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Commit | Line | Data |
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93fc05eb | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
93fc05eb | 3 | #include "commit.h" |
93fc05eb JS |
4 | #include "utf8.h" |
5 | #include "diff.h" | |
6 | #include "revision.h" | |
c455c87c | 7 | #include "string-list.h" |
e0cbc397 | 8 | #include "mailmap.h" |
3b3d443f | 9 | #include "log-tree.h" |
a97a7468 | 10 | #include "notes.h" |
c002922a | 11 | #include "color.h" |
8f8f5476 | 12 | #include "reflog-walk.h" |
f6667c5e | 13 | #include "gpg-interface.h" |
d9f31fbf | 14 | #include "trailer.h" |
93fc05eb | 15 | |
93fc05eb | 16 | static char *user_format; |
40957891 WP |
17 | static struct cmt_fmt_map { |
18 | const char *name; | |
19 | enum cmit_fmt format; | |
20 | int is_tformat; | |
0893eec8 | 21 | int expand_tabs_in_log; |
2d7671ef WP |
22 | int is_alias; |
23 | const char *user_format; | |
40957891 | 24 | } *commit_formats; |
8028184e | 25 | static size_t builtin_formats_len; |
40957891 | 26 | static size_t commit_formats_len; |
8028184e | 27 | static size_t commit_formats_alloc; |
40957891 | 28 | static struct cmt_fmt_map *find_commit_format(const char *sought); |
93fc05eb | 29 | |
b9c7d6e4 JK |
30 | int commit_format_is_empty(enum cmit_fmt fmt) |
31 | { | |
32 | return fmt == CMIT_FMT_USERFORMAT && !*user_format; | |
33 | } | |
34 | ||
36407548 NS |
35 | static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) |
36 | { | |
37 | free(user_format); | |
38 | user_format = xstrdup(cp); | |
39 | if (is_tformat) | |
40 | rev->use_terminator = 1; | |
41 | rev->commit_format = CMIT_FMT_USERFORMAT; | |
42 | } | |
43 | ||
8028184e | 44 | static int git_pretty_formats_config(const char *var, const char *value, void *cb) |
93fc05eb | 45 | { |
8028184e WP |
46 | struct cmt_fmt_map *commit_format = NULL; |
47 | const char *name; | |
48 | const char *fmt; | |
93fc05eb | 49 | int i; |
8028184e | 50 | |
95b567c7 | 51 | if (!skip_prefix(var, "pretty.", &name)) |
8028184e WP |
52 | return 0; |
53 | ||
8028184e WP |
54 | for (i = 0; i < builtin_formats_len; i++) { |
55 | if (!strcmp(commit_formats[i].name, name)) | |
56 | return 0; | |
57 | } | |
58 | ||
59 | for (i = builtin_formats_len; i < commit_formats_len; i++) { | |
60 | if (!strcmp(commit_formats[i].name, name)) { | |
61 | commit_format = &commit_formats[i]; | |
62 | break; | |
63 | } | |
64 | } | |
65 | ||
66 | if (!commit_format) { | |
67 | ALLOC_GROW(commit_formats, commit_formats_len+1, | |
68 | commit_formats_alloc); | |
69 | commit_format = &commit_formats[commit_formats_len]; | |
95a2618f | 70 | memset(commit_format, 0, sizeof(*commit_format)); |
8028184e WP |
71 | commit_formats_len++; |
72 | } | |
73 | ||
74 | commit_format->name = xstrdup(name); | |
75 | commit_format->format = CMIT_FMT_USERFORMAT; | |
a26bc613 TA |
76 | if (git_config_string(&fmt, var, value)) |
77 | return -1; | |
78 | ||
e3f1da98 RS |
79 | if (skip_prefix(fmt, "format:", &fmt)) |
80 | commit_format->is_tformat = 0; | |
81 | else if (skip_prefix(fmt, "tformat:", &fmt) || strchr(fmt, '%')) | |
8028184e WP |
82 | commit_format->is_tformat = 1; |
83 | else | |
84 | commit_format->is_alias = 1; | |
85 | commit_format->user_format = fmt; | |
86 | ||
87 | return 0; | |
88 | } | |
89 | ||
40957891 | 90 | static void setup_commit_formats(void) |
93fc05eb | 91 | { |
40957891 | 92 | struct cmt_fmt_map builtin_formats[] = { |
0893eec8 | 93 | { "raw", CMIT_FMT_RAW, 0, 0 }, |
fe37a9c5 | 94 | { "medium", CMIT_FMT_MEDIUM, 0, 8 }, |
0893eec8 JH |
95 | { "short", CMIT_FMT_SHORT, 0, 0 }, |
96 | { "email", CMIT_FMT_EMAIL, 0, 0 }, | |
9f23e040 | 97 | { "mboxrd", CMIT_FMT_MBOXRD, 0, 0 }, |
fe37a9c5 JH |
98 | { "fuller", CMIT_FMT_FULLER, 0, 8 }, |
99 | { "full", CMIT_FMT_FULL, 0, 8 }, | |
0893eec8 | 100 | { "oneline", CMIT_FMT_ONELINE, 1, 0 } |
4da45bef | 101 | }; |
40957891 | 102 | commit_formats_len = ARRAY_SIZE(builtin_formats); |
8028184e WP |
103 | builtin_formats_len = commit_formats_len; |
104 | ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); | |
40957891 WP |
105 | memcpy(commit_formats, builtin_formats, |
106 | sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats)); | |
8028184e WP |
107 | |
108 | git_config(git_pretty_formats_config, NULL); | |
40957891 WP |
109 | } |
110 | ||
2d7671ef WP |
111 | static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, |
112 | const char *original, | |
113 | int num_redirections) | |
40957891 WP |
114 | { |
115 | struct cmt_fmt_map *found = NULL; | |
116 | size_t found_match_len = 0; | |
117 | int i; | |
118 | ||
2d7671ef WP |
119 | if (num_redirections >= commit_formats_len) |
120 | die("invalid --pretty format: " | |
121 | "'%s' references an alias which points to itself", | |
122 | original); | |
40957891 WP |
123 | |
124 | for (i = 0; i < commit_formats_len; i++) { | |
125 | size_t match_len; | |
126 | ||
59556548 | 127 | if (!starts_with(commit_formats[i].name, sought)) |
40957891 WP |
128 | continue; |
129 | ||
130 | match_len = strlen(commit_formats[i].name); | |
131 | if (found == NULL || found_match_len > match_len) { | |
132 | found = &commit_formats[i]; | |
133 | found_match_len = match_len; | |
134 | } | |
135 | } | |
2d7671ef WP |
136 | |
137 | if (found && found->is_alias) { | |
138 | found = find_commit_format_recursive(found->user_format, | |
139 | original, | |
140 | num_redirections+1); | |
141 | } | |
142 | ||
40957891 WP |
143 | return found; |
144 | } | |
145 | ||
2d7671ef WP |
146 | static struct cmt_fmt_map *find_commit_format(const char *sought) |
147 | { | |
148 | if (!commit_formats) | |
149 | setup_commit_formats(); | |
150 | ||
151 | return find_commit_format_recursive(sought, sought, 0); | |
152 | } | |
153 | ||
40957891 WP |
154 | void get_commit_format(const char *arg, struct rev_info *rev) |
155 | { | |
156 | struct cmt_fmt_map *commit_format; | |
93fc05eb | 157 | |
4da45bef | 158 | rev->use_terminator = 0; |
c75e7ad2 | 159 | if (!arg) { |
4da45bef JH |
160 | rev->commit_format = CMIT_FMT_DEFAULT; |
161 | return; | |
162 | } | |
e3f1da98 RS |
163 | if (skip_prefix(arg, "format:", &arg)) { |
164 | save_user_format(rev, arg, 0); | |
4da45bef | 165 | return; |
93fc05eb | 166 | } |
40957891 | 167 | |
e3f1da98 | 168 | if (!*arg || skip_prefix(arg, "tformat:", &arg) || strchr(arg, '%')) { |
36407548 NS |
169 | save_user_format(rev, arg, 1); |
170 | return; | |
171 | } | |
93fc05eb | 172 | |
40957891 WP |
173 | commit_format = find_commit_format(arg); |
174 | if (!commit_format) | |
175 | die("invalid --pretty format: %s", arg); | |
176 | ||
177 | rev->commit_format = commit_format->format; | |
178 | rev->use_terminator = commit_format->is_tformat; | |
0893eec8 | 179 | rev->expand_tabs_in_log_default = commit_format->expand_tabs_in_log; |
8028184e WP |
180 | if (commit_format->format == CMIT_FMT_USERFORMAT) { |
181 | save_user_format(rev, commit_format->user_format, | |
182 | commit_format->is_tformat); | |
183 | } | |
93fc05eb JS |
184 | } |
185 | ||
186 | /* | |
187 | * Generic support for pretty-printing the header | |
188 | */ | |
189 | static int get_one_line(const char *msg) | |
190 | { | |
191 | int ret = 0; | |
192 | ||
193 | for (;;) { | |
194 | char c = *msg++; | |
195 | if (!c) | |
196 | break; | |
197 | ret++; | |
198 | if (c == '\n') | |
199 | break; | |
200 | } | |
201 | return ret; | |
202 | } | |
203 | ||
204 | /* High bit set, or ISO-2022-INT */ | |
cc571142 | 205 | static int non_ascii(int ch) |
93fc05eb | 206 | { |
c2e9364a | 207 | return !isascii(ch) || ch == '\033'; |
93fc05eb JS |
208 | } |
209 | ||
28e9cf65 JS |
210 | int has_non_ascii(const char *s) |
211 | { | |
212 | int ch; | |
213 | if (!s) | |
214 | return 0; | |
215 | while ((ch = *s++) != '\0') { | |
216 | if (non_ascii(ch)) | |
217 | return 1; | |
218 | } | |
219 | return 0; | |
220 | } | |
221 | ||
4d03c18a JK |
222 | static int is_rfc822_special(char ch) |
223 | { | |
224 | switch (ch) { | |
225 | case '(': | |
226 | case ')': | |
227 | case '<': | |
228 | case '>': | |
229 | case '[': | |
230 | case ']': | |
231 | case ':': | |
232 | case ';': | |
233 | case '@': | |
234 | case ',': | |
235 | case '.': | |
236 | case '"': | |
237 | case '\\': | |
238 | return 1; | |
239 | default: | |
240 | return 0; | |
241 | } | |
242 | } | |
243 | ||
41dd00ba | 244 | static int needs_rfc822_quoting(const char *s, int len) |
4d03c18a JK |
245 | { |
246 | int i; | |
247 | for (i = 0; i < len; i++) | |
248 | if (is_rfc822_special(s[i])) | |
249 | return 1; | |
250 | return 0; | |
251 | } | |
252 | ||
f9b7204b JS |
253 | static int last_line_length(struct strbuf *sb) |
