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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 | |
b9c7d6e4 JK |
27 | int commit_format_is_empty(enum cmit_fmt fmt) |
28 | { | |
29 | return fmt == CMIT_FMT_USERFORMAT && !*user_format; | |
30 | } | |
31 | ||
36407548 NS |
32 | static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) |
33 | { | |
34 | free(user_format); | |
35 | user_format = xstrdup(cp); | |
36 | if (is_tformat) | |
37 | rev->use_terminator = 1; | |
38 | rev->commit_format = CMIT_FMT_USERFORMAT; | |
39 | } | |
40 | ||
8028184e | 41 | static int git_pretty_formats_config(const char *var, const char *value, void *cb) |
93fc05eb | 42 | { |
8028184e WP |
43 | struct cmt_fmt_map *commit_format = NULL; |
44 | const char *name; | |
45 | const char *fmt; | |
93fc05eb | 46 | int i; |
8028184e | 47 | |
95b567c7 | 48 | if (!skip_prefix(var, "pretty.", &name)) |
8028184e WP |
49 | return 0; |
50 | ||
8028184e WP |
51 | for (i = 0; i < builtin_formats_len; i++) { |
52 | if (!strcmp(commit_formats[i].name, name)) | |
53 | return 0; | |
54 | } | |
55 | ||
56 | for (i = builtin_formats_len; i < commit_formats_len; i++) { | |
57 | if (!strcmp(commit_formats[i].name, name)) { | |
58 | commit_format = &commit_formats[i]; | |
59 | break; | |
60 | } | |
61 | } | |
62 | ||
63 | if (!commit_format) { | |
64 | ALLOC_GROW(commit_formats, commit_formats_len+1, | |
65 | commit_formats_alloc); | |
66 | commit_format = &commit_formats[commit_formats_len]; | |
95a2618f | 67 | memset(commit_format, 0, sizeof(*commit_format)); |
8028184e WP |
68 | commit_formats_len++; |
69 | } | |
70 | ||
71 | commit_format->name = xstrdup(name); | |
72 | commit_format->format = CMIT_FMT_USERFORMAT; | |
a26bc613 TA |
73 | if (git_config_string(&fmt, var, value)) |
74 | return -1; | |
75 | ||
e3f1da98 RS |
76 | if (skip_prefix(fmt, "format:", &fmt)) |
77 | commit_format->is_tformat = 0; | |
78 | else if (skip_prefix(fmt, "tformat:", &fmt) || strchr(fmt, '%')) | |
8028184e WP |
79 | commit_format->is_tformat = 1; |
80 | else | |
81 | commit_format->is_alias = 1; | |
82 | commit_format->user_format = fmt; | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
40957891 | 87 | static void setup_commit_formats(void) |
93fc05eb | 88 | { |
40957891 WP |
89 | struct cmt_fmt_map builtin_formats[] = { |
90 | { "raw", CMIT_FMT_RAW, 0 }, | |
91 | { "medium", CMIT_FMT_MEDIUM, 0 }, | |
92 | { "short", CMIT_FMT_SHORT, 0 }, | |
93 | { "email", CMIT_FMT_EMAIL, 0 }, | |
94 | { "fuller", CMIT_FMT_FULLER, 0 }, | |
95 | { "full", CMIT_FMT_FULL, 0 }, | |
96 | { "oneline", CMIT_FMT_ONELINE, 1 } | |
4da45bef | 97 | }; |
40957891 | 98 | commit_formats_len = ARRAY_SIZE(builtin_formats); |
8028184e WP |
99 | builtin_formats_len = commit_formats_len; |
100 | ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); | |
40957891 WP |
101 | memcpy(commit_formats, builtin_formats, |
102 | sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats)); | |
8028184e WP |
103 | |
104 | git_config(git_pretty_formats_config, NULL); | |
40957891 WP |
105 | } |
106 | ||
2d7671ef WP |
107 | static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, |
108 | const char *original, | |
109 | int num_redirections) | |
40957891 WP |
110 | { |
111 | struct cmt_fmt_map *found = NULL; | |
112 | size_t found_match_len = 0; | |
113 | int i; | |
114 | ||
2d7671ef WP |
115 | if (num_redirections >= commit_formats_len) |
116 | die("invalid --pretty format: " | |
117 | "'%s' references an alias which points to itself", | |
118 | original); | |
40957891 WP |
119 | |
120 | for (i = 0; i < commit_formats_len; i++) { | |
121 | size_t match_len; | |
122 | ||
59556548 | 123 | if (!starts_with(commit_formats[i].name, sought)) |
40957891 WP |
124 | continue; |
125 | ||
126 | match_len = strlen(commit_formats[i].name); | |
127 | if (found == NULL || found_match_len > match_len) { | |
128 | found = &commit_formats[i]; | |
129 | found_match_len = match_len; | |
130 | } | |
131 | } | |
2d7671ef WP |
132 | |
133 | if (found && found->is_alias) { | |
134 | found = find_commit_format_recursive(found->user_format, | |
135 | original, | |
136 | num_redirections+1); | |
137 | } | |
138 | ||
40957891 WP |
139 | return found; |
140 | } | |
141 | ||
2d7671ef WP |
142 | static struct cmt_fmt_map *find_commit_format(const char *sought) |
143 | { | |
144 | if (!commit_formats) | |
145 | setup_commit_formats(); | |
146 | ||
147 | return find_commit_format_recursive(sought, sought, 0); | |
148 | } | |
149 | ||
40957891 WP |
150 | void get_commit_format(const char *arg, struct rev_info *rev) |
151 | { | |
152 | struct cmt_fmt_map *commit_format; | |
93fc05eb | 153 | |
4da45bef | 154 | rev->use_terminator = 0; |
c75e7ad2 | 155 | if (!arg) { |
4da45bef JH |
156 | rev->commit_format = CMIT_FMT_DEFAULT; |
157 | return; | |
158 | } | |
e3f1da98 RS |
159 | if (skip_prefix(arg, "format:", &arg)) { |
160 | save_user_format(rev, arg, 0); | |
4da45bef | 161 | return; |
93fc05eb | 162 | } |
40957891 | 163 | |
e3f1da98 | 164 | if (!*arg || skip_prefix(arg, "tformat:", &arg) || strchr(arg, '%')) { |
36407548 NS |
165 | save_user_format(rev, arg, 1); |
166 | return; | |
167 | } | |
93fc05eb | 168 | |
40957891 WP |
169 | commit_format = find_commit_format(arg); |
170 | if (!commit_format) | |
171 | die("invalid --pretty format: %s", arg); | |
172 | ||
173 | rev->commit_format = commit_format->format; | |
174 | rev->use_terminator = commit_format->is_tformat; | |
8028184e WP |
175 | if (commit_format->format == CMIT_FMT_USERFORMAT) { |
176 | save_user_format(rev, commit_format->user_format, | |
177 | commit_format->is_tformat); | |
178 | } | |
93fc05eb JS |
179 | } |
180 | ||
181 | /* | |
182 | * Generic support for pretty-printing the header | |
183 | */ | |
184 | static int get_one_line(const char *msg) | |
185 | { | |
186 | int ret = 0; | |
187 | ||
188 | for (;;) { | |
189 | char c = *msg++; | |
190 | if (!c) | |
191 | break; | |
192 | ret++; | |
193 | if (c == '\n') | |
194 | break; | |
195 | } | |
196 | return ret; | |
197 | } | |
198 | ||
199 | /* High bit set, or ISO-2022-INT */ | |
cc571142 | 200 | static int non_ascii(int ch) |
93fc05eb | 201 | { |
c2e9364a | 202 | return !isascii(ch) || ch == '\033'; |
93fc05eb JS |
203 | } |
204 | ||
28e9cf65 JS |
205 | int has_non_ascii(const char *s) |
206 | { | |
207 | int ch; | |
208 | if (!s) | |
209 | return 0; | |
210 | while ((ch = *s++) != '\0') { | |
211 | if (non_ascii(ch)) | |
212 | return 1; | |
213 | } | |
214 | return 0; | |
215 | } | |
216 | ||
4d03c18a JK |
217 | static int is_rfc822_special(char ch) |
218 | { | |
219 | switch (ch) { | |
220 | case '(': | |
221 | case ')': | |
222 | case '<': | |
223 | case '>': | |
224 | case '[': | |
225 | case ']': | |
226 | case ':': | |
227 | case ';': | |
228 | case '@': | |
229 | case ',': | |
230 | case '.': | |
231 | case '"': | |
232 | case '\\': | |
233 | return 1; | |
234 | default: | |
235 | return 0; | |
236 | } | |
237 | } | |
238 | ||
41dd00ba | 239 | static int needs_rfc822_quoting(const char *s, int len) |
4d03c18a JK |
240 | { |
241 | int i; | |
242 | for (i = 0; i < len; i++) | |
243 | if (is_rfc822_special(s[i])) | |
244 | return 1; | |
245 | return 0; | |
246 | } | |
247 | ||
f9b7204b JS |
248 | static int last_line_length(struct strbuf *sb) |
249 | { | |
250 | int i; | |
251 | ||
252 | /* How many bytes are already used on the last line? */ | |
253 | for (i = sb->len - 1; i >= 0; i--) | |
254 | if (sb->buf[i] == '\n') | |
255 | break; | |
256 | return sb->len - (i + 1); | |
257 | } | |
258 | ||
4d03c18a JK |
259 | static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) |
260 | { | |
261 | int i; | |
262 | ||
263 | /* just a guess, we may have to also backslash-quote */ | |
264 | strbuf_grow(out, len + 2); | |
265 | ||
266 | strbuf_addch(out, '"'); | |
267 | for (i = 0; i < len; i++) { | |
268 | switch (s[i]) { | |
