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Commit | Line | Data |
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93fc05eb | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
93fc05eb | 3 | #include "commit.h" |
93fc05eb JS |
4 | #include "utf8.h" |
5 | #include "diff.h" | |
6 | #include "revision.h" | |
c455c87c | 7 | #include "string-list.h" |
e0cbc397 | 8 | #include "mailmap.h" |
3b3d443f | 9 | #include "log-tree.h" |
a97a7468 | 10 | #include "notes.h" |
c002922a | 11 | #include "color.h" |
8f8f5476 | 12 | #include "reflog-walk.h" |
f6667c5e | 13 | #include "gpg-interface.h" |
d9f31fbf | 14 | #include "trailer.h" |
93fc05eb | 15 | |
304a50ad PS |
16 | /* |
17 | * The limit for formatting directives, which enable the caller to append | |
18 | * arbitrarily many bytes to the formatted buffer. This includes padding | |
19 | * and wrapping formatters. | |
20 | */ | |
21 | #define FORMATTING_LIMIT (16 * 1024) | |
22 | ||
93fc05eb | 23 | static char *user_format; |
40957891 WP |
24 | static struct cmt_fmt_map { |
25 | const char *name; | |
26 | enum cmit_fmt format; | |
27 | int is_tformat; | |
0893eec8 | 28 | int expand_tabs_in_log; |
2d7671ef | 29 | int is_alias; |
618a8550 | 30 | enum date_mode_type default_date_mode_type; |
2d7671ef | 31 | const char *user_format; |
40957891 | 32 | } *commit_formats; |
8028184e | 33 | static size_t builtin_formats_len; |
40957891 | 34 | static size_t commit_formats_len; |
8028184e | 35 | static size_t commit_formats_alloc; |
40957891 | 36 | static struct cmt_fmt_map *find_commit_format(const char *sought); |
93fc05eb | 37 | |
b9c7d6e4 JK |
38 | int commit_format_is_empty(enum cmit_fmt fmt) |
39 | { | |
40 | return fmt == CMIT_FMT_USERFORMAT && !*user_format; | |
41 | } | |
42 | ||
36407548 NS |
43 | static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) |
44 | { | |
45 | free(user_format); | |
46 | user_format = xstrdup(cp); | |
47 | if (is_tformat) | |
48 | rev->use_terminator = 1; | |
49 | rev->commit_format = CMIT_FMT_USERFORMAT; | |
50 | } | |
51 | ||
8028184e | 52 | static int git_pretty_formats_config(const char *var, const char *value, void *cb) |
93fc05eb | 53 | { |
8028184e WP |
54 | struct cmt_fmt_map *commit_format = NULL; |
55 | const char *name; | |
56 | const char *fmt; | |
93fc05eb | 57 | int i; |
8028184e | 58 | |
95b567c7 | 59 | if (!skip_prefix(var, "pretty.", &name)) |
8028184e WP |
60 | return 0; |
61 | ||
8028184e WP |
62 | for (i = 0; i < builtin_formats_len; i++) { |
63 | if (!strcmp(commit_formats[i].name, name)) | |
64 | return 0; | |
65 | } | |
66 | ||
67 | for (i = builtin_formats_len; i < commit_formats_len; i++) { | |
68 | if (!strcmp(commit_formats[i].name, name)) { | |
69 | commit_format = &commit_formats[i]; | |
70 | break; | |
71 | } | |
72 | } | |
73 | ||
74 | if (!commit_format) { | |
75 | ALLOC_GROW(commit_formats, commit_formats_len+1, | |
76 | commit_formats_alloc); | |
77 | commit_format = &commit_formats[commit_formats_len]; | |
95a2618f | 78 | memset(commit_format, 0, sizeof(*commit_format)); |
8028184e WP |
79 | commit_formats_len++; |
80 | } | |
81 | ||
82 | commit_format->name = xstrdup(name); | |
83 | commit_format->format = CMIT_FMT_USERFORMAT; | |
a26bc613 TA |
84 | if (git_config_string(&fmt, var, value)) |
85 | return -1; | |
86 | ||
e3f1da98 RS |
87 | if (skip_prefix(fmt, "format:", &fmt)) |
88 | commit_format->is_tformat = 0; | |
89 | else if (skip_prefix(fmt, "tformat:", &fmt) || strchr(fmt, '%')) | |
8028184e WP |
90 | commit_format->is_tformat = 1; |
91 | else | |
92 | commit_format->is_alias = 1; | |
93 | commit_format->user_format = fmt; | |
94 | ||
95 | return 0; | |
96 | } | |
97 | ||
40957891 | 98 | static void setup_commit_formats(void) |
93fc05eb | 99 | { |
40957891 | 100 | struct cmt_fmt_map builtin_formats[] = { |
0893eec8 | 101 | { "raw", CMIT_FMT_RAW, 0, 0 }, |
fe37a9c5 | 102 | { "medium", CMIT_FMT_MEDIUM, 0, 8 }, |
0893eec8 JH |
103 | { "short", CMIT_FMT_SHORT, 0, 0 }, |
104 | { "email", CMIT_FMT_EMAIL, 0, 0 }, | |
9f23e040 | 105 | { "mboxrd", CMIT_FMT_MBOXRD, 0, 0 }, |
fe37a9c5 JH |
106 | { "fuller", CMIT_FMT_FULLER, 0, 8 }, |
107 | { "full", CMIT_FMT_FULL, 0, 8 }, | |
1f0fc1db DL |
108 | { "oneline", CMIT_FMT_ONELINE, 1, 0 }, |
109 | { "reference", CMIT_FMT_USERFORMAT, 1, 0, | |
110 | 0, DATE_SHORT, "%C(auto)%h (%s, %ad)" }, | |
5a59a230 NTND |
111 | /* |
112 | * Please update $__git_log_pretty_formats in | |
113 | * git-completion.bash when you add new formats. | |
114 | */ | |
4da45bef | 115 | }; |
40957891 | 116 | commit_formats_len = ARRAY_SIZE(builtin_formats); |
8028184e WP |
117 | builtin_formats_len = commit_formats_len; |
118 | ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); | |
921d49be RS |
119 | COPY_ARRAY(commit_formats, builtin_formats, |
120 | ARRAY_SIZE(builtin_formats)); | |
8028184e WP |
121 | |
122 | git_config(git_pretty_formats_config, NULL); | |
40957891 WP |
123 | } |
124 | ||
2d7671ef WP |
125 | static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, |
126 | const char *original, | |
127 | int num_redirections) | |
40957891 WP |
128 | { |
129 | struct cmt_fmt_map *found = NULL; | |
130 | size_t found_match_len = 0; | |
131 | int i; | |
132 | ||
2d7671ef WP |
133 | if (num_redirections >= commit_formats_len) |
134 | die("invalid --pretty format: " | |
135 | "'%s' references an alias which points to itself", | |
136 | original); | |
40957891 WP |
137 | |
138 | for (i = 0; i < commit_formats_len; i++) { | |
139 | size_t match_len; | |
140 | ||
59556548 | 141 | if (!starts_with(commit_formats[i].name, sought)) |
40957891 WP |
142 | continue; |
143 | ||
144 | match_len = strlen(commit_formats[i].name); | |
145 | if (found == NULL || found_match_len > match_len) { | |
146 | found = &commit_formats[i]; | |
147 | found_match_len = match_len; | |
148 | } | |
149 | } | |
2d7671ef WP |
150 | |
151 | if (found && found->is_alias) { | |
152 | found = find_commit_format_recursive(found->user_format, | |
153 | original, | |
154 | num_redirections+1); | |
155 | } | |
156 | ||
40957891 WP |
157 | return found; |
158 | } | |
159 | ||
2d7671ef WP |
160 | static struct cmt_fmt_map *find_commit_format(const char *sought) |
161 | { | |
162 | if (!commit_formats) | |
163 | setup_commit_formats(); | |
164 | ||
165 | return find_commit_format_recursive(sought, sought, 0); | |
166 | } | |
167 | ||
40957891 WP |
168 | void get_commit_format(const char *arg, struct rev_info *rev) |
169 | { | |
170 | struct cmt_fmt_map *commit_format; | |
93fc05eb | 171 | |
4da45bef | 172 | rev->use_terminator = 0; |
c75e7ad2 | 173 | if (!arg) { |
4da45bef JH |
174 | rev->commit_format = CMIT_FMT_DEFAULT; |
175 | return; | |
176 | } | |
e3f1da98 RS |
177 | if (skip_prefix(arg, "format:", &arg)) { |
178 | save_user_format(rev, arg, 0); | |
4da45bef | 179 | return; |
93fc05eb | 180 | } |
40957891 | 181 | |
e3f1da98 | 182 | if (!*arg || skip_prefix(arg, "tformat:", &arg) || strchr(arg, '%')) { |
36407548 NS |
183 | save_user_format(rev, arg, 1); |
184 | return; | |
185 | } | |
93fc05eb | 186 | |
40957891 WP |
187 | commit_format = find_commit_format(arg); |
188 | if (!commit_format) | |
189 | die("invalid --pretty format: %s", arg); | |
190 | ||
191 | rev->commit_format = commit_format->format; | |
192 | rev->use_terminator = commit_format->is_tformat; | |
0893eec8 | 193 | rev->expand_tabs_in_log_default = commit_format->expand_tabs_in_log; |
618a8550 DL |
194 | if (!rev->date_mode_explicit && commit_format->default_date_mode_type) |
195 | rev->date_mode.type = commit_format->default_date_mode_type; | |
8028184e WP |
196 | if (commit_format->format == CMIT_FMT_USERFORMAT) { |
197 | save_user_format(rev, commit_format->user_format, | |
198 | commit_format->is_tformat); | |
199 | } | |
93fc05eb JS |
200 | } |
201 | ||
202 | /* | |
203 | * Generic support for pretty-printing the header | |
204 | */ | |
205 | static int get_one_line(const char *msg) | |
206 | { | |
207 | int ret = 0; | |
208 | ||
209 | for (;;) { | |
210 | char c = *msg++; | |
211 | if (!c) | |
212 | break; | |
213 | ret++; | |
214 | if (c == '\n') | |
215 | break; | |
216 | } | |
217 | return ret; | |
218 | } | |
219 | ||
220 | /* High bit set, or ISO-2022-INT */ | |
cc571142 | 221 | static int non_ascii(int ch) |
93fc05eb | 222 | { |
c2e9364a | 223 | return !isascii(ch) || ch == '\033'; |
93fc05eb JS |
224 | } |
225 | ||
28e9cf65 JS |
226 | int has_non_ascii(const char *s) |
227 | { | |
228 | int ch; | |
229 | if (!s) | |
230 | return 0; | |
231 | while ((ch = *s++) != '\0') { | |
232 | if (non_ascii(ch)) | |
233 | return 1; | |
234 | } | |
235 | return 0; | |
236 | } | |
237 | ||
4d03c18a JK |
238 | static int is_rfc822_special(char ch) |
239 | { | |
240 | switch (ch) { | |
241 | case '(': | |
242 | case ')': | |
243 | case '<': | |
244 | case '>': | |
245 | case '[': | |
246 | case ']': | |
247 | case ':': | |
248 | case ';': | |
249 | case '@': | |
250 | case ',': | |
251 | case '.': | |
252 | case '"': | |
253 | case '\\': | |
254 | return 1; | |
255 | default: | |
256 | return 0; | |
257 | } | |
258 | } | |
259 | ||
41dd00ba | 260 | static int needs_rfc822_quoting(const char *s, int len) |
4d03c18a JK |
261 | { |
262 | int i; | |
263 | for (i = 0; i < len; i++) | |
264 | if (is_rfc822_special(s[i])) | |
265 | return 1; | |
266 | return 0; | |
267 | } | |
268 | ||
f9b7204b JS |
269 | static int last_line_length(struct strbuf *sb) |
270 | { | |
271 | int i; | |
272 | ||
273 | /* How many bytes are already used on the last line? */ | |
274 | for (i = sb->len - 1; i >= 0; i--) | |
