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Commit | Line | Data |
---|---|---|
6aa33f40 LT |
1 | /* |
2 | * ident.c | |
3 | * | |
4 | * create git identifier lines of the form "name <email> date" | |
5 | * | |
6 | * Copyright (C) 2005 Linus Torvalds | |
7 | */ | |
b5fa6081 EN |
8 | #include "git-compat-util.h" |
9 | #include "ident.h" | |
b2141fc1 | 10 | #include "config.h" |
88c7b4c3 | 11 | #include "date.h" |
b5fa6081 | 12 | #include "gettext.h" |
dc88e349 | 13 | #include "mailmap.h" |
b5fa6081 | 14 | #include "strbuf.h" |
6aa33f40 | 15 | |
8587ead7 JK |
16 | static struct strbuf git_default_name = STRBUF_INIT; |
17 | static struct strbuf git_default_email = STRBUF_INIT; | |
c33ddc2e | 18 | static struct strbuf git_default_date = STRBUF_INIT; |
39ab4d09 WH |
19 | static struct strbuf git_author_name = STRBUF_INIT; |
20 | static struct strbuf git_author_email = STRBUF_INIT; | |
21 | static struct strbuf git_committer_name = STRBUF_INIT; | |
22 | static struct strbuf git_committer_email = STRBUF_INIT; | |
19ce497c | 23 | static int default_email_is_bogus; |
92bcbb9b | 24 | static int default_name_is_bogus; |
45280230 | 25 | |
4d5c2956 DA |
26 | static int ident_use_config_only; |
27 | ||
45280230 JK |
28 | #define IDENT_NAME_GIVEN 01 |
29 | #define IDENT_MAIL_GIVEN 02 | |
30 | #define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN|IDENT_MAIL_GIVEN) | |
d6991cee JK |
31 | static int committer_ident_explicitly_given; |
32 | static int author_ident_explicitly_given; | |
4d5c2956 | 33 | static int ident_config_given; |
6aa33f40 | 34 | |
590e081d RG |
35 | #ifdef NO_GECOS_IN_PWENT |
36 | #define get_gecos(ignored) "&" | |
37 | #else | |
38 | #define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos) | |
39 | #endif | |
40 | ||
92bcbb9b | 41 | static struct passwd *xgetpwuid_self(int *is_bogus) |
e850194c JK |
42 | { |
43 | struct passwd *pw; | |
44 | ||
45 | errno = 0; | |
46 | pw = getpwuid(getuid()); | |
92bcbb9b JK |
47 | if (!pw) { |
48 | static struct passwd fallback; | |
49 | fallback.pw_name = "unknown"; | |
50 | #ifndef NO_GECOS_IN_PWENT | |
51 | fallback.pw_gecos = "Unknown"; | |
52 | #endif | |
53 | pw = &fallback; | |
54 | if (is_bogus) | |
55 | *is_bogus = 1; | |
56 | } | |
e850194c JK |
57 | return pw; |
58 | } | |
59 | ||
8587ead7 | 60 | static void copy_gecos(const struct passwd *w, struct strbuf *name) |
e9bacb4f | 61 | { |
8587ead7 | 62 | char *src; |
e9bacb4f JH |
63 | |
64 | /* Traditionally GECOS field had office phone numbers etc, separated | |
65 | * with commas. Also & stands for capitalized form of the login name. | |
66 | */ | |
67 | ||
8587ead7 | 68 | for (src = get_gecos(w); *src && *src != ','; src++) { |
e9bacb4f | 69 | int ch = *src; |
8587ead7 JK |
70 | if (ch != '&') |
71 | strbuf_addch(name, ch); | |
72 | else { | |
e9bacb4f | 73 | /* Sorry, Mr. McDonald... */ |
8587ead7 JK |
74 | strbuf_addch(name, toupper(*w->pw_name)); |
75 | strbuf_addstr(name, w->pw_name + 1); | |
e9bacb4f JH |
76 | } |
77 | } | |
e9bacb4f JH |
78 | } |
79 | ||
8587ead7 | 80 | static int add_mailname_host(struct strbuf *buf) |
8a55caa8 JN |
81 | { |
82 | FILE *mailname; | |
dc342a25 | 83 | struct strbuf mailnamebuf = STRBUF_INIT; |
8a55caa8 | 84 | |
e9d983f1 NTND |
85 | mailname = fopen_or_warn("/etc/mailname", "r"); |
86 | if (!mailname) | |