269 | case '"': | |
270 | case '\\': | |
271 | strbuf_addch(out, '\\'); | |
272 | /* fall through */ | |
273 | default: | |
274 | strbuf_addch(out, s[i]); | |
275 | } | |
276 | } | |
277 | strbuf_addch(out, '"'); | |
278 | } | |
279 | ||
0fcec2ce JS |
280 | enum rfc2047_type { |
281 | RFC2047_SUBJECT, | |
78273520 | 282 | RFC2047_ADDRESS |
0fcec2ce JS |
283 | }; |
284 | ||
285 | static int is_rfc2047_special(char ch, enum rfc2047_type type) | |
93fc05eb | 286 | { |
0fcec2ce JS |
287 | /* |
288 | * rfc2047, section 4.2: | |
289 | * | |
290 | * 8-bit values which correspond to printable ASCII characters other | |
291 | * than "=", "?", and "_" (underscore), MAY be represented as those | |
292 | * characters. (But see section 5 for restrictions.) In | |
293 | * particular, SPACE and TAB MUST NOT be represented as themselves | |
294 | * within encoded words. | |
295 | */ | |
296 | ||
297 | /* | |
298 | * rule out non-ASCII characters and non-printable characters (the | |
299 | * non-ASCII check should be redundant as isprint() is not localized | |
300 | * and only knows about ASCII, but be defensive about that) | |
301 | */ | |
302 | if (non_ascii(ch) || !isprint(ch)) | |
303 | return 1; | |
304 | ||
305 | /* | |
306 | * rule out special printable characters (' ' should be the only | |
307 | * whitespace character considered printable, but be defensive and use | |
308 | * isspace()) | |
309 | */ | |
310 | if (isspace(ch) || ch == '=' || ch == '?' || ch == '_') | |
94f6cdf6 JS |
311 | return 1; |
312 | ||
0fcec2ce JS |
313 | /* |
314 | * rfc2047, section 5.3: | |
315 | * | |
316 | * As a replacement for a 'word' entity within a 'phrase', for example, | |
317 | * one that precedes an address in a From, To, or Cc header. The ABNF | |
318 | * definition for 'phrase' from RFC 822 thus becomes: | |
319 | * | |
320 | * phrase = 1*( encoded-word / word ) | |
321 | * | |
322 | * In this case the set of characters that may be used in a "Q"-encoded | |
323 | * 'encoded-word' is restricted to: <upper and lower case ASCII | |
324 | * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" | |
325 | * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a | |
326 | * 'phrase' MUST be separated from any adjacent 'word', 'text' or | |
327 | * 'special' by 'linear-white-space'. | |
328 | */ | |
329 | ||
330 | if (type != RFC2047_ADDRESS) | |
331 | return 0; | |
332 | ||
333 | /* '=' and '_' are special cases and have been checked above */ | |
334 | return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/'); | |
93fc05eb JS |
335 | } |
336 | ||
41dd00ba JS |
337 | static int needs_rfc2047_encoding(const char *line, int len, |
338 | enum rfc2047_type type) | |
93fc05eb | 339 | { |
a1f6baa5 | 340 | int i; |
93fc05eb JS |
341 | |
342 | for (i = 0; i < len; i++) { | |
343 | int ch = line[i]; | |
c22e7de3 | 344 | if (non_ascii(ch) || ch == '\n') |
41dd00ba | 345 | return 1; |
93fc05eb | 346 | if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) |
41dd00ba | 347 | return 1; |
93fc05eb | 348 | } |
93fc05eb | 349 | |
41dd00ba JS |
350 | return 0; |
351 | } | |
352 | ||
6cd3c053 | 353 | static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, |
41dd00ba JS |
354 | const char *encoding, enum rfc2047_type type) |
355 | { | |
356 | static const int max_encoded_length = 76; /* per rfc2047 */ | |
357 | int i; | |
358 | int line_len = last_line_length(sb); | |
359 | ||
93fc05eb JS |
360 | strbuf_grow(sb, len * 3 + strlen(encoding) + 100); |
361 | strbuf_addf(sb, "=?%s?q?", encoding); | |
a1f6baa5 | 362 | line_len += strlen(encoding) + 5; /* 5 for =??q? */ |
6cd3c053 KS |
363 | |
364 | while (len) { | |
365 | /* | |
366 | * RFC 2047, section 5 (3): | |
367 | * | |
368 | * Each 'encoded-word' MUST represent an integral number of | |
369 | * characters. A multi-octet character may not be split across | |
370 | * adjacent 'encoded- word's. | |
371 | */ | |
372 | const unsigned char *p = (const unsigned char *)line; | |
373 | int chrlen = mbs_chrlen(&line, &len, encoding); | |
374 | int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); | |
375 | ||
376 | /* "=%02X" * chrlen, or the byte itself */ | |
377 | const char *encoded_fmt = is_special ? "=%02X" : "%c"; | |
378 | int encoded_len = is_special ? 3 * chrlen : 1; | |
94f6cdf6 JS |
379 | |
380 | /* | |
381 | * According to RFC 2047, we could encode the special character | |
382 | * ' ' (space) with '_' (underscore) for readability. But many | |
383 | * programs do not understand this and just leave the | |
384 | * underscore in place. Thus, we do nothing special here, which | |
385 | * causes ' ' to be encoded as '=20', avoiding this problem. | |
386 | */ | |
a1f6baa5 | 387 | |
6cd3c053 KS |
388 | if (line_len + encoded_len + 2 > max_encoded_length) { |
389 | /* It won't fit with trailing "?=" --- break the line */ | |
a1f6baa5 JK |
390 | strbuf_addf(sb, "?=\n =?%s?q?", encoding); |
391 | line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ | |
392 | } | |
393 | ||
6cd3c053 KS |
394 | for (i = 0; i < chrlen; i++) |
395 | strbuf_addf(sb, encoded_fmt, p[i]); | |
396 | line_len += encoded_len; | |
93fc05eb | 397 | } |
93fc05eb JS |
398 | strbuf_addstr(sb, "?="); |
399 | } | |
400 | ||
d1053246 JK |
401 | const char *show_ident_date(const struct ident_split *ident, |
402 | enum date_mode mode) | |
9dbe7c3d RS |
403 | { |
404 | unsigned long date = 0; | |
3f419d45 | 405 | long tz = 0; |
9dbe7c3d RS |
406 | |
407 | if (ident->date_begin && ident->date_end) | |
408 | date = strtoul(ident->date_begin, NULL, 10); | |
1dca155f JK |
409 | if (date_overflows(date)) |
410 | date = 0; | |
411 | else { | |
412 | if (ident->tz_begin && ident->tz_end) | |
413 | tz = strtol(ident->tz_begin, NULL, 10); | |
3f419d45 | 414 | if (tz >= INT_MAX || tz <= INT_MIN) |
1dca155f JK |
415 | tz = 0; |
416 | } | |
9dbe7c3d RS |
417 | return show_date(date, tz, mode); |
418 | } | |
419 | ||
10f2fbff | 420 | void pp_user_info(struct pretty_print_context *pp, |
6bf13944 JK |
421 | const char *what, struct strbuf *sb, |
422 | const char *line, const char *encoding) | |
93fc05eb | 423 | { |
3c020bd5 | 424 | struct ident_split ident; |
9dbe7c3d | 425 | char *line_end; |
dffd325f AP |
426 | const char *mailbuf, *namebuf; |
427 | size_t namelen, maillen; | |
41dd00ba | 428 | int max_length = 78; /* per rfc2822 */ |
93fc05eb | 429 | |
6bf13944 | 430 | if (pp->fmt == CMIT_FMT_ONELINE) |
93fc05eb | 431 | return; |
3c020bd5 | 432 | |
30e77bcb RS |
433 | line_end = strchrnul(line, '\n'); |
434 | if (split_ident_line(&ident, line, line_end - line)) | |
93fc05eb | 435 | return; |
3c020bd5 | 436 | |
dffd325f AP |
437 | mailbuf = ident.mail_begin; |
438 | maillen = ident.mail_end - ident.mail_begin; | |
439 | namebuf = ident.name_begin; | |
440 | namelen = ident.name_end - ident.name_begin; | |
441 | ||
442 | if (pp->mailmap) | |
443 | map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); | |
444 | ||
6bf13944 | 445 | if (pp->fmt == CMIT_FMT_EMAIL) { |
662cc30c | 446 | if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { |
a9080475 JK |
447 | struct strbuf buf = STRBUF_INIT; |
448 | ||
449 | strbuf_addstr(&buf, "From: "); | |
450 | strbuf_add(&buf, namebuf, namelen); | |
451 | strbuf_addstr(&buf, " <"); | |
452 | strbuf_add(&buf, mailbuf, maillen); | |
453 | strbuf_addstr(&buf, ">\n"); | |
454 | string_list_append(&pp->in_body_headers, | |
455 | strbuf_detach(&buf, NULL)); | |
456 | ||
457 | mailbuf = pp->from_ident->mail_begin; | |
458 | maillen = pp->from_ident->mail_end - mailbuf; | |
459 | namebuf = pp->from_ident->name_begin; | |
460 | namelen = pp->from_ident->name_end - namebuf; | |
461 | } | |
462 | ||
93fc05eb | 463 | strbuf_addstr(sb, "From: "); |
a0511b39 RS |
464 | if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) { |
465 | add_rfc2047(sb, namebuf, namelen, | |
dffd325f | 466 | encoding, RFC2047_ADDRESS); |