275 | if (sb->buf[i] == '\n') | |
276 | break; | |
277 | return sb->len - (i + 1); | |
278 | } | |
279 | ||
4d03c18a JK |
280 | static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) |
281 | { | |
282 | int i; | |
283 | ||
284 | /* just a guess, we may have to also backslash-quote */ | |
285 | strbuf_grow(out, len + 2); | |
286 | ||
287 | strbuf_addch(out, '"'); | |
288 | for (i = 0; i < len; i++) { | |
289 | switch (s[i]) { | |
290 | case '"': | |
291 | case '\\': | |
292 | strbuf_addch(out, '\\'); | |
293 | /* fall through */ | |
294 | default: | |
295 | strbuf_addch(out, s[i]); | |
296 | } | |
297 | } | |
298 | strbuf_addch(out, '"'); | |
299 | } | |
300 | ||
0fcec2ce JS |
301 | enum rfc2047_type { |
302 | RFC2047_SUBJECT, | |
78273520 | 303 | RFC2047_ADDRESS |
0fcec2ce JS |
304 | }; |
305 | ||
306 | static int is_rfc2047_special(char ch, enum rfc2047_type type) | |
93fc05eb | 307 | { |
0fcec2ce JS |
308 | /* |
309 | * rfc2047, section 4.2: | |
310 | * | |
311 | * 8-bit values which correspond to printable ASCII characters other | |
312 | * than "=", "?", and "_" (underscore), MAY be represented as those | |
313 | * characters. (But see section 5 for restrictions.) In | |
314 | * particular, SPACE and TAB MUST NOT be represented as themselves | |
315 | * within encoded words. | |
316 | */ | |
317 | ||
318 | /* | |
319 | * rule out non-ASCII characters and non-printable characters (the | |
320 | * non-ASCII check should be redundant as isprint() is not localized | |
321 | * and only knows about ASCII, but be defensive about that) | |
322 | */ | |
323 | if (non_ascii(ch) || !isprint(ch)) | |
324 | return 1; | |
325 | ||
326 | /* | |
327 | * rule out special printable characters (' ' should be the only | |
328 | * whitespace character considered printable, but be defensive and use | |
329 | * isspace()) | |
330 | */ | |
331 | if (isspace(ch) || ch == '=' || ch == '?' || ch == '_') | |
94f6cdf6 JS |
332 | return 1; |
333 | ||
0fcec2ce JS |
334 | /* |
335 | * rfc2047, section 5.3: | |
336 | * | |
337 | * As a replacement for a 'word' entity within a 'phrase', for example, | |
338 | * one that precedes an address in a From, To, or Cc header. The ABNF | |
339 | * definition for 'phrase' from RFC 822 thus becomes: | |
340 | * | |
341 | * phrase = 1*( encoded-word / word ) | |
342 | * | |
343 | * In this case the set of characters that may be used in a "Q"-encoded | |
344 | * 'encoded-word' is restricted to: <upper and lower case ASCII | |
345 | * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" | |
346 | * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a | |
347 | * 'phrase' MUST be separated from any adjacent 'word', 'text' or | |
348 | * 'special' by 'linear-white-space'. | |
349 | */ | |
350 | ||
351 | if (type != RFC2047_ADDRESS) | |
352 | return 0; | |
353 | ||
354 | /* '=' and '_' are special cases and have been checked above */ | |
355 | return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/'); | |
93fc05eb JS |
356 | } |
357 | ||
da55ff3d | 358 | static int needs_rfc2047_encoding(const char *line, int len) |
93fc05eb | 359 | { |
a1f6baa5 | 360 | int i; |
93fc05eb JS |
361 | |
362 | for (i = 0; i < len; i++) { | |
363 | int ch = line[i]; | |
c22e7de3 | 364 | if (non_ascii(ch) || ch == '\n') |
41dd00ba | 365 | return 1; |
93fc05eb | 366 | if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) |
41dd00ba | 367 | return 1; |
93fc05eb | 368 | } |
93fc05eb | 369 | |
41dd00ba JS |
370 | return 0; |
371 | } | |
372 | ||
6cd3c053 | 373 | static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, |
41dd00ba JS |
374 | const char *encoding, enum rfc2047_type type) |
375 | { | |
376 | static const int max_encoded_length = 76; /* per rfc2047 */ | |
377 | int i; | |
378 | int line_len = last_line_length(sb); | |
379 | ||
93fc05eb JS |
380 | strbuf_grow(sb, len * 3 + strlen(encoding) + 100); |
381 | strbuf_addf(sb, "=?%s?q?", encoding); | |
a1f6baa5 | 382 | line_len += strlen(encoding) + 5; /* 5 for =??q? */ |
6cd3c053 KS |
383 | |
384 | while (len) { | |
385 | /* | |
386 | * RFC 2047, section 5 (3): | |
387 | * | |
388 | * Each 'encoded-word' MUST represent an integral number of | |
389 | * characters. A multi-octet character may not be split across | |
390 | * adjacent 'encoded- word's. | |
391 | */ | |
392 | const unsigned char *p = (const unsigned char *)line; | |
393 | int chrlen = mbs_chrlen(&line, &len, encoding); | |
394 | int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); | |
395 | ||
396 | /* "=%02X" * chrlen, or the byte itself */ | |
397 | const char *encoded_fmt = is_special ? "=%02X" : "%c"; | |
398 | int encoded_len = is_special ? 3 * chrlen : 1; | |
94f6cdf6 JS |
399 | |
400 | /* | |
401 | * According to RFC 2047, we could encode the special character | |
402 | * ' ' (space) with '_' (underscore) for readability. But many | |
403 | * programs do not understand this and just leave the | |
404 | * underscore in place. Thus, we do nothing special here, which | |
405 | * causes ' ' to be encoded as '=20', avoiding this problem. | |
406 | */ | |
a1f6baa5 | 407 | |
6cd3c053 KS |
408 | if (line_len + encoded_len + 2 > max_encoded_length) { |
409 | /* It won't fit with trailing "?=" --- break the line */ | |
a1f6baa5 JK |
410 | strbuf_addf(sb, "?=\n =?%s?q?", encoding); |
411 | line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ | |
412 | } | |
413 | ||
6cd3c053 KS |
414 | for (i = 0; i < chrlen; i++) |
415 | strbuf_addf(sb, encoded_fmt, p[i]); | |
416 | line_len += encoded_len; | |
93fc05eb | 417 | } |
93fc05eb JS |
418 | strbuf_addstr(sb, "?="); |
419 | } | |
420 | ||
d1053246 | 421 | const char *show_ident_date(const struct ident_split *ident, |
a5481a6c | 422 | const struct date_mode *mode) |
9dbe7c3d | 423 | { |
dddbad72 | 424 | timestamp_t date = 0; |
3f419d45 | 425 | long tz = 0; |
9dbe7c3d RS |
426 | |
427 | if (ident->date_begin && ident->date_end) | |
1aeb7e75 | 428 | date = parse_timestamp(ident->date_begin, NULL, 10); |
1dca155f JK |
429 | if (date_overflows(date)) |
430 | date = 0; | |
431 | else { | |
432 | if (ident->tz_begin && ident->tz_end) | |
433 | tz = strtol(ident->tz_begin, NULL, 10); | |
3f419d45 | 434 | if (tz >= INT_MAX || tz <= INT_MIN) |
1dca155f JK |
435 | tz = 0; |
436 | } | |
9dbe7c3d RS |
437 | return show_date(date, tz, mode); |
438 | } | |
439 | ||
10f2fbff | 440 | void pp_user_info(struct pretty_print_context *pp, |
6bf13944 JK |
441 | const char *what, struct strbuf *sb, |
442 | const char *line, const char *encoding) | |
93fc05eb | 443 | { |
3c020bd5 | 444 | struct ident_split ident; |
9dbe7c3d | 445 | char *line_end; |
dffd325f AP |
446 | const char *mailbuf, *namebuf; |
447 | size_t namelen, maillen; | |
41dd00ba | 448 | int max_length = 78; /* per rfc2822 */ |
93fc05eb | 449 | |
6bf13944 | 450 | if (pp->fmt == CMIT_FMT_ONELINE) |
93fc05eb | 451 | return; |
3c020bd5 | 452 | |
30e77bcb RS |
453 | line_end = strchrnul(line, '\n'); |
454 | if (split_ident_line(&ident, line, line_end - line)) | |
93fc05eb | 455 | return; |
3c020bd5 | 456 | |
dffd325f AP |
457 | mailbuf = ident.mail_begin; |
458 | maillen = ident.mail_end - ident.mail_begin; | |
459 | namebuf = ident.name_begin; | |
460 | namelen = ident.name_end - ident.name_begin; | |
461 | ||
462 | if (pp->mailmap) | |
463 | map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); | |
464 | ||
9f23e040 | 465 | if (cmit_fmt_is_mail(pp->fmt)) { |
662cc30c | 466 | if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { |
a9080475 JK |
467 | struct strbuf buf = STRBUF_INIT; |
468 | ||
469 | strbuf_addstr(&buf, "From: "); | |
470 | strbuf_add(&buf, namebuf, namelen); | |
471 | strbuf_addstr(&buf, " <"); | |
472 | strbuf_add(&buf, mailbuf, maillen); | |
473 | strbuf_addstr(&buf, ">\n"); | |
474 | string_list_append(&pp->in_body_headers, | |
475 | strbuf_detach(&buf, NULL)); | |
476 | ||
477 | mailbuf = pp->from_ident->mail_begin; | |
478 | maillen = pp->from_ident->mail_end - mailbuf; | |
479 | namebuf = pp->from_ident->name_begin; | |
480 | namelen = pp->from_ident->name_end - namebuf; | |
481 | } | |
482 | ||
93fc05eb | 483 | strbuf_addstr(sb, "From: "); |
19d097e3 EB |
484 | if (pp->encode_email_headers && |
485 | needs_rfc2047_encoding(namebuf, namelen)) { | |
a0511b39 | 486 | add_rfc2047(sb, namebuf, namelen, |
dffd325f | 487 | encoding, RFC2047_ADDRESS); |
41dd00ba | 488 | max_length = 76; /* per rfc2047 */ |
a0511b39 | 489 | } else if (needs_rfc822_quoting(namebuf, namelen)) { |
4d03c18a | 490 | struct strbuf quoted = STRBUF_INIT; |
a0511b39 | 491 | add_rfc822_quoted("ed, namebuf, namelen); |
41dd00ba JS |
492 | strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, |
493 | -6, 1, max_length); | |
4d03c18a | 494 | strbuf_release("ed); |
41dd00ba | 495 | } else { |
a0511b39 | 496 | strbuf_add_wrapped_bytes(sb, namebuf, namelen, |
dffd325f | 497 | -6, 1, max_length); |
4d03c18a | 498 | } |
dffd325f | 499 | |
97a17e77 RS |
500 | if (max_length < |
501 | last_line_length(sb) + strlen(" <") + maillen + strlen(">")) | |
502 | strbuf_addch(sb, '\n'); | |
a0511b39 | 503 | strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); |
93fc05eb | 504 | } else { |
a0511b39 RS |
505 | strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, |
506 | (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", | |
507 | (int)namelen, namebuf, (int)maillen, mailbuf); | |
93fc05eb | 508 | } |
dffd325f | 509 | |
6bf13944 | 510 | switch (pp->fmt) { |
93fc05eb | 511 | case CMIT_FMT_MEDIUM: |
9dbe7c3d | 512 | strbuf_addf(sb, "Date: %s\n", |