254 | { | |
255 | int i; | |
256 | ||
257 | /* How many bytes are already used on the last line? */ | |
258 | for (i = sb->len - 1; i >= 0; i--) | |
259 | if (sb->buf[i] == '\n') | |
260 | break; | |
261 | return sb->len - (i + 1); | |
262 | } | |
263 | ||
4d03c18a JK |
264 | static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) |
265 | { | |
266 | int i; | |
267 | ||
268 | /* just a guess, we may have to also backslash-quote */ | |
269 | strbuf_grow(out, len + 2); | |
270 | ||
271 | strbuf_addch(out, '"'); | |
272 | for (i = 0; i < len; i++) { | |
273 | switch (s[i]) { | |
274 | case '"': | |
275 | case '\\': | |
276 | strbuf_addch(out, '\\'); | |
277 | /* fall through */ | |
278 | default: | |
279 | strbuf_addch(out, s[i]); | |
280 | } | |
281 | } | |
282 | strbuf_addch(out, '"'); | |
283 | } | |
284 | ||
0fcec2ce JS |
285 | enum rfc2047_type { |
286 | RFC2047_SUBJECT, | |
78273520 | 287 | RFC2047_ADDRESS |
0fcec2ce JS |
288 | }; |
289 | ||
290 | static int is_rfc2047_special(char ch, enum rfc2047_type type) | |
93fc05eb | 291 | { |
0fcec2ce JS |
292 | /* |
293 | * rfc2047, section 4.2: | |
294 | * | |
295 | * 8-bit values which correspond to printable ASCII characters other | |
296 | * than "=", "?", and "_" (underscore), MAY be represented as those | |
297 | * characters. (But see section 5 for restrictions.) In | |
298 | * particular, SPACE and TAB MUST NOT be represented as themselves | |
299 | * within encoded words. | |
300 | */ | |
301 | ||
302 | /* | |
303 | * rule out non-ASCII characters and non-printable characters (the | |
304 | * non-ASCII check should be redundant as isprint() is not localized | |
305 | * and only knows about ASCII, but be defensive about that) | |
306 | */ | |
307 | if (non_ascii(ch) || !isprint(ch)) | |
308 | return 1; | |
309 | ||
310 | /* | |
311 | * rule out special printable characters (' ' should be the only | |
312 | * whitespace character considered printable, but be defensive and use | |
313 | * isspace()) | |
314 | */ | |
315 | if (isspace(ch) || ch == '=' || ch == '?' || ch == '_') | |
94f6cdf6 JS |
316 | return 1; |
317 | ||
0fcec2ce JS |
318 | /* |
319 | * rfc2047, section 5.3: | |
320 | * | |
321 | * As a replacement for a 'word' entity within a 'phrase', for example, | |
322 | * one that precedes an address in a From, To, or Cc header. The ABNF | |
323 | * definition for 'phrase' from RFC 822 thus becomes: | |
324 | * | |
325 | * phrase = 1*( encoded-word / word ) | |
326 | * | |
327 | * In this case the set of characters that may be used in a "Q"-encoded | |
328 | * 'encoded-word' is restricted to: <upper and lower case ASCII | |
329 | * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" | |
330 | * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a | |
331 | * 'phrase' MUST be separated from any adjacent 'word', 'text' or | |
332 | * 'special' by 'linear-white-space'. | |
333 | */ | |
334 | ||
335 | if (type != RFC2047_ADDRESS) | |
336 | return 0; | |
337 | ||
338 | /* '=' and '_' are special cases and have been checked above */ | |
339 | return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/'); | |
93fc05eb JS |
340 | } |
341 | ||
41dd00ba JS |
342 | static int needs_rfc2047_encoding(const char *line, int len, |
343 | enum rfc2047_type type) | |
93fc05eb | 344 | { |
a1f6baa5 | 345 | int i; |
93fc05eb JS |
346 | |
347 | for (i = 0; i < len; i++) { | |
348 | int ch = line[i]; | |
c22e7de3 | 349 | if (non_ascii(ch) || ch == '\n') |
41dd00ba | 350 | return 1; |
93fc05eb | 351 | if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) |
41dd00ba | 352 | return 1; |
93fc05eb | 353 | } |
93fc05eb | 354 | |
41dd00ba JS |
355 | return 0; |
356 | } | |
357 | ||
6cd3c053 | 358 | static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, |
41dd00ba JS |
359 | const char *encoding, enum rfc2047_type type) |
360 | { | |
361 | static const int max_encoded_length = 76; /* per rfc2047 */ | |
362 | int i; | |
363 | int line_len = last_line_length(sb); | |
364 | ||
93fc05eb JS |
365 | strbuf_grow(sb, len * 3 + strlen(encoding) + 100); |
366 | strbuf_addf(sb, "=?%s?q?", encoding); | |
a1f6baa5 | 367 | line_len += strlen(encoding) + 5; /* 5 for =??q? */ |
6cd3c053 KS |
368 | |
369 | while (len) { | |
370 | /* | |
371 | * RFC 2047, section 5 (3): | |
372 | * | |
373 | * Each 'encoded-word' MUST represent an integral number of | |
374 | * characters. A multi-octet character may not be split across | |
375 | * adjacent 'encoded- word's. | |
376 | */ | |
377 | const unsigned char *p = (const unsigned char *)line; | |
378 | int chrlen = mbs_chrlen(&line, &len, encoding); | |
379 | int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); | |
380 | ||
381 | /* "=%02X" * chrlen, or the byte itself */ | |
382 | const char *encoded_fmt = is_special ? "=%02X" : "%c"; | |
383 | int encoded_len = is_special ? 3 * chrlen : 1; | |
94f6cdf6 JS |
384 | |
385 | /* | |
386 | * According to RFC 2047, we could encode the special character | |
387 | * ' ' (space) with '_' (underscore) for readability. But many | |
388 | * programs do not understand this and just leave the | |
389 | * underscore in place. Thus, we do nothing special here, which | |
390 | * causes ' ' to be encoded as '=20', avoiding this problem. | |
391 | */ | |
a1f6baa5 | 392 | |
6cd3c053 KS |
393 | if (line_len + encoded_len + 2 > max_encoded_length) { |
394 | /* It won't fit with trailing "?=" --- break the line */ | |
a1f6baa5 JK |
395 | strbuf_addf(sb, "?=\n =?%s?q?", encoding); |
396 | line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ | |
397 | } | |
398 | ||
6cd3c053 KS |
399 | for (i = 0; i < chrlen; i++) |
400 | strbuf_addf(sb, encoded_fmt, p[i]); | |
401 | line_len += encoded_len; | |
93fc05eb | 402 | } |
93fc05eb JS |
403 | strbuf_addstr(sb, "?="); |
404 | } | |
405 | ||
d1053246 | 406 | const char *show_ident_date(const struct ident_split *ident, |
a5481a6c | 407 | const struct date_mode *mode) |
9dbe7c3d | 408 | { |
dddbad72 | 409 | timestamp_t date = 0; |
3f419d45 | 410 | long tz = 0; |
9dbe7c3d RS |
411 | |
412 | if (ident->date_begin && ident->date_end) | |
1aeb7e75 | 413 | date = parse_timestamp(ident->date_begin, NULL, 10); |
1dca155f JK |
414 | if (date_overflows(date)) |
415 | date = 0; | |
416 | else { | |
417 | if (ident->tz_begin && ident->tz_end) | |
418 | tz = strtol(ident->tz_begin, NULL, 10); | |
3f419d45 | 419 | if (tz >= INT_MAX || tz <= INT_MIN) |
1dca155f JK |
420 | tz = 0; |
421 | } | |
9dbe7c3d RS |
422 | return show_date(date, tz, mode); |
423 | } | |
424 | ||
10f2fbff | 425 | void pp_user_info(struct pretty_print_context *pp, |
6bf13944 JK |
426 | const char *what, struct strbuf *sb, |
427 | const char *line, const char *encoding) | |
93fc05eb | 428 | { |
3c020bd5 | 429 | struct ident_split ident; |
9dbe7c3d | 430 | char *line_end; |
dffd325f AP |
431 | const char *mailbuf, *namebuf; |
432 | size_t namelen, maillen; | |
41dd00ba | 433 | int max_length = 78; /* per rfc2822 */ |
93fc05eb | 434 | |
6bf13944 | 435 | if (pp->fmt == CMIT_FMT_ONELINE) |
93fc05eb | 436 | return; |
3c020bd5 | 437 | |
30e77bcb RS |
438 | line_end = strchrnul(line, '\n'); |
439 | if (split_ident_line(&ident, line, line_end - line)) | |
93fc05eb | 440 | return; |
3c020bd5 | 441 | |
dffd325f AP |
442 | mailbuf = ident.mail_begin; |
443 | maillen = ident.mail_end - ident.mail_begin; | |
444 | namebuf = ident.name_begin; | |
445 | namelen = ident.name_end - ident.name_begin; | |
446 | ||
447 | if (pp->mailmap) | |
448 | map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); | |
449 | ||
9f23e040 | 450 | if (cmit_fmt_is_mail(pp->fmt)) { |
662cc30c | 451 | if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { |
a9080475 JK |
452 | struct strbuf buf = STRBUF_INIT; |
453 | ||
454 | strbuf_addstr(&buf, "From: "); | |
455 | strbuf_add(&buf, namebuf, namelen); | |
456 | strbuf_addstr(&buf, " <"); | |
457 | strbuf_add(&buf, mailbuf, maillen); | |
458 | strbuf_addstr(&buf, ">\n"); | |
459 | string_list_append(&pp->in_body_headers, | |
460 | strbuf_detach(&buf, NULL)); | |
461 | ||
462 | mailbuf = pp->from_ident->mail_begin; | |
463 | maillen = pp->from_ident->mail_end - mailbuf; | |
464 | namebuf = pp->from_ident->name_begin; | |
465 | namelen = pp->from_ident->name_end - namebuf; | |
466 | } | |
467 | ||
93fc05eb | 468 | strbuf_addstr(sb, "From: "); |
a0511b39 RS |
469 | if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) { |
470 | add_rfc2047(sb, namebuf, namelen, | |
dffd325f | 471 | encoding, RFC2047_ADDRESS); |
41dd00ba | 472 | max_length = 76; /* per rfc2047 */ |
a0511b39 | 473 | } else if (needs_rfc822_quoting(namebuf, namelen)) { |