41dd00ba | 467 | max_length = 76; /* per rfc2047 */ |
a0511b39 | 468 | } else if (needs_rfc822_quoting(namebuf, namelen)) { |
4d03c18a | 469 | struct strbuf quoted = STRBUF_INIT; |
a0511b39 | 470 | add_rfc822_quoted("ed, namebuf, namelen); |
41dd00ba JS |
471 | strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, |
472 | -6, 1, max_length); | |
4d03c18a | 473 | strbuf_release("ed); |
41dd00ba | 474 | } else { |
a0511b39 | 475 | strbuf_add_wrapped_bytes(sb, namebuf, namelen, |
dffd325f | 476 | -6, 1, max_length); |
4d03c18a | 477 | } |
dffd325f | 478 | |
97a17e77 RS |
479 | if (max_length < |
480 | last_line_length(sb) + strlen(" <") + maillen + strlen(">")) | |
481 | strbuf_addch(sb, '\n'); | |
a0511b39 | 482 | strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); |
93fc05eb | 483 | } else { |
a0511b39 RS |
484 | strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, |
485 | (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", | |
486 | (int)namelen, namebuf, (int)maillen, mailbuf); | |
93fc05eb | 487 | } |
dffd325f | 488 | |
6bf13944 | 489 | switch (pp->fmt) { |
93fc05eb | 490 | case CMIT_FMT_MEDIUM: |
9dbe7c3d RS |
491 | strbuf_addf(sb, "Date: %s\n", |
492 | show_ident_date(&ident, pp->date_mode)); | |
93fc05eb JS |
493 | break; |
494 | case CMIT_FMT_EMAIL: | |
9dbe7c3d RS |
495 | strbuf_addf(sb, "Date: %s\n", |
496 | show_ident_date(&ident, DATE_RFC2822)); | |
93fc05eb JS |
497 | break; |
498 | case CMIT_FMT_FULLER: | |
9dbe7c3d RS |
499 | strbuf_addf(sb, "%sDate: %s\n", what, |
500 | show_ident_date(&ident, pp->date_mode)); | |
93fc05eb JS |
501 | break; |
502 | default: | |
503 | /* notin' */ | |
504 | break; | |
505 | } | |
506 | } | |
507 | ||
508 | static int is_empty_line(const char *line, int *len_p) | |
509 | { | |
510 | int len = *len_p; | |
35b2fa5b | 511 | while (len && isspace(line[len - 1])) |
93fc05eb JS |
512 | len--; |
513 | *len_p = len; | |
514 | return !len; | |
515 | } | |
516 | ||
a0109668 RS |
517 | static const char *skip_empty_lines(const char *msg) |
518 | { | |
519 | for (;;) { | |
520 | int linelen = get_one_line(msg); | |
521 | int ll = linelen; | |
522 | if (!linelen) | |
523 | break; | |
524 | if (!is_empty_line(msg, &ll)) | |
525 | break; | |
526 | msg += linelen; | |
527 | } | |
528 | return msg; | |
529 | } | |
530 | ||
6bf13944 JK |
531 | static void add_merge_info(const struct pretty_print_context *pp, |
532 | struct strbuf *sb, const struct commit *commit) | |
93fc05eb JS |
533 | { |
534 | struct commit_list *parent = commit->parents; | |
535 | ||
6bf13944 | 536 | if ((pp->fmt == CMIT_FMT_ONELINE) || (pp->fmt == CMIT_FMT_EMAIL) || |
93fc05eb JS |
537 | !parent || !parent->next) |
538 | return; | |
539 | ||
540 | strbuf_addstr(sb, "Merge:"); | |
541 | ||
542 | while (parent) { | |
543 | struct commit *p = parent->item; | |
544 | const char *hex = NULL; | |
6bf13944 JK |
545 | if (pp->abbrev) |
546 | hex = find_unique_abbrev(p->object.sha1, pp->abbrev); | |
93fc05eb JS |
547 | if (!hex) |
548 | hex = sha1_to_hex(p->object.sha1); | |
93fc05eb JS |
549 | parent = parent->next; |
550 | ||
7fcda920 | 551 | strbuf_addf(sb, " %s", hex); |
93fc05eb JS |
552 | } |
553 | strbuf_addch(sb, '\n'); | |
554 | } | |
555 | ||
fe6eb7f2 | 556 | static char *get_header(const char *msg, const char *key) |
93fc05eb | 557 | { |
fe6eb7f2 JK |
558 | size_t len; |
559 | const char *v = find_commit_header(msg, key, &len); | |
560 | return v ? xmemdupz(v, len) : NULL; | |
93fc05eb JS |
561 | } |
562 | ||
563 | static char *replace_encoding_header(char *buf, const char *encoding) | |
564 | { | |
f285a2d7 | 565 | struct strbuf tmp = STRBUF_INIT; |
93fc05eb JS |
566 | size_t start, len; |
567 | char *cp = buf; | |
568 | ||
569 | /* guess if there is an encoding header before a \n\n */ | |
68d6d6eb | 570 | while (!starts_with(cp, "encoding ")) { |
93fc05eb JS |
571 | cp = strchr(cp, '\n'); |
572 | if (!cp || *++cp == '\n') | |
573 | return buf; | |
574 | } | |
575 | start = cp - buf; | |
576 | cp = strchr(cp, '\n'); | |
577 | if (!cp) | |
578 | return buf; /* should not happen but be defensive */ | |
579 | len = cp + 1 - (buf + start); | |
580 | ||
93fc05eb JS |
581 | strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); |
582 | if (is_encoding_utf8(encoding)) { | |
583 | /* we have re-coded to UTF-8; drop the header */ | |
584 | strbuf_remove(&tmp, start, len); | |
585 | } else { | |
586 | /* just replaces XXXX in 'encoding XXXX\n' */ | |
587 | strbuf_splice(&tmp, start + strlen("encoding "), | |
588 | len - strlen("encoding \n"), | |
589 | encoding, strlen(encoding)); | |
590 | } | |
591 | return strbuf_detach(&tmp, NULL); | |
592 | } | |
593 | ||
b000c59b JK |
594 | const char *logmsg_reencode(const struct commit *commit, |
595 | char **commit_encoding, | |
596 | const char *output_encoding) | |
93fc05eb | 597 | { |
330db18c | 598 | static const char *utf8 = "UTF-8"; |
93fc05eb JS |
599 | const char *use_encoding; |
600 | char *encoding; | |
8597ea3a | 601 | const char *msg = get_commit_buffer(commit, NULL); |
93fc05eb JS |
602 | char *out; |
603 | ||
5a10d236 NTND |
604 | if (!output_encoding || !*output_encoding) { |
605 | if (commit_encoding) | |
fe6eb7f2 | 606 | *commit_encoding = get_header(msg, "encoding"); |
dd0d388c | 607 | return msg; |
5a10d236 | 608 | } |
fe6eb7f2 | 609 | encoding = get_header(msg, "encoding"); |
5a10d236 NTND |
610 | if (commit_encoding) |
611 | *commit_encoding = encoding; | |
93fc05eb | 612 | use_encoding = encoding ? encoding : utf8; |
be5c9fb9 JK |
613 | if (same_encoding(use_encoding, output_encoding)) { |
614 | /* | |
615 | * No encoding work to be done. If we have no encoding header | |
616 | * at all, then there's nothing to do, and we can return the | |
617 | * message verbatim (whether newly allocated or not). | |
618 | */ | |
619 | if (!encoding) | |
620 | return msg; | |
621 | ||
622 | /* | |
623 | * Otherwise, we still want to munge the encoding header in the | |
624 | * result, which will be done by modifying the buffer. If we | |
625 | * are using a fresh copy, we can reuse it. But if we are using | |
b66103c3 JK |
626 | * the cached copy from get_commit_buffer, we need to duplicate it |
627 | * to avoid munging the cached copy. | |
be5c9fb9 | 628 | */ |
8597ea3a | 629 | if (msg == get_cached_commit_buffer(commit, NULL)) |
b66103c3 JK |
630 | out = xstrdup(msg); |
631 | else | |
632 | out = (char *)msg; | |
be5c9fb9 JK |
633 | } |
634 | else { | |
635 | /* | |
636 | * There's actual encoding work to do. Do the reencoding, which | |
637 | * still leaves the header to be replaced in the next step. At | |
638 | * this point, we are done with msg. If we allocated a fresh | |
639 | * copy, we can free it. | |
640 | */ | |
641 | out = reencode_string(msg, output_encoding, use_encoding); | |
b66103c3 JK |
642 | if (out) |
643 | unuse_commit_buffer(commit, msg); | |
be5c9fb9 JK |
644 | } |
645 | ||
646 | /* | |
647 | * This replacement actually consumes the buffer we hand it, so we do | |
648 | * not have to worry about freeing the old "out" here. | |
649 | */ | |
93fc05eb JS |
650 | if (out) |
651 | out = replace_encoding_header(out, output_encoding); | |
652 | ||
5a10d236 NTND |
653 | if (!commit_encoding) |
654 | free(encoding); | |
dd0d388c JK |
655 | /* |
656 | * If the re-encoding failed, out might be NULL here; in that | |
657 | * case we just return the commit message verbatim. | |
658 | */ | |
659 | return out ? out : msg; | |
660 | } | |
661 | ||
ea02ffa3 AP |
662 | static int mailmap_name(const char **email, size_t *email_len, |
663 | const char **name, size_t *name_len) | |
e0cbc397 | 664 | { |
c455c87c | 665 | static struct string_list *mail_map; |
e0cbc397 JS |
666 | if (!mail_map) { |
667 | mail_map = xcalloc(1, sizeof(*mail_map)); | |
d551a488 | 668 | read_mailmap(mail_map, NULL); |
e0cbc397 | 669 | } |
d20d654f | 670 | return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); |
