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Commit | Line | Data |
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93fc05eb JS |
1 | #include "cache.h" |
2 | #include "commit.h" | |
93fc05eb JS |
3 | #include "utf8.h" |
4 | #include "diff.h" | |
5 | #include "revision.h" | |
c455c87c | 6 | #include "string-list.h" |
e0cbc397 | 7 | #include "mailmap.h" |
3b3d443f | 8 | #include "log-tree.h" |
a97a7468 | 9 | #include "notes.h" |
c002922a | 10 | #include "color.h" |
8f8f5476 | 11 | #include "reflog-walk.h" |
f6667c5e | 12 | #include "gpg-interface.h" |
93fc05eb | 13 | |
93fc05eb | 14 | static char *user_format; |
40957891 WP |
15 | static struct cmt_fmt_map { |
16 | const char *name; | |
17 | enum cmit_fmt format; | |
18 | int is_tformat; | |
2d7671ef WP |
19 | int is_alias; |
20 | const char *user_format; | |
40957891 | 21 | } *commit_formats; |
8028184e | 22 | static size_t builtin_formats_len; |
40957891 | 23 | static size_t commit_formats_len; |
8028184e | 24 | static size_t commit_formats_alloc; |
40957891 | 25 | static struct cmt_fmt_map *find_commit_format(const char *sought); |
93fc05eb | 26 | |
36407548 NS |
27 | static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) |
28 | { | |
29 | free(user_format); | |
30 | user_format = xstrdup(cp); | |
31 | if (is_tformat) | |
32 | rev->use_terminator = 1; | |
33 | rev->commit_format = CMIT_FMT_USERFORMAT; | |
34 | } | |
35 | ||
8028184e | 36 | static int git_pretty_formats_config(const char *var, const char *value, void *cb) |
93fc05eb | 37 | { |
8028184e WP |
38 | struct cmt_fmt_map *commit_format = NULL; |
39 | const char *name; | |
40 | const char *fmt; | |
93fc05eb | 41 | int i; |
8028184e | 42 | |
59556548 | 43 | if (!starts_with(var, "pretty.")) |
8028184e WP |
44 | return 0; |
45 | ||
46 | name = var + strlen("pretty."); | |
47 | for (i = 0; i < builtin_formats_len; i++) { | |
48 | if (!strcmp(commit_formats[i].name, name)) | |
49 | return 0; | |
50 | } | |
51 | ||
52 | for (i = builtin_formats_len; i < commit_formats_len; i++) { | |
53 | if (!strcmp(commit_formats[i].name, name)) { | |
54 | commit_format = &commit_formats[i]; | |
55 | break; | |
56 | } | |
57 | } | |
58 | ||
59 | if (!commit_format) { | |
60 | ALLOC_GROW(commit_formats, commit_formats_len+1, | |
61 | commit_formats_alloc); | |
62 | commit_format = &commit_formats[commit_formats_len]; | |
95a2618f | 63 | memset(commit_format, 0, sizeof(*commit_format)); |
8028184e WP |
64 | commit_formats_len++; |
65 | } | |
66 | ||
67 | commit_format->name = xstrdup(name); | |
68 | commit_format->format = CMIT_FMT_USERFORMAT; | |
69 | git_config_string(&fmt, var, value); | |
59556548 | 70 | if (starts_with(fmt, "format:") || starts_with(fmt, "tformat:")) { |
8028184e WP |
71 | commit_format->is_tformat = fmt[0] == 't'; |
72 | fmt = strchr(fmt, ':') + 1; | |
73 | } else if (strchr(fmt, '%')) | |
74 | commit_format->is_tformat = 1; | |
75 | else | |
76 | commit_format->is_alias = 1; | |
77 | commit_format->user_format = fmt; | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
40957891 | 82 | static void setup_commit_formats(void) |
93fc05eb | 83 | { |
40957891 WP |
84 | struct cmt_fmt_map builtin_formats[] = { |
85 | { "raw", CMIT_FMT_RAW, 0 }, | |
86 | { "medium", CMIT_FMT_MEDIUM, 0 }, | |
87 | { "short", CMIT_FMT_SHORT, 0 }, | |
88 | { "email", CMIT_FMT_EMAIL, 0 }, | |
89 | { "fuller", CMIT_FMT_FULLER, 0 }, | |
90 | { "full", CMIT_FMT_FULL, 0 }, | |
91 | { "oneline", CMIT_FMT_ONELINE, 1 } | |
4da45bef | 92 | }; |
40957891 | 93 | commit_formats_len = ARRAY_SIZE(builtin_formats); |
8028184e WP |
94 | builtin_formats_len = commit_formats_len; |
95 | ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); | |
40957891 WP |
96 | memcpy(commit_formats, builtin_formats, |
97 | sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats)); | |
8028184e WP |
98 | |
99 | git_config(git_pretty_formats_config, NULL); | |
40957891 WP |
100 | } |
101 | ||
2d7671ef WP |
102 | static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, |
103 | const char *original, | |
104 | int num_redirections) | |
40957891 WP |
105 | { |
106 | struct cmt_fmt_map *found = NULL; | |
107 | size_t found_match_len = 0; | |
108 | int i; | |
109 | ||
2d7671ef WP |
110 | if (num_redirections >= commit_formats_len) |
111 | die("invalid --pretty format: " | |
112 | "'%s' references an alias which points to itself", | |
113 | original); | |
40957891 WP |
114 | |
115 | for (i = 0; i < commit_formats_len; i++) { | |
116 | size_t match_len; | |
117 | ||
59556548 | 118 | if (!starts_with(commit_formats[i].name, sought)) |
40957891 WP |
119 | continue; |
120 | ||
121 | match_len = strlen(commit_formats[i].name); | |
122 | if (found == NULL || found_match_len > match_len) { | |
123 | found = &commit_formats[i]; | |
124 | found_match_len = match_len; | |
125 | } | |
126 | } | |
2d7671ef WP |
127 | |
128 | if (found && found->is_alias) { | |
129 | found = find_commit_format_recursive(found->user_format, | |
130 | original, | |
131 | num_redirections+1); | |
132 | } | |
133 | ||
40957891 WP |
134 | return found; |
135 | } | |
136 | ||
2d7671ef WP |
137 | static struct cmt_fmt_map *find_commit_format(const char *sought) |
138 | { | |
139 | if (!commit_formats) | |
140 | setup_commit_formats(); | |
141 | ||
142 | return find_commit_format_recursive(sought, sought, 0); | |
143 | } | |
144 | ||
40957891 WP |
145 | void get_commit_format(const char *arg, struct rev_info *rev) |
146 | { | |
147 | struct cmt_fmt_map *commit_format; | |
93fc05eb | 148 | |
4da45bef JH |
149 | rev->use_terminator = 0; |
150 | if (!arg || !*arg) { | |
151 | rev->commit_format = CMIT_FMT_DEFAULT; | |
152 | return; | |
153 | } | |
59556548 | 154 | if (starts_with(arg, "format:") || starts_with(arg, "tformat:")) { |
36407548 | 155 | save_user_format(rev, strchr(arg, ':') + 1, arg[0] == 't'); |
4da45bef | 156 | return; |
93fc05eb | 157 | } |
40957891 | 158 | |
36407548 NS |
159 | if (strchr(arg, '%')) { |
160 | save_user_format(rev, arg, 1); | |
161 | return; | |
162 | } | |
93fc05eb | 163 | |
40957891 WP |
164 | commit_format = find_commit_format(arg); |
165 | if (!commit_format) | |
166 | die("invalid --pretty format: %s", arg); | |
167 | ||
168 | rev->commit_format = commit_format->format; | |
169 | rev->use_terminator = commit_format->is_tformat; | |
8028184e WP |
170 | if (commit_format->format == CMIT_FMT_USERFORMAT) { |
171 | save_user_format(rev, commit_format->user_format, | |
172 | commit_format->is_tformat); | |
173 | } | |
93fc05eb JS |
174 | } |
175 | ||
176 | /* | |
177 | * Generic support for pretty-printing the header | |
178 | */ | |
179 | static int get_one_line(const char *msg) | |
180 | { | |
181 | int ret = 0; | |
182 | ||
183 | for (;;) { | |
184 | char c = *msg++; | |
185 | if (!c) | |
186 | break; | |
187 | ret++; | |
188 | if (c == '\n') | |
189 | break; | |
190 | } | |
191 | return ret; | |
192 | } | |
193 | ||
194 | /* High bit set, or ISO-2022-INT */ | |
cc571142 | 195 | static int non_ascii(int ch) |
93fc05eb | 196 | { |
c2e9364a | 197 | return !isascii(ch) || ch == '\033'; |
93fc05eb JS |
198 | } |
199 | ||
28e9cf65 JS |
200 | int has_non_ascii(const char *s) |
201 | { | |
202 | int ch; | |
203 | if (!s) | |
204 | return 0; | |
205 | while ((ch = *s++) != '\0') { | |
206 | if (non_ascii(ch)) | |
207 | return 1; | |
208 | } | |
209 | return 0; | |
210 | } | |
211 | ||
4d03c18a JK |
212 | static int is_rfc822_special(char ch) |
213 | { | |
214 | switch (ch) { | |
215 | case '(': | |
216 | case ')': | |
217 | case '<': | |
218 | case '>': | |
219 | case '[': | |
220 | case ']': | |
221 | case ':': | |
222 | case ';': | |
223 | case '@': | |
224 | case ',': | |
225 | case '.': | |
226 | case '"': | |
227 | case '\\': | |
228 | return 1; | |
229 | default: | |
230 | return 0; | |
231 | } | |
232 | } | |
233 | ||
41dd00ba | 234 | static int needs_rfc822_quoting(const char *s, int len) |
4d03c18a JK |
235 | { |
236 | int i; | |
237 | for (i = 0; i < len; i++) | |
238 | if (is_rfc822_special(s[i])) | |
239 | return 1; | |
240 | return 0; | |
241 | } | |
242 | ||
f9b7204b JS |