4d03c18a | 474 | struct strbuf quoted = STRBUF_INIT; |
a0511b39 | 475 | add_rfc822_quoted("ed, namebuf, namelen); |
41dd00ba JS |
476 | strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, |
477 | -6, 1, max_length); | |
4d03c18a | 478 | strbuf_release("ed); |
41dd00ba | 479 | } else { |
a0511b39 | 480 | strbuf_add_wrapped_bytes(sb, namebuf, namelen, |
dffd325f | 481 | -6, 1, max_length); |
4d03c18a | 482 | } |
dffd325f | 483 | |
97a17e77 RS |
484 | if (max_length < |
485 | last_line_length(sb) + strlen(" <") + maillen + strlen(">")) | |
486 | strbuf_addch(sb, '\n'); | |
a0511b39 | 487 | strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); |
93fc05eb | 488 | } else { |
a0511b39 RS |
489 | strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, |
490 | (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", | |
491 | (int)namelen, namebuf, (int)maillen, mailbuf); | |
93fc05eb | 492 | } |
dffd325f | 493 | |
6bf13944 | 494 | switch (pp->fmt) { |
93fc05eb | 495 | case CMIT_FMT_MEDIUM: |
9dbe7c3d | 496 | strbuf_addf(sb, "Date: %s\n", |
a5481a6c | 497 | show_ident_date(&ident, &pp->date_mode)); |
93fc05eb JS |
498 | break; |
499 | case CMIT_FMT_EMAIL: | |
9f23e040 | 500 | case CMIT_FMT_MBOXRD: |
9dbe7c3d | 501 | strbuf_addf(sb, "Date: %s\n", |
a5481a6c | 502 | show_ident_date(&ident, DATE_MODE(RFC2822))); |
93fc05eb JS |
503 | break; |
504 | case CMIT_FMT_FULLER: | |
9dbe7c3d | 505 | strbuf_addf(sb, "%sDate: %s\n", what, |
a5481a6c | 506 | show_ident_date(&ident, &pp->date_mode)); |
93fc05eb JS |
507 | break; |
508 | default: | |
509 | /* notin' */ | |
510 | break; | |
511 | } | |
512 | } | |
513 | ||
77356122 | 514 | static int is_blank_line(const char *line, int *len_p) |
93fc05eb JS |
515 | { |
516 | int len = *len_p; | |
35b2fa5b | 517 | while (len && isspace(line[len - 1])) |
93fc05eb JS |
518 | len--; |
519 | *len_p = len; | |
520 | return !len; | |
521 | } | |
522 | ||
77356122 | 523 | const char *skip_blank_lines(const char *msg) |
a0109668 RS |
524 | { |
525 | for (;;) { | |
526 | int linelen = get_one_line(msg); | |
527 | int ll = linelen; | |
528 | if (!linelen) | |
529 | break; | |
77356122 | 530 | if (!is_blank_line(msg, &ll)) |
a0109668 RS |
531 | break; |
532 | msg += linelen; | |
533 | } | |
534 | return msg; | |
535 | } | |
536 | ||
6bf13944 JK |
537 | static void add_merge_info(const struct pretty_print_context *pp, |
538 | struct strbuf *sb, const struct commit *commit) | |
93fc05eb JS |
539 | { |
540 | struct commit_list *parent = commit->parents; | |
541 | ||
9f23e040 | 542 | if ((pp->fmt == CMIT_FMT_ONELINE) || (cmit_fmt_is_mail(pp->fmt)) || |
93fc05eb JS |
543 | !parent || !parent->next) |
544 | return; | |
545 | ||
546 | strbuf_addstr(sb, "Merge:"); | |
547 | ||
548 | while (parent) { | |
a94bb683 RS |
549 | struct object_id *oidp = &parent->item->object.oid; |
550 | strbuf_addch(sb, ' '); | |
6bf13944 | 551 | if (pp->abbrev) |
30e677e0 | 552 | strbuf_add_unique_abbrev(sb, oidp, pp->abbrev); |
a94bb683 RS |
553 | else |
554 | strbuf_addstr(sb, oid_to_hex(oidp)); | |
93fc05eb | 555 | parent = parent->next; |
93fc05eb JS |
556 | } |
557 | strbuf_addch(sb, '\n'); | |
558 | } | |
559 | ||
fe6eb7f2 | 560 | static char *get_header(const char *msg, const char *key) |
93fc05eb | 561 | { |
fe6eb7f2 JK |
562 | size_t len; |
563 | const char *v = find_commit_header(msg, key, &len); | |
564 | return v ? xmemdupz(v, len) : NULL; | |
93fc05eb JS |
565 | } |
566 | ||
567 | static char *replace_encoding_header(char *buf, const char *encoding) | |
568 | { | |
f285a2d7 | 569 | struct strbuf tmp = STRBUF_INIT; |
93fc05eb JS |
570 | size_t start, len; |
571 | char *cp = buf; | |
572 | ||
573 | /* guess if there is an encoding header before a \n\n */ | |
68d6d6eb | 574 | while (!starts_with(cp, "encoding ")) { |
93fc05eb JS |
575 | cp = strchr(cp, '\n'); |
576 | if (!cp || *++cp == '\n') | |
577 | return buf; | |
578 | } | |
579 | start = cp - buf; | |
580 | cp = strchr(cp, '\n'); | |
581 | if (!cp) | |
582 | return buf; /* should not happen but be defensive */ | |
583 | len = cp + 1 - (buf + start); | |
584 | ||
93fc05eb JS |
585 | strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); |
586 | if (is_encoding_utf8(encoding)) { | |
587 | /* we have re-coded to UTF-8; drop the header */ | |
588 | strbuf_remove(&tmp, start, len); | |
589 | } else { | |
590 | /* just replaces XXXX in 'encoding XXXX\n' */ | |
591 | strbuf_splice(&tmp, start + strlen("encoding "), | |
592 | len - strlen("encoding \n"), | |
593 | encoding, strlen(encoding)); | |
594 | } | |
595 | return strbuf_detach(&tmp, NULL); | |
596 | } | |
597 | ||
b000c59b JK |
598 | const char *logmsg_reencode(const struct commit *commit, |
599 | char **commit_encoding, | |
600 | const char *output_encoding) | |
93fc05eb | 601 | { |
330db18c | 602 | static const char *utf8 = "UTF-8"; |
93fc05eb JS |
603 | const char *use_encoding; |
604 | char *encoding; | |
8597ea3a | 605 | const char *msg = get_commit_buffer(commit, NULL); |
93fc05eb JS |
606 | char *out; |
607 | ||
5a10d236 NTND |
608 | if (!output_encoding || !*output_encoding) { |
609 | if (commit_encoding) | |
fe6eb7f2 | 610 | *commit_encoding = get_header(msg, "encoding"); |
dd0d388c | 611 | return msg; |
5a10d236 | 612 | } |
fe6eb7f2 | 613 | encoding = get_header(msg, "encoding"); |
5a10d236 NTND |
614 | if (commit_encoding) |
615 | *commit_encoding = encoding; | |
93fc05eb | 616 | use_encoding = encoding ? encoding : utf8; |
be5c9fb9 JK |
617 | if (same_encoding(use_encoding, output_encoding)) { |
618 | /* | |
619 | * No encoding work to be done. If we have no encoding header | |
620 | * at all, then there's nothing to do, and we can return the | |
621 | * message verbatim (whether newly allocated or not). | |
622 | */ | |
623 | if (!encoding) | |
624 | return msg; | |
625 | ||
626 | /* | |
627 | * Otherwise, we still want to munge the encoding header in the | |
628 | * result, which will be done by modifying the buffer. If we | |
629 | * are using a fresh copy, we can reuse it. But if we are using | |
b66103c3 JK |
630 | * the cached copy from get_commit_buffer, we need to duplicate it |
631 | * to avoid munging the cached copy. | |
be5c9fb9 | 632 | */ |
3ce85f7e | 633 | if (msg == get_cached_commit_buffer(the_repository, commit, NULL)) |
b66103c3 JK |
634 | out = xstrdup(msg); |
635 | else | |
636 | out = (char *)msg; | |
be5c9fb9 JK |
637 | } |
638 | else { | |
639 | /* | |
640 | * There's actual encoding work to do. Do the reencoding, which | |
641 | * still leaves the header to be replaced in the next step. At | |
642 | * this point, we are done with msg. If we allocated a fresh | |
643 | * copy, we can free it. | |
644 | */ | |
645 | out = reencode_string(msg, output_encoding, use_encoding); | |
b66103c3 JK |
646 | if (out) |
647 | unuse_commit_buffer(commit, msg); | |
be5c9fb9 JK |
648 | } |
649 | ||
650 | /* | |
651 | * This replacement actually consumes the buffer we hand it, so we do | |
652 | * not have to worry about freeing the old "out" here. | |
653 | */ | |
93fc05eb JS |
654 | if (out) |
655 | out = replace_encoding_header(out, output_encoding); | |
656 | ||
5a10d236 NTND |
657 | if (!commit_encoding) |
658 | free(encoding); | |
dd0d388c JK |
659 | /* |
660 | * If the re-encoding failed, out might be NULL here; in that | |
661 | * case we just return the commit message verbatim. | |
662 | */ | |
663 | return out ? out : msg; | |
664 | } | |
665 | ||
ea02ffa3 AP |
666 | static int mailmap_name(const char **email, size_t *email_len, |
667 | const char **name, size_t *name_len) | |
e0cbc397 | 668 | { |
c455c87c | 669 | static struct string_list *mail_map; |
e0cbc397 JS |
670 | if (!mail_map) { |
671 | mail_map = xcalloc(1, sizeof(*mail_map)); | |
d551a488 | 672 | read_mailmap(mail_map, NULL); |
e0cbc397 | 673 | } |
d20d654f | 674 | return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); |
e0cbc397 JS |
675 | } |
676 | ||
c3a670de | 677 | static size_t format_person_part(struct strbuf *sb, char part, |
a5481a6c JK |
678 | const char *msg, int len, |
679 | const struct date_mode *dmode) | |
93fc05eb | 680 | { |
c3a670de MC |
681 | /* currently all placeholders have same length */ |
682 | const int placeholder_len = 2; | |
4b340cfa | 683 | struct ident_split s; |
ea02ffa3 AP |
684 | const char *name, *mail; |
685 | size_t maillen, namelen; | |
93fc05eb | 686 | |
4b340cfa | 687 | if (split_ident_line(&s, msg, len) < 0) |
c3a670de MC |
688 | goto skip; |
689 | ||
ea02ffa3 AP |
690 | name = s.name_begin; |
691 | namelen = s.name_end - s.name_begin; | |
692 | mail = s.mail_begin; | |
