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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 | 401 | const char *show_ident_date(const struct ident_split *ident, |
a5481a6c | 402 | const struct 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 | 491 | strbuf_addf(sb, "Date: %s\n", |
a5481a6c | 492 | show_ident_date(&ident, &pp->date_mode)); |
93fc05eb JS |
493 | break; |
494 | case CMIT_FMT_EMAIL: | |
9dbe7c3d | 495 | strbuf_addf(sb, "Date: %s\n", |
a5481a6c | 496 | show_ident_date(&ident, DATE_MODE(RFC2822))); |
93fc05eb JS |
497 | break; |
498 | case CMIT_FMT_FULLER: | |
9dbe7c3d | 499 | strbuf_addf(sb, "%sDate: %s\n", what, |
a5481a6c | 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, |
a5481a6c JK |
674 | const char *msg, int len, |
675 | const struct date_mode *dmode) | |
93fc05eb | 676 | { |
c3a670de MC |
677 | /* currently all placeholders have same length */ |
678 | const int placeholder_len = 2; | |
4b340cfa | 679 | struct ident_split s; |
ea02ffa3 AP |
680 | const char *name, *mail; |
681 | size_t maillen, namelen; | |
93fc05eb | 682 | |
4b340cfa | 683 | if (split_ident_line(&s, msg, len) < 0) |
c3a670de MC |
684 | goto skip; |
685 | ||
ea02ffa3 AP |
686 | name = s.name_begin; |
687 | namelen = s.name_end - s.name_begin; | |
688 | mail = s.mail_begin; | |
689 | maillen = s.mail_end - s.mail_begin; | |
690 | ||
691 | if (part == 'N' || part == 'E') /* mailmap lookup */ | |
692 | mailmap_name(&mail, &maillen, &name, &namelen); | |
e0cbc397 | 693 | if (part == 'n' || part == 'N') { /* name */ |
ea02ffa3 | 694 | strbuf_add(sb, name, namelen); |
c3a670de | 695 | return placeholder_len; |
cde75e59 | 696 | } |
d20d654f | 697 | if (part == 'e' || part == 'E') { /* email */ |
ea02ffa3 | 698 | strbuf_add(sb, mail, maillen); |
c3a670de | 699 | return placeholder_len; |
cde75e59 | 700 | } |
93fc05eb | 701 | |
4b340cfa | 702 | if (!s.date_begin) |
c3a670de | 703 | goto skip; |
93fc05eb | 704 | |
cde75e59 | 705 | if (part == 't') { /* date, UNIX timestamp */ |
4b340cfa | 706 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
c3a670de | 707 | return placeholder_len; |
cde75e59 | 708 | } |
93fc05eb | 709 | |
cde75e59 RS |
710 | switch (part) { |
711 | case 'd': /* date */ | |
9dbe7c3d | 712 | strbuf_addstr(sb, show_ident_date(&s, dmode)); |
c3a670de | 713 | return placeholder_len; |
cde75e59 | 714 | case 'D': /* date, RFC2822 style */ |
a5481a6c | 715 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RFC2822))); |
c3a670de | 716 | return placeholder_len; |
cde75e59 | 717 | case 'r': /* date, relative */ |
a5481a6c | 718 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RELATIVE))); |
c3a670de | 719 | return placeholder_len; |
466fb674 | 720 | case 'i': /* date, ISO 8601-like */ |
a5481a6c | 721 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601))); |
c3a670de | 722 | return placeholder_len; |
466fb674 | 723 | case 'I': /* date, ISO 8601 strict */ |
a5481a6c | 724 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601_STRICT))); |
466fb674 | 725 | return placeholder_len; |
cde75e59 | 726 | } |
c3a670de MC |
727 | |
728 | skip: | |
729 | /* | |
4b340cfa JH |
730 | * reading from either a bogus commit, or a reflog entry with |
731 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
732 | * to compute a valid return value. | |
c3a670de MC |
733 | */ |
734 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
735 | || part == 'D' || part == 'r' || part == 'i') | |
736 | return placeholder_len; | |
737 | ||
738 | return 0; /* unknown placeholder */ | |
93fc05eb JS |
739 | } |
740 | ||
f29d5958 RS |
741 | struct chunk { |
742 | size_t off; | |
743 | size_t len; | |
744 | }; | |
745 | ||
a5752342 NTND |
746 | enum flush_type { |
747 | no_flush, | |
748 | flush_right, | |
749 | flush_left, | |
1640632b | 750 | flush_left_and_steal, |
a5752342 NTND |
751 | flush_both |
752 | }; | |
753 | ||
a7f01c6b NTND |
754 | enum trunc_type { |
755 | trunc_none, | |
756 | trunc_left, | |
757 | trunc_middle, | |
758 | trunc_right | |
759 | }; | |
760 | ||
f29d5958 RS |
761 | struct format_commit_context { |
762 | const struct commit *commit; | |
dd2e794a | 763 | const struct pretty_print_context *pretty_ctx; |
f53bd743 RS |
764 | unsigned commit_header_parsed:1; |
765 | unsigned commit_message_parsed:1; | |
ffb6d7d5 | 766 | struct signature_check signature_check; |
a5752342 | 767 | enum flush_type flush_type; |
a7f01c6b | 768 | enum trunc_type truncate; |
b000c59b | 769 | const char *message; |
0940a76d | 770 | char *commit_encoding; |
02edd56b | 771 | size_t width, indent1, indent2; |
a95f067e | 772 | int auto_color; |
a5752342 | 773 | int padding; |
f29d5958 RS |
774 | |
775 | /* These offsets are relative to the start of the commit message. */ | |
f29d5958 RS |
776 | struct chunk author; |
777 | struct chunk committer; | |
f53bd743 RS |
778 | size_t message_off; |
779 | size_t subject_off; | |
f29d5958 | 780 | size_t body_off; |
b9c62321 RS |
781 | |
782 | /* The following ones are relative to the result struct strbuf. */ | |
