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1 | #include "builtin.h" | |
2 | #include "cache.h" | |
3 | #include "color.h" | |
4 | #include "parse-options.h" | |
5 | ||
6 | static const char *const builtin_config_usage[] = { | |
7 | "git config [options]", | |
8 | NULL | |
9 | }; | |
10 | ||
11 | static char *key; | |
12 | static regex_t *key_regexp; | |
13 | static regex_t *regexp; | |
14 | static int show_keys; | |
15 | static int use_key_regexp; | |
16 | static int do_all; | |
17 | static int do_not_match; | |
18 | static int seen; | |
19 | static char delim = '='; | |
20 | static char key_delim = ' '; | |
21 | static char term = '\n'; | |
22 | ||
23 | static int use_global_config, use_system_config; | |
24 | static const char *given_config_file; | |
25 | static int actions, types; | |
26 | static const char *get_color_slot, *get_colorbool_slot; | |
27 | static int end_null; | |
28 | ||
29 | #define ACTION_GET (1<<0) | |
30 | #define ACTION_GET_ALL (1<<1) | |
31 | #define ACTION_GET_REGEXP (1<<2) | |
32 | #define ACTION_REPLACE_ALL (1<<3) | |
33 | #define ACTION_ADD (1<<4) | |
34 | #define ACTION_UNSET (1<<5) | |
35 | #define ACTION_UNSET_ALL (1<<6) | |
36 | #define ACTION_RENAME_SECTION (1<<7) | |
37 | #define ACTION_REMOVE_SECTION (1<<8) | |
38 | #define ACTION_LIST (1<<9) | |
39 | #define ACTION_EDIT (1<<10) | |
40 | #define ACTION_SET (1<<11) | |
41 | #define ACTION_SET_ALL (1<<12) | |
42 | #define ACTION_GET_COLOR (1<<13) | |
43 | #define ACTION_GET_COLORBOOL (1<<14) | |
44 | ||
45 | #define TYPE_BOOL (1<<0) | |
46 | #define TYPE_INT (1<<1) | |
47 | #define TYPE_BOOL_OR_INT (1<<2) | |
48 | ||
49 | static struct option builtin_config_options[] = { | |
50 | OPT_GROUP("Config file location"), | |
51 | OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"), | |
52 | OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"), | |
53 | OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"), | |
54 | OPT_GROUP("Action"), | |
55 | OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET), | |
56 | OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL), | |
57 | OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP), | |
58 | OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL), | |
59 | OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD), | |
60 | OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET), | |
61 | OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL), | |
62 | OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION), | |
63 | OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION), | |
64 | OPT_BIT('l', "list", &actions, "list all", ACTION_LIST), | |
65 | OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT), | |
66 | OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"), | |
67 | OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"), | |
68 | OPT_GROUP("Type"), | |
69 | OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL), | |
70 | OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT), | |
71 | OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT), | |
72 | OPT_GROUP("Other"), | |
73 | OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"), | |
74 | OPT_END(), | |
75 | }; | |
76 | ||
77 | static void check_argc(int argc, int min, int max) { | |
78 | if (argc >= min && argc <= max) | |
79 | return; | |