693 | maillen = s.mail_end - s.mail_begin; | |
694 | ||
695 | if (part == 'N' || part == 'E') /* mailmap lookup */ | |
696 | mailmap_name(&mail, &maillen, &name, &namelen); | |
e0cbc397 | 697 | if (part == 'n' || part == 'N') { /* name */ |
ea02ffa3 | 698 | strbuf_add(sb, name, namelen); |
c3a670de | 699 | return placeholder_len; |
cde75e59 | 700 | } |
d20d654f | 701 | if (part == 'e' || part == 'E') { /* email */ |
ea02ffa3 | 702 | strbuf_add(sb, mail, maillen); |
c3a670de | 703 | return placeholder_len; |
cde75e59 | 704 | } |
93fc05eb | 705 | |
4b340cfa | 706 | if (!s.date_begin) |
c3a670de | 707 | goto skip; |
93fc05eb | 708 | |
cde75e59 | 709 | if (part == 't') { /* date, UNIX timestamp */ |
4b340cfa | 710 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
c3a670de | 711 | return placeholder_len; |
cde75e59 | 712 | } |
93fc05eb | 713 | |
cde75e59 RS |
714 | switch (part) { |
715 | case 'd': /* date */ | |
9dbe7c3d | 716 | strbuf_addstr(sb, show_ident_date(&s, dmode)); |
c3a670de | 717 | return placeholder_len; |
cde75e59 | 718 | case 'D': /* date, RFC2822 style */ |
a5481a6c | 719 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RFC2822))); |
c3a670de | 720 | return placeholder_len; |
cde75e59 | 721 | case 'r': /* date, relative */ |
a5481a6c | 722 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RELATIVE))); |
c3a670de | 723 | return placeholder_len; |
466fb674 | 724 | case 'i': /* date, ISO 8601-like */ |
a5481a6c | 725 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601))); |
c3a670de | 726 | return placeholder_len; |
466fb674 | 727 | case 'I': /* date, ISO 8601 strict */ |
a5481a6c | 728 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601_STRICT))); |
466fb674 | 729 | return placeholder_len; |
cde75e59 | 730 | } |
c3a670de MC |
731 | |
732 | skip: | |
733 | /* | |
4b340cfa JH |
734 | * reading from either a bogus commit, or a reflog entry with |
735 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
736 | * to compute a valid return value. | |
c3a670de MC |
737 | */ |
738 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
739 | || part == 'D' || part == 'r' || part == 'i') | |
740 | return placeholder_len; | |
741 | ||
742 | return 0; /* unknown placeholder */ | |
93fc05eb JS |
743 | } |
744 | ||
f29d5958 RS |
745 | struct chunk { |
746 | size_t off; | |
747 | size_t len; | |
748 | }; | |
749 | ||
a5752342 NTND |
750 | enum flush_type { |
751 | no_flush, | |
752 | flush_right, | |
753 | flush_left, | |
1640632b | 754 | flush_left_and_steal, |
a5752342 NTND |
755 | flush_both |
756 | }; | |
757 | ||
a7f01c6b NTND |
758 | enum trunc_type { |
759 | trunc_none, | |
760 | trunc_left, | |
761 | trunc_middle, | |
762 | trunc_right | |
763 | }; | |
764 | ||
f29d5958 RS |
765 | struct format_commit_context { |
766 | const struct commit *commit; | |
dd2e794a | 767 | const struct pretty_print_context *pretty_ctx; |
f53bd743 RS |
768 | unsigned commit_header_parsed:1; |
769 | unsigned commit_message_parsed:1; | |
ffb6d7d5 | 770 | struct signature_check signature_check; |
a5752342 | 771 | enum flush_type flush_type; |
a7f01c6b | 772 | enum trunc_type truncate; |
b000c59b | 773 | const char *message; |
0940a76d | 774 | char *commit_encoding; |
02edd56b | 775 | size_t width, indent1, indent2; |
a95f067e | 776 | int auto_color; |
a5752342 | 777 | int padding; |
f29d5958 RS |
778 | |
779 | /* These offsets are relative to the start of the commit message. */ | |
f29d5958 RS |
780 | struct chunk author; |
781 | struct chunk committer; | |
f53bd743 RS |
782 | size_t message_off; |
783 | size_t subject_off; | |
f29d5958 | 784 | size_t body_off; |
b9c62321 RS |
785 | |
786 | /* The following ones are relative to the result struct strbuf. */ | |
02edd56b | 787 | size_t wrap_start; |
f29d5958 RS |
788 | }; |
789 | ||
790 | static void parse_commit_header(struct format_commit_context *context) | |
93fc05eb | 791 | { |
177b29dc | 792 | const char *msg = context->message; |
93fc05eb | 793 | int i; |
f29d5958 | 794 | |
f53bd743 | 795 | for (i = 0; msg[i]; i++) { |
e3f1da98 | 796 | const char *name; |
f29d5958 RS |
797 | int eol; |
798 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
799 | ; /* do nothing */ | |
800 | ||
f29d5958 | 801 | if (i == eol) { |
f53bd743 | 802 | break; |
e3f1da98 RS |
803 | } else if (skip_prefix(msg + i, "author ", &name)) { |
804 | context->author.off = name - msg; | |
805 | context->author.len = msg + eol - name; | |
806 | } else if (skip_prefix(msg + i, "committer ", &name)) { | |
807 | context->committer.off = name - msg; | |
808 | context->committer.len = msg + eol - name; | |
f29d5958 RS |
809 | } |
810 | i = eol; | |
811 | } | |
f53bd743 | 812 | context->message_off = i; |
f29d5958 RS |
813 | context->commit_header_parsed = 1; |
814 | } | |
815 | ||
46d164b0 SB |
816 | static int istitlechar(char c) |
817 | { | |
818 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
819 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
820 | } | |
821 | ||
822 | static void format_sanitized_subject(struct strbuf *sb, const char *msg) | |
823 | { | |
824 | size_t trimlen; | |
871d21d4 | 825 | size_t start_len = sb->len; |
46d164b0 SB |
826 | int space = 2; |
827 | ||
828 | for (; *msg && *msg != '\n'; msg++) { | |
829 | if (istitlechar(*msg)) { | |
830 | if (space == 1) | |
831 | strbuf_addch(sb, '-'); | |
832 | space = 0; | |
833 | strbuf_addch(sb, *msg); | |
834 | if (*msg == '.') | |
835 | while (*(msg+1) == '.') | |
836 | msg++; | |
837 | } else | |
838 | space |= 1; | |
839 | } | |
840 | ||
841 | /* trim any trailing '.' or '-' characters */ | |
842 | trimlen = 0; | |
871d21d4 SB |
843 | while (sb->len - trimlen > start_len && |
844 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
845 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
46d164b0 SB |
846 | trimlen++; |
847 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
848 | } | |
849 | ||
cec08717 RS |
850 | const char *format_subject(struct strbuf *sb, const char *msg, |
851 | const char *line_separator) | |
88c44735 RS |
852 | { |
853 | int first = 1; | |
854 | ||
855 | for (;;) { | |
856 | const char *line = msg; | |
857 | int linelen = get_one_line(line); | |
858 | ||
859 | msg += linelen; | |
77356122 | 860 | if (!linelen || is_blank_line(line, &linelen)) |
88c44735 RS |
861 | break; |
862 | ||
f53bd743 RS |
863 | if (!sb) |
864 | continue; | |
88c44735 RS |
865 | strbuf_grow(sb, linelen + 2); |
866 | if (!first) | |
867 | strbuf_addstr(sb, line_separator); | |
868 | strbuf_add(sb, line, linelen); | |
869 | first = 0; | |
870 | } | |
871 | return msg; | |
872 | } | |
873 | ||
f53bd743 RS |
874 | static void parse_commit_message(struct format_commit_context *c) |
875 | { | |
177b29dc PN |
876 | const char *msg = c->message + c->message_off; |
877 | const char *start = c->message; | |
f53bd743 | 878 | |
77356122 | 879 | msg = skip_blank_lines(msg); |
f53bd743 RS |
880 | c->subject_off = msg - start; |
881 | ||
882 | msg = format_subject(NULL, msg, NULL); | |
77356122 | 883 | msg = skip_blank_lines(msg); |
f53bd743 RS |
884 | c->body_off = msg - start; |
885 | ||
886 | c->commit_message_parsed = 1; | |
887 | } | |
888 | ||
02edd56b RS |
889 | static void strbuf_wrap(struct strbuf *sb, size_t pos, |
890 | size_t width, size_t indent1, size_t indent2) | |
891 | { | |
892 | struct strbuf tmp = STRBUF_INIT; | |
893 | ||
894 | if (pos) | |
895 | strbuf_add(&tmp, sb->buf, pos); | |
896 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
897 | (int) indent1, (int) indent2, (int) width); | |
898 | strbuf_swap(&tmp, sb); | |
899 | strbuf_release(&tmp); | |
900 | } | |
901 | ||
902 | static void rewrap_message_tail(struct strbuf *sb, | |
903 | struct format_commit_context *c, | |
904 | size_t new_width, size_t new_indent1, | |
905 | size_t new_indent2) | |
906 | { | |
907 | if (c->width == new_width && c->indent1 == new_indent1 && | |
908 | c->indent2 == new_indent2) | |
909 | return; | |
32ca4249 | 910 | if (c->wrap_start < sb->len) |
02edd56b RS |
911 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
912 | c->wrap_start = sb->len; | |
913 | c->width = new_width; | |
914 | c->indent1 = new_indent1; | |
915 | c->indent2 = new_indent2; | |
916 | } | |
917 | ||
cd1957f5 JK |
918 | static int format_reflog_person(struct strbuf *sb, |
919 | char part, | |
920 | struct reflog_walk_info *log, | |
a5481a6c | 921 | const struct date_mode *dmode) |
cd1957f5 JK |
922 | { |
923 | const char *ident; | |
924 | ||
925 | if (!log) | |
926 | return 2; | |
927 | ||
928 | ident = get_reflog_ident(log); | |
929 | if (!ident) | |
930 | return 2; | |
931 | ||
