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