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 int must_print_delim = 0;
103 if (!use_key_regexp && strcmp(key_, key))
105 return 0;
106 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
107 return 0;
108 if (regexp != NULL &&
109 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
110 return 0;
111 if (show_keys) {
113 printf("%s", key_);
114 must_print_delim = 1;
115 }
116 if (seen && !do_all)
117 dup_error = 1;
118 if (types == TYPE_INT)
119 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
120 else if (types == TYPE_BOOL)
121 vptr = git_config_bool(key_, value_) ? "true" : "false";
122 else if (types == TYPE_BOOL_OR_INT) {
123 int is_bool, v;
124 v = git_config_bool_or_int(key_, value_, &is_bool);
125 if (is_bool)
126 vptr = v ? "true" : "false";
127 else
128 sprintf(value, "%d", v);
129 } else if (types == TYPE_PATH) {
130 git_config_pathname(&vptr, key_, value_);
131 must_free_vptr = 1;
132 } else if (value_) {
133 vptr = value_;
134 } else {
135 /* Just show the key name */
136 vptr = "";
137 must_print_delim = 0;
138 }
139 seen++;
140 if (dup_error) {
141 error("More than one value for the key %s: %s",
142 key_, vptr);
143 }
144 else {
145 if (must_print_delim)
146 printf("%c", key_delim);
147 printf("%s%c", vptr, term);
148 }
149 if (must_free_vptr)
150 /* If vptr must be freed, it's a pointer to a
151 * dynamically allocated buffer, it's safe to cast to
152 * const.
153 */
154 free((char *)vptr);
155 return 0;
157}
158static int get_value(const char *key_, const char *regex_)
160{
161 int ret = -1;
162 char *tl;
163 char *global = NULL, *repo_config = NULL;
164 const char *system_wide = NULL, *local;
165 local = config_exclusive_filename;
167 if (!local) {
168 const char *home = getenv("HOME");
169 local = repo_config = git_pathdup("config");
170 if (git_config_global() && home)
171 global = xstrdup(mkpath("%s/.gitconfig", home));
172 if (git_config_system())
173 system_wide = git_etc_gitconfig();
174 }
175 key = xstrdup(key_);
177 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
178 *tl = tolower(*tl);
179 for (tl=key; *tl && *tl != '.'; ++tl)
180 *tl = tolower(*tl);
181 if (use_key_regexp) {
183 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
184 if (regcomp(key_regexp, key, REG_EXTENDED)) {
185 fprintf(stderr, "Invalid key pattern: %s\n", key_);
186 goto free_strings;
187 }
188 }
189 if (regex_) {
191 if (regex_[0] == '!') {
192 do_not_match = 1;
193 regex_++;
194 }
195 regexp = (regex_t*)xmalloc(sizeof(regex_t));
197 if (regcomp(regexp, regex_, REG_EXTENDED)) {
198 fprintf(stderr, "Invalid pattern: %s\n", regex_);
199 goto free_strings;
200 }
201 }
202 if (do_all && system_wide)
204 git_config_from_file(show_config, system_wide, NULL);
205 if (do_all && global)
206 git_config_from_file(show_config, global, NULL);
207 if (do_all)
208 git_config_from_file(show_config, local, NULL);
209 git_config_from_parameters(show_config, NULL);
210 if (!do_all && !seen)
211 git_config_from_file(show_config, local, NULL);
212 if (!do_all && !seen && global)
213 git_config_from_file(show_config, global, NULL);
214 if (!do_all && !seen && system_wide)
215 git_config_from_file(show_config, system_wide, NULL);
216 free(key);
218 if (regexp) {
219 regfree(regexp);
220 free(regexp);
221 }
222 if (do_all)
224 ret = !seen;
225 else
226 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
227free_strings:
229 free(repo_config);
230 free(global);
231 return ret;
232}
233static char *normalize_value(const char *key, const char *value)
235{
236 char *normalized;
237 if (!value)
239 return NULL;
240 if (types == 0 || types == TYPE_PATH)
242 /*
243 * We don't do normalization for TYPE_PATH here: If
244 * the path is like ~/foobar/, we prefer to store
245 * "~/foobar/" in the config file, and to expand the ~
246 * when retrieving the value.