783 | struct chunk abbrev_commit_hash; | |
784 | struct chunk abbrev_tree_hash; | |
785 | struct chunk abbrev_parent_hashes; | |
02edd56b | 786 | size_t wrap_start; |
f29d5958 RS |
787 | }; |
788 | ||
b9c62321 RS |
789 | static int add_again(struct strbuf *sb, struct chunk *chunk) |
790 | { | |
791 | if (chunk->len) { | |
792 | strbuf_adddup(sb, chunk->off, chunk->len); | |
793 | return 1; | |
794 | } | |
795 | ||
796 | /* | |
797 | * We haven't seen this chunk before. Our caller is surely | |
798 | * going to add it the hard way now. Remember the most likely | |
799 | * start of the to-be-added chunk: the current end of the | |
800 | * struct strbuf. | |
801 | */ | |
802 | chunk->off = sb->len; | |
803 | return 0; | |
804 | } | |
805 | ||
f29d5958 | 806 | static void parse_commit_header(struct format_commit_context *context) |
93fc05eb | 807 | { |
177b29dc | 808 | const char *msg = context->message; |
93fc05eb | 809 | int i; |
f29d5958 | 810 | |
f53bd743 | 811 | for (i = 0; msg[i]; i++) { |
e3f1da98 | 812 | const char *name; |
f29d5958 RS |
813 | int eol; |
814 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
815 | ; /* do nothing */ | |
816 | ||
f29d5958 | 817 | if (i == eol) { |
f53bd743 | 818 | break; |
e3f1da98 RS |
819 | } else if (skip_prefix(msg + i, "author ", &name)) { |
820 | context->author.off = name - msg; | |
821 | context->author.len = msg + eol - name; | |
822 | } else if (skip_prefix(msg + i, "committer ", &name)) { | |
823 | context->committer.off = name - msg; | |
824 | context->committer.len = msg + eol - name; | |
f29d5958 RS |
825 | } |
826 | i = eol; | |
827 | } | |
f53bd743 | 828 | context->message_off = i; |
f29d5958 RS |
829 | context->commit_header_parsed = 1; |
830 | } | |
831 | ||
46d164b0 SB |
832 | static int istitlechar(char c) |
833 | { | |
834 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
835 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
836 | } | |
837 | ||
838 | static void format_sanitized_subject(struct strbuf *sb, const char *msg) | |
839 | { | |
840 | size_t trimlen; | |
871d21d4 | 841 | size_t start_len = sb->len; |
46d164b0 SB |
842 | int space = 2; |
843 | ||
844 | for (; *msg && *msg != '\n'; msg++) { | |
845 | if (istitlechar(*msg)) { | |
846 | if (space == 1) | |
847 | strbuf_addch(sb, '-'); | |
848 | space = 0; | |
849 | strbuf_addch(sb, *msg); | |
850 | if (*msg == '.') | |
851 | while (*(msg+1) == '.') | |
852 | msg++; | |
853 | } else | |
854 | space |= 1; | |
855 | } | |
856 | ||
857 | /* trim any trailing '.' or '-' characters */ | |
858 | trimlen = 0; | |
871d21d4 SB |
859 | while (sb->len - trimlen > start_len && |
860 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
861 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
46d164b0 SB |
862 | trimlen++; |
863 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
864 | } | |
865 | ||
cec08717 RS |
866 | const char *format_subject(struct strbuf *sb, const char *msg, |
867 | const char *line_separator) | |
88c44735 RS |
868 | { |
869 | int first = 1; | |
870 | ||
871 | for (;;) { | |
872 | const char *line = msg; | |
873 | int linelen = get_one_line(line); | |
874 | ||
875 | msg += linelen; | |
876 | if (!linelen || is_empty_line(line, &linelen)) | |
877 | break; | |
878 | ||
f53bd743 RS |
879 | if (!sb) |
880 | continue; | |
88c44735 RS |
881 | strbuf_grow(sb, linelen + 2); |
882 | if (!first) | |
883 | strbuf_addstr(sb, line_separator); | |
884 | strbuf_add(sb, line, linelen); | |
885 | first = 0; | |
886 | } | |
887 | return msg; | |
888 | } | |
889 | ||
f53bd743 RS |
890 | static void parse_commit_message(struct format_commit_context *c) |
891 | { | |
177b29dc PN |
892 | const char *msg = c->message + c->message_off; |
893 | const char *start = c->message; | |
f53bd743 RS |
894 | |
895 | msg = skip_empty_lines(msg); | |
896 | c->subject_off = msg - start; | |
897 | ||
898 | msg = format_subject(NULL, msg, NULL); | |
899 | msg = skip_empty_lines(msg); | |
900 | c->body_off = msg - start; | |
901 | ||
902 | c->commit_message_parsed = 1; | |
903 | } | |
904 | ||
02edd56b RS |
905 | static void strbuf_wrap(struct strbuf *sb, size_t pos, |
906 | size_t width, size_t indent1, size_t indent2) | |
907 | { | |
908 | struct strbuf tmp = STRBUF_INIT; | |
909 | ||
910 | if (pos) | |
911 | strbuf_add(&tmp, sb->buf, pos); | |
912 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
913 | (int) indent1, (int) indent2, (int) width); | |
914 | strbuf_swap(&tmp, sb); | |
915 | strbuf_release(&tmp); | |
916 | } | |
917 | ||
918 | static void rewrap_message_tail(struct strbuf *sb, | |
919 | struct format_commit_context *c, | |
920 | size_t new_width, size_t new_indent1, | |
921 | size_t new_indent2) | |
922 | { | |
923 | if (c->width == new_width && c->indent1 == new_indent1 && | |
924 | c->indent2 == new_indent2) | |
925 | return; | |
32ca4249 | 926 | if (c->wrap_start < sb->len) |
02edd56b RS |
927 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
928 | c->wrap_start = sb->len; | |
