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Commit | Line | Data |
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93fc05eb JS |
1 | #include "cache.h" |
2 | #include "commit.h" | |
93fc05eb JS |
3 | #include "utf8.h" |
4 | #include "diff.h" | |
5 | #include "revision.h" | |
c455c87c | 6 | #include "string-list.h" |
e0cbc397 | 7 | #include "mailmap.h" |
3b3d443f | 8 | #include "log-tree.h" |
a97a7468 | 9 | #include "notes.h" |
c002922a | 10 | #include "color.h" |
8f8f5476 | 11 | #include "reflog-walk.h" |
f6667c5e | 12 | #include "gpg-interface.h" |
93fc05eb | 13 | |
93fc05eb | 14 | static char *user_format; |
40957891 WP |
15 | static struct cmt_fmt_map { |
16 | const char *name; | |
17 | enum cmit_fmt format; | |
18 | int is_tformat; | |
2d7671ef WP |
19 | int is_alias; |
20 | const char *user_format; | |
40957891 | 21 | } *commit_formats; |
8028184e | 22 | static size_t builtin_formats_len; |
40957891 | 23 | static size_t commit_formats_len; |
8028184e | 24 | static size_t commit_formats_alloc; |
40957891 | 25 | static struct cmt_fmt_map *find_commit_format(const char *sought); |
93fc05eb | 26 | |
b9c7d6e4 JK |
27 | int commit_format_is_empty(enum cmit_fmt fmt) |
28 | { | |
29 | return fmt == CMIT_FMT_USERFORMAT && !*user_format; | |
30 | } | |
31 | ||
36407548 NS |
32 | static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) |
33 | { | |
34 | free(user_format); | |
35 | user_format = xstrdup(cp); | |
36 | if (is_tformat) | |
37 | rev->use_terminator = 1; | |
38 | rev->commit_format = CMIT_FMT_USERFORMAT; | |
39 | } | |
40 | ||
8028184e | 41 | static int git_pretty_formats_config(const char *var, const char *value, void *cb) |
93fc05eb | 42 | { |
8028184e WP |
43 | struct cmt_fmt_map *commit_format = NULL; |
44 | const char *name; | |
45 | const char *fmt; | |
93fc05eb | 46 | int i; |
8028184e | 47 | |
95b567c7 | 48 | if (!skip_prefix(var, "pretty.", &name)) |
8028184e WP |
49 | return 0; |
50 | ||
8028184e WP |
51 | for (i = 0; i < builtin_formats_len; i++) { |
52 | if (!strcmp(commit_formats[i].name, name)) | |
53 | return 0; | |
54 | } | |
55 | ||
56 | for (i = builtin_formats_len; i < commit_formats_len; i++) { | |
57 | if (!strcmp(commit_formats[i].name, name)) { | |
58 | commit_format = &commit_formats[i]; | |
59 | break; | |
60 | } | |
61 | } | |
62 | ||
63 | if (!commit_format) { | |
64 | ALLOC_GROW(commit_formats, commit_formats_len+1, | |
65 | commit_formats_alloc); | |
66 | commit_format = &commit_formats[commit_formats_len]; | |
95a2618f | 67 | memset(commit_format, 0, sizeof(*commit_format)); |
8028184e WP |
68 | commit_formats_len++; |
69 | } | |
70 | ||
71 | commit_format->name = xstrdup(name); | |
72 | commit_format->format = CMIT_FMT_USERFORMAT; | |
73 | git_config_string(&fmt, var, value); | |
59556548 | 74 | if (starts_with(fmt, "format:") || starts_with(fmt, "tformat:")) { |
8028184e WP |
75 | commit_format->is_tformat = fmt[0] == 't'; |
76 | fmt = strchr(fmt, ':') + 1; | |
77 | } else if (strchr(fmt, '%')) | |
78 | commit_format->is_tformat = 1; | |
79 | else | |
80 | commit_format->is_alias = 1; | |
81 | commit_format->user_format = fmt; | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
40957891 | 86 | static void setup_commit_formats(void) |
93fc05eb | 87 | { |
40957891 WP |
88 | struct cmt_fmt_map builtin_formats[] = { |
89 | { "raw", CMIT_FMT_RAW, 0 }, | |
90 | { "medium", CMIT_FMT_MEDIUM, 0 }, | |
91 | { "short", CMIT_FMT_SHORT, 0 }, | |
92 | { "email", CMIT_FMT_EMAIL, 0 }, | |
93 | { "fuller", CMIT_FMT_FULLER, 0 }, | |
94 | { "full", CMIT_FMT_FULL, 0 }, | |
95 | { "oneline", CMIT_FMT_ONELINE, 1 } | |
4da45bef | 96 | }; |
40957891 | 97 | commit_formats_len = ARRAY_SIZE(builtin_formats); |
8028184e WP |
98 | builtin_formats_len = commit_formats_len; |
99 | ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); | |
40957891 WP |
100 | memcpy(commit_formats, builtin_formats, |
101 | sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats)); | |
8028184e WP |
102 | |
103 | git_config(git_pretty_formats_config, NULL); | |
40957891 WP |
104 | } |
105 | ||
2d7671ef WP |
106 | static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, |
107 | const char *original, | |
108 | int num_redirections) | |
40957891 WP |
109 | { |
110 | struct cmt_fmt_map *found = NULL; | |
111 | size_t found_match_len = 0; | |
112 | int i; | |
113 | ||
2d7671ef WP |
114 | if (num_redirections >= commit_formats_len) |
115 | die("invalid --pretty format: " | |
116 | "'%s' references an alias which points to itself", | |
117 | original); | |
40957891 WP |
118 | |
119 | for (i = 0; i < commit_formats_len; i++) { | |
120 | size_t match_len; | |
121 | ||
59556548 | 122 | if (!starts_with(commit_formats[i].name, sought)) |
40957891 WP |
123 | continue; |
124 | ||
125 | match_len = strlen(commit_formats[i].name); | |
126 | if (found == NULL || found_match_len > match_len) { | |
127 | found = &commit_formats[i]; | |
128 | found_match_len = match_len; | |
129 | } | |
130 | } | |
2d7671ef WP |
131 | |
132 | if (found && found->is_alias) { | |
133 | found = find_commit_format_recursive(found->user_format, | |
134 | original, | |
135 | num_redirections+1); | |
136 | } | |
137 | ||
40957891 WP |
138 | return found; |
139 | } | |
140 | ||
2d7671ef WP |
141 | static struct cmt_fmt_map *find_commit_format(const char *sought) |
142 | { | |
143 | if (!commit_formats) | |
144 | setup_commit_formats(); | |
145 | ||
146 | return find_commit_format_recursive(sought, sought, 0); | |
147 | } | |
148 | ||
40957891 WP |
149 | void get_commit_format(const char *arg, struct rev_info *rev) |
150 | { | |
151 | struct cmt_fmt_map *commit_format; | |
93fc05eb | 152 | |
4da45bef | 153 | rev->use_terminator = 0; |
c75e7ad2 | 154 | if (!arg) { |
4da45bef JH |
155 | rev->commit_format = CMIT_FMT_DEFAULT; |
156 | return; | |
157 | } | |
59556548 | 158 | if (starts_with(arg, "format:") || starts_with(arg, "tformat:")) { |
36407548 | 159 | save_user_format(rev, strchr(arg, ':') + 1, arg[0] == 't'); |
4da45bef | 160 | return; |
93fc05eb | 161 | } |
40957891 | 162 | |
c75e7ad2 | 163 | if (!*arg || strchr(arg, '%')) { |
36407548 NS |
164 | save_user_format(rev, arg, 1); |
165 | return; | |
166 | } | |
93fc05eb | 167 | |
40957891 WP |
168 | commit_format = find_commit_format(arg); |
169 | if (!commit_format) | |
170 | die("invalid --pretty format: %s", arg); | |
171 | ||
172 | rev->commit_format = commit_format->format; | |
173 | rev->use_terminator = commit_format->is_tformat; | |
8028184e WP |
174 | if (commit_format->format == CMIT_FMT_USERFORMAT) { |
175 | save_user_format(rev, commit_format->user_format, | |
176 | commit_format->is_tformat); | |
177 | } | |
93fc05eb JS |
178 | } |
179 | ||
180 | /* | |
181 | * Generic support for pretty-printing the header | |
182 | */ | |
183 | static int get_one_line(const char *msg) | |
184 | { | |
185 | int ret = 0; | |
186 | ||
187 | for (;;) { | |
188 | char c = *msg++; | |
189 | if (!c) | |
190 | break; | |
191 | ret++; | |
192 | if (c == '\n') | |
193 | break; | |
194 | } | |
195 | return ret; | |
196 | } | |
197 | ||
198 | /* High bit set, or ISO-2022-INT */ | |
cc571142 | 199 | static int non_ascii(int ch) |
93fc05eb | 200 | { |
c2e9364a | 201 | return !isascii(ch) || ch == '\033'; |
93fc05eb JS |
202 | } |
203 | ||
28e9cf65 JS |
204 | int has_non_ascii(const char *s) |
205 | { | |
206 | int ch; | |
207 | if (!s) | |
208 | return 0; | |
209 | while ((ch = *s++) != '\0') { | |
210 | if (non_ascii(ch)) | |
211 | return 1; | |
212 | } | |
213 | return 0; | |
214 | } | |
215 | ||
4d03c18a JK |
216 | static int is_rfc822_special(char ch) |
217 | { | |
218 | switch (ch) { | |
219 | case '(': | |
220 | case ')': | |
221 | case '<': | |
222 | case '>': | |
223 | case '[': | |
224 | case ']': | |
225 | case ':': | |
226 | case ';': | |
227 | case '@': | |
228 | case ',': | |
229 | case '.': | |
230 | case '"': | |
231 | case '\\': | |
232 | return 1; | |
233 | default: | |
234 | return 0; | |
235 | } | |
236 | } | |
237 | ||