8a55caa8 | 87 | return -1; |
e9d983f1 | 88 | |
1f3b1efd | 89 | if (strbuf_getline(&mailnamebuf, mailname) == EOF) { |
8a55caa8 | 90 | if (ferror(mailname)) |
a26f4ed6 | 91 | warning_errno("cannot read /etc/mailname"); |
dc342a25 | 92 | strbuf_release(&mailnamebuf); |
8a55caa8 JN |
93 | fclose(mailname); |
94 | return -1; | |
95 | } | |
96 | /* success! */ | |
dc342a25 JN |
97 | strbuf_addbuf(buf, &mailnamebuf); |
98 | strbuf_release(&mailnamebuf); | |
8a55caa8 JN |
99 | fclose(mailname); |
100 | return 0; | |
101 | } | |
102 | ||
00bce77f EP |
103 | static int canonical_name(const char *host, struct strbuf *out) |
104 | { | |
105 | int status = -1; | |
106 | ||
107 | #ifndef NO_IPV6 | |
108 | struct addrinfo hints, *ai; | |
109 | memset (&hints, '\0', sizeof (hints)); | |
110 | hints.ai_flags = AI_CANONNAME; | |
111 | if (!getaddrinfo(host, NULL, &hints, &ai)) { | |
c375a7ef | 112 | if (ai && ai->ai_canonname && strchr(ai->ai_canonname, '.')) { |
00bce77f EP |
113 | strbuf_addstr(out, ai->ai_canonname); |
114 | status = 0; | |
115 | } | |
116 | freeaddrinfo(ai); | |
117 | } | |
118 | #else | |
58d29ece | 119 | struct hostent *he = gethostbyname(host); |
00bce77f EP |
120 | if (he && strchr(he->h_name, '.')) { |
121 | strbuf_addstr(out, he->h_name); | |
122 | status = 0; | |
123 | } | |
124 | #endif /* NO_IPV6 */ | |
125 | ||
126 | return status; | |
127 | } | |
128 | ||
19ce497c | 129 | static void add_domainname(struct strbuf *out, int *is_bogus) |
8a55caa8 | 130 | { |
da25bdb7 | 131 | char buf[HOST_NAME_MAX + 1]; |
8a55caa8 | 132 | |
5781a9a2 | 133 | if (xgethostname(buf, sizeof(buf))) { |
a26f4ed6 | 134 | warning_errno("cannot get host name"); |
8587ead7 | 135 | strbuf_addstr(out, "(none)"); |
19ce497c | 136 | *is_bogus = 1; |
8a55caa8 JN |
137 | return; |
138 | } | |
8587ead7 | 139 | if (strchr(buf, '.')) |
f8254d32 | 140 | strbuf_addstr(out, buf); |
5498c57c | 141 | else if (canonical_name(buf, out) < 0) { |
f8254d32 | 142 | strbuf_addf(out, "%s.(none)", buf); |
19ce497c JK |
143 | *is_bogus = 1; |
144 | } | |
8a55caa8 JN |
145 | } |
146 | ||
19ce497c JK |
147 | static void copy_email(const struct passwd *pw, struct strbuf *email, |
148 | int *is_bogus) | |
6aa33f40 | 149 | { |
01754769 JH |
150 | /* |
151 | * Make up a fake email address | |
152 | * (name + '@' + hostname [+ '.' + domainname]) | |
153 | */ | |
8587ead7 JK |
154 | strbuf_addstr(email, pw->pw_name); |
155 | strbuf_addch(email, '@'); | |
156 | ||
157 | if (!add_mailname_host(email)) | |
8a55caa8 | 158 | return; /* read from "/etc/mailname" (Debian) */ |
19ce497c | 159 | add_domainname(email, is_bogus); |
01754769 JH |
160 | } |
161 | ||
9830534e | 162 | const char *ident_default_name(void) |
01754769 | 163 | { |
94425552 | 164 | if (!(ident_config_given & IDENT_NAME_GIVEN) && !git_default_name.len) { |
92bcbb9b | 165 | copy_gecos(xgetpwuid_self(&default_name_is_bogus), &git_default_name); |
be641abd | 166 | strbuf_trim(&git_default_name); |
01754769 | 167 | } |
8587ead7 | 168 | return git_default_name.buf; |
bcb2b004 | 169 | } |
01754769 | 170 | |
bcb2b004 JK |
171 | const char *ident_default_email(void) |
172 | { | |
94425552 | 173 | if (!(ident_config_given & IDENT_MAIL_GIVEN) && !git_default_email.len) { |
46f74f00 MK |
174 | const char *email = getenv("EMAIL"); |
175 | ||
99178c83 | 176 | if (email && email[0]) { |
