | |
406 | for (;;) { | |
407 | int linelen = get_one_line(msg); | |
408 | int ll = linelen; | |
409 | if (!linelen) | |
410 | break; | |
411 | if (!is_empty_line(msg, &ll)) | |
412 | break; | |
413 | msg += linelen; | |
414 | } | |
415 | return msg; | |
416 | } | |
417 | ||
6bf13944 JK |
418 | static void add_merge_info(const struct pretty_print_context *pp, |
419 | struct strbuf *sb, const struct commit *commit) | |
93fc05eb JS |
420 | { |
421 | struct commit_list *parent = commit->parents; | |
422 | ||
6bf13944 | 423 | if ((pp->fmt == CMIT_FMT_ONELINE) || (pp->fmt == CMIT_FMT_EMAIL) || |
93fc05eb JS |
424 | !parent || !parent->next) |
425 | return; | |
426 | ||
427 | strbuf_addstr(sb, "Merge:"); | |
428 | ||
429 | while (parent) { | |
430 | struct commit *p = parent->item; | |
431 | const char *hex = NULL; | |
6bf13944 JK |
432 | if (pp->abbrev) |
433 | hex = find_unique_abbrev(p->object.sha1, pp->abbrev); | |
93fc05eb JS |
434 | if (!hex) |
435 | hex = sha1_to_hex(p->object.sha1); | |
93fc05eb JS |
436 | parent = parent->next; |
437 | ||
7fcda920 | 438 | strbuf_addf(sb, " %s", hex); |
93fc05eb JS |
439 | } |
440 | strbuf_addch(sb, '\n'); | |
441 | } | |
442 | ||
443 | static char *get_header(const struct commit *commit, const char *key) | |
444 | { | |
445 | int key_len = strlen(key); | |
446 | const char *line = commit->buffer; | |
447 | ||
a9c7a8a8 | 448 | while (line) { |
93fc05eb JS |
449 | const char *eol = strchr(line, '\n'), *next; |
450 | ||
451 | if (line == eol) | |
452 | return NULL; | |
453 | if (!eol) { | |
a9c7a8a8 JK |
454 | warning("malformed commit (header is missing newline): %s", |
455 | sha1_to_hex(commit->object.sha1)); | |
93fc05eb JS |
456 | eol = line + strlen(line); |
457 | next = NULL; | |
458 | } else | |
459 | next = eol + 1; | |
460 | if (eol - line > key_len && | |
461 | !strncmp(line, key, key_len) && | |
462 | line[key_len] == ' ') { | |
463 | return xmemdupz(line + key_len + 1, eol - line - key_len - 1); | |
464 | } | |
465 | line = next; | |
466 | } | |
a9c7a8a8 | 467 | return NULL; |
93fc05eb JS |
468 | } |
469 | ||
470 | static char *replace_encoding_header(char *buf, const char *encoding) | |
471 | { | |
f285a2d7 | 472 | struct strbuf tmp = STRBUF_INIT; |
93fc05eb JS |
473 | size_t start, len; |
474 | char *cp = buf; | |
475 | ||
476 | /* guess if there is an encoding header before a \n\n */ | |
477 | while (strncmp(cp, "encoding ", strlen("encoding "))) { | |
478 | cp = strchr(cp, '\n'); | |
479 | if (!cp || *++cp == '\n') | |
480 | return buf; | |
481 | } | |
482 | start = cp - buf; | |
483 | cp = strchr(cp, '\n'); | |
484 | if (!cp) | |
485 | return buf; /* should not happen but be defensive */ | |
486 | len = cp + 1 - (buf + start); | |
487 | ||
93fc05eb JS |
488 | strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); |
489 | if (is_encoding_utf8(encoding)) { | |
490 | /* we have re-coded to UTF-8; drop the header */ | |
491 | strbuf_remove(&tmp, start, len); | |
492 | } else { | |
493 | /* just replaces XXXX in 'encoding XXXX\n' */ | |
494 | strbuf_splice(&tmp, start + strlen("encoding "), | |
495 | len - strlen("encoding \n"), | |
496 | encoding, strlen(encoding)); | |
497 | } | |
498 | return strbuf_detach(&tmp, NULL); | |
499 | } | |
500 | ||
177b29dc PN |
501 | char *logmsg_reencode(const struct commit *commit, |
502 | const char *output_encoding) | |
93fc05eb | 503 | { |
330db18c | 504 | static const char *utf8 = "UTF-8"; |
93fc05eb JS |
505 | const char *use_encoding; |
506 | char *encoding; | |
507 | char *out; | |
508 | ||
509 | if (!*output_encoding) | |
510 | return NULL; | |
511 | encoding = get_header(commit, "encoding"); | |
512 | use_encoding = encoding ? encoding : utf8; | |
513 | if (!strcmp(use_encoding, output_encoding)) | |
514 | if (encoding) /* we'll strip encoding header later */ | |
515 | out = xstrdup(commit->buffer); | |
516 | else | |
517 | return NULL; /* nothing to do */ | |
518 | else | |
519 | out = reencode_string(commit->buffer, | |
520 | output_encoding, use_encoding); | |
521 | if (out) | |
522 | out = replace_encoding_header(out, output_encoding); | |
523 | ||
524 | free(encoding); | |
525 | return out; | |
526 | } | |
527 | ||
d20d654f | 528 | static int mailmap_name(char *email, int email_len, char *name, int name_len) |
e0cbc397 | 529 | { |
c455c87c | 530 | static struct string_list *mail_map; |
e0cbc397 JS |
531 | if (!mail_map) { |
532 | mail_map = xcalloc(1, sizeof(*mail_map)); | |
d551a488 | 533 | read_mailmap(mail_map, NULL); |
e0cbc397 | 534 | } |
d20d654f | 535 | return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); |
e0cbc397 JS |
536 | } |
537 | ||
c3a670de | 538 | static size_t format_person_part(struct strbuf *sb, char part, |