247 */
248 normalized = xstrdup(value);
249 else {
250 normalized = xmalloc(64);
251 if (types == TYPE_INT) {
252 int v = git_config_int(key, value);
253 sprintf(normalized, "%d", v);
254 }
255 else if (types == TYPE_BOOL)
256 sprintf(normalized, "%s",
257 git_config_bool(key, value) ? "true" : "false");
258 else if (types == TYPE_BOOL_OR_INT) {
259 int is_bool, v;
260 v = git_config_bool_or_int(key, value, &is_bool);
261 if (!is_bool)
262 sprintf(normalized, "%d", v);
263 else
264 sprintf(normalized, "%s", v ? "true" : "false");
265 }
266 }
267 return normalized;
269}
270static int get_color_found;
272static const char *get_color_slot;
273static const char *get_colorbool_slot;
274static char parsed_color[COLOR_MAXLEN];
275static int git_get_color_config(const char *var, const char *value, void *cb)
277{
278 if (!strcmp(var, get_color_slot)) {
279 if (!value)
280 config_error_nonbool(var);
281 color_parse(value, var, parsed_color);
282 get_color_found = 1;
283 }
284 return 0;
285}
286static void get_color(const char *def_color)
288{
289 get_color_found = 0;
290 parsed_color[0] = '\0';
291 git_config(git_get_color_config, NULL);
292 if (!get_color_found && def_color)
294 color_parse(def_color, "command line", parsed_color);
295 fputs(parsed_color, stdout);
297}
298static int stdout_is_tty;
300static int get_colorbool_found;
301static int get_diff_color_found;
302static int git_get_colorbool_config(const char *var, const char *value,
303 void *cb)
304{
305 if (!strcmp(var, get_colorbool_slot)) {
306 get_colorbool_found =
307 git_config_colorbool(var, value, stdout_is_tty);
308 }
309 if (!strcmp(var, "diff.color")) {
310 get_diff_color_found =
311 git_config_colorbool(var, value, stdout_is_tty);
312 }
313 if (!strcmp(var, "color.ui")) {
314 git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
315 return 0;
316 }
317 return 0;
318}
319static int get_colorbool(int print)
321{
322 get_colorbool_found = -1;
323 get_diff_color_found = -1;
324 git_config(git_get_colorbool_config, NULL);
325 if (get_colorbool_found < 0) {
327 if (!strcmp(get_colorbool_slot, "color.diff"))
328 get_colorbool_found = get_diff_color_found;
329 if (get_colorbool_found < 0)
330 get_colorbool_found = git_use_color_default;
331 }
332 if (print) {
334 printf("%s\n", get_colorbool_found ? "true" : "false");
335 return 0;
336 } else
337 return get_colorbool_found ? 0 : 1;
338}
339int cmd_config(int argc, const char **argv, const char *prefix)
341{
342 int nongit = !startup_info->have_repository;
343 char *value;
344 config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
346 argc = parse_options(argc, argv, prefix, builtin_config_options,
348 builtin_config_usage,
349 PARSE_OPT_STOP_AT_NON_OPTION);
350 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
352 error("only one config file at a time.");
353 usage_with_options(builtin_config_usage, builtin_config_options);
354 }
355 if (use_global_config) {
357 char *home = getenv("HOME");
358 if (home) {
359 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
360 config_exclusive_filename = user_config;
361 } else {
362 die("$HOME not set");
363 }
364 }
365 else if (use_system_config)
366 config_exclusive_filename = git_etc_gitconfig();
367 else if (use_local_config)
368 config_exclusive_filename = git_pathdup("config");
369 else if (given_config_file) {
370 if (!is_absolute_path(given_config_file) && prefix)
371 config_exclusive_filename = prefix_filename(prefix,
372 strlen(prefix),
373 given_config_file);
374 else
375 config_exclusive_filename = given_config_file;
376 }
377 if (end_null) {
379 term = '\0';
380 delim = '\n';
381 key_delim = '\n';
382 }
383 if (HAS_MULTI_BITS(types)) {
385 error("only one type at a time.");
386 usage_with_options(builtin_config_usage, builtin_config_options);
387 }
388 if (get_color_slot)
390 actions |= ACTION_GET_COLOR;
391 if (get_colorbool_slot)
392 actions |= ACTION_GET_COLORBOOL;
393 if ((get_color_slot || get_colorbool_slot) && types) {
395 error("--get-color and variable type are incoherent");
396 usage_with_options(builtin_config_usage, builtin_config_options);
397 }
398 if (HAS_MULTI_BITS(actions)) {
400 error("only one action at a time.");
401 usage_with_options(builtin_config_usage, builtin_config_options);
402 }
403 if (actions == 0)
404 switch (argc) {
405 case 1: actions = ACTION_GET; break;
406 case 2: actions = ACTION_SET; break;
407 case 3: actions = ACTION_SET_ALL; break;
408 default:
409 usage_with_options(builtin_config_usage, builtin_config_options);
410 }
411 if (actions == ACTION_LIST) {
413 check_argc(argc, 0, 0);
414 if (git_config(show_all_config, NULL) < 0) {
415 if (config_exclusive_filename)
416 die_errno("unable to read config file '%s'",
417 config_exclusive_filename);
418 else
419 die("error processing config file(s)");
420 }
421 }
422 else if (actions == ACTION_EDIT) {
423 check_argc(argc, 0, 0);
424 if (!config_exclusive_filename && nongit)
425 die("not in a git directory");
426 git_config(git_default_config, NULL);
427 launch_editor(config_exclusive_filename ?