41dd00ba | 238 | static int needs_rfc822_quoting(const char *s, int len) |
4d03c18a JK |
239 | { |
240 | int i; | |
241 | for (i = 0; i < len; i++) | |
242 | if (is_rfc822_special(s[i])) | |
243 | return 1; | |
244 | return 0; | |
245 | } | |
246 | ||
f9b7204b JS |
247 | static int last_line_length(struct strbuf *sb) |
248 | { | |
249 | int i; | |
250 | ||
251 | /* How many bytes are already used on the last line? */ | |
252 | for (i = sb->len - 1; i >= 0; i--) | |
253 | if (sb->buf[i] == '\n') | |
254 | break; | |
255 | return sb->len - (i + 1); | |
256 | } | |
257 | ||
4d03c18a JK |
258 | static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) |
259 | { | |
260 | int i; | |
261 | ||
262 | /* just a guess, we may have to also backslash-quote */ | |
263 | strbuf_grow(out, len + 2); | |
264 | ||
265 | strbuf_addch(out, '"'); | |
266 | for (i = 0; i < len; i++) { | |
267 | switch (s[i]) { | |
268 | case '"': | |
269 | case '\\': | |
270 | strbuf_addch(out, '\\'); | |
271 | /* fall through */ | |
272 | default: | |
273 | strbuf_addch(out, s[i]); | |
274 | } | |
275 | } | |
276 | strbuf_addch(out, '"'); | |
277 | } | |
278 | ||
0fcec2ce JS |
279 | enum rfc2047_type { |
280 | RFC2047_SUBJECT, | |
78273520 | 281 | RFC2047_ADDRESS |
0fcec2ce JS |
282 | }; |
283 | ||
284 | static int is_rfc2047_special(char ch, enum rfc2047_type type) | |
93fc05eb | 285 | { |
0fcec2ce JS |
286 | /* |
287 | * rfc2047, section 4.2: | |
288 | * | |
289 | * 8-bit values which correspond to printable ASCII characters other | |
290 | * than "=", "?", and "_" (underscore), MAY be represented as those | |
291 | * characters. (But see section 5 for restrictions.) In | |
292 | * particular, SPACE and TAB MUST NOT be represented as themselves | |
293 | * within encoded words. | |
294 | */ | |
295 | ||
296 | /* | |
297 | * rule out non-ASCII characters and non-printable characters (the | |
298 | * non-ASCII check should be redundant as isprint() is not localized | |
299 | * and only knows about ASCII, but be defensive about that) | |
300 | */ | |
301 | if (non_ascii(ch) || !isprint(ch)) | |
302 | return 1; | |
303 | ||
304 | /* | |
305 | * rule out special printable characters (' ' should be the only | |
306 | * whitespace character considered printable, but be defensive and use | |
307 | * isspace()) | |
308 | */ | |
309 | if (isspace(ch) || ch == '=' || ch == '?' || ch == '_') | |
94f6cdf6 JS |
310 | return 1; |
311 | ||
0fcec2ce JS |
312 | /* |
313 | * rfc2047, section 5.3: | |
314 | * | |
315 | * As a replacement for a 'word' entity within a 'phrase', for example, | |
316 | * one that precedes an address in a From, To, or Cc header. The ABNF | |
317 | * definition for 'phrase' from RFC 822 thus becomes: | |
318 | * | |
319 | * phrase = 1*( encoded-word / word ) | |
320 | * | |
321 | * In this case the set of characters that may be used in a "Q"-encoded | |
322 | * 'encoded-word' is restricted to: <upper and lower case ASCII | |
323 | * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" | |
324 | * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a | |
325 | * 'phrase' MUST be separated from any adjacent 'word', 'text' or | |
326 | * 'special' by 'linear-white-space'. | |
327 | */ | |
328 | ||
329 | if (type != RFC2047_ADDRESS) | |
330 | return 0; | |
331 | ||
332 | /* '=' and '_' are special cases and have been checked above */ | |
333 | return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/'); | |
93fc05eb JS |
334 | } |
335 | ||
41dd00ba JS |
336 | static int needs_rfc2047_encoding(const char *line, int len, |
337 | enum rfc2047_type type) | |
93fc05eb | 338 | { |
a1f6baa5 | 339 | int i; |
93fc05eb JS |
340 | |
341 | for (i = 0; i < len; i++) { | |
342 | int ch = line[i]; | |
c22e7de3 | 343 | if (non_ascii(ch) || ch == '\n') |
41dd00ba | 344 | return 1; |
93fc05eb | 345 | if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) |
41dd00ba | 346 | return 1; |
93fc05eb | 347 | } |
93fc05eb | 348 | |
41dd00ba JS |
349 | return 0; |
350 | } | |
351 | ||
6cd3c053 | 352 | static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, |
41dd00ba JS |
353 | const char *encoding, enum rfc2047_type type) |
354 | { | |
355 | static const int max_encoded_length = 76; /* per rfc2047 */ | |
356 | int i; | |
357 | int line_len = last_line_length(sb); | |
358 | ||
93fc05eb JS |
359 | strbuf_grow(sb, len * 3 + strlen(encoding) + 100); |
360 | strbuf_addf(sb, "=?%s?q?", encoding); | |
a1f6baa5 | 361 | line_len += strlen(encoding) + 5; /* 5 for =??q? */ |
6cd3c053 KS |
362 | |
363 | while (len) { | |
364 | /* | |
365 | * RFC 2047, section 5 (3): | |
366 | * | |
367 | * Each 'encoded-word' MUST represent an integral number of | |
368 | * characters. A multi-octet character may not be split across | |
369 | * adjacent 'encoded- word's. | |
370 | */ | |
371 | const unsigned char *p = (const unsigned char *)line; | |
372 | int chrlen = mbs_chrlen(&line, &len, encoding); | |
373 | int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); | |
374 | ||
375 | /* "=%02X" * chrlen, or the byte itself */ | |
376 | const char *encoded_fmt = is_special ? "=%02X" : "%c"; | |
377 | int encoded_len = is_special ? 3 * chrlen : 1; | |
94f6cdf6 JS |
378 | |
379 | /* | |
380 | * According to RFC 2047, we could encode the special character | |
381 | * ' ' (space) with '_' (underscore) for readability. But many | |
382 | * programs do not understand this and just leave the | |
383 | * underscore in place. Thus, we do nothing special here, which | |
384 | * causes ' ' to be encoded as '=20', avoiding this problem. | |
385 | */ | |
a1f6baa5 | 386 | |
6cd3c053 KS |
387 | if (line_len + encoded_len + 2 > max_encoded_length) { |
388 | /* It won't fit with trailing "?=" --- break the line */ | |
a1f6baa5 JK |
389 | strbuf_addf(sb, "?=\n =?%s?q?", encoding); |
390 | line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ | |
391 | } | |
392 | ||
6cd3c053 KS |
393 | for (i = 0; i < chrlen; i++) |
394 | strbuf_addf(sb, encoded_fmt, p[i]); | |
395 | line_len += encoded_len; | |
93fc05eb | 396 | } |
93fc05eb JS |
397 | strbuf_addstr(sb, "?="); |
398 | } | |
399 | ||
d1053246 JK |
400 | const char *show_ident_date(const struct ident_split *ident, |
401 | enum date_mode mode) | |
9dbe7c3d RS |
402 | { |
403 | unsigned long date = 0; | |
3f419d45 | 404 | long tz = 0; |
9dbe7c3d RS |
405 | |
406 | if (ident->date_begin && ident->date_end) | |
407 | date = strtoul(ident->date_begin, NULL, 10); | |
1dca155f JK |
408 | if (date_overflows(date)) |
409 | date = 0; | |
410 | else { | |
411 | if (ident->tz_begin && ident->tz_end) | |
412 | tz = strtol(ident->tz_begin, NULL, 10); | |
3f419d45 | 413 | if (tz >= INT_MAX || tz <= INT_MIN) |
1dca155f JK |
414 | tz = 0; |
415 | } | |
9dbe7c3d RS |
416 | return show_date(date, tz, mode); |
417 | } | |
418 | ||
10f2fbff | 419 | void pp_user_info(struct pretty_print_context *pp, |
6bf13944 JK |
420 | const char *what, struct strbuf *sb, |
421 | const char *line, const char *encoding) | |
93fc05eb | 422 | { |
3c020bd5 | 423 | struct ident_split ident; |
9dbe7c3d | 424 | char *line_end; |
dffd325f AP |
425 | const char *mailbuf, *namebuf; |
426 | size_t namelen, maillen; | |
41dd00ba | 427 | int max_length = 78; /* per rfc2822 */ |
93fc05eb | 428 | |
6bf13944 | 429 | if (pp->fmt == CMIT_FMT_ONELINE) |
93fc05eb | 430 | return; |
3c020bd5 | 431 | |
30e77bcb RS |
432 | line_end = strchrnul(line, '\n'); |
433 | if (split_ident_line(&ident, line, line_end - line)) | |
93fc05eb | 434 | return; |
3c020bd5 | 435 | |
dffd325f AP |
436 | mailbuf = ident.mail_begin; |
437 | maillen = ident.mail_end - ident.mail_begin; | |
438 | namebuf = ident.name_begin; | |
439 | namelen = ident.name_end - ident.name_begin; | |
440 | ||
441 | if (pp->mailmap) | |
442 | map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); | |
443 | ||
6bf13944 | 444 | if (pp->fmt == CMIT_FMT_EMAIL) { |
662cc30c | 445 | if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { |
a9080475 JK |
446 | struct strbuf buf = STRBUF_INIT; |
447 | ||
448 | strbuf_addstr(&buf, "From: "); | |
