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;
28static int respect_includes = -1;
29#define ACTION_GET (1<<0)
31#define ACTION_GET_ALL (1<<1)
32#define ACTION_GET_REGEXP (1<<2)
33#define ACTION_REPLACE_ALL (1<<3)
34#define ACTION_ADD (1<<4)
35#define ACTION_UNSET (1<<5)
36#define ACTION_UNSET_ALL (1<<6)
37#define ACTION_RENAME_SECTION (1<<7)
38#define ACTION_REMOVE_SECTION (1<<8)
39#define ACTION_LIST (1<<9)
40#define ACTION_EDIT (1<<10)
41#define ACTION_SET (1<<11)
42#define ACTION_SET_ALL (1<<12)
43#define ACTION_GET_COLOR (1<<13)
44#define ACTION_GET_COLORBOOL (1<<14)
45#define TYPE_BOOL (1<<0)
47#define TYPE_INT (1<<1)
48#define TYPE_BOOL_OR_INT (1<<2)
49#define TYPE_PATH (1<<3)
50static struct option builtin_config_options[] = {
52 OPT_GROUP("Config file location"),
53 OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
54 OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
55 OPT_BOOLEAN(0, "local", &use_local_config, "use repository config file"),
56 OPT_STRING('f', "file", &given_config_file, "file", "use given config file"),
57 OPT_GROUP("Action"),
58 OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
59 OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
60 OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
61 OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
62 OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
63 OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
64 OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
65 OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
66 OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
67 OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
68 OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
69 OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
70 OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
71 OPT_GROUP("Type"),
72 OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
73 OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
74 OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
75 OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
76 OPT_GROUP("Other"),
77 OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
78 OPT_BOOL(0, "includes", &respect_includes, "respect include directives on lookup"),
79 OPT_END(),
80};
81static void check_argc(int argc, int min, int max) {
83 if (argc >= min && argc <= max)
84 return;
85 error("wrong number of arguments");
86 usage_with_options(builtin_config_usage, builtin_config_options);
87}
88static int show_all_config(const char *key_, const char *value_, void *cb)
90{
91 if (value_)
92 printf("%s%c%s%c", key_, delim, value_, term);
93 else
94 printf("%s%c", key_, term);
95 return 0;
96}
97static int show_config(const char *key_, const char *value_, void *cb)
99{
100 char value[256];
101 const char *vptr = value;
102 int must_free_vptr = 0;
103 int dup_error = 0;
104 int must_print_delim = 0;
105 if (!use_key_regexp && strcmp(key_, key))
107 return 0;
108 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
109 return 0;
110 if (regexp != NULL &&
111 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
112 return 0;
113 if (show_keys) {
115 printf("%s", key_);
116 must_print_delim = 1;
117 }
118 if (seen && !do_all)
119 dup_error = 1;
120 if (types == TYPE_INT)
121 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
122 else if (types == TYPE_BOOL)
123 vptr = git_config_bool(key_, value_) ? "true" : "false";
124 else if (types == TYPE_BOOL_OR_INT) {
125 int is_bool, v;
126 v = git_config_bool_or_int(key_, value_, &is_bool);
127 if (is_bool)
128 vptr = v ? "true" : "false";
129 else
130 sprintf(value, "%d", v);
131 } else if (types == TYPE_PATH) {
132 git_config_pathname(&vptr, key_, value_);
133 must_free_vptr = 1;
134 } else if (value_) {
135 vptr = value_;
136 } else {
137 /* Just show the key name */
138 vptr = "";
139 must_print_delim = 0;
140 }
141 seen++;
142 if (dup_error) {
143 error("More than one value for the key %s: %s",
144 key_, vptr);
145 }
146 else {
147 if (must_print_delim)
148 printf("%c", key_delim);
149 printf("%s%c", vptr, term);
150 }
151 if (must_free_vptr)
152 /* If vptr must be freed, it's a pointer to a
153 * dynamically allocated buffer, it's safe to cast to
154 * const.
