77efa697d7833cd9a9785df85552d7666cb378fc
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 N_("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 char delim = '=';
19static char key_delim = ' ';
20static char term = '\n';
21static int use_global_config, use_system_config, use_local_config;
23static const char *given_config_file;
24static int actions, types;
25static const char *get_color_slot, *get_colorbool_slot;
26static int end_null;
27static int respect_includes = -1;
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(N_("Config file location")),
52 OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
53 OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
54 OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
55 OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
56 OPT_GROUP(N_("Action")),
57 OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
58 OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
59 OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
60 OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
61 OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
62 OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
63 OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
64 OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
65 OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
66 OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
67 OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
68 OPT_STRING(0, "get-color", &get_color_slot, N_("slot"), N_("find the color configured: [default]")),
69 OPT_STRING(0, "get-colorbool", &get_colorbool_slot, N_("slot"), N_("find the color setting: [stdout-is-tty]")),
70 OPT_GROUP(N_("Type")),
71 OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
72 OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
73 OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
74 OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
75 OPT_GROUP(N_("Other")),
76 OPT_BOOLEAN('z', "null", &end_null, N_("terminate values with NUL byte")),
77 OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
78 OPT_END(),
79};
80static void check_argc(int argc, int min, int max) {
82 if (argc >= min && argc <= max)
83 return;
84 error("wrong number of arguments");
85 usage_with_options(builtin_config_usage, builtin_config_options);
86}
87static int show_all_config(const char *key_, const char *value_, void *cb)
89{
90 if (value_)
91 printf("%s%c%s%c", key_, delim, value_, term);
92 else
93 printf("%s%c", key_, term);
94 return 0;
95}
96struct strbuf_list {
98 struct strbuf *items;
99 int nr;
100 int alloc;
101};
102static int collect_config(const char *key_, const char *value_, void *cb)
104{
105 struct strbuf_list *values = cb;
106 struct strbuf *buf;
107 char value[256];
108 const char *vptr = value;
109 int must_free_vptr = 0;
110 int must_print_delim = 0;
111 if (!use_key_regexp && strcmp(key_, key))
113 return 0;
114 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
115 return 0;
116 if (regexp != NULL &&
117 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
118 return 0;
119 ALLOC_GROW(values->items, values->nr + 1, values->alloc);
121 buf = &values->items[values->nr++];
122 strbuf_init(buf, 0);
123 if (show_keys) {
125 strbuf_addstr(buf, key_);
126 must_print_delim = 1;
127 }
128 if (types == TYPE_INT)
129 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
130 else if (types == TYPE_BOOL)
131 vptr = git_config_bool(key_, value_) ? "true" : "false";
132 else if (types == TYPE_BOOL_OR_INT) {
133 int is_bool, v;
134 v = git_config_bool_or_int(key_, value_, &is_bool);
135 if (is_bool)
136 vptr = v ? "true" : "false";
137 else
138 sprintf(value, "%d", v);
139 } else if (types == TYPE_PATH) {
140 git_config_pathname(&vptr, key_, value_);
141 must_free_vptr = 1;
142 } else if (value_) {
143 vptr = value_;
144 } else {
145 /* Just show the key name */
146 vptr = "";
147 must_print_delim = 0;
148 }
149 if (must_print_delim)
151 strbuf_addch(buf, key_delim);
152 strbuf_addstr(buf, vptr);
153 strbuf_addch(buf, term);
154 if (must_free_vptr)
156 /* If vptr must be freed, it's a pointer to a
157 * dynamically allocated buffer, it's safe to cast to
158 * const.
159 */
160 free((char *)vptr);
161 return 0;
163}
164static int get_value(const char *key_, const char *regex_)
166{
167 int ret = CONFIG_GENERIC_ERROR;
168 char *global = NULL, *xdg = NULL, *repo_config = NULL;
169 const char *system_wide = NULL, *local;
170 struct config_include_data inc = CONFIG_INCLUDE_INIT;
171 config_fn_t fn;
172 void *data;
173 struct strbuf_list values = {0};
174 int i;
175 local = given_config_file;
177 if (!local) {
178 local = repo_config = git_pathdup("config");
179 if (git_config_system())
180 system_wide = git_etc_gitconfig();
181 home_config_paths(&global, &xdg, "config");
182 }
183 if (use_key_regexp) {
185 char *tl;
186 /*
188 * NEEDSWORK: this naive pattern lowercasing obviously does not
189 * work for more complex patterns like "^[^.]*Foo.*bar".