449 | strbuf_add(&buf, namebuf, namelen); | |
450 | strbuf_addstr(&buf, " <"); | |
451 | strbuf_add(&buf, mailbuf, maillen); | |
452 | strbuf_addstr(&buf, ">\n"); | |
453 | string_list_append(&pp->in_body_headers, | |
454 | strbuf_detach(&buf, NULL)); | |
455 | ||
456 | mailbuf = pp->from_ident->mail_begin; | |
457 | maillen = pp->from_ident->mail_end - mailbuf; | |
458 | namebuf = pp->from_ident->name_begin; | |
459 | namelen = pp->from_ident->name_end - namebuf; | |
460 | } | |
461 | ||
93fc05eb | 462 | strbuf_addstr(sb, "From: "); |
a0511b39 RS |
463 | if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) { |
464 | add_rfc2047(sb, namebuf, namelen, | |
dffd325f | 465 | encoding, RFC2047_ADDRESS); |
41dd00ba | 466 | max_length = 76; /* per rfc2047 */ |
a0511b39 | 467 | } else if (needs_rfc822_quoting(namebuf, namelen)) { |
4d03c18a | 468 | struct strbuf quoted = STRBUF_INIT; |
a0511b39 | 469 | add_rfc822_quoted("ed, namebuf, namelen); |
41dd00ba JS |
470 | strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, |
471 | -6, 1, max_length); | |
4d03c18a | 472 | strbuf_release("ed); |
41dd00ba | 473 | } else { |
a0511b39 | 474 | strbuf_add_wrapped_bytes(sb, namebuf, namelen, |
dffd325f | 475 | -6, 1, max_length); |
4d03c18a | 476 | } |
dffd325f | 477 | |
97a17e77 RS |
478 | if (max_length < |
479 | last_line_length(sb) + strlen(" <") + maillen + strlen(">")) | |
480 | strbuf_addch(sb, '\n'); | |
a0511b39 | 481 | strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); |
93fc05eb | 482 | } else { |
a0511b39 RS |
483 | strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, |
484 | (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", | |
485 | (int)namelen, namebuf, (int)maillen, mailbuf); | |
93fc05eb | 486 | } |
dffd325f | 487 | |
6bf13944 | 488 | switch (pp->fmt) { |
93fc05eb | 489 | case CMIT_FMT_MEDIUM: |
9dbe7c3d RS |
490 | strbuf_addf(sb, "Date: %s\n", |
491 | show_ident_date(&ident, pp->date_mode)); | |
93fc05eb JS |
492 | break; |
493 | case CMIT_FMT_EMAIL: | |
9dbe7c3d RS |
494 | strbuf_addf(sb, "Date: %s\n", |
495 | show_ident_date(&ident, DATE_RFC2822)); | |
93fc05eb JS |
496 | break; |
497 | case CMIT_FMT_FULLER: | |
9dbe7c3d RS |
498 | strbuf_addf(sb, "%sDate: %s\n", what, |
499 | show_ident_date(&ident, pp->date_mode)); | |
93fc05eb JS |
500 | break; |
501 | default: | |
502 | /* notin' */ | |
503 | break; | |
504 | } | |
505 | } | |
506 | ||
507 | static int is_empty_line(const char *line, int *len_p) | |
508 | { | |
509 | int len = *len_p; | |
35b2fa5b | 510 | while (len && isspace(line[len - 1])) |
93fc05eb JS |
511 | len--; |
512 | *len_p = len; | |
513 | return !len; | |
514 | } | |
515 | ||
a0109668 RS |
516 | static const char *skip_empty_lines(const char *msg) |
517 | { | |
518 | for (;;) { | |
519 | int linelen = get_one_line(msg); | |
520 | int ll = linelen; | |
521 | if (!linelen) | |
522 | break; | |
523 | if (!is_empty_line(msg, &ll)) | |
524 | break; | |
525 | msg += linelen; | |
526 | } | |
527 | return msg; | |
528 | } | |
529 | ||
6bf13944 JK |
530 | static void add_merge_info(const struct pretty_print_context *pp, |
531 | struct strbuf *sb, const struct commit *commit) | |
93fc05eb JS |
532 | { |
533 | struct commit_list *parent = commit->parents; | |
534 | ||
6bf13944 | 535 | if ((pp->fmt == CMIT_FMT_ONELINE) || (pp->fmt == CMIT_FMT_EMAIL) || |
93fc05eb JS |
536 | !parent || !parent->next) |
537 | return; | |
538 | ||
539 | strbuf_addstr(sb, "Merge:"); | |
540 | ||
541 | while (parent) { | |
542 | struct commit *p = parent->item; | |
543 | const char *hex = NULL; | |
6bf13944 JK |
544 | if (pp->abbrev) |
545 | hex = find_unique_abbrev(p->object.sha1, pp->abbrev); | |
93fc05eb JS |
546 | if (!hex) |
547 | hex = sha1_to_hex(p->object.sha1); | |
93fc05eb JS |
548 | parent = parent->next; |
549 | ||
7fcda920 | 550 | strbuf_addf(sb, " %s", hex); |
93fc05eb JS |
551 | } |
552 | strbuf_addch(sb, '\n'); | |
553 | } | |
554 | ||
dd0d388c JK |
555 | static char *get_header(const struct commit *commit, const char *msg, |
556 | const char *key) | |
93fc05eb JS |
557 | { |
558 | int key_len = strlen(key); | |
dd0d388c | 559 | const char *line = msg; |
93fc05eb | 560 | |
a9c7a8a8 | 561 | while (line) { |
2c5495f7 | 562 | const char *eol = strchrnul(line, '\n'), *next; |
93fc05eb JS |
563 | |
564 | if (line == eol) | |
565 | return NULL; | |
2c5495f7 | 566 | if (!*eol) { |
a9c7a8a8 JK |
567 | warning("malformed commit (header is missing newline): %s", |
568 | sha1_to_hex(commit->object.sha1)); | |
93fc05eb JS |
569 | next = NULL; |
570 | } else | |
571 | next = eol + 1; | |
572 | if (eol - line > key_len && | |
573 | !strncmp(line, key, key_len) && | |
574 | line[key_len] == ' ') { | |
575 | return xmemdupz(line + key_len + 1, eol - line - key_len - 1); | |
576 | } | |
577 | line = next; | |
578 | } | |
a9c7a8a8 | 579 | return NULL; |
93fc05eb JS |
580 | } |
581 | ||
582 | static char *replace_encoding_header(char *buf, const char *encoding) | |
583 | { | |
f285a2d7 | 584 | struct strbuf tmp = STRBUF_INIT; |
93fc05eb JS |
585 | size_t start, len; |
586 | char *cp = buf; | |
587 | ||
588 | /* guess if there is an encoding header before a \n\n */ | |
589 | while (strncmp(cp, "encoding ", strlen("encoding "))) { | |
590 | cp = strchr(cp, '\n'); | |
591 | if (!cp || *++cp == '\n') | |
592 | return buf; | |
593 | } | |
594 | start = cp - buf; | |
595 | cp = strchr(cp, '\n'); | |
596 | if (!cp) | |
597 | return buf; /* should not happen but be defensive */ | |
598 | len = cp + 1 - (buf + start); | |
599 | ||
93fc05eb JS |
600 | strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); |
601 | if (is_encoding_utf8(encoding)) { | |
602 | /* we have re-coded to UTF-8; drop the header */ | |
603 | strbuf_remove(&tmp, start, len); | |
604 | } else { | |
605 | /* just replaces XXXX in 'encoding XXXX\n' */ | |
606 | strbuf_splice(&tmp, start + strlen("encoding "), | |
607 | len - strlen("encoding \n"), | |
608 | encoding, strlen(encoding)); | |
609 | } | |
610 | return strbuf_detach(&tmp, NULL); | |
611 | } | |
612 | ||
b000c59b JK |
613 | const char *logmsg_reencode(const struct commit *commit, |
614 | char **commit_encoding, | |
615 | const char *output_encoding) | |
93fc05eb | 616 | { |
330db18c | 617 | static const char *utf8 = "UTF-8"; |
93fc05eb JS |
618 | const char *use_encoding; |
619 | char *encoding; | |
8597ea3a | 620 | const char *msg = get_commit_buffer(commit, NULL); |
93fc05eb JS |
621 | char *out; |
622 | ||
5a10d236 NTND |
623 | if (!output_encoding || !*output_encoding) { |
624 | if (commit_encoding) | |
625 | *commit_encoding = | |
626 | get_header(commit, msg, "encoding"); | |
dd0d388c | 627 | return msg; |
5a10d236 | 628 | } |
dd0d388c | 629 | encoding = get_header(commit, msg, "encoding"); |
5a10d236 NTND |
630 | if (commit_encoding) |
631 | *commit_encoding = encoding; | |
93fc05eb | 632 | use_encoding = encoding ? encoding : utf8; |
be5c9fb9 JK |
633 | if (same_encoding(use_encoding, output_encoding)) { |
634 | /* | |
635 | * No encoding work to be done. If we have no encoding header | |
636 | * at all, then there's nothing to do, and we can return the | |
637 | * message verbatim (whether newly allocated or not). | |
638 | */ | |
639 | if (!encoding) | |
640 | return msg; | |
641 | ||
642 | /* | |
643 | * Otherwise, we still want to munge the encoding header in the | |
644 | * result, which will be done by modifying the buffer. If we | |
645 | * are using a fresh copy, we can reuse it. But if we are using | |
b66103c3 JK |
646 | * the cached copy from get_commit_buffer, we need to duplicate it |
647 | * to avoid munging the cached copy. | |
be5c9fb9 | 648 | */ |
8597ea3a | 649 | if (msg == get_cached_commit_buffer(commit, NULL)) |
b66103c3 JK |
650 | out = xstrdup(msg); |
651 | else | |
652 | out = (char *)msg; | |
be5c9fb9 JK |
653 | } |
654 | else { | |
655 | /* | |
656 | * There's actual encoding work to do. Do the reencoding, which | |
657 | * still leaves the header to be replaced in the next step. At | |