8587ead7 | 177 | strbuf_addstr(&git_default_email, email); |
d6991cee JK |
178 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; |
179 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
501afcb8 JS |
180 | } else if ((email = query_user_email()) && email[0]) { |
181 | strbuf_addstr(&git_default_email, email); | |
182 | free((char *)email); | |
2f705875 | 183 | } else |
92bcbb9b JK |
184 | copy_email(xgetpwuid_self(&default_email_is_bogus), |
185 | &git_default_email, &default_email_is_bogus); | |
be641abd | 186 | strbuf_trim(&git_default_email); |
01754769 | 187 | } |
8587ead7 | 188 | return git_default_email.buf; |
6aa33f40 LT |
189 | } |
190 | ||
dad148c3 | 191 | static const char *ident_default_date(void) |
6aa33f40 | 192 | { |
c33ddc2e JK |
193 | if (!git_default_date.len) |
194 | datestamp(&git_default_date); | |
195 | return git_default_date.buf; | |
6aa33f40 LT |
196 | } |
197 | ||
4d9c7e6f JK |
198 | void reset_ident_date(void) |
199 | { | |
200 | strbuf_reset(&git_default_date); | |
201 | } | |
202 | ||
6aa33f40 LT |
203 | static int crud(unsigned char c) |
204 | { | |
f64c81d4 AR |
205 | return c <= 32 || |
206 | c == '.' || | |
207 | c == ',' || | |
208 | c == ':' || | |
209 | c == ';' || | |
210 | c == '<' || | |
211 | c == '>' || | |
212 | c == '"' || | |
d404bf02 | 213 | c == '\\' || |
f64c81d4 | 214 | c == '\''; |
6aa33f40 LT |
215 | } |
216 | ||
13b9a24e JK |
217 | static int has_non_crud(const char *str) |
218 | { | |
219 | for (; *str; str++) { | |
220 | if (!crud(*str)) | |
221 | return 1; | |
222 | } | |
223 | return 0; | |
224 | } | |
225 | ||
6aa33f40 LT |
226 | /* |
227 | * Copy over a string to the destination, but avoid special | |
228 | * characters ('\n', '<' and '>') and remove crud at the end | |
229 | */ | |
c96f0c8d | 230 | static void strbuf_addstr_without_crud(struct strbuf *sb, const char *src) |
6aa33f40 | 231 | { |
b0732115 | 232 | size_t i, len; |
6aa33f40 LT |
233 | unsigned char c; |
234 | ||
235 | /* Remove crud from the beginning.. */ | |
236 | while ((c = *src) != 0) { | |
237 | if (!crud(c)) | |
238 | break; | |
239 | src++; | |
240 | } | |
241 | ||
242 | /* Remove crud from the end.. */ | |
243 | len = strlen(src); | |
244 | while (len > 0) { | |
245 | c = src[len-1]; | |
246 | if (!crud(c)) | |
247 | break; | |
248 | --len; | |
249 | } | |
250 | ||
251 | /* | |
252 | * Copy the rest to the buffer, but avoid the special | |
82f9d58a | 253 | * characters '\n' '<' and '>' that act as delimiters on |
c96f0c8d JK |
254 | * an identification line. We can only remove crud, never add it, |
255 | * so 'len' is our maximum. | |
6aa33f40 | 256 | */ |
c96f0c8d | 257 | strbuf_grow(sb, len); |
6aa33f40 LT |
258 | for (i = 0; i < len; i++) { |
259 | c = *src++; | |
260 | switch (c) { | |
261 | case '\n': case '<': case '>': | |
262 | continue; | |
263 | } | |
c96f0c8d | 264 | sb->buf[sb->len++] = c; |
6aa33f40 | 265 | } |
c96f0c8d | 266 | sb->buf[sb->len] = '\0'; |
6aa33f40 LT |
267 | } |
268 | ||
4b340cfa JH |
269 | /* |
270 | * Reverse of fmt_ident(); given an ident line, split the fields | |
271 | * to allow the caller to parse it. | |
272 | * Signal a success by returning 0, but date/tz fields of the result | |
273 | * can still be NULL if the input line only has the name/email part | |