932 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
933 | } | |
934 | ||
fcabc2d9 NTND |
935 | static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ |
936 | const char *placeholder, | |
937 | struct format_commit_context *c) | |
938 | { | |
e3f1da98 | 939 | const char *rest = placeholder; |
18fb7ffc | 940 | const char *basic_color = NULL; |
e3f1da98 | 941 | |
fcabc2d9 NTND |
942 | if (placeholder[1] == '(') { |
943 | const char *begin = placeholder + 2; | |
944 | const char *end = strchr(begin, ')'); | |
945 | char color[COLOR_MAXLEN]; | |
946 | ||
947 | if (!end) | |
948 | return 0; | |
18fb7ffc | 949 | |
e3f1da98 | 950 | if (skip_prefix(begin, "auto,", &begin)) { |
fcabc2d9 NTND |
951 | if (!want_color(c->pretty_ctx->color)) |
952 | return end - placeholder + 1; | |
18fb7ffc JK |
953 | } else if (skip_prefix(begin, "always,", &begin)) { |
954 | /* nothing to do; we do not respect want_color at all */ | |
955 | } else { | |
956 | /* the default is the same as "auto" */ | |
957 | if (!want_color(c->pretty_ctx->color)) | |
958 | return end - placeholder + 1; | |
fcabc2d9 | 959 | } |
18fb7ffc | 960 | |
f6c5a296 JK |
961 | if (color_parse_mem(begin, end - begin, color) < 0) |
962 | die(_("unable to parse --pretty format")); | |
fcabc2d9 NTND |
963 | strbuf_addstr(sb, color); |
964 | return end - placeholder + 1; | |
965 | } | |
18fb7ffc JK |
966 | |
967 | /* | |
968 | * We handle things like "%C(red)" above; for historical reasons, there | |
969 | * are a few colors that can be specified without parentheses (and | |
970 | * they cannot support things like "auto" or "always" at all). | |
971 | */ | |
e3f1da98 | 972 | if (skip_prefix(placeholder + 1, "red", &rest)) |
18fb7ffc | 973 | basic_color = GIT_COLOR_RED; |
e3f1da98 | 974 | else if (skip_prefix(placeholder + 1, "green", &rest)) |
18fb7ffc | 975 | basic_color = GIT_COLOR_GREEN; |
e3f1da98 | 976 | else if (skip_prefix(placeholder + 1, "blue", &rest)) |
18fb7ffc | 977 | basic_color = GIT_COLOR_BLUE; |
e3f1da98 | 978 | else if (skip_prefix(placeholder + 1, "reset", &rest)) |
18fb7ffc JK |
979 | basic_color = GIT_COLOR_RESET; |
980 | ||
981 | if (basic_color && want_color(c->pretty_ctx->color)) | |
982 | strbuf_addstr(sb, basic_color); | |
983 | ||
e3f1da98 | 984 | return rest - placeholder; |
fcabc2d9 NTND |
985 | } |
986 | ||
a5752342 NTND |
987 | static size_t parse_padding_placeholder(struct strbuf *sb, |
988 | const char *placeholder, | |
989 | struct format_commit_context *c) | |
990 | { | |
991 | const char *ch = placeholder; | |
992 | enum flush_type flush_type; | |
993 | int to_column = 0; | |
994 | ||
995 | switch (*ch++) { | |
996 | case '<': | |
997 | flush_type = flush_right; | |
998 | break; | |
999 | case '>': | |
1000 | if (*ch == '<') { | |
1001 | flush_type = flush_both; | |
1002 | ch++; | |
1640632b NTND |
1003 | } else if (*ch == '>') { |
1004 | flush_type = flush_left_and_steal; | |
1005 | ch++; | |
a5752342 NTND |
1006 | } else |
1007 | flush_type = flush_left; | |
1008 | break; | |
1009 | default: | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | /* the next value means "wide enough to that column" */ | |
1014 | if (*ch == '|') { | |
1015 | to_column = 1; | |
1016 | ch++; | |
1017 | } | |
1018 | ||
1019 | if (*ch == '(') { | |
1020 | const char *start = ch + 1; | |
a7f01c6b | 1021 | const char *end = start + strcspn(start, ",)"); |
a5752342 NTND |
1022 | char *next; |
1023 | int width; | |
1024 | if (!end || end == start) | |
1025 | return 0; | |
066790d7 | 1026 | width = strtol(start, &next, 10); |
a5752342 NTND |
1027 | if (next == start || width == 0) |
1028 | return 0; | |
066790d7 NTND |
1029 | if (width < 0) { |
1030 | if (to_column) | |
1031 | width += term_columns(); | |
1032 | if (width < 0) | |
1033 | return 0; | |
1034 | } | |
a5752342 NTND |
1035 | c->padding = to_column ? -width : width; |
1036 | c->flush_type = flush_type; | |
a7f01c6b NTND |
1037 | |
1038 | if (*end == ',') { | |
1039 | start = end + 1; | |
1040 | end = strchr(start, ')'); | |
1041 | if (!end || end == start) | |
1042 | return 0; | |
59556548 | 1043 | if (starts_with(start, "trunc)")) |
a7f01c6b | 1044 | c->truncate = trunc_right; |
59556548 | 1045 | else if (starts_with(start, "ltrunc)")) |
a7f01c6b | 1046 | c->truncate = trunc_left; |
59556548 | 1047 | else if (starts_with(start, "mtrunc)")) |
a7f01c6b NTND |
1048 | c->truncate = trunc_middle; |
1049 | else | |
1050 | return 0; | |
1051 | } else | |
1052 | c->truncate = trunc_none; | |
1053 | ||
a5752342 NTND |
1054 | return end - placeholder + 1; |
1055 | } | |
1056 | return 0; | |
1057 | } | |
1058 | ||
84ff053d TB |
1059 | static int match_placeholder_arg(const char *to_parse, const char *candidate, |
1060 | const char **end) | |
1061 | { | |
1062 | const char *p; | |
1063 | ||
1064 | if (!(skip_prefix(to_parse, candidate, &p))) | |
1065 | return 0; | |
1066 | if (*p == ',') { | |
1067 | *end = p + 1; | |
1068 | return 1; | |
1069 | } | |
1070 | if (*p == ')') { | |
1071 | *end = p; | |
1072 | return 1; | |
1073 | } | |
1074 | return 0; | |
1075 | } | |
1076 | ||
7e77df39 NTND |
1077 | static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ |
1078 | const char *placeholder, | |
9fa708da | 1079 | void *context) |
f29d5958 RS |
1080 | { |
1081 | struct format_commit_context *c = context; | |
1082 | const struct commit *commit = c->commit; | |
177b29dc | 1083 | const char *msg = c->message; |
f29d5958 | 1084 | struct commit_list *p; |
58311c66 | 1085 | const char *arg; |
d2330973 | 1086 | int ch; |
93fc05eb | 1087 | |
93fc05eb | 1088 | /* these are independent of the commit */ |
cde75e59 RS |
1089 | switch (placeholder[0]) { |
1090 | case 'C': | |
59556548 | 1091 | if (starts_with(placeholder + 1, "(auto)")) { |
b15a3e00 | 1092 | c->auto_color = want_color(c->pretty_ctx->color); |
82b83da8 | 1093 | if (c->auto_color && sb->len) |
c99ad274 | 1094 | strbuf_addstr(sb, GIT_COLOR_RESET); |
a95f067e NTND |
1095 | return 7; /* consumed 7 bytes, "C(auto)" */ |
1096 | } else { | |
1097 | int ret = parse_color(sb, placeholder, c); | |
1098 | if (ret) | |
1099 | c->auto_color = 0; | |
1100 | /* | |
1101 | * Otherwise, we decided to treat %C<unknown> | |
1102 | * as a literal string, and the previous | |
1103 | * %C(auto) is still valid. | |
1104 | */ | |
1105 | return ret; | |
c002922a | 1106 | } |
cde75e59 RS |
1107 | case 'n': /* newline */ |
1108 | strbuf_addch(sb, '\n'); | |
c3a670de | 1109 | return 1; |
42c8c74c GS |
1110 | case 'x': |
1111 | /* %x00 == NUL, %x0a == LF, etc. */ | |
d2330973 RS |
1112 | ch = hex2chr(placeholder + 1); |
1113 | if (ch < 0) | |
42c8c74c | 1114 | return 0; |
d2330973 RS |
1115 | strbuf_addch(sb, ch); |
1116 | return 3; | |
02edd56b RS |
1117 | case 'w': |
1118 | if (placeholder[1] == '(') { | |
1119 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
1120 | char *next; | |
1121 | const char *start = placeholder + 2; | |
1122 | const char *end = strchr(start, ')'); | |
1123 | if (!end) | |
1124 | return 0; | |
1125 | if (end > start) { | |
1126 | width = strtoul(start, &next, 10); | |
1127 | if (*next == ',') { | |
1128 | indent1 = strtoul(next + 1, &next, 10); | |
1129 | if (*next == ',') { | |
1130 | indent2 = strtoul(next + 1, | |
1131 | &next, 10); | |
1132 | } | |
1133 | } | |
1134 | if (*next != ')') | |
1135 | return 0; | |
1136 | } | |
1137 | rewrap_message_tail(sb, c, width, indent1, indent2); | |
1138 | return end - placeholder + 1; | |
1139 | } else | |
1140 | return 0; | |
a5752342 NTND |
1141 | |
1142 | case '<': | |
1143 | case '>': | |
1144 | return parse_padding_placeholder(sb, placeholder, c); | |
cde75e59 | 1145 | } |
93fc05eb JS |
1146 | |
1147 | /* these depend on the commit */ | |
1148 | if (!commit->object.parsed) | |
109cd76d | 1149 | parse_object(the_repository, &commit->object.oid); |
93fc05eb | 1150 | |
cde75e59 RS |
1151 | switch (placeholder[0]) { |
1152 | case 'H': /* commit hash */ | |
a95f067e | 1153 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
f2fd0760 | 1154 | strbuf_addstr(sb, oid_to_hex(&commit->object.oid)); |
a95f067e | 1155 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1156 | return 1; |
cde75e59 | 1157 | case 'h': /* abbreviated commit hash */ |
a95f067e | 1158 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
30e677e0 | 1159 | strbuf_add_unique_abbrev(sb, &commit->object.oid, |
1eb47f16 | 1160 | c->pretty_ctx->abbrev); |
a95f067e | 1161 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1162 | return 1; |
cde75e59 | 1163 | case 'T': /* tree hash */ |
2e27bd77 | 1164 | strbuf_addstr(sb, oid_to_hex(get_commit_tree_oid(commit))); |