658 | * this point, we are done with msg. If we allocated a fresh | |
659 | * copy, we can free it. | |
660 | */ | |
661 | out = reencode_string(msg, output_encoding, use_encoding); | |
b66103c3 JK |
662 | if (out) |
663 | unuse_commit_buffer(commit, msg); | |
be5c9fb9 JK |
664 | } |
665 | ||
666 | /* | |
667 | * This replacement actually consumes the buffer we hand it, so we do | |
668 | * not have to worry about freeing the old "out" here. | |
669 | */ | |
93fc05eb JS |
670 | if (out) |
671 | out = replace_encoding_header(out, output_encoding); | |
672 | ||
5a10d236 NTND |
673 | if (!commit_encoding) |
674 | free(encoding); | |
dd0d388c JK |
675 | /* |
676 | * If the re-encoding failed, out might be NULL here; in that | |
677 | * case we just return the commit message verbatim. | |
678 | */ | |
679 | return out ? out : msg; | |
680 | } | |
681 | ||
ea02ffa3 AP |
682 | static int mailmap_name(const char **email, size_t *email_len, |
683 | const char **name, size_t *name_len) | |
e0cbc397 | 684 | { |
c455c87c | 685 | static struct string_list *mail_map; |
e0cbc397 JS |
686 | if (!mail_map) { |
687 | mail_map = xcalloc(1, sizeof(*mail_map)); | |
d551a488 | 688 | read_mailmap(mail_map, NULL); |
e0cbc397 | 689 | } |
d20d654f | 690 | return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); |
e0cbc397 JS |
691 | } |
692 | ||
c3a670de | 693 | static size_t format_person_part(struct strbuf *sb, char part, |
d36f8679 | 694 | const char *msg, int len, enum date_mode dmode) |
93fc05eb | 695 | { |
c3a670de MC |
696 | /* currently all placeholders have same length */ |
697 | const int placeholder_len = 2; | |
4b340cfa | 698 | struct ident_split s; |
ea02ffa3 AP |
699 | const char *name, *mail; |
700 | size_t maillen, namelen; | |
93fc05eb | 701 | |
4b340cfa | 702 | if (split_ident_line(&s, msg, len) < 0) |
c3a670de MC |
703 | goto skip; |
704 | ||
ea02ffa3 AP |
705 | name = s.name_begin; |
706 | namelen = s.name_end - s.name_begin; | |
707 | mail = s.mail_begin; | |
708 | maillen = s.mail_end - s.mail_begin; | |
709 | ||
710 | if (part == 'N' || part == 'E') /* mailmap lookup */ | |
711 | mailmap_name(&mail, &maillen, &name, &namelen); | |
e0cbc397 | 712 | if (part == 'n' || part == 'N') { /* name */ |
ea02ffa3 | 713 | strbuf_add(sb, name, namelen); |
c3a670de | 714 | return placeholder_len; |
cde75e59 | 715 | } |
d20d654f | 716 | if (part == 'e' || part == 'E') { /* email */ |
ea02ffa3 | 717 | strbuf_add(sb, mail, maillen); |
c3a670de | 718 | return placeholder_len; |
cde75e59 | 719 | } |
93fc05eb | 720 | |
4b340cfa | 721 | if (!s.date_begin) |
c3a670de | 722 | goto skip; |
93fc05eb | 723 | |
cde75e59 | 724 | if (part == 't') { /* date, UNIX timestamp */ |
4b340cfa | 725 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
c3a670de | 726 | return placeholder_len; |
cde75e59 | 727 | } |
93fc05eb | 728 | |
cde75e59 RS |
729 | switch (part) { |
730 | case 'd': /* date */ | |
9dbe7c3d | 731 | strbuf_addstr(sb, show_ident_date(&s, dmode)); |
c3a670de | 732 | return placeholder_len; |
cde75e59 | 733 | case 'D': /* date, RFC2822 style */ |
9dbe7c3d | 734 | strbuf_addstr(sb, show_ident_date(&s, DATE_RFC2822)); |
c3a670de | 735 | return placeholder_len; |
cde75e59 | 736 | case 'r': /* date, relative */ |
9dbe7c3d | 737 | strbuf_addstr(sb, show_ident_date(&s, DATE_RELATIVE)); |
c3a670de | 738 | return placeholder_len; |
cde75e59 | 739 | case 'i': /* date, ISO 8601 */ |
9dbe7c3d | 740 | strbuf_addstr(sb, show_ident_date(&s, DATE_ISO8601)); |
c3a670de | 741 | return placeholder_len; |
cde75e59 | 742 | } |
c3a670de MC |
743 | |
744 | skip: | |
745 | /* | |
4b340cfa JH |
746 | * reading from either a bogus commit, or a reflog entry with |
747 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
748 | * to compute a valid return value. | |
c3a670de MC |
749 | */ |
750 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
751 | || part == 'D' || part == 'r' || part == 'i') | |
752 | return placeholder_len; | |
753 | ||
754 | return 0; /* unknown placeholder */ | |
93fc05eb JS |
755 | } |
756 | ||
f29d5958 RS |
757 | struct chunk { |
758 | size_t off; | |
759 | size_t len; | |
760 | }; | |
761 | ||
a5752342 NTND |
762 | enum flush_type { |
763 | no_flush, | |
764 | flush_right, | |
765 | flush_left, | |
1640632b | 766 | flush_left_and_steal, |
a5752342 NTND |
767 | flush_both |
768 | }; | |
769 | ||
a7f01c6b NTND |
770 | enum trunc_type { |
771 | trunc_none, | |
772 | trunc_left, | |
773 | trunc_middle, | |
774 | trunc_right | |
775 | }; | |
776 | ||
f29d5958 RS |
777 | struct format_commit_context { |
778 | const struct commit *commit; | |
dd2e794a | 779 | const struct pretty_print_context *pretty_ctx; |
f53bd743 RS |
780 | unsigned commit_header_parsed:1; |
781 | unsigned commit_message_parsed:1; | |
ffb6d7d5 | 782 | struct signature_check signature_check; |
a5752342 | 783 | enum flush_type flush_type; |
a7f01c6b | 784 | enum trunc_type truncate; |
b000c59b | 785 | const char *message; |
0940a76d | 786 | char *commit_encoding; |
02edd56b | 787 | size_t width, indent1, indent2; |
a95f067e | 788 | int auto_color; |
a5752342 | 789 | int padding; |
f29d5958 RS |
790 | |
791 | /* These offsets are relative to the start of the commit message. */ | |
f29d5958 RS |
792 | struct chunk author; |
793 | struct chunk committer; | |
f53bd743 RS |
794 | size_t message_off; |
795 | size_t subject_off; | |
f29d5958 | 796 | size_t body_off; |
b9c62321 RS |
797 | |
798 | /* The following ones are relative to the result struct strbuf. */ | |
799 | struct chunk abbrev_commit_hash; | |
800 | struct chunk abbrev_tree_hash; | |
801 | struct chunk abbrev_parent_hashes; | |
02edd56b | 802 | size_t wrap_start; |
f29d5958 RS |
803 | }; |
804 | ||
b9c62321 RS |
805 | static int add_again(struct strbuf *sb, struct chunk *chunk) |
806 | { | |
807 | if (chunk->len) { | |
808 | strbuf_adddup(sb, chunk->off, chunk->len); | |
809 | return 1; | |
810 | } | |
811 | ||
812 | /* | |
813 | * We haven't seen this chunk before. Our caller is surely | |
814 | * going to add it the hard way now. Remember the most likely | |
815 | * start of the to-be-added chunk: the current end of the | |
816 | * struct strbuf. | |
817 | */ | |
818 | chunk->off = sb->len; | |
819 | return 0; | |
820 | } | |
821 | ||
f29d5958 | 822 | static void parse_commit_header(struct format_commit_context *context) |
93fc05eb | 823 | { |
177b29dc | 824 | const char *msg = context->message; |
93fc05eb | 825 | int i; |
f29d5958 | 826 | |
f53bd743 | 827 | for (i = 0; msg[i]; i++) { |
f29d5958 RS |
828 | int eol; |
829 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
830 | ; /* do nothing */ | |
831 | ||
f29d5958 | 832 | if (i == eol) { |
f53bd743 | 833 | break; |
59556548 | 834 | } else if (starts_with(msg + i, "author ")) { |
f29d5958 RS |
835 | context->author.off = i + 7; |
836 | context->author.len = eol - i - 7; | |
59556548 | 837 | } else if (starts_with(msg + i, "committer ")) { |
f29d5958 RS |
838 | context->committer.off = i + 10; |
839 | context->committer.len = eol - i - 10; | |
f29d5958 RS |
840 | } |
841 | i = eol; | |
842 | } | |
f53bd743 | 843 | context->message_off = i; |
f29d5958 RS |
844 | context->commit_header_parsed = 1; |
845 | } | |
846 | ||
46d164b0 SB |
847 | static int istitlechar(char c) |
848 | { | |
849 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
850 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
851 | } | |
852 | ||
853 | static void format_sanitized_subject(struct strbuf *sb, const char *msg) | |
854 | { | |
855 | size_t trimlen; | |
871d21d4 | 856 | size_t start_len = sb->len; |
46d164b0 SB |
857 | int space = 2; |
858 | ||
859 | for (; *msg && *msg != '\n'; msg++) { | |
860 | if (istitlechar(*msg)) { | |
861 | if (space == 1) | |
862 | strbuf_addch(sb, '-'); | |
863 | space = 0; | |
864 | strbuf_addch(sb, *msg); | |
865 | if (*msg == '.') | |
866 | while (*(msg+1) == '.') | |
867 | msg++; | |
868 | } else | |
869 | space |= 1; | |
870 | } | |
871 | ||
872 | /* trim any trailing '.' or '-' characters */ | |
873 | trimlen = 0; | |