190 * Perhaps we should deprecate this altogether someday.
191 */
192 key = xstrdup(key_);
194 for (tl = key + strlen(key) - 1;
195 tl >= key && *tl != '.';
196 tl--)
197 *tl = tolower(*tl);
198 for (tl = key; *tl && *tl != '.'; tl++)
199 *tl = tolower(*tl);
200 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
202 if (regcomp(key_regexp, key, REG_EXTENDED)) {
203 fprintf(stderr, "Invalid key pattern: %s\n", key_);
204 free(key_regexp);
205 key_regexp = NULL;
206 ret = CONFIG_INVALID_PATTERN;
207 goto free_strings;
208 }
209 } else {
210 if (git_config_parse_key(key_, &key, NULL)) {
211 ret = CONFIG_INVALID_KEY;
212 goto free_strings;
213 }
214 }
215 if (regex_) {
217 if (regex_[0] == '!') {
218 do_not_match = 1;
219 regex_++;
220 }
221 regexp = (regex_t*)xmalloc(sizeof(regex_t));
223 if (regcomp(regexp, regex_, REG_EXTENDED)) {
224 fprintf(stderr, "Invalid pattern: %s\n", regex_);
225 free(regexp);
226 regexp = NULL;
227 ret = CONFIG_INVALID_PATTERN;
228 goto free_strings;
229 }
230 }
231 fn = collect_config;
233 data = &values;
234 if (respect_includes) {
235 inc.fn = fn;
236 inc.data = data;
237 fn = git_config_include;
238 data = &inc;
239 }
240 if (do_all && system_wide)
242 git_config_from_file(fn, system_wide, data);
243 if (do_all && xdg)
244 git_config_from_file(fn, xdg, data);
245 if (do_all && global)
246 git_config_from_file(fn, global, data);
247 if (do_all)
248 git_config_from_file(fn, local, data);
249 git_config_from_parameters(fn, data);
250 if (!do_all && !values.nr)
251 git_config_from_file(fn, local, data);
252 if (!do_all && !values.nr && global)
253 git_config_from_file(fn, global, data);
254 if (!do_all && !values.nr && xdg)
255 git_config_from_file(fn, xdg, data);
256 if (!do_all && !values.nr && system_wide)
257 git_config_from_file(fn, system_wide, data);
258 ret = !values.nr;
260 for (i = 0; i < values.nr; i++) {
262 struct strbuf *buf = values.items + i;
263 if (do_all || i == values.nr - 1)
264 fwrite(buf->buf, 1, buf->len, stdout);
265 strbuf_release(buf);
266 }
267 free(values.items);
268free_strings:
270 free(repo_config);
271 free(global);
272 free(xdg);
273 free(key);
274 if (key_regexp) {
275 regfree(key_regexp);
276 free(key_regexp);
277 }
278 if (regexp) {
279 regfree(regexp);
280 free(regexp);
281 }
282 return ret;
284}
285static char *normalize_value(const char *key, const char *value)
287{
288 char *normalized;
289 if (!value)
291 return NULL;
292 if (types == 0 || types == TYPE_PATH)
294 /*
295 * We don't do normalization for TYPE_PATH here: If
296 * the path is like ~/foobar/, we prefer to store
297 * "~/foobar/" in the config file, and to expand the ~
298 * when retrieving the value.