a5481a6c | 513 | show_ident_date(&ident, &pp->date_mode)); |
93fc05eb JS |
514 | break; |
515 | case CMIT_FMT_EMAIL: | |
9f23e040 | 516 | case CMIT_FMT_MBOXRD: |
9dbe7c3d | 517 | strbuf_addf(sb, "Date: %s\n", |
a5481a6c | 518 | show_ident_date(&ident, DATE_MODE(RFC2822))); |
93fc05eb JS |
519 | break; |
520 | case CMIT_FMT_FULLER: | |
9dbe7c3d | 521 | strbuf_addf(sb, "%sDate: %s\n", what, |
a5481a6c | 522 | show_ident_date(&ident, &pp->date_mode)); |
93fc05eb JS |
523 | break; |
524 | default: | |
525 | /* notin' */ | |
526 | break; | |
527 | } | |
528 | } | |
529 | ||
77356122 | 530 | static int is_blank_line(const char *line, int *len_p) |
93fc05eb JS |
531 | { |
532 | int len = *len_p; | |
35b2fa5b | 533 | while (len && isspace(line[len - 1])) |
93fc05eb JS |
534 | len--; |
535 | *len_p = len; | |
536 | return !len; | |
537 | } | |
538 | ||
77356122 | 539 | const char *skip_blank_lines(const char *msg) |
a0109668 RS |
540 | { |
541 | for (;;) { | |
542 | int linelen = get_one_line(msg); | |
543 | int ll = linelen; | |
544 | if (!linelen) | |
545 | break; | |
77356122 | 546 | if (!is_blank_line(msg, &ll)) |
a0109668 RS |
547 | break; |
548 | msg += linelen; | |
549 | } | |
550 | return msg; | |
551 | } | |
552 | ||
6bf13944 JK |
553 | static void add_merge_info(const struct pretty_print_context *pp, |
554 | struct strbuf *sb, const struct commit *commit) | |
93fc05eb JS |
555 | { |
556 | struct commit_list *parent = commit->parents; | |
557 | ||
9f23e040 | 558 | if ((pp->fmt == CMIT_FMT_ONELINE) || (cmit_fmt_is_mail(pp->fmt)) || |
93fc05eb JS |
559 | !parent || !parent->next) |
560 | return; | |
561 | ||
562 | strbuf_addstr(sb, "Merge:"); | |
563 | ||
564 | while (parent) { | |
a94bb683 RS |
565 | struct object_id *oidp = &parent->item->object.oid; |
566 | strbuf_addch(sb, ' '); | |
6bf13944 | 567 | if (pp->abbrev) |
30e677e0 | 568 | strbuf_add_unique_abbrev(sb, oidp, pp->abbrev); |
a94bb683 RS |
569 | else |
570 | strbuf_addstr(sb, oid_to_hex(oidp)); | |
93fc05eb | 571 | parent = parent->next; |
93fc05eb JS |
572 | } |
573 | strbuf_addch(sb, '\n'); | |
574 | } | |
575 | ||
fe6eb7f2 | 576 | static char *get_header(const char *msg, const char *key) |
93fc05eb | 577 | { |
fe6eb7f2 JK |
578 | size_t len; |
579 | const char *v = find_commit_header(msg, key, &len); | |
580 | return v ? xmemdupz(v, len) : NULL; | |
93fc05eb JS |
581 | } |
582 | ||
583 | static char *replace_encoding_header(char *buf, const char *encoding) | |
584 | { | |
f285a2d7 | 585 | struct strbuf tmp = STRBUF_INIT; |
93fc05eb JS |
586 | size_t start, len; |
587 | char *cp = buf; | |
588 | ||
589 | /* guess if there is an encoding header before a \n\n */ | |
68d6d6eb | 590 | while (!starts_with(cp, "encoding ")) { |
93fc05eb JS |
591 | cp = strchr(cp, '\n'); |
592 | if (!cp || *++cp == '\n') | |
593 | return buf; | |
594 | } | |
595 | start = cp - buf; | |
596 | cp = strchr(cp, '\n'); | |
597 | if (!cp) | |
598 | return buf; /* should not happen but be defensive */ | |
599 | len = cp + 1 - (buf + start); | |
600 | ||
93fc05eb JS |
601 | strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); |
602 | if (is_encoding_utf8(encoding)) { | |
603 | /* we have re-coded to UTF-8; drop the header */ | |
604 | strbuf_remove(&tmp, start, len); | |
605 | } else { | |
606 | /* just replaces XXXX in 'encoding XXXX\n' */ | |
607 | strbuf_splice(&tmp, start + strlen("encoding "), | |
608 | len - strlen("encoding \n"), | |
609 | encoding, strlen(encoding)); | |
610 | } | |
611 | return strbuf_detach(&tmp, NULL); | |
612 | } | |
613 | ||
424510ed SB |
614 | const char *repo_logmsg_reencode(struct repository *r, |
615 | const struct commit *commit, | |
616 | char **commit_encoding, | |
617 | const char *output_encoding) | |
93fc05eb | 618 | { |
330db18c | 619 | static const char *utf8 = "UTF-8"; |
93fc05eb JS |
620 | const char *use_encoding; |
621 | char *encoding; | |
424510ed | 622 | const char *msg = repo_get_commit_buffer(r, commit, NULL); |
93fc05eb JS |
623 | char *out; |
624 | ||
5a10d236 NTND |
625 | if (!output_encoding || !*output_encoding) { |
626 | if (commit_encoding) | |
fe6eb7f2 | 627 | *commit_encoding = get_header(msg, "encoding"); |
dd0d388c | 628 | return msg; |
5a10d236 | 629 | } |
fe6eb7f2 | 630 | encoding = get_header(msg, "encoding"); |
5a10d236 NTND |
631 | if (commit_encoding) |
632 | *commit_encoding = encoding; | |
93fc05eb | 633 | use_encoding = encoding ? encoding : utf8; |
be5c9fb9 JK |
634 | if (same_encoding(use_encoding, output_encoding)) { |
635 | /* | |
636 | * No encoding work to be done. If we have no encoding header | |
637 | * at all, then there's nothing to do, and we can return the | |
638 | * message verbatim (whether newly allocated or not). | |
639 | */ | |
640 | if (!encoding) | |
641 | return msg; | |
642 | ||
643 | /* | |
644 | * Otherwise, we still want to munge the encoding header in the | |
645 | * result, which will be done by modifying the buffer. If we | |
646 | * are using a fresh copy, we can reuse it. But if we are using | |
b66103c3 JK |
647 | * the cached copy from get_commit_buffer, we need to duplicate it |
648 | * to avoid munging the cached copy. | |
be5c9fb9 | 649 | */ |
424510ed | 650 | if (msg == get_cached_commit_buffer(r, commit, NULL)) |
b66103c3 JK |
651 | out = xstrdup(msg); |
652 | else | |
653 | out = (char *)msg; | |
be5c9fb9 JK |
654 | } |
655 | else { | |
656 | /* | |
657 | * There's actual encoding work to do. Do the reencoding, which | |
658 | * still leaves the header to be replaced in the next step. At | |
659 | * this point, we are done with msg. If we allocated a fresh | |
660 | * copy, we can free it. | |
661 | */ | |
662 | out = reencode_string(msg, output_encoding, use_encoding); | |
b66103c3 | 663 | if (out) |
424510ed | 664 | repo_unuse_commit_buffer(r, commit, msg); |
be5c9fb9 JK |
665 | } |
666 | ||
667 | /* | |
668 | * This replacement actually consumes the buffer we hand it, so we do | |
669 | * not have to worry about freeing the old "out" here. | |
670 | */ | |
93fc05eb JS |
671 | if (out) |
672 | out = replace_encoding_header(out, output_encoding); | |
673 | ||
5a10d236 NTND |
674 | if (!commit_encoding) |
675 | free(encoding); | |
dd0d388c JK |
676 | /* |
677 | * If the re-encoding failed, out might be NULL here; in that | |
678 | * case we just return the commit message verbatim. | |
679 | */ | |
680 | return out ? out : msg; | |
681 | } | |
682 | ||
ea02ffa3 AP |
683 | static int mailmap_name(const char **email, size_t *email_len, |
684 | const char **name, size_t *name_len) | |
e0cbc397 | 685 | { |
c455c87c | 686 | static struct string_list *mail_map; |
e0cbc397 JS |
687 | if (!mail_map) { |
688 | mail_map = xcalloc(1, sizeof(*mail_map)); | |
d551a488 | 689 | read_mailmap(mail_map, NULL); |
e0cbc397 | 690 | } |
d20d654f | 691 | return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); |
e0cbc397 JS |
692 | } |
693 | ||
c3a670de | 694 | static size_t format_person_part(struct strbuf *sb, char part, |
a5481a6c JK |
695 | const char *msg, int len, |
696 | const struct date_mode *dmode) | |
93fc05eb | 697 | { |
c3a670de MC |
698 | /* currently all placeholders have same length */ |
699 | const int placeholder_len = 2; | |
4b340cfa | 700 | struct ident_split s; |
ea02ffa3 AP |
701 | const char *name, *mail; |
702 | size_t maillen, namelen; | |
93fc05eb | 703 | |
4b340cfa | 704 | if (split_ident_line(&s, msg, len) < 0) |
c3a670de MC |
705 | goto skip; |
706 | ||
ea02ffa3 AP |
707 | name = s.name_begin; |
708 | namelen = s.name_end - s.name_begin; | |
709 | mail = s.mail_begin; | |
710 | maillen = s.mail_end - s.mail_begin; | |
711 | ||
d8b8217c | 712 | if (part == 'N' || part == 'E' || part == 'L') /* mailmap lookup */ |
ea02ffa3 | 713 | mailmap_name(&mail, &maillen, &name, &namelen); |
e0cbc397 | 714 | if (part == 'n' || part == 'N') { /* name */ |
ea02ffa3 | 715 | strbuf_add(sb, name, namelen); |
c3a670de | 716 | return placeholder_len; |
cde75e59 | 717 | } |
d20d654f | 718 | if (part == 'e' || part == 'E') { /* email */ |
ea02ffa3 | 719 | strbuf_add(sb, mail, maillen); |
c3a670de | 720 | return placeholder_len; |
cde75e59 | 721 | } |
d8b8217c PB |
722 | if (part == 'l' || part == 'L') { /* local-part */ |
723 | const char *at = memchr(mail, '@', maillen); | |
724 | if (at) | |
725 | maillen = at - mail; | |
726 | strbuf_add(sb, mail, maillen); | |
727 | return placeholder_len; | |
728 | } | |
93fc05eb | 729 | |
4b340cfa | 730 | if (!s.date_begin) |
c3a670de | 731 | goto skip; |
93fc05eb | 732 | |
cde75e59 | 733 | if (part == 't') { /* date, UNIX timestamp */ |
4b340cfa | 734 | strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
c3a670de | 735 | return placeholder_len; |
cde75e59 | 736 | } |
93fc05eb | 737 | |
cde75e59 RS |
738 | switch (part) { |
739 | case 'd': /* date */ | |
9dbe7c3d | 740 | strbuf_addstr(sb, show_ident_date(&s, dmode)); |
c3a670de | 741 | return placeholder_len; |
cde75e59 | 742 | case 'D': /* date, RFC2822 style */ |
a5481a6c | 743 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RFC2822))); |
c3a670de | 744 | return placeholder_len; |
cde75e59 | 745 | case 'r': /* date, relative */ |
a5481a6c | 746 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RELATIVE))); |
c3a670de | 747 | return placeholder_len; |
466fb674 | 748 | case 'i': /* date, ISO 8601-like */ |
a5481a6c | 749 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601))); |
c3a670de | 750 | return placeholder_len; |
466fb674 | 751 | case 'I': /* date, ISO 8601 strict */ |