871d21d4 SB |
874 | while (sb->len - trimlen > start_len && |
875 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
876 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
46d164b0 SB |
877 | trimlen++; |
878 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
879 | } | |
880 | ||
cec08717 RS |
881 | const char *format_subject(struct strbuf *sb, const char *msg, |
882 | const char *line_separator) | |
88c44735 RS |
883 | { |
884 | int first = 1; | |
885 | ||
886 | for (;;) { | |
887 | const char *line = msg; | |
888 | int linelen = get_one_line(line); | |
889 | ||
890 | msg += linelen; | |
891 | if (!linelen || is_empty_line(line, &linelen)) | |
892 | break; | |
893 | ||
f53bd743 RS |
894 | if (!sb) |
895 | continue; | |
88c44735 RS |
896 | strbuf_grow(sb, linelen + 2); |
897 | if (!first) | |
898 | strbuf_addstr(sb, line_separator); | |
899 | strbuf_add(sb, line, linelen); | |
900 | first = 0; | |
901 | } | |
902 | return msg; | |
903 | } | |
904 | ||
f53bd743 RS |
905 | static void parse_commit_message(struct format_commit_context *c) |
906 | { | |
177b29dc PN |
907 | const char *msg = c->message + c->message_off; |
908 | const char *start = c->message; | |
f53bd743 RS |
909 | |
910 | msg = skip_empty_lines(msg); | |
911 | c->subject_off = msg - start; | |
912 | ||
913 | msg = format_subject(NULL, msg, NULL); | |
914 | msg = skip_empty_lines(msg); | |
915 | c->body_off = msg - start; | |
916 | ||
917 | c->commit_message_parsed = 1; | |
918 | } | |
919 | ||
02edd56b RS |
920 | static void strbuf_wrap(struct strbuf *sb, size_t pos, |
921 | size_t width, size_t indent1, size_t indent2) | |
922 | { | |
923 | struct strbuf tmp = STRBUF_INIT; | |
924 | ||
925 | if (pos) | |
926 | strbuf_add(&tmp, sb->buf, pos); | |
927 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
928 | (int) indent1, (int) indent2, (int) width); | |
929 | strbuf_swap(&tmp, sb); | |
930 | strbuf_release(&tmp); | |
931 | } | |
932 | ||
933 | static void rewrap_message_tail(struct strbuf *sb, | |
934 | struct format_commit_context *c, | |
935 | size_t new_width, size_t new_indent1, | |
936 | size_t new_indent2) | |
937 | { | |
938 | if (c->width == new_width && c->indent1 == new_indent1 && | |
939 | c->indent2 == new_indent2) | |
940 | return; | |
32ca4249 | 941 | if (c->wrap_start < sb->len) |
02edd56b RS |
942 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
943 | c->wrap_start = sb->len; | |
944 | c->width = new_width; | |
945 | c->indent1 = new_indent1; | |
946 | c->indent2 = new_indent2; | |
947 | } | |
948 | ||
cd1957f5 JK |
949 | static int format_reflog_person(struct strbuf *sb, |
950 | char part, | |
951 | struct reflog_walk_info *log, | |
952 | enum date_mode dmode) | |
953 | { | |
954 | const char *ident; | |
955 | ||
956 | if (!log) | |
957 | return 2; | |
958 | ||
959 | ident = get_reflog_ident(log); | |
960 | if (!ident) | |
961 | return 2; | |
962 | ||
963 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
964 | } | |
965 | ||
fcabc2d9 NTND |
966 | static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ |
967 | const char *placeholder, | |
968 | struct format_commit_context *c) | |
969 | { | |
970 | if (placeholder[1] == '(') { | |
971 | const char *begin = placeholder + 2; | |
972 | const char *end = strchr(begin, ')'); | |
973 | char color[COLOR_MAXLEN]; | |
974 | ||
975 | if (!end) | |
976 | return 0; | |
59556548 | 977 | if (starts_with(begin, "auto,")) { |
fcabc2d9 NTND |
978 | if (!want_color(c->pretty_ctx->color)) |
979 | return end - placeholder + 1; | |
980 | begin += 5; | |
981 | } | |
982 | color_parse_mem(begin, | |
983 | end - begin, | |
984 | "--pretty format", color); | |
985 | strbuf_addstr(sb, color); | |
986 | return end - placeholder + 1; | |
987 | } | |
59556548 | 988 | if (starts_with(placeholder + 1, "red")) { |
fcabc2d9 NTND |
989 | strbuf_addstr(sb, GIT_COLOR_RED); |
990 | return 4; | |
59556548 | 991 | } else if (starts_with(placeholder + 1, "green")) { |
fcabc2d9 NTND |
992 | strbuf_addstr(sb, GIT_COLOR_GREEN); |
993 | return 6; | |
59556548 | 994 | } else if (starts_with(placeholder + 1, "blue")) { |
fcabc2d9 NTND |
995 | strbuf_addstr(sb, GIT_COLOR_BLUE); |
996 | return 5; | |
59556548 | 997 | } else if (starts_with(placeholder + 1, "reset")) { |
fcabc2d9 NTND |
998 | strbuf_addstr(sb, GIT_COLOR_RESET); |
999 | return 6; | |
1000 | } else | |
1001 | return 0; | |
1002 | } | |
1003 | ||
a5752342 NTND |
1004 | static size_t parse_padding_placeholder(struct strbuf *sb, |
1005 | const char *placeholder, | |
1006 | struct format_commit_context *c) | |
1007 | { | |
1008 | const char *ch = placeholder; | |
1009 | enum flush_type flush_type; | |
1010 | int to_column = 0; | |
1011 | ||
1012 | switch (*ch++) { | |
1013 | case '<': | |
1014 | flush_type = flush_right; | |
1015 | break; | |
1016 | case '>': | |
1017 | if (*ch == '<') { | |
1018 | flush_type = flush_both; | |
1019 | ch++; | |
1640632b NTND |
1020 | } else if (*ch == '>') { |
1021 | flush_type = flush_left_and_steal; | |
1022 | ch++; | |
a5752342 NTND |
1023 | } else |
1024 | flush_type = flush_left; | |
1025 | break; | |
1026 | default: | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | /* the next value means "wide enough to that column" */ | |
1031 | if (*ch == '|') { | |
1032 | to_column = 1; | |
1033 | ch++; | |
1034 | } | |
1035 | ||
1036 | if (*ch == '(') { | |
1037 | const char *start = ch + 1; | |
a7f01c6b | 1038 | const char *end = start + strcspn(start, ",)"); |
a5752342 NTND |
1039 | char *next; |
1040 | int width; | |
1041 | if (!end || end == start) | |
1042 | return 0; | |
1043 | width = strtoul(start, &next, 10); | |
1044 | if (next == start || width == 0) | |
1045 | return 0; | |
1046 | c->padding = to_column ? -width : width; | |
1047 | c->flush_type = flush_type; | |
a7f01c6b NTND |
1048 | |
1049 | if (*end == ',') { | |
1050 | start = end + 1; | |
1051 | end = strchr(start, ')'); | |
1052 | if (!end || end == start) | |
1053 | return 0; | |
59556548 | 1054 | if (starts_with(start, "trunc)")) |
a7f01c6b | 1055 | c->truncate = trunc_right; |
59556548 | 1056 | else if (starts_with(start, "ltrunc)")) |
a7f01c6b | 1057 | c->truncate = trunc_left; |
59556548 | 1058 | else if (starts_with(start, "mtrunc)")) |
a7f01c6b NTND |
1059 | c->truncate = trunc_middle; |
1060 | else | |
1061 | return 0; | |
1062 | } else | |
1063 | c->truncate = trunc_none; | |
1064 | ||
a5752342 NTND |
1065 | return end - placeholder + 1; |
1066 | } | |
1067 | return 0; | |
1068 | } | |
1069 | ||
7e77df39 NTND |
1070 | static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ |
1071 | const char *placeholder, | |
9fa708da | 1072 | void *context) |
f29d5958 RS |
1073 | { |
1074 | struct format_commit_context *c = context; | |
1075 | const struct commit *commit = c->commit; | |
177b29dc | 1076 | const char *msg = c->message; |
f29d5958 | 1077 | struct commit_list *p; |
42c8c74c | 1078 | int h1, h2; |
93fc05eb | 1079 | |
93fc05eb | 1080 | /* these are independent of the commit */ |
cde75e59 RS |
1081 | switch (placeholder[0]) { |
1082 | case 'C': | |
59556548 | 1083 | if (starts_with(placeholder + 1, "(auto)")) { |
a95f067e NTND |
1084 | c->auto_color = 1; |
1085 | return 7; /* consumed 7 bytes, "C(auto)" */ | |
1086 | } else { | |
1087 | int ret = parse_color(sb, placeholder, c); | |
1088 | if (ret) | |
1089 | c->auto_color = 0; | |
1090 | /* | |
1091 | * Otherwise, we decided to treat %C<unknown> | |
1092 | * as a literal string, and the previous | |
1093 | * %C(auto) is still valid. | |
1094 | */ | |
1095 | return ret; | |
c002922a | 1096 | } |
cde75e59 RS |
1097 | case 'n': /* newline */ |
1098 | strbuf_addch(sb, '\n'); | |
c3a670de | 1099 | return 1; |
42c8c74c GS |
1100 | case 'x': |
1101 | /* %x00 == NUL, %x0a == LF, etc. */ | |
1102 | if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) && | |
1103 | h1 <= 16 && | |
1104 | 0 <= (h2 = hexval_table[0xff & placeholder[2]]) && | |
1105 | h2 <= 16) { | |
1106 | strbuf_addch(sb, (h1<<4)|h2); | |
1107 | return 3; | |
1108 | } else | |
1109 | return 0; | |