c3a670de | 1165 | return 1; |
cde75e59 | 1166 | case 't': /* abbreviated tree hash */ |
2e27bd77 | 1167 | strbuf_add_unique_abbrev(sb, |
c89b6e13 | 1168 | get_commit_tree_oid(commit), |
1eb47f16 | 1169 | c->pretty_ctx->abbrev); |
c3a670de | 1170 | return 1; |
cde75e59 RS |
1171 | case 'P': /* parent hashes */ |
1172 | for (p = commit->parents; p; p = p->next) { | |
1173 | if (p != commit->parents) | |
1174 | strbuf_addch(sb, ' '); | |
f2fd0760 | 1175 | strbuf_addstr(sb, oid_to_hex(&p->item->object.oid)); |
cde75e59 | 1176 | } |
c3a670de | 1177 | return 1; |
cde75e59 RS |
1178 | case 'p': /* abbreviated parent hashes */ |
1179 | for (p = commit->parents; p; p = p->next) { | |
1180 | if (p != commit->parents) | |
1181 | strbuf_addch(sb, ' '); | |
30e677e0 | 1182 | strbuf_add_unique_abbrev(sb, &p->item->object.oid, |
1eb47f16 | 1183 | c->pretty_ctx->abbrev); |
cde75e59 | 1184 | } |
c3a670de | 1185 | return 1; |
cde75e59 | 1186 | case 'm': /* left/right/bottom */ |
1df2d656 | 1187 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
c3a670de | 1188 | return 1; |
3b3d443f | 1189 | case 'd': |
65516f58 | 1190 | load_ref_decorations(NULL, DECORATE_SHORT_REFS); |
a95f067e | 1191 | format_decorations(sb, commit, c->auto_color); |
3b3d443f | 1192 | return 1; |
9271095c | 1193 | case 'D': |
65516f58 | 1194 | load_ref_decorations(NULL, DECORATE_SHORT_REFS); |
9271095c HJ |
1195 | format_decorations_extended(sb, commit, c->auto_color, "", ", ", ""); |
1196 | return 1; | |
8f8f5476 TR |
1197 | case 'g': /* reflog info */ |
1198 | switch(placeholder[1]) { | |
1199 | case 'd': /* reflog selector */ | |
1200 | case 'D': | |
1201 | if (c->pretty_ctx->reflog_info) | |
1202 | get_reflog_selector(sb, | |
1203 | c->pretty_ctx->reflog_info, | |
a5481a6c | 1204 | &c->pretty_ctx->date_mode, |
55ccf85a | 1205 | c->pretty_ctx->date_mode_explicit, |
8f8f5476 TR |
1206 | (placeholder[1] == 'd')); |
1207 | return 2; | |
1208 | case 's': /* reflog message */ | |
1209 | if (c->pretty_ctx->reflog_info) | |
1210 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1211 | return 2; | |
cd1957f5 JK |
1212 | case 'n': |
1213 | case 'N': | |
1214 | case 'e': | |
1215 | case 'E': | |
1216 | return format_reflog_person(sb, | |
1217 | placeholder[1], | |
1218 | c->pretty_ctx->reflog_info, | |
a5481a6c | 1219 | &c->pretty_ctx->date_mode); |
8f8f5476 TR |
1220 | } |
1221 | return 0; /* unknown %g placeholder */ | |
8b208f02 | 1222 | case 'N': |
ddf333f6 JH |
1223 | if (c->pretty_ctx->notes_message) { |
1224 | strbuf_addstr(sb, c->pretty_ctx->notes_message); | |
5b163603 JG |
1225 | return 1; |
1226 | } | |
1227 | return 0; | |
cde75e59 RS |
1228 | } |
1229 | ||
f6667c5e | 1230 | if (placeholder[0] == 'G') { |
ffb6d7d5 SG |
1231 | if (!c->signature_check.result) |
1232 | check_commit_signature(c->commit, &(c->signature_check)); | |
f6667c5e JH |
1233 | switch (placeholder[1]) { |
1234 | case 'G': | |
ffb6d7d5 SG |
1235 | if (c->signature_check.gpg_output) |
1236 | strbuf_addstr(sb, c->signature_check.gpg_output); | |
f6667c5e JH |
1237 | break; |
1238 | case '?': | |
ffb6d7d5 | 1239 | switch (c->signature_check.result) { |
f6667c5e JH |
1240 | case 'G': |
1241 | case 'B': | |
661a1806 | 1242 | case 'E': |
e290c4b9 SG |
1243 | case 'U': |
1244 | case 'N': | |
661a1806 MG |
1245 | case 'X': |
1246 | case 'Y': | |
1247 | case 'R': | |
ffb6d7d5 | 1248 | strbuf_addch(sb, c->signature_check.result); |
f6667c5e JH |
1249 | } |
1250 | break; | |
1251 | case 'S': | |
ffb6d7d5 SG |
1252 | if (c->signature_check.signer) |
1253 | strbuf_addstr(sb, c->signature_check.signer); | |
f6667c5e | 1254 | break; |
0174eeaa | 1255 | case 'K': |
ffb6d7d5 SG |
1256 | if (c->signature_check.key) |
1257 | strbuf_addstr(sb, c->signature_check.key); | |
0174eeaa | 1258 | break; |
aa4b78d4 JK |
1259 | default: |
1260 | return 0; | |
f6667c5e JH |
1261 | } |
1262 | return 2; | |
1263 | } | |
1264 | ||
1265 | ||
cde75e59 | 1266 | /* For the rest we have to parse the commit header. */ |
f29d5958 RS |
1267 | if (!c->commit_header_parsed) |
1268 | parse_commit_header(c); | |
93fc05eb | 1269 | |
f29d5958 | 1270 | switch (placeholder[0]) { |
c3a670de MC |
1271 | case 'a': /* author ... */ |
1272 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1273 | msg + c->author.off, c->author.len, |
a5481a6c | 1274 | &c->pretty_ctx->date_mode); |
c3a670de MC |
1275 | case 'c': /* committer ... */ |
1276 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1277 | msg + c->committer.off, c->committer.len, |
a5481a6c | 1278 | &c->pretty_ctx->date_mode); |
c3a670de | 1279 | case 'e': /* encoding */ |
0940a76d NTND |
1280 | if (c->commit_encoding) |
1281 | strbuf_addstr(sb, c->commit_encoding); | |
c3a670de | 1282 | return 1; |
1367b12a EB |
1283 | case 'B': /* raw body */ |
1284 | /* message_off is always left at the initial newline */ | |
1285 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1286 | return 1; | |
f53bd743 RS |
1287 | } |
1288 | ||
1289 | /* Now we need to parse the commit message. */ | |
1290 | if (!c->commit_message_parsed) | |
1291 | parse_commit_message(c); | |
1292 | ||
1293 | switch (placeholder[0]) { | |
1294 | case 's': /* subject */ | |
1295 | format_subject(sb, msg + c->subject_off, " "); | |
1296 | return 1; | |
46d164b0 SB |
1297 | case 'f': /* sanitized subject */ |
1298 | format_sanitized_subject(sb, msg + c->subject_off); | |
1299 | return 1; | |
c3a670de | 1300 | case 'b': /* body */ |
f29d5958 | 1301 | strbuf_addstr(sb, msg + c->body_off); |
c3a670de | 1302 | return 1; |
93fc05eb | 1303 | } |
d9f31fbf | 1304 | |
58311c66 | 1305 | if (skip_prefix(placeholder, "(trailers", &arg)) { |
a388b10f | 1306 | struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; |
84ff053d TB |
1307 | if (*arg == ':') { |
1308 | arg++; | |
1309 | for (;;) { | |
1310 | if (match_placeholder_arg(arg, "only", &arg)) | |
1311 | opts.only_trailers = 1; | |
1312 | else if (match_placeholder_arg(arg, "unfold", &arg)) | |
1313 | opts.unfold = 1; | |
1314 | else | |
1315 | break; | |
1316 | } | |
58311c66 JK |
1317 | } |
1318 | if (*arg == ')') { | |
1319 | format_trailers_from_commit(sb, msg + c->subject_off, &opts); | |
1320 | return arg - placeholder + 1; | |
1321 | } | |
d9f31fbf JK |
1322 | } |
1323 | ||
c3a670de | 1324 | return 0; /* unknown placeholder */ |
cde75e59 RS |
1325 | } |
1326 | ||
a5752342 NTND |
1327 | static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ |
1328 | const char *placeholder, | |
1329 | struct format_commit_context *c) | |
1330 | { | |
1331 | struct strbuf local_sb = STRBUF_INIT; | |
1332 | int total_consumed = 0, len, padding = c->padding; | |
1333 | if (padding < 0) { | |
1334 | const char *start = strrchr(sb->buf, '\n'); | |
1335 | int occupied; | |
1336 | if (!start) | |
1337 | start = sb->buf; | |
1338 | occupied = utf8_strnwidth(start, -1, 1); | |
3ad87c80 | 1339 | occupied += c->pretty_ctx->graph_width; |
a5752342 NTND |
1340 | padding = (-padding) - occupied; |
1341 | } | |
1342 | while (1) { | |
1343 | int modifier = *placeholder == 'C'; | |
1344 | int consumed = format_commit_one(&local_sb, placeholder, c); | |
1345 | total_consumed += consumed; | |
1346 | ||
1347 | if (!modifier) | |
1348 | break; | |
1349 | ||
1350 | placeholder += consumed; | |
1351 | if (*placeholder != '%') | |
1352 | break; | |
1353 | placeholder++; | |
1354 | total_consumed++; | |
1355 | } | |
1356 | len = utf8_strnwidth(local_sb.buf, -1, 1); | |
1640632b NTND |
1357 | |
1358 | if (c->flush_type == flush_left_and_steal) { | |
1359 | const char *ch = sb->buf + sb->len - 1; | |
1360 | while (len > padding && ch > sb->buf) { | |
1361 | const char *p; | |
1362 | if (*ch == ' ') { | |
1363 | ch--; | |
1364 | padding++; | |
1365 | continue; | |
1366 | } | |
1367 | /* check for trailing ansi sequences */ | |
1368 | if (*ch != 'm') | |
1369 | break; | |
1370 | p = ch - 1; | |
1371 | while (ch - p < 10 && *p != '\033') | |
1372 | p--; | |
1373 | if (*p != '\033' || | |
1374 | ch + 1 - p != display_mode_esc_sequence_len(p)) | |
1375 | break; | |
1376 | /* | |
1377 | * got a good ansi sequence, put it back to | |
1378 | * local_sb as we're cutting sb | |
1379 | */ | |
1380 | strbuf_insert(&local_sb, 0, p, ch + 1 - p); | |
1381 | ch = p - 1; | |
1382 | } | |
1383 | strbuf_setlen(sb, ch + 1 - sb->buf); | |
1384 | c->flush_type = flush_left; | |
1385 | } | |
1386 | ||
a7f01c6b NTND |
1387 | if (len > padding) { |
1388 | switch (c->truncate) { | |
1389 | case trunc_left: | |
1390 | strbuf_utf8_replace(&local_sb, | |
1391 | 0, len - (padding - 2), | |
1392 | ".."); | |
1393 | break; | |
1394 | case trunc_middle: | |