80 | error("wrong number of arguments"); | |
81 | usage_with_options(builtin_config_usage, builtin_config_options); | |
82 | } | |
83 | ||
84 | static int show_all_config(const char *key_, const char *value_, void *cb) | |
85 | { | |
86 | if (value_) | |
87 | printf("%s%c%s%c", key_, delim, value_, term); | |
88 | else | |
89 | printf("%s%c", key_, term); | |
90 | return 0; | |
91 | } | |
92 | ||
93 | static int show_config(const char *key_, const char *value_, void *cb) | |
94 | { | |
95 | char value[256]; | |
96 | const char *vptr = value; | |
97 | int dup_error = 0; | |
98 | ||
99 | if (!use_key_regexp && strcmp(key_, key)) | |
100 | return 0; | |
101 | if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0)) | |
102 | return 0; | |
103 | if (regexp != NULL && | |
104 | (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0))) | |
105 | return 0; | |
106 | ||
107 | if (show_keys) { | |
108 | if (value_) | |
109 | printf("%s%c", key_, key_delim); | |
110 | else | |
111 | printf("%s", key_); | |
112 | } | |
113 | if (seen && !do_all) | |
114 | dup_error = 1; | |
115 | if (types == TYPE_INT) | |
116 | sprintf(value, "%d", git_config_int(key_, value_?value_:"")); | |
117 | else if (types == TYPE_BOOL) | |
118 | vptr = git_config_bool(key_, value_) ? "true" : "false"; | |
119 | else if (types == TYPE_BOOL_OR_INT) { | |
120 | int is_bool, v; | |
121 | v = git_config_bool_or_int(key_, value_, &is_bool); | |
122 | if (is_bool) | |
123 | vptr = v ? "true" : "false"; | |
124 | else | |
125 | sprintf(value, "%d", v); | |
126 | } | |
127 | else | |
128 | vptr = value_?value_:""; | |
129 | seen++; | |
130 | if (dup_error) { | |
131 | error("More than one value for the key %s: %s", | |
132 | key_, vptr); | |
133 | } | |
134 | else | |
135 | printf("%s%c", vptr, term); | |
136 | ||
137 | return 0; | |
138 | } | |
139 | ||
140 | static int get_value(const char *key_, const char *regex_) | |
141 | { | |
142 | int ret = -1; | |
143 | char *tl; | |
144 | char *global = NULL, *repo_config = NULL; | |
145 | const char *system_wide = NULL, *local; | |
146 | ||
147 | local = config_exclusive_filename; | |
148 | if (!local) { | |
149 | const char *home = getenv("HOME"); | |
150 | local = repo_config = git_pathdup("config"); | |
151 | if (git_config_global() && home) | |
152 | global = xstrdup(mkpath("%s/.gitconfig", home)); | |
153 | if (git_config_system()) | |
154 | system_wide = git_etc_gitconfig(); | |
155 | } | |
156 | ||
157 | key = xstrdup(key_); | |
158 | for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl) | |
159 | *tl = tolower(*tl); | |
160 | for (tl=key; *tl && *tl != '.'; ++tl) | |
161 | *tl = tolower(*tl); | |
162 | ||
163 | if (use_key_regexp) { | |
164 | key_regexp = (regex_t*)xmalloc(sizeof(regex_t)); | |
165 | if (regcomp(key_regexp, key, REG_EXTENDED)) { | |
166 | fprintf(stderr, "Invalid key pattern: %s\n", key_); | |
167 | goto free_strings; | |
168 | } | |
169 | } | |
170 | ||
171 | if (regex_) { | |
172 | if (regex_[0] == '!') { | |
173 | do_not_match = 1; | |
174 | regex_++; | |
175 | } | |
176 | ||
177 | regexp = (regex_t*)xmalloc(sizeof(regex_t)); | |
178 | if (regcomp(regexp, regex_, REG_EXTENDED)) { | |
179 | fprintf(stderr, "Invalid pattern: %s\n", regex_); | |
180 | goto free_strings; | |
181 | } | |
182 | } | |
183 | ||
184 | if (do_all && system_wide) | |