243 | static int last_line_length(struct strbuf *sb) |
244 | { | |
245 | int i; | |
246 | ||
247 | /* How many bytes are already used on the last line? */ | |
248 | for (i = sb->len - 1; i >= 0; i--) | |
249 | if (sb->buf[i] == '\n') | |
250 | break; | |
251 | return sb->len - (i + 1); | |
252 | } | |
253 | ||
4d03c18a JK |
254 | static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) |
255 | { | |
256 | int i; | |
257 | ||
258 | /* just a guess, we may have to also backslash-quote */ | |
259 | strbuf_grow(out, len + 2); | |
260 | ||
261 | strbuf_addch(out, '"'); | |
262 | for (i = 0; i < len; i++) { | |
263 | switch (s[i]) { | |
264 | case '"': | |
265 | case '\\': | |
266 | strbuf_addch(out, '\\'); | |
267 | /* fall through */ | |
268 | default: | |
269 | strbuf_addch(out, s[i]); | |
270 | } | |
271 | } | |
272 | strbuf_addch(out, '"'); | |
273 | } | |
274 | ||
0fcec2ce JS |
275 | enum rfc2047_type { |
276 | RFC2047_SUBJECT, | |
277 | RFC2047_ADDRESS, | |
278 | }; | |
279 | ||
280 | static int is_rfc2047_special(char ch, enum rfc2047_type type) | |
93fc05eb | 281 | { |
0fcec2ce JS |
282 | /* |
283 | * rfc2047, section 4.2: | |
284 | * | |
285 | * 8-bit values which correspond to printable ASCII characters other | |
286 | * than "=", "?", and "_" (underscore), MAY be represented as those | |
287 | * characters. (But see section 5 for restrictions.) In | |
288 | * particular, SPACE and TAB MUST NOT be represented as themselves | |
289 | * within encoded words. | |
290 | */ | |
291 | ||
292 | /* | |
293 | * rule out non-ASCII characters and non-printable characters (the | |
294 | * non-ASCII check should be redundant as isprint() is not localized | |
295 | * and only knows about ASCII, but be defensive about that) | |
296 | */ | |
297 | if (non_ascii(ch) || !isprint(ch)) | |
298 | return 1; | |
299 | ||
300 | /* | |
301 | * rule out special printable characters (' ' should be the only | |
302 | * whitespace character considered printable, but be defensive and use | |
303 | * isspace()) | |
304 | */ | |
305 | if (isspace(ch) || ch == '=' || ch == '?' || ch == '_') | |
94f6cdf6 JS |
306 | return 1; |
307 | ||
0fcec2ce JS |
308 | /* |
309 | * rfc2047, section 5.3: | |
310 | * | |
311 | * As a replacement for a 'word' entity within a 'phrase', for example, | |
312 | * one that precedes an address in a From, To, or Cc header. The ABNF | |
313 | * definition for 'phrase' from RFC 822 thus becomes: | |
314 | * | |
315 | * phrase = 1*( encoded-word / word ) | |
316 | * | |
317 | * In this case the set of characters that may be used in a "Q"-encoded | |
318 | * 'encoded-word' is restricted to: <upper and lower case ASCII | |
319 | * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" | |
320 | * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a | |
321 | * 'phrase' MUST be separated from any adjacent 'word', 'text' or | |
322 | * 'special' by 'linear-white-space'. | |
323 | */ | |
324 | ||
325 | if (type != RFC2047_ADDRESS) | |
326 | return 0; | |
327 | ||
328 | /* '=' and '_' are special cases and have been checked above */ | |
329 | return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/'); | |
93fc05eb JS |
330 | } |
331 | ||
41dd00ba JS |
332 | static int needs_rfc2047_encoding(const char *line, int len, |
333 | enum rfc2047_type type) | |
93fc05eb | 334 | { |
a1f6baa5 | 335 | int i; |
93fc05eb JS |
336 | |
337 | for (i = 0; i < len; i++) { | |
338 | int ch = line[i]; | |
c22e7de3 | 339 | if (non_ascii(ch) || ch == '\n') |
41dd00ba | 340 | return 1; |
93fc05eb | 341 | if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) |
41dd00ba | 342 | return 1; |
93fc05eb | 343 | } |
93fc05eb | 344 | |
41dd00ba JS |
345 | return 0; |
346 | } | |
347 | ||
6cd3c053 | 348 | static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, |
41dd00ba JS |
349 | const char *encoding, enum rfc2047_type type) |
350 | { | |
351 | static const int max_encoded_length = 76; /* per rfc2047 */ | |
352 | int i; | |
353 | int line_len = last_line_length(sb); | |
354 | ||
93fc05eb JS |
355 | strbuf_grow(sb, len * 3 + strlen(encoding) + 100); |
356 | strbuf_addf(sb, "=?%s?q?", encoding); | |
a1f6baa5 | 357 | line_len += strlen(encoding) + 5; /* 5 for =??q? */ |
6cd3c053 KS |
358 | |
359 | while (len) { | |
360 | /* | |
361 | * RFC 2047, section 5 (3): | |
362 | * | |
363 | * Each 'encoded-word' MUST represent an integral number of | |
364 | * characters. A multi-octet character may not be split across | |
365 | * adjacent 'encoded- word's. | |
366 | */ | |
367 | const unsigned char *p = (const unsigned char *)line; | |
368 | int chrlen = mbs_chrlen(&line, &len, encoding); | |
369 | int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); | |
370 | ||
371 | /* "=%02X" * chrlen, or the byte itself */ | |
372 | const char *encoded_fmt = is_special ? "=%02X" : "%c"; | |
373 | int encoded_len = is_special ? 3 * chrlen : 1; | |
94f6cdf6 JS |
374 | |
375 | /* | |
376 | * According to RFC 2047, we could encode the special character | |
377 | * ' ' (space) with '_' (underscore) for readability. But many | |
378 | * programs do not understand this and just leave the | |
379 | * underscore in place. Thus, we do nothing special here, which | |
380 | * causes ' ' to be encoded as '=20', avoiding this problem. | |
381 | */ | |
a1f6baa5 | 382 | |
6cd3c053 KS |
383 | if (line_len + encoded_len + 2 > max_encoded_length) { |
384 | /* It won't fit with trailing "?=" --- break the line */ | |
a1f6baa5 JK |
385 | strbuf_addf(sb, "?=\n =?%s?q?", encoding); |
386 | line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ | |
387 | } | |
388 | ||
6cd3c053 KS |
389 | for (i = 0; i < chrlen; i++) |
390 | strbuf_addf(sb, encoded_fmt, p[i]); | |
391 | line_len += encoded_len; | |
93fc05eb | 392 | } |
93fc05eb JS |
393 | strbuf_addstr(sb, "?="); |
394 | } | |
395 | ||
d1053246 JK |
396 | const char *show_ident_date(const struct ident_split *ident, |
397 | enum date_mode mode) | |
9dbe7c3d RS |
398 | { |
399 | unsigned long date = 0; | |
3f419d45 | 400 | long tz = 0; |
9dbe7c3d RS |
401 | |
402 | if (ident->date_begin && ident->date_end) | |
403 | date = strtoul(ident->date_begin, NULL, 10); | |
1dca155f JK |
404 | if (date_overflows(date)) |
405 | date = 0; | |
406 | else { | |
407 | if (ident->tz_begin && ident->tz_end) | |
408 | tz = strtol(ident->tz_begin, NULL, 10); | |
3f419d45 | 409 | if (tz >= INT_MAX || tz <= INT_MIN) |
1dca155f JK |
410 | tz = 0; |
411 | } | |
9dbe7c3d RS |
412 | return show_date(date, tz, mode); |
413 | } | |
414 | ||
10f2fbff | 415 | void pp_user_info(struct pretty_print_context *pp, |
6bf13944 JK |
416 | const char *what, struct strbuf *sb, |
417 | const char *line, const char *encoding) | |
93fc05eb | 418 | { |
3c020bd5 | 419 | struct ident_split ident; |
9dbe7c3d | 420 | char *line_end; |
dffd325f AP |
421 | const char *mailbuf, *namebuf; |
422 | size_t namelen, maillen; | |
41dd00ba | 423 | int max_length = 78; /* per rfc2822 */ |
93fc05eb | 424 | |
6bf13944 | 425 | if (pp->fmt == CMIT_FMT_ONELINE) |
93fc05eb | 426 | return; |
3c020bd5 | 427 | |
30e77bcb RS |
428 | line_end = strchrnul(line, '\n'); |
429 | if (split_ident_line(&ident, line, line_end - line)) | |
93fc05eb | 430 | return; |
3c020bd5 | 431 | |
dffd325f AP |
432 | mailbuf = ident.mail_begin; |
433 | maillen = ident.mail_end - ident.mail_begin; | |
434 | namebuf = ident.name_begin; | |
435 | namelen = ident.name_end - ident.name_begin; | |
436 | ||
437 | if (pp->mailmap) | |
438 | map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); | |
439 | ||
6bf13944 | 440 | if (pp->fmt == CMIT_FMT_EMAIL) { |
662cc30c | 441 | if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { |
a9080475 JK |
442 | struct strbuf buf = STRBUF_INIT; |
443 | ||
444 | strbuf_addstr(&buf, "From: "); | |
445 | strbuf_add(&buf, namebuf, namelen); | |
446 | strbuf_addstr(&buf, " <"); | |
447 | strbuf_add(&buf, mailbuf, maillen); | |
448 | strbuf_addstr(&buf, ">\n"); | |
449 | string_list_append(&pp->in_body_headers, | |
450 | strbuf_detach(&buf, NULL)); | |
451 | ||
452 | mailbuf = pp->from_ident->mail_begin; | |