d36f8679 | 539 | const char *msg, int len, enum date_mode dmode) |
93fc05eb | 540 | { |
c3a670de MC |
541 | /* currently all placeholders have same length */ |
542 | const int placeholder_len = 2; | |
4b340cfa | 543 | int tz; |
c3a670de | 544 | unsigned long date = 0; |
d20d654f MSO |
545 | char person_name[1024]; |
546 | char person_mail[1024]; | |
4b340cfa JH |
547 | struct ident_split s; |
548 | const char *name_start, *name_end, *mail_start, *mail_end; | |
93fc05eb | 549 | |
4b340cfa | 550 | if (split_ident_line(&s, msg, len) < 0) |
c3a670de MC |
551 | goto skip; |
552 | ||
4b340cfa JH |
553 | name_start = s.name_begin; |
554 | name_end = s.name_end; | |
555 | mail_start = s.mail_begin; | |
556 | mail_end = s.mail_end; | |
d20d654f MSO |
557 | |
558 | if (part == 'N' || part == 'E') { /* mailmap lookup */ | |
c9b4e9e5 JK |
559 | snprintf(person_name, sizeof(person_name), "%.*s", |
560 | (int)(name_end - name_start), name_start); | |
561 | snprintf(person_mail, sizeof(person_mail), "%.*s", | |
562 | (int)(mail_end - mail_start), mail_start); | |
d20d654f MSO |
563 | mailmap_name(person_mail, sizeof(person_mail), person_name, sizeof(person_name)); |
564 | name_start = person_name; | |
565 | name_end = name_start + strlen(person_name); | |
566 | mail_start = person_mail; | |
567 | mail_end = mail_start + strlen(person_mail); | |
568 | } | |
e0cbc397 | 569 | if (part == 'n' || part == 'N') { /* name */ |
d20d654f | 570 | strbuf_add(sb, name_start, name_end-name_start); |
c3a670de | 571 | return placeholder_len; |
cde75e59 | 572 | } |
d20d654f MSO |
573 | if (part == 'e' || part == 'E') { /* email */ |
574 | strbuf_add(sb, mail_start, mail_end-mail_start); | |
c3a670de | 575 | return placeholder_len; |
cde75e59 | 576 | } |
93fc05eb | 577 | |
4b340cfa | 578 | if (!s.date_begin) |
c3a670de | 579 | goto skip; |
93fc05eb | 580 | |
4b340cfa JH |
581 | date = strtoul(s.date_begin, NULL, 10); |
582 | ||
cde75e59 | 583 | if (part == 't') { /* date, UNIX timestamp */ |
4b340cfa | 584 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
c3a670de | 585 | return placeholder_len; |
cde75e59 | 586 | } |
93fc05eb JS |
587 | |
588 | /* parse tz */ | |
4b340cfa JH |
589 | tz = strtoul(s.tz_begin + 1, NULL, 10); |
590 | if (*s.tz_begin == '-') | |
591 | tz = -tz; | |
93fc05eb | 592 | |
cde75e59 RS |
593 | switch (part) { |
594 | case 'd': /* date */ | |
d36f8679 | 595 | strbuf_addstr(sb, show_date(date, tz, dmode)); |
c3a670de | 596 | return placeholder_len; |
cde75e59 RS |
597 | case 'D': /* date, RFC2822 style */ |
598 | strbuf_addstr(sb, show_date(date, tz, DATE_RFC2822)); | |
c3a670de | 599 | return placeholder_len; |
cde75e59 RS |
600 | case 'r': /* date, relative */ |
601 | strbuf_addstr(sb, show_date(date, tz, DATE_RELATIVE)); | |
c3a670de | 602 | return placeholder_len; |
cde75e59 RS |
603 | case 'i': /* date, ISO 8601 */ |
604 | strbuf_addstr(sb, show_date(date, tz, DATE_ISO8601)); | |
c3a670de | 605 | return placeholder_len; |
cde75e59 | 606 | } |
c3a670de MC |
607 | |
608 | skip: | |
609 | /* | |
4b340cfa JH |
610 | * reading from either a bogus commit, or a reflog entry with |
611 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
612 | * to compute a valid return value. | |
c3a670de MC |
613 | */ |
614 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
615 | || part == 'D' || part == 'r' || part == 'i') | |
616 | return placeholder_len; | |
617 | ||
618 | return 0; /* unknown placeholder */ | |
93fc05eb JS |
619 | } |
620 | ||
f29d5958 RS |
621 | struct chunk { |
622 | size_t off; | |
623 | size_t len; | |
624 | }; | |
625 | ||
626 | struct format_commit_context { | |
627 | const struct commit *commit; | |
dd2e794a | 628 | const struct pretty_print_context *pretty_ctx; |
f53bd743 RS |
629 | unsigned commit_header_parsed:1; |
630 | unsigned commit_message_parsed:1; | |
f6667c5e JH |
631 | unsigned commit_signature_parsed:1; |
632 | struct { | |
633 | char *gpg_output; | |
634 | char good_bad; | |
635 | char *signer; | |
636 | } signature; | |
177b29dc | 637 | char *message; |
02edd56b | 638 | size_t width, indent1, indent2; |
f29d5958 RS |
639 | |
640 | /* These offsets are relative to the start of the commit message. */ | |
f29d5958 RS |
641 | struct chunk author; |
642 | struct chunk committer; | |
643 | struct chunk encoding; | |
f53bd743 RS |
644 | size_t message_off; |
645 | size_t subject_off; | |
f29d5958 | 646 | size_t body_off; |
b9c62321 RS |
647 | |
648 | /* The following ones are relative to the result struct strbuf. */ | |
649 | struct chunk abbrev_commit_hash; | |
650 | struct chunk abbrev_tree_hash; | |
651 | struct chunk abbrev_parent_hashes; | |
02edd56b | 652 | size_t wrap_start; |
f29d5958 RS |
653 | }; |
654 | ||
b9c62321 RS |