02edd56b RS |
1110 | case 'w': |
1111 | if (placeholder[1] == '(') { | |
1112 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
1113 | char *next; | |
1114 | const char *start = placeholder + 2; | |
1115 | const char *end = strchr(start, ')'); | |
1116 | if (!end) | |
1117 | return 0; | |
1118 | if (end > start) { | |
1119 | width = strtoul(start, &next, 10); | |
1120 | if (*next == ',') { | |
1121 | indent1 = strtoul(next + 1, &next, 10); | |
1122 | if (*next == ',') { | |
1123 | indent2 = strtoul(next + 1, | |
1124 | &next, 10); | |
1125 | } | |
1126 | } | |
1127 | if (*next != ')') | |
1128 | return 0; | |
1129 | } | |
1130 | rewrap_message_tail(sb, c, width, indent1, indent2); | |
1131 | return end - placeholder + 1; | |
1132 | } else | |
1133 | return 0; | |
a5752342 NTND |
1134 | |
1135 | case '<': | |
1136 | case '>': | |
1137 | return parse_padding_placeholder(sb, placeholder, c); | |
cde75e59 | 1138 | } |
93fc05eb JS |
1139 | |
1140 | /* these depend on the commit */ | |
1141 | if (!commit->object.parsed) | |
1142 | parse_object(commit->object.sha1); | |
93fc05eb | 1143 | |
cde75e59 RS |
1144 | switch (placeholder[0]) { |
1145 | case 'H': /* commit hash */ | |
a95f067e | 1146 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
cde75e59 | 1147 | strbuf_addstr(sb, sha1_to_hex(commit->object.sha1)); |
a95f067e | 1148 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1149 | return 1; |
cde75e59 | 1150 | case 'h': /* abbreviated commit hash */ |
a95f067e NTND |
1151 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
1152 | if (add_again(sb, &c->abbrev_commit_hash)) { | |
1153 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); | |
c3a670de | 1154 | return 1; |
a95f067e | 1155 | } |
cde75e59 | 1156 | strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1, |
c1977021 | 1157 | c->pretty_ctx->abbrev)); |
a95f067e | 1158 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
b9c62321 | 1159 | c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off; |
c3a670de | 1160 | return 1; |
cde75e59 RS |
1161 | case 'T': /* tree hash */ |
1162 | strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1)); | |
c3a670de | 1163 | return 1; |
cde75e59 | 1164 | case 't': /* abbreviated tree hash */ |
b9c62321 | 1165 | if (add_again(sb, &c->abbrev_tree_hash)) |
c3a670de | 1166 | return 1; |
cde75e59 | 1167 | strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1, |
c1977021 | 1168 | c->pretty_ctx->abbrev)); |
b9c62321 | 1169 | c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off; |
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, ' '); | |
1175 | strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1)); | |
1176 | } | |
c3a670de | 1177 | return 1; |
cde75e59 | 1178 | case 'p': /* abbreviated parent hashes */ |
b9c62321 | 1179 | if (add_again(sb, &c->abbrev_parent_hashes)) |
c3a670de | 1180 | return 1; |
cde75e59 RS |
1181 | for (p = commit->parents; p; p = p->next) { |
1182 | if (p != commit->parents) | |
1183 | strbuf_addch(sb, ' '); | |
1184 | strbuf_addstr(sb, find_unique_abbrev( | |
c1977021 WP |
1185 | p->item->object.sha1, |
1186 | c->pretty_ctx->abbrev)); | |
cde75e59 | 1187 | } |
b9c62321 RS |
1188 | c->abbrev_parent_hashes.len = sb->len - |
1189 | c->abbrev_parent_hashes.off; | |
c3a670de | 1190 | return 1; |
cde75e59 | 1191 | case 'm': /* left/right/bottom */ |
1df2d656 | 1192 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
c3a670de | 1193 | return 1; |
3b3d443f | 1194 | case 'd': |
9d3f002f | 1195 | load_ref_decorations(DECORATE_SHORT_REFS); |
a95f067e | 1196 | format_decorations(sb, commit, c->auto_color); |
3b3d443f | 1197 | return 1; |
8f8f5476 TR |
1198 | case 'g': /* reflog info */ |
1199 | switch(placeholder[1]) { | |
1200 | case 'd': /* reflog selector */ | |
1201 | case 'D': | |
1202 | if (c->pretty_ctx->reflog_info) | |
1203 | get_reflog_selector(sb, | |
1204 | c->pretty_ctx->reflog_info, | |
1205 | c->pretty_ctx->date_mode, | |
55ccf85a | 1206 | c->pretty_ctx->date_mode_explicit, |
8f8f5476 TR |
1207 | (placeholder[1] == 'd')); |
1208 | return 2; | |
1209 | case 's': /* reflog message */ | |
1210 | if (c->pretty_ctx->reflog_info) | |
1211 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1212 | return 2; | |
cd1957f5 JK |
1213 | case 'n': |
1214 | case 'N': | |
1215 | case 'e': | |
1216 | case 'E': | |
1217 | return format_reflog_person(sb, | |
1218 | placeholder[1], | |
1219 | c->pretty_ctx->reflog_info, | |
1220 | c->pretty_ctx->date_mode); | |
8f8f5476 TR |
1221 | } |
1222 | return 0; /* unknown %g placeholder */ | |
8b208f02 | 1223 | case 'N': |
ddf333f6 JH |
1224 | if (c->pretty_ctx->notes_message) { |
1225 | strbuf_addstr(sb, c->pretty_ctx->notes_message); | |
5b163603 JG |
1226 | return 1; |
1227 | } | |
1228 | return 0; | |
cde75e59 RS |
1229 | } |
1230 | ||
f6667c5e | 1231 | if (placeholder[0] == 'G') { |
ffb6d7d5 SG |
1232 | if (!c->signature_check.result) |
1233 | check_commit_signature(c->commit, &(c->signature_check)); | |
f6667c5e JH |
1234 | switch (placeholder[1]) { |
1235 | case 'G': | |
ffb6d7d5 SG |
1236 | if (c->signature_check.gpg_output) |
1237 | strbuf_addstr(sb, c->signature_check.gpg_output); | |
f6667c5e JH |
1238 | break; |
1239 | case '?': | |
ffb6d7d5 | 1240 | switch (c->signature_check.result) { |
f6667c5e JH |
1241 | case 'G': |
1242 | case 'B': | |
e290c4b9 SG |
1243 | case 'U': |
1244 | case 'N': | |
ffb6d7d5 | 1245 | strbuf_addch(sb, c->signature_check.result); |
f6667c5e JH |
1246 | } |
1247 | break; | |
1248 | case 'S': | |
ffb6d7d5 SG |
1249 | if (c->signature_check.signer) |
1250 | strbuf_addstr(sb, c->signature_check.signer); | |
f6667c5e | 1251 | break; |
0174eeaa | 1252 | case 'K': |
ffb6d7d5 SG |
1253 | if (c->signature_check.key) |
1254 | strbuf_addstr(sb, c->signature_check.key); | |
0174eeaa | 1255 | break; |
aa4b78d4 JK |
1256 | default: |
1257 | return 0; | |
f6667c5e JH |
1258 | } |
1259 | return 2; | |
1260 | } | |
1261 | ||
1262 | ||
cde75e59 | 1263 | /* For the rest we have to parse the commit header. */ |
f29d5958 RS |
1264 | if (!c->commit_header_parsed) |
1265 | parse_commit_header(c); | |
93fc05eb | 1266 | |
f29d5958 | 1267 | switch (placeholder[0]) { |
c3a670de MC |
1268 | case 'a': /* author ... */ |
1269 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1270 | msg + c->author.off, c->author.len, |
dd2e794a | 1271 | c->pretty_ctx->date_mode); |
c3a670de MC |
1272 | case 'c': /* committer ... */ |
1273 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1274 | msg + c->committer.off, c->committer.len, |
dd2e794a | 1275 | c->pretty_ctx->date_mode); |
c3a670de | 1276 | case 'e': /* encoding */ |
0940a76d NTND |
1277 | if (c->commit_encoding) |
1278 | strbuf_addstr(sb, c->commit_encoding); | |
c3a670de | 1279 | return 1; |
1367b12a EB |
1280 | case 'B': /* raw body */ |
1281 | /* message_off is always left at the initial newline */ | |
1282 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1283 | return 1; | |
f53bd743 RS |
1284 | } |
1285 | ||
1286 | /* Now we need to parse the commit message. */ | |
1287 | if (!c->commit_message_parsed) | |
1288 | parse_commit_message(c); | |
1289 | ||
1290 | switch (placeholder[0]) { | |
1291 | case 's': /* subject */ | |
1292 | format_subject(sb, msg + c->subject_off, " "); | |
1293 | return 1; | |
46d164b0 SB |
1294 | case 'f': /* sanitized subject */ |
1295 | format_sanitized_subject(sb, msg + c->subject_off); | |
1296 | return 1; | |
c3a670de | 1297 | case 'b': /* body */ |
f29d5958 | 1298 | strbuf_addstr(sb, msg + c->body_off); |
c3a670de | 1299 | return 1; |
93fc05eb | 1300 | } |
c3a670de | 1301 | return 0; /* unknown placeholder */ |
cde75e59 RS |
1302 | } |
1303 | ||
a5752342 NTND |
1304 | static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ |
1305 | const char *placeholder, | |
1306 | struct format_commit_context *c) | |
1307 | { | |
1308 | struct strbuf local_sb = STRBUF_INIT; | |
1309 | int total_consumed = 0, len, padding = c->padding; | |
1310 | if (padding < 0) { | |
1311 | const char *start = strrchr(sb->buf, '\n'); | |