453 | maillen = pp->from_ident->mail_end - mailbuf; | |
454 | namebuf = pp->from_ident->name_begin; | |
455 | namelen = pp->from_ident->name_end - namebuf; | |
456 | } | |
457 | ||
93fc05eb | 458 | strbuf_addstr(sb, "From: "); |
a0511b39 RS |
459 | if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) { |
460 | add_rfc2047(sb, namebuf, namelen, | |
dffd325f | 461 | encoding, RFC2047_ADDRESS); |
41dd00ba | 462 | max_length = 76; /* per rfc2047 */ |
a0511b39 | 463 | } else if (needs_rfc822_quoting(namebuf, namelen)) { |
4d03c18a | 464 | struct strbuf quoted = STRBUF_INIT; |
a0511b39 | 465 | add_rfc822_quoted("ed, namebuf, namelen); |
41dd00ba JS |
466 | strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, |
467 | -6, 1, max_length); | |
4d03c18a | 468 | strbuf_release("ed); |
41dd00ba | 469 | } else { |
a0511b39 | 470 | strbuf_add_wrapped_bytes(sb, namebuf, namelen, |
dffd325f | 471 | -6, 1, max_length); |
4d03c18a | 472 | } |
dffd325f | 473 | |
97a17e77 RS |
474 | if (max_length < |
475 | last_line_length(sb) + strlen(" <") + maillen + strlen(">")) | |
476 | strbuf_addch(sb, '\n'); | |
a0511b39 | 477 | strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); |
93fc05eb | 478 | } else { |
a0511b39 RS |
479 | strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, |
480 | (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", | |
481 | (int)namelen, namebuf, (int)maillen, mailbuf); | |
93fc05eb | 482 | } |
dffd325f | 483 | |
6bf13944 | 484 | switch (pp->fmt) { |
93fc05eb | 485 | case CMIT_FMT_MEDIUM: |
9dbe7c3d RS |
486 | strbuf_addf(sb, "Date: %s\n", |
487 | show_ident_date(&ident, pp->date_mode)); | |
93fc05eb JS |
488 | break; |
489 | case CMIT_FMT_EMAIL: | |
9dbe7c3d RS |
490 | strbuf_addf(sb, "Date: %s\n", |
491 | show_ident_date(&ident, DATE_RFC2822)); | |
93fc05eb JS |
492 | break; |
493 | case CMIT_FMT_FULLER: | |
9dbe7c3d RS |
494 | strbuf_addf(sb, "%sDate: %s\n", what, |
495 | show_ident_date(&ident, pp->date_mode)); | |
93fc05eb JS |
496 | break; |
497 | default: | |
498 | /* notin' */ | |
499 | break; | |
500 | } | |
501 | } | |
502 | ||
503 | static int is_empty_line(const char *line, int *len_p) | |
504 | { | |
505 | int len = *len_p; | |
35b2fa5b | 506 | while (len && isspace(line[len - 1])) |
93fc05eb JS |
507 | len--; |
508 | *len_p = len; | |
509 | return !len; | |
510 | } | |
511 | ||
a0109668 RS |
512 | static const char *skip_empty_lines(const char *msg) |
513 | { | |
514 | for (;;) { | |
515 | int linelen = get_one_line(msg); | |
516 | int ll = linelen; | |
517 | if (!linelen) | |
518 | break; | |
519 | if (!is_empty_line(msg, &ll)) | |
520 | break; | |
521 | msg += linelen; | |
522 | } | |
523 | return msg; | |
524 | } | |
525 | ||
6bf13944 JK |
526 | static void add_merge_info(const struct pretty_print_context *pp, |
527 | struct strbuf *sb, const struct commit *commit) | |
93fc05eb JS |
528 | { |
529 | struct commit_list *parent = commit->parents; | |
530 | ||
6bf13944 | 531 | if ((pp->fmt == CMIT_FMT_ONELINE) || (pp->fmt == CMIT_FMT_EMAIL) || |
93fc05eb JS |
532 | !parent || !parent->next) |
533 | return; | |
534 | ||
535 | strbuf_addstr(sb, "Merge:"); | |
536 | ||
537 | while (parent) { | |
538 | struct commit *p = parent->item; | |
539 | const char *hex = NULL; | |
6bf13944 JK |
540 | if (pp->abbrev) |
541 | hex = find_unique_abbrev(p->object.sha1, pp->abbrev); | |
93fc05eb JS |
542 | if (!hex) |
543 | hex = sha1_to_hex(p->object.sha1); | |
93fc05eb JS |
544 | parent = parent->next; |
545 | ||
7fcda920 | 546 | strbuf_addf(sb, " %s", hex); |
93fc05eb JS |
547 | } |
548 | strbuf_addch(sb, '\n'); | |
549 | } | |
550 | ||
dd0d388c JK |
551 | static char *get_header(const struct commit *commit, const char *msg, |
552 | const char *key) | |
93fc05eb JS |
553 | { |
554 | int key_len = strlen(key); | |
dd0d388c | 555 | const char *line = msg; |
93fc05eb | 556 | |
a9c7a8a8 | 557 | while (line) { |
2c5495f7 | 558 | const char *eol = strchrnul(line, '\n'), *next; |
93fc05eb JS |
559 | |
560 | if (line == eol) | |
561 | return NULL; | |
2c5495f7 | 562 | if (!*eol) { |
a9c7a8a8 JK |
563 | warning("malformed commit (header is missing newline): %s", |
564 | sha1_to_hex(commit->object.sha1)); | |
93fc05eb JS |
565 | next = NULL; |
566 | } else | |
567 | next = eol + 1; | |
568 | if (eol - line > key_len && | |
569 | !strncmp(line, key, key_len) && | |
570 | line[key_len] == ' ') { | |
571 | return xmemdupz(line + key_len + 1, eol - line - key_len - 1); | |
572 | } | |
573 | line = next; | |
574 | } | |
a9c7a8a8 | 575 | return NULL; |
93fc05eb JS |
576 | } |
577 | ||
578 | static char *replace_encoding_header(char *buf, const char *encoding) | |
579 | { | |
f285a2d7 | 580 | struct strbuf tmp = STRBUF_INIT; |
93fc05eb JS |
581 | size_t start, len; |
582 | char *cp = buf; | |
583 | ||
584 | /* guess if there is an encoding header before a \n\n */ | |
585 | while (strncmp(cp, "encoding ", strlen("encoding "))) { | |
586 | cp = strchr(cp, '\n'); | |
587 | if (!cp || *++cp == '\n') | |
588 | return buf; | |
589 | } | |
590 | start = cp - buf; | |
591 | cp = strchr(cp, '\n'); | |
592 | if (!cp) | |
593 | return buf; /* should not happen but be defensive */ | |
594 | len = cp + 1 - (buf + start); | |
595 | ||
93fc05eb JS |
596 | strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); |
597 | if (is_encoding_utf8(encoding)) { | |
598 | /* we have re-coded to UTF-8; drop the header */ | |
599 | strbuf_remove(&tmp, start, len); | |
600 | } else { | |
601 | /* just replaces XXXX in 'encoding XXXX\n' */ | |
602 | strbuf_splice(&tmp, start + strlen("encoding "), | |
603 | len - strlen("encoding \n"), | |
604 | encoding, strlen(encoding)); | |
605 | } | |
606 | return strbuf_detach(&tmp, NULL); | |
607 | } | |
608 | ||
177b29dc | 609 | char *logmsg_reencode(const struct commit *commit, |
5a10d236 | 610 | char **commit_encoding, |
177b29dc | 611 | const char *output_encoding) |
93fc05eb | 612 | { |
330db18c | 613 | static const char *utf8 = "UTF-8"; |
93fc05eb JS |
614 | const char *use_encoding; |
615 | char *encoding; | |
dd0d388c | 616 | char *msg = commit->buffer; |
93fc05eb JS |
617 | char *out; |
618 | ||
be5c9fb9 JK |
619 | if (!msg) { |
620 | enum object_type type; | |
621 | unsigned long size; | |
622 | ||
623 | msg = read_sha1_file(commit->object.sha1, &type, &size); | |
624 | if (!msg) | |
625 | die("Cannot read commit object %s", | |
626 | sha1_to_hex(commit->object.sha1)); | |
627 | if (type != OBJ_COMMIT) | |
628 | die("Expected commit for '%s', got %s", | |
629 | sha1_to_hex(commit->object.sha1), typename(type)); | |
630 | } | |
631 | ||
5a10d236 NTND |
632 | if (!output_encoding || !*output_encoding) { |
633 | if (commit_encoding) | |
634 | *commit_encoding = | |
635 | get_header(commit, msg, "encoding"); | |
dd0d388c | 636 | return msg; |
5a10d236 | 637 | } |
dd0d388c | 638 | encoding = get_header(commit, msg, "encoding"); |
5a10d236 NTND |
639 | if (commit_encoding) |
640 | *commit_encoding = encoding; | |
93fc05eb | 641 | use_encoding = encoding ? encoding : utf8; |
be5c9fb9 JK |
642 | if (same_encoding(use_encoding, output_encoding)) { |
643 | /* | |
644 | * No encoding work to be done. If we have no encoding header | |
645 | * at all, then there's nothing to do, and we can return the | |
646 | * message verbatim (whether newly allocated or not). | |
647 | */ | |
648 | if (!encoding) | |
649 | return msg; | |
650 | ||
651 | /* | |
652 | * Otherwise, we still want to munge the encoding header in the | |
653 | * result, which will be done by modifying the buffer. If we | |
654 | * are using a fresh copy, we can reuse it. But if we are using | |
655 | * the cached copy from commit->buffer, we need to duplicate it | |
656 | * to avoid munging commit->buffer. | |
657 | */ | |
658 | out = msg; | |
659 | if (out == commit->buffer) | |
660 | out = xstrdup(out); | |
661 | } | |
662 | else { | |
663 | /* | |
664 | * There's actual encoding work to do. Do the reencoding, which | |
665 | * still leaves the header to be replaced in the next step. At | |
666 | * this point, we are done with msg. If we allocated a fresh | |
