ccbb13add2b80e39ef806d352850d85e1f73f819
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 *global = NULL, *repo_config = NULL;
163 const char *system_wide = NULL, *local;
164 local = given_config_file;
166 if (!local) {
167 const char *home = getenv("HOME");
168 local = repo_config = git_pathdup("config");
169 if (home)
170 global = xstrdup(mkpath("%s/.gitconfig", home));
171 if (git_config_system())
172 system_wide = git_etc_gitconfig();
173 }
174 if (use_key_regexp) {
176 char *tl;
177 /*
179 * NEEDSWORK: this naive pattern lowercasing obviously does not
180 * work for more complex patterns like "^[^.]*Foo.*bar".
181 * Perhaps we should deprecate this altogether someday.
182 */
183 key = xstrdup(key_);
185 for (tl = key + strlen(key) - 1;
186 tl >= key && *tl != '.';
187 tl--)
188 *tl = tolower(*tl);
189 for (tl = key; *tl && *tl != '.'; tl++)
190 *tl = tolower(*tl);
191 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
193 if (regcomp(key_regexp, key, REG_EXTENDED)) {
194 fprintf(stderr, "Invalid key pattern: %s\n", key_);
195 free(key);
196 goto free_strings;
197 }
198 } else {
199 if (git_config_parse_key(key_, &key, NULL))
200 goto free_strings;
201 }
202 if (regex_) {
204 if (regex_[0] == '!') {
205 do_not_match = 1;
206 regex_++;
207 }
208 regexp = (regex_t*)xmalloc(sizeof(regex_t));
210 if (regcomp(regexp, regex_, REG_EXTENDED)) {
211 fprintf(stderr, "Invalid pattern: %s\n", regex_);
212 goto free_strings;
213 }
214 }
215 if (do_all && system_wide)
217 git_config_from_file(show_config, system_wide, NULL);
218 if (do_all && global)
219 git_config_from_file(show_config, global, NULL);
220 if (do_all)
221 git_config_from_file(show_config, local, NULL);
222 git_config_from_parameters(show_config, NULL);
223 if (!do_all && !seen)
224 git_config_from_file(show_config, local, NULL);
225 if (!do_all && !seen && global)
226 git_config_from_file(show_config, global, NULL);
227 if (!do_all && !seen && system_wide)
228 git_config_from_file(show_config, system_wide, NULL);
229 free(key);
231 if (regexp) {
232 regfree(regexp);
233 free(regexp);
234 }
235 if (do_all)
237 ret = !seen;
238 else
239 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
240free_strings:
242 free(repo_config);
243 free(global);
244 return ret;
245}
246static char *normalize_value(const char *key, const char *value)
248{
249 char *normalized;
250 if (!value)
252 return NULL;
253 if (types == 0 || types == TYPE_PATH)
255 /*
256 * We don't do normalization for TYPE_PATH here: If
257 * the path is like ~/foobar/, we prefer to store
258 * "~/foobar/" in the config file, and to expand the ~
259 * when retrieving the value.