155 */
156 free((char *)vptr);
157 return 0;
159}
160static int get_value(const char *key_, const char *regex_)
162{
163 int ret = CONFIG_GENERIC_ERROR;
164 char *global = NULL, *repo_config = NULL;
165 const char *system_wide = NULL, *local;
166 struct config_include_data inc = CONFIG_INCLUDE_INIT;
167 config_fn_t fn;
168 void *data;
169 local = given_config_file;
171 if (!local) {
172 const char *home = getenv("HOME");
173 local = repo_config = git_pathdup("config");
174 if (home)
175 global = xstrdup(mkpath("%s/.gitconfig", home));
176 if (git_config_system())
177 system_wide = git_etc_gitconfig();
178 }
179 if (use_key_regexp) {
181 char *tl;
182 /*
184 * NEEDSWORK: this naive pattern lowercasing obviously does not
185 * work for more complex patterns like "^[^.]*Foo.*bar".
186 * Perhaps we should deprecate this altogether someday.
187 */
188 key = xstrdup(key_);
190 for (tl = key + strlen(key) - 1;
191 tl >= key && *tl != '.';
192 tl--)
193 *tl = tolower(*tl);
194 for (tl = key; *tl && *tl != '.'; tl++)
195 *tl = tolower(*tl);
196 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
198 if (regcomp(key_regexp, key, REG_EXTENDED)) {
199 fprintf(stderr, "Invalid key pattern: %s\n", key_);
200 free(key);
201 ret = CONFIG_INVALID_PATTERN;
202 goto free_strings;
203 }
204 } else {
205 if (git_config_parse_key(key_, &key, NULL)) {
206 ret = CONFIG_INVALID_KEY;
207 goto free_strings;
208 }
209 }
210 if (regex_) {
212 if (regex_[0] == '!') {
213 do_not_match = 1;
214 regex_++;
215 }
216 regexp = (regex_t*)xmalloc(sizeof(regex_t));
218 if (regcomp(regexp, regex_, REG_EXTENDED)) {
219 fprintf(stderr, "Invalid pattern: %s\n", regex_);
220 ret = CONFIG_INVALID_PATTERN;
221 goto free_strings;
222 }
223 }
224 fn = show_config;
226 data = NULL;
227 if (respect_includes) {
228 inc.fn = fn;
229 inc.data = data;
230 fn = git_config_include;
231 data = &inc;
232 }
233 if (do_all && system_wide)
235 git_config_from_file(fn, system_wide, data);
236 if (do_all && global)
237 git_config_from_file(fn, global, data);
238 if (do_all)
239 git_config_from_file(fn, local, data);
240 git_config_from_parameters(fn, data);
241 if (!do_all && !seen)
242 git_config_from_file(fn, local, data);
243 if (!do_all && !seen && global)
244 git_config_from_file(fn, global, data);
245 if (!do_all && !seen && system_wide)
246 git_config_from_file(fn, system_wide, data);
247 free(key);
249 if (regexp) {
250 regfree(regexp);
251 free(regexp);
252 }
253 if (do_all)
255 ret = !seen;
256 else
257 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
258free_strings:
260 free(repo_config);
261 free(global);
262 return ret;
263}
264static char *normalize_value(const char *key, const char *value)
266{
267 char *normalized;
268 if (!value)
270 return NULL;
271 if (types == 0 || types == TYPE_PATH)
273 /*
274 * We don't do normalization for TYPE_PATH here: If
275 * the path is like ~/foobar/, we prefer to store
276 * "~/foobar/" in the config file, and to expand the ~
277 * when retrieving the value.