667 | * copy, we can free it. | |
668 | */ | |
669 | out = reencode_string(msg, output_encoding, use_encoding); | |
670 | if (out && msg != commit->buffer) | |
671 | free(msg); | |
672 | } | |
673 | ||
674 | /* | |
675 | * This replacement actually consumes the buffer we hand it, so we do | |
676 | * not have to worry about freeing the old "out" here. | |
677 | */ | |
93fc05eb JS |
678 | if (out) |
679 | out = replace_encoding_header(out, output_encoding); | |
680 | ||
5a10d236 NTND |
681 | if (!commit_encoding) |
682 | free(encoding); | |
dd0d388c JK |
683 | /* |
684 | * If the re-encoding failed, out might be NULL here; in that | |
685 | * case we just return the commit message verbatim. | |
686 | */ | |
687 | return out ? out : msg; | |
688 | } | |
689 | ||
690 | void logmsg_free(char *msg, const struct commit *commit) | |
691 | { | |
692 | if (msg != commit->buffer) | |
693 | free(msg); | |
93fc05eb JS |
694 | } |
695 | ||
ea02ffa3 AP |
696 | static int mailmap_name(const char **email, size_t *email_len, |
697 | const char **name, size_t *name_len) | |
e0cbc397 | 698 | { |
c455c87c | 699 | static struct string_list *mail_map; |
e0cbc397 JS |
700 | if (!mail_map) { |
701 | mail_map = xcalloc(1, sizeof(*mail_map)); | |
d551a488 | 702 | read_mailmap(mail_map, NULL); |
e0cbc397 | 703 | } |
d20d654f | 704 | return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); |
e0cbc397 JS |
705 | } |
706 | ||
c3a670de | 707 | static size_t format_person_part(struct strbuf *sb, char part, |
d36f8679 | 708 | const char *msg, int len, enum date_mode dmode) |
93fc05eb | 709 | { |
c3a670de MC |
710 | /* currently all placeholders have same length */ |
711 | const int placeholder_len = 2; | |
4b340cfa | 712 | struct ident_split s; |
ea02ffa3 AP |
713 | const char *name, *mail; |
714 | size_t maillen, namelen; | |
93fc05eb | 715 | |
4b340cfa | 716 | if (split_ident_line(&s, msg, len) < 0) |
c3a670de MC |
717 | goto skip; |
718 | ||
ea02ffa3 AP |
719 | name = s.name_begin; |
720 | namelen = s.name_end - s.name_begin; | |
721 | mail = s.mail_begin; | |
722 | maillen = s.mail_end - s.mail_begin; | |
723 | ||
724 | if (part == 'N' || part == 'E') /* mailmap lookup */ | |
725 | mailmap_name(&mail, &maillen, &name, &namelen); | |
e0cbc397 | 726 | if (part == 'n' || part == 'N') { /* name */ |
ea02ffa3 | 727 | strbuf_add(sb, name, namelen); |
c3a670de | 728 | return placeholder_len; |
cde75e59 | 729 | } |
d20d654f | 730 | if (part == 'e' || part == 'E') { /* email */ |
ea02ffa3 | 731 | strbuf_add(sb, mail, maillen); |
c3a670de | 732 | return placeholder_len; |
cde75e59 | 733 | } |
93fc05eb | 734 | |
4b340cfa | 735 | if (!s.date_begin) |
c3a670de | 736 | goto skip; |
93fc05eb | 737 | |
cde75e59 | 738 | if (part == 't') { /* date, UNIX timestamp */ |
4b340cfa | 739 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
c3a670de | 740 | return placeholder_len; |
cde75e59 | 741 | } |
93fc05eb | 742 | |
cde75e59 RS |
743 | switch (part) { |
744 | case 'd': /* date */ | |
9dbe7c3d | 745 | strbuf_addstr(sb, show_ident_date(&s, dmode)); |
c3a670de | 746 | return placeholder_len; |
cde75e59 | 747 | case 'D': /* date, RFC2822 style */ |
9dbe7c3d | 748 | strbuf_addstr(sb, show_ident_date(&s, DATE_RFC2822)); |
c3a670de | 749 | return placeholder_len; |
cde75e59 | 750 | case 'r': /* date, relative */ |
9dbe7c3d | 751 | strbuf_addstr(sb, show_ident_date(&s, DATE_RELATIVE)); |
c3a670de | 752 | return placeholder_len; |
cde75e59 | 753 | case 'i': /* date, ISO 8601 */ |
9dbe7c3d | 754 | strbuf_addstr(sb, show_ident_date(&s, DATE_ISO8601)); |
c3a670de | 755 | return placeholder_len; |
cde75e59 | 756 | } |
c3a670de MC |
757 | |
758 | skip: | |
759 | /* | |
4b340cfa JH |
760 | * reading from either a bogus commit, or a reflog entry with |
761 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
762 | * to compute a valid return value. | |
c3a670de MC |
763 | */ |
764 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
765 | || part == 'D' || part == 'r' || part == 'i') | |
766 | return placeholder_len; | |
767 | ||
768 | return 0; /* unknown placeholder */ | |
93fc05eb JS |
769 | } |
770 | ||
f29d5958 RS |
771 | struct chunk { |
772 | size_t off; | |
773 | size_t len; | |
774 | }; | |
775 | ||
a5752342 NTND |
776 | enum flush_type { |
777 | no_flush, | |
778 | flush_right, | |
779 | flush_left, | |
1640632b | 780 | flush_left_and_steal, |
a5752342 NTND |
781 | flush_both |
782 | }; | |
783 | ||
a7f01c6b NTND |
784 | enum trunc_type { |
785 | trunc_none, | |
786 | trunc_left, | |
787 | trunc_middle, | |
788 | trunc_right | |
789 | }; | |
790 | ||
f29d5958 RS |
791 | struct format_commit_context { |
792 | const struct commit *commit; | |
dd2e794a | 793 | const struct pretty_print_context *pretty_ctx; |
f53bd743 RS |
794 | unsigned commit_header_parsed:1; |
795 | unsigned commit_message_parsed:1; | |
ffb6d7d5 | 796 | struct signature_check signature_check; |
a5752342 | 797 | enum flush_type flush_type; |
a7f01c6b | 798 | enum trunc_type truncate; |
177b29dc | 799 | char *message; |
0940a76d | 800 | char *commit_encoding; |
02edd56b | 801 | size_t width, indent1, indent2; |
a95f067e | 802 | int auto_color; |
a5752342 | 803 | int padding; |
f29d5958 RS |
804 | |
805 | /* These offsets are relative to the start of the commit message. */ | |
f29d5958 RS |
806 | struct chunk author; |
807 | struct chunk committer; | |
f53bd743 RS |
808 | size_t message_off; |
809 | size_t subject_off; | |
f29d5958 | 810 | size_t body_off; |
b9c62321 RS |
811 | |
812 | /* The following ones are relative to the result struct strbuf. */ | |
813 | struct chunk abbrev_commit_hash; | |
814 | struct chunk abbrev_tree_hash; | |
815 | struct chunk abbrev_parent_hashes; | |
02edd56b | 816 | size_t wrap_start; |
f29d5958 RS |
817 | }; |
818 | ||
b9c62321 RS |
819 | static int add_again(struct strbuf *sb, struct chunk *chunk) |
820 | { | |
821 | if (chunk->len) { | |
822 | strbuf_adddup(sb, chunk->off, chunk->len); | |
823 | return 1; | |
824 | } | |
825 | ||
826 | /* | |
827 | * We haven't seen this chunk before. Our caller is surely | |
828 | * going to add it the hard way now. Remember the most likely | |
829 | * start of the to-be-added chunk: the current end of the | |
830 | * struct strbuf. | |
831 | */ | |
832 | chunk->off = sb->len; | |
833 | return 0; | |
834 | } | |
835 | ||
f29d5958 | 836 | static void parse_commit_header(struct format_commit_context *context) |
93fc05eb | 837 | { |
177b29dc | 838 | const char *msg = context->message; |
93fc05eb | 839 | int i; |
f29d5958 | 840 | |
f53bd743 | 841 | for (i = 0; msg[i]; i++) { |
f29d5958 RS |
842 | int eol; |
843 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
844 | ; /* do nothing */ | |
845 | ||
f29d5958 | 846 | if (i == eol) { |
f53bd743 | 847 | break; |
59556548 | 848 | } else if (starts_with(msg + i, "author ")) { |
f29d5958 RS |
849 | context->author.off = i + 7; |
850 | context->author.len = eol - i - 7; | |
59556548 | 851 | } else if (starts_with(msg + i, "committer ")) { |
f29d5958 RS |
852 | context->committer.off = i + 10; |
853 | context->committer.len = eol - i - 10; | |
f29d5958 RS |
854 | } |
855 | i = eol; | |
856 | } | |
f53bd743 | 857 | context->message_off = i; |
f29d5958 RS |
858 | context->commit_header_parsed = 1; |
859 | } | |
860 | ||
46d164b0 SB |
861 | static int istitlechar(char c) |
862 | { | |
863 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
864 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
865 | } | |
866 | ||
867 | static void format_sanitized_subject(struct strbuf *sb, const char *msg) | |
868 | { | |
869 | size_t trimlen; | |
871d21d4 | 870 | size_t start_len = sb->len; |
46d164b0 SB |
871 | int space = 2; |
872 | ||
873 | for (; *msg && *msg != '\n'; msg++) { | |
874 | if (istitlechar(*msg)) { | |
875 | if (space == 1) | |
876 | strbuf_addch(sb, '-'); | |
877 | space = 0; | |
878 | strbuf_addch(sb, *msg); | |
879 | if (*msg == '.') | |
880 | while (*(msg+1) == '.') | |
881 | msg++; | |
882 | } else | |
883 | space |= 1; | |
884 | } | |
885 | ||
886 | /* trim any trailing '.' or '-' characters */ | |