655 | static int add_again(struct strbuf *sb, struct chunk *chunk) |
656 | { | |
657 | if (chunk->len) { | |
658 | strbuf_adddup(sb, chunk->off, chunk->len); | |
659 | return 1; | |
660 | } | |
661 | ||
662 | /* | |
663 | * We haven't seen this chunk before. Our caller is surely | |
664 | * going to add it the hard way now. Remember the most likely | |
665 | * start of the to-be-added chunk: the current end of the | |
666 | * struct strbuf. | |
667 | */ | |
668 | chunk->off = sb->len; | |
669 | return 0; | |
670 | } | |
671 | ||
f29d5958 | 672 | static void parse_commit_header(struct format_commit_context *context) |
93fc05eb | 673 | { |
177b29dc | 674 | const char *msg = context->message; |
93fc05eb | 675 | int i; |
f29d5958 | 676 | |
f53bd743 | 677 | for (i = 0; msg[i]; i++) { |
f29d5958 RS |
678 | int eol; |
679 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
680 | ; /* do nothing */ | |
681 | ||
f29d5958 | 682 | if (i == eol) { |
f53bd743 | 683 | break; |
f29d5958 RS |
684 | } else if (!prefixcmp(msg + i, "author ")) { |
685 | context->author.off = i + 7; | |
686 | context->author.len = eol - i - 7; | |
687 | } else if (!prefixcmp(msg + i, "committer ")) { | |
688 | context->committer.off = i + 10; | |
689 | context->committer.len = eol - i - 10; | |
690 | } else if (!prefixcmp(msg + i, "encoding ")) { | |
691 | context->encoding.off = i + 9; | |
692 | context->encoding.len = eol - i - 9; | |
693 | } | |
694 | i = eol; | |
695 | } | |
f53bd743 | 696 | context->message_off = i; |
f29d5958 RS |
697 | context->commit_header_parsed = 1; |
698 | } | |
699 | ||
46d164b0 SB |
700 | static int istitlechar(char c) |
701 | { | |
702 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
703 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
704 | } | |
705 | ||
706 | static void format_sanitized_subject(struct strbuf *sb, const char *msg) | |
707 | { | |
708 | size_t trimlen; | |
871d21d4 | 709 | size_t start_len = sb->len; |
46d164b0 SB |
710 | int space = 2; |
711 | ||
712 | for (; *msg && *msg != '\n'; msg++) { | |
713 | if (istitlechar(*msg)) { | |
714 | if (space == 1) | |
715 | strbuf_addch(sb, '-'); | |
716 | space = 0; | |
717 | strbuf_addch(sb, *msg); | |
718 | if (*msg == '.') | |
719 | while (*(msg+1) == '.') | |
720 | msg++; | |
721 | } else | |
722 | space |= 1; | |
723 | } | |
724 | ||
725 | /* trim any trailing '.' or '-' characters */ | |
726 | trimlen = 0; | |
871d21d4 SB |
727 | while (sb->len - trimlen > start_len && |
728 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
729 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
46d164b0 SB |
730 | trimlen++; |
731 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
732 | } | |
733 | ||
cec08717 RS |
734 | const char *format_subject(struct strbuf *sb, const char *msg, |
735 | const char *line_separator) | |
88c44735 RS |
736 | { |
737 | int first = 1; | |
738 | ||
739 | for (;;) { | |
740 | const char *line = msg; | |
741 | int linelen = get_one_line(line); | |
742 | ||
743 | msg += linelen; | |
744 | if (!linelen || is_empty_line(line, &linelen)) | |
745 | break; | |
746 | ||
f53bd743 RS |
747 | if (!sb) |
748 | continue; | |
88c44735 RS |
749 | strbuf_grow(sb, linelen + 2); |
750 | if (!first) | |
751 | strbuf_addstr(sb, line_separator); | |
752 | strbuf_add(sb, line, linelen); | |
753 | first = 0; | |
754 | } | |
755 | return msg; | |
756 | } | |
757 | ||
f53bd743 RS |
758 | static void parse_commit_message(struct format_commit_context *c) |
759 | { | |
177b29dc PN |
760 | const char *msg = c->message + c->message_off; |
761 | const char *start = c->message; | |
f53bd743 RS |
762 | |
763 | msg = skip_empty_lines(msg); | |
764 | c->subject_off = msg - start; | |
765 | ||
766 | msg = format_subject(NULL, msg, NULL); | |
767 | msg = skip_empty_lines(msg); | |
768 | c->body_off = msg - start; | |
769 | ||
770 | c->commit_message_parsed = 1; | |
771 | } | |
772 | ||
3b3d443f RS |
773 | static void format_decoration(struct strbuf *sb, const struct commit *commit) |
774 | { | |
775 | struct name_decoration *d; | |
776 | const char *prefix = " ("; | |
777 | ||
33e7018c | 778 | load_ref_decorations(DECORATE_SHORT_REFS); |
3b3d443f RS |
779 | d = lookup_decoration(&name_decoration, &commit->object); |
780 | while (d) { | |
781 | strbuf_addstr(sb, prefix); | |
782 | prefix = ", "; | |
783 | strbuf_addstr(sb, d->name); | |
784 | d = d->next; | |
785 | } | |
786 | if (prefix[0] == ',') | |
787 | strbuf_addch(sb, ')'); | |
788 | } | |
789 | ||
02edd56b RS |
790 | static void strbuf_wrap(struct strbuf *sb, size_t pos, |
791 | size_t width, size_t indent1, size_t indent2) | |
792 | { | |
793 | struct strbuf tmp = STRBUF_INIT; | |
794 | ||
795 | if (pos) | |
796 | strbuf_add(&tmp, sb->buf, pos); | |