e0cbc397 JS |
671 | } |
672 | ||
c3a670de | 673 | static size_t format_person_part(struct strbuf *sb, char part, |
d36f8679 | 674 | const char *msg, int len, enum date_mode dmode) |
93fc05eb | 675 | { |
c3a670de MC |
676 | /* currently all placeholders have same length */ |
677 | const int placeholder_len = 2; | |
4b340cfa | 678 | struct ident_split s; |
ea02ffa3 AP |
679 | const char *name, *mail; |
680 | size_t maillen, namelen; | |
93fc05eb | 681 | |
4b340cfa | 682 | if (split_ident_line(&s, msg, len) < 0) |
c3a670de MC |
683 | goto skip; |
684 | ||
ea02ffa3 AP |
685 | name = s.name_begin; |
686 | namelen = s.name_end - s.name_begin; | |
687 | mail = s.mail_begin; | |
688 | maillen = s.mail_end - s.mail_begin; | |
689 | ||
690 | if (part == 'N' || part == 'E') /* mailmap lookup */ | |
691 | mailmap_name(&mail, &maillen, &name, &namelen); | |
e0cbc397 | 692 | if (part == 'n' || part == 'N') { /* name */ |
ea02ffa3 | 693 | strbuf_add(sb, name, namelen); |
c3a670de | 694 | return placeholder_len; |
cde75e59 | 695 | } |
d20d654f | 696 | if (part == 'e' || part == 'E') { /* email */ |
ea02ffa3 | 697 | strbuf_add(sb, mail, maillen); |
c3a670de | 698 | return placeholder_len; |
cde75e59 | 699 | } |
93fc05eb | 700 | |
4b340cfa | 701 | if (!s.date_begin) |
c3a670de | 702 | goto skip; |
93fc05eb | 703 | |
cde75e59 | 704 | if (part == 't') { /* date, UNIX timestamp */ |
4b340cfa | 705 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
c3a670de | 706 | return placeholder_len; |
cde75e59 | 707 | } |
93fc05eb | 708 | |
cde75e59 RS |
709 | switch (part) { |
710 | case 'd': /* date */ | |
9dbe7c3d | 711 | strbuf_addstr(sb, show_ident_date(&s, dmode)); |
c3a670de | 712 | return placeholder_len; |
cde75e59 | 713 | case 'D': /* date, RFC2822 style */ |
9dbe7c3d | 714 | strbuf_addstr(sb, show_ident_date(&s, DATE_RFC2822)); |
c3a670de | 715 | return placeholder_len; |
cde75e59 | 716 | case 'r': /* date, relative */ |
9dbe7c3d | 717 | strbuf_addstr(sb, show_ident_date(&s, DATE_RELATIVE)); |
c3a670de | 718 | return placeholder_len; |
466fb674 | 719 | case 'i': /* date, ISO 8601-like */ |
9dbe7c3d | 720 | strbuf_addstr(sb, show_ident_date(&s, DATE_ISO8601)); |
c3a670de | 721 | return placeholder_len; |
466fb674 BB |
722 | case 'I': /* date, ISO 8601 strict */ |
723 | strbuf_addstr(sb, show_ident_date(&s, DATE_ISO8601_STRICT)); | |
724 | return placeholder_len; | |
cde75e59 | 725 | } |
c3a670de MC |
726 | |
727 | skip: | |
728 | /* | |
4b340cfa JH |
729 | * reading from either a bogus commit, or a reflog entry with |
730 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
731 | * to compute a valid return value. | |
c3a670de MC |
732 | */ |
733 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
734 | || part == 'D' || part == 'r' || part == 'i') | |
735 | return placeholder_len; | |
736 | ||
737 | return 0; /* unknown placeholder */ | |
93fc05eb JS |
738 | } |
739 | ||
f29d5958 RS |
740 | struct chunk { |
741 | size_t off; | |
742 | size_t len; | |
743 | }; | |
744 | ||
a5752342 NTND |
745 | enum flush_type { |
746 | no_flush, | |
747 | flush_right, | |
748 | flush_left, | |
1640632b | 749 | flush_left_and_steal, |
a5752342 NTND |
750 | flush_both |
751 | }; | |
752 | ||
a7f01c6b NTND |
753 | enum trunc_type { |
754 | trunc_none, | |
755 | trunc_left, | |
756 | trunc_middle, | |
757 | trunc_right | |
758 | }; | |
759 | ||
f29d5958 RS |
760 | struct format_commit_context { |
761 | const struct commit *commit; | |
dd2e794a | 762 | const struct pretty_print_context *pretty_ctx; |
f53bd743 RS |
763 | unsigned commit_header_parsed:1; |
764 | unsigned commit_message_parsed:1; | |
ffb6d7d5 | 765 | struct signature_check signature_check; |
a5752342 | 766 | enum flush_type flush_type; |
a7f01c6b | 767 | enum trunc_type truncate; |
b000c59b | 768 | const char *message; |
0940a76d | 769 | char *commit_encoding; |
02edd56b | 770 | size_t width, indent1, indent2; |
a95f067e | 771 | int auto_color; |
a5752342 | 772 | int padding; |
f29d5958 RS |
773 | |
774 | /* These offsets are relative to the start of the commit message. */ | |
f29d5958 RS |
775 | struct chunk author; |
776 | struct chunk committer; | |
f53bd743 RS |
777 | size_t message_off; |
778 | size_t subject_off; | |
f29d5958 | 779 | size_t body_off; |
b9c62321 RS |
780 | |
781 | /* The following ones are relative to the result struct strbuf. */ | |
782 | struct chunk abbrev_commit_hash; | |
783 | struct chunk abbrev_tree_hash; | |
784 | struct chunk abbrev_parent_hashes; | |
02edd56b | 785 | size_t wrap_start; |
f29d5958 RS |
786 | }; |
787 | ||
b9c62321 RS |
788 | static int add_again(struct strbuf *sb, struct chunk *chunk) |
789 | { | |
790 | if (chunk->len) { | |
791 | strbuf_adddup(sb, chunk->off, chunk->len); | |
792 | return 1; | |
793 | } | |
794 | ||
795 | /* | |
796 | * We haven't seen this chunk before. Our caller is surely | |
797 | * going to add it the hard way now. Remember the most likely | |
798 | * start of the to-be-added chunk: the current end of the | |
799 | * struct strbuf. | |
800 | */ | |
801 | chunk->off = sb->len; | |
802 | return 0; | |
803 | } | |
804 | ||
f29d5958 | 805 | static void parse_commit_header(struct format_commit_context *context) |
93fc05eb | 806 | { |
177b29dc | 807 | const char *msg = context->message; |
93fc05eb | 808 | int i; |
f29d5958 | 809 | |
f53bd743 | 810 | for (i = 0; msg[i]; i++) { |
e3f1da98 | 811 | const char *name; |
f29d5958 RS |
812 | int eol; |
813 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
814 | ; /* do nothing */ | |
815 | ||
f29d5958 | 816 | if (i == eol) { |
f53bd743 | 817 | break; |
e3f1da98 RS |
818 | } else if (skip_prefix(msg + i, "author ", &name)) { |
819 | context->author.off = name - msg; | |
820 | context->author.len = msg + eol - name; | |
821 | } else if (skip_prefix(msg + i, "committer ", &name)) { | |
822 | context->committer.off = name - msg; | |
823 | context->committer.len = msg + eol - name; | |
f29d5958 RS |
824 | } |
825 | i = eol; | |
826 | } | |
f53bd743 | 827 | context->message_off = i; |
f29d5958 RS |
828 | context->commit_header_parsed = 1; |
829 | } | |
830 | ||
46d164b0 SB |
831 | static int istitlechar(char c) |
832 | { | |
833 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
834 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
835 | } | |
836 | ||
837 | static void format_sanitized_subject(struct strbuf *sb, const char *msg) | |
838 | { | |
839 | size_t trimlen; | |
871d21d4 | 840 | size_t start_len = sb->len; |
46d164b0 SB |
841 | int space = 2; |
842 | ||
843 | for (; *msg && *msg != '\n'; msg++) { | |
844 | if (istitlechar(*msg)) { | |
845 | if (space == 1) | |
846 | strbuf_addch(sb, '-'); | |
847 | space = 0; | |
848 | strbuf_addch(sb, *msg); | |
849 | if (*msg == '.') | |
850 | while (*(msg+1) == '.') | |
851 | msg++; | |
852 | } else | |
853 | space |= 1; | |
854 | } | |
855 | ||
856 | /* trim any trailing '.' or '-' characters */ | |
857 | trimlen = 0; | |
871d21d4 SB |
858 | while (sb->len - trimlen > start_len && |
859 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
860 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
46d164b0 SB |
861 | trimlen++; |
862 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
863 | } | |
864 | ||
cec08717 RS |
865 | const char *format_subject(struct strbuf *sb, const char *msg, |
866 | const char *line_separator) | |
88c44735 RS |
867 | { |
868 | int first = 1; | |
869 | ||
870 | for (;;) { | |
871 | const char *line = msg; | |
872 | int linelen = get_one_line(line); | |
873 | ||
874 | msg += linelen; | |
875 | if (!linelen || is_empty_line(line, &linelen)) | |
876 | break; | |
877 | ||
f53bd743 RS |
878 | if (!sb) |
879 | continue; | |
88c44735 RS |
880 | strbuf_grow(sb, linelen + 2); |
881 | if (!first) | |
882 | strbuf_addstr(sb, line_separator); | |
883 | strbuf_add(sb, line, linelen); | |