887 | trimlen = 0; | |
871d21d4 SB |
888 | while (sb->len - trimlen > start_len && |
889 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
890 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
46d164b0 SB |
891 | trimlen++; |
892 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
893 | } | |
894 | ||
cec08717 RS |
895 | const char *format_subject(struct strbuf *sb, const char *msg, |
896 | const char *line_separator) | |
88c44735 RS |
897 | { |
898 | int first = 1; | |
899 | ||
900 | for (;;) { | |
901 | const char *line = msg; | |
902 | int linelen = get_one_line(line); | |
903 | ||
904 | msg += linelen; | |
905 | if (!linelen || is_empty_line(line, &linelen)) | |
906 | break; | |
907 | ||
f53bd743 RS |
908 | if (!sb) |
909 | continue; | |
88c44735 RS |
910 | strbuf_grow(sb, linelen + 2); |
911 | if (!first) | |
912 | strbuf_addstr(sb, line_separator); | |
913 | strbuf_add(sb, line, linelen); | |
914 | first = 0; | |
915 | } | |
916 | return msg; | |
917 | } | |
918 | ||
f53bd743 RS |
919 | static void parse_commit_message(struct format_commit_context *c) |
920 | { | |
177b29dc PN |
921 | const char *msg = c->message + c->message_off; |
922 | const char *start = c->message; | |
f53bd743 RS |
923 | |
924 | msg = skip_empty_lines(msg); | |
925 | c->subject_off = msg - start; | |
926 | ||
927 | msg = format_subject(NULL, msg, NULL); | |
928 | msg = skip_empty_lines(msg); | |
929 | c->body_off = msg - start; | |
930 | ||
931 | c->commit_message_parsed = 1; | |
932 | } | |
933 | ||
02edd56b RS |
934 | static void strbuf_wrap(struct strbuf *sb, size_t pos, |
935 | size_t width, size_t indent1, size_t indent2) | |
936 | { | |
937 | struct strbuf tmp = STRBUF_INIT; | |
938 | ||
939 | if (pos) | |
940 | strbuf_add(&tmp, sb->buf, pos); | |
941 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
942 | (int) indent1, (int) indent2, (int) width); | |
943 | strbuf_swap(&tmp, sb); | |
944 | strbuf_release(&tmp); | |
945 | } | |
946 | ||
947 | static void rewrap_message_tail(struct strbuf *sb, | |
948 | struct format_commit_context *c, | |
949 | size_t new_width, size_t new_indent1, | |
950 | size_t new_indent2) | |
951 | { | |
952 | if (c->width == new_width && c->indent1 == new_indent1 && | |
953 | c->indent2 == new_indent2) | |
954 | return; | |
32ca4249 | 955 | if (c->wrap_start < sb->len) |
02edd56b RS |
956 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
957 | c->wrap_start = sb->len; | |
958 | c->width = new_width; | |
959 | c->indent1 = new_indent1; | |
960 | c->indent2 = new_indent2; | |
961 | } | |
962 | ||
cd1957f5 JK |
963 | static int format_reflog_person(struct strbuf *sb, |
964 | char part, | |
965 | struct reflog_walk_info *log, | |
966 | enum date_mode dmode) | |
967 | { | |
968 | const char *ident; | |
969 | ||
970 | if (!log) | |
971 | return 2; | |
972 | ||
973 | ident = get_reflog_ident(log); | |
974 | if (!ident) | |
975 | return 2; | |
976 | ||
977 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
978 | } | |
979 | ||
fcabc2d9 NTND |
980 | static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ |
981 | const char *placeholder, | |
982 | struct format_commit_context *c) | |
983 | { | |
984 | if (placeholder[1] == '(') { | |
985 | const char *begin = placeholder + 2; | |
986 | const char *end = strchr(begin, ')'); | |
987 | char color[COLOR_MAXLEN]; | |
988 | ||
989 | if (!end) | |
990 | return 0; | |
59556548 | 991 | if (starts_with(begin, "auto,")) { |
fcabc2d9 NTND |
992 | if (!want_color(c->pretty_ctx->color)) |
993 | return end - placeholder + 1; | |
994 | begin += 5; | |
995 | } | |
996 | color_parse_mem(begin, | |
997 | end - begin, | |
998 | "--pretty format", color); | |
999 | strbuf_addstr(sb, color); | |
1000 | return end - placeholder + 1; | |
1001 | } | |
59556548 | 1002 | if (starts_with(placeholder + 1, "red")) { |
fcabc2d9 NTND |
1003 | strbuf_addstr(sb, GIT_COLOR_RED); |
1004 | return 4; | |
59556548 | 1005 | } else if (starts_with(placeholder + 1, "green")) { |
fcabc2d9 NTND |
1006 | strbuf_addstr(sb, GIT_COLOR_GREEN); |
1007 | return 6; | |
59556548 | 1008 | } else if (starts_with(placeholder + 1, "blue")) { |
fcabc2d9 NTND |
1009 | strbuf_addstr(sb, GIT_COLOR_BLUE); |
1010 | return 5; | |
59556548 | 1011 | } else if (starts_with(placeholder + 1, "reset")) { |
fcabc2d9 NTND |
1012 | strbuf_addstr(sb, GIT_COLOR_RESET); |
1013 | return 6; | |
1014 | } else | |
1015 | return 0; | |
1016 | } | |
1017 | ||
a5752342 NTND |
1018 | static size_t parse_padding_placeholder(struct strbuf *sb, |
1019 | const char *placeholder, | |
1020 | struct format_commit_context *c) | |
1021 | { | |
1022 | const char *ch = placeholder; | |
1023 | enum flush_type flush_type; | |
1024 | int to_column = 0; | |
1025 | ||
1026 | switch (*ch++) { | |
1027 | case '<': | |
1028 | flush_type = flush_right; | |
1029 | break; | |
1030 | case '>': | |
1031 | if (*ch == '<') { | |
1032 | flush_type = flush_both; | |
1033 | ch++; | |
1640632b NTND |
1034 | } else if (*ch == '>') { |
1035 | flush_type = flush_left_and_steal; | |
1036 | ch++; | |
a5752342 NTND |
1037 | } else |
1038 | flush_type = flush_left; | |
1039 | break; | |
1040 | default: | |
1041 | return 0; | |
1042 | } | |
1043 | ||
1044 | /* the next value means "wide enough to that column" */ | |
1045 | if (*ch == '|') { | |
1046 | to_column = 1; | |
1047 | ch++; | |
1048 | } | |
1049 | ||
1050 | if (*ch == '(') { | |
1051 | const char *start = ch + 1; | |
a7f01c6b | 1052 | const char *end = start + strcspn(start, ",)"); |
a5752342 NTND |
1053 | char *next; |
1054 | int width; | |
1055 | if (!end || end == start) | |
1056 | return 0; | |
1057 | width = strtoul(start, &next, 10); | |
1058 | if (next == start || width == 0) | |
1059 | return 0; | |
1060 | c->padding = to_column ? -width : width; | |
1061 | c->flush_type = flush_type; | |
a7f01c6b NTND |
1062 | |
1063 | if (*end == ',') { | |
1064 | start = end + 1; | |
1065 | end = strchr(start, ')'); | |
1066 | if (!end || end == start) | |
1067 | return 0; | |
59556548 | 1068 | if (starts_with(start, "trunc)")) |
a7f01c6b | 1069 | c->truncate = trunc_right; |
59556548 | 1070 | else if (starts_with(start, "ltrunc)")) |
a7f01c6b | 1071 | c->truncate = trunc_left; |
59556548 | 1072 | else if (starts_with(start, "mtrunc)")) |
a7f01c6b NTND |
1073 | c->truncate = trunc_middle; |
1074 | else | |
1075 | return 0; | |
1076 | } else | |
1077 | c->truncate = trunc_none; | |
1078 | ||
a5752342 NTND |
1079 | return end - placeholder + 1; |
1080 | } | |
1081 | return 0; | |
1082 | } | |
1083 | ||
7e77df39 NTND |
1084 | static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ |
1085 | const char *placeholder, | |
9fa708da | 1086 | void *context) |
f29d5958 RS |
1087 | { |
1088 | struct format_commit_context *c = context; | |
1089 | const struct commit *commit = c->commit; | |
177b29dc | 1090 | const char *msg = c->message; |
f29d5958 | 1091 | struct commit_list *p; |
42c8c74c | 1092 | int h1, h2; |
93fc05eb | 1093 | |
93fc05eb | 1094 | /* these are independent of the commit */ |
cde75e59 RS |
1095 | switch (placeholder[0]) { |
1096 | case 'C': | |
59556548 | 1097 | if (starts_with(placeholder + 1, "(auto)")) { |
a95f067e NTND |
1098 | c->auto_color = 1; |
1099 | return 7; /* consumed 7 bytes, "C(auto)" */ | |
1100 | } else { | |
1101 | int ret = parse_color(sb, placeholder, c); | |
1102 | if (ret) | |
1103 | c->auto_color = 0; | |
1104 | /* | |
1105 | * Otherwise, we decided to treat %C<unknown> | |
1106 | * as a literal string, and the previous | |
1107 | * %C(auto) is still valid. | |
1108 | */ | |
1109 | return ret; | |
c002922a | 1110 | } |
cde75e59 RS |
1111 | case 'n': /* newline */ |
1112 | strbuf_addch(sb, '\n'); | |
c3a670de | 1113 | return 1; |
42c8c74c GS |
1114 | case 'x': |
1115 | /* %x00 == NUL, %x0a == LF, etc. */ | |
1116 | if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) && | |
1117 | h1 <= 16 && | |
1118 | 0 <= (h2 = hexval_table[0xff & placeholder[2]]) && | |
1119 | h2 <= 16) { | |
1120 | strbuf_addch(sb, (h1<<4)|h2); | |
1121 | return 3; | |
1122 | } else | |
1123 | return 0; | |
02edd56b RS |
1124 | case 'w': |