278 */
279 normalized = xstrdup(value);
280 else {
281 normalized = xmalloc(64);
282 if (types == TYPE_INT) {
283 int v = git_config_int(key, value);
284 sprintf(normalized, "%d", v);
285 }
286 else if (types == TYPE_BOOL)
287 sprintf(normalized, "%s",
288 git_config_bool(key, value) ? "true" : "false");
289 else if (types == TYPE_BOOL_OR_INT) {
290 int is_bool, v;
291 v = git_config_bool_or_int(key, value, &is_bool);
292 if (!is_bool)
293 sprintf(normalized, "%d", v);
294 else
295 sprintf(normalized, "%s", v ? "true" : "false");
296 }
297 }
298 return normalized;
300}
301static int get_color_found;
303static const char *get_color_slot;
304static const char *get_colorbool_slot;
305static char parsed_color[COLOR_MAXLEN];
306static int git_get_color_config(const char *var, const char *value, void *cb)
308{
309 if (!strcmp(var, get_color_slot)) {
310 if (!value)
311 config_error_nonbool(var);
312 color_parse(value, var, parsed_color);
313 get_color_found = 1;
314 }
315 return 0;
316}
317static void get_color(const char *def_color)
319{
320 get_color_found = 0;
321 parsed_color[0] = '\0';
322 git_config_with_options(git_get_color_config, NULL,
323 given_config_file, respect_includes);
324 if (!get_color_found && def_color)
326 color_parse(def_color, "command line", parsed_color);
327 fputs(parsed_color, stdout);
329}
330static int get_colorbool_found;
332static int get_diff_color_found;
333static int get_color_ui_found;
334static int git_get_colorbool_config(const char *var, const char *value,
335 void *cb)
336{
337 if (!strcmp(var, get_colorbool_slot))
338 get_colorbool_found = git_config_colorbool(var, value);
339 else if (!strcmp(var, "diff.color"))
340 get_diff_color_found = git_config_colorbool(var, value);
341 else if (!strcmp(var, "color.ui"))
342 get_color_ui_found = git_config_colorbool(var, value);
343 return 0;
344}
345static int get_colorbool(int print)
347{
348 get_colorbool_found = -1;
349 get_diff_color_found = -1;
350 git_config_with_options(git_get_colorbool_config, NULL,
351 given_config_file, respect_includes);
352 if (get_colorbool_found < 0) {
354 if (!strcmp(get_colorbool_slot, "color.diff"))
355 get_colorbool_found = get_diff_color_found;
356 if (get_colorbool_found < 0)
357 get_colorbool_found = get_color_ui_found;
358 }
359 get_colorbool_found = want_color(get_colorbool_found);
361 if (print) {
363 printf("%s\n", get_colorbool_found ? "true" : "false");
364 return 0;
365 } else
366 return get_colorbool_found ? 0 : 1;
367}
368int cmd_config(int argc, const char **argv, const char *prefix)
370{
371 int nongit = !startup_info->have_repository;
372 char *value;
373 given_config_file = getenv(CONFIG_ENVIRONMENT);
375 argc = parse_options(argc, argv, prefix, builtin_config_options,
377 builtin_config_usage,
378 PARSE_OPT_STOP_AT_NON_OPTION);
379 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
381 error("only one config file at a time.");
382 usage_with_options(builtin_config_usage, builtin_config_options);
383 }
384 if (use_global_config) {
386 char *home = getenv("HOME");
387 if (home) {
388 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
389 given_config_file = user_config;
390 } else {
391 die("$HOME not set");
392 }
393 }
394 else if (use_system_config)
395 given_config_file = git_etc_gitconfig();
396 else if (use_local_config)
397 given_config_file = git_pathdup("config");
398 else if (given_config_file) {
399 if (!is_absolute_path(given_config_file) && prefix)
400 given_config_file =
401 xstrdup(prefix_filename(prefix,
402 strlen(prefix),
403 given_config_file));
404 }
405 if (respect_includes == -1)
407 respect_includes = !given_config_file;
408 if (end_null) {
410 term = '\0';
411 delim = '\n';
412 key_delim = '\n';
413 }
414 if (HAS_MULTI_BITS(types)) {
416 error("only one type at a time.");
417 usage_with_options(builtin_config_usage, builtin_config_options);
418 }
419 if (get_color_slot)
421 actions |= ACTION_GET_COLOR;
422 if (get_colorbool_slot)
423 actions |= ACTION_GET_COLORBOOL;
424 if ((get_color_slot || get_colorbool_slot) && types) {
426 error("--get-color and variable type are incoherent");
427 usage_with_options(builtin_config_usage, builtin_config_options);
428 }
429 if (HAS_MULTI_BITS(actions)) {
431 error("only one action at a time.");
432 usage_with_options(builtin_config_usage, builtin_config_options);
433 }
434 if (actions == 0)
435 switch (argc) {
436 case 1: actions = ACTION_GET; break;
437 case 2: actions = ACTION_SET; break;
438 case 3: actions = ACTION_SET_ALL; break;
439 default:
440 usage_with_options(builtin_config_usage, builtin_config_options);
441 }
442 if (actions == ACTION_LIST) {
444 check_argc(argc, 0, 0);
445 if (git_config_with_options(show_all_config, NULL,
446 given_config_file,
447 respect_includes) < 0) {
448 if (given_config_file)
449 die_errno("unable to read config file '%s'",
450 given_config_file);
451 else
452 die("error processing config file(s)");
453 }
454 }
455 else if (actions == ACTION_EDIT) {
456 check_argc(argc, 0, 0);
457 if (!given_config_file && nongit)
458 die("not in a git directory");
459 git_config(git_default_config, NULL);
460 launch_editor(given_config_file ?