884 | first = 0; | |
885 | } | |
886 | return msg; | |
887 | } | |
888 | ||
f53bd743 RS |
889 | static void parse_commit_message(struct format_commit_context *c) |
890 | { | |
177b29dc PN |
891 | const char *msg = c->message + c->message_off; |
892 | const char *start = c->message; | |
f53bd743 RS |
893 | |
894 | msg = skip_empty_lines(msg); | |
895 | c->subject_off = msg - start; | |
896 | ||
897 | msg = format_subject(NULL, msg, NULL); | |
898 | msg = skip_empty_lines(msg); | |
899 | c->body_off = msg - start; | |
900 | ||
901 | c->commit_message_parsed = 1; | |
902 | } | |
903 | ||
02edd56b RS |
904 | static void strbuf_wrap(struct strbuf *sb, size_t pos, |
905 | size_t width, size_t indent1, size_t indent2) | |
906 | { | |
907 | struct strbuf tmp = STRBUF_INIT; | |
908 | ||
909 | if (pos) | |
910 | strbuf_add(&tmp, sb->buf, pos); | |
911 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
912 | (int) indent1, (int) indent2, (int) width); | |
913 | strbuf_swap(&tmp, sb); | |
914 | strbuf_release(&tmp); | |
915 | } | |
916 | ||
917 | static void rewrap_message_tail(struct strbuf *sb, | |
918 | struct format_commit_context *c, | |
919 | size_t new_width, size_t new_indent1, | |
920 | size_t new_indent2) | |
921 | { | |
922 | if (c->width == new_width && c->indent1 == new_indent1 && | |
923 | c->indent2 == new_indent2) | |
924 | return; | |
32ca4249 | 925 | if (c->wrap_start < sb->len) |
02edd56b RS |
926 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
927 | c->wrap_start = sb->len; | |
928 | c->width = new_width; | |
929 | c->indent1 = new_indent1; | |
930 | c->indent2 = new_indent2; | |
931 | } | |
932 | ||
cd1957f5 JK |
933 | static int format_reflog_person(struct strbuf *sb, |
934 | char part, | |
935 | struct reflog_walk_info *log, | |
936 | enum date_mode dmode) | |
937 | { | |
938 | const char *ident; | |
939 | ||
940 | if (!log) | |
941 | return 2; | |
942 | ||
943 | ident = get_reflog_ident(log); | |
944 | if (!ident) | |
945 | return 2; | |
946 | ||
947 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
948 | } | |
949 | ||
fcabc2d9 NTND |
950 | static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ |
951 | const char *placeholder, | |
952 | struct format_commit_context *c) | |
953 | { | |
e3f1da98 RS |
954 | const char *rest = placeholder; |
955 | ||
fcabc2d9 NTND |
956 | if (placeholder[1] == '(') { |
957 | const char *begin = placeholder + 2; | |
958 | const char *end = strchr(begin, ')'); | |
959 | char color[COLOR_MAXLEN]; | |
960 | ||
961 | if (!end) | |
962 | return 0; | |
e3f1da98 | 963 | if (skip_prefix(begin, "auto,", &begin)) { |
fcabc2d9 NTND |
964 | if (!want_color(c->pretty_ctx->color)) |
965 | return end - placeholder + 1; | |
fcabc2d9 | 966 | } |
f6c5a296 JK |
967 | if (color_parse_mem(begin, end - begin, color) < 0) |
968 | die(_("unable to parse --pretty format")); | |
fcabc2d9 NTND |
969 | strbuf_addstr(sb, color); |
970 | return end - placeholder + 1; | |
971 | } | |
e3f1da98 | 972 | if (skip_prefix(placeholder + 1, "red", &rest)) |
fcabc2d9 | 973 | strbuf_addstr(sb, GIT_COLOR_RED); |
e3f1da98 | 974 | else if (skip_prefix(placeholder + 1, "green", &rest)) |
fcabc2d9 | 975 | strbuf_addstr(sb, GIT_COLOR_GREEN); |
e3f1da98 | 976 | else if (skip_prefix(placeholder + 1, "blue", &rest)) |
fcabc2d9 | 977 | strbuf_addstr(sb, GIT_COLOR_BLUE); |
e3f1da98 | 978 | else if (skip_prefix(placeholder + 1, "reset", &rest)) |
fcabc2d9 | 979 | strbuf_addstr(sb, GIT_COLOR_RESET); |
e3f1da98 | 980 | return rest - placeholder; |
fcabc2d9 NTND |
981 | } |
982 | ||
a5752342 NTND |
983 | static size_t parse_padding_placeholder(struct strbuf *sb, |
984 | const char *placeholder, | |
985 | struct format_commit_context *c) | |
986 | { | |
987 | const char *ch = placeholder; | |
988 | enum flush_type flush_type; | |
989 | int to_column = 0; | |
990 | ||
991 | switch (*ch++) { | |
992 | case '<': | |
993 | flush_type = flush_right; | |
994 | break; | |
995 | case '>': | |
996 | if (*ch == '<') { | |
997 | flush_type = flush_both; | |
998 | ch++; | |
1640632b NTND |
999 | } else if (*ch == '>') { |
1000 | flush_type = flush_left_and_steal; | |
1001 | ch++; | |
a5752342 NTND |
1002 | } else |
1003 | flush_type = flush_left; | |
1004 | break; | |
1005 | default: | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | /* the next value means "wide enough to that column" */ | |
1010 | if (*ch == '|') { | |
1011 | to_column = 1; | |
1012 | ch++; | |
1013 | } | |
1014 | ||
1015 | if (*ch == '(') { | |
1016 | const char *start = ch + 1; | |
a7f01c6b | 1017 | const char *end = start + strcspn(start, ",)"); |
a5752342 NTND |
1018 | char *next; |
1019 | int width; | |
1020 | if (!end || end == start) | |
1021 | return 0; | |
1022 | width = strtoul(start, &next, 10); | |
1023 | if (next == start || width == 0) | |
1024 | return 0; | |
1025 | c->padding = to_column ? -width : width; | |
1026 | c->flush_type = flush_type; | |
a7f01c6b NTND |
1027 | |
1028 | if (*end == ',') { | |
1029 | start = end + 1; | |
1030 | end = strchr(start, ')'); | |
1031 | if (!end || end == start) | |
1032 | return 0; | |
59556548 | 1033 | if (starts_with(start, "trunc)")) |
a7f01c6b | 1034 | c->truncate = trunc_right; |
59556548 | 1035 | else if (starts_with(start, "ltrunc)")) |
a7f01c6b | 1036 | c->truncate = trunc_left; |
59556548 | 1037 | else if (starts_with(start, "mtrunc)")) |
a7f01c6b NTND |
1038 | c->truncate = trunc_middle; |
1039 | else | |
1040 | return 0; | |
1041 | } else | |
1042 | c->truncate = trunc_none; | |
1043 | ||
a5752342 NTND |
1044 | return end - placeholder + 1; |
1045 | } | |
1046 | return 0; | |
1047 | } | |
1048 | ||
7e77df39 NTND |
1049 | static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ |
1050 | const char *placeholder, | |
9fa708da | 1051 | void *context) |
f29d5958 RS |
1052 | { |
1053 | struct format_commit_context *c = context; | |
1054 | const struct commit *commit = c->commit; | |
177b29dc | 1055 | const char *msg = c->message; |
f29d5958 | 1056 | struct commit_list *p; |
42c8c74c | 1057 | int h1, h2; |
93fc05eb | 1058 | |
93fc05eb | 1059 | /* these are independent of the commit */ |
cde75e59 RS |
1060 | switch (placeholder[0]) { |
1061 | case 'C': | |
59556548 | 1062 | if (starts_with(placeholder + 1, "(auto)")) { |
a95f067e NTND |
1063 | c->auto_color = 1; |
1064 | return 7; /* consumed 7 bytes, "C(auto)" */ | |
1065 | } else { | |
1066 | int ret = parse_color(sb, placeholder, c); | |
1067 | if (ret) | |
1068 | c->auto_color = 0; | |
1069 | /* | |
1070 | * Otherwise, we decided to treat %C<unknown> | |
1071 | * as a literal string, and the previous | |
1072 | * %C(auto) is still valid. | |
1073 | */ | |
1074 | return ret; | |
c002922a | 1075 | } |
cde75e59 RS |
1076 | case 'n': /* newline */ |
1077 | strbuf_addch(sb, '\n'); | |
c3a670de | 1078 | return 1; |
42c8c74c GS |
1079 | case 'x': |
1080 | /* %x00 == NUL, %x0a == LF, etc. */ | |
1081 | if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) && | |
1082 | h1 <= 16 && | |
1083 | 0 <= (h2 = hexval_table[0xff & placeholder[2]]) && | |
1084 | h2 <= 16) { | |
1085 | strbuf_addch(sb, (h1<<4)|h2); | |
1086 | return 3; | |
1087 | } else | |
1088 | return 0; | |
02edd56b RS |
1089 | case 'w': |
1090 | if (placeholder[1] == '(') { | |
1091 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
1092 | char *next; | |
1093 | const char *start = placeholder + 2; | |
1094 | const char *end = strchr(start, ')'); | |
1095 | if (!end) | |
1096 | return 0; | |
1097 | if (end > start) { | |
1098 | width = strtoul(start, &next, 10); | |
1099 | if (*next == ',') { | |
1100 | indent1 = strtoul(next + 1, &next, 10); | |
1101 | if (*next == ',') { | |
1102 | indent2 = strtoul(next + 1, | |
1103 | &next, 10); | |
1104 | } | |
1105 | } | |
1106 | if (*next != ')') | |
1107 | return 0; | |
1108 | } | |
1109 | rewrap_message_tail(sb, c, width, indent1, indent2); | |