797 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
798 | (int) indent1, (int) indent2, (int) width); | |
799 | strbuf_swap(&tmp, sb); | |
800 | strbuf_release(&tmp); | |
801 | } | |
802 | ||
803 | static void rewrap_message_tail(struct strbuf *sb, | |
804 | struct format_commit_context *c, | |
805 | size_t new_width, size_t new_indent1, | |
806 | size_t new_indent2) | |
807 | { | |
808 | if (c->width == new_width && c->indent1 == new_indent1 && | |
809 | c->indent2 == new_indent2) | |
810 | return; | |
32ca4249 | 811 | if (c->wrap_start < sb->len) |
02edd56b RS |
812 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
813 | c->wrap_start = sb->len; | |
814 | c->width = new_width; | |
815 | c->indent1 = new_indent1; | |
816 | c->indent2 = new_indent2; | |
817 | } | |
818 | ||
f6667c5e JH |
819 | static struct { |
820 | char result; | |
821 | const char *check; | |
822 | } signature_check[] = { | |
823 | { 'G', ": Good signature from " }, | |
824 | { 'B', ": BAD signature from " }, | |
825 | }; | |
826 | ||
827 | static void parse_signature_lines(struct format_commit_context *ctx) | |
828 | { | |
829 | const char *buf = ctx->signature.gpg_output; | |
830 | int i; | |
831 | ||
832 | for (i = 0; i < ARRAY_SIZE(signature_check); i++) { | |
833 | const char *found = strstr(buf, signature_check[i].check); | |
834 | const char *next; | |
835 | if (!found) | |
836 | continue; | |
837 | ctx->signature.good_bad = signature_check[i].result; | |
838 | found += strlen(signature_check[i].check); | |
839 | next = strchrnul(found, '\n'); | |
840 | ctx->signature.signer = xmemdupz(found, next - found); | |
841 | break; | |
842 | } | |
843 | } | |
844 | ||
845 | static void parse_commit_signature(struct format_commit_context *ctx) | |
846 | { | |
847 | struct strbuf payload = STRBUF_INIT; | |
848 | struct strbuf signature = STRBUF_INIT; | |
849 | struct strbuf gpg_output = STRBUF_INIT; | |
850 | int status; | |
851 | ||
852 | ctx->commit_signature_parsed = 1; | |
853 | ||
854 | if (parse_signed_commit(ctx->commit->object.sha1, | |
855 | &payload, &signature) <= 0) | |
856 | goto out; | |
857 | status = verify_signed_buffer(payload.buf, payload.len, | |
858 | signature.buf, signature.len, | |
859 | &gpg_output); | |
860 | if (status && !gpg_output.len) | |
861 | goto out; | |
862 | ctx->signature.gpg_output = strbuf_detach(&gpg_output, NULL); | |
863 | parse_signature_lines(ctx); | |
864 | ||
865 | out: | |
866 | strbuf_release(&gpg_output); | |
867 | strbuf_release(&payload); | |
868 | strbuf_release(&signature); | |
869 | } | |
870 | ||
871 | ||
cd1957f5 JK |
872 | static int format_reflog_person(struct strbuf *sb, |
873 | char part, | |
874 | struct reflog_walk_info *log, | |
875 | enum date_mode dmode) | |
876 | { | |
877 | const char *ident; | |
878 | ||
879 | if (!log) | |
880 | return 2; | |
881 | ||
882 | ident = get_reflog_ident(log); | |
883 | if (!ident) | |
884 | return 2; | |
885 | ||
886 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
887 | } | |
888 | ||
9fa708da JH |
889 | static size_t format_commit_one(struct strbuf *sb, const char *placeholder, |
890 | void *context) | |
f29d5958 RS |
891 | { |
892 | struct format_commit_context *c = context; | |
893 | const struct commit *commit = c->commit; | |
177b29dc | 894 | const char *msg = c->message; |
f29d5958 | 895 | struct commit_list *p; |
42c8c74c | 896 | int h1, h2; |
93fc05eb | 897 | |
93fc05eb | 898 | /* these are independent of the commit */ |
cde75e59 RS |
899 | switch (placeholder[0]) { |
900 | case 'C': | |
c002922a JK |
901 | if (placeholder[1] == '(') { |
902 | const char *end = strchr(placeholder + 2, ')'); | |
903 | char color[COLOR_MAXLEN]; | |
904 | if (!end) | |
905 | return 0; | |
906 | color_parse_mem(placeholder + 2, | |
907 | end - (placeholder + 2), | |
908 | "--pretty format", color); | |
909 | strbuf_addstr(sb, color); | |
910 | return end - placeholder + 1; | |
911 | } | |
c3a670de | 912 | if (!prefixcmp(placeholder + 1, "red")) { |
dc6ebd4c | 913 | strbuf_addstr(sb, GIT_COLOR_RED); |
c3a670de MC |
914 | return 4; |
915 | } else if (!prefixcmp(placeholder + 1, "green")) { | |
dc6ebd4c | 916 | strbuf_addstr(sb, GIT_COLOR_GREEN); |
c3a670de MC |
917 | return 6; |
918 | } else if (!prefixcmp(placeholder + 1, "blue")) { | |
dc6ebd4c | 919 | strbuf_addstr(sb, GIT_COLOR_BLUE); |
c3a670de MC |
920 | return 5; |
921 | } else if (!prefixcmp(placeholder + 1, "reset")) { | |
dc6ebd4c | 922 | strbuf_addstr(sb, GIT_COLOR_RESET); |
c3a670de MC |
923 | return 6; |
924 | } else | |
925 | return 0; | |
cde75e59 RS |
926 | case 'n': /* newline */ |
927 | strbuf_addch(sb, '\n'); | |
c3a670de | 928 | return 1; |
42c8c74c GS |
929 | case 'x': |
930 | /* %x00 == NUL, %x0a == LF, etc. */ | |