929 | c->width = new_width; | |
930 | c->indent1 = new_indent1; | |
931 | c->indent2 = new_indent2; | |
932 | } | |
933 | ||
cd1957f5 JK |
934 | static int format_reflog_person(struct strbuf *sb, |
935 | char part, | |
936 | struct reflog_walk_info *log, | |
a5481a6c | 937 | const struct date_mode *dmode) |
cd1957f5 JK |
938 | { |
939 | const char *ident; | |
940 | ||
941 | if (!log) | |
942 | return 2; | |
943 | ||
944 | ident = get_reflog_ident(log); | |
945 | if (!ident) | |
946 | return 2; | |
947 | ||
948 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
949 | } | |
950 | ||
fcabc2d9 NTND |
951 | static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ |
952 | const char *placeholder, | |
953 | struct format_commit_context *c) | |
954 | { | |
e3f1da98 RS |
955 | const char *rest = placeholder; |
956 | ||
fcabc2d9 NTND |
957 | if (placeholder[1] == '(') { |
958 | const char *begin = placeholder + 2; | |
959 | const char *end = strchr(begin, ')'); | |
960 | char color[COLOR_MAXLEN]; | |
961 | ||
962 | if (!end) | |
963 | return 0; | |
e3f1da98 | 964 | if (skip_prefix(begin, "auto,", &begin)) { |
fcabc2d9 NTND |
965 | if (!want_color(c->pretty_ctx->color)) |
966 | return end - placeholder + 1; | |
fcabc2d9 | 967 | } |
f6c5a296 JK |
968 | if (color_parse_mem(begin, end - begin, color) < 0) |
969 | die(_("unable to parse --pretty format")); | |
fcabc2d9 NTND |
970 | strbuf_addstr(sb, color); |
971 | return end - placeholder + 1; | |
972 | } | |
e3f1da98 | 973 | if (skip_prefix(placeholder + 1, "red", &rest)) |
fcabc2d9 | 974 | strbuf_addstr(sb, GIT_COLOR_RED); |
e3f1da98 | 975 | else if (skip_prefix(placeholder + 1, "green", &rest)) |
fcabc2d9 | 976 | strbuf_addstr(sb, GIT_COLOR_GREEN); |
e3f1da98 | 977 | else if (skip_prefix(placeholder + 1, "blue", &rest)) |
fcabc2d9 | 978 | strbuf_addstr(sb, GIT_COLOR_BLUE); |
e3f1da98 | 979 | else if (skip_prefix(placeholder + 1, "reset", &rest)) |
fcabc2d9 | 980 | strbuf_addstr(sb, GIT_COLOR_RESET); |
e3f1da98 | 981 | return rest - placeholder; |
fcabc2d9 NTND |
982 | } |
983 | ||
a5752342 NTND |
984 | static size_t parse_padding_placeholder(struct strbuf *sb, |
985 | const char *placeholder, | |
986 | struct format_commit_context *c) | |
987 | { | |
988 | const char *ch = placeholder; | |
989 | enum flush_type flush_type; | |
990 | int to_column = 0; | |
991 | ||
992 | switch (*ch++) { | |
993 | case '<': | |
994 | flush_type = flush_right; | |
995 | break; | |
996 | case '>': | |
997 | if (*ch == '<') { | |
998 | flush_type = flush_both; | |
999 | ch++; | |
1640632b NTND |
1000 | } else if (*ch == '>') { |
1001 | flush_type = flush_left_and_steal; | |
1002 | ch++; | |
a5752342 NTND |
1003 | } else |
1004 | flush_type = flush_left; | |
1005 | break; | |
1006 | default: | |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | /* the next value means "wide enough to that column" */ | |
1011 | if (*ch == '|') { | |
1012 | to_column = 1; | |
1013 | ch++; | |
1014 | } | |
1015 | ||
1016 | if (*ch == '(') { | |
1017 | const char *start = ch + 1; | |
a7f01c6b | 1018 | const char *end = start + strcspn(start, ",)"); |
a5752342 NTND |
1019 | char *next; |
1020 | int width; | |
1021 | if (!end || end == start) | |
1022 | return 0; | |
1023 | width = strtoul(start, &next, 10); | |
1024 | if (next == start || width == 0) | |
1025 | return 0; | |
1026 | c->padding = to_column ? -width : width; | |
1027 | c->flush_type = flush_type; | |
a7f01c6b NTND |
1028 | |
1029 | if (*end == ',') { | |
1030 | start = end + 1; | |
1031 | end = strchr(start, ')'); | |
1032 | if (!end || end == start) | |
1033 | return 0; | |
59556548 | 1034 | if (starts_with(start, "trunc)")) |
a7f01c6b | 1035 | c->truncate = trunc_right; |
59556548 | 1036 | else if (starts_with(start, "ltrunc)")) |
a7f01c6b | 1037 | c->truncate = trunc_left; |
59556548 | 1038 | else if (starts_with(start, "mtrunc)")) |
a7f01c6b NTND |
1039 | c->truncate = trunc_middle; |
1040 | else | |
1041 | return 0; | |
1042 | } else | |
1043 | c->truncate = trunc_none; | |
1044 | ||
a5752342 NTND |
1045 | return end - placeholder + 1; |
1046 | } | |
1047 | return 0; | |
1048 | } | |
1049 | ||
7e77df39 NTND |
1050 | static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ |
1051 | const char *placeholder, | |
9fa708da | 1052 | void *context) |
f29d5958 RS |
1053 | { |
1054 | struct format_commit_context *c = context; | |
1055 | const struct commit *commit = c->commit; | |
177b29dc | 1056 | const char *msg = c->message; |
f29d5958 | 1057 | struct commit_list *p; |
42c8c74c | 1058 | int h1, h2; |
93fc05eb | 1059 | |
93fc05eb | 1060 | /* these are independent of the commit */ |
cde75e59 RS |
1061 | switch (placeholder[0]) { |
1062 | case 'C': | |
59556548 | 1063 | if (starts_with(placeholder + 1, "(auto)")) { |
a95f067e NTND |
1064 | c->auto_color = 1; |
1065 | return 7; /* consumed 7 bytes, "C(auto)" */ | |
1066 | } else { | |
1067 | int ret = parse_color(sb, placeholder, c); | |
1068 | if (ret) | |
1069 | c->auto_color = 0; | |