461 given_config_file : git_path("config"),
462 NULL, NULL);
463 }
464 else if (actions == ACTION_SET) {
465 int ret;
466 check_argc(argc, 2, 2);
467 value = normalize_value(argv[0], argv[1]);
468 ret = git_config_set_in_file(given_config_file, argv[0], value);
469 if (ret == CONFIG_NOTHING_SET)
470 error("cannot overwrite multiple values with a single value\n"
471 " Use a regexp, --add or --replace-all to change %s.", argv[0]);
472 return ret;
473 }
474 else if (actions == ACTION_SET_ALL) {
475 check_argc(argc, 2, 3);
476 value = normalize_value(argv[0], argv[1]);
477 return git_config_set_multivar_in_file(given_config_file,
478 argv[0], value, argv[2], 0);
479 }
480 else if (actions == ACTION_ADD) {
481 check_argc(argc, 2, 2);
482 value = normalize_value(argv[0], argv[1]);
483 return git_config_set_multivar_in_file(given_config_file,
484 argv[0], value, "^$", 0);
485 }
486 else if (actions == ACTION_REPLACE_ALL) {
487 check_argc(argc, 2, 3);
488 value = normalize_value(argv[0], argv[1]);
489 return git_config_set_multivar_in_file(given_config_file,
490 argv[0], value, argv[2], 1);
491 }
492 else if (actions == ACTION_GET) {
493 check_argc(argc, 1, 2);
494 return get_value(argv[0], argv[1]);
495 }
496 else if (actions == ACTION_GET_ALL) {
497 do_all = 1;
498 check_argc(argc, 1, 2);
499 return get_value(argv[0], argv[1]);
500 }
501 else if (actions == ACTION_GET_REGEXP) {
502 show_keys = 1;
503 use_key_regexp = 1;
504 do_all = 1;
505 check_argc(argc, 1, 2);
506 return get_value(argv[0], argv[1]);
507 }
508 else if (actions == ACTION_UNSET) {
509 check_argc(argc, 1, 2);
510 if (argc == 2)
511 return git_config_set_multivar_in_file(given_config_file,
512 argv[0], NULL, argv[1], 0);
513 else
514 return git_config_set_in_file(given_config_file,
515 argv[0], NULL);
516 }
517 else if (actions == ACTION_UNSET_ALL) {
518 check_argc(argc, 1, 2);
519 return git_config_set_multivar_in_file(given_config_file,
520 argv[0], NULL, argv[1], 1);
521 }
522 else if (actions == ACTION_RENAME_SECTION) {
523 int ret;
524 check_argc(argc, 2, 2);
525 ret = git_config_rename_section_in_file(given_config_file,
526 argv[0], argv[1]);
527 if (ret < 0)
528 return ret;
529 if (ret == 0)
530 die("No such section!");
531 }
532 else if (actions == ACTION_REMOVE_SECTION) {
533 int ret;
534 check_argc(argc, 1, 1);
535 ret = git_config_rename_section_in_file(given_config_file,
536 argv[0], NULL);
537 if (ret < 0)
538 return ret;
539 if (ret == 0)
540 die("No such section!");
541 }
542 else if (actions == ACTION_GET_COLOR) {
543 get_color(argv[0]);
544 }
545 else if (actions == ACTION_GET_COLORBOOL) {
546 if (argc == 1)
547 color_stdout_is_tty = git_config_bool("command line", argv[0]);
548 return get_colorbool(argc != 0);
549 }
550 return 0;
552}
553int cmd_repo_config(int argc, const char **argv, const char *prefix)
555{
556 fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
557 return cmd_config(argc, argv, prefix);
558}