1110 | return end - placeholder + 1; | |
1111 | } else | |
1112 | return 0; | |
a5752342 NTND |
1113 | |
1114 | case '<': | |
1115 | case '>': | |
1116 | return parse_padding_placeholder(sb, placeholder, c); | |
cde75e59 | 1117 | } |
93fc05eb JS |
1118 | |
1119 | /* these depend on the commit */ | |
1120 | if (!commit->object.parsed) | |
1121 | parse_object(commit->object.sha1); | |
93fc05eb | 1122 | |
cde75e59 RS |
1123 | switch (placeholder[0]) { |
1124 | case 'H': /* commit hash */ | |
a95f067e | 1125 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
cde75e59 | 1126 | strbuf_addstr(sb, sha1_to_hex(commit->object.sha1)); |
a95f067e | 1127 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1128 | return 1; |
cde75e59 | 1129 | case 'h': /* abbreviated commit hash */ |
a95f067e NTND |
1130 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
1131 | if (add_again(sb, &c->abbrev_commit_hash)) { | |
1132 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); | |
c3a670de | 1133 | return 1; |
a95f067e | 1134 | } |
cde75e59 | 1135 | strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1, |
c1977021 | 1136 | c->pretty_ctx->abbrev)); |
a95f067e | 1137 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
b9c62321 | 1138 | c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off; |
c3a670de | 1139 | return 1; |
cde75e59 RS |
1140 | case 'T': /* tree hash */ |
1141 | strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1)); | |
c3a670de | 1142 | return 1; |
cde75e59 | 1143 | case 't': /* abbreviated tree hash */ |
b9c62321 | 1144 | if (add_again(sb, &c->abbrev_tree_hash)) |
c3a670de | 1145 | return 1; |
cde75e59 | 1146 | strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1, |
c1977021 | 1147 | c->pretty_ctx->abbrev)); |
b9c62321 | 1148 | c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off; |
c3a670de | 1149 | return 1; |
cde75e59 RS |
1150 | case 'P': /* parent hashes */ |
1151 | for (p = commit->parents; p; p = p->next) { | |
1152 | if (p != commit->parents) | |
1153 | strbuf_addch(sb, ' '); | |
1154 | strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1)); | |
1155 | } | |
c3a670de | 1156 | return 1; |
cde75e59 | 1157 | case 'p': /* abbreviated parent hashes */ |
b9c62321 | 1158 | if (add_again(sb, &c->abbrev_parent_hashes)) |
c3a670de | 1159 | return 1; |
cde75e59 RS |
1160 | for (p = commit->parents; p; p = p->next) { |
1161 | if (p != commit->parents) | |
1162 | strbuf_addch(sb, ' '); | |
1163 | strbuf_addstr(sb, find_unique_abbrev( | |
c1977021 WP |
1164 | p->item->object.sha1, |
1165 | c->pretty_ctx->abbrev)); | |
cde75e59 | 1166 | } |
b9c62321 RS |
1167 | c->abbrev_parent_hashes.len = sb->len - |
1168 | c->abbrev_parent_hashes.off; | |
c3a670de | 1169 | return 1; |
cde75e59 | 1170 | case 'm': /* left/right/bottom */ |
1df2d656 | 1171 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
c3a670de | 1172 | return 1; |
3b3d443f | 1173 | case 'd': |
9d3f002f | 1174 | load_ref_decorations(DECORATE_SHORT_REFS); |
a95f067e | 1175 | format_decorations(sb, commit, c->auto_color); |
3b3d443f | 1176 | return 1; |
9271095c HJ |
1177 | case 'D': |
1178 | load_ref_decorations(DECORATE_SHORT_REFS); | |
1179 | format_decorations_extended(sb, commit, c->auto_color, "", ", ", ""); | |
1180 | return 1; | |
8f8f5476 TR |
1181 | case 'g': /* reflog info */ |
1182 | switch(placeholder[1]) { | |
1183 | case 'd': /* reflog selector */ | |
1184 | case 'D': | |
1185 | if (c->pretty_ctx->reflog_info) | |
1186 | get_reflog_selector(sb, | |
1187 | c->pretty_ctx->reflog_info, | |
1188 | c->pretty_ctx->date_mode, | |
55ccf85a | 1189 | c->pretty_ctx->date_mode_explicit, |
8f8f5476 TR |
1190 | (placeholder[1] == 'd')); |
1191 | return 2; | |
1192 | case 's': /* reflog message */ | |
1193 | if (c->pretty_ctx->reflog_info) | |
1194 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1195 | return 2; | |
cd1957f5 JK |
1196 | case 'n': |
1197 | case 'N': | |
1198 | case 'e': | |
1199 | case 'E': | |
1200 | return format_reflog_person(sb, | |
1201 | placeholder[1], | |
1202 | c->pretty_ctx->reflog_info, | |
1203 | c->pretty_ctx->date_mode); | |
8f8f5476 TR |
1204 | } |
1205 | return 0; /* unknown %g placeholder */ | |
8b208f02 | 1206 | case 'N': |
ddf333f6 JH |
1207 | if (c->pretty_ctx->notes_message) { |
1208 | strbuf_addstr(sb, c->pretty_ctx->notes_message); | |
5b163603 JG |
1209 | return 1; |
1210 | } | |
1211 | return 0; | |
cde75e59 RS |
1212 | } |
1213 | ||
f6667c5e | 1214 | if (placeholder[0] == 'G') { |
ffb6d7d5 SG |
1215 | if (!c->signature_check.result) |
1216 | check_commit_signature(c->commit, &(c->signature_check)); | |
f6667c5e JH |
1217 | switch (placeholder[1]) { |
1218 | case 'G': | |
ffb6d7d5 SG |
1219 | if (c->signature_check.gpg_output) |
1220 | strbuf_addstr(sb, c->signature_check.gpg_output); | |
f6667c5e JH |
1221 | break; |
1222 | case '?': | |
ffb6d7d5 | 1223 | switch (c->signature_check.result) { |
f6667c5e JH |
1224 | case 'G': |
1225 | case 'B': | |
e290c4b9 SG |
1226 | case 'U': |
1227 | case 'N': | |
ffb6d7d5 | 1228 | strbuf_addch(sb, c->signature_check.result); |
f6667c5e JH |
1229 | } |
1230 | break; | |
1231 | case 'S': | |
ffb6d7d5 SG |
1232 | if (c->signature_check.signer) |
1233 | strbuf_addstr(sb, c->signature_check.signer); | |
f6667c5e | 1234 | break; |
0174eeaa | 1235 | case 'K': |
ffb6d7d5 SG |
1236 | if (c->signature_check.key) |
1237 | strbuf_addstr(sb, c->signature_check.key); | |
0174eeaa | 1238 | break; |
aa4b78d4 JK |
1239 | default: |
1240 | return 0; | |
f6667c5e JH |
1241 | } |
1242 | return 2; | |
1243 | } | |
1244 | ||
1245 | ||
cde75e59 | 1246 | /* For the rest we have to parse the commit header. */ |
f29d5958 RS |
1247 | if (!c->commit_header_parsed) |
1248 | parse_commit_header(c); | |
93fc05eb | 1249 | |
f29d5958 | 1250 | switch (placeholder[0]) { |
c3a670de MC |
1251 | case 'a': /* author ... */ |
1252 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1253 | msg + c->author.off, c->author.len, |
dd2e794a | 1254 | c->pretty_ctx->date_mode); |
c3a670de MC |
1255 | case 'c': /* committer ... */ |
1256 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1257 | msg + c->committer.off, c->committer.len, |
dd2e794a | 1258 | c->pretty_ctx->date_mode); |
c3a670de | 1259 | case 'e': /* encoding */ |
0940a76d NTND |
1260 | if (c->commit_encoding) |
1261 | strbuf_addstr(sb, c->commit_encoding); | |
c3a670de | 1262 | return 1; |
1367b12a EB |
1263 | case 'B': /* raw body */ |
1264 | /* message_off is always left at the initial newline */ | |
1265 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1266 | return 1; | |
f53bd743 RS |
1267 | } |
1268 | ||
1269 | /* Now we need to parse the commit message. */ | |
1270 | if (!c->commit_message_parsed) | |
1271 | parse_commit_message(c); | |
1272 | ||
1273 | switch (placeholder[0]) { | |
1274 | case 's': /* subject */ | |
1275 | format_subject(sb, msg + c->subject_off, " "); | |
1276 | return 1; | |
46d164b0 SB |
1277 | case 'f': /* sanitized subject */ |
1278 | format_sanitized_subject(sb, msg + c->subject_off); | |
1279 | return 1; | |
c3a670de | 1280 | case 'b': /* body */ |
f29d5958 | 1281 | strbuf_addstr(sb, msg + c->body_off); |
c3a670de | 1282 | return 1; |
93fc05eb | 1283 | } |
c3a670de | 1284 | return 0; /* unknown placeholder */ |
cde75e59 RS |
1285 | } |
1286 | ||
a5752342 NTND |
1287 | static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ |
1288 | const char *placeholder, | |
1289 | struct format_commit_context *c) | |
1290 | { | |
1291 | struct strbuf local_sb = STRBUF_INIT; | |
1292 | int total_consumed = 0, len, padding = c->padding; | |
1293 | if (padding < 0) { | |
1294 | const char *start = strrchr(sb->buf, '\n'); | |
1295 | int occupied; | |
1296 | if (!start) | |
1297 | start = sb->buf; | |
1298 | occupied = utf8_strnwidth(start, -1, 1); | |
1299 | padding = (-padding) - occupied; | |
1300 | } | |
1301 | while (1) { | |