260 */
261 normalized = xstrdup(value);
262 else {
263 normalized = xmalloc(64);
264 if (types == TYPE_INT) {
265 int v = git_config_int(key, value);
266 sprintf(normalized, "%d", v);
267 }
268 else if (types == TYPE_BOOL)
269 sprintf(normalized, "%s",
270 git_config_bool(key, value) ? "true" : "false");
271 else if (types == TYPE_BOOL_OR_INT) {
272 int is_bool, v;
273 v = git_config_bool_or_int(key, value, &is_bool);
274 if (!is_bool)
275 sprintf(normalized, "%d", v);
276 else
277 sprintf(normalized, "%s", v ? "true" : "false");
278 }
279 }
280 return normalized;
282}
283static int get_color_found;
285static const char *get_color_slot;
286static const char *get_colorbool_slot;
287static char parsed_color[COLOR_MAXLEN];
288static int git_get_color_config(const char *var, const char *value, void *cb)
290{
291 if (!strcmp(var, get_color_slot)) {
292 if (!value)
293 config_error_nonbool(var);
294 color_parse(value, var, parsed_color);
295 get_color_found = 1;
296 }
297 return 0;
298}
299static void get_color(const char *def_color)
301{
302 get_color_found = 0;
303 parsed_color[0] = '\0';
304 git_config_with_options(git_get_color_config, NULL,
305 given_config_file);
306 if (!get_color_found && def_color)
308 color_parse(def_color, "command line", parsed_color);
309 fputs(parsed_color, stdout);
311}
312static int get_colorbool_found;
314static int get_diff_color_found;
315static int get_color_ui_found;
316static int git_get_colorbool_config(const char *var, const char *value,
317 void *cb)
318{
319 if (!strcmp(var, get_colorbool_slot))
320 get_colorbool_found = git_config_colorbool(var, value);
321 else if (!strcmp(var, "diff.color"))
322 get_diff_color_found = git_config_colorbool(var, value);
323 else if (!strcmp(var, "color.ui"))
324 get_color_ui_found = git_config_colorbool(var, value);
325 return 0;
326}
327static int get_colorbool(int print)
329{
330 get_colorbool_found = -1;
331 get_diff_color_found = -1;
332 git_config_with_options(git_get_colorbool_config, NULL,
333 given_config_file);
334 if (get_colorbool_found < 0) {
336 if (!strcmp(get_colorbool_slot, "color.diff"))
337 get_colorbool_found = get_diff_color_found;
338 if (get_colorbool_found < 0)
339 get_colorbool_found = get_color_ui_found;
340 }
341 get_colorbool_found = want_color(get_colorbool_found);
343 if (print) {
345 printf("%s\n", get_colorbool_found ? "true" : "false");
346 return 0;
347 } else
348 return get_colorbool_found ? 0 : 1;
349}
350int cmd_config(int argc, const char **argv, const char *prefix)
352{
353 int nongit = !startup_info->have_repository;
354 char *value;
355 given_config_file = getenv(CONFIG_ENVIRONMENT);
357 argc = parse_options(argc, argv, prefix, builtin_config_options,
359 builtin_config_usage,
360 PARSE_OPT_STOP_AT_NON_OPTION);
361 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
363 error("only one config file at a time.");
364 usage_with_options(builtin_config_usage, builtin_config_options);
365 }
366 if (use_global_config) {
368 char *home = getenv("HOME");
369 if (home) {
370 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
371 given_config_file = user_config;
372 } else {
373 die("$HOME not set");
374 }
375 }
376 else if (use_system_config)
377 given_config_file = git_etc_gitconfig();
378 else if (use_local_config)
379 given_config_file = git_pathdup("config");
380 else if (given_config_file) {
381 if (!is_absolute_path(given_config_file) && prefix)
382 given_config_file =
383 xstrdup(prefix_filename(prefix,
384 strlen(prefix),
385 given_config_file));
386 else
387 given_config_file = given_config_file;
388 }
389 if (end_null) {
391 term = '\0';
392 delim = '\n';
393 key_delim = '\n';
394 }
395 if (HAS_MULTI_BITS(types)) {
397 error("only one type at a time.");
398 usage_with_options(builtin_config_usage, builtin_config_options);
399 }
400 if (get_color_slot)
402 actions |= ACTION_GET_COLOR;
403 if (get_colorbool_slot)
404 actions |= ACTION_GET_COLORBOOL;
405 if ((get_color_slot || get_colorbool_slot) && types) {
407 error("--get-color and variable type are incoherent");
408 usage_with_options(builtin_config_usage, builtin_config_options);
409 }
410 if (HAS_MULTI_BITS(actions)) {
412 error("only one action at a time.");
413 usage_with_options(builtin_config_usage, builtin_config_options);
414 }
415 if (actions == 0)
416 switch (argc) {
417 case 1: actions = ACTION_GET; break;
418 case 2: actions = ACTION_SET; break;
419 case 3: actions = ACTION_SET_ALL; break;
420 default:
421 usage_with_options(builtin_config_usage, builtin_config_options);
422 }
423 if (actions == ACTION_LIST) {
425 check_argc(argc, 0, 0);
426 if (git_config_with_options(show_all_config, NULL,
427 given_config_file) < 0) {
428 if (given_config_file)
429 die_errno("unable to read config file '%s'",
430 given_config_file);
431 else
432 die("error processing config file(s)");
433 }
434 }
435 else if (actions == ACTION_EDIT) {
436 check_argc(argc, 0, 0);
437 if (!given_config_file && nongit)
438 die("not in a git directory");
439 git_config(git_default_config, NULL);
440 launch_editor(given_config_file ?