1312 | int occupied; | |
1313 | if (!start) | |
1314 | start = sb->buf; | |
1315 | occupied = utf8_strnwidth(start, -1, 1); | |
1316 | padding = (-padding) - occupied; | |
1317 | } | |
1318 | while (1) { | |
1319 | int modifier = *placeholder == 'C'; | |
1320 | int consumed = format_commit_one(&local_sb, placeholder, c); | |
1321 | total_consumed += consumed; | |
1322 | ||
1323 | if (!modifier) | |
1324 | break; | |
1325 | ||
1326 | placeholder += consumed; | |
1327 | if (*placeholder != '%') | |
1328 | break; | |
1329 | placeholder++; | |
1330 | total_consumed++; | |
1331 | } | |
1332 | len = utf8_strnwidth(local_sb.buf, -1, 1); | |
1640632b NTND |
1333 | |
1334 | if (c->flush_type == flush_left_and_steal) { | |
1335 | const char *ch = sb->buf + sb->len - 1; | |
1336 | while (len > padding && ch > sb->buf) { | |
1337 | const char *p; | |
1338 | if (*ch == ' ') { | |
1339 | ch--; | |
1340 | padding++; | |
1341 | continue; | |
1342 | } | |
1343 | /* check for trailing ansi sequences */ | |
1344 | if (*ch != 'm') | |
1345 | break; | |
1346 | p = ch - 1; | |
1347 | while (ch - p < 10 && *p != '\033') | |
1348 | p--; | |
1349 | if (*p != '\033' || | |
1350 | ch + 1 - p != display_mode_esc_sequence_len(p)) | |
1351 | break; | |
1352 | /* | |
1353 | * got a good ansi sequence, put it back to | |
1354 | * local_sb as we're cutting sb | |
1355 | */ | |
1356 | strbuf_insert(&local_sb, 0, p, ch + 1 - p); | |
1357 | ch = p - 1; | |
1358 | } | |
1359 | strbuf_setlen(sb, ch + 1 - sb->buf); | |
1360 | c->flush_type = flush_left; | |
1361 | } | |
1362 | ||
a7f01c6b NTND |
1363 | if (len > padding) { |
1364 | switch (c->truncate) { | |
1365 | case trunc_left: | |
1366 | strbuf_utf8_replace(&local_sb, | |
1367 | 0, len - (padding - 2), | |
1368 | ".."); | |
1369 | break; | |
1370 | case trunc_middle: | |
1371 | strbuf_utf8_replace(&local_sb, | |
1372 | padding / 2 - 1, | |
1373 | len - (padding - 2), | |
1374 | ".."); | |
1375 | break; | |
1376 | case trunc_right: | |
1377 | strbuf_utf8_replace(&local_sb, | |
1378 | padding - 2, len - (padding - 2), | |
1379 | ".."); | |
1380 | break; | |
1381 | case trunc_none: | |
1382 | break; | |
1383 | } | |
e992d1eb | 1384 | strbuf_addbuf(sb, &local_sb); |
a7f01c6b | 1385 | } else { |
a5752342 NTND |
1386 | int sb_len = sb->len, offset = 0; |
1387 | if (c->flush_type == flush_left) | |
1388 | offset = padding - len; | |
1389 | else if (c->flush_type == flush_both) | |
1390 | offset = (padding - len) / 2; | |
1391 | /* | |
1392 | * we calculate padding in columns, now | |
1393 | * convert it back to chars | |
1394 | */ | |
1395 | padding = padding - len + local_sb.len; | |
1396 | strbuf_grow(sb, padding); | |
1397 | strbuf_setlen(sb, sb_len + padding); | |
1398 | memset(sb->buf + sb_len, ' ', sb->len - sb_len); | |
1399 | memcpy(sb->buf + sb_len + offset, local_sb.buf, | |
1400 | local_sb.len); | |
1401 | } | |
1402 | strbuf_release(&local_sb); | |
1403 | c->flush_type = no_flush; | |
1404 | return total_consumed; | |
1405 | } | |
1406 | ||
7e77df39 NTND |
1407 | static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ |
1408 | const char *placeholder, | |
9fa708da JH |
1409 | void *context) |
1410 | { | |
1411 | int consumed; | |
1412 | size_t orig_len; | |
1413 | enum { | |
1414 | NO_MAGIC, | |
1415 | ADD_LF_BEFORE_NON_EMPTY, | |
1416 | DEL_LF_BEFORE_EMPTY, | |
223a923c | 1417 | ADD_SP_BEFORE_NON_EMPTY |
9fa708da JH |
1418 | } magic = NO_MAGIC; |
1419 | ||
1420 | switch (placeholder[0]) { | |
1421 | case '-': | |
1422 | magic = DEL_LF_BEFORE_EMPTY; | |
1423 | break; | |
1424 | case '+': | |
1425 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1426 | break; | |
7b88176e MG |
1427 | case ' ': |
1428 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1429 | break; | |
9fa708da JH |
1430 | default: |
1431 | break; | |
1432 | } | |
1433 | if (magic != NO_MAGIC) | |
1434 | placeholder++; | |
1435 | ||
1436 | orig_len = sb->len; | |
a5752342 NTND |
1437 | if (((struct format_commit_context *)context)->flush_type != no_flush) |
1438 | consumed = format_and_pad_commit(sb, placeholder, context); | |
1439 | else | |
1440 | consumed = format_commit_one(sb, placeholder, context); | |
9fa708da JH |
1441 | if (magic == NO_MAGIC) |
1442 | return consumed; | |
1443 | ||
1444 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1445 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1446 | strbuf_setlen(sb, sb->len - 1); | |
7b88176e MG |
1447 | } else if (orig_len != sb->len) { |
1448 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
1449 | strbuf_insert(sb, orig_len, "\n", 1); | |
1450 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) | |
1451 | strbuf_insert(sb, orig_len, " ", 1); | |
9fa708da JH |
1452 | } |
1453 | return consumed + 1; | |
1454 | } | |
1455 | ||
5b163603 JG |
1456 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
1457 | void *context) | |
1458 | { | |
1459 | struct userformat_want *w = context; | |
1460 | ||
7b88176e | 1461 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
5b163603 JG |
1462 | placeholder++; |
1463 | ||
1464 | switch (*placeholder) { | |
1465 | case 'N': | |
1466 | w->notes = 1; | |
1467 | break; | |
1468 | } | |
1469 | return 0; | |
1470 | } | |
1471 | ||
1472 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1473 | { | |
1474 | struct strbuf dummy = STRBUF_INIT; | |
1475 | ||
1476 | if (!fmt) { | |
1477 | if (!user_format) | |
1478 | return; | |
1479 | fmt = user_format; | |
1480 | } | |
a6253d10 | 1481 | strbuf_expand(&dummy, fmt, userformat_want_item, w); |
5b163603 JG |
1482 | strbuf_release(&dummy); |
1483 | } | |
1484 | ||
cde75e59 | 1485 | void format_commit_message(const struct commit *commit, |
7f98ebc8 | 1486 | const char *format, struct strbuf *sb, |
dd2e794a | 1487 | const struct pretty_print_context *pretty_ctx) |
cde75e59 | 1488 | { |
f29d5958 | 1489 | struct format_commit_context context; |
177b29dc | 1490 | const char *output_enc = pretty_ctx->output_encoding; |
7e77df39 | 1491 | const char *utf8 = "UTF-8"; |
f29d5958 RS |
1492 | |
1493 | memset(&context, 0, sizeof(context)); | |
1494 | context.commit = commit; | |
dd2e794a | 1495 | context.pretty_ctx = pretty_ctx; |
02edd56b | 1496 | context.wrap_start = sb->len; |
7d509878 AS |
1497 | /* |
1498 | * convert a commit message to UTF-8 first | |
1499 | * as far as 'format_commit_item' assumes it in UTF-8 | |
1500 | */ | |
0940a76d NTND |
1501 | context.message = logmsg_reencode(commit, |
1502 | &context.commit_encoding, | |
7d509878 | 1503 | utf8); |
177b29dc | 1504 | |
c3a670de | 1505 | strbuf_expand(sb, format, format_commit_item, &context); |
02edd56b | 1506 | rewrap_message_tail(sb, &context, 0, 0, 0); |
177b29dc | 1507 | |
7d509878 | 1508 | /* then convert a commit message to an actual output encoding */ |
7e77df39 NTND |
1509 | if (output_enc) { |
1510 | if (same_encoding(utf8, output_enc)) | |
1511 | output_enc = NULL; | |
1512 | } else { | |
1513 | if (context.commit_encoding && | |
1514 | !same_encoding(context.commit_encoding, utf8)) | |
1515 | output_enc = context.commit_encoding; | |
1516 | } | |
1517 | ||
1518 | if (output_enc) { | |
1519 | int outsz; | |
1520 | char *out = reencode_string_len(sb->buf, sb->len, | |
1521 | output_enc, utf8, &outsz); | |
1522 | if (out) | |
1523 | strbuf_attach(sb, out, outsz, outsz + 1); | |
1524 | } | |
1525 | ||
0940a76d | 1526 | free(context.commit_encoding); |
b66103c3 | 1527 | unuse_commit_buffer(commit, context.message); |
93fc05eb JS |
1528 | } |
1529 | ||
10f2fbff | 1530 | static void pp_header(struct pretty_print_context *pp, |
93fc05eb JS |
1531 | const char *encoding, |
1532 | const struct commit *commit, | |
1533 | const char **msg_p, | |
1534 | struct strbuf *sb) | |
1535 | { | |
1536 | int parents_shown = 0; | |
1537 | ||
1538 | for (;;) { | |
1539 | const char *line = *msg_p; | |
1540 | int linelen = get_one_line(*msg_p); | |
1541 | ||
1542 | if (!linelen) | |
1543 | return; | |
1544 | *msg_p += linelen; | |
1545 | ||
1546 | if (linelen == 1) | |
1547 | /* End of header */ | |