274 | * (e.g. reading from a reflog entry). | |
275 | */ | |
276 | int split_ident_line(struct ident_split *split, const char *line, int len) | |
277 | { | |
278 | const char *cp; | |
279 | size_t span; | |
280 | int status = -1; | |
281 | ||
282 | memset(split, 0, sizeof(*split)); | |
283 | ||
284 | split->name_begin = line; | |
285 | for (cp = line; *cp && cp < line + len; cp++) | |
286 | if (*cp == '<') { | |
287 | split->mail_begin = cp + 1; | |
288 | break; | |
289 | } | |
290 | if (!split->mail_begin) | |
291 | return status; | |
292 | ||
d9955fd6 | 293 | for (cp = split->mail_begin - 2; line <= cp; cp--) |
4b340cfa JH |
294 | if (!isspace(*cp)) { |
295 | split->name_end = cp + 1; | |
296 | break; | |
297 | } | |
e27ddb64 JH |
298 | if (!split->name_end) { |
299 | /* no human readable name */ | |
300 | split->name_end = split->name_begin; | |
301 | } | |
4b340cfa JH |
302 | |
303 | for (cp = split->mail_begin; cp < line + len; cp++) | |
304 | if (*cp == '>') { | |
305 | split->mail_end = cp; | |
306 | break; | |
307 | } | |
308 | if (!split->mail_end) | |
309 | return status; | |
310 | ||
03818a4a JK |
311 | /* |
312 | * Look from the end-of-line to find the trailing ">" of the mail | |
313 | * address, even though we should already know it as split->mail_end. | |
314 | * This can help in cases of broken idents with an extra ">" somewhere | |
315 | * in the email address. Note that we are assuming the timestamp will | |
316 | * never have a ">" in it. | |
317 | * | |
318 | * Note that we will always find some ">" before going off the front of | |
319 | * the string, because will always hit the split->mail_end closing | |
320 | * bracket. | |
321 | */ | |
322 | for (cp = line + len - 1; *cp != '>'; cp--) | |
323 | ; | |
324 | ||
325 | for (cp = cp + 1; cp < line + len && isspace(*cp); cp++) | |
4b340cfa JH |
326 | ; |
327 | if (line + len <= cp) | |
328 | goto person_only; | |
329 | split->date_begin = cp; | |
330 | span = strspn(cp, "0123456789"); | |
331 | if (!span) | |
332 | goto person_only; | |
333 | split->date_end = split->date_begin + span; | |
334 | for (cp = split->date_end; cp < line + len && isspace(*cp); cp++) | |
335 | ; | |
336 | if (line + len <= cp || (*cp != '+' && *cp != '-')) | |
337 | goto person_only; | |
338 | split->tz_begin = cp; | |
339 | span = strspn(cp + 1, "0123456789"); | |
340 | if (!span) | |
341 | goto person_only; | |
342 | split->tz_end = split->tz_begin + 1 + span; | |
343 | return 0; | |
344 | ||
345 | person_only: | |
346 | split->date_begin = NULL; | |
347 | split->date_end = NULL; | |
348 | split->tz_begin = NULL; | |
349 | split->tz_end = NULL; | |
350 | return 0; | |
351 | } | |
352 | ||
dc88e349 SA |
353 | /* |
354 | * Returns the difference between the new and old length of the ident line. | |
355 | */ | |
356 | static ssize_t rewrite_ident_line(const char *person, size_t len, | |
357 | struct strbuf *buf, | |
358 | struct string_list *mailmap) | |
359 | { | |
360 | size_t namelen, maillen; | |
361 | const char *name; | |
362 | const char *mail; | |
363 | struct ident_split ident; | |
364 | ||
365 | if (split_ident_line(&ident, person, len)) | |
366 | return 0; | |
367 | ||
368 | mail = ident.mail_begin; | |
369 | maillen = ident.mail_end - ident.mail_begin; | |
370 | name = ident.name_begin; | |
371 | namelen = ident.name_end - ident.name_begin; | |