931 | if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) && | |
932 | h1 <= 16 && | |
933 | 0 <= (h2 = hexval_table[0xff & placeholder[2]]) && | |
934 | h2 <= 16) { | |
935 | strbuf_addch(sb, (h1<<4)|h2); | |
936 | return 3; | |
937 | } else | |
938 | return 0; | |
02edd56b RS |
939 | case 'w': |
940 | if (placeholder[1] == '(') { | |
941 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
942 | char *next; | |
943 | const char *start = placeholder + 2; | |
944 | const char *end = strchr(start, ')'); | |
945 | if (!end) | |
946 | return 0; | |
947 | if (end > start) { | |
948 | width = strtoul(start, &next, 10); | |
949 | if (*next == ',') { | |
950 | indent1 = strtoul(next + 1, &next, 10); | |
951 | if (*next == ',') { | |
952 | indent2 = strtoul(next + 1, | |
953 | &next, 10); | |
954 | } | |
955 | } | |
956 | if (*next != ')') | |
957 | return 0; | |
958 | } | |
959 | rewrap_message_tail(sb, c, width, indent1, indent2); | |
960 | return end - placeholder + 1; | |
961 | } else | |
962 | return 0; | |
cde75e59 | 963 | } |
93fc05eb JS |
964 | |
965 | /* these depend on the commit */ | |
966 | if (!commit->object.parsed) | |
967 | parse_object(commit->object.sha1); | |
93fc05eb | 968 | |
cde75e59 RS |
969 | switch (placeholder[0]) { |
970 | case 'H': /* commit hash */ | |
971 | strbuf_addstr(sb, sha1_to_hex(commit->object.sha1)); | |
c3a670de | 972 | return 1; |
cde75e59 | 973 | case 'h': /* abbreviated commit hash */ |
b9c62321 | 974 | if (add_again(sb, &c->abbrev_commit_hash)) |
c3a670de | 975 | return 1; |
cde75e59 | 976 | strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1, |
c1977021 | 977 | c->pretty_ctx->abbrev)); |
b9c62321 | 978 | c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off; |
c3a670de | 979 | return 1; |
cde75e59 RS |
980 | case 'T': /* tree hash */ |
981 | strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1)); | |
c3a670de | 982 | return 1; |
cde75e59 | 983 | case 't': /* abbreviated tree hash */ |
b9c62321 | 984 | if (add_again(sb, &c->abbrev_tree_hash)) |
c3a670de | 985 | return 1; |
cde75e59 | 986 | strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1, |
c1977021 | 987 | c->pretty_ctx->abbrev)); |
b9c62321 | 988 | c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off; |
c3a670de | 989 | return 1; |
cde75e59 RS |
990 | case 'P': /* parent hashes */ |
991 | for (p = commit->parents; p; p = p->next) { | |
992 | if (p != commit->parents) | |
993 | strbuf_addch(sb, ' '); | |
994 | strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1)); | |
995 | } | |
c3a670de | 996 | return 1; |
cde75e59 | 997 | case 'p': /* abbreviated parent hashes */ |
b9c62321 | 998 | if (add_again(sb, &c->abbrev_parent_hashes)) |
c3a670de | 999 | return 1; |
cde75e59 RS |
1000 | for (p = commit->parents; p; p = p->next) { |
1001 | if (p != commit->parents) | |
1002 | strbuf_addch(sb, ' '); | |
1003 | strbuf_addstr(sb, find_unique_abbrev( | |
c1977021 WP |
1004 | p->item->object.sha1, |
1005 | c->pretty_ctx->abbrev)); | |
cde75e59 | 1006 | } |
b9c62321 RS |
1007 | c->abbrev_parent_hashes.len = sb->len - |
1008 | c->abbrev_parent_hashes.off; | |
c3a670de | 1009 | return 1; |
cde75e59 | 1010 | case 'm': /* left/right/bottom */ |
1df2d656 | 1011 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
c3a670de | 1012 | return 1; |
3b3d443f RS |
1013 | case 'd': |
1014 | format_decoration(sb, commit); | |
1015 | return 1; | |
8f8f5476 TR |
1016 | case 'g': /* reflog info */ |
1017 | switch(placeholder[1]) { | |
1018 | case 'd': /* reflog selector */ | |
1019 | case 'D': | |
1020 | if (c->pretty_ctx->reflog_info) | |
1021 | get_reflog_selector(sb, | |
1022 | c->pretty_ctx->reflog_info, | |
1023 | c->pretty_ctx->date_mode, | |
55ccf85a | 1024 | c->pretty_ctx->date_mode_explicit, |
8f8f5476 TR |
1025 | (placeholder[1] == 'd')); |
1026 | return 2; | |
1027 | case 's': /* reflog message */ | |
1028 | if (c->pretty_ctx->reflog_info) | |
1029 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1030 | return 2; | |
cd1957f5 JK |
1031 | case 'n': |
1032 | case 'N': | |
1033 | case 'e': | |
1034 | case 'E': | |
1035 | return format_reflog_person(sb, | |
1036 | placeholder[1], | |
1037 | c->pretty_ctx->reflog_info, | |
1038 | c->pretty_ctx->date_mode); | |
8f8f5476 TR |
1039 | } |
1040 | return 0; /* unknown %g placeholder */ | |
8b208f02 | 1041 | case 'N': |
5b163603 JG |
1042 | if (c->pretty_ctx->show_notes) { |
1043 | format_display_notes(commit->object.sha1, sb, | |
a6fa5992 | 1044 | get_log_output_encoding(), 0); |
5b163603 JG |
1045 | return 1; |
1046 | } | |
1047 | return 0; | |
cde75e59 RS |
1048 | } |
1049 | ||
f6667c5e JH |
1050 | if (placeholder[0] == 'G') { |
1051 | if (!c->commit_signature_parsed) | |
1052 | parse_commit_signature(c); | |