1070 | /* | |
1071 | * Otherwise, we decided to treat %C<unknown> | |
1072 | * as a literal string, and the previous | |
1073 | * %C(auto) is still valid. | |
1074 | */ | |
1075 | return ret; | |
c002922a | 1076 | } |
cde75e59 RS |
1077 | case 'n': /* newline */ |
1078 | strbuf_addch(sb, '\n'); | |
c3a670de | 1079 | return 1; |
42c8c74c GS |
1080 | case 'x': |
1081 | /* %x00 == NUL, %x0a == LF, etc. */ | |
1082 | if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) && | |
1083 | h1 <= 16 && | |
1084 | 0 <= (h2 = hexval_table[0xff & placeholder[2]]) && | |
1085 | h2 <= 16) { | |
1086 | strbuf_addch(sb, (h1<<4)|h2); | |
1087 | return 3; | |
1088 | } else | |
1089 | return 0; | |
02edd56b RS |
1090 | case 'w': |
1091 | if (placeholder[1] == '(') { | |
1092 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
1093 | char *next; | |
1094 | const char *start = placeholder + 2; | |
1095 | const char *end = strchr(start, ')'); | |
1096 | if (!end) | |
1097 | return 0; | |
1098 | if (end > start) { | |
1099 | width = strtoul(start, &next, 10); | |
1100 | if (*next == ',') { | |
1101 | indent1 = strtoul(next + 1, &next, 10); | |
1102 | if (*next == ',') { | |
1103 | indent2 = strtoul(next + 1, | |
1104 | &next, 10); | |
1105 | } | |
1106 | } | |
1107 | if (*next != ')') | |
1108 | return 0; | |
1109 | } | |
1110 | rewrap_message_tail(sb, c, width, indent1, indent2); | |
1111 | return end - placeholder + 1; | |
1112 | } else | |
1113 | return 0; | |
a5752342 NTND |
1114 | |
1115 | case '<': | |
1116 | case '>': | |
1117 | return parse_padding_placeholder(sb, placeholder, c); | |
cde75e59 | 1118 | } |
93fc05eb JS |
1119 | |
1120 | /* these depend on the commit */ | |
1121 | if (!commit->object.parsed) | |
1122 | parse_object(commit->object.sha1); | |
93fc05eb | 1123 | |
cde75e59 RS |
1124 | switch (placeholder[0]) { |
1125 | case 'H': /* commit hash */ | |
a95f067e | 1126 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
cde75e59 | 1127 | strbuf_addstr(sb, sha1_to_hex(commit->object.sha1)); |
a95f067e | 1128 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1129 | return 1; |
cde75e59 | 1130 | case 'h': /* abbreviated commit hash */ |
a95f067e NTND |
1131 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
1132 | if (add_again(sb, &c->abbrev_commit_hash)) { | |
1133 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); | |
c3a670de | 1134 | return 1; |
a95f067e | 1135 | } |
cde75e59 | 1136 | strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1, |
c1977021 | 1137 | c->pretty_ctx->abbrev)); |
a95f067e | 1138 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
b9c62321 | 1139 | c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off; |
c3a670de | 1140 | return 1; |
cde75e59 RS |
1141 | case 'T': /* tree hash */ |
1142 | strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1)); | |
c3a670de | 1143 | return 1; |
cde75e59 | 1144 | case 't': /* abbreviated tree hash */ |
b9c62321 | 1145 | if (add_again(sb, &c->abbrev_tree_hash)) |
c3a670de | 1146 | return 1; |
cde75e59 | 1147 | strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1, |
c1977021 | 1148 | c->pretty_ctx->abbrev)); |
b9c62321 | 1149 | c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off; |
c3a670de | 1150 | return 1; |
cde75e59 RS |
1151 | case 'P': /* parent hashes */ |
1152 | for (p = commit->parents; p; p = p->next) { | |
1153 | if (p != commit->parents) | |
1154 | strbuf_addch(sb, ' '); | |
1155 | strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1)); | |
1156 | } | |
c3a670de | 1157 | return 1; |
cde75e59 | 1158 | case 'p': /* abbreviated parent hashes */ |
b9c62321 | 1159 | if (add_again(sb, &c->abbrev_parent_hashes)) |
c3a670de | 1160 | return 1; |
cde75e59 RS |
1161 | for (p = commit->parents; p; p = p->next) { |
1162 | if (p != commit->parents) | |
1163 | strbuf_addch(sb, ' '); | |
1164 | strbuf_addstr(sb, find_unique_abbrev( | |
c1977021 WP |
1165 | p->item->object.sha1, |
1166 | c->pretty_ctx->abbrev)); | |
cde75e59 | 1167 | } |
b9c62321 RS |
1168 | c->abbrev_parent_hashes.len = sb->len - |
1169 | c->abbrev_parent_hashes.off; | |
c3a670de | 1170 | return 1; |
cde75e59 | 1171 | case 'm': /* left/right/bottom */ |
1df2d656 | 1172 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
c3a670de | 1173 | return 1; |
3b3d443f | 1174 | case 'd': |
9d3f002f | 1175 | load_ref_decorations(DECORATE_SHORT_REFS); |
a95f067e | 1176 | format_decorations(sb, commit, c->auto_color); |
3b3d443f | 1177 | return 1; |
9271095c HJ |
1178 | case 'D': |
1179 | load_ref_decorations(DECORATE_SHORT_REFS); | |
1180 | format_decorations_extended(sb, commit, c->auto_color, "", ", ", ""); | |
1181 | return 1; | |
8f8f5476 TR |
1182 | case 'g': /* reflog info */ |
1183 | switch(placeholder[1]) { | |
1184 | case 'd': /* reflog selector */ | |
1185 | case 'D': | |
1186 | if (c->pretty_ctx->reflog_info) | |
1187 | get_reflog_selector(sb, | |
1188 | c->pretty_ctx->reflog_info, | |
a5481a6c | 1189 | &c->pretty_ctx->date_mode, |
55ccf85a | 1190 | c->pretty_ctx->date_mode_explicit, |
