ca4a0db4a79241d7ded005483b4693967eea636f
1#include "builtin.h"
2#include "cache.h"
3#include "color.h"
4#include "parse-options.h"
5static const char *const builtin_config_usage[] = {
7 "git config [options]",
8 NULL
9};
10static char *key;
12static regex_t *key_regexp;
13static regex_t *regexp;
14static int show_keys;
15static int use_key_regexp;
16static int do_all;
17static int do_not_match;
18static int seen;
19static char delim = '=';
20static char key_delim = ' ';
21static char term = '\n';
22static int use_global_config, use_system_config, use_local_config;
24static const char *given_config_file;
25static int actions, types;
26static const char *get_color_slot, *get_colorbool_slot;
27static int end_null;
28#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#define TYPE_BOOL (1<<0)
46#define TYPE_INT (1<<1)
47#define TYPE_BOOL_OR_INT (1<<2)
48#define TYPE_PATH (1<<3)
49static struct option builtin_config_options[] = {
51 OPT_GROUP("Config file location"),
52 OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
53 OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
54 OPT_BOOLEAN(0, "local", &use_local_config, "use repository config file"),
55 OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
56 OPT_GROUP("Action"),
57 OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
58 OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
59 OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
60 OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
61 OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
62 OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
63 OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
64 OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
65 OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
66 OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
67 OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
68 OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
69 OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
70 OPT_GROUP("Type"),
71 OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
72 OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
73 OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
74 OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
75 OPT_GROUP("Other"),
76 OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
77 OPT_END(),
78};
79static void check_argc(int argc, int min, int max) {
81 if (argc >= min && argc <= max)
82 return;
83 error("wrong number of arguments");
84 usage_with_options(builtin_config_usage, builtin_config_options);
85}
86static int show_all_config(const char *key_, const char *value_, void *cb)
88{
89 if (value_)
90 printf("%s%c%s%c", key_, delim, value_, term);
91 else
92 printf("%s%c", key_, term);
93 return 0;
94}
95static int show_config(const char *key_, const char *value_, void *cb)
97{
98 char value[256];
99 const char *vptr = value;
100 int must_free_vptr = 0;
101 int dup_error = 0;
102 if (!use_key_regexp && strcmp(key_, key))
104 return 0;
105 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
106 return 0;
107 if (regexp != NULL &&
108 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
109 return 0;
110 if (show_keys) {
112 if (value_)
113 printf("%s%c", key_, key_delim);
114 else
115 printf("%s", key_);
116 }
117 if (seen && !do_all)
118 dup_error = 1;
119 if (types == TYPE_INT)
120 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
121 else if (types == TYPE_BOOL)
122 vptr = git_config_bool(key_, value_) ? "true" : "false";
123 else if (types == TYPE_BOOL_OR_INT) {
124 int is_bool, v;
125 v = git_config_bool_or_int(key_, value_, &is_bool);
126 if (is_bool)
127 vptr = v ? "true" : "false";
128 else
129 sprintf(value, "%d", v);
130 } else if (types == TYPE_PATH) {
131 git_config_pathname(&vptr, key_, value_);
132 must_free_vptr = 1;
133 }
134 else
135 vptr = value_?value_:"";
136 seen++;
137 if (dup_error) {
138 error("More than one value for the key %s: %s",
139 key_, vptr);
140 }
141 else
142 printf("%s%c", vptr, term);
143 if (must_free_vptr)
144 /* If vptr must be freed, it's a pointer to a
145 * dynamically allocated buffer, it's safe to cast to
146 * const.
147 */
148 free((char *)vptr);
149 return 0;
151}
152static int get_value(const char *key_, const char *regex_)
154{
155 int ret = -1;
156 char *tl;
157 char *global = NULL, *repo_config = NULL;
158 const char *system_wide = NULL, *local;
159 local = config_exclusive_filename;
161 if (!local) {
162 const char *home = getenv("HOME");
163 local = repo_config = git_pathdup("config");
164 if (git_config_global() && home)
165 global = xstrdup(mkpath("%s/.gitconfig", home));
166 if (git_config_system())
167 system_wide = git_etc_gitconfig();
168 }
169 key = xstrdup(key_);
171 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
172 *tl = tolower(*tl);
173 for (tl=key; *tl && *tl != '.'; ++tl)
174 *tl = tolower(*tl);
175 if (use_key_regexp) {
177 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
178 if (regcomp(key_regexp, key, REG_EXTENDED)) {
179 fprintf(stderr, "Invalid key pattern: %s\n", key_);
180 goto free_strings;
181 }
182 }
183 if (regex_) {
185 if (regex_[0] == '!') {
186 do_not_match = 1;
187 regex_++;
188 }
189 regexp = (regex_t*)xmalloc(sizeof(regex_t));
191 if (regcomp(regexp, regex_, REG_EXTENDED)) {
192 fprintf(stderr, "Invalid pattern: %s\n", regex_);
193 goto free_strings;
194 }
195 }
196 if (do_all && system_wide)
198 git_config_from_file(show_config, system_wide, NULL);
199 if (do_all && global)
200 git_config_from_file(show_config, global, NULL);
201 if (do_all)
202 git_config_from_file(show_config, local, NULL);
203 git_config_from_parameters(show_config, NULL);
204 if (!do_all && !seen)
205 git_config_from_file(show_config, local, NULL);
206 if (!do_all && !seen && global)
207 git_config_from_file(show_config, global, NULL);
208 if (!do_all && !seen && system_wide)
209 git_config_from_file(show_config, system_wide, NULL);
210 free(key);
212 if (regexp) {
213 regfree(regexp);
214 free(regexp);
215 }
216 if (do_all)
218 ret = !seen;
219 else
220 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
221free_strings:
223 free(repo_config);
224 free(global);
225 return ret;
226}
227static char *normalize_value(const char *key, const char *value)
229{
230 char *normalized;
231 if (!value)
233 return NULL;
234 if (types == 0 || types == TYPE_PATH)
236 /*
237 * We don't do normalization for TYPE_PATH here: If
238 * the path is like ~/foobar/, we prefer to store
239 * "~/foobar/" in the config file, and to expand the ~
240 * when retrieving the value.