a5481a6c | 752 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601_STRICT))); |
466fb674 | 753 | return placeholder_len; |
0df62117 RS |
754 | case 's': |
755 | strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(SHORT))); | |
756 | return placeholder_len; | |
cde75e59 | 757 | } |
c3a670de MC |
758 | |
759 | skip: | |
760 | /* | |
4b340cfa JH |
761 | * reading from either a bogus commit, or a reflog entry with |
762 | * %gn, %ge, etc.; 'sb' cannot be updated, but we still need | |
763 | * to compute a valid return value. | |
c3a670de MC |
764 | */ |
765 | if (part == 'n' || part == 'e' || part == 't' || part == 'd' | |
766 | || part == 'D' || part == 'r' || part == 'i') | |
767 | return placeholder_len; | |
768 | ||
769 | return 0; /* unknown placeholder */ | |
93fc05eb JS |
770 | } |
771 | ||
f29d5958 RS |
772 | struct chunk { |
773 | size_t off; | |
774 | size_t len; | |
775 | }; | |
776 | ||
a5752342 NTND |
777 | enum flush_type { |
778 | no_flush, | |
779 | flush_right, | |
780 | flush_left, | |
1640632b | 781 | flush_left_and_steal, |
a5752342 NTND |
782 | flush_both |
783 | }; | |
784 | ||
a7f01c6b NTND |
785 | enum trunc_type { |
786 | trunc_none, | |
787 | trunc_left, | |
788 | trunc_middle, | |
789 | trunc_right | |
790 | }; | |
791 | ||
f29d5958 RS |
792 | struct format_commit_context { |
793 | const struct commit *commit; | |
dd2e794a | 794 | const struct pretty_print_context *pretty_ctx; |
f53bd743 RS |
795 | unsigned commit_header_parsed:1; |
796 | unsigned commit_message_parsed:1; | |
ffb6d7d5 | 797 | struct signature_check signature_check; |
a5752342 | 798 | enum flush_type flush_type; |
a7f01c6b | 799 | enum trunc_type truncate; |
b000c59b | 800 | const char *message; |
0940a76d | 801 | char *commit_encoding; |
02edd56b | 802 | size_t width, indent1, indent2; |
a95f067e | 803 | int auto_color; |
a5752342 | 804 | int padding; |
f29d5958 RS |
805 | |
806 | /* These offsets are relative to the start of the commit message. */ | |
f29d5958 RS |
807 | struct chunk author; |
808 | struct chunk committer; | |
f53bd743 RS |
809 | size_t message_off; |
810 | size_t subject_off; | |
f29d5958 | 811 | size_t body_off; |
b9c62321 RS |
812 | |
813 | /* The following ones are relative to the result struct strbuf. */ | |
02edd56b | 814 | size_t wrap_start; |
f29d5958 RS |
815 | }; |
816 | ||
817 | static void parse_commit_header(struct format_commit_context *context) | |
93fc05eb | 818 | { |
177b29dc | 819 | const char *msg = context->message; |
93fc05eb | 820 | int i; |
f29d5958 | 821 | |
f53bd743 | 822 | for (i = 0; msg[i]; i++) { |
e3f1da98 | 823 | const char *name; |
f29d5958 RS |
824 | int eol; |
825 | for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) | |
826 | ; /* do nothing */ | |
827 | ||
f29d5958 | 828 | if (i == eol) { |
f53bd743 | 829 | break; |
e3f1da98 RS |
830 | } else if (skip_prefix(msg + i, "author ", &name)) { |
831 | context->author.off = name - msg; | |
832 | context->author.len = msg + eol - name; | |
833 | } else if (skip_prefix(msg + i, "committer ", &name)) { | |
834 | context->committer.off = name - msg; | |
835 | context->committer.len = msg + eol - name; | |
f29d5958 RS |
836 | } |
837 | i = eol; | |
838 | } | |
f53bd743 | 839 | context->message_off = i; |
f29d5958 RS |
840 | context->commit_header_parsed = 1; |
841 | } | |
842 | ||
46d164b0 SB |
843 | static int istitlechar(char c) |
844 | { | |
845 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
846 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
847 | } | |
848 | ||
47d4676a | 849 | void format_sanitized_subject(struct strbuf *sb, const char *msg, size_t len) |
46d164b0 SB |
850 | { |
851 | size_t trimlen; | |
871d21d4 | 852 | size_t start_len = sb->len; |
46d164b0 | 853 | int space = 2; |
47d4676a | 854 | int i; |
46d164b0 | 855 | |
47d4676a HV |
856 | for (i = 0; i < len; i++) { |
857 | if (istitlechar(msg[i])) { | |
46d164b0 SB |
858 | if (space == 1) |
859 | strbuf_addch(sb, '-'); | |
860 | space = 0; | |
47d4676a HV |
861 | strbuf_addch(sb, msg[i]); |
862 | if (msg[i] == '.') | |
863 | while (msg[i+1] == '.') | |
864 | i++; | |
46d164b0 SB |
865 | } else |
866 | space |= 1; | |
867 | } | |
868 | ||
869 | /* trim any trailing '.' or '-' characters */ | |
870 | trimlen = 0; | |
871d21d4 SB |
871 | while (sb->len - trimlen > start_len && |
872 | (sb->buf[sb->len - 1 - trimlen] == '.' | |
873 | || sb->buf[sb->len - 1 - trimlen] == '-')) | |
46d164b0 SB |
874 | trimlen++; |
875 | strbuf_remove(sb, sb->len - trimlen, trimlen); | |
876 | } | |
877 | ||
cec08717 RS |
878 | const char *format_subject(struct strbuf *sb, const char *msg, |
879 | const char *line_separator) | |
88c44735 RS |
880 | { |
881 | int first = 1; | |
882 | ||
883 | for (;;) { | |
884 | const char *line = msg; | |
885 | int linelen = get_one_line(line); | |
886 | ||
887 | msg += linelen; | |
77356122 | 888 | if (!linelen || is_blank_line(line, &linelen)) |
88c44735 RS |
889 | break; |
890 | ||
f53bd743 RS |
891 | if (!sb) |
892 | continue; | |
88c44735 RS |
893 | strbuf_grow(sb, linelen + 2); |
894 | if (!first) | |
895 | strbuf_addstr(sb, line_separator); | |
896 | strbuf_add(sb, line, linelen); | |
897 | first = 0; | |
898 | } | |
899 | return msg; | |
900 | } | |
901 | ||
f53bd743 RS |
902 | static void parse_commit_message(struct format_commit_context *c) |
903 | { | |
177b29dc PN |
904 | const char *msg = c->message + c->message_off; |
905 | const char *start = c->message; | |
f53bd743 | 906 | |
77356122 | 907 | msg = skip_blank_lines(msg); |
f53bd743 RS |
908 | c->subject_off = msg - start; |
909 | ||
910 | msg = format_subject(NULL, msg, NULL); | |
77356122 | 911 | msg = skip_blank_lines(msg); |
f53bd743 RS |
912 | c->body_off = msg - start; |
913 | ||
914 | c->commit_message_parsed = 1; | |
915 | } | |
916 | ||
02edd56b RS |
917 | static void strbuf_wrap(struct strbuf *sb, size_t pos, |
918 | size_t width, size_t indent1, size_t indent2) | |
919 | { | |
920 | struct strbuf tmp = STRBUF_INIT; | |
921 | ||
922 | if (pos) | |
923 | strbuf_add(&tmp, sb->buf, pos); | |
924 | strbuf_add_wrapped_text(&tmp, sb->buf + pos, | |
48050c42 PS |
925 | cast_size_t_to_int(indent1), |
926 | cast_size_t_to_int(indent2), | |
927 | cast_size_t_to_int(width)); | |
02edd56b RS |
928 | strbuf_swap(&tmp, sb); |
929 | strbuf_release(&tmp); | |
930 | } | |
931 | ||
932 | static void rewrap_message_tail(struct strbuf *sb, | |
933 | struct format_commit_context *c, | |
934 | size_t new_width, size_t new_indent1, | |
935 | size_t new_indent2) | |
936 | { | |
937 | if (c->width == new_width && c->indent1 == new_indent1 && | |
938 | c->indent2 == new_indent2) | |
939 | return; | |
32ca4249 | 940 | if (c->wrap_start < sb->len) |
02edd56b RS |
941 | strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
942 | c->wrap_start = sb->len; | |
943 | c->width = new_width; | |
944 | c->indent1 = new_indent1; | |
945 | c->indent2 = new_indent2; | |
946 | } | |
947 | ||
cd1957f5 JK |
948 | static int format_reflog_person(struct strbuf *sb, |
949 | char part, | |
950 | struct reflog_walk_info *log, | |
a5481a6c | 951 | const struct date_mode *dmode) |
cd1957f5 JK |
952 | { |
953 | const char *ident; | |
954 | ||
955 | if (!log) | |
956 | return 2; | |
957 | ||
958 | ident = get_reflog_ident(log); | |
959 | if (!ident) | |
960 | return 2; | |
961 | ||
962 | return format_person_part(sb, part, ident, strlen(ident), dmode); | |
963 | } | |
964 | ||
fcabc2d9 NTND |
965 | static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ |
966 | const char *placeholder, | |
967 | struct format_commit_context *c) | |
968 | { | |
e3f1da98 | 969 | const char *rest = placeholder; |
18fb7ffc | 970 | const char *basic_color = NULL; |
e3f1da98 | 971 | |
fcabc2d9 NTND |
972 | if (placeholder[1] == '(') { |
973 | const char *begin = placeholder + 2; | |
974 | const char *end = strchr(begin, ')'); | |
975 | char color[COLOR_MAXLEN]; | |
976 | ||
977 | if (!end) | |
978 | return 0; | |
18fb7ffc | 979 | |
e3f1da98 | 980 | if (skip_prefix(begin, "auto,", &begin)) { |
fcabc2d9 NTND |
981 | if (!want_color(c->pretty_ctx->color)) |
982 | return end - placeholder + 1; | |
18fb7ffc JK |
983 | } else if (skip_prefix(begin, "always,", &begin)) { |
984 | /* nothing to do; we do not respect want_color at all */ | |
985 | } else { | |
986 | /* the default is the same as "auto" */ | |
987 | if (!want_color(c->pretty_ctx->color)) | |
988 | return end - placeholder + 1; | |
fcabc2d9 | 989 | } |
18fb7ffc | 990 | |
f6c5a296 JK |
991 | if (color_parse_mem(begin, end - begin, color) < 0) |
992 | die(_("unable to parse --pretty format")); | |
fcabc2d9 NTND |
993 | strbuf_addstr(sb, color); |
994 | return end - placeholder + 1; | |
995 | } | |
18fb7ffc JK |
996 | |
997 | /* | |
998 | * We handle things like "%C(red)" above; for historical reasons, there | |
999 | * are a few colors that can be specified without parentheses (and | |
1000 | * they cannot support things like "auto" or "always" at all). | |
1001 | */ | |
e3f1da98 | 1002 | if (skip_prefix(placeholder + 1, "red", &rest)) |
18fb7ffc | 1003 | basic_color = GIT_COLOR_RED; |
e3f1da98 | 1004 | else if (skip_prefix(placeholder + 1, "green", &rest)) |
18fb7ffc | 1005 | basic_color = GIT_COLOR_GREEN; |
e3f1da98 | 1006 | else if (skip_prefix(placeholder + 1, "blue", &rest)) |
18fb7ffc | 1007 | basic_color = GIT_COLOR_BLUE; |
e3f1da98 | 1008 | else if (skip_prefix(placeholder + 1, "reset", &rest)) |
18fb7ffc JK |
1009 | basic_color = GIT_COLOR_RESET; |
1010 | ||
1011 | if (basic_color && want_color(c->pretty_ctx->color)) | |