1395 | strbuf_utf8_replace(&local_sb, | |
1396 | padding / 2 - 1, | |
1397 | len - (padding - 2), | |
1398 | ".."); | |
1399 | break; | |
1400 | case trunc_right: | |
1401 | strbuf_utf8_replace(&local_sb, | |
1402 | padding - 2, len - (padding - 2), | |
1403 | ".."); | |
1404 | break; | |
1405 | case trunc_none: | |
1406 | break; | |
1407 | } | |
e992d1eb | 1408 | strbuf_addbuf(sb, &local_sb); |
a7f01c6b | 1409 | } else { |
a5752342 NTND |
1410 | int sb_len = sb->len, offset = 0; |
1411 | if (c->flush_type == flush_left) | |
1412 | offset = padding - len; | |
1413 | else if (c->flush_type == flush_both) | |
1414 | offset = (padding - len) / 2; | |
1415 | /* | |
1416 | * we calculate padding in columns, now | |
1417 | * convert it back to chars | |
1418 | */ | |
1419 | padding = padding - len + local_sb.len; | |
415792ed | 1420 | strbuf_addchars(sb, ' ', padding); |
a5752342 NTND |
1421 | memcpy(sb->buf + sb_len + offset, local_sb.buf, |
1422 | local_sb.len); | |
1423 | } | |
1424 | strbuf_release(&local_sb); | |
1425 | c->flush_type = no_flush; | |
1426 | return total_consumed; | |
1427 | } | |
1428 | ||
7e77df39 NTND |
1429 | static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ |
1430 | const char *placeholder, | |
9fa708da JH |
1431 | void *context) |
1432 | { | |
1433 | int consumed; | |
1434 | size_t orig_len; | |
1435 | enum { | |
1436 | NO_MAGIC, | |
1437 | ADD_LF_BEFORE_NON_EMPTY, | |
1438 | DEL_LF_BEFORE_EMPTY, | |
223a923c | 1439 | ADD_SP_BEFORE_NON_EMPTY |
9fa708da JH |
1440 | } magic = NO_MAGIC; |
1441 | ||
1442 | switch (placeholder[0]) { | |
1443 | case '-': | |
1444 | magic = DEL_LF_BEFORE_EMPTY; | |
1445 | break; | |
1446 | case '+': | |
1447 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1448 | break; | |
7b88176e MG |
1449 | case ' ': |
1450 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1451 | break; | |
9fa708da JH |
1452 | default: |
1453 | break; | |
1454 | } | |
1455 | if (magic != NO_MAGIC) | |
1456 | placeholder++; | |
1457 | ||
1458 | orig_len = sb->len; | |
a5752342 NTND |
1459 | if (((struct format_commit_context *)context)->flush_type != no_flush) |
1460 | consumed = format_and_pad_commit(sb, placeholder, context); | |
1461 | else | |
1462 | consumed = format_commit_one(sb, placeholder, context); | |
9fa708da JH |
1463 | if (magic == NO_MAGIC) |
1464 | return consumed; | |
1465 | ||
1466 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1467 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1468 | strbuf_setlen(sb, sb->len - 1); | |
7b88176e MG |
1469 | } else if (orig_len != sb->len) { |
1470 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
1471 | strbuf_insert(sb, orig_len, "\n", 1); | |
1472 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) | |
1473 | strbuf_insert(sb, orig_len, " ", 1); | |
9fa708da JH |
1474 | } |
1475 | return consumed + 1; | |
1476 | } | |
1477 | ||
5b163603 JG |
1478 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
1479 | void *context) | |
1480 | { | |
1481 | struct userformat_want *w = context; | |
1482 | ||
7b88176e | 1483 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
5b163603 JG |
1484 | placeholder++; |
1485 | ||
1486 | switch (*placeholder) { | |
1487 | case 'N': | |
1488 | w->notes = 1; | |
1489 | break; | |
1490 | } | |
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1495 | { | |
1496 | struct strbuf dummy = STRBUF_INIT; | |
1497 | ||
1498 | if (!fmt) { | |
1499 | if (!user_format) | |
1500 | return; | |
1501 | fmt = user_format; | |
1502 | } | |
a6253d10 | 1503 | strbuf_expand(&dummy, fmt, userformat_want_item, w); |
5b163603 JG |
1504 | strbuf_release(&dummy); |
1505 | } | |
1506 | ||
cde75e59 | 1507 | void format_commit_message(const struct commit *commit, |
7f98ebc8 | 1508 | const char *format, struct strbuf *sb, |
dd2e794a | 1509 | const struct pretty_print_context *pretty_ctx) |
cde75e59 | 1510 | { |
f29d5958 | 1511 | struct format_commit_context context; |
177b29dc | 1512 | const char *output_enc = pretty_ctx->output_encoding; |
7e77df39 | 1513 | const char *utf8 = "UTF-8"; |
f29d5958 RS |
1514 | |
1515 | memset(&context, 0, sizeof(context)); | |
1516 | context.commit = commit; | |
dd2e794a | 1517 | context.pretty_ctx = pretty_ctx; |
02edd56b | 1518 | context.wrap_start = sb->len; |
7d509878 AS |
1519 | /* |
1520 | * convert a commit message to UTF-8 first | |
1521 | * as far as 'format_commit_item' assumes it in UTF-8 | |
1522 | */ | |
0940a76d NTND |
1523 | context.message = logmsg_reencode(commit, |
1524 | &context.commit_encoding, | |
7d509878 | 1525 | utf8); |
177b29dc | 1526 | |
c3a670de | 1527 | strbuf_expand(sb, format, format_commit_item, &context); |
02edd56b | 1528 | rewrap_message_tail(sb, &context, 0, 0, 0); |
177b29dc | 1529 | |
7d509878 | 1530 | /* then convert a commit message to an actual output encoding */ |
7e77df39 NTND |
1531 | if (output_enc) { |
1532 | if (same_encoding(utf8, output_enc)) | |
1533 | output_enc = NULL; | |
1534 | } else { | |
1535 | if (context.commit_encoding && | |
1536 | !same_encoding(context.commit_encoding, utf8)) | |
1537 | output_enc = context.commit_encoding; | |
1538 | } | |
1539 | ||
1540 | if (output_enc) { | |
c7d017d7 | 1541 | size_t outsz; |
7e77df39 NTND |
1542 | char *out = reencode_string_len(sb->buf, sb->len, |
1543 | output_enc, utf8, &outsz); | |
1544 | if (out) | |
1545 | strbuf_attach(sb, out, outsz, outsz + 1); | |
1546 | } | |
1547 | ||
0940a76d | 1548 | free(context.commit_encoding); |
b66103c3 | 1549 | unuse_commit_buffer(commit, context.message); |
93fc05eb JS |
1550 | } |
1551 | ||
10f2fbff | 1552 | static void pp_header(struct pretty_print_context *pp, |
93fc05eb JS |
1553 | const char *encoding, |
1554 | const struct commit *commit, | |
1555 | const char **msg_p, | |
1556 | struct strbuf *sb) | |
1557 | { | |
1558 | int parents_shown = 0; | |
1559 | ||
1560 | for (;;) { | |
e3f1da98 | 1561 | const char *name, *line = *msg_p; |
93fc05eb JS |
1562 | int linelen = get_one_line(*msg_p); |
1563 | ||
1564 | if (!linelen) | |
1565 | return; | |
1566 | *msg_p += linelen; | |
1567 | ||
1568 | if (linelen == 1) | |
1569 | /* End of header */ | |
1570 | return; | |
1571 | ||
6bf13944 | 1572 | if (pp->fmt == CMIT_FMT_RAW) { |
93fc05eb JS |
1573 | strbuf_add(sb, line, linelen); |
1574 | continue; | |
1575 | } | |
1576 | ||
59556548 | 1577 | if (starts_with(line, "parent ")) { |
580f0980 | 1578 | if (linelen != the_hash_algo->hexsz + 8) |
93fc05eb JS |
1579 | die("bad parent line in commit"); |
1580 | continue; | |
1581 | } | |
1582 | ||
1583 | if (!parents_shown) { | |
4bbaa1eb | 1584 | unsigned num = commit_list_count(commit->parents); |
93fc05eb | 1585 | /* with enough slop */ |
580f0980 | 1586 | strbuf_grow(sb, num * (GIT_MAX_HEXSZ + 10) + 20); |
6bf13944 | 1587 | add_merge_info(pp, sb, commit); |
93fc05eb JS |
1588 | parents_shown = 1; |
1589 | } | |
1590 | ||
1591 | /* | |
1592 | * MEDIUM == DEFAULT shows only author with dates. | |
1593 | * FULL shows both authors but not dates. | |
1594 | * FULLER shows both authors and dates. | |
1595 | */ | |
e3f1da98 | 1596 | if (skip_prefix(line, "author ", &name)) { |
93fc05eb | 1597 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1598 | pp_user_info(pp, "Author", sb, name, encoding); |
93fc05eb | 1599 | } |
e3f1da98 | 1600 | if (skip_prefix(line, "committer ", &name) && |
6bf13944 | 1601 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
93fc05eb | 1602 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1603 | pp_user_info(pp, "Commit", sb, name, encoding); |
93fc05eb JS |
1604 | } |
1605 | } | |
1606 | } | |
1607 | ||
10f2fbff | 1608 | void pp_title_line(struct pretty_print_context *pp, |
b02bd65f DB |
1609 | const char **msg_p, |
1610 | struct strbuf *sb, | |
b02bd65f | 1611 | const char *encoding, |
267123b4 | 1612 | int need_8bit_cte) |
93fc05eb | 1613 | { |
41dd00ba | 1614 | static const int max_length = 78; /* per rfc2047 */ |
93fc05eb JS |
1615 | struct strbuf title; |
1616 | ||
1617 | strbuf_init(&title, 80); | |
9553d2b2 JK |
1618 | *msg_p = format_subject(&title, *msg_p, |
1619 | pp->preserve_subject ? "\n" : " "); | |
93fc05eb JS |
1620 | |
1621 | strbuf_grow(sb, title.len + 1024); | |
6d167fd7 RS |
1622 | if (pp->print_email_subject) { |
1623 | if (pp->rev) | |
1624 | fmt_output_email_subject(sb, pp->rev); | |
41dd00ba JS |
1625 | if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) |
1626 | add_rfc2047(sb, title.buf, title.len, | |
1627 | encoding, RFC2047_SUBJECT); | |
1628 | else | |
1629 | strbuf_add_wrapped_bytes(sb, title.buf, title.len, | |
1630 | -last_line_length(sb), 1, max_length); | |
93fc05eb JS |