185 | git_config_from_file(show_config, system_wide, NULL); | |
186 | if (do_all && global) | |
187 | git_config_from_file(show_config, global, NULL); | |
188 | git_config_from_file(show_config, local, NULL); | |
189 | if (!do_all && !seen && global) | |
190 | git_config_from_file(show_config, global, NULL); | |
191 | if (!do_all && !seen && system_wide) | |
192 | git_config_from_file(show_config, system_wide, NULL); | |
193 | ||
194 | free(key); | |
195 | if (regexp) { | |
196 | regfree(regexp); | |
197 | free(regexp); | |
198 | } | |
199 | ||
200 | if (do_all) | |
201 | ret = !seen; | |
202 | else | |
203 | ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1; | |
204 | ||
205 | free_strings: | |
206 | free(repo_config); | |
207 | free(global); | |
208 | return ret; | |
209 | } | |
210 | ||
211 | static char *normalize_value(const char *key, const char *value) | |
212 | { | |
213 | char *normalized; | |
214 | ||
215 | if (!value) | |
216 | return NULL; | |
217 | ||
218 | if (types == 0) | |
219 | normalized = xstrdup(value); | |
220 | else { | |
221 | normalized = xmalloc(64); | |
222 | if (types == TYPE_INT) { | |
223 | int v = git_config_int(key, value); | |
224 | sprintf(normalized, "%d", v); | |
225 | } | |
226 | else if (types == TYPE_BOOL) | |
227 | sprintf(normalized, "%s", | |
228 | git_config_bool(key, value) ? "true" : "false"); | |
229 | else if (types == TYPE_BOOL_OR_INT) { | |
230 | int is_bool, v; | |
231 | v = git_config_bool_or_int(key, value, &is_bool); | |
232 | if (!is_bool) | |
233 | sprintf(normalized, "%d", v); | |
234 | else | |
235 | sprintf(normalized, "%s", v ? "true" : "false"); | |
236 | } | |
237 | } | |
238 | ||
239 | return normalized; | |
240 | } | |
241 | ||
242 | static int get_color_found; | |
243 | static const char *get_color_slot; | |
244 | static const char *get_colorbool_slot; | |
245 | static char parsed_color[COLOR_MAXLEN]; | |
246 | ||
247 | static int git_get_color_config(const char *var, const char *value, void *cb) | |
248 | { | |
249 | if (!strcmp(var, get_color_slot)) { | |
250 | if (!value) | |
251 | config_error_nonbool(var); | |
252 | color_parse(value, var, parsed_color); | |
253 | get_color_found = 1; | |
254 | } | |
255 | return 0; | |
256 | } | |
257 | ||
258 | static void get_color(const char *def_color) | |
259 | { | |
260 | get_color_found = 0; | |
261 | parsed_color[0] = '\0'; | |
262 | git_config(git_get_color_config, NULL); | |
263 | ||
264 | if (!get_color_found && def_color) | |
265 | color_parse(def_color, "command line", parsed_color); | |
266 | ||
267 | fputs(parsed_color, stdout); | |
268 | } | |
269 | ||
270 | static int stdout_is_tty; | |
271 | static int get_colorbool_found; | |
272 | static int get_diff_color_found; | |
273 | static int git_get_colorbool_config(const char *var, const char *value, | |
274 | void *cb) | |
275 | { | |
276 | if (!strcmp(var, get_colorbool_slot)) { | |
277 | get_colorbool_found = | |
278 | git_config_colorbool(var, value, stdout_is_tty); | |
279 | } | |
280 | if (!strcmp(var, "diff.color")) { | |
281 | get_diff_color_found = | |
282 | git_config_colorbool(var, value, stdout_is_tty); | |
283 | } | |
284 | if (!strcmp(var, "color.ui")) { | |
285 | git_use_color_default = git_config_colorbool(var, value, stdout_is_tty); | |
286 | return 0; | |
287 | } | |
288 | return 0; | |