1053 | switch (placeholder[1]) { | |
1054 | case 'G': | |
1055 | if (c->signature.gpg_output) | |
1056 | strbuf_addstr(sb, c->signature.gpg_output); | |
1057 | break; | |
1058 | case '?': | |
1059 | switch (c->signature.good_bad) { | |
1060 | case 'G': | |
1061 | case 'B': | |
1062 | strbuf_addch(sb, c->signature.good_bad); | |
1063 | } | |
1064 | break; | |
1065 | case 'S': | |
1066 | if (c->signature.signer) | |
1067 | strbuf_addstr(sb, c->signature.signer); | |
1068 | break; | |
1069 | } | |
1070 | return 2; | |
1071 | } | |
1072 | ||
1073 | ||
cde75e59 | 1074 | /* For the rest we have to parse the commit header. */ |
f29d5958 RS |
1075 | if (!c->commit_header_parsed) |
1076 | parse_commit_header(c); | |
93fc05eb | 1077 | |
f29d5958 | 1078 | switch (placeholder[0]) { |
c3a670de MC |
1079 | case 'a': /* author ... */ |
1080 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1081 | msg + c->author.off, c->author.len, |
dd2e794a | 1082 | c->pretty_ctx->date_mode); |
c3a670de MC |
1083 | case 'c': /* committer ... */ |
1084 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1085 | msg + c->committer.off, c->committer.len, |
dd2e794a | 1086 | c->pretty_ctx->date_mode); |
c3a670de | 1087 | case 'e': /* encoding */ |
f29d5958 | 1088 | strbuf_add(sb, msg + c->encoding.off, c->encoding.len); |
c3a670de | 1089 | return 1; |
1367b12a EB |
1090 | case 'B': /* raw body */ |
1091 | /* message_off is always left at the initial newline */ | |
1092 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1093 | return 1; | |
f53bd743 RS |
1094 | } |
1095 | ||
1096 | /* Now we need to parse the commit message. */ | |
1097 | if (!c->commit_message_parsed) | |
1098 | parse_commit_message(c); | |
1099 | ||
1100 | switch (placeholder[0]) { | |
1101 | case 's': /* subject */ | |
1102 | format_subject(sb, msg + c->subject_off, " "); | |
1103 | return 1; | |
46d164b0 SB |
1104 | case 'f': /* sanitized subject */ |
1105 | format_sanitized_subject(sb, msg + c->subject_off); | |
1106 | return 1; | |
c3a670de | 1107 | case 'b': /* body */ |
f29d5958 | 1108 | strbuf_addstr(sb, msg + c->body_off); |
c3a670de | 1109 | return 1; |
93fc05eb | 1110 | } |
c3a670de | 1111 | return 0; /* unknown placeholder */ |
cde75e59 RS |
1112 | } |
1113 | ||
9fa708da JH |
1114 | static size_t format_commit_item(struct strbuf *sb, const char *placeholder, |
1115 | void *context) | |
1116 | { | |
1117 | int consumed; | |
1118 | size_t orig_len; | |
1119 | enum { | |
1120 | NO_MAGIC, | |
1121 | ADD_LF_BEFORE_NON_EMPTY, | |
1122 | DEL_LF_BEFORE_EMPTY, | |
223a923c | 1123 | ADD_SP_BEFORE_NON_EMPTY |
9fa708da JH |
1124 | } magic = NO_MAGIC; |
1125 | ||
1126 | switch (placeholder[0]) { | |
1127 | case '-': | |
1128 | magic = DEL_LF_BEFORE_EMPTY; | |
1129 | break; | |
1130 | case '+': | |
1131 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1132 | break; | |
7b88176e MG |
1133 | case ' ': |
1134 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1135 | break; | |
9fa708da JH |
1136 | default: |
1137 | break; | |
1138 | } | |
1139 | if (magic != NO_MAGIC) | |
1140 | placeholder++; | |
1141 | ||
1142 | orig_len = sb->len; | |
1143 | consumed = format_commit_one(sb, placeholder, context); | |
1144 | if (magic == NO_MAGIC) | |
1145 | return consumed; | |
1146 | ||
1147 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1148 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1149 | strbuf_setlen(sb, sb->len - 1); | |
7b88176e MG |
1150 | } else if (orig_len != sb->len) { |
1151 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
1152 | strbuf_insert(sb, orig_len, "\n", 1); | |
1153 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) | |
1154 | strbuf_insert(sb, orig_len, " ", 1); | |
9fa708da JH |
1155 | } |
1156 | return consumed + 1; | |
1157 | } | |
1158 | ||
5b163603 JG |
1159 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
1160 | void *context) | |
1161 | { | |
1162 | struct userformat_want *w = context; | |
1163 | ||
7b88176e | 1164 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
5b163603 JG |
1165 | placeholder++; |
1166 | ||
1167 | switch (*placeholder) { | |
1168 | case 'N': | |
1169 | w->notes = 1; | |
1170 | break; | |
1171 | } | |
1172 | return 0; | |
1173 | } | |
1174 | ||
1175 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1176 | { | |
1177 | struct strbuf dummy = STRBUF_INIT; | |
1178 | ||
1179 | if (!fmt) { | |
1180 | if (!user_format) | |
1181 | return; | |
1182 | fmt = user_format; | |
1183 | } | |
a6253d10 | 1184 | strbuf_expand(&dummy, fmt, userformat_want_item, w); |
5b163603 JG |
1185 | strbuf_release(&dummy); |
1186 | } | |
1187 | ||
cde75e59 | 1188 | void format_commit_message(const struct commit *commit, |
7f98ebc8 | 1189 | const char *format, struct strbuf *sb, |
