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 = -1;
164 char *global = NULL, *xdg = 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 local = repo_config = git_pathdup("config");
173 if (git_config_system())
174 system_wide = git_etc_gitconfig();
175 home_config_paths(&global, &xdg, "config");
176 }
177 if (use_key_regexp) {
179 char *tl;
180 /*
182 * NEEDSWORK: this naive pattern lowercasing obviously does not
183 * work for more complex patterns like "^[^.]*Foo.*bar".
184 * Perhaps we should deprecate this altogether someday.
185 */
186 key = xstrdup(key_);
188 for (tl = key + strlen(key) - 1;
189 tl >= key && *tl != '.';
190 tl--)
191 *tl = tolower(*tl);
192 for (tl = key; *tl && *tl != '.'; tl++)
193 *tl = tolower(*tl);
194 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
196 if (regcomp(key_regexp, key, REG_EXTENDED)) {
197 fprintf(stderr, "Invalid key pattern: %s\n", key_);
198 free(key);
199 goto free_strings;
200 }
201 } else {
202 if (git_config_parse_key(key_, &key, NULL))
203 goto free_strings;
204 }
205 if (regex_) {
207 if (regex_[0] == '!') {
208 do_not_match = 1;
209 regex_++;
210 }
211 regexp = (regex_t*)xmalloc(sizeof(regex_t));
213 if (regcomp(regexp, regex_, REG_EXTENDED)) {
214 fprintf(stderr, "Invalid pattern: %s\n", regex_);
215 goto free_strings;
216 }
217 }
218 fn = show_config;
220 data = NULL;
221 if (respect_includes) {
222 inc.fn = fn;
223 inc.data = data;
224 fn = git_config_include;
225 data = &inc;
226 }
227 if (do_all && system_wide)
229 git_config_from_file(fn, system_wide, data);
230 if (do_all && xdg)
231 git_config_from_file(fn, xdg, data);
232 if (do_all && global)
233 git_config_from_file(fn, global, data);
234 if (do_all)
235 git_config_from_file(fn, local, data);
236 git_config_from_parameters(fn, data);
237 if (!do_all && !seen)
238 git_config_from_file(fn, local, data);
239 if (!do_all && !seen && global)
240 git_config_from_file(fn, global, data);
241 if (!do_all && !seen && xdg)
242 git_config_from_file(fn, xdg, data);
243 if (!do_all && !seen && system_wide)
244 git_config_from_file(fn, system_wide, data);
245 free(key);
247 if (regexp) {
248 regfree(regexp);
249 free(regexp);
250 }
251 if (do_all)
253 ret = !seen;
254 else
255 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
256free_strings:
258 free(repo_config);
259 free(global);
260 free(xdg);
261 return ret;
262}
263static char *normalize_value(const char *key, const char *value)
265{
266 char *normalized;
267 if (!value)
269 return NULL;
270 if (types == 0 || types == TYPE_PATH)
272 /*
273 * We don't do normalization for TYPE_PATH here: If
274 * the path is like ~/foobar/, we prefer to store
275 * "~/foobar/" in the config file, and to expand the ~
276 * when retrieving the value.