372 | ||
373 | if (map_user(mailmap, &mail, &maillen, &name, &namelen)) { | |
374 | struct strbuf namemail = STRBUF_INIT; | |
375 | size_t newlen; | |
376 | ||
377 | strbuf_addf(&namemail, "%.*s <%.*s>", | |
378 | (int)namelen, name, (int)maillen, mail); | |
379 | ||
380 | strbuf_splice(buf, ident.name_begin - buf->buf, | |
381 | ident.mail_end - ident.name_begin + 1, | |
382 | namemail.buf, namemail.len); | |
383 | newlen = namemail.len; | |
384 | ||
385 | strbuf_release(&namemail); | |
386 | ||
387 | return newlen - (ident.mail_end - ident.name_begin); | |
388 | } | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
66a8a953 SA |
393 | void apply_mailmap_to_header(struct strbuf *buf, const char **header, |
394 | struct string_list *mailmap) | |
dc88e349 SA |
395 | { |
396 | size_t buf_offset = 0; | |
397 | ||
398 | if (!mailmap) | |
399 | return; | |
400 | ||
401 | for (;;) { | |
402 | const char *person, *line; | |
403 | size_t i; | |
404 | int found_header = 0; | |
405 | ||
406 | line = buf->buf + buf_offset; | |
407 | if (!*line || *line == '\n') | |
408 | return; /* End of headers */ | |
409 | ||
410 | for (i = 0; header[i]; i++) | |
411 | if (skip_prefix(line, header[i], &person)) { | |
412 | const char *endp = strchrnul(person, '\n'); | |
413 | found_header = 1; | |
414 | buf_offset += endp - line; | |
415 | buf_offset += rewrite_ident_line(person, endp - person, buf, mailmap); | |
416 | break; | |
417 | } | |
418 | ||
419 | if (!found_header) { | |
420 | buf_offset = strchrnul(line, '\n') - buf->buf; | |
421 | if (buf->buf[buf_offset] == '\n') | |
422 | buf_offset++; | |
423 | } | |
424 | } | |
425 | } | |
9ed104e5 JH |
426 | |
427 | static void ident_env_hint(enum want_ident whose_ident) | |
428 | { | |
429 | switch (whose_ident) { | |
430 | case WANT_AUTHOR_IDENT: | |
431 | fputs(_("Author identity unknown\n"), stderr); | |
432 | break; | |
433 | case WANT_COMMITTER_IDENT: | |
434 | fputs(_("Committer identity unknown\n"), stderr); | |
435 | break; | |
436 | default: | |
437 | break; | |
438 | } | |
439 | ||
440 | fputs(_("\n" | |
441 | "*** Please tell me who you are.\n" | |
442 | "\n" | |
443 | "Run\n" | |
444 | "\n" | |
445 | " git config --global user.email \"you@example.com\"\n" | |
446 | " git config --global user.name \"Your Name\"\n" | |
447 | "\n" | |
448 | "to set your account\'s default identity.\n" | |
449 | "Omit --global to set the identity only in this repository.\n" | |
450 | "\n"), stderr); | |
451 | } | |
749be728 | 452 | |
774751a8 | 453 | const char *fmt_ident(const char *name, const char *email, |
39ab4d09 | 454 | enum want_ident whose_ident, const char *date_str, int flag) |
6aa33f40 | 455 | { |
e8cbe211 PW |
456 | static int index; |
457 | static struct strbuf ident_pool[2] = { STRBUF_INIT, STRBUF_INIT }; | |
f9bc573f | 458 | int strict = (flag & IDENT_STRICT); |
359b27ad | 459 | int want_date = !(flag & IDENT_NO_DATE); |
c15e1987 | 460 | int want_name = !(flag & IDENT_NO_NAME); |
6aa33f40 | 461 | |
e8cbe211 PW |
462 | struct strbuf *ident = &ident_pool[index]; |
463 | index = (index + 1) % ARRAY_SIZE(ident_pool); | |
464 | ||
39ab4d09 WH |
465 | if (!email) { |
466 | if (whose_ident == WANT_AUTHOR_IDENT && git_author_email.len) | |
467 | email = git_author_email.buf; | |
468 | else if (whose_ident == WANT_COMMITTER_IDENT && git_committer_email.len) | |