241 */
242 normalized = xstrdup(value);
243 else {
244 normalized = xmalloc(64);
245 if (types == TYPE_INT) {
246 int v = git_config_int(key, value);
247 sprintf(normalized, "%d", v);
248 }
249 else if (types == TYPE_BOOL)
250 sprintf(normalized, "%s",
251 git_config_bool(key, value) ? "true" : "false");
252 else if (types == TYPE_BOOL_OR_INT) {
253 int is_bool, v;
254 v = git_config_bool_or_int(key, value, &is_bool);
255 if (!is_bool)
256 sprintf(normalized, "%d", v);
257 else
258 sprintf(normalized, "%s", v ? "true" : "false");
259 }
260 }
261 return normalized;
263}
264static int get_color_found;
266static const char *get_color_slot;
267static const char *get_colorbool_slot;
268static char parsed_color[COLOR_MAXLEN];
269static int git_get_color_config(const char *var, const char *value, void *cb)
271{
272 if (!strcmp(var, get_color_slot)) {
273 if (!value)
274 config_error_nonbool(var);
275 color_parse(value, var, parsed_color);
276 get_color_found = 1;
277 }
278 return 0;
279}
280static void get_color(const char *def_color)
282{
283 get_color_found = 0;
284 parsed_color[0] = '\0';
285 git_config(git_get_color_config, NULL);
286 if (!get_color_found && def_color)
288 color_parse(def_color, "command line", parsed_color);
289 fputs(parsed_color, stdout);
291}
292static int stdout_is_tty;
294static int get_colorbool_found;
295static int get_diff_color_found;
296static int git_get_colorbool_config(const char *var, const char *value,
297 void *cb)
298{
299 if (!strcmp(var, get_colorbool_slot)) {
300 get_colorbool_found =
301 git_config_colorbool(var, value, stdout_is_tty);
302 }
303 if (!strcmp(var, "diff.color")) {
304 get_diff_color_found =
305 git_config_colorbool(var, value, stdout_is_tty);
306 }
307 if (!strcmp(var, "color.ui")) {
308 git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
309 return 0;
310 }
311 return 0;
312}
313static int get_colorbool(int print)
315{
316 get_colorbool_found = -1;
317 get_diff_color_found = -1;
318 git_config(git_get_colorbool_config, NULL);
319 if (get_colorbool_found < 0) {
321 if (!strcmp(get_colorbool_slot, "color.diff"))
322 get_colorbool_found = get_diff_color_found;
323 if (get_colorbool_found < 0)
324 get_colorbool_found = git_use_color_default;
325 }
326 if (print) {
328 printf("%s\n", get_colorbool_found ? "true" : "false");
329 return 0;
330 } else
331 return get_colorbool_found ? 0 : 1;
332}
333int cmd_config(int argc, const char **argv, const char *prefix)
335{
336 int nongit = !startup_info->have_repository;
337 char *value;
338 config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
340 argc = parse_options(argc, argv, prefix, builtin_config_options,
342 builtin_config_usage,
343 PARSE_OPT_STOP_AT_NON_OPTION);
344 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
346 error("only one config file at a time.");
347 usage_with_options(builtin_config_usage, builtin_config_options);
348 }
349 if (use_global_config) {
351 char *home = getenv("HOME");
352 if (home) {
353 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
354 config_exclusive_filename = user_config;
355 } else {
356 die("$HOME not set");
357 }
358 }
359 else if (use_system_config)
360 config_exclusive_filename = git_etc_gitconfig();
361 else if (use_local_config)
362 config_exclusive_filename = git_pathdup("config");
363 else if (given_config_file) {
364 if (!is_absolute_path(given_config_file) && prefix)
365 config_exclusive_filename = prefix_filename(prefix,
366 strlen(prefix),
367 given_config_file);
368 else
369 config_exclusive_filename = given_config_file;
370 }
371 if (end_null) {
373 term = '\0';
374 delim = '\n';
375 key_delim = '\n';
376 }
377 if (HAS_MULTI_BITS(types)) {