8f8f5476 TR |
1191 | (placeholder[1] == 'd')); |
1192 | return 2; | |
1193 | case 's': /* reflog message */ | |
1194 | if (c->pretty_ctx->reflog_info) | |
1195 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1196 | return 2; | |
cd1957f5 JK |
1197 | case 'n': |
1198 | case 'N': | |
1199 | case 'e': | |
1200 | case 'E': | |
1201 | return format_reflog_person(sb, | |
1202 | placeholder[1], | |
1203 | c->pretty_ctx->reflog_info, | |
a5481a6c | 1204 | &c->pretty_ctx->date_mode); |
8f8f5476 TR |
1205 | } |
1206 | return 0; /* unknown %g placeholder */ | |
8b208f02 | 1207 | case 'N': |
ddf333f6 JH |
1208 | if (c->pretty_ctx->notes_message) { |
1209 | strbuf_addstr(sb, c->pretty_ctx->notes_message); | |
5b163603 JG |
1210 | return 1; |
1211 | } | |
1212 | return 0; | |
cde75e59 RS |
1213 | } |
1214 | ||
f6667c5e | 1215 | if (placeholder[0] == 'G') { |
ffb6d7d5 SG |
1216 | if (!c->signature_check.result) |
1217 | check_commit_signature(c->commit, &(c->signature_check)); | |
f6667c5e JH |
1218 | switch (placeholder[1]) { |
1219 | case 'G': | |
ffb6d7d5 SG |
1220 | if (c->signature_check.gpg_output) |
1221 | strbuf_addstr(sb, c->signature_check.gpg_output); | |
f6667c5e JH |
1222 | break; |
1223 | case '?': | |
ffb6d7d5 | 1224 | switch (c->signature_check.result) { |
f6667c5e JH |
1225 | case 'G': |
1226 | case 'B': | |
e290c4b9 SG |
1227 | case 'U': |
1228 | case 'N': | |
ffb6d7d5 | 1229 | strbuf_addch(sb, c->signature_check.result); |
f6667c5e JH |
1230 | } |
1231 | break; | |
1232 | case 'S': | |
ffb6d7d5 SG |
1233 | if (c->signature_check.signer) |
1234 | strbuf_addstr(sb, c->signature_check.signer); | |
f6667c5e | 1235 | break; |
0174eeaa | 1236 | case 'K': |
ffb6d7d5 SG |
1237 | if (c->signature_check.key) |
1238 | strbuf_addstr(sb, c->signature_check.key); | |
0174eeaa | 1239 | break; |
aa4b78d4 JK |
1240 | default: |
1241 | return 0; | |
f6667c5e JH |
1242 | } |
1243 | return 2; | |
1244 | } | |
1245 | ||
1246 | ||
cde75e59 | 1247 | /* For the rest we have to parse the commit header. */ |
f29d5958 RS |
1248 | if (!c->commit_header_parsed) |
1249 | parse_commit_header(c); | |
93fc05eb | 1250 | |
f29d5958 | 1251 | switch (placeholder[0]) { |
c3a670de MC |
1252 | case 'a': /* author ... */ |
1253 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1254 | msg + c->author.off, c->author.len, |
a5481a6c | 1255 | &c->pretty_ctx->date_mode); |
c3a670de MC |
1256 | case 'c': /* committer ... */ |
1257 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1258 | msg + c->committer.off, c->committer.len, |
a5481a6c | 1259 | &c->pretty_ctx->date_mode); |
c3a670de | 1260 | case 'e': /* encoding */ |
0940a76d NTND |
1261 | if (c->commit_encoding) |
1262 | strbuf_addstr(sb, c->commit_encoding); | |
c3a670de | 1263 | return 1; |
1367b12a EB |
1264 | case 'B': /* raw body */ |
1265 | /* message_off is always left at the initial newline */ | |
1266 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1267 | return 1; | |
f53bd743 RS |
1268 | } |
1269 | ||
1270 | /* Now we need to parse the commit message. */ | |
1271 | if (!c->commit_message_parsed) | |
1272 | parse_commit_message(c); | |
1273 | ||
1274 | switch (placeholder[0]) { | |
1275 | case 's': /* subject */ | |
1276 | format_subject(sb, msg + c->subject_off, " "); | |
1277 | return 1; | |
46d164b0 SB |
1278 | case 'f': /* sanitized subject */ |
1279 | format_sanitized_subject(sb, msg + c->subject_off); | |
1280 | return 1; | |
c3a670de | 1281 | case 'b': /* body */ |
f29d5958 | 1282 | strbuf_addstr(sb, msg + c->body_off); |
c3a670de | 1283 | return 1; |
93fc05eb | 1284 | } |
c3a670de | 1285 | return 0; /* unknown placeholder */ |
cde75e59 RS |
1286 | } |
1287 | ||
a5752342 NTND |
1288 | static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ |
1289 | const char *placeholder, | |
1290 | struct format_commit_context *c) | |
1291 | { | |
1292 | struct strbuf local_sb = STRBUF_INIT; | |
1293 | int total_consumed = 0, len, padding = c->padding; | |
1294 | if (padding < 0) { | |
1295 | const char *start = strrchr(sb->buf, '\n'); | |
1296 | int occupied; | |
1297 | if (!start) | |
1298 | start = sb->buf; | |
1299 | occupied = utf8_strnwidth(start, -1, 1); | |
1300 | padding = (-padding) - occupied; | |
1301 | } | |
1302 | while (1) { | |
1303 | int modifier = *placeholder == 'C'; | |
1304 | int consumed = format_commit_one(&local_sb, placeholder, c); | |
1305 | total_consumed += consumed; | |
1306 | ||
1307 | if (!modifier) | |
1308 | break; | |
1309 | ||
1310 | placeholder += consumed; | |
1311 | if (*placeholder != '%') | |
1312 | break; | |
1313 | placeholder++; | |
1314 | total_consumed++; | |
1315 | } | |
1316 | len = utf8_strnwidth(local_sb.buf, -1, 1); | |
1640632b NTND |
1317 | |
1318 | if (c->flush_type == flush_left_and_steal) { | |
1319 | const char *ch = sb->buf + sb->len - 1; | |
1320 | while (len > padding && ch > sb->buf) { | |
1321 | const char *p; | |
1322 | if (*ch == ' ') { | |
1323 | ch--; | |
1324 | padding++; | |
1325 | continue; | |