469 | email = git_committer_email.buf; | |
470 | } | |
862e80a4 JK |
471 | if (!email) { |
472 | if (strict && ident_use_config_only | |
473 | && !(ident_config_given & IDENT_MAIL_GIVEN)) { | |
9ed104e5 | 474 | ident_env_hint(whose_ident); |
862e80a4 JK |
475 | die(_("no email was given and auto-detection is disabled")); |
476 | } | |
477 | email = ident_default_email(); | |
478 | if (strict && default_email_is_bogus) { | |
9ed104e5 | 479 | ident_env_hint(whose_ident); |
862e80a4 JK |
480 | die(_("unable to auto-detect email address (got '%s')"), email); |
481 | } | |
482 | } | |
483 | ||
59f92959 JK |
484 | if (want_name) { |
485 | int using_default = 0; | |
39ab4d09 WH |
486 | if (!name) { |
487 | if (whose_ident == WANT_AUTHOR_IDENT && git_author_name.len) | |
488 | name = git_author_name.buf; | |
489 | else if (whose_ident == WANT_COMMITTER_IDENT && | |
490 | git_committer_name.len) | |
491 | name = git_committer_name.buf; | |
492 | } | |
59f92959 | 493 | if (!name) { |
734c7789 | 494 | if (strict && ident_use_config_only |
d3c06c19 | 495 | && !(ident_config_given & IDENT_NAME_GIVEN)) { |
9ed104e5 | 496 | ident_env_hint(whose_ident); |
afb6c30b | 497 | die(_("no name was given and auto-detection is disabled")); |
d3c06c19 | 498 | } |
59f92959 JK |
499 | name = ident_default_name(); |
500 | using_default = 1; | |
501 | if (strict && default_name_is_bogus) { | |
9ed104e5 | 502 | ident_env_hint(whose_ident); |
afb6c30b | 503 | die(_("unable to auto-detect name (got '%s')"), name); |
59f92959 JK |
504 | } |
505 | } | |
506 | if (!*name) { | |
507 | struct passwd *pw; | |
508 | if (strict) { | |
509 | if (using_default) | |
9ed104e5 | 510 | ident_env_hint(whose_ident); |
afb6c30b | 511 | die(_("empty ident name (for <%s>) not allowed"), email); |
59f92959 JK |
512 | } |
513 | pw = xgetpwuid_self(NULL); | |
514 | name = pw->pw_name; | |
749be728 | 515 | } |
13b9a24e JK |
516 | if (strict && !has_non_crud(name)) |
517 | die(_("name consists only of disallowed characters: %s"), name); | |
92bcbb9b JK |
518 | } |
519 | ||
e8cbe211 | 520 | strbuf_reset(ident); |
c15e1987 | 521 | if (want_name) { |
e8cbe211 PW |
522 | strbuf_addstr_without_crud(ident, name); |
523 | strbuf_addstr(ident, " <"); | |
d9ccfe77 | 524 | } |
e8cbe211 | 525 | strbuf_addstr_without_crud(ident, email); |
c15e1987 | 526 | if (want_name) |
e8cbe211 | 527 | strbuf_addch(ident, '>'); |
359b27ad | 528 | if (want_date) { |
e8cbe211 | 529 | strbuf_addch(ident, ' '); |
c33ddc2e | 530 | if (date_str && date_str[0]) { |
e8cbe211 | 531 | if (parse_date(date_str, ident) < 0) |
afb6c30b | 532 | die(_("invalid date format: %s"), date_str); |
c33ddc2e JK |
533 | } |
534 | else | |
e8cbe211 | 535 | strbuf_addstr(ident, ident_default_date()); |
d9ccfe77 | 536 | } |
c33ddc2e | 537 | |
e8cbe211 | 538 | return ident->buf; |
6aa33f40 | 539 | } |
d289d136 | 540 | |
39ab4d09 | 541 | const char *fmt_name(enum want_ident whose_ident) |
d9ccfe77 | 542 | { |
39ab4d09 WH |
543 | char *name = NULL; |
544 | char *email = NULL; | |
545 | ||
546 | switch (whose_ident) { | |
547 | case WANT_BLANK_IDENT: | |
548 | break; | |
549 | case WANT_AUTHOR_IDENT: | |
550 | name = getenv("GIT_AUTHOR_NAME"); | |
551 | email = getenv("GIT_AUTHOR_EMAIL"); | |
552 | break; | |
553 | case WANT_COMMITTER_IDENT: | |