379 error("only one type at a time.");
380 usage_with_options(builtin_config_usage, builtin_config_options);
381 }
382 if (get_color_slot)
384 actions |= ACTION_GET_COLOR;
385 if (get_colorbool_slot)
386 actions |= ACTION_GET_COLORBOOL;
387 if ((get_color_slot || get_colorbool_slot) && types) {
389 error("--get-color and variable type are incoherent");
390 usage_with_options(builtin_config_usage, builtin_config_options);
391 }
392 if (HAS_MULTI_BITS(actions)) {
394 error("only one action at a time.");
395 usage_with_options(builtin_config_usage, builtin_config_options);
396 }
397 if (actions == 0)
398 switch (argc) {
399 case 1: actions = ACTION_GET; break;
400 case 2: actions = ACTION_SET; break;
401 case 3: actions = ACTION_SET_ALL; break;
402 default:
403 usage_with_options(builtin_config_usage, builtin_config_options);
404 }
405 if (actions == ACTION_LIST) {
407 check_argc(argc, 0, 0);
408 if (git_config(show_all_config, NULL) < 0) {
409 if (config_exclusive_filename)
410 die_errno("unable to read config file '%s'",
411 config_exclusive_filename);
412 else
413 die("error processing config file(s)");
414 }
415 }
416 else if (actions == ACTION_EDIT) {
417 check_argc(argc, 0, 0);
418 if (!config_exclusive_filename && nongit)
419 die("not in a git directory");
420 git_config(git_default_config, NULL);
421 launch_editor(config_exclusive_filename ?
422 config_exclusive_filename : git_path("config"),
423 NULL, NULL);
424 }
425 else if (actions == ACTION_SET) {
426 check_argc(argc, 2, 2);
427 value = normalize_value(argv[0], argv[1]);
428 return git_config_set(argv[0], value);
429 }
430 else if (actions == ACTION_SET_ALL) {
431 check_argc(argc, 2, 3);
432 value = normalize_value(argv[0], argv[1]);
433 return git_config_set_multivar(argv[0], value, argv[2], 0);
434 }
435 else if (actions == ACTION_ADD) {
436 check_argc(argc, 2, 2);
437 value = normalize_value(argv[0], argv[1]);
438 return git_config_set_multivar(argv[0], value, "^$", 0);
439 }
440 else if (actions == ACTION_REPLACE_ALL) {
441 check_argc(argc, 2, 3);
442 value = normalize_value(argv[0], argv[1]);
443 return git_config_set_multivar(argv[0], value, argv[2], 1);
444 }
445 else if (actions == ACTION_GET) {
446 check_argc(argc, 1, 2);
447 return get_value(argv[0], argv[1]);
448 }
449 else if (actions == ACTION_GET_ALL) {
450 do_all = 1;
451 check_argc(argc, 1, 2);
452 return get_value(argv[0], argv[1]);
453 }
454 else if (actions == ACTION_GET_REGEXP) {
455 show_keys = 1;
456 use_key_regexp = 1;
457 do_all = 1;
458 check_argc(argc, 1, 2);
459 return get_value(argv[0], argv[1]);
460 }
461 else if (actions == ACTION_UNSET) {
462 check_argc(argc, 1, 2);
463 if (argc == 2)
464 return git_config_set_multivar(argv[0], NULL, argv[1], 0);
465 else
466 return git_config_set(argv[0], NULL);
467 }
468 else if (actions == ACTION_UNSET_ALL) {
469 check_argc(argc, 1, 2);
470 return git_config_set_multivar(argv[0], NULL, argv[1], 1);
471 }
472 else if (actions == ACTION_RENAME_SECTION) {
473 int ret;
474 check_argc(argc, 2, 2);
475 ret = git_config_rename_section(argv[0], argv[1]);
476 if (ret < 0)
477 return ret;
478 if (ret == 0)
479 die("No such section!");
480 }
481 else if (actions == ACTION_REMOVE_SECTION) {
482 int ret;
483 check_argc(argc, 1, 1);
484 ret = git_config_rename_section(argv[0], NULL);
485 if (ret < 0)
486 return ret;
487 if (ret == 0)
488 die("No such section!");
489 }
490 else if (actions == ACTION_GET_COLOR) {
491 get_color(argv[0]);
492 }
493 else if (actions == ACTION_GET_COLORBOOL) {
494 if (argc == 1)
495 stdout_is_tty = git_config_bool("command line", argv[0]);
496 else if (argc == 0)
497 stdout_is_tty = isatty(1);
498 return get_colorbool(argc != 0);
499 }
500 return 0;
502}