1302 | int modifier = *placeholder == 'C'; | |
1303 | int consumed = format_commit_one(&local_sb, placeholder, c); | |
1304 | total_consumed += consumed; | |
1305 | ||
1306 | if (!modifier) | |
1307 | break; | |
1308 | ||
1309 | placeholder += consumed; | |
1310 | if (*placeholder != '%') | |
1311 | break; | |
1312 | placeholder++; | |
1313 | total_consumed++; | |
1314 | } | |
1315 | len = utf8_strnwidth(local_sb.buf, -1, 1); | |
1640632b NTND |
1316 | |
1317 | if (c->flush_type == flush_left_and_steal) { | |
1318 | const char *ch = sb->buf + sb->len - 1; | |
1319 | while (len > padding && ch > sb->buf) { | |
1320 | const char *p; | |
1321 | if (*ch == ' ') { | |
1322 | ch--; | |
1323 | padding++; | |
1324 | continue; | |
1325 | } | |
1326 | /* check for trailing ansi sequences */ | |
1327 | if (*ch != 'm') | |
1328 | break; | |
1329 | p = ch - 1; | |
1330 | while (ch - p < 10 && *p != '\033') | |
1331 | p--; | |
1332 | if (*p != '\033' || | |
1333 | ch + 1 - p != display_mode_esc_sequence_len(p)) | |
1334 | break; | |
1335 | /* | |
1336 | * got a good ansi sequence, put it back to | |
1337 | * local_sb as we're cutting sb | |
1338 | */ | |
1339 | strbuf_insert(&local_sb, 0, p, ch + 1 - p); | |
1340 | ch = p - 1; | |
1341 | } | |
1342 | strbuf_setlen(sb, ch + 1 - sb->buf); | |
1343 | c->flush_type = flush_left; | |
1344 | } | |
1345 | ||
a7f01c6b NTND |
1346 | if (len > padding) { |
1347 | switch (c->truncate) { | |
1348 | case trunc_left: | |
1349 | strbuf_utf8_replace(&local_sb, | |
1350 | 0, len - (padding - 2), | |
1351 | ".."); | |
1352 | break; | |
1353 | case trunc_middle: | |
1354 | strbuf_utf8_replace(&local_sb, | |
1355 | padding / 2 - 1, | |
1356 | len - (padding - 2), | |
1357 | ".."); | |
1358 | break; | |
1359 | case trunc_right: | |
1360 | strbuf_utf8_replace(&local_sb, | |
1361 | padding - 2, len - (padding - 2), | |
1362 | ".."); | |
1363 | break; | |
1364 | case trunc_none: | |
1365 | break; | |
1366 | } | |
e992d1eb | 1367 | strbuf_addbuf(sb, &local_sb); |
a7f01c6b | 1368 | } else { |
a5752342 NTND |
1369 | int sb_len = sb->len, offset = 0; |
1370 | if (c->flush_type == flush_left) | |
1371 | offset = padding - len; | |
1372 | else if (c->flush_type == flush_both) | |
1373 | offset = (padding - len) / 2; | |
1374 | /* | |
1375 | * we calculate padding in columns, now | |
1376 | * convert it back to chars | |
1377 | */ | |
1378 | padding = padding - len + local_sb.len; | |
415792ed | 1379 | strbuf_addchars(sb, ' ', padding); |
a5752342 NTND |
1380 | memcpy(sb->buf + sb_len + offset, local_sb.buf, |
1381 | local_sb.len); | |
1382 | } | |
1383 | strbuf_release(&local_sb); | |
1384 | c->flush_type = no_flush; | |
1385 | return total_consumed; | |
1386 | } | |
1387 | ||
7e77df39 NTND |
1388 | static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ |
1389 | const char *placeholder, | |
9fa708da JH |
1390 | void *context) |
1391 | { | |
1392 | int consumed; | |
1393 | size_t orig_len; | |
1394 | enum { | |
1395 | NO_MAGIC, | |
1396 | ADD_LF_BEFORE_NON_EMPTY, | |
1397 | DEL_LF_BEFORE_EMPTY, | |
223a923c | 1398 | ADD_SP_BEFORE_NON_EMPTY |
9fa708da JH |
1399 | } magic = NO_MAGIC; |
1400 | ||
1401 | switch (placeholder[0]) { | |
1402 | case '-': | |
1403 | magic = DEL_LF_BEFORE_EMPTY; | |
1404 | break; | |
1405 | case '+': | |
1406 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1407 | break; | |
7b88176e MG |
1408 | case ' ': |
1409 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1410 | break; | |
9fa708da JH |
1411 | default: |
1412 | break; | |
1413 | } | |
1414 | if (magic != NO_MAGIC) | |
1415 | placeholder++; | |
1416 | ||
1417 | orig_len = sb->len; | |
a5752342 NTND |
1418 | if (((struct format_commit_context *)context)->flush_type != no_flush) |
1419 | consumed = format_and_pad_commit(sb, placeholder, context); | |
1420 | else | |
1421 | consumed = format_commit_one(sb, placeholder, context); | |
9fa708da JH |
1422 | if (magic == NO_MAGIC) |
1423 | return consumed; | |
1424 | ||
1425 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1426 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1427 | strbuf_setlen(sb, sb->len - 1); | |
7b88176e MG |
1428 | } else if (orig_len != sb->len) { |
1429 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
1430 | strbuf_insert(sb, orig_len, "\n", 1); | |
1431 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) | |
1432 | strbuf_insert(sb, orig_len, " ", 1); | |
9fa708da JH |
1433 | } |
1434 | return consumed + 1; | |
1435 | } | |
1436 | ||
5b163603 JG |
1437 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
1438 | void *context) | |
1439 | { | |
1440 | struct userformat_want *w = context; | |
1441 | ||
7b88176e | 1442 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
5b163603 JG |
1443 | placeholder++; |
1444 | ||
1445 | switch (*placeholder) { | |
1446 | case 'N': | |
1447 | w->notes = 1; | |
1448 | break; | |
1449 | } | |
1450 | return 0; | |
1451 | } | |
1452 | ||
1453 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1454 | { | |
1455 | struct strbuf dummy = STRBUF_INIT; | |
1456 | ||
1457 | if (!fmt) { | |
1458 | if (!user_format) | |
1459 | return; | |
1460 | fmt = user_format; | |
1461 | } | |
a6253d10 | 1462 | strbuf_expand(&dummy, fmt, userformat_want_item, w); |
5b163603 JG |
1463 | strbuf_release(&dummy); |
1464 | } | |
1465 | ||
cde75e59 | 1466 | void format_commit_message(const struct commit *commit, |
7f98ebc8 | 1467 | const char *format, struct strbuf *sb, |
dd2e794a | 1468 | const struct pretty_print_context *pretty_ctx) |
cde75e59 | 1469 | { |
f29d5958 | 1470 | struct format_commit_context context; |
177b29dc | 1471 | const char *output_enc = pretty_ctx->output_encoding; |
7e77df39 | 1472 | const char *utf8 = "UTF-8"; |
f29d5958 RS |
1473 | |
1474 | memset(&context, 0, sizeof(context)); | |
1475 | context.commit = commit; | |
dd2e794a | 1476 | context.pretty_ctx = pretty_ctx; |
02edd56b | 1477 | context.wrap_start = sb->len; |
7d509878 AS |
1478 | /* |
1479 | * convert a commit message to UTF-8 first | |
1480 | * as far as 'format_commit_item' assumes it in UTF-8 | |
1481 | */ | |
0940a76d NTND |
1482 | context.message = logmsg_reencode(commit, |
1483 | &context.commit_encoding, | |
7d509878 | 1484 | utf8); |
177b29dc | 1485 | |
c3a670de | 1486 | strbuf_expand(sb, format, format_commit_item, &context); |
02edd56b | 1487 | rewrap_message_tail(sb, &context, 0, 0, 0); |
177b29dc | 1488 | |
7d509878 | 1489 | /* then convert a commit message to an actual output encoding */ |
7e77df39 NTND |
1490 | if (output_enc) { |
1491 | if (same_encoding(utf8, output_enc)) | |
1492 | output_enc = NULL; | |
1493 | } else { | |
1494 | if (context.commit_encoding && | |
1495 | !same_encoding(context.commit_encoding, utf8)) | |
1496 | output_enc = context.commit_encoding; | |
1497 | } | |
1498 | ||
1499 | if (output_enc) { | |
1500 | int outsz; | |
1501 | char *out = reencode_string_len(sb->buf, sb->len, | |
1502 | output_enc, utf8, &outsz); | |
1503 | if (out) | |
1504 | strbuf_attach(sb, out, outsz, outsz + 1); | |
1505 | } | |
1506 | ||
0940a76d | 1507 | free(context.commit_encoding); |
b66103c3 | 1508 | unuse_commit_buffer(commit, context.message); |
93fc05eb JS |
1509 | } |
1510 | ||
10f2fbff | 1511 | static void pp_header(struct pretty_print_context *pp, |
93fc05eb JS |
1512 | const char *encoding, |
1513 | const struct commit *commit, | |
1514 | const char **msg_p, | |
1515 | struct strbuf *sb) | |
1516 | { | |
1517 | int parents_shown = 0; | |
1518 | ||
1519 | for (;;) { | |
e3f1da98 | 1520 | const char *name, *line = *msg_p; |
93fc05eb JS |
1521 | int linelen = get_one_line(*msg_p); |
1522 | ||
1523 | if (!linelen) | |
1524 | return; | |
1525 | *msg_p += linelen; | |
1526 | ||
1527 | if (linelen == 1) | |
1528 | /* End of header */ | |
1529 | return; | |
1530 | ||
6bf13944 | 1531 | if (pp->fmt == CMIT_FMT_RAW) { |
93fc05eb JS |