554 | name = getenv("GIT_COMMITTER_NAME"); | |
555 | email = getenv("GIT_COMMITTER_EMAIL"); | |
556 | break; | |
557 | } | |
558 | return fmt_ident(name, email, whose_ident, NULL, | |
559 | IDENT_STRICT | IDENT_NO_DATE); | |
d9ccfe77 JH |
560 | } |
561 | ||
774751a8 | 562 | const char *git_author_info(int flag) |
d289d136 | 563 | { |
d6991cee JK |
564 | if (getenv("GIT_AUTHOR_NAME")) |
565 | author_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
566 | if (getenv("GIT_AUTHOR_EMAIL")) | |
567 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
798123af | 568 | return fmt_ident(getenv("GIT_AUTHOR_NAME"), |
c7d77dab | 569 | getenv("GIT_AUTHOR_EMAIL"), |
39ab4d09 | 570 | WANT_AUTHOR_IDENT, |
749be728 | 571 | getenv("GIT_AUTHOR_DATE"), |
774751a8 | 572 | flag); |
d289d136 EB |
573 | } |
574 | ||
774751a8 | 575 | const char *git_committer_info(int flag) |
d289d136 | 576 | { |
91c38a21 | 577 | if (getenv("GIT_COMMITTER_NAME")) |
d6991cee | 578 | committer_ident_explicitly_given |= IDENT_NAME_GIVEN; |
91c38a21 | 579 | if (getenv("GIT_COMMITTER_EMAIL")) |
d6991cee | 580 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; |
798123af | 581 | return fmt_ident(getenv("GIT_COMMITTER_NAME"), |
c7d77dab | 582 | getenv("GIT_COMMITTER_EMAIL"), |
39ab4d09 | 583 | WANT_COMMITTER_IDENT, |
749be728 | 584 | getenv("GIT_COMMITTER_DATE"), |
774751a8 | 585 | flag); |
d289d136 | 586 | } |
5aeb3a3a | 587 | |
d6991cee | 588 | static int ident_is_sufficient(int user_ident_explicitly_given) |
5aeb3a3a JH |
589 | { |
590 | #ifndef WINDOWS | |
591 | return (user_ident_explicitly_given & IDENT_MAIL_GIVEN); | |
592 | #else | |
593 | return (user_ident_explicitly_given == IDENT_ALL_GIVEN); | |
594 | #endif | |
595 | } | |
9597921b | 596 | |
d6991cee JK |
597 | int committer_ident_sufficiently_given(void) |
598 | { | |
599 | return ident_is_sufficient(committer_ident_explicitly_given); | |
600 | } | |
601 | ||
602 | int author_ident_sufficiently_given(void) | |
603 | { | |
604 | return ident_is_sufficient(author_ident_explicitly_given); | |
605 | } | |
606 | ||
39ab4d09 | 607 | static int set_ident(const char *var, const char *value) |
9597921b | 608 | { |
39ab4d09 WH |
609 | if (!strcmp(var, "author.name")) { |
610 | if (!value) | |
611 | return config_error_nonbool(var); | |
612 | strbuf_reset(&git_author_name); | |
613 | strbuf_addstr(&git_author_name, value); | |
614 | author_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
615 | ident_config_given |= IDENT_NAME_GIVEN; | |
616 | return 0; | |
617 | } | |
618 | ||
619 | if (!strcmp(var, "author.email")) { | |
620 | if (!value) | |
621 | return config_error_nonbool(var); | |
622 | strbuf_reset(&git_author_email); | |
623 | strbuf_addstr(&git_author_email, value); | |
624 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
625 | ident_config_given |= IDENT_MAIL_GIVEN; | |
626 | return 0; | |
627 | } | |
628 | ||
629 | if (!strcmp(var, "committer.name")) { | |
630 | if (!value) | |
631 | return config_error_nonbool(var); | |
632 | strbuf_reset(&git_committer_name); | |
633 | strbuf_addstr(&git_committer_name, value); | |
634 | committer_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
635 | ident_config_given |= IDENT_NAME_GIVEN; | |
636 | return 0; | |
637 | } | |
638 | ||
639 | if (!strcmp(var, "committer.email")) { | |