289 | } | |
290 | ||
291 | static int get_colorbool(int print) | |
292 | { | |
293 | get_colorbool_found = -1; | |
294 | get_diff_color_found = -1; | |
295 | git_config(git_get_colorbool_config, NULL); | |
296 | ||
297 | if (get_colorbool_found < 0) { | |
298 | if (!strcmp(get_colorbool_slot, "color.diff")) | |
299 | get_colorbool_found = get_diff_color_found; | |
300 | if (get_colorbool_found < 0) | |
301 | get_colorbool_found = git_use_color_default; | |
302 | } | |
303 | ||
304 | if (print) { | |
305 | printf("%s\n", get_colorbool_found ? "true" : "false"); | |
306 | return 0; | |
307 | } else | |
308 | return get_colorbool_found ? 0 : 1; | |
309 | } | |
310 | ||
311 | int cmd_config(int argc, const char **argv, const char *unused_prefix) | |
312 | { | |
313 | int nongit; | |
314 | char *value; | |
315 | const char *prefix = setup_git_directory_gently(&nongit); | |
316 | ||
317 | config_exclusive_filename = getenv(CONFIG_ENVIRONMENT); | |
318 | ||
319 | argc = parse_options(argc, argv, prefix, builtin_config_options, | |
320 | builtin_config_usage, | |
321 | PARSE_OPT_STOP_AT_NON_OPTION); | |
322 | ||
323 | if (use_global_config + use_system_config + !!given_config_file > 1) { | |
324 | error("only one config file at a time."); | |
325 | usage_with_options(builtin_config_usage, builtin_config_options); | |
326 | } | |
327 | ||
328 | if (use_global_config) { | |
329 | char *home = getenv("HOME"); | |
330 | if (home) { | |
331 | char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); | |
332 | config_exclusive_filename = user_config; | |
333 | } else { | |
334 | die("$HOME not set"); | |
335 | } | |
336 | } | |
337 | else if (use_system_config) | |
338 | config_exclusive_filename = git_etc_gitconfig(); | |
339 | else if (given_config_file) { | |
340 | if (!is_absolute_path(given_config_file) && prefix) | |
341 | config_exclusive_filename = prefix_filename(prefix, | |
342 | strlen(prefix), | |
343 | argv[2]); | |
344 | else | |
345 | config_exclusive_filename = given_config_file; | |
346 | } | |
347 | ||
348 | if (end_null) { | |
349 | term = '\0'; | |
350 | delim = '\n'; | |
351 | key_delim = '\n'; | |
352 | } | |
353 | ||
354 | if (HAS_MULTI_BITS(types)) { | |
355 | error("only one type at a time."); | |
356 | usage_with_options(builtin_config_usage, builtin_config_options); | |
357 | } | |
358 | ||
359 | if (get_color_slot) | |
360 | actions |= ACTION_GET_COLOR; | |
361 | if (get_colorbool_slot) | |
362 | actions |= ACTION_GET_COLORBOOL; | |
363 | ||
364 | if ((get_color_slot || get_colorbool_slot) && types) { | |
365 | error("--get-color and variable type are incoherent"); | |
366 | usage_with_options(builtin_config_usage, builtin_config_options); | |
367 | } | |
368 | ||
369 | if (HAS_MULTI_BITS(actions)) { | |
370 | error("only one action at a time."); | |
371 | usage_with_options(builtin_config_usage, builtin_config_options); | |
372 | } | |
373 | if (actions == 0) | |
374 | switch (argc) { | |
375 | case 1: actions = ACTION_GET; break; | |
376 | case 2: actions = ACTION_SET; break; | |
377 | case 3: actions = ACTION_SET_ALL; break; | |
378 | default: | |
379 | usage_with_options(builtin_config_usage, builtin_config_options); | |
380 | } | |
381 | ||
382 | if (actions == ACTION_LIST) { | |
383 | check_argc(argc, 0, 0); | |
384 | if (git_config(show_all_config, NULL) < 0) { | |