1125 | if (placeholder[1] == '(') { | |
1126 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
1127 | char *next; | |
1128 | const char *start = placeholder + 2; | |
1129 | const char *end = strchr(start, ')'); | |
1130 | if (!end) | |
1131 | return 0; | |
1132 | if (end > start) { | |
1133 | width = strtoul(start, &next, 10); | |
1134 | if (*next == ',') { | |
1135 | indent1 = strtoul(next + 1, &next, 10); | |
1136 | if (*next == ',') { | |
1137 | indent2 = strtoul(next + 1, | |
1138 | &next, 10); | |
1139 | } | |
1140 | } | |
1141 | if (*next != ')') | |
1142 | return 0; | |
1143 | } | |
1144 | rewrap_message_tail(sb, c, width, indent1, indent2); | |
1145 | return end - placeholder + 1; | |
1146 | } else | |
1147 | return 0; | |
a5752342 NTND |
1148 | |
1149 | case '<': | |
1150 | case '>': | |
1151 | return parse_padding_placeholder(sb, placeholder, c); | |
cde75e59 | 1152 | } |
93fc05eb JS |
1153 | |
1154 | /* these depend on the commit */ | |
1155 | if (!commit->object.parsed) | |
1156 | parse_object(commit->object.sha1); | |
93fc05eb | 1157 | |
cde75e59 RS |
1158 | switch (placeholder[0]) { |
1159 | case 'H': /* commit hash */ | |
a95f067e | 1160 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
cde75e59 | 1161 | strbuf_addstr(sb, sha1_to_hex(commit->object.sha1)); |
a95f067e | 1162 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1163 | return 1; |
cde75e59 | 1164 | case 'h': /* abbreviated commit hash */ |
a95f067e NTND |
1165 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
1166 | if (add_again(sb, &c->abbrev_commit_hash)) { | |
1167 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); | |
c3a670de | 1168 | return 1; |
a95f067e | 1169 | } |
cde75e59 | 1170 | strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1, |
c1977021 | 1171 | c->pretty_ctx->abbrev)); |
a95f067e | 1172 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
b9c62321 | 1173 | c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off; |
c3a670de | 1174 | return 1; |
cde75e59 RS |
1175 | case 'T': /* tree hash */ |
1176 | strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1)); | |
c3a670de | 1177 | return 1; |
cde75e59 | 1178 | case 't': /* abbreviated tree hash */ |
b9c62321 | 1179 | if (add_again(sb, &c->abbrev_tree_hash)) |
c3a670de | 1180 | return 1; |
cde75e59 | 1181 | strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1, |
c1977021 | 1182 | c->pretty_ctx->abbrev)); |
b9c62321 | 1183 | c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off; |
c3a670de | 1184 | return 1; |
cde75e59 RS |
1185 | case 'P': /* parent hashes */ |
1186 | for (p = commit->parents; p; p = p->next) { | |
1187 | if (p != commit->parents) | |
1188 | strbuf_addch(sb, ' '); | |
1189 | strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1)); | |
1190 | } | |
c3a670de | 1191 | return 1; |
cde75e59 | 1192 | case 'p': /* abbreviated parent hashes */ |
b9c62321 | 1193 | if (add_again(sb, &c->abbrev_parent_hashes)) |
c3a670de | 1194 | return 1; |
cde75e59 RS |
1195 | for (p = commit->parents; p; p = p->next) { |
1196 | if (p != commit->parents) | |
1197 | strbuf_addch(sb, ' '); | |
1198 | strbuf_addstr(sb, find_unique_abbrev( | |
c1977021 WP |
1199 | p->item->object.sha1, |
1200 | c->pretty_ctx->abbrev)); | |
cde75e59 | 1201 | } |
b9c62321 RS |
1202 | c->abbrev_parent_hashes.len = sb->len - |
1203 | c->abbrev_parent_hashes.off; | |
c3a670de | 1204 | return 1; |
cde75e59 | 1205 | case 'm': /* left/right/bottom */ |
1df2d656 | 1206 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
c3a670de | 1207 | return 1; |
3b3d443f | 1208 | case 'd': |
9d3f002f | 1209 | load_ref_decorations(DECORATE_SHORT_REFS); |
a95f067e | 1210 | format_decorations(sb, commit, c->auto_color); |
3b3d443f | 1211 | return 1; |
8f8f5476 TR |
1212 | case 'g': /* reflog info */ |
1213 | switch(placeholder[1]) { | |
1214 | case 'd': /* reflog selector */ | |
1215 | case 'D': | |
1216 | if (c->pretty_ctx->reflog_info) | |
1217 | get_reflog_selector(sb, | |
1218 | c->pretty_ctx->reflog_info, | |
1219 | c->pretty_ctx->date_mode, | |
55ccf85a | 1220 | c->pretty_ctx->date_mode_explicit, |
8f8f5476 TR |
1221 | (placeholder[1] == 'd')); |
1222 | return 2; | |
1223 | case 's': /* reflog message */ | |
1224 | if (c->pretty_ctx->reflog_info) | |
1225 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1226 | return 2; | |
cd1957f5 JK |
1227 | case 'n': |
1228 | case 'N': | |
1229 | case 'e': | |
1230 | case 'E': | |
1231 | return format_reflog_person(sb, | |
1232 | placeholder[1], | |
1233 | c->pretty_ctx->reflog_info, | |
1234 | c->pretty_ctx->date_mode); | |
8f8f5476 TR |
1235 | } |
1236 | return 0; /* unknown %g placeholder */ | |
8b208f02 | 1237 | case 'N': |
ddf333f6 JH |
1238 | if (c->pretty_ctx->notes_message) { |
1239 | strbuf_addstr(sb, c->pretty_ctx->notes_message); | |
5b163603 JG |
1240 | return 1; |
1241 | } | |
1242 | return 0; | |
cde75e59 RS |
1243 | } |
1244 | ||
f6667c5e | 1245 | if (placeholder[0] == 'G') { |
ffb6d7d5 SG |
1246 | if (!c->signature_check.result) |
1247 | check_commit_signature(c->commit, &(c->signature_check)); | |
f6667c5e JH |
1248 | switch (placeholder[1]) { |
1249 | case 'G': | |
ffb6d7d5 SG |
1250 | if (c->signature_check.gpg_output) |
1251 | strbuf_addstr(sb, c->signature_check.gpg_output); | |
f6667c5e JH |
1252 | break; |
1253 | case '?': | |
ffb6d7d5 | 1254 | switch (c->signature_check.result) { |
f6667c5e JH |
1255 | case 'G': |
1256 | case 'B': | |
e290c4b9 SG |
1257 | case 'U': |
1258 | case 'N': | |
ffb6d7d5 | 1259 | strbuf_addch(sb, c->signature_check.result); |
f6667c5e JH |
1260 | } |
1261 | break; | |
1262 | case 'S': | |
ffb6d7d5 SG |
1263 | if (c->signature_check.signer) |
1264 | strbuf_addstr(sb, c->signature_check.signer); | |
f6667c5e | 1265 | break; |
0174eeaa | 1266 | case 'K': |
ffb6d7d5 SG |
1267 | if (c->signature_check.key) |
1268 | strbuf_addstr(sb, c->signature_check.key); | |
0174eeaa | 1269 | break; |
f6667c5e JH |
1270 | } |
1271 | return 2; | |
1272 | } | |
1273 | ||
1274 | ||
cde75e59 | 1275 | /* For the rest we have to parse the commit header. */ |
f29d5958 RS |
1276 | if (!c->commit_header_parsed) |
1277 | parse_commit_header(c); | |
93fc05eb | 1278 | |
f29d5958 | 1279 | switch (placeholder[0]) { |
c3a670de MC |
1280 | case 'a': /* author ... */ |
1281 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1282 | msg + c->author.off, c->author.len, |
dd2e794a | 1283 | c->pretty_ctx->date_mode); |
c3a670de MC |
1284 | case 'c': /* committer ... */ |
1285 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1286 | msg + c->committer.off, c->committer.len, |
dd2e794a | 1287 | c->pretty_ctx->date_mode); |
c3a670de | 1288 | case 'e': /* encoding */ |
0940a76d NTND |
1289 | if (c->commit_encoding) |
1290 | strbuf_addstr(sb, c->commit_encoding); | |
c3a670de | 1291 | return 1; |
1367b12a EB |
1292 | case 'B': /* raw body */ |
1293 | /* message_off is always left at the initial newline */ | |
1294 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1295 | return 1; | |
f53bd743 RS |
1296 | } |
1297 | ||
1298 | /* Now we need to parse the commit message. */ | |
1299 | if (!c->commit_message_parsed) | |
1300 | parse_commit_message(c); | |
1301 | ||
1302 | switch (placeholder[0]) { | |
1303 | case 's': /* subject */ | |
1304 | format_subject(sb, msg + c->subject_off, " "); | |
1305 | return 1; | |
46d164b0 SB |
1306 | case 'f': /* sanitized subject */ |
1307 | format_sanitized_subject(sb, msg + c->subject_off); | |
1308 | return 1; | |
c3a670de | 1309 | case 'b': /* body */ |
f29d5958 | 1310 | strbuf_addstr(sb, msg + c->body_off); |
c3a670de | 1311 | return 1; |
93fc05eb | 1312 | } |
c3a670de | 1313 | return 0; /* unknown placeholder */ |
cde75e59 RS |
1314 | } |
1315 | ||
a5752342 NTND |
1316 | static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ |
1317 | const char *placeholder, | |
1318 | struct format_commit_context *c) | |
1319 | { | |
1320 | struct strbuf local_sb = STRBUF_INIT; | |
1321 | int total_consumed = 0, len, padding = c->padding; | |
1322 | if (padding < 0) { | |
1323 | const char *start = strrchr(sb->buf, '\n'); | |