dd2e794a | 1190 | const struct pretty_print_context *pretty_ctx) |
cde75e59 | 1191 | { |
f29d5958 | 1192 | struct format_commit_context context; |
177b29dc | 1193 | static const char utf8[] = "UTF-8"; |
177b29dc | 1194 | const char *output_enc = pretty_ctx->output_encoding; |
f29d5958 RS |
1195 | |
1196 | memset(&context, 0, sizeof(context)); | |
1197 | context.commit = commit; | |
dd2e794a | 1198 | context.pretty_ctx = pretty_ctx; |
02edd56b | 1199 | context.wrap_start = sb->len; |
177b29dc PN |
1200 | context.message = commit->buffer; |
1201 | if (output_enc) { | |
9cd7a92b | 1202 | char *enc = get_header(commit, "encoding"); |
1d5bd615 | 1203 | if (strcmp(enc ? enc : utf8, output_enc)) { |
177b29dc | 1204 | context.message = logmsg_reencode(commit, output_enc); |
1d5bd615 NTND |
1205 | if (!context.message) |
1206 | context.message = commit->buffer; | |
1207 | } | |
9cd7a92b | 1208 | free(enc); |
177b29dc PN |
1209 | } |
1210 | ||
c3a670de | 1211 | strbuf_expand(sb, format, format_commit_item, &context); |
02edd56b | 1212 | rewrap_message_tail(sb, &context, 0, 0, 0); |
177b29dc PN |
1213 | |
1214 | if (context.message != commit->buffer) | |
1215 | free(context.message); | |
f6667c5e JH |
1216 | free(context.signature.gpg_output); |
1217 | free(context.signature.signer); | |
93fc05eb JS |
1218 | } |
1219 | ||
6bf13944 | 1220 | static void pp_header(const struct pretty_print_context *pp, |
93fc05eb JS |
1221 | const char *encoding, |
1222 | const struct commit *commit, | |
1223 | const char **msg_p, | |
1224 | struct strbuf *sb) | |
1225 | { | |
1226 | int parents_shown = 0; | |
1227 | ||
1228 | for (;;) { | |
1229 | const char *line = *msg_p; | |
1230 | int linelen = get_one_line(*msg_p); | |
1231 | ||
1232 | if (!linelen) | |
1233 | return; | |
1234 | *msg_p += linelen; | |
1235 | ||
1236 | if (linelen == 1) | |
1237 | /* End of header */ | |
1238 | return; | |
1239 | ||
6bf13944 | 1240 | if (pp->fmt == CMIT_FMT_RAW) { |
93fc05eb JS |
1241 | strbuf_add(sb, line, linelen); |
1242 | continue; | |
1243 | } | |
1244 | ||
1245 | if (!memcmp(line, "parent ", 7)) { | |
1246 | if (linelen != 48) | |
1247 | die("bad parent line in commit"); | |
1248 | continue; | |
1249 | } | |
1250 | ||
1251 | if (!parents_shown) { | |
1252 | struct commit_list *parent; | |
1253 | int num; | |
1254 | for (parent = commit->parents, num = 0; | |
1255 | parent; | |
1256 | parent = parent->next, num++) | |
1257 | ; | |
1258 | /* with enough slop */ | |
1259 | strbuf_grow(sb, num * 50 + 20); | |
6bf13944 | 1260 | add_merge_info(pp, sb, commit); |
93fc05eb JS |
1261 | parents_shown = 1; |
1262 | } | |
1263 | ||
1264 | /* | |
1265 | * MEDIUM == DEFAULT shows only author with dates. | |
1266 | * FULL shows both authors but not dates. | |
1267 | * FULLER shows both authors and dates. | |
1268 | */ | |
1269 | if (!memcmp(line, "author ", 7)) { | |
1270 | strbuf_grow(sb, linelen + 80); | |
6bf13944 | 1271 | pp_user_info(pp, "Author", sb, line + 7, encoding); |
93fc05eb JS |
1272 | } |
1273 | if (!memcmp(line, "committer ", 10) && | |
6bf13944 | 1274 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
93fc05eb | 1275 | strbuf_grow(sb, linelen + 80); |
6bf13944 | 1276 | pp_user_info(pp, "Commit", sb, line + 10, encoding); |
93fc05eb JS |
1277 | } |
1278 | } | |
1279 | } | |
1280 | ||
6bf13944 | 1281 | void pp_title_line(const struct pretty_print_context *pp, |
b02bd65f DB |
1282 | const char **msg_p, |
1283 | struct strbuf *sb, | |
b02bd65f | 1284 | const char *encoding, |
267123b4 | 1285 | int need_8bit_cte) |
93fc05eb JS |
1286 | { |
1287 | struct strbuf title; | |
1288 | ||
1289 | strbuf_init(&title, 80); | |
9553d2b2 JK |
1290 | *msg_p = format_subject(&title, *msg_p, |
1291 | pp->preserve_subject ? "\n" : " "); | |
93fc05eb JS |
1292 | |
1293 | strbuf_grow(sb, title.len + 1024); | |
6bf13944 JK |
1294 | if (pp->subject) { |
1295 | strbuf_addstr(sb, pp->subject); | |
93fc05eb JS |
1296 | add_rfc2047(sb, title.buf, title.len, encoding); |
1297 | } else { | |
1298 | strbuf_addbuf(sb, &title); | |
1299 | } | |
1300 | strbuf_addch(sb, '\n'); | |
1301 | ||
6bf4f1b4 | 1302 | if (need_8bit_cte > 0) { |
93fc05eb JS |
1303 | const char *header_fmt = |
1304 | "MIME-Version: 1.0\n" | |
1305 | "Content-Type: text/plain; charset=%s\n" | |
1306 | "Content-Transfer-Encoding: 8bit\n"; | |
1307 | strbuf_addf(sb, header_fmt, encoding); | |
1308 | } | |
6bf13944 JK |
1309 | if (pp->after_subject) { |
1310 | strbuf_addstr(sb, pp->after_subject); | |
93fc05eb | 1311 | } |
6bf13944 | 1312 | if (pp->fmt == CMIT_FMT_EMAIL) { |
93fc05eb JS |
1313 | strbuf_addch(sb, '\n'); |
1314 | } | |
1315 | strbuf_release(&title); | |
1316 | } | |
1317 | ||
6bf13944 | 1318 | void pp_remainder(const struct pretty_print_context *pp, |