1532 | strbuf_add(sb, line, linelen); |
1533 | continue; | |
1534 | } | |
1535 | ||
59556548 | 1536 | if (starts_with(line, "parent ")) { |
93fc05eb JS |
1537 | if (linelen != 48) |
1538 | die("bad parent line in commit"); | |
1539 | continue; | |
1540 | } | |
1541 | ||
1542 | if (!parents_shown) { | |
4bbaa1eb | 1543 | unsigned num = commit_list_count(commit->parents); |
93fc05eb JS |
1544 | /* with enough slop */ |
1545 | strbuf_grow(sb, num * 50 + 20); | |
6bf13944 | 1546 | add_merge_info(pp, sb, commit); |
93fc05eb JS |
1547 | parents_shown = 1; |
1548 | } | |
1549 | ||
1550 | /* | |
1551 | * MEDIUM == DEFAULT shows only author with dates. | |
1552 | * FULL shows both authors but not dates. | |
1553 | * FULLER shows both authors and dates. | |
1554 | */ | |
e3f1da98 | 1555 | if (skip_prefix(line, "author ", &name)) { |
93fc05eb | 1556 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1557 | pp_user_info(pp, "Author", sb, name, encoding); |
93fc05eb | 1558 | } |
e3f1da98 | 1559 | if (skip_prefix(line, "committer ", &name) && |
6bf13944 | 1560 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
93fc05eb | 1561 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1562 | pp_user_info(pp, "Commit", sb, name, encoding); |
93fc05eb JS |
1563 | } |
1564 | } | |
1565 | } | |
1566 | ||
10f2fbff | 1567 | void pp_title_line(struct pretty_print_context *pp, |
b02bd65f DB |
1568 | const char **msg_p, |
1569 | struct strbuf *sb, | |
b02bd65f | 1570 | const char *encoding, |
267123b4 | 1571 | int need_8bit_cte) |
93fc05eb | 1572 | { |
41dd00ba | 1573 | static const int max_length = 78; /* per rfc2047 */ |
93fc05eb JS |
1574 | struct strbuf title; |
1575 | ||
1576 | strbuf_init(&title, 80); | |
9553d2b2 JK |
1577 | *msg_p = format_subject(&title, *msg_p, |
1578 | pp->preserve_subject ? "\n" : " "); | |
93fc05eb JS |
1579 | |
1580 | strbuf_grow(sb, title.len + 1024); | |
6bf13944 JK |
1581 | if (pp->subject) { |
1582 | strbuf_addstr(sb, pp->subject); | |
41dd00ba JS |
1583 | if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) |
1584 | add_rfc2047(sb, title.buf, title.len, | |
1585 | encoding, RFC2047_SUBJECT); | |
1586 | else | |
1587 | strbuf_add_wrapped_bytes(sb, title.buf, title.len, | |
1588 | -last_line_length(sb), 1, max_length); | |
93fc05eb JS |
1589 | } else { |
1590 | strbuf_addbuf(sb, &title); | |
1591 | } | |
1592 | strbuf_addch(sb, '\n'); | |
1593 | ||
a9080475 JK |
1594 | if (need_8bit_cte == 0) { |
1595 | int i; | |
1596 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1597 | if (has_non_ascii(pp->in_body_headers.items[i].string)) { | |
1598 | need_8bit_cte = 1; | |
1599 | break; | |
1600 | } | |
1601 | } | |
1602 | } | |
1603 | ||
6bf4f1b4 | 1604 | if (need_8bit_cte > 0) { |
93fc05eb JS |
1605 | const char *header_fmt = |
1606 | "MIME-Version: 1.0\n" | |
1607 | "Content-Type: text/plain; charset=%s\n" | |
1608 | "Content-Transfer-Encoding: 8bit\n"; | |
1609 | strbuf_addf(sb, header_fmt, encoding); | |
1610 | } | |
6bf13944 JK |
1611 | if (pp->after_subject) { |
1612 | strbuf_addstr(sb, pp->after_subject); | |
93fc05eb | 1613 | } |
6bf13944 | 1614 | if (pp->fmt == CMIT_FMT_EMAIL) { |
93fc05eb JS |
1615 | strbuf_addch(sb, '\n'); |
1616 | } | |
a9080475 JK |
1617 | |
1618 | if (pp->in_body_headers.nr) { | |
1619 | int i; | |
1620 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1621 | strbuf_addstr(sb, pp->in_body_headers.items[i].string); | |
1622 | free(pp->in_body_headers.items[i].string); | |
1623 | } | |
1624 | string_list_clear(&pp->in_body_headers, 0); | |
1625 | strbuf_addch(sb, '\n'); | |
1626 | } | |
1627 | ||
93fc05eb JS |
1628 | strbuf_release(&title); |
1629 | } | |
1630 | ||
10f2fbff | 1631 | void pp_remainder(struct pretty_print_context *pp, |
b02bd65f DB |
1632 | const char **msg_p, |
1633 | struct strbuf *sb, | |
1634 | int indent) | |
93fc05eb JS |
1635 | { |
1636 | int first = 1; | |
1637 | for (;;) { | |
1638 | const char *line = *msg_p; | |
1639 | int linelen = get_one_line(line); | |
1640 | *msg_p += linelen; | |
1641 | ||
1642 | if (!linelen) | |
1643 | break; | |
1644 | ||
1645 | if (is_empty_line(line, &linelen)) { | |
1646 | if (first) | |
1647 | continue; | |
6bf13944 | 1648 | if (pp->fmt == CMIT_FMT_SHORT) |
93fc05eb JS |
1649 | break; |
1650 | } | |
1651 | first = 0; | |
1652 | ||
1653 | strbuf_grow(sb, linelen + indent + 20); | |
415792ed RS |
1654 | if (indent) |
1655 | strbuf_addchars(sb, ' ', indent); | |
93fc05eb JS |
1656 | strbuf_add(sb, line, linelen); |
1657 | strbuf_addch(sb, '\n'); | |
1658 | } | |
1659 | } | |
1660 | ||
10f2fbff | 1661 | void pretty_print_commit(struct pretty_print_context *pp, |
6bf13944 JK |
1662 | const struct commit *commit, |
1663 | struct strbuf *sb) | |
93fc05eb JS |
1664 | { |
1665 | unsigned long beginning_of_body; | |
1666 | int indent = 4; | |
dd0d388c | 1667 | const char *msg; |
b000c59b | 1668 | const char *reencoded; |
93fc05eb | 1669 | const char *encoding; |
6bf13944 | 1670 | int need_8bit_cte = pp->need_8bit_cte; |
93fc05eb | 1671 | |
6bf13944 JK |
1672 | if (pp->fmt == CMIT_FMT_USERFORMAT) { |
1673 | format_commit_message(commit, user_format, sb, pp); | |
93fc05eb JS |
1674 | return; |
1675 | } | |
1676 | ||
e297cf5a | 1677 | encoding = get_log_output_encoding(); |
5a10d236 | 1678 | msg = reencoded = logmsg_reencode(commit, NULL, encoding); |
93fc05eb | 1679 | |
6bf13944 | 1680 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
93fc05eb JS |
1681 | indent = 0; |
1682 | ||
6bf4f1b4 JH |
1683 | /* |
1684 | * We need to check and emit Content-type: to mark it | |
1685 | * as 8-bit if we haven't done so. | |
93fc05eb | 1686 | */ |
6bf13944 | 1687 | if (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) { |
93fc05eb JS |
1688 | int i, ch, in_body; |
1689 | ||
1690 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
1691 | if (!in_body) { | |
1692 | /* author could be non 7-bit ASCII but | |
1693 | * the log may be so; skip over the | |
1694 | * header part first. | |
1695 | */ | |
1696 | if (ch == '\n' && msg[i+1] == '\n') | |
1697 | in_body = 1; | |
1698 | } | |
1699 | else if (non_ascii(ch)) { | |
6bf4f1b4 | 1700 | need_8bit_cte = 1; |
93fc05eb JS |
1701 | break; |
1702 | } | |
1703 | } | |
1704 | } | |
1705 | ||
6bf13944 JK |
1706 | pp_header(pp, encoding, commit, &msg, sb); |
1707 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) { | |
93fc05eb JS |
1708 | strbuf_addch(sb, '\n'); |
1709 | } | |
1710 | ||
1711 | /* Skip excess blank lines at the beginning of body, if any... */ | |
a0109668 | 1712 | msg = skip_empty_lines(msg); |
93fc05eb JS |
1713 | |
1714 | /* These formats treat the title line specially. */ | |
6bf13944 JK |
1715 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
1716 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); | |
93fc05eb JS |
1717 | |
1718 | beginning_of_body = sb->len; | |
6bf13944 JK |
1719 | if (pp->fmt != CMIT_FMT_ONELINE) |
1720 | pp_remainder(pp, &msg, sb, indent); | |
93fc05eb JS |
1721 | strbuf_rtrim(sb); |
1722 | ||
1723 | /* Make sure there is an EOLN for the non-oneline case */ | |
6bf13944 | 1724 | if (pp->fmt != CMIT_FMT_ONELINE) |
93fc05eb JS |
1725 | strbuf_addch(sb, '\n'); |
1726 | ||
1727 | /* | |
1728 | * The caller may append additional body text in e-mail | |
1729 | * format. Make sure we did not strip the blank line | |
1730 | * between the header and the body. | |
1731 | */ | |
6bf13944 | 1732 | if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body) |
93fc05eb | 1733 | strbuf_addch(sb, '\n'); |
a97a7468 | 1734 | |
b66103c3 | 1735 | unuse_commit_buffer(commit, reencoded); |
93fc05eb | 1736 | } |
8b8a5374 JK |
1737 | |
1738 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
1739 | struct strbuf *sb) | |
1740 | { | |
1741 | struct pretty_print_context pp = {0}; | |
6bf13944 JK |
1742 | pp.fmt = fmt; |
1743 | pretty_print_commit(&pp, commit, sb); | |
8b8a5374 | 1744 | } |