1326 | } | |
1327 | /* check for trailing ansi sequences */ | |
1328 | if (*ch != 'm') | |
1329 | break; | |
1330 | p = ch - 1; | |
1331 | while (ch - p < 10 && *p != '\033') | |
1332 | p--; | |
1333 | if (*p != '\033' || | |
1334 | ch + 1 - p != display_mode_esc_sequence_len(p)) | |
1335 | break; | |
1336 | /* | |
1337 | * got a good ansi sequence, put it back to | |
1338 | * local_sb as we're cutting sb | |
1339 | */ | |
1340 | strbuf_insert(&local_sb, 0, p, ch + 1 - p); | |
1341 | ch = p - 1; | |
1342 | } | |
1343 | strbuf_setlen(sb, ch + 1 - sb->buf); | |
1344 | c->flush_type = flush_left; | |
1345 | } | |
1346 | ||
a7f01c6b NTND |
1347 | if (len > padding) { |
1348 | switch (c->truncate) { | |
1349 | case trunc_left: | |
1350 | strbuf_utf8_replace(&local_sb, | |
1351 | 0, len - (padding - 2), | |
1352 | ".."); | |
1353 | break; | |
1354 | case trunc_middle: | |
1355 | strbuf_utf8_replace(&local_sb, | |
1356 | padding / 2 - 1, | |
1357 | len - (padding - 2), | |
1358 | ".."); | |
1359 | break; | |
1360 | case trunc_right: | |
1361 | strbuf_utf8_replace(&local_sb, | |
1362 | padding - 2, len - (padding - 2), | |
1363 | ".."); | |
1364 | break; | |
1365 | case trunc_none: | |
1366 | break; | |
1367 | } | |
e992d1eb | 1368 | strbuf_addbuf(sb, &local_sb); |
a7f01c6b | 1369 | } else { |
a5752342 NTND |
1370 | int sb_len = sb->len, offset = 0; |
1371 | if (c->flush_type == flush_left) | |
1372 | offset = padding - len; | |
1373 | else if (c->flush_type == flush_both) | |
1374 | offset = (padding - len) / 2; | |
1375 | /* | |
1376 | * we calculate padding in columns, now | |
1377 | * convert it back to chars | |
1378 | */ | |
1379 | padding = padding - len + local_sb.len; | |
415792ed | 1380 | strbuf_addchars(sb, ' ', padding); |
a5752342 NTND |
1381 | memcpy(sb->buf + sb_len + offset, local_sb.buf, |
1382 | local_sb.len); | |
1383 | } | |
1384 | strbuf_release(&local_sb); | |
1385 | c->flush_type = no_flush; | |
1386 | return total_consumed; | |
1387 | } | |
1388 | ||
7e77df39 NTND |
1389 | static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ |
1390 | const char *placeholder, | |
9fa708da JH |
1391 | void *context) |
1392 | { | |
1393 | int consumed; | |
1394 | size_t orig_len; | |
1395 | enum { | |
1396 | NO_MAGIC, | |
1397 | ADD_LF_BEFORE_NON_EMPTY, | |
1398 | DEL_LF_BEFORE_EMPTY, | |
223a923c | 1399 | ADD_SP_BEFORE_NON_EMPTY |
9fa708da JH |
1400 | } magic = NO_MAGIC; |
1401 | ||
1402 | switch (placeholder[0]) { | |
1403 | case '-': | |
1404 | magic = DEL_LF_BEFORE_EMPTY; | |
1405 | break; | |
1406 | case '+': | |
1407 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1408 | break; | |
7b88176e MG |
1409 | case ' ': |
1410 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1411 | break; | |
9fa708da JH |
1412 | default: |
1413 | break; | |
1414 | } | |
1415 | if (magic != NO_MAGIC) | |
1416 | placeholder++; | |
1417 | ||
1418 | orig_len = sb->len; | |
a5752342 NTND |
1419 | if (((struct format_commit_context *)context)->flush_type != no_flush) |
1420 | consumed = format_and_pad_commit(sb, placeholder, context); | |
1421 | else | |
1422 | consumed = format_commit_one(sb, placeholder, context); | |
9fa708da JH |
1423 | if (magic == NO_MAGIC) |
1424 | return consumed; | |
1425 | ||
1426 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1427 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1428 | strbuf_setlen(sb, sb->len - 1); | |
7b88176e MG |
1429 | } else if (orig_len != sb->len) { |
1430 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
1431 | strbuf_insert(sb, orig_len, "\n", 1); | |
1432 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) | |
1433 | strbuf_insert(sb, orig_len, " ", 1); | |
9fa708da JH |
1434 | } |
1435 | return consumed + 1; | |
1436 | } | |
1437 | ||
5b163603 JG |
1438 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
1439 | void *context) | |
1440 | { | |
1441 | struct userformat_want *w = context; | |
1442 | ||
7b88176e | 1443 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
5b163603 JG |
1444 | placeholder++; |
1445 | ||
1446 | switch (*placeholder) { | |
1447 | case 'N': | |
1448 | w->notes = 1; | |
1449 | break; | |
1450 | } | |
1451 | return 0; | |
1452 | } | |
1453 | ||
1454 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1455 | { | |
1456 | struct strbuf dummy = STRBUF_INIT; | |
1457 | ||
1458 | if (!fmt) { | |
1459 | if (!user_format) | |
1460 | return; | |
1461 | fmt = user_format; | |
1462 | } | |
a6253d10 | 1463 | strbuf_expand(&dummy, fmt, userformat_want_item, w); |
5b163603 JG |
1464 | strbuf_release(&dummy); |
1465 | } | |
1466 | ||
cde75e59 | 1467 | void format_commit_message(const struct commit *commit, |
7f98ebc8 | 1468 | const char *format, struct strbuf *sb, |
dd2e794a | 1469 | const struct pretty_print_context *pretty_ctx) |
cde75e59 | 1470 | { |
f29d5958 | 1471 | struct format_commit_context context; |
177b29dc | 1472 | const char *output_enc = pretty_ctx->output_encoding; |
7e77df39 | 1473 | const char *utf8 = "UTF-8"; |