b02bd65f DB |
1319 | const char **msg_p, |
1320 | struct strbuf *sb, | |
1321 | int indent) | |
93fc05eb JS |
1322 | { |
1323 | int first = 1; | |
1324 | for (;;) { | |
1325 | const char *line = *msg_p; | |
1326 | int linelen = get_one_line(line); | |
1327 | *msg_p += linelen; | |
1328 | ||
1329 | if (!linelen) | |
1330 | break; | |
1331 | ||
1332 | if (is_empty_line(line, &linelen)) { | |
1333 | if (first) | |
1334 | continue; | |
6bf13944 | 1335 | if (pp->fmt == CMIT_FMT_SHORT) |
93fc05eb JS |
1336 | break; |
1337 | } | |
1338 | first = 0; | |
1339 | ||
1340 | strbuf_grow(sb, linelen + indent + 20); | |
1341 | if (indent) { | |
1342 | memset(sb->buf + sb->len, ' ', indent); | |
1343 | strbuf_setlen(sb, sb->len + indent); | |
1344 | } | |
1345 | strbuf_add(sb, line, linelen); | |
1346 | strbuf_addch(sb, '\n'); | |
1347 | } | |
1348 | } | |
1349 | ||
69cd8f63 AG |
1350 | char *reencode_commit_message(const struct commit *commit, const char **encoding_p) |
1351 | { | |
1352 | const char *encoding; | |
1353 | ||
a6fa5992 | 1354 | encoding = get_log_output_encoding(); |
69cd8f63 AG |
1355 | if (encoding_p) |
1356 | *encoding_p = encoding; | |
1357 | return logmsg_reencode(commit, encoding); | |
1358 | } | |
1359 | ||
6bf13944 JK |
1360 | void pretty_print_commit(const struct pretty_print_context *pp, |
1361 | const struct commit *commit, | |
1362 | struct strbuf *sb) | |
93fc05eb JS |
1363 | { |
1364 | unsigned long beginning_of_body; | |
1365 | int indent = 4; | |
1366 | const char *msg = commit->buffer; | |
1367 | char *reencoded; | |
1368 | const char *encoding; | |
6bf13944 | 1369 | int need_8bit_cte = pp->need_8bit_cte; |
93fc05eb | 1370 | |
6bf13944 JK |
1371 | if (pp->fmt == CMIT_FMT_USERFORMAT) { |
1372 | format_commit_message(commit, user_format, sb, pp); | |
93fc05eb JS |
1373 | return; |
1374 | } | |
1375 | ||
69cd8f63 | 1376 | reencoded = reencode_commit_message(commit, &encoding); |
93fc05eb JS |
1377 | if (reencoded) { |
1378 | msg = reencoded; | |
1379 | } | |
1380 | ||
6bf13944 | 1381 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
93fc05eb JS |
1382 | indent = 0; |
1383 | ||
6bf4f1b4 JH |
1384 | /* |
1385 | * We need to check and emit Content-type: to mark it | |
1386 | * as 8-bit if we haven't done so. | |
93fc05eb | 1387 | */ |
6bf13944 | 1388 | if (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) { |
93fc05eb JS |
1389 | int i, ch, in_body; |
1390 | ||
1391 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
1392 | if (!in_body) { | |
1393 | /* author could be non 7-bit ASCII but | |
1394 | * the log may be so; skip over the | |
1395 | * header part first. | |
1396 | */ | |
1397 | if (ch == '\n' && msg[i+1] == '\n') | |
1398 | in_body = 1; | |
1399 | } | |
1400 | else if (non_ascii(ch)) { | |
6bf4f1b4 | 1401 | need_8bit_cte = 1; |
93fc05eb JS |
1402 | break; |
1403 | } | |
1404 | } | |
1405 | } | |
1406 | ||
6bf13944 JK |
1407 | pp_header(pp, encoding, commit, &msg, sb); |
1408 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) { | |
93fc05eb JS |
1409 | strbuf_addch(sb, '\n'); |
1410 | } | |
1411 | ||
1412 | /* Skip excess blank lines at the beginning of body, if any... */ | |
a0109668 | 1413 | msg = skip_empty_lines(msg); |
93fc05eb JS |
1414 | |
1415 | /* These formats treat the title line specially. */ | |
6bf13944 JK |
1416 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
1417 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); | |
93fc05eb JS |
1418 | |
1419 | beginning_of_body = sb->len; | |
6bf13944 JK |
1420 | if (pp->fmt != CMIT_FMT_ONELINE) |
1421 | pp_remainder(pp, &msg, sb, indent); | |
93fc05eb JS |
1422 | strbuf_rtrim(sb); |
1423 | ||
1424 | /* Make sure there is an EOLN for the non-oneline case */ | |
6bf13944 | 1425 | if (pp->fmt != CMIT_FMT_ONELINE) |
93fc05eb JS |
1426 | strbuf_addch(sb, '\n'); |
1427 | ||
1428 | /* | |
1429 | * The caller may append additional body text in e-mail | |
1430 | * format. Make sure we did not strip the blank line | |
1431 | * between the header and the body. | |
1432 | */ | |
6bf13944 | 1433 | if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body) |
93fc05eb | 1434 | strbuf_addch(sb, '\n'); |
a97a7468 | 1435 | |
6bf13944 | 1436 | if (pp->show_notes) |
894a9d33 TR |
1437 | format_display_notes(commit->object.sha1, sb, encoding, |
1438 | NOTES_SHOW_HEADER | NOTES_INDENT); | |
a97a7468 | 1439 | |
93fc05eb JS |
1440 | free(reencoded); |
1441 | } | |
8b8a5374 JK |
1442 | |
1443 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
1444 | struct strbuf *sb) | |
1445 | { | |
1446 | struct pretty_print_context pp = {0}; | |
6bf13944 JK |
1447 | pp.fmt = fmt; |
1448 | pretty_print_commit(&pp, commit, sb); | |
8b8a5374 | 1449 | } |