1548 | return; | |
1549 | ||
6bf13944 | 1550 | if (pp->fmt == CMIT_FMT_RAW) { |
93fc05eb JS |
1551 | strbuf_add(sb, line, linelen); |
1552 | continue; | |
1553 | } | |
1554 | ||
59556548 | 1555 | if (starts_with(line, "parent ")) { |
93fc05eb JS |
1556 | if (linelen != 48) |
1557 | die("bad parent line in commit"); | |
1558 | continue; | |
1559 | } | |
1560 | ||
1561 | if (!parents_shown) { | |
4bbaa1eb | 1562 | unsigned num = commit_list_count(commit->parents); |
93fc05eb JS |
1563 | /* with enough slop */ |
1564 | strbuf_grow(sb, num * 50 + 20); | |
6bf13944 | 1565 | add_merge_info(pp, sb, commit); |
93fc05eb JS |
1566 | parents_shown = 1; |
1567 | } | |
1568 | ||
1569 | /* | |
1570 | * MEDIUM == DEFAULT shows only author with dates. | |
1571 | * FULL shows both authors but not dates. | |
1572 | * FULLER shows both authors and dates. | |
1573 | */ | |
59556548 | 1574 | if (starts_with(line, "author ")) { |
93fc05eb | 1575 | strbuf_grow(sb, linelen + 80); |
6bf13944 | 1576 | pp_user_info(pp, "Author", sb, line + 7, encoding); |
93fc05eb | 1577 | } |
59556548 | 1578 | if (starts_with(line, "committer ") && |
6bf13944 | 1579 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
93fc05eb | 1580 | strbuf_grow(sb, linelen + 80); |
6bf13944 | 1581 | pp_user_info(pp, "Commit", sb, line + 10, encoding); |
93fc05eb JS |
1582 | } |
1583 | } | |
1584 | } | |
1585 | ||
10f2fbff | 1586 | void pp_title_line(struct pretty_print_context *pp, |
b02bd65f DB |
1587 | const char **msg_p, |
1588 | struct strbuf *sb, | |
b02bd65f | 1589 | const char *encoding, |
267123b4 | 1590 | int need_8bit_cte) |
93fc05eb | 1591 | { |
41dd00ba | 1592 | static const int max_length = 78; /* per rfc2047 */ |
93fc05eb JS |
1593 | struct strbuf title; |
1594 | ||
1595 | strbuf_init(&title, 80); | |
9553d2b2 JK |
1596 | *msg_p = format_subject(&title, *msg_p, |
1597 | pp->preserve_subject ? "\n" : " "); | |
93fc05eb JS |
1598 | |
1599 | strbuf_grow(sb, title.len + 1024); | |
6bf13944 JK |
1600 | if (pp->subject) { |
1601 | strbuf_addstr(sb, pp->subject); | |
41dd00ba JS |
1602 | if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) |
1603 | add_rfc2047(sb, title.buf, title.len, | |
1604 | encoding, RFC2047_SUBJECT); | |
1605 | else | |
1606 | strbuf_add_wrapped_bytes(sb, title.buf, title.len, | |
1607 | -last_line_length(sb), 1, max_length); | |
93fc05eb JS |
1608 | } else { |
1609 | strbuf_addbuf(sb, &title); | |
1610 | } | |
1611 | strbuf_addch(sb, '\n'); | |
1612 | ||
a9080475 JK |
1613 | if (need_8bit_cte == 0) { |
1614 | int i; | |
1615 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1616 | if (has_non_ascii(pp->in_body_headers.items[i].string)) { | |
1617 | need_8bit_cte = 1; | |
1618 | break; | |
1619 | } | |
1620 | } | |
1621 | } | |
1622 | ||
6bf4f1b4 | 1623 | if (need_8bit_cte > 0) { |
93fc05eb JS |
1624 | const char *header_fmt = |
1625 | "MIME-Version: 1.0\n" | |
1626 | "Content-Type: text/plain; charset=%s\n" | |
1627 | "Content-Transfer-Encoding: 8bit\n"; | |
1628 | strbuf_addf(sb, header_fmt, encoding); | |
1629 | } | |
6bf13944 JK |
1630 | if (pp->after_subject) { |
1631 | strbuf_addstr(sb, pp->after_subject); | |
93fc05eb | 1632 | } |
6bf13944 | 1633 | if (pp->fmt == CMIT_FMT_EMAIL) { |
93fc05eb JS |
1634 | strbuf_addch(sb, '\n'); |
1635 | } | |
a9080475 JK |
1636 | |
1637 | if (pp->in_body_headers.nr) { | |
1638 | int i; | |
1639 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1640 | strbuf_addstr(sb, pp->in_body_headers.items[i].string); | |
1641 | free(pp->in_body_headers.items[i].string); | |
1642 | } | |
1643 | string_list_clear(&pp->in_body_headers, 0); | |
1644 | strbuf_addch(sb, '\n'); | |
1645 | } | |
1646 | ||
93fc05eb JS |
1647 | strbuf_release(&title); |
1648 | } | |
1649 | ||
10f2fbff | 1650 | void pp_remainder(struct pretty_print_context *pp, |
b02bd65f DB |
1651 | const char **msg_p, |
1652 | struct strbuf *sb, | |
1653 | int indent) | |
93fc05eb JS |
1654 | { |
1655 | int first = 1; | |
1656 | for (;;) { | |
1657 | const char *line = *msg_p; | |
1658 | int linelen = get_one_line(line); | |
1659 | *msg_p += linelen; | |
1660 | ||
1661 | if (!linelen) | |
1662 | break; | |
1663 | ||
1664 | if (is_empty_line(line, &linelen)) { | |
1665 | if (first) | |
1666 | continue; | |
6bf13944 | 1667 | if (pp->fmt == CMIT_FMT_SHORT) |
93fc05eb JS |
1668 | break; |
1669 | } | |
1670 | first = 0; | |
1671 | ||
1672 | strbuf_grow(sb, linelen + indent + 20); | |
1673 | if (indent) { | |
1674 | memset(sb->buf + sb->len, ' ', indent); | |
1675 | strbuf_setlen(sb, sb->len + indent); | |
1676 | } | |
1677 | strbuf_add(sb, line, linelen); | |
1678 | strbuf_addch(sb, '\n'); | |
1679 | } | |
1680 | } | |
1681 | ||
10f2fbff | 1682 | void pretty_print_commit(struct pretty_print_context *pp, |
6bf13944 JK |
1683 | const struct commit *commit, |
1684 | struct strbuf *sb) | |
93fc05eb JS |
1685 | { |
1686 | unsigned long beginning_of_body; | |
1687 | int indent = 4; | |
dd0d388c | 1688 | const char *msg; |
b000c59b | 1689 | const char *reencoded; |
93fc05eb | 1690 | const char *encoding; |
6bf13944 | 1691 | int need_8bit_cte = pp->need_8bit_cte; |
93fc05eb | 1692 | |
6bf13944 JK |
1693 | if (pp->fmt == CMIT_FMT_USERFORMAT) { |
1694 | format_commit_message(commit, user_format, sb, pp); | |
93fc05eb JS |
1695 | return; |
1696 | } | |
1697 | ||
e297cf5a | 1698 | encoding = get_log_output_encoding(); |
5a10d236 | 1699 | msg = reencoded = logmsg_reencode(commit, NULL, encoding); |
93fc05eb | 1700 | |
6bf13944 | 1701 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
93fc05eb JS |
1702 | indent = 0; |
1703 | ||
6bf4f1b4 JH |
1704 | /* |
1705 | * We need to check and emit Content-type: to mark it | |
1706 | * as 8-bit if we haven't done so. | |
93fc05eb | 1707 | */ |
6bf13944 | 1708 | if (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) { |
93fc05eb JS |
1709 | int i, ch, in_body; |
1710 | ||
1711 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
1712 | if (!in_body) { | |
1713 | /* author could be non 7-bit ASCII but | |
1714 | * the log may be so; skip over the | |
1715 | * header part first. | |
1716 | */ | |
1717 | if (ch == '\n' && msg[i+1] == '\n') | |
1718 | in_body = 1; | |
1719 | } | |
1720 | else if (non_ascii(ch)) { | |
6bf4f1b4 | 1721 | need_8bit_cte = 1; |
93fc05eb JS |
1722 | break; |
1723 | } | |
1724 | } | |
1725 | } | |
1726 | ||
6bf13944 JK |
1727 | pp_header(pp, encoding, commit, &msg, sb); |
1728 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) { | |
93fc05eb JS |
1729 | strbuf_addch(sb, '\n'); |
1730 | } | |
1731 | ||
1732 | /* Skip excess blank lines at the beginning of body, if any... */ | |
a0109668 | 1733 | msg = skip_empty_lines(msg); |
93fc05eb JS |
1734 | |
1735 | /* These formats treat the title line specially. */ | |
6bf13944 JK |
1736 | if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) |
1737 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); | |
93fc05eb JS |
1738 | |
1739 | beginning_of_body = sb->len; | |
6bf13944 JK |
1740 | if (pp->fmt != CMIT_FMT_ONELINE) |
1741 | pp_remainder(pp, &msg, sb, indent); | |
93fc05eb JS |
1742 | strbuf_rtrim(sb); |
1743 | ||
1744 | /* Make sure there is an EOLN for the non-oneline case */ | |
6bf13944 | 1745 | if (pp->fmt != CMIT_FMT_ONELINE) |
93fc05eb JS |
1746 | strbuf_addch(sb, '\n'); |
1747 | ||
1748 | /* | |
1749 | * The caller may append additional body text in e-mail | |
1750 | * format. Make sure we did not strip the blank line | |
1751 | * between the header and the body. | |
1752 | */ | |
6bf13944 | 1753 | if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body) |
93fc05eb | 1754 | strbuf_addch(sb, '\n'); |
a97a7468 | 1755 | |
b66103c3 | 1756 | unuse_commit_buffer(commit, reencoded); |
93fc05eb | 1757 | } |
8b8a5374 JK |
1758 | |
1759 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
1760 | struct strbuf *sb) | |
1761 | { | |
1762 | struct pretty_print_context pp = {0}; | |
6bf13944 JK |
1763 | pp.fmt = fmt; |
1764 | pretty_print_commit(&pp, commit, sb); | |
8b8a5374 | 1765 | } |