1324 | int occupied; | |
1325 | if (!start) | |
1326 | start = sb->buf; | |
1327 | occupied = utf8_strnwidth(start, -1, 1); | |
1328 | padding = (-padding) - occupied; | |
1329 | } | |
1330 | while (1) { | |
1331 | int modifier = *placeholder == 'C'; | |
1332 | int consumed = format_commit_one(&local_sb, placeholder, c); | |
1333 | total_consumed += consumed; | |
1334 | ||
1335 | if (!modifier) | |
1336 | break; | |
1337 | ||
1338 | placeholder += consumed; | |
1339 | if (*placeholder != '%') | |
1340 | break; | |
1341 | placeholder++; | |
1342 | total_consumed++; | |
1343 | } | |
1344 | len = utf8_strnwidth(local_sb.buf, -1, 1); | |
1640632b NTND |
1345 | |
1346 | if (c->flush_type == flush_left_and_steal) { | |
1347 | const char *ch = sb->buf + sb->len - 1; | |
1348 | while (len > padding && ch > sb->buf) { | |
1349 | const char *p; | |
1350 | if (*ch == ' ') { | |
1351 | ch--; | |
1352 | padding++; | |
1353 | continue; | |
1354 | } | |
1355 | /* check for trailing ansi sequences */ | |
1356 | if (*ch != 'm') | |
1357 | break; | |
1358 | p = ch - 1; | |
1359 | while (ch - p < 10 && *p != '\033') | |
1360 | p--; | |
1361 | if (*p != '\033' || | |
1362 | ch + 1 - p != display_mode_esc_sequence_len(p)) | |
1363 | break; | |
1364 | /* | |
1365 | * got a good ansi sequence, put it back to | |
1366 | * local_sb as we're cutting sb | |
1367 | */ | |
1368 | strbuf_insert(&local_sb, 0, p, ch + 1 - p); | |
1369 | ch = p - 1; | |
1370 | } | |
1371 | strbuf_setlen(sb, ch + 1 - sb->buf); | |
1372 | c->flush_type = flush_left; | |
1373 | } | |
1374 | ||
a7f01c6b NTND |
1375 | if (len > padding) { |
1376 | switch (c->truncate) { | |
1377 | case trunc_left: | |
1378 | strbuf_utf8_replace(&local_sb, | |
1379 | 0, len - (padding - 2), | |
1380 | ".."); | |
1381 | break; | |
1382 | case trunc_middle: | |
1383 | strbuf_utf8_replace(&local_sb, | |
1384 | padding / 2 - 1, | |
1385 | len - (padding - 2), | |
1386 | ".."); | |
1387 | break; | |
1388 | case trunc_right: | |
1389 | strbuf_utf8_replace(&local_sb, | |
1390 | padding - 2, len - (padding - 2), | |
1391 | ".."); | |
1392 | break; | |
1393 | case trunc_none: | |
1394 | break; | |
1395 | } | |
a5752342 | 1396 | strbuf_addstr(sb, local_sb.buf); |
a7f01c6b | 1397 | } else { |
a5752342 NTND |
1398 | int sb_len = sb->len, offset = 0; |
1399 | if (c->flush_type == flush_left) | |
1400 | offset = padding - len; | |
1401 | else if (c->flush_type == flush_both) | |
1402 | offset = (padding - len) / 2; | |
1403 | /* | |
1404 | * we calculate padding in columns, now | |
1405 | * convert it back to chars | |
1406 | */ | |
1407 | padding = padding - len + local_sb.len; | |
1408 | strbuf_grow(sb, padding); | |
1409 | strbuf_setlen(sb, sb_len + padding); | |
1410 | memset(sb->buf + sb_len, ' ', sb->len - sb_len); | |
1411 | memcpy(sb->buf + sb_len + offset, local_sb.buf, | |
1412 | local_sb.len); | |
1413 | } | |
1414 | strbuf_release(&local_sb); | |
1415 | c->flush_type = no_flush; | |
1416 | return total_consumed; | |
1417 | } | |
1418 | ||
7e77df39 NTND |
1419 | static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ |
1420 | const char *placeholder, | |
9fa708da JH |
1421 | void *context) |
1422 | { | |
1423 | int consumed; | |
1424 | size_t orig_len; | |
1425 | enum { | |
1426 | NO_MAGIC, | |
1427 | ADD_LF_BEFORE_NON_EMPTY, | |
1428 | DEL_LF_BEFORE_EMPTY, | |
223a923c | 1429 | ADD_SP_BEFORE_NON_EMPTY |
9fa708da JH |
1430 | } magic = NO_MAGIC; |
1431 | ||
1432 | switch (placeholder[0]) { | |
1433 | case '-': | |
1434 | magic = DEL_LF_BEFORE_EMPTY; | |
1435 | break; | |
1436 | case '+': | |
1437 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1438 | break; | |
7b88176e MG |
1439 | case ' ': |
1440 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1441 | break; | |
9fa708da JH |
1442 | default: |
1443 | break; | |
1444 | } | |
1445 | if (magic != NO_MAGIC) | |
1446 | placeholder++; | |
1447 | ||
1448 | orig_len = sb->len; | |
a5752342 NTND |
1449 | if (((struct format_commit_context *)context)->flush_type != no_flush) |
1450 | consumed = format_and_pad_commit(sb, placeholder, context); | |
1451 | else | |
1452 | consumed = format_commit_one(sb, placeholder, context); | |
9fa708da JH |
1453 | if (magic == NO_MAGIC) |
1454 | return consumed; | |
1455 | ||
1456 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1457 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1458 | strbuf_setlen(sb, sb->len - 1); | |
7b88176e MG |
1459 | } else if (orig_len != sb->len) { |
1460 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
1461 | strbuf_insert(sb, orig_len, "\n", 1); | |
1462 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) | |
1463 | strbuf_insert(sb, orig_len, " ", 1); | |
9fa708da JH |
1464 | } |
1465 | return consumed + 1; | |
1466 | } | |
1467 | ||
5b163603 JG |
1468 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
1469 | void *context) | |
1470 | { | |
1471 | struct userformat_want *w = context; | |
1472 | ||
7b88176e | 1473 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
5b163603 JG |
1474 | placeholder++; |
1475 | ||
1476 | switch (*placeholder) { | |
1477 | case 'N': | |
1478 | w->notes = 1; | |
1479 | break; | |
1480 | } | |
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1485 | { | |
1486 | struct strbuf dummy = STRBUF_INIT; | |
1487 | ||
1488 | if (!fmt) { | |
1489 | if (!user_format) | |
1490 | return; | |
1491 | fmt = user_format; | |
1492 | } | |
a6253d10 | 1493 | strbuf_expand(&dummy, fmt, userformat_want_item, w); |
5b163603 JG |
1494 | strbuf_release(&dummy); |
1495 | } | |
1496 | ||
cde75e59 | 1497 | void format_commit_message(const struct commit *commit, |
7f98ebc8 | 1498 | const char *format, struct strbuf *sb, |
dd2e794a | 1499 | const struct pretty_print_context *pretty_ctx) |
cde75e59 | 1500 | { |
f29d5958 | 1501 | struct format_commit_context context; |
177b29dc | 1502 | const char *output_enc = pretty_ctx->output_encoding; |
7e77df39 | 1503 | const char *utf8 = "UTF-8"; |
f29d5958 RS |
1504 | |
1505 | memset(&context, 0, sizeof(context)); | |
1506 | context.commit = commit; | |
dd2e794a | 1507 | context.pretty_ctx = pretty_ctx; |
02edd56b | 1508 | context.wrap_start = sb->len; |
7d509878 AS |
1509 | /* |
1510 | * convert a commit message to UTF-8 first | |
1511 | * as far as 'format_commit_item' assumes it in UTF-8 | |
1512 | */ | |
0940a76d NTND |
1513 | context.message = logmsg_reencode(commit, |
1514 | &context.commit_encoding, | |
7d509878 | 1515 | utf8); |
177b29dc | 1516 | |
c3a670de | 1517 | strbuf_expand(sb, format, format_commit_item, &context); |
02edd56b | 1518 | rewrap_message_tail(sb, &context, 0, 0, 0); |
177b29dc | 1519 | |
7d509878 | 1520 | /* then convert a commit message to an actual output encoding */ |
7e77df39 NTND |
1521 | if (output_enc) { |
1522 | if (same_encoding(utf8, output_enc)) | |
1523 | output_enc = NULL; | |
1524 | } else { | |
1525 | if (context.commit_encoding && | |
1526 | !same_encoding(context.commit_encoding, utf8)) | |
1527 | output_enc = context.commit_encoding; | |
1528 | } | |
1529 | ||
1530 | if (output_enc) { | |
1531 | int outsz; | |
1532 | char *out = reencode_string_len(sb->buf, sb->len, | |
1533 | output_enc, utf8, &outsz); | |
1534 | if (out) | |
1535 | strbuf_attach(sb, out, outsz, outsz + 1); | |
1536 | } | |
1537 | ||
0940a76d | 1538 | free(context.commit_encoding); |
dd0d388c | 1539 | logmsg_free(context.message, commit); |
ffb6d7d5 SG |
1540 | free(context.signature_check.gpg_output); |
1541 | free(context.signature_check.signer); | |
93fc05eb JS |
1542 | } |
1543 | ||
10f2fbff | 1544 | static void pp_header(struct pretty_print_context *pp, |
93fc05eb JS |
1545 | const char *encoding, |
1546 | const struct commit *commit, | |
1547 | const char **msg_p, | |
1548 | struct strbuf *sb) | |
1549 | { | |
1550 | int parents_shown = 0; | |
1551 | ||
1552 | for (;;) { | |
1553 | const char *line = *msg_p; | |
1554 | int linelen = get_one_line(*msg_p); | |
1555 | ||
1556 | if (!linelen) | |
1557 | return; | |
1558 | *msg_p += linelen; | |
1559 | ||
1560 | if (linelen == 1) | |
1561 | /* End of header */ | |