640 | if (!value) | |
641 | return config_error_nonbool(var); | |
642 | strbuf_reset(&git_committer_email); | |
643 | strbuf_addstr(&git_committer_email, value); | |
644 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
645 | ident_config_given |= IDENT_MAIL_GIVEN; | |
4d5c2956 DA |
646 | return 0; |
647 | } | |
648 | ||
9597921b JK |
649 | if (!strcmp(var, "user.name")) { |
650 | if (!value) | |
651 | return config_error_nonbool(var); | |
8587ead7 JK |
652 | strbuf_reset(&git_default_name); |
653 | strbuf_addstr(&git_default_name, value); | |
d6991cee JK |
654 | committer_ident_explicitly_given |= IDENT_NAME_GIVEN; |
655 | author_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
4d5c2956 | 656 | ident_config_given |= IDENT_NAME_GIVEN; |
9597921b JK |
657 | return 0; |
658 | } | |
659 | ||
660 | if (!strcmp(var, "user.email")) { | |
661 | if (!value) | |
662 | return config_error_nonbool(var); | |
8587ead7 JK |
663 | strbuf_reset(&git_default_email); |
664 | strbuf_addstr(&git_default_email, value); | |
d6991cee JK |
665 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; |
666 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
4d5c2956 | 667 | ident_config_given |= IDENT_MAIL_GIVEN; |
9597921b JK |
668 | return 0; |
669 | } | |
670 | ||
671 | return 0; | |
672 | } | |
662cc30c | 673 | |
5cf88fd8 | 674 | int git_ident_config(const char *var, const char *value, void *data UNUSED) |
39ab4d09 WH |
675 | { |
676 | if (!strcmp(var, "user.useconfigonly")) { | |
677 | ident_use_config_only = git_config_bool(var, value); | |
678 | return 0; | |
679 | } | |
680 | ||
681 | return set_ident(var, value); | |
682 | } | |
683 | ||
fd5a5847 JS |
684 | static void set_env_if(const char *key, const char *value, int *given, int bit) |
685 | { | |
0640897d | 686 | if ((*given & bit) || getenv(key)) |
fd5a5847 JS |
687 | return; /* nothing to do */ |
688 | setenv(key, value, 0); | |
689 | *given |= bit; | |
690 | } | |
691 | ||
692 | void prepare_fallback_ident(const char *name, const char *email) | |
693 | { | |
694 | set_env_if("GIT_AUTHOR_NAME", name, | |
695 | &author_ident_explicitly_given, IDENT_NAME_GIVEN); | |
696 | set_env_if("GIT_AUTHOR_EMAIL", email, | |
697 | &author_ident_explicitly_given, IDENT_MAIL_GIVEN); | |
698 | set_env_if("GIT_COMMITTER_NAME", name, | |
699 | &committer_ident_explicitly_given, IDENT_NAME_GIVEN); | |
700 | set_env_if("GIT_COMMITTER_EMAIL", email, | |
701 | &committer_ident_explicitly_given, IDENT_MAIL_GIVEN); | |
702 | } | |
703 | ||
662cc30c JK |
704 | static int buf_cmp(const char *a_begin, const char *a_end, |
705 | const char *b_begin, const char *b_end) | |
706 | { | |
707 | int a_len = a_end - a_begin; | |
708 | int b_len = b_end - b_begin; | |
709 | int min = a_len < b_len ? a_len : b_len; | |
710 | int cmp; | |
711 | ||
712 | cmp = memcmp(a_begin, b_begin, min); | |
713 | if (cmp) | |
714 | return cmp; | |
715 | ||
716 | return a_len - b_len; | |
717 | } | |
718 | ||
719 | int ident_cmp(const struct ident_split *a, | |
720 | const struct ident_split *b) | |
721 | { | |
722 | int cmp; | |
723 | ||
724 | cmp = buf_cmp(a->mail_begin, a->mail_end, | |
725 | b->mail_begin, b->mail_end); | |
726 | if (cmp) | |
727 | return cmp; | |
728 | ||
729 | return buf_cmp(a->name_begin, a->name_end, | |
730 | b->name_begin, b->name_end); | |
731 | } |