1012 | strbuf_addstr(sb, basic_color); | |
1013 | ||
e3f1da98 | 1014 | return rest - placeholder; |
fcabc2d9 NTND |
1015 | } |
1016 | ||
9a1180fc | 1017 | static size_t parse_padding_placeholder(const char *placeholder, |
a5752342 NTND |
1018 | struct format_commit_context *c) |
1019 | { | |
1020 | const char *ch = placeholder; | |
1021 | enum flush_type flush_type; | |
1022 | int to_column = 0; | |
1023 | ||
1024 | switch (*ch++) { | |
1025 | case '<': | |
1026 | flush_type = flush_right; | |
1027 | break; | |
1028 | case '>': | |
1029 | if (*ch == '<') { | |
1030 | flush_type = flush_both; | |
1031 | ch++; | |
1640632b NTND |
1032 | } else if (*ch == '>') { |
1033 | flush_type = flush_left_and_steal; | |
1034 | ch++; | |
a5752342 NTND |
1035 | } else |
1036 | flush_type = flush_left; | |
1037 | break; | |
1038 | default: | |
1039 | return 0; | |
1040 | } | |
1041 | ||
1042 | /* the next value means "wide enough to that column" */ | |
1043 | if (*ch == '|') { | |
1044 | to_column = 1; | |
1045 | ch++; | |
1046 | } | |
1047 | ||
1048 | if (*ch == '(') { | |
1049 | const char *start = ch + 1; | |
a7f01c6b | 1050 | const char *end = start + strcspn(start, ",)"); |
a5752342 NTND |
1051 | char *next; |
1052 | int width; | |
f6e0b9f3 | 1053 | if (!*end || end == start) |
a5752342 | 1054 | return 0; |
066790d7 | 1055 | width = strtol(start, &next, 10); |
304a50ad PS |
1056 | |
1057 | /* | |
1058 | * We need to limit the amount of padding, or otherwise this | |
1059 | * would allow the user to pad the buffer by arbitrarily many | |
1060 | * bytes and thus cause resource exhaustion. | |
1061 | */ | |
1062 | if (width < -FORMATTING_LIMIT || width > FORMATTING_LIMIT) | |
1063 | return 0; | |
1064 | ||
a5752342 NTND |
1065 | if (next == start || width == 0) |
1066 | return 0; | |
066790d7 NTND |
1067 | if (width < 0) { |
1068 | if (to_column) | |
1069 | width += term_columns(); | |
1070 | if (width < 0) | |
1071 | return 0; | |
1072 | } | |
a5752342 NTND |
1073 | c->padding = to_column ? -width : width; |
1074 | c->flush_type = flush_type; | |
a7f01c6b NTND |
1075 | |
1076 | if (*end == ',') { | |
1077 | start = end + 1; | |
1078 | end = strchr(start, ')'); | |
1079 | if (!end || end == start) | |
1080 | return 0; | |
59556548 | 1081 | if (starts_with(start, "trunc)")) |
a7f01c6b | 1082 | c->truncate = trunc_right; |
59556548 | 1083 | else if (starts_with(start, "ltrunc)")) |
a7f01c6b | 1084 | c->truncate = trunc_left; |
59556548 | 1085 | else if (starts_with(start, "mtrunc)")) |
a7f01c6b NTND |
1086 | c->truncate = trunc_middle; |
1087 | else | |
1088 | return 0; | |
1089 | } else | |
1090 | c->truncate = trunc_none; | |
1091 | ||
a5752342 NTND |
1092 | return end - placeholder + 1; |
1093 | } | |
1094 | return 0; | |
1095 | } | |
1096 | ||
4f732e0f AW |
1097 | static int match_placeholder_arg_value(const char *to_parse, const char *candidate, |
1098 | const char **end, const char **valuestart, | |
1099 | size_t *valuelen) | |
84ff053d TB |
1100 | { |
1101 | const char *p; | |
1102 | ||
1103 | if (!(skip_prefix(to_parse, candidate, &p))) | |
1104 | return 0; | |
4f732e0f AW |
1105 | if (valuestart) { |
1106 | if (*p == '=') { | |
1107 | *valuestart = p + 1; | |
1108 | *valuelen = strcspn(*valuestart, ",)"); | |
1109 | p = *valuestart + *valuelen; | |
1110 | } else { | |
1111 | if (*p != ',' && *p != ')') | |
1112 | return 0; | |
1113 | *valuestart = NULL; | |
1114 | *valuelen = 0; | |
1115 | } | |
1116 | } | |
84ff053d TB |
1117 | if (*p == ',') { |
1118 | *end = p + 1; | |
1119 | return 1; | |
1120 | } | |
1121 | if (*p == ')') { | |
1122 | *end = p; | |
1123 | return 1; | |
1124 | } | |
1125 | return 0; | |
1126 | } | |
1127 | ||
4f732e0f AW |
1128 | static int match_placeholder_bool_arg(const char *to_parse, const char *candidate, |
1129 | const char **end, int *val) | |
1130 | { | |
1131 | const char *argval; | |
1132 | char *strval; | |
1133 | size_t arglen; | |
1134 | int v; | |
1135 | ||
1136 | if (!match_placeholder_arg_value(to_parse, candidate, end, &argval, &arglen)) | |
1137 | return 0; | |
1138 | ||
1139 | if (!argval) { | |
1140 | *val = 1; | |
1141 | return 1; | |
1142 | } | |
1143 | ||
1144 | strval = xstrndup(argval, arglen); | |
1145 | v = git_parse_maybe_bool(strval); | |
1146 | free(strval); | |
1147 | ||
1148 | if (v == -1) | |
1149 | return 0; | |
1150 | ||
1151 | *val = v; | |
1152 | ||
1153 | return 1; | |
1154 | } | |
1155 | ||
250bea0c AW |
1156 | static int format_trailer_match_cb(const struct strbuf *key, void *ud) |
1157 | { | |
1158 | const struct string_list *list = ud; | |
1159 | const struct string_list_item *item; | |
1160 | ||
1161 | for_each_string_list_item (item, list) { | |
1162 | if (key->len == (uintptr_t)item->util && | |
1163 | !strncasecmp(item->string, key->buf, key->len)) | |
1164 | return 1; | |
1165 | } | |
1166 | return 0; | |
1167 | } | |
1168 | ||
7e77df39 NTND |
1169 | static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ |
1170 | const char *placeholder, | |
9fa708da | 1171 | void *context) |
f29d5958 RS |
1172 | { |
1173 | struct format_commit_context *c = context; | |
1174 | const struct commit *commit = c->commit; | |
177b29dc | 1175 | const char *msg = c->message; |
f29d5958 | 1176 | struct commit_list *p; |
47d4676a | 1177 | const char *arg, *eol; |
fd2015b3 | 1178 | size_t res; |
ad6f028f | 1179 | char **slot; |
93fc05eb | 1180 | |
93fc05eb | 1181 | /* these are independent of the commit */ |
fd2015b3 AW |
1182 | res = strbuf_expand_literal_cb(sb, placeholder, NULL); |
1183 | if (res) | |
1184 | return res; | |
1185 | ||
cde75e59 RS |
1186 | switch (placeholder[0]) { |
1187 | case 'C': | |
59556548 | 1188 | if (starts_with(placeholder + 1, "(auto)")) { |
b15a3e00 | 1189 | c->auto_color = want_color(c->pretty_ctx->color); |
82b83da8 | 1190 | if (c->auto_color && sb->len) |
c99ad274 | 1191 | strbuf_addstr(sb, GIT_COLOR_RESET); |
a95f067e NTND |
1192 | return 7; /* consumed 7 bytes, "C(auto)" */ |
1193 | } else { | |
1194 | int ret = parse_color(sb, placeholder, c); | |
1195 | if (ret) | |
1196 | c->auto_color = 0; | |
1197 | /* | |
1198 | * Otherwise, we decided to treat %C<unknown> | |
1199 | * as a literal string, and the previous | |
1200 | * %C(auto) is still valid. | |
1201 | */ | |
1202 | return ret; | |
c002922a | 1203 | } |
02edd56b RS |
1204 | case 'w': |
1205 | if (placeholder[1] == '(') { | |
1206 | unsigned long width = 0, indent1 = 0, indent2 = 0; | |
1207 | char *next; | |
1208 | const char *start = placeholder + 2; | |
1209 | const char *end = strchr(start, ')'); | |
1210 | if (!end) | |
1211 | return 0; | |
1212 | if (end > start) { | |
1213 | width = strtoul(start, &next, 10); | |
1214 | if (*next == ',') { | |
1215 | indent1 = strtoul(next + 1, &next, 10); | |
1216 | if (*next == ',') { | |
1217 | indent2 = strtoul(next + 1, | |
1218 | &next, 10); | |
1219 | } | |
1220 | } | |
1221 | if (*next != ')') | |
1222 | return 0; | |
1223 | } | |
304a50ad PS |
1224 | |
1225 | /* | |
1226 | * We need to limit the format here as it allows the | |
1227 | * user to prepend arbitrarily many bytes to the buffer | |
1228 | * when rewrapping. | |
1229 | */ | |
1230 | if (width > FORMATTING_LIMIT || | |
1231 | indent1 > FORMATTING_LIMIT || | |
1232 | indent2 > FORMATTING_LIMIT) | |
1233 | return 0; | |
02edd56b RS |
1234 | rewrap_message_tail(sb, c, width, indent1, indent2); |
1235 | return end - placeholder + 1; | |
1236 | } else | |
1237 | return 0; | |
a5752342 NTND |
1238 | |
1239 | case '<': | |
1240 | case '>': | |
9a1180fc | 1241 | return parse_padding_placeholder(placeholder, c); |
cde75e59 | 1242 | } |
93fc05eb JS |
1243 | |
1244 | /* these depend on the commit */ | |
1245 | if (!commit->object.parsed) | |
109cd76d | 1246 | parse_object(the_repository, &commit->object.oid); |
93fc05eb | 1247 | |
cde75e59 RS |
1248 | switch (placeholder[0]) { |
1249 | case 'H': /* commit hash */ | |
a95f067e | 1250 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
f2fd0760 | 1251 | strbuf_addstr(sb, oid_to_hex(&commit->object.oid)); |
a95f067e | 1252 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1253 | return 1; |
cde75e59 | 1254 | case 'h': /* abbreviated commit hash */ |
a95f067e | 1255 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
30e677e0 | 1256 | strbuf_add_unique_abbrev(sb, &commit->object.oid, |
1eb47f16 | 1257 | c->pretty_ctx->abbrev); |
a95f067e | 1258 | strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
c3a670de | 1259 | return 1; |
cde75e59 | 1260 | case 'T': /* tree hash */ |
2e27bd77 | 1261 | strbuf_addstr(sb, oid_to_hex(get_commit_tree_oid(commit))); |
c3a670de | 1262 | return 1; |
cde75e59 | 1263 | case 't': /* abbreviated tree hash */ |
2e27bd77 | 1264 | strbuf_add_unique_abbrev(sb, |
c89b6e13 | 1265 | get_commit_tree_oid(commit), |
1eb47f16 | 1266 | c->pretty_ctx->abbrev); |
c3a670de | 1267 | return 1; |
cde75e59 RS |
1268 | case 'P': /* parent hashes */ |
1269 | for (p = commit->parents; p; p = p->next) { | |
1270 | if (p != commit->parents) | |
1271 | strbuf_addch(sb, ' '); | |
f2fd0760 | 1272 | strbuf_addstr(sb, oid_to_hex(&p->item->object.oid)); |
cde75e59 | 1273 | } |
c3a670de | 1274 | return 1; |
cde75e59 RS |
1275 | case 'p': /* abbreviated parent hashes */ |
1276 | for (p = commit->parents; p; p = p->next) { | |
1277 | if (p != commit->parents) | |
1278 | strbuf_addch(sb, ' '); | |
30e677e0 | 1279 | strbuf_add_unique_abbrev(sb, &p->item->object.oid, |
1eb47f16 | 1280 | c->pretty_ctx->abbrev); |
cde75e59 | 1281 | } |
c3a670de | 1282 | return 1; |