1562 | return; | |
1563 | ||
6bf13944 | 1564 | if (pp->fmt == CMIT_FMT_RAW) { |
93fc05eb JS |
1565 | strbuf_add(sb, line, linelen); |
1566 | continue; | |
1567 | } | |
1568 | ||
59556548 | 1569 | if (starts_with(line, "parent ")) { |
93fc05eb JS |
1570 | if (linelen != 48) |
1571 | die("bad parent line in commit"); | |
1572 | continue; | |
1573 | } | |
1574 | ||
1575 | if (!parents_shown) { | |
1576 | struct commit_list *parent; | |
1577 | int num; | |
1578 | for (parent = commit->parents, num = 0; | |
1579 | parent; | |
1580 | parent = parent->next, num++) | |
1581 | ; | |
1582 | /* with enough slop */ | |
1583 | strbuf_grow(sb, num * 50 + 20); | |
6bf13944 | 1584 | add_merge_info(pp, sb, commit); |
93fc05eb JS |
1585 | parents_shown = 1; |
1586 | } | |
1587 | ||
1588 | /* | |
1589 | * MEDIUM == DEFAULT shows only author with dates. | |
1590 | * FULL shows both authors but not dates. | |
1591 | * FULLER shows both authors and dates. | |
1592 | */ | |
59556548 | 1593 | if (starts_with(line, "author ")) { |
93fc05eb | 1594 | strbuf_grow(sb, linelen + 80); |
6bf13944 | 1595 | pp_user_info(pp, "Author", sb, line + 7, encoding); |
93fc05eb | 1596 | } |
59556548 | 1597 | if (starts_with(line, "committer ") && |
6bf13944 | 1598 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
93fc05eb | 1599 | strbuf_grow(sb, linelen + 80); |
6bf13944 | 1600 | pp_user_info(pp, "Commit", sb, line + 10, encoding); |
93fc05eb JS |
1601 | } |
1602 | } | |
1603 | } | |
1604 | ||
10f2fbff | 1605 | void pp_title_line(struct pretty_print_context *pp, |
b02bd65f DB |
1606 | const char **msg_p, |
1607 | struct strbuf *sb, | |
b02bd65f | 1608 | const char *encoding, |
267123b4 | 1609 | int need_8bit_cte) |
93fc05eb | 1610 | { |
41dd00ba | 1611 | static const int max_length = 78; /* per rfc2047 */ |
93fc05eb JS |
1612 | struct strbuf title; |
1613 | ||
1614 | strbuf_init(&title, 80); | |
9553d2b2 JK |
1615 | *msg_p = format_subject(&title, *msg_p, |
1616 | pp->preserve_subject ? "\n" : " "); | |
93fc05eb JS |
1617 | |
1618 | strbuf_grow(sb, title.len + 1024); | |
6bf13944 JK |
1619 | if (pp->subject) { |
1620 | strbuf_addstr(sb, pp->subject); | |
41dd00ba JS |
1621 | if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) |
1622 | add_rfc2047(sb, title.buf, title.len, | |
1623 | encoding, RFC2047_SUBJECT); | |
1624 | else | |
1625 | strbuf_add_wrapped_bytes(sb, title.buf, title.len, | |
1626 | -last_line_length(sb), 1, max_length); | |
93fc05eb JS |
1627 | } else { |
1628 | strbuf_addbuf(sb, &title); | |
1629 | } | |
1630 | strbuf_addch(sb, '\n'); | |
1631 | ||
a9080475 JK |
1632 | if (need_8bit_cte == 0) { |
1633 | int i; | |
1634 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1635 | if (has_non_ascii(pp->in_body_headers.items[i].string)) { | |
1636 | need_8bit_cte = 1; | |
1637 | break; | |
1638 | } | |
1639 | } | |
1640 | } | |
1641 | ||
6bf4f1b4 | 1642 | if (need_8bit_cte > 0) { |
93fc05eb JS |
1643 | const char *header_fmt = |
1644 | "MIME-Version: 1.0\n" | |
1645 | "Content-Type: text/plain; charset=%s\n" | |
1646 | "Content-Transfer-Encoding: 8bit\n"; | |
1647 | strbuf_addf(sb, header_fmt, encoding); | |
1648 | } | |
6bf13944 JK |
1649 | if (pp->after_subject) { |
1650 | strbuf_addstr(sb, pp->after_subject); | |
93fc05eb | 1651 | } |
6bf13944 | 1652 | if (pp->fmt == CMIT_FMT_EMAIL) { |
93fc05eb JS |
1653 | strbuf_addch(sb, '\n'); |
1654 | } | |
a9080475 JK |
1655 | |
1656 | if (pp->in_body_headers.nr) { | |
1657 | int i; | |
1658 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1659 | strbuf_addstr(sb, pp->in_body_headers.items[i].string); | |
1660 | free(pp->in_body_headers.items[i].string); | |
1661 | } | |
1662 | string_list_clear(&pp->in_body_headers, 0); | |
1663 | strbuf_addch(sb, '\n'); | |
1664 | } | |
1665 | ||
93fc05eb JS |
1666 | strbuf_release(&title); |
1667 | } | |
1668 | ||
10f2fbff | 1669 | void pp_remainder(struct pretty_print_context *pp, |
b02bd65f DB |
1670 | const char **msg_p, |
1671 | struct strbuf *sb, | |
1672 | int indent) | |
93fc05eb JS |
1673 | { |
1674 | int first = 1; | |
1675 | for (;;) { | |
1676 | const char *line = *msg_p; | |
1677 | int linelen = get_one_line(line); | |
1678 | *msg_p += linelen; | |
1679 | ||
1680 | if (!linelen) | |
1681 | break; | |
1682 | ||
1683 | if (is_empty_line(line, &linelen)) { | |
1684 | if (first) | |
1685 | continue; | |
6bf13944 | 1686 | if (pp->fmt == CMIT_FMT_SHORT) |
93fc05eb JS |
1687 | break; |
1688 | } | |
1689 | first = 0; | |
1690 | ||
1691 | strbuf_grow(sb, linelen + indent + 20); | |
1692 | if (indent) { | |
1693 | memset(sb->buf + sb->len, ' ', indent); | |
1694 | strbuf_setlen(sb, sb->len + indent); | |
1695 | } | |
1696 | strbuf_add(sb, line, linelen); | |
1697 | strbuf_addch(sb, '\n'); | |
1698 | } | |
1699 | } | |
1700 | ||
10f2fbff | 1701 | void pretty_print_commit(struct pretty_print_context *pp, |
6bf13944 JK |
1702 | const struct commit *commit, |
1703 | struct strbuf *sb) | |
93fc05eb JS |
1704 | { |
1705 | unsigned long beginning_of_body; | |
1706 | int indent = 4; | |
dd0d388c | 1707 | const char *msg; |
93fc05eb JS |
1708 | char *reencoded; |
1709 | const char *encoding; | |
6bf13944 | 1710 | int need_8bit_cte = pp->need_8bit_cte; |
93fc05eb | 1711 | |
6bf13944 JK |
1712 | if (pp->fmt == CMIT_FMT_USERFORMAT) { |
1713 | format_commit_message(commit, user_format, sb, pp); | |
93fc05eb JS |
1714 | return; |
1715 | } | |
1716 | ||
e297cf5a | 1717 | encoding = get_log_output_encoding(); |
5a10d236 | 1718 | msg = reencoded = logmsg_reencode(commit, NULL, encoding); |
93fc05eb | 1719 | |
6bf13944 | 1720 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
93fc05eb JS |
1721 | indent = 0; |
1722 | ||
6bf4f1b4 JH |
1723 | /* |
1724 | * We need to check and emit Content-type: to mark it | |
1725 | * as 8-bit if we haven't done so. | |
93fc05eb | 1726 | */ |
6bf13944 | 1727 | if (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) { |
93fc05eb JS |
1728 | int i, ch, in_body; |
1729 | ||
1730 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
1731 | if (!in_body) { | |
1732 | /* author could be non 7-bit ASCII but | |
1733 | * the log may be so; skip over the | |
1734 | * header part first. | |
1735 | */ | |
1736 | if (ch == '\n' && msg[i+1] == '\n') | |
1737 | in_body = 1; | |
1738 | } | |
1739 | else if (non_ascii(ch)) { | |
6bf4f1b4 | 1740 | need_8bit_cte = 1; |
93fc05eb JS |
1741 | break; |
1742 | } | |
1743 | } | |
1744 | } | |
1745 | ||
6bf13944 JK |
1746 | pp_header(pp, encoding, commit, &msg, sb); |
1747 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) { | |
93fc05eb JS |
1748 | strbuf_addch(sb, '\n'); |
1749 | } | |
1750 | ||
1751 | /* Skip excess blank lines at the beginning of body, if any... */ | |
a0109668 | 1752 | msg = skip_empty_lines(msg); |
93fc05eb JS |
1753 | |
1754 | /* These formats treat the title line specially. */ | |
6bf13944 JK |
1755 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
1756 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); | |
93fc05eb JS |
1757 | |
1758 | beginning_of_body = sb->len; | |
6bf13944 JK |
1759 | if (pp->fmt != CMIT_FMT_ONELINE) |
1760 | pp_remainder(pp, &msg, sb, indent); | |
93fc05eb JS |
1761 | strbuf_rtrim(sb); |
1762 | ||
1763 | /* Make sure there is an EOLN for the non-oneline case */ | |
6bf13944 | 1764 | if (pp->fmt != CMIT_FMT_ONELINE) |
93fc05eb JS |
1765 | strbuf_addch(sb, '\n'); |
1766 | ||
1767 | /* | |
1768 | * The caller may append additional body text in e-mail | |
1769 | * format. Make sure we did not strip the blank line | |
1770 | * between the header and the body. | |
1771 | */ | |
6bf13944 | 1772 | if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body) |
93fc05eb | 1773 | strbuf_addch(sb, '\n'); |
a97a7468 | 1774 | |
dd0d388c | 1775 | logmsg_free(reencoded, commit); |
93fc05eb | 1776 | } |
8b8a5374 JK |
1777 | |
1778 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
1779 | struct strbuf *sb) | |
1780 | { | |
1781 | struct pretty_print_context pp = {0}; | |
6bf13944 JK |
1782 | pp.fmt = fmt; |
1783 | pretty_print_commit(&pp, commit, sb); | |
8b8a5374 | 1784 | } |