441 given_config_file : git_path("config"),
442 NULL, NULL);
443 }
444 else if (actions == ACTION_SET) {
445 int ret;
446 check_argc(argc, 2, 2);
447 value = normalize_value(argv[0], argv[1]);
448 ret = git_config_set_in_file(given_config_file, argv[0], value);
449 if (ret == CONFIG_NOTHING_SET)
450 error("cannot overwrite multiple values with a single value\n"
451 " Use a regexp, --add or --replace-all to change %s.", argv[0]);
452 return ret;
453 }
454 else if (actions == ACTION_SET_ALL) {
455 check_argc(argc, 2, 3);
456 value = normalize_value(argv[0], argv[1]);
457 return git_config_set_multivar_in_file(given_config_file,
458 argv[0], value, argv[2], 0);
459 }
460 else if (actions == ACTION_ADD) {
461 check_argc(argc, 2, 2);
462 value = normalize_value(argv[0], argv[1]);
463 return git_config_set_multivar_in_file(given_config_file,
464 argv[0], value, "^$", 0);
465 }
466 else if (actions == ACTION_REPLACE_ALL) {
467 check_argc(argc, 2, 3);
468 value = normalize_value(argv[0], argv[1]);
469 return git_config_set_multivar_in_file(given_config_file,
470 argv[0], value, argv[2], 1);
471 }
472 else if (actions == ACTION_GET) {
473 check_argc(argc, 1, 2);
474 return get_value(argv[0], argv[1]);
475 }
476 else if (actions == ACTION_GET_ALL) {
477 do_all = 1;
478 check_argc(argc, 1, 2);
479 return get_value(argv[0], argv[1]);
480 }
481 else if (actions == ACTION_GET_REGEXP) {
482 show_keys = 1;
483 use_key_regexp = 1;
484 do_all = 1;
485 check_argc(argc, 1, 2);
486 return get_value(argv[0], argv[1]);
487 }
488 else if (actions == ACTION_UNSET) {
489 check_argc(argc, 1, 2);
490 if (argc == 2)
491 return git_config_set_multivar_in_file(given_config_file,
492 argv[0], NULL, argv[1], 0);
493 else
494 return git_config_set_in_file(given_config_file,
495 argv[0], NULL);
496 }
497 else if (actions == ACTION_UNSET_ALL) {
498 check_argc(argc, 1, 2);
499 return git_config_set_multivar_in_file(given_config_file,
500 argv[0], NULL, argv[1], 1);
501 }
502 else if (actions == ACTION_RENAME_SECTION) {
503 int ret;
504 check_argc(argc, 2, 2);
505 ret = git_config_rename_section_in_file(given_config_file,
506 argv[0], argv[1]);
507 if (ret < 0)
508 return ret;
509 if (ret == 0)
510 die("No such section!");
511 }
512 else if (actions == ACTION_REMOVE_SECTION) {
513 int ret;
514 check_argc(argc, 1, 1);
515 ret = git_config_rename_section_in_file(given_config_file,
516 argv[0], NULL);
517 if (ret < 0)
518 return ret;
519 if (ret == 0)
520 die("No such section!");
521 }
522 else if (actions == ACTION_GET_COLOR) {
523 get_color(argv[0]);
524 }
525 else if (actions == ACTION_GET_COLORBOOL) {
526 if (argc == 1)
527 color_stdout_is_tty = git_config_bool("command line", argv[0]);
528 return get_colorbool(argc != 0);
529 }
530 return 0;
532}
533int cmd_repo_config(int argc, const char **argv, const char *prefix)
535{
536 fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
537 return cmd_config(argc, argv, prefix);
538}