cde75e59 | 1283 | case 'm': /* left/right/bottom */ |
1df2d656 | 1284 | strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
c3a670de | 1285 | return 1; |
3b3d443f | 1286 | case 'd': |
a95f067e | 1287 | format_decorations(sb, commit, c->auto_color); |
3b3d443f | 1288 | return 1; |
9271095c | 1289 | case 'D': |
9271095c HJ |
1290 | format_decorations_extended(sb, commit, c->auto_color, "", ", ", ""); |
1291 | return 1; | |
ad6f028f IT |
1292 | case 'S': /* tag/branch like --source */ |
1293 | if (!(c->pretty_ctx->rev && c->pretty_ctx->rev->sources)) | |
1294 | return 0; | |
1295 | slot = revision_sources_at(c->pretty_ctx->rev->sources, commit); | |
1296 | if (!(slot && *slot)) | |
1297 | return 0; | |
1298 | strbuf_addstr(sb, *slot); | |
1299 | return 1; | |
8f8f5476 TR |
1300 | case 'g': /* reflog info */ |
1301 | switch(placeholder[1]) { | |
1302 | case 'd': /* reflog selector */ | |
1303 | case 'D': | |
1304 | if (c->pretty_ctx->reflog_info) | |
1305 | get_reflog_selector(sb, | |
1306 | c->pretty_ctx->reflog_info, | |
a5481a6c | 1307 | &c->pretty_ctx->date_mode, |
55ccf85a | 1308 | c->pretty_ctx->date_mode_explicit, |
8f8f5476 TR |
1309 | (placeholder[1] == 'd')); |
1310 | return 2; | |
1311 | case 's': /* reflog message */ | |
1312 | if (c->pretty_ctx->reflog_info) | |
1313 | get_reflog_message(sb, c->pretty_ctx->reflog_info); | |
1314 | return 2; | |
cd1957f5 JK |
1315 | case 'n': |
1316 | case 'N': | |
1317 | case 'e': | |
1318 | case 'E': | |
1319 | return format_reflog_person(sb, | |
1320 | placeholder[1], | |
1321 | c->pretty_ctx->reflog_info, | |
a5481a6c | 1322 | &c->pretty_ctx->date_mode); |
8f8f5476 TR |
1323 | } |
1324 | return 0; /* unknown %g placeholder */ | |
8b208f02 | 1325 | case 'N': |
ddf333f6 JH |
1326 | if (c->pretty_ctx->notes_message) { |
1327 | strbuf_addstr(sb, c->pretty_ctx->notes_message); | |
5b163603 JG |
1328 | return 1; |
1329 | } | |
1330 | return 0; | |
cde75e59 RS |
1331 | } |
1332 | ||
f6667c5e | 1333 | if (placeholder[0] == 'G') { |
ffb6d7d5 SG |
1334 | if (!c->signature_check.result) |
1335 | check_commit_signature(c->commit, &(c->signature_check)); | |
f6667c5e JH |
1336 | switch (placeholder[1]) { |
1337 | case 'G': | |
ffb6d7d5 SG |
1338 | if (c->signature_check.gpg_output) |
1339 | strbuf_addstr(sb, c->signature_check.gpg_output); | |
f6667c5e JH |
1340 | break; |
1341 | case '?': | |
ffb6d7d5 | 1342 | switch (c->signature_check.result) { |
f6667c5e | 1343 | case 'G': |
54887b46 HJI |
1344 | switch (c->signature_check.trust_level) { |
1345 | case TRUST_UNDEFINED: | |
1346 | case TRUST_NEVER: | |
1347 | strbuf_addch(sb, 'U'); | |
1348 | break; | |
1349 | default: | |
1350 | strbuf_addch(sb, 'G'); | |
1351 | break; | |
1352 | } | |
1353 | break; | |
f6667c5e | 1354 | case 'B': |
661a1806 | 1355 | case 'E': |
e290c4b9 | 1356 | case 'N': |
661a1806 MG |
1357 | case 'X': |
1358 | case 'Y': | |
1359 | case 'R': | |
ffb6d7d5 | 1360 | strbuf_addch(sb, c->signature_check.result); |
f6667c5e JH |
1361 | } |
1362 | break; | |
1363 | case 'S': | |
ffb6d7d5 SG |
1364 | if (c->signature_check.signer) |
1365 | strbuf_addstr(sb, c->signature_check.signer); | |
f6667c5e | 1366 | break; |
0174eeaa | 1367 | case 'K': |
ffb6d7d5 SG |
1368 | if (c->signature_check.key) |
1369 | strbuf_addstr(sb, c->signature_check.key); | |
0174eeaa | 1370 | break; |
3daaaabe MG |
1371 | case 'F': |
1372 | if (c->signature_check.fingerprint) | |
1373 | strbuf_addstr(sb, c->signature_check.fingerprint); | |
1374 | break; | |
4de9394d MG |
1375 | case 'P': |
1376 | if (c->signature_check.primary_key_fingerprint) | |
1377 | strbuf_addstr(sb, c->signature_check.primary_key_fingerprint); | |
1378 | break; | |
54887b46 HJI |
1379 | case 'T': |
1380 | switch (c->signature_check.trust_level) { | |
1381 | case TRUST_UNDEFINED: | |
1382 | strbuf_addstr(sb, "undefined"); | |
1383 | break; | |
1384 | case TRUST_NEVER: | |
1385 | strbuf_addstr(sb, "never"); | |
1386 | break; | |
1387 | case TRUST_MARGINAL: | |
1388 | strbuf_addstr(sb, "marginal"); | |
1389 | break; | |
1390 | case TRUST_FULLY: | |
1391 | strbuf_addstr(sb, "fully"); | |
1392 | break; | |
1393 | case TRUST_ULTIMATE: | |
1394 | strbuf_addstr(sb, "ultimate"); | |
1395 | break; | |
1396 | } | |
1397 | break; | |
aa4b78d4 JK |
1398 | default: |
1399 | return 0; | |
f6667c5e JH |
1400 | } |
1401 | return 2; | |
1402 | } | |
1403 | ||
1404 | ||
cde75e59 | 1405 | /* For the rest we have to parse the commit header. */ |
f29d5958 RS |
1406 | if (!c->commit_header_parsed) |
1407 | parse_commit_header(c); | |
93fc05eb | 1408 | |
f29d5958 | 1409 | switch (placeholder[0]) { |
c3a670de MC |
1410 | case 'a': /* author ... */ |
1411 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1412 | msg + c->author.off, c->author.len, |
a5481a6c | 1413 | &c->pretty_ctx->date_mode); |
c3a670de MC |
1414 | case 'c': /* committer ... */ |
1415 | return format_person_part(sb, placeholder[1], | |
d36f8679 | 1416 | msg + c->committer.off, c->committer.len, |
a5481a6c | 1417 | &c->pretty_ctx->date_mode); |
c3a670de | 1418 | case 'e': /* encoding */ |
0940a76d NTND |
1419 | if (c->commit_encoding) |
1420 | strbuf_addstr(sb, c->commit_encoding); | |
c3a670de | 1421 | return 1; |
1367b12a EB |
1422 | case 'B': /* raw body */ |
1423 | /* message_off is always left at the initial newline */ | |
1424 | strbuf_addstr(sb, msg + c->message_off + 1); | |
1425 | return 1; | |
f53bd743 RS |
1426 | } |
1427 | ||
1428 | /* Now we need to parse the commit message. */ | |
1429 | if (!c->commit_message_parsed) | |
1430 | parse_commit_message(c); | |
1431 | ||
1432 | switch (placeholder[0]) { | |
1433 | case 's': /* subject */ | |
1434 | format_subject(sb, msg + c->subject_off, " "); | |
1435 | return 1; | |
46d164b0 | 1436 | case 'f': /* sanitized subject */ |
47d4676a HV |
1437 | eol = strchrnul(msg + c->subject_off, '\n'); |
1438 | format_sanitized_subject(sb, msg + c->subject_off, eol - (msg + c->subject_off)); | |
46d164b0 | 1439 | return 1; |
c3a670de | 1440 | case 'b': /* body */ |
f29d5958 | 1441 | strbuf_addstr(sb, msg + c->body_off); |
c3a670de | 1442 | return 1; |
93fc05eb | 1443 | } |
d9f31fbf | 1444 | |
58311c66 | 1445 | if (skip_prefix(placeholder, "(trailers", &arg)) { |
a388b10f | 1446 | struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; |
250bea0c | 1447 | struct string_list filter_list = STRING_LIST_INIT_NODUP; |
0b691d86 | 1448 | struct strbuf sepbuf = STRBUF_INIT; |
3e3f3478 | 1449 | size_t ret = 0; |
e5fba5d5 JK |
1450 | |
1451 | opts.no_divider = 1; | |
1452 | ||
84ff053d TB |
1453 | if (*arg == ':') { |
1454 | arg++; | |
1455 | for (;;) { | |
250bea0c AW |
1456 | const char *argval; |
1457 | size_t arglen; | |
1458 | ||
1459 | if (match_placeholder_arg_value(arg, "key", &arg, &argval, &arglen)) { | |
1460 | uintptr_t len = arglen; | |
1461 | ||
1462 | if (!argval) | |
1463 | goto trailer_out; | |
1464 | ||
1465 | if (len && argval[len - 1] == ':') | |
1466 | len--; | |
1467 | string_list_append(&filter_list, argval)->util = (char *)len; | |
1468 | ||
1469 | opts.filter = format_trailer_match_cb; | |
1470 | opts.filter_data = &filter_list; | |
84ff053d | 1471 | opts.only_trailers = 1; |
0b691d86 AW |
1472 | } else if (match_placeholder_arg_value(arg, "separator", &arg, &argval, &arglen)) { |
1473 | char *fmt; | |
1474 | ||
1475 | strbuf_reset(&sepbuf); | |
1476 | fmt = xstrndup(argval, arglen); | |
1477 | strbuf_expand(&sepbuf, fmt, strbuf_expand_literal_cb, NULL); | |
1478 | free(fmt); | |
1479 | opts.separator = &sepbuf; | |
250bea0c | 1480 | } else if (!match_placeholder_bool_arg(arg, "only", &arg, &opts.only_trailers) && |
d9b936db AW |
1481 | !match_placeholder_bool_arg(arg, "unfold", &arg, &opts.unfold) && |
1482 | !match_placeholder_bool_arg(arg, "valueonly", &arg, &opts.value_only)) | |
84ff053d TB |
1483 | break; |
1484 | } | |
58311c66 JK |
1485 | } |
1486 | if (*arg == ')') { | |
1487 | format_trailers_from_commit(sb, msg + c->subject_off, &opts); | |
3e3f3478 | 1488 | ret = arg - placeholder + 1; |
58311c66 | 1489 | } |
250bea0c AW |
1490 | trailer_out: |
1491 | string_list_clear(&filter_list, 0); | |
0b691d86 | 1492 | strbuf_release(&sepbuf); |
3e3f3478 | 1493 | return ret; |
d9f31fbf JK |
1494 | } |
1495 | ||
c3a670de | 1496 | return 0; /* unknown placeholder */ |
cde75e59 RS |
1497 | } |
1498 | ||
a5752342 NTND |
1499 | static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ |
1500 | const char *placeholder, | |
1501 | struct format_commit_context *c) | |
1502 | { | |
1503 | struct strbuf local_sb = STRBUF_INIT; | |
81dc898d PS |
1504 | size_t total_consumed = 0; |
1505 | int len, padding = c->padding; | |
1506 | ||
a5752342 NTND |
1507 | if (padding < 0) { |
1508 | const char *start = strrchr(sb->buf, '\n'); | |
1509 | int occupied; | |
1510 | if (!start) | |
1511 | start = sb->buf; | |
522cc87f | 1512 | occupied = utf8_strnwidth(start, strlen(start), 1); |
3ad87c80 | 1513 | occupied += c->pretty_ctx->graph_width; |
a5752342 NTND |
1514 | padding = (-padding) - occupied; |
1515 | } | |
1516 | while (1) { | |
1517 | int modifier = *placeholder == 'C'; | |
81dc898d | 1518 | size_t consumed = format_commit_one(&local_sb, placeholder, c); |
a5752342 NTND |
1519 | total_consumed += consumed; |
1520 | ||
1521 | if (!modifier) | |
1522 | break; | |
1523 | ||
1524 | placeholder += consumed; | |
1525 | if (*placeholder != '%') | |
1526 | break; | |
1527 | placeholder++; | |
1528 | total_consumed++; | |
1529 | } | |
522cc87f | 1530 | len = utf8_strnwidth(local_sb.buf, local_sb.len, 1); |
1640632b NTND |