1631 | } else { |
1632 | strbuf_addbuf(sb, &title); | |
1633 | } | |
1634 | strbuf_addch(sb, '\n'); | |
1635 | ||
a9080475 JK |
1636 | if (need_8bit_cte == 0) { |
1637 | int i; | |
1638 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1639 | if (has_non_ascii(pp->in_body_headers.items[i].string)) { | |
1640 | need_8bit_cte = 1; | |
1641 | break; | |
1642 | } | |
1643 | } | |
1644 | } | |
1645 | ||
6bf4f1b4 | 1646 | if (need_8bit_cte > 0) { |
93fc05eb JS |
1647 | const char *header_fmt = |
1648 | "MIME-Version: 1.0\n" | |
1649 | "Content-Type: text/plain; charset=%s\n" | |
1650 | "Content-Transfer-Encoding: 8bit\n"; | |
1651 | strbuf_addf(sb, header_fmt, encoding); | |
1652 | } | |
6bf13944 JK |
1653 | if (pp->after_subject) { |
1654 | strbuf_addstr(sb, pp->after_subject); | |
93fc05eb | 1655 | } |
9f23e040 | 1656 | if (cmit_fmt_is_mail(pp->fmt)) { |
93fc05eb JS |
1657 | strbuf_addch(sb, '\n'); |
1658 | } | |
a9080475 JK |
1659 | |
1660 | if (pp->in_body_headers.nr) { | |
1661 | int i; | |
1662 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1663 | strbuf_addstr(sb, pp->in_body_headers.items[i].string); | |
1664 | free(pp->in_body_headers.items[i].string); | |
1665 | } | |
1666 | string_list_clear(&pp->in_body_headers, 0); | |
1667 | strbuf_addch(sb, '\n'); | |
1668 | } | |
1669 | ||
93fc05eb JS |
1670 | strbuf_release(&title); |
1671 | } | |
1672 | ||
7cc13c71 LT |
1673 | static int pp_utf8_width(const char *start, const char *end) |
1674 | { | |
1675 | int width = 0; | |
1676 | size_t remain = end - start; | |
1677 | ||
1678 | while (remain) { | |
1679 | int n = utf8_width(&start, &remain); | |
1680 | if (n < 0 || !start) | |
1681 | return -1; | |
1682 | width += n; | |
1683 | } | |
1684 | return width; | |
1685 | } | |
1686 | ||
fe37a9c5 | 1687 | static void strbuf_add_tabexpand(struct strbuf *sb, int tabwidth, |
7cc13c71 LT |
1688 | const char *line, int linelen) |
1689 | { | |
1690 | const char *tab; | |
1691 | ||
1692 | while ((tab = memchr(line, '\t', linelen)) != NULL) { | |
1693 | int width = pp_utf8_width(line, tab); | |
1694 | ||
1695 | /* | |
1696 | * If it wasn't well-formed utf8, or it | |
1697 | * had characters with badly defined | |
1698 | * width (control characters etc), just | |
1699 | * give up on trying to align things. | |
1700 | */ | |
1701 | if (width < 0) | |
1702 | break; | |
1703 | ||
1704 | /* Output the data .. */ | |
1705 | strbuf_add(sb, line, tab - line); | |
1706 | ||
1707 | /* .. and the de-tabified tab */ | |
fe37a9c5 | 1708 | strbuf_addchars(sb, ' ', tabwidth - (width % tabwidth)); |
7cc13c71 LT |
1709 | |
1710 | /* Skip over the printed part .. */ | |
1711 | linelen -= tab + 1 - line; | |
1712 | line = tab + 1; | |
1713 | } | |
1714 | ||
1715 | /* | |
1716 | * Print out everything after the last tab without | |
1717 | * worrying about width - there's nothing more to | |
1718 | * align. | |
1719 | */ | |
1720 | strbuf_add(sb, line, linelen); | |
1721 | } | |
1722 | ||
1723 | /* | |
1724 | * pp_handle_indent() prints out the intendation, and | |
1725 | * the whole line (without the final newline), after | |
1726 | * de-tabifying. | |
1727 | */ | |
1728 | static void pp_handle_indent(struct pretty_print_context *pp, | |
1729 | struct strbuf *sb, int indent, | |
1730 | const char *line, int linelen) | |
1731 | { | |
1732 | strbuf_addchars(sb, ' ', indent); | |
1733 | if (pp->expand_tabs_in_log) | |
fe37a9c5 | 1734 | strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, line, linelen); |
7cc13c71 LT |
1735 | else |
1736 | strbuf_add(sb, line, linelen); | |
1737 | } | |
1738 | ||
9f23e040 EW |
1739 | static int is_mboxrd_from(const char *line, int len) |
1740 | { | |
1741 | /* | |
1742 | * a line matching /^From $/ here would only have len == 4 | |
1743 | * at this point because is_empty_line would've trimmed all | |
1744 | * trailing space | |
1745 | */ | |
1746 | return len > 4 && starts_with(line + strspn(line, ">"), "From "); | |
1747 | } | |
1748 | ||
10f2fbff | 1749 | void pp_remainder(struct pretty_print_context *pp, |
b02bd65f DB |
1750 | const char **msg_p, |
1751 | struct strbuf *sb, | |
1752 | int indent) | |
93fc05eb JS |
1753 | { |
1754 | int first = 1; | |
1755 | for (;;) { | |
1756 | const char *line = *msg_p; | |
1757 | int linelen = get_one_line(line); | |
1758 | *msg_p += linelen; | |
1759 | ||
1760 | if (!linelen) | |
1761 | break; | |
1762 | ||
77356122 | 1763 | if (is_blank_line(line, &linelen)) { |
93fc05eb JS |
1764 | if (first) |
1765 | continue; | |
6bf13944 | 1766 | if (pp->fmt == CMIT_FMT_SHORT) |
93fc05eb JS |
1767 | break; |
1768 | } | |
1769 | first = 0; | |
1770 | ||
1771 | strbuf_grow(sb, linelen + indent + 20); | |
415792ed | 1772 | if (indent) |
7cc13c71 | 1773 | pp_handle_indent(pp, sb, indent, line, linelen); |
0893eec8 | 1774 | else if (pp->expand_tabs_in_log) |
fe37a9c5 JH |
1775 | strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, |
1776 | line, linelen); | |
9f23e040 EW |
1777 | else { |
1778 | if (pp->fmt == CMIT_FMT_MBOXRD && | |
1779 | is_mboxrd_from(line, linelen)) | |
1780 | strbuf_addch(sb, '>'); | |
1781 | ||
7cc13c71 | 1782 | strbuf_add(sb, line, linelen); |
9f23e040 | 1783 | } |
93fc05eb JS |
1784 | strbuf_addch(sb, '\n'); |
1785 | } | |
1786 | } | |
1787 | ||
10f2fbff | 1788 | void pretty_print_commit(struct pretty_print_context *pp, |
6bf13944 JK |
1789 | const struct commit *commit, |
1790 | struct strbuf *sb) | |
93fc05eb JS |
1791 | { |
1792 | unsigned long beginning_of_body; | |
1793 | int indent = 4; | |
dd0d388c | 1794 | const char *msg; |
b000c59b | 1795 | const char *reencoded; |
93fc05eb | 1796 | const char *encoding; |
6bf13944 | 1797 | int need_8bit_cte = pp->need_8bit_cte; |
93fc05eb | 1798 | |
6bf13944 JK |
1799 | if (pp->fmt == CMIT_FMT_USERFORMAT) { |
1800 | format_commit_message(commit, user_format, sb, pp); | |
93fc05eb JS |
1801 | return; |
1802 | } | |
1803 | ||
e297cf5a | 1804 | encoding = get_log_output_encoding(); |
5a10d236 | 1805 | msg = reencoded = logmsg_reencode(commit, NULL, encoding); |
93fc05eb | 1806 | |
9f23e040 | 1807 | if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) |
93fc05eb JS |
1808 | indent = 0; |
1809 | ||
6bf4f1b4 JH |
1810 | /* |
1811 | * We need to check and emit Content-type: to mark it | |
1812 | * as 8-bit if we haven't done so. | |
93fc05eb | 1813 | */ |
9f23e040 | 1814 | if (cmit_fmt_is_mail(pp->fmt) && need_8bit_cte == 0) { |
93fc05eb JS |
1815 | int i, ch, in_body; |
1816 | ||
1817 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
1818 | if (!in_body) { | |
1819 | /* author could be non 7-bit ASCII but | |
1820 | * the log may be so; skip over the | |
1821 | * header part first. | |
1822 | */ | |
1823 | if (ch == '\n' && msg[i+1] == '\n') | |
1824 | in_body = 1; | |
1825 | } | |
1826 | else if (non_ascii(ch)) { | |
6bf4f1b4 | 1827 | need_8bit_cte = 1; |
93fc05eb JS |
1828 | break; |
1829 | } | |
1830 | } | |
1831 | } | |
1832 | ||
6bf13944 | 1833 | pp_header(pp, encoding, commit, &msg, sb); |
6d167fd7 | 1834 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) { |
93fc05eb JS |
1835 | strbuf_addch(sb, '\n'); |
1836 | } | |
1837 | ||
1838 | /* Skip excess blank lines at the beginning of body, if any... */ | |
77356122 | 1839 | msg = skip_blank_lines(msg); |
93fc05eb JS |
1840 | |
1841 | /* These formats treat the title line specially. */ | |
9f23e040 | 1842 | if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) |
6bf13944 | 1843 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); |
93fc05eb JS |
1844 | |
1845 | beginning_of_body = sb->len; | |
6bf13944 JK |
1846 | if (pp->fmt != CMIT_FMT_ONELINE) |
1847 | pp_remainder(pp, &msg, sb, indent); | |
93fc05eb JS |
1848 | strbuf_rtrim(sb); |
1849 | ||
1850 | /* Make sure there is an EOLN for the non-oneline case */ | |
6bf13944 | 1851 | if (pp->fmt != CMIT_FMT_ONELINE) |
93fc05eb JS |
1852 | strbuf_addch(sb, '\n'); |
1853 | ||
1854 | /* | |
1855 | * The caller may append additional body text in e-mail | |
1856 | * format. Make sure we did not strip the blank line | |
1857 | * between the header and the body. | |
1858 | */ | |
9f23e040 | 1859 | if (cmit_fmt_is_mail(pp->fmt) && sb->len <= beginning_of_body) |
93fc05eb | 1860 | strbuf_addch(sb, '\n'); |
a97a7468 | 1861 | |
b66103c3 | 1862 | unuse_commit_buffer(commit, reencoded); |
93fc05eb | 1863 | } |
8b8a5374 JK |
1864 | |
1865 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
1866 | struct strbuf *sb) | |
1867 | { | |
1868 | struct pretty_print_context pp = {0}; | |
6bf13944 JK |
1869 | pp.fmt = fmt; |
1870 | pretty_print_commit(&pp, commit, sb); | |
8b8a5374 | 1871 | } |