277 */
278 normalized = xstrdup(value);
279 else {
280 normalized = xmalloc(64);
281 if (types == TYPE_INT) {
282 int v = git_config_int(key, value);
283 sprintf(normalized, "%d", v);
284 }
285 else if (types == TYPE_BOOL)
286 sprintf(normalized, "%s",
287 git_config_bool(key, value) ? "true" : "false");
288 else if (types == TYPE_BOOL_OR_INT) {
289 int is_bool, v;
290 v = git_config_bool_or_int(key, value, &is_bool);
291 if (!is_bool)
292 sprintf(normalized, "%d", v);
293 else
294 sprintf(normalized, "%s", v ? "true" : "false");
295 }
296 }
297 return normalized;
299}
300static int get_color_found;
302static const char *get_color_slot;
303static const char *get_colorbool_slot;
304static char parsed_color[COLOR_MAXLEN];
305static int git_get_color_config(const char *var, const char *value, void *cb)
307{
308 if (!strcmp(var, get_color_slot)) {
309 if (!value)
310 config_error_nonbool(var);
311 color_parse(value, var, parsed_color);
312 get_color_found = 1;
313 }
314 return 0;
315}
316static void get_color(const char *def_color)
318{
319 get_color_found = 0;
320 parsed_color[0] = '\0';
321 git_config_with_options(git_get_color_config, NULL,
322 given_config_file, respect_includes);
323 if (!get_color_found && def_color)
325 color_parse(def_color, "command line", parsed_color);
326 fputs(parsed_color, stdout);
328}
329static int get_colorbool_found;
331static int get_diff_color_found;
332static int get_color_ui_found;
333static int git_get_colorbool_config(const char *var, const char *value,
334 void *cb)
335{
336 if (!strcmp(var, get_colorbool_slot))
337 get_colorbool_found = git_config_colorbool(var, value);
338 else if (!strcmp(var, "diff.color"))
339 get_diff_color_found = git_config_colorbool(var, value);
340 else if (!strcmp(var, "color.ui"))
341 get_color_ui_found = git_config_colorbool(var, value);
342 return 0;
343}
344static int get_colorbool(int print)
346{
347 get_colorbool_found = -1;
348 get_diff_color_found = -1;
349 git_config_with_options(git_get_colorbool_config, NULL,
350 given_config_file, respect_includes);
351 if (get_colorbool_found < 0) {
353 if (!strcmp(get_colorbool_slot, "color.diff"))
354 get_colorbool_found = get_diff_color_found;
355 if (get_colorbool_found < 0)
356 get_colorbool_found = get_color_ui_found;
357 }
358 get_colorbool_found = want_color(get_colorbool_found);
360 if (print) {
362 printf("%s\n", get_colorbool_found ? "true" : "false");
363 return 0;
364 } else
365 return get_colorbool_found ? 0 : 1;
366}
367int cmd_config(int argc, const char **argv, const char *prefix)
369{
370 int nongit = !startup_info->have_repository;
371 char *value;
372 given_config_file = getenv(CONFIG_ENVIRONMENT);
374 argc = parse_options(argc, argv, prefix, builtin_config_options,
376 builtin_config_usage,
377 PARSE_OPT_STOP_AT_NON_OPTION);
378 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
380 error("only one config file at a time.");
381 usage_with_options(builtin_config_usage, builtin_config_options);
382 }
383 if (use_global_config) {
385 char *user_config = NULL;
386 char *xdg_config = NULL;
387 home_config_paths(&user_config, &xdg_config, "config");
389 if (!user_config)
391 /*
392 * It is unknown if HOME/.gitconfig exists, so
393 * we do not know if we should write to XDG
394 * location; error out even if XDG_CONFIG_HOME
395 * is set and points at a sane location.
396 */
397 die("$HOME not set");
398 if (access(user_config, R_OK) &&
400 xdg_config && !access(xdg_config, R_OK))
401 given_config_file = xdg_config;
402 else
403 given_config_file = user_config;
404 }
405 else if (use_system_config)
406 given_config_file = git_etc_gitconfig();
407 else if (use_local_config)
408 given_config_file = git_pathdup("config");
409 else if (given_config_file) {
410 if (!is_absolute_path(given_config_file) && prefix)
411 given_config_file =
412 xstrdup(prefix_filename(prefix,
413 strlen(prefix),
414 given_config_file));
415 }
416 if (respect_includes == -1)
418 respect_includes = !given_config_file;
419 if (end_null) {
421 term = '\0';
422 delim = '\n';
423 key_delim = '\n';
424 }
425 if (HAS_MULTI_BITS(types)) {
427 error("only one type at a time.");
428 usage_with_options(builtin_config_usage, builtin_config_options);
429 }
430 if (get_color_slot)
432 actions |= ACTION_GET_COLOR;
433 if (get_colorbool_slot)
434 actions |= ACTION_GET_COLORBOOL;
435 if ((get_color_slot || get_colorbool_slot) && types) {
437 error("--get-color and variable type are incoherent");
438 usage_with_options(builtin_config_usage, builtin_config_options);
439 }
440 if (HAS_MULTI_BITS(actions)) {
442 error("only one action at a time.");
443 usage_with_options(builtin_config_usage, builtin_config_options);
444 }
445 if (actions == 0)
446 switch (argc) {
447 case 1: actions = ACTION_GET; break;
448 case 2: actions = ACTION_SET; break;
449 case 3: actions = ACTION_SET_ALL; break;
450 default:
451 usage_with_options(builtin_config_usage, builtin_config_options);
452 }
453 if (actions == ACTION_LIST) {
455 check_argc(argc, 0, 0);
456 if (git_config_with_options(show_all_config, NULL,
457 given_config_file,
458 respect_includes) < 0) {
459 if (given_config_file)
460 die_errno("unable to read config file '%s'",
461 given_config_file);
462 else
463 die("error processing config file(s)");
464 }
465 }
466 else if (actions == ACTION_EDIT) {
467 check_argc(argc, 0, 0);
468 if (!given_config_file && nongit)
469 die("not in a git directory");
470 git_config(git_default_config, NULL);
471 launch_editor(given_config_file ?