1531 | |
1532 | if (c->flush_type == flush_left_and_steal) { | |
1533 | const char *ch = sb->buf + sb->len - 1; | |
1534 | while (len > padding && ch > sb->buf) { | |
1535 | const char *p; | |
1536 | if (*ch == ' ') { | |
1537 | ch--; | |
1538 | padding++; | |
1539 | continue; | |
1540 | } | |
1541 | /* check for trailing ansi sequences */ | |
1542 | if (*ch != 'm') | |
1543 | break; | |
1544 | p = ch - 1; | |
b49f309a | 1545 | while (p > sb->buf && ch - p < 10 && *p != '\033') |
1640632b NTND |
1546 | p--; |
1547 | if (*p != '\033' || | |
1548 | ch + 1 - p != display_mode_esc_sequence_len(p)) | |
1549 | break; | |
1550 | /* | |
1551 | * got a good ansi sequence, put it back to | |
1552 | * local_sb as we're cutting sb | |
1553 | */ | |
1554 | strbuf_insert(&local_sb, 0, p, ch + 1 - p); | |
1555 | ch = p - 1; | |
1556 | } | |
1557 | strbuf_setlen(sb, ch + 1 - sb->buf); | |
1558 | c->flush_type = flush_left; | |
1559 | } | |
1560 | ||
a7f01c6b NTND |
1561 | if (len > padding) { |
1562 | switch (c->truncate) { | |
1563 | case trunc_left: | |
1564 | strbuf_utf8_replace(&local_sb, | |
1565 | 0, len - (padding - 2), | |
1566 | ".."); | |
1567 | break; | |
1568 | case trunc_middle: | |
1569 | strbuf_utf8_replace(&local_sb, | |
1570 | padding / 2 - 1, | |
1571 | len - (padding - 2), | |
1572 | ".."); | |
1573 | break; | |
1574 | case trunc_right: | |
1575 | strbuf_utf8_replace(&local_sb, | |
1576 | padding - 2, len - (padding - 2), | |
1577 | ".."); | |
1578 | break; | |
1579 | case trunc_none: | |
1580 | break; | |
1581 | } | |
e992d1eb | 1582 | strbuf_addbuf(sb, &local_sb); |
a7f01c6b | 1583 | } else { |
81dc898d | 1584 | size_t sb_len = sb->len, offset = 0; |
a5752342 NTND |
1585 | if (c->flush_type == flush_left) |
1586 | offset = padding - len; | |
1587 | else if (c->flush_type == flush_both) | |
1588 | offset = (padding - len) / 2; | |
1589 | /* | |
1590 | * we calculate padding in columns, now | |
1591 | * convert it back to chars | |
1592 | */ | |
1593 | padding = padding - len + local_sb.len; | |
415792ed | 1594 | strbuf_addchars(sb, ' ', padding); |
a5752342 NTND |
1595 | memcpy(sb->buf + sb_len + offset, local_sb.buf, |
1596 | local_sb.len); | |
1597 | } | |
1598 | strbuf_release(&local_sb); | |
1599 | c->flush_type = no_flush; | |
1600 | return total_consumed; | |
1601 | } | |
1602 | ||
7e77df39 NTND |
1603 | static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ |
1604 | const char *placeholder, | |
9fa708da JH |
1605 | void *context) |
1606 | { | |
81dc898d | 1607 | size_t consumed, orig_len; |
9fa708da JH |
1608 | enum { |
1609 | NO_MAGIC, | |
1610 | ADD_LF_BEFORE_NON_EMPTY, | |
1611 | DEL_LF_BEFORE_EMPTY, | |
223a923c | 1612 | ADD_SP_BEFORE_NON_EMPTY |
9fa708da JH |
1613 | } magic = NO_MAGIC; |
1614 | ||
1615 | switch (placeholder[0]) { | |
1616 | case '-': | |
1617 | magic = DEL_LF_BEFORE_EMPTY; | |
1618 | break; | |
1619 | case '+': | |
1620 | magic = ADD_LF_BEFORE_NON_EMPTY; | |
1621 | break; | |
7b88176e MG |
1622 | case ' ': |
1623 | magic = ADD_SP_BEFORE_NON_EMPTY; | |
1624 | break; | |
9fa708da JH |
1625 | default: |
1626 | break; | |
1627 | } | |
1de69c0c | 1628 | if (magic != NO_MAGIC) { |
9fa708da JH |
1629 | placeholder++; |
1630 | ||
1de69c0c PS |
1631 | switch (placeholder[0]) { |
1632 | case 'w': | |
1633 | /* | |
1634 | * `%+w()` cannot ever expand to a non-empty string, | |
1635 | * and it potentially changes the layout of preceding | |
1636 | * contents. We're thus not able to handle the magic in | |
1637 | * this combination and refuse the pattern. | |
1638 | */ | |
1639 | return 0; | |
1640 | }; | |
1641 | } | |
1642 | ||
9fa708da | 1643 | orig_len = sb->len; |
a5752342 NTND |
1644 | if (((struct format_commit_context *)context)->flush_type != no_flush) |
1645 | consumed = format_and_pad_commit(sb, placeholder, context); | |
1646 | else | |
1647 | consumed = format_commit_one(sb, placeholder, context); | |
9fa708da JH |
1648 | if (magic == NO_MAGIC) |
1649 | return consumed; | |
1650 | ||
1651 | if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { | |
1652 | while (sb->len && sb->buf[sb->len - 1] == '\n') | |
1653 | strbuf_setlen(sb, sb->len - 1); | |
7b88176e MG |
1654 | } else if (orig_len != sb->len) { |
1655 | if (magic == ADD_LF_BEFORE_NON_EMPTY) | |
a91cc7fa | 1656 | strbuf_insertstr(sb, orig_len, "\n"); |
7b88176e | 1657 | else if (magic == ADD_SP_BEFORE_NON_EMPTY) |
a91cc7fa | 1658 | strbuf_insertstr(sb, orig_len, " "); |
9fa708da JH |
1659 | } |
1660 | return consumed + 1; | |
1661 | } | |
1662 | ||
5b163603 JG |
1663 | static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
1664 | void *context) | |
1665 | { | |
1666 | struct userformat_want *w = context; | |
1667 | ||
7b88176e | 1668 | if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
5b163603 JG |
1669 | placeholder++; |
1670 | ||
1671 | switch (*placeholder) { | |
1672 | case 'N': | |
1673 | w->notes = 1; | |
1674 | break; | |
ad6f028f IT |
1675 | case 'S': |
1676 | w->source = 1; | |
1677 | break; | |
5b163603 JG |
1678 | } |
1679 | return 0; | |
1680 | } | |
1681 | ||
1682 | void userformat_find_requirements(const char *fmt, struct userformat_want *w) | |
1683 | { | |
1684 | struct strbuf dummy = STRBUF_INIT; | |
1685 | ||
1686 | if (!fmt) { | |
1687 | if (!user_format) | |
1688 | return; | |
1689 | fmt = user_format; | |
1690 | } | |
a6253d10 | 1691 | strbuf_expand(&dummy, fmt, userformat_want_item, w); |
5b163603 JG |
1692 | strbuf_release(&dummy); |
1693 | } | |
1694 | ||
f54fbf5e SB |
1695 | void repo_format_commit_message(struct repository *r, |
1696 | const struct commit *commit, | |
1697 | const char *format, struct strbuf *sb, | |
1698 | const struct pretty_print_context *pretty_ctx) | |
cde75e59 | 1699 | { |
3e8ed3b9 DL |
1700 | struct format_commit_context context = { |
1701 | .commit = commit, | |
1702 | .pretty_ctx = pretty_ctx, | |
1703 | .wrap_start = sb->len | |
1704 | }; | |
177b29dc | 1705 | const char *output_enc = pretty_ctx->output_encoding; |
7e77df39 | 1706 | const char *utf8 = "UTF-8"; |
f29d5958 | 1707 | |
7d509878 AS |
1708 | /* |
1709 | * convert a commit message to UTF-8 first | |
1710 | * as far as 'format_commit_item' assumes it in UTF-8 | |
1711 | */ | |
f54fbf5e SB |
1712 | context.message = repo_logmsg_reencode(r, commit, |
1713 | &context.commit_encoding, | |
1714 | utf8); | |
177b29dc | 1715 | |
c3a670de | 1716 | strbuf_expand(sb, format, format_commit_item, &context); |
02edd56b | 1717 | rewrap_message_tail(sb, &context, 0, 0, 0); |
177b29dc | 1718 | |
7d509878 | 1719 | /* then convert a commit message to an actual output encoding */ |
7e77df39 NTND |
1720 | if (output_enc) { |
1721 | if (same_encoding(utf8, output_enc)) | |
1722 | output_enc = NULL; | |
1723 | } else { | |
1724 | if (context.commit_encoding && | |
1725 | !same_encoding(context.commit_encoding, utf8)) | |
1726 | output_enc = context.commit_encoding; | |
1727 | } | |
1728 | ||
1729 | if (output_enc) { | |
c7d017d7 | 1730 | size_t outsz; |
7e77df39 NTND |
1731 | char *out = reencode_string_len(sb->buf, sb->len, |
1732 | output_enc, utf8, &outsz); | |
1733 | if (out) | |
1734 | strbuf_attach(sb, out, outsz, outsz + 1); | |
1735 | } | |
1736 | ||
0940a76d | 1737 | free(context.commit_encoding); |
f54fbf5e | 1738 | repo_unuse_commit_buffer(r, commit, context.message); |
93fc05eb JS |
1739 | } |
1740 | ||
10f2fbff | 1741 | static void pp_header(struct pretty_print_context *pp, |
93fc05eb JS |
1742 | const char *encoding, |
1743 | const struct commit *commit, | |
1744 | const char **msg_p, | |
1745 | struct strbuf *sb) | |
1746 | { | |
1747 | int parents_shown = 0; | |
1748 | ||
1749 | for (;;) { | |
e3f1da98 | 1750 | const char *name, *line = *msg_p; |
93fc05eb JS |
1751 | int linelen = get_one_line(*msg_p); |
1752 | ||
1753 | if (!linelen) | |
1754 | return; | |
1755 | *msg_p += linelen; | |
1756 | ||
1757 | if (linelen == 1) | |
1758 | /* End of header */ | |
1759 | return; | |
1760 | ||
6bf13944 | 1761 | if (pp->fmt == CMIT_FMT_RAW) { |
93fc05eb JS |
1762 | strbuf_add(sb, line, linelen); |
1763 | continue; | |
1764 | } | |
1765 | ||
59556548 | 1766 | if (starts_with(line, "parent ")) { |
580f0980 | 1767 | if (linelen != the_hash_algo->hexsz + 8) |
93fc05eb JS |
1768 | die("bad parent line in commit"); |
1769 | continue; | |
1770 | } | |
1771 | ||
1772 | if (!parents_shown) { | |
4bbaa1eb | 1773 | unsigned num = commit_list_count(commit->parents); |
93fc05eb | 1774 | /* with enough slop */ |
580f0980 | 1775 | strbuf_grow(sb, num * (GIT_MAX_HEXSZ + 10) + 20); |
6bf13944 | 1776 | add_merge_info(pp, sb, commit); |
93fc05eb JS |
1777 | parents_shown = 1; |
1778 | } | |
1779 | ||
1780 | /* | |
1781 | * MEDIUM == DEFAULT shows only author with dates. | |
1782 | * FULL shows both authors but not dates. | |
1783 | * FULLER shows both authors and dates. | |
1784 | */ | |
e3f1da98 | 1785 | if (skip_prefix(line, "author ", &name)) { |
93fc05eb | 1786 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1787 | pp_user_info(pp, "Author", sb, name, encoding); |
93fc05eb | 1788 | } |
e3f1da98 | 1789 | if (skip_prefix(line, "committer ", &name) && |
6bf13944 | 1790 | (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
93fc05eb | 1791 | strbuf_grow(sb, linelen + 80); |
e3f1da98 | 1792 | pp_user_info(pp, "Commit", sb, name, encoding); |
93fc05eb JS |
1793 | } |
1794 | } | |
1795 | } | |
1796 | ||
10f2fbff | 1797 | void pp_title_line(struct pretty_print_context *pp, |
b02bd65f DB |
1798 | const char **msg_p, |
1799 | struct strbuf *sb, | |
