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