472 given_config_file : git_path("config"),
473 NULL, NULL);
474 }
475 else if (actions == ACTION_SET) {
476 int ret;
477 check_argc(argc, 2, 2);
478 value = normalize_value(argv[0], argv[1]);
479 ret = git_config_set_in_file(given_config_file, argv[0], value);
480 if (ret == CONFIG_NOTHING_SET)
481 error("cannot overwrite multiple values with a single value\n"
482 " Use a regexp, --add or --replace-all to change %s.", argv[0]);
483 return ret;
484 }
485 else if (actions == ACTION_SET_ALL) {
486 check_argc(argc, 2, 3);
487 value = normalize_value(argv[0], argv[1]);
488 return git_config_set_multivar_in_file(given_config_file,
489 argv[0], value, argv[2], 0);
490 }
491 else if (actions == ACTION_ADD) {
492 check_argc(argc, 2, 2);
493 value = normalize_value(argv[0], argv[1]);
494 return git_config_set_multivar_in_file(given_config_file,
495 argv[0], value, "^$", 0);
496 }
497 else if (actions == ACTION_REPLACE_ALL) {
498 check_argc(argc, 2, 3);
499 value = normalize_value(argv[0], argv[1]);
500 return git_config_set_multivar_in_file(given_config_file,
501 argv[0], value, argv[2], 1);
502 }
503 else if (actions == ACTION_GET) {
504 check_argc(argc, 1, 2);
505 return get_value(argv[0], argv[1]);
506 }
507 else if (actions == ACTION_GET_ALL) {
508 do_all = 1;
509 check_argc(argc, 1, 2);
510 return get_value(argv[0], argv[1]);
511 }
512 else if (actions == ACTION_GET_REGEXP) {
513 show_keys = 1;
514 use_key_regexp = 1;
515 do_all = 1;
516 check_argc(argc, 1, 2);
517 return get_value(argv[0], argv[1]);
518 }
519 else if (actions == ACTION_UNSET) {
520 check_argc(argc, 1, 2);
521 if (argc == 2)
522 return git_config_set_multivar_in_file(given_config_file,
523 argv[0], NULL, argv[1], 0);
524 else
525 return git_config_set_in_file(given_config_file,
526 argv[0], NULL);
527 }
528 else if (actions == ACTION_UNSET_ALL) {
529 check_argc(argc, 1, 2);
530 return git_config_set_multivar_in_file(given_config_file,
531 argv[0], NULL, argv[1], 1);
532 }
533 else if (actions == ACTION_RENAME_SECTION) {
534 int ret;
535 check_argc(argc, 2, 2);
536 ret = git_config_rename_section_in_file(given_config_file,
537 argv[0], argv[1]);
538 if (ret < 0)
539 return ret;
540 if (ret == 0)
541 die("No such section!");
542 }
543 else if (actions == ACTION_REMOVE_SECTION) {
544 int ret;
545 check_argc(argc, 1, 1);
546 ret = git_config_rename_section_in_file(given_config_file,
547 argv[0], NULL);
548 if (ret < 0)
549 return ret;
550 if (ret == 0)
551 die("No such section!");
552 }
553 else if (actions == ACTION_GET_COLOR) {
554 get_color(argv[0]);
555 }
556 else if (actions == ACTION_GET_COLORBOOL) {
557 if (argc == 1)
558 color_stdout_is_tty = git_config_bool("command line", argv[0]);
559 return get_colorbool(argc != 0);
560 }
561 return 0;
563}
564int cmd_repo_config(int argc, const char **argv, const char *prefix)
566{
567 fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
568 return cmd_config(argc, argv, prefix);
569}