385 | if (config_exclusive_filename) | |
386 | die_errno("unable to read config file '%s'", | |
387 | config_exclusive_filename); | |
388 | else | |
389 | die("error processing config file(s)"); | |
390 | } | |
391 | } | |
392 | else if (actions == ACTION_EDIT) { | |
393 | check_argc(argc, 0, 0); | |
394 | if (!config_exclusive_filename && nongit) | |
395 | die("not in a git directory"); | |
396 | git_config(git_default_config, NULL); | |
397 | launch_editor(config_exclusive_filename ? | |
398 | config_exclusive_filename : git_path("config"), | |
399 | NULL, NULL); | |
400 | } | |
401 | else if (actions == ACTION_SET) { | |
402 | check_argc(argc, 2, 2); | |
403 | value = normalize_value(argv[0], argv[1]); | |
404 | return git_config_set(argv[0], value); | |
405 | } | |
406 | else if (actions == ACTION_SET_ALL) { | |
407 | check_argc(argc, 2, 3); | |
408 | value = normalize_value(argv[0], argv[1]); | |
409 | return git_config_set_multivar(argv[0], value, argv[2], 0); | |
410 | } | |
411 | else if (actions == ACTION_ADD) { | |
412 | check_argc(argc, 2, 2); | |
413 | value = normalize_value(argv[0], argv[1]); | |
414 | return git_config_set_multivar(argv[0], value, "^$", 0); | |
415 | } | |
416 | else if (actions == ACTION_REPLACE_ALL) { | |
417 | check_argc(argc, 2, 3); | |
418 | value = normalize_value(argv[0], argv[1]); | |
419 | return git_config_set_multivar(argv[0], value, argv[2], 1); | |
420 | } | |
421 | else if (actions == ACTION_GET) { | |
422 | check_argc(argc, 1, 2); | |
423 | return get_value(argv[0], argv[1]); | |
424 | } | |
425 | else if (actions == ACTION_GET_ALL) { | |
426 | do_all = 1; | |
427 | check_argc(argc, 1, 2); | |
428 | return get_value(argv[0], argv[1]); | |
429 | } | |
430 | else if (actions == ACTION_GET_REGEXP) { | |
431 | show_keys = 1; | |
432 | use_key_regexp = 1; | |
433 | do_all = 1; | |
434 | check_argc(argc, 1, 2); | |
435 | return get_value(argv[0], argv[1]); | |
436 | } | |
437 | else if (actions == ACTION_UNSET) { | |
438 | check_argc(argc, 1, 2); | |
439 | if (argc == 2) | |
440 | return git_config_set_multivar(argv[0], NULL, argv[1], 0); | |
441 | else | |
442 | return git_config_set(argv[0], NULL); | |
443 | } | |
444 | else if (actions == ACTION_UNSET_ALL) { | |
445 | check_argc(argc, 1, 2); | |
446 | return git_config_set_multivar(argv[0], NULL, argv[1], 1); | |
447 | } | |
448 | else if (actions == ACTION_RENAME_SECTION) { | |
449 | int ret; | |
450 | check_argc(argc, 2, 2); | |
451 | ret = git_config_rename_section(argv[0], argv[1]); | |
452 | if (ret < 0) | |
453 | return ret; | |
454 | if (ret == 0) | |
455 | die("No such section!"); | |
456 | } | |
457 | else if (actions == ACTION_REMOVE_SECTION) { | |
458 | int ret; | |
459 | check_argc(argc, 1, 1); | |
460 | ret = git_config_rename_section(argv[0], NULL); | |
461 | if (ret < 0) | |
462 | return ret; | |
463 | if (ret == 0) | |
464 | die("No such section!"); | |
465 | } | |
466 | else if (actions == ACTION_GET_COLOR) { | |
467 | get_color(argv[0]); | |
468 | } | |
469 | else if (actions == ACTION_GET_COLORBOOL) { | |
470 | if (argc == 1) | |
471 | stdout_is_tty = git_config_bool("command line", argv[0]); | |
472 | else if (argc == 0) | |
473 | stdout_is_tty = isatty(1); | |
474 | return get_colorbool(argc != 0); | |
475 | } | |
476 | ||
477 | return 0; | |
478 | } |