428 config_exclusive_filename : git_path("config"),
429 NULL, NULL);
430 }
431 else if (actions == ACTION_SET) {
432 check_argc(argc, 2, 2);
433 value = normalize_value(argv[0], argv[1]);
434 return git_config_set(argv[0], value);
435 }
436 else if (actions == ACTION_SET_ALL) {
437 check_argc(argc, 2, 3);
438 value = normalize_value(argv[0], argv[1]);
439 return git_config_set_multivar(argv[0], value, argv[2], 0);
440 }
441 else if (actions == ACTION_ADD) {
442 check_argc(argc, 2, 2);
443 value = normalize_value(argv[0], argv[1]);
444 return git_config_set_multivar(argv[0], value, "^$", 0);
445 }
446 else if (actions == ACTION_REPLACE_ALL) {
447 check_argc(argc, 2, 3);
448 value = normalize_value(argv[0], argv[1]);
449 return git_config_set_multivar(argv[0], value, argv[2], 1);
450 }
451 else if (actions == ACTION_GET) {
452 check_argc(argc, 1, 2);
453 return get_value(argv[0], argv[1]);
454 }
455 else if (actions == ACTION_GET_ALL) {
456 do_all = 1;
457 check_argc(argc, 1, 2);
458 return get_value(argv[0], argv[1]);
459 }
460 else if (actions == ACTION_GET_REGEXP) {
461 show_keys = 1;
462 use_key_regexp = 1;
463 do_all = 1;
464 check_argc(argc, 1, 2);
465 return get_value(argv[0], argv[1]);
466 }
467 else if (actions == ACTION_UNSET) {
468 check_argc(argc, 1, 2);
469 if (argc == 2)
470 return git_config_set_multivar(argv[0], NULL, argv[1], 0);
471 else
472 return git_config_set(argv[0], NULL);
473 }
474 else if (actions == ACTION_UNSET_ALL) {
475 check_argc(argc, 1, 2);
476 return git_config_set_multivar(argv[0], NULL, argv[1], 1);
477 }
478 else if (actions == ACTION_RENAME_SECTION) {
479 int ret;
480 check_argc(argc, 2, 2);
481 ret = git_config_rename_section(argv[0], argv[1]);
482 if (ret < 0)
483 return ret;
484 if (ret == 0)
485 die("No such section!");
486 }
487 else if (actions == ACTION_REMOVE_SECTION) {
488 int ret;
489 check_argc(argc, 1, 1);
490 ret = git_config_rename_section(argv[0], NULL);
491 if (ret < 0)
492 return ret;
493 if (ret == 0)
494 die("No such section!");
495 }
496 else if (actions == ACTION_GET_COLOR) {
497 get_color(argv[0]);
498 }
499 else if (actions == ACTION_GET_COLORBOOL) {
500 if (argc == 1)
501 stdout_is_tty = git_config_bool("command line", argv[0]);
502 else if (argc == 0)
503 stdout_is_tty = isatty(1);
504 return get_colorbool(argc != 0);
505 }
506 return 0;
508}