f29d5958 RS |
1474 | |
1475 | memset(&context, 0, sizeof(context)); | |
1476 | context.commit = commit; | |
dd2e794a | 1477 | context.pretty_ctx = pretty_ctx; |
02edd56b | 1478 | context.wrap_start = sb->len; |
7d509878 AS |
1479 | /* |
1480 | * convert a commit message to UTF-8 first | |
1481 | * as far as 'format_commit_item' assumes it in UTF-8 | |
1482 | */ | |
0940a76d NTND |
1483 | context.message = logmsg_reencode(commit, |
1484 | &context.commit_encoding, | |
7d509878 | 1485 | utf8); |
177b29dc | 1486 | |
c3a670de | 1487 | strbuf_expand(sb, format, format_commit_item, &context); |
02edd56b | 1488 | rewrap_message_tail(sb, &context, 0, 0, 0); |
177b29dc | 1489 | |
7d509878 | 1490 | /* then convert a commit message to an actual output encoding */ |
7e77df39 NTND |
1491 | if (output_enc) { |
1492 | if (same_encoding(utf8, output_enc)) | |
1493 | output_enc = NULL; | |
1494 | } else { | |
1495 | if (context.commit_encoding && | |
1496 | !same_encoding(context.commit_encoding, utf8)) | |
1497 | output_enc = context.commit_encoding; | |
1498 | } | |
1499 | ||
1500 | if (output_enc) { | |
1501 | int outsz; | |
1502 | char *out = reencode_string_len(sb->buf, sb->len, | |
1503 | output_enc, utf8, &outsz); | |
1504 | if (out) | |
1505 | strbuf_attach(sb, out, outsz, outsz + 1); | |
1506 | } | |
1507 | ||
0940a76d | 1508 | free(context.commit_encoding); |
b66103c3 | 1509 | unuse_commit_buffer(commit, context.message); |
93fc05eb JS |
1510 | } |
1511 | ||
10f2fbff | 1512 | static void pp_header(struct pretty_print_context *pp, |
93fc05eb JS |
1513 | const char *encoding, |
1514 | const struct commit *commit, | |
1515 | const char **msg_p, | |
1516 | struct strbuf *sb) | |
1517 | { | |
1518 | int parents_shown = 0; | |
1519 | ||
1520 | for (;;) { | |
e3f1da98 | 1521 | const char *name, *line = *msg_p; |
93fc05eb JS |
1522 | int linelen = get_one_line(*msg_p); |
1523 | ||
1524 | if (!linelen) | |
1525 | return; | |
1526 | *msg_p += linelen; | |
1527 | ||
1528 | if (linelen == 1) | |
1529 | /* End of header */ | |
1530 | return; | |
1531 | ||
6bf13944 | 1532 | if (pp->fmt == CMIT_FMT_RAW) { |
93fc05eb JS |
1533 | strbuf_add(sb, line, linelen); |
1534 | continue; | |
1535 | } | |
1536 | ||
59556548 | 1537 | if (starts_with(line, "parent ")) { |
93fc05eb JS |
1538 | if (linelen != 48) |
1539 | die("bad parent line in commit"); | |
1540 | continue; | |
1541 | } | |
1542 | ||
1543 | if (!parents_shown) { | |
4bbaa1eb | 1544 | unsigned num = commit_list_count(commit->parents); |
93fc05eb JS |
1545 | /* with enough slop */ |
1546 | strbuf_grow(sb, num * 50 + 20); | |
6bf13944 | 1547 | add_merge_info(pp, sb, commit); |
93fc05eb JS |
1548 | parents_shown = 1; |
1549 | } | |
1550 | ||
1551 | /* | |
1552 | * MEDIUM == DEFAULT shows only author with dates. | |
1553 | * FULL shows both authors but not dates. | |
1554 | * FULLER shows both authors and dates. | |
1555 | */ | |
e3f1da98 | 1556 | if (skip_prefix(line, "author ", &name)) { |
93fc05eb | 1557 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1558 | pp_user_info(pp, "Author", sb, name, encoding); |
93fc05eb | 1559 | } |
e3f1da98 | 1560 | if (skip_prefix(line, "committer ", &name) && |
6bf13944 | 1561 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
93fc05eb | 1562 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1563 | pp_user_info(pp, "Commit", sb, name, encoding); |
93fc05eb JS |
1564 | } |
1565 | } | |
1566 | } | |
1567 | ||
10f2fbff | 1568 | void pp_title_line(struct pretty_print_context *pp, |
b02bd65f DB |
1569 | const char **msg_p, |
1570 | struct strbuf *sb, | |
b02bd65f | 1571 | const char *encoding, |
267123b4 | 1572 | int need_8bit_cte) |
93fc05eb | 1573 | { |
41dd00ba | 1574 | static const int max_length = 78; /* per rfc2047 */ |
93fc05eb JS |
1575 | struct strbuf title; |
1576 | ||
1577 | strbuf_init(&title, 80); | |
9553d2b2 JK |
1578 | *msg_p = format_subject(&title, *msg_p, |
1579 | pp->preserve_subject ? "\n" : " "); | |
93fc05eb JS |
1580 | |
1581 | strbuf_grow(sb, title.len + 1024); | |
6bf13944 JK |
1582 | if (pp->subject) { |
1583 | strbuf_addstr(sb, pp->subject); | |
41dd00ba JS |
1584 | if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) |
1585 | add_rfc2047(sb, title.buf, title.len, | |
1586 | encoding, RFC2047_SUBJECT); | |
1587 | else | |
1588 | strbuf_add_wrapped_bytes(sb, title.buf, title.len, | |
1589 | -last_line_length(sb), 1, max_length); | |
93fc05eb JS |
1590 | } else { |
1591 | strbuf_addbuf(sb, &title); | |
1592 | } | |
1593 | strbuf_addch(sb, '\n'); | |
1594 | ||
a9080475 JK |
1595 | if (need_8bit_cte == 0) { |
1596 | int i; | |
1597 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1598 | if (has_non_ascii(pp->in_body_headers.items[i].string)) { | |
1599 | need_8bit_cte = 1; | |
1600 | break; | |
1601 | } | |
1602 | } | |
1603 | } | |
1604 | ||
6bf4f1b4 | 1605 | if (need_8bit_cte > 0) { |
93fc05eb JS |
1606 | const char *header_fmt = |
1607 | "MIME-Version: 1.0\n" | |
1608 | "Content-Type: text/plain; charset=%s\n" | |