b02bd65f | 1800 | const char *encoding, |
267123b4 | 1801 | int need_8bit_cte) |
93fc05eb | 1802 | { |
41dd00ba | 1803 | static const int max_length = 78; /* per rfc2047 */ |
93fc05eb JS |
1804 | struct strbuf title; |
1805 | ||
1806 | strbuf_init(&title, 80); | |
9553d2b2 JK |
1807 | *msg_p = format_subject(&title, *msg_p, |
1808 | pp->preserve_subject ? "\n" : " "); | |
93fc05eb JS |
1809 | |
1810 | strbuf_grow(sb, title.len + 1024); | |
6d167fd7 RS |
1811 | if (pp->print_email_subject) { |
1812 | if (pp->rev) | |
1813 | fmt_output_email_subject(sb, pp->rev); | |
19d097e3 EB |
1814 | if (pp->encode_email_headers && |
1815 | needs_rfc2047_encoding(title.buf, title.len)) | |
41dd00ba JS |
1816 | add_rfc2047(sb, title.buf, title.len, |
1817 | encoding, RFC2047_SUBJECT); | |
1818 | else | |
1819 | strbuf_add_wrapped_bytes(sb, title.buf, title.len, | |
1820 | -last_line_length(sb), 1, max_length); | |
93fc05eb JS |
1821 | } else { |
1822 | strbuf_addbuf(sb, &title); | |
1823 | } | |
1824 | strbuf_addch(sb, '\n'); | |
1825 | ||
a9080475 JK |
1826 | if (need_8bit_cte == 0) { |
1827 | int i; | |
1828 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1829 | if (has_non_ascii(pp->in_body_headers.items[i].string)) { | |
1830 | need_8bit_cte = 1; | |
1831 | break; | |
1832 | } | |
1833 | } | |
1834 | } | |
1835 | ||
6bf4f1b4 | 1836 | if (need_8bit_cte > 0) { |
93fc05eb JS |
1837 | const char *header_fmt = |
1838 | "MIME-Version: 1.0\n" | |
1839 | "Content-Type: text/plain; charset=%s\n" | |
1840 | "Content-Transfer-Encoding: 8bit\n"; | |
1841 | strbuf_addf(sb, header_fmt, encoding); | |
1842 | } | |
6bf13944 JK |
1843 | if (pp->after_subject) { |
1844 | strbuf_addstr(sb, pp->after_subject); | |
93fc05eb | 1845 | } |
9f23e040 | 1846 | if (cmit_fmt_is_mail(pp->fmt)) { |
93fc05eb JS |
1847 | strbuf_addch(sb, '\n'); |
1848 | } | |
a9080475 JK |
1849 | |
1850 | if (pp->in_body_headers.nr) { | |
1851 | int i; | |
1852 | for (i = 0; i < pp->in_body_headers.nr; i++) { | |
1853 | strbuf_addstr(sb, pp->in_body_headers.items[i].string); | |
1854 | free(pp->in_body_headers.items[i].string); | |
1855 | } | |
1856 | string_list_clear(&pp->in_body_headers, 0); | |
1857 | strbuf_addch(sb, '\n'); | |
1858 | } | |
1859 | ||
93fc05eb JS |
1860 | strbuf_release(&title); |
1861 | } | |
1862 | ||
7cc13c71 LT |
1863 | static int pp_utf8_width(const char *start, const char *end) |
1864 | { | |
1865 | int width = 0; | |
1866 | size_t remain = end - start; | |
1867 | ||
1868 | while (remain) { | |
1869 | int n = utf8_width(&start, &remain); | |
1870 | if (n < 0 || !start) | |
1871 | return -1; | |
1872 | width += n; | |
1873 | } | |
1874 | return width; | |
1875 | } | |
1876 | ||
fe37a9c5 | 1877 | static void strbuf_add_tabexpand(struct strbuf *sb, int tabwidth, |
7cc13c71 LT |
1878 | const char *line, int linelen) |
1879 | { | |
1880 | const char *tab; | |
1881 | ||
1882 | while ((tab = memchr(line, '\t', linelen)) != NULL) { | |
1883 | int width = pp_utf8_width(line, tab); | |
1884 | ||
1885 | /* | |
1886 | * If it wasn't well-formed utf8, or it | |
1887 | * had characters with badly defined | |
1888 | * width (control characters etc), just | |
1889 | * give up on trying to align things. | |
1890 | */ | |
1891 | if (width < 0) | |
1892 | break; | |
1893 | ||
1894 | /* Output the data .. */ | |
1895 | strbuf_add(sb, line, tab - line); | |
1896 | ||
1897 | /* .. and the de-tabified tab */ | |
fe37a9c5 | 1898 | strbuf_addchars(sb, ' ', tabwidth - (width % tabwidth)); |
7cc13c71 LT |
1899 | |
1900 | /* Skip over the printed part .. */ | |
1901 | linelen -= tab + 1 - line; | |
1902 | line = tab + 1; | |
1903 | } | |
1904 | ||
1905 | /* | |
1906 | * Print out everything after the last tab without | |
1907 | * worrying about width - there's nothing more to | |
1908 | * align. | |
1909 | */ | |
1910 | strbuf_add(sb, line, linelen); | |
1911 | } | |
1912 | ||
1913 | /* | |
1914 | * pp_handle_indent() prints out the intendation, and | |
1915 | * the whole line (without the final newline), after | |
1916 | * de-tabifying. | |
1917 | */ | |
1918 | static void pp_handle_indent(struct pretty_print_context *pp, | |
1919 | struct strbuf *sb, int indent, | |
1920 | const char *line, int linelen) | |
1921 | { | |
1922 | strbuf_addchars(sb, ' ', indent); | |
1923 | if (pp->expand_tabs_in_log) | |
fe37a9c5 | 1924 | strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, line, linelen); |
7cc13c71 LT |
1925 | else |
1926 | strbuf_add(sb, line, linelen); | |
1927 | } | |
1928 | ||
9f23e040 EW |
1929 | static int is_mboxrd_from(const char *line, int len) |
1930 | { | |
1931 | /* | |
1932 | * a line matching /^From $/ here would only have len == 4 | |
1933 | * at this point because is_empty_line would've trimmed all | |
1934 | * trailing space | |
1935 | */ | |
1936 | return len > 4 && starts_with(line + strspn(line, ">"), "From "); | |
1937 | } | |
1938 | ||
10f2fbff | 1939 | void pp_remainder(struct pretty_print_context *pp, |
b02bd65f DB |
1940 | const char **msg_p, |
1941 | struct strbuf *sb, | |
1942 | int indent) | |
93fc05eb JS |
1943 | { |
1944 | int first = 1; | |
1945 | for (;;) { | |
1946 | const char *line = *msg_p; | |
1947 | int linelen = get_one_line(line); | |
1948 | *msg_p += linelen; | |
1949 | ||
1950 | if (!linelen) | |
1951 | break; | |
1952 | ||
77356122 | 1953 | if (is_blank_line(line, &linelen)) { |
93fc05eb JS |
1954 | if (first) |
1955 | continue; | |
6bf13944 | 1956 | if (pp->fmt == CMIT_FMT_SHORT) |
93fc05eb JS |
1957 | break; |
1958 | } | |
1959 | first = 0; | |
1960 | ||
1961 | strbuf_grow(sb, linelen + indent + 20); | |
415792ed | 1962 | if (indent) |
7cc13c71 | 1963 | pp_handle_indent(pp, sb, indent, line, linelen); |
0893eec8 | 1964 | else if (pp->expand_tabs_in_log) |
fe37a9c5 JH |
1965 | strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, |
1966 | line, linelen); | |
9f23e040 EW |
1967 | else { |
1968 | if (pp->fmt == CMIT_FMT_MBOXRD && | |
1969 | is_mboxrd_from(line, linelen)) | |
1970 | strbuf_addch(sb, '>'); | |
1971 | ||
7cc13c71 | 1972 | strbuf_add(sb, line, linelen); |
9f23e040 | 1973 | } |
93fc05eb JS |
1974 | strbuf_addch(sb, '\n'); |
1975 | } | |
1976 | } | |
1977 | ||
10f2fbff | 1978 | void pretty_print_commit(struct pretty_print_context *pp, |
6bf13944 JK |
1979 | const struct commit *commit, |
1980 | struct strbuf *sb) | |
93fc05eb JS |
1981 | { |
1982 | unsigned long beginning_of_body; | |
1983 | int indent = 4; | |
dd0d388c | 1984 | const char *msg; |
b000c59b | 1985 | const char *reencoded; |
93fc05eb | 1986 | const char *encoding; |
6bf13944 | 1987 | int need_8bit_cte = pp->need_8bit_cte; |
93fc05eb | 1988 | |
6bf13944 JK |
1989 | if (pp->fmt == CMIT_FMT_USERFORMAT) { |
1990 | format_commit_message(commit, user_format, sb, pp); | |
93fc05eb JS |
1991 | return; |
1992 | } | |
1993 | ||
e297cf5a | 1994 | encoding = get_log_output_encoding(); |
5a10d236 | 1995 | msg = reencoded = logmsg_reencode(commit, NULL, encoding); |
93fc05eb | 1996 | |
9f23e040 | 1997 | if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) |
93fc05eb JS |
1998 | indent = 0; |
1999 | ||
6bf4f1b4 JH |
2000 | /* |
2001 | * We need to check and emit Content-type: to mark it | |
2002 | * as 8-bit if we haven't done so. | |
93fc05eb | 2003 | */ |
9f23e040 | 2004 | if (cmit_fmt_is_mail(pp->fmt) && need_8bit_cte == 0) { |
93fc05eb JS |
2005 | int i, ch, in_body; |
2006 | ||
2007 | for (in_body = i = 0; (ch = msg[i]); i++) { | |
2008 | if (!in_body) { | |
2009 | /* author could be non 7-bit ASCII but | |
2010 | * the log may be so; skip over the | |
2011 | * header part first. | |
2012 | */ | |
2013 | if (ch == '\n' && msg[i+1] == '\n') | |
2014 | in_body = 1; | |
2015 | } | |
2016 | else if (non_ascii(ch)) { | |
6bf4f1b4 | 2017 | need_8bit_cte = 1; |
93fc05eb JS |
2018 | break; |
2019 | } | |
2020 | } | |
2021 | } | |
2022 | ||
6bf13944 | 2023 | pp_header(pp, encoding, commit, &msg, sb); |
6d167fd7 | 2024 | if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) { |
93fc05eb JS |
2025 | strbuf_addch(sb, '\n'); |
2026 | } | |
2027 | ||
2028 | /* Skip excess blank lines at the beginning of body, if any... */ | |
77356122 | 2029 | msg = skip_blank_lines(msg); |
93fc05eb JS |
2030 | |
2031 | /* These formats treat the title line specially. */ | |
9f23e040 | 2032 | if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) |
6bf13944 | 2033 | pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); |
93fc05eb JS |
2034 | |
2035 | beginning_of_body = sb->len; | |
6bf13944 JK |
2036 | if (pp->fmt != CMIT_FMT_ONELINE) |
2037 | pp_remainder(pp, &msg, sb, indent); | |
93fc05eb JS |
2038 | strbuf_rtrim(sb); |
2039 | ||
2040 | /* Make sure there is an EOLN for the non-oneline case */ | |
6bf13944 | 2041 | if (pp->fmt != CMIT_FMT_ONELINE) |
93fc05eb JS |
2042 | strbuf_addch(sb, '\n'); |
2043 | ||
2044 | /* | |
2045 | * The caller may append additional body text in e-mail | |
2046 | * format. Make sure we did not strip the blank line | |
2047 | * between the header and the body. | |
2048 | */ | |
9f23e040 | 2049 | if (cmit_fmt_is_mail(pp->fmt) && sb->len <= beginning_of_body) |
93fc05eb | 2050 | strbuf_addch(sb, '\n'); |
a97a7468 | 2051 | |
b66103c3 | 2052 | unuse_commit_buffer(commit, reencoded); |
93fc05eb | 2053 | } |
8b8a5374 JK |
2054 | |
2055 | void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, | |
2056 | struct strbuf *sb) | |
2057 | { | |
2058 | struct pretty_print_context pp = {0}; | |
6bf13944 JK |
2059 | pp.fmt = fmt; |
2060 | pretty_print_commit(&pp, commit, sb); | |
8b8a5374 | 2061 | } |