1609 | "Content-Transfer-Encoding: 8bit\n"; | |
1610 | strbuf_addf(sb, header_fmt, encoding); | |
1611 | } | |
6bf13944 JK |
1612 | if (pp->after_subject) { |
1613 | strbuf_addstr(sb, pp->after_subject); | |
93fc05eb | 1614 | } |
6bf13944 | 1615 | if (pp->fmt == CMIT_FMT_EMAIL) { |
93fc05eb JS |
1616 | strbuf_addch(sb, '\n'); |
1617 | } | |
a9080475 JK |
1618 | |
1619 | if (pp->in_body_headers.nr) { | |
1620 | int i; | |
1621 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1622 | strbuf_addstr(sb, pp->in_body_headers.items[i].string); | |
1623 | free(pp->in_body_headers.items[i].string); | |
1624 | } | |
1625 | string_list_clear(&pp->in_body_headers, 0); | |
1626 | strbuf_addch(sb, '\n'); | |
1627 | } | |
1628 | ||
93fc05eb JS |
1629 | strbuf_release(&title); |
1630 | } | |
1631 | ||
10f2fbff | 1632 | void pp_remainder(struct pretty_print_context *pp, |
b02bd65f DB |
1633 | const char **msg_p, |
1634 | struct strbuf *sb, | |
1635 | int indent) | |
93fc05eb JS |
1636 | { |
1637 | int first = 1; | |
1638 | for (;;) { | |
1639 | const char *line = *msg_p; | |
1640 | int linelen = get_one_line(line); | |
1641 | *msg_p += linelen; | |
1642 | ||
1643 | if (!linelen) | |
1644 | break; | |
1645 | ||
1646 | if (is_empty_line(line, &linelen)) { | |
1647 | if (first) | |
1648 | continue; | |
6bf13944 | 1649 | if (pp->fmt == CMIT_FMT_SHORT) |
93fc05eb JS |
1650 | break; |
1651 | } | |
1652 | first = 0; | |
1653 | ||
1654 | strbuf_grow(sb, linelen + indent + 20); | |
415792ed RS |
1655 | if (indent) |
1656 | strbuf_addchars(sb, ' ', indent); | |
93fc05eb JS |
1657 | strbuf_add(sb, line, linelen); |
1658 | strbuf_addch(sb, '\n'); | |
1659 | } | |
1660 | } | |
1661 | ||
10f2fbff | 1662 | void pretty_print_commit(struct pretty_print_context *pp, |
6bf13944 JK |
1663 | const struct commit *commit, |
1664 | struct strbuf *sb) | |
93fc05eb JS |
1665 | { |
1666 | unsigned long beginning_of_body; | |
1667 | int indent = 4; | |
dd0d388c | 1668 | const char *msg; |
b000c59b | 1669 | const char *reencoded; |
93fc05eb | 1670 | const char *encoding; |
6bf13944 | 1671 | int need_8bit_cte = pp->need_8bit_cte; |
93fc05eb | 1672 | |
6bf13944 JK |
1673 | if (pp->fmt == CMIT_FMT_USERFORMAT) { |
1674 | format_commit_message(commit, user_format, sb, pp); | |
93fc05eb JS |
1675 | return; |
1676 | } | |
1677 | ||
e297cf5a | 1678 | encoding = get_log_output_encoding(); |
5a10d236 | 1679 | msg = reencoded = logmsg_reencode(commit, NULL, encoding); |
93fc05eb | 1680 | |
6bf13944 | 1681 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
93fc05eb JS |
1682 | indent = 0; |
1683 | ||
6bf4f1b4 JH |
1684 | /* |
1685 | * We need to check and emit Content-type: to mark it | |
1686 | * as 8-bit if we haven't done so. | |
93fc05eb | 1687 | */ |
6bf13944 | 1688 | if (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) { |
93fc05eb JS |
1689 | int i, ch, in_body; |
1690 | ||
1691 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
1692 | if (!in_body) { | |
1693 | /* author could be non 7-bit ASCII but | |
1694 | * the log may be so; skip over the | |
1695 | * header part first. | |
1696 | */ | |
1697 | if (ch == '\n' && msg[i+1] == '\n') | |
1698 | in_body = 1; | |
1699 | } | |
1700 | else if (non_ascii(ch)) { | |
6bf4f1b4 | 1701 | need_8bit_cte = 1; |
93fc05eb JS |
1702 | break; |
1703 | } | |
1704 | } | |
1705 | } | |
1706 | ||
6bf13944 JK |
1707 | pp_header(pp, encoding, commit, &msg, sb); |
1708 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) { | |
93fc05eb JS |
1709 | strbuf_addch(sb, '\n'); |
1710 | } | |
1711 | ||
1712 | /* Skip excess blank lines at the beginning of body, if any... */ | |
a0109668 | 1713 | msg = skip_empty_lines(msg); |
93fc05eb JS |
1714 | |
1715 | /* These formats treat the title line specially. */ | |
6bf13944 JK |
1716 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
1717 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); | |
93fc05eb JS |
1718 | |
1719 | beginning_of_body = sb->len; | |
6bf13944 JK |
1720 | if (pp->fmt != CMIT_FMT_ONELINE) |
1721 | pp_remainder(pp, &msg, sb, indent); | |
93fc05eb JS |
1722 | strbuf_rtrim(sb); |
1723 | ||
1724 | /* Make sure there is an EOLN for the non-oneline case */ | |
6bf13944 | 1725 | if (pp->fmt != CMIT_FMT_ONELINE) |
93fc05eb JS |
1726 | strbuf_addch(sb, '\n'); |
1727 | ||
1728 | /* | |
1729 | * The caller may append additional body text in e-mail | |
1730 | * format. Make sure we did not strip the blank line | |
1731 | * between the header and the body. | |
1732 | */ | |
6bf13944 | 1733 | if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body) |
93fc05eb | 1734 | strbuf_addch(sb, '\n'); |
a97a7468 | 1735 | |
b66103c3 | 1736 | unuse_commit_buffer(commit, reencoded); |
93fc05eb | 1737 | } |
8b8a5374 JK |
1738 | |
1739 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
1740 | struct strbuf *sb) | |
1741 | { | |
1742 | struct pretty_print_context pp = {0}; | |
6bf13944 JK |
1743 | pp.fmt = fmt; |
1744 | pretty_print_commit(&pp, commit, sb); | |
8b8a5374 | 1745 | } |