299 */
300 normalized = xstrdup(value);
301 else {
302 normalized = xmalloc(64);
303 if (types == TYPE_INT) {
304 int v = git_config_int(key, value);
305 sprintf(normalized, "%d", v);
306 }
307 else if (types == TYPE_BOOL)
308 sprintf(normalized, "%s",
309 git_config_bool(key, value) ? "true" : "false");
310 else if (types == TYPE_BOOL_OR_INT) {
311 int is_bool, v;
312 v = git_config_bool_or_int(key, value, &is_bool);
313 if (!is_bool)
314 sprintf(normalized, "%d", v);
315 else
316 sprintf(normalized, "%s", v ? "true" : "false");
317 }
318 }
319 return normalized;
321}
322static int get_color_found;
324static const char *get_color_slot;
325static const char *get_colorbool_slot;
326static char parsed_color[COLOR_MAXLEN];
327static int git_get_color_config(const char *var, const char *value, void *cb)
329{
330 if (!strcmp(var, get_color_slot)) {
331 if (!value)
332 config_error_nonbool(var);
333 color_parse(value, var, parsed_color);
334 get_color_found = 1;
335 }
336 return 0;
337}
338static void get_color(const char *def_color)
340{
341 get_color_found = 0;
342 parsed_color[0] = '\0';
343 git_config_with_options(git_get_color_config, NULL,
344 given_config_file, respect_includes);
345 if (!get_color_found && def_color)
347 color_parse(def_color, "command line", parsed_color);
348 fputs(parsed_color, stdout);
350}
351static int get_colorbool_found;
353static int get_diff_color_found;
354static int get_color_ui_found;
355static int git_get_colorbool_config(const char *var, const char *value,
356 void *cb)
357{
358 if (!strcmp(var, get_colorbool_slot))
359 get_colorbool_found = git_config_colorbool(var, value);
360 else if (!strcmp(var, "diff.color"))
361 get_diff_color_found = git_config_colorbool(var, value);
362 else if (!strcmp(var, "color.ui"))
363 get_color_ui_found = git_config_colorbool(var, value);
364 return 0;
365}
366static int get_colorbool(int print)
368{
369 get_colorbool_found = -1;
370 get_diff_color_found = -1;
371 git_config_with_options(git_get_colorbool_config, NULL,
372 given_config_file, respect_includes);
373 if (get_colorbool_found < 0) {
375 if (!strcmp(get_colorbool_slot, "color.diff"))
376 get_colorbool_found = get_diff_color_found;
377 if (get_colorbool_found < 0)
378 get_colorbool_found = get_color_ui_found;
379 }
380 get_colorbool_found = want_color(get_colorbool_found);
382 if (print) {
384 printf("%s\n", get_colorbool_found ? "true" : "false");
385 return 0;
386 } else
387 return get_colorbool_found ? 0 : 1;
388}
389int cmd_config(int argc, const char **argv, const char *prefix)
391{
392 int nongit = !startup_info->have_repository;
393 char *value;
394 given_config_file = getenv(CONFIG_ENVIRONMENT);
396 argc = parse_options(argc, argv, prefix, builtin_config_options,
398 builtin_config_usage,
399 PARSE_OPT_STOP_AT_NON_OPTION);
400 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
402 error("only one config file at a time.");
403 usage_with_options(builtin_config_usage, builtin_config_options);
404 }
405 if (use_global_config) {
407 char *user_config = NULL;
408 char *xdg_config = NULL;
409 home_config_paths(&user_config, &xdg_config, "config");
411 if (!user_config)
413 /*
414 * It is unknown if HOME/.gitconfig exists, so
415 * we do not know if we should write to XDG
416 * location; error out even if XDG_CONFIG_HOME
417 * is set and points at a sane location.
418 */
419 die("$HOME not set");
420 if (access_or_warn(user_config, R_OK) &&
422 xdg_config && !access_or_warn(xdg_config, R_OK))
423 given_config_file = xdg_config;
424 else
425 given_config_file = user_config;
426 }
427 else if (use_system_config)
428 given_config_file = git_etc_gitconfig();
429 else if (use_local_config)
430 given_config_file = git_pathdup("config");
431 else if (given_config_file) {
432 if (!is_absolute_path(given_config_file) && prefix)
433 given_config_file =
434 xstrdup(prefix_filename(prefix,
435 strlen(prefix),
436 given_config_file));
437 }
438 if (respect_includes == -1)
440 respect_includes = !given_config_file;
441 if (end_null) {
443 term = '\0';
444 delim = '\n';
445 key_delim = '\n';
446 }
447 if (HAS_MULTI_BITS(types)) {
449 error("only one type at a time.");
450 usage_with_options(builtin_config_usage, builtin_config_options);
451 }
452 if (get_color_slot)
454 actions |= ACTION_GET_COLOR;
455 if (get_colorbool_slot)
456 actions |= ACTION_GET_COLORBOOL;
457 if ((get_color_slot || get_colorbool_slot) && types) {
459 error("--get-color and variable type are incoherent");
460 usage_with_options(builtin_config_usage, builtin_config_options);
461 }
462 if (HAS_MULTI_BITS(actions)) {
464 error("only one action at a time.");
465 usage_with_options(builtin_config_usage, builtin_config_options);
466 }
467 if (actions == 0)
468 switch (argc) {
469 case 1: actions = ACTION_GET; break;
470 case 2: actions = ACTION_SET; break;
471 case 3: actions = ACTION_SET_ALL; break;
472 default:
473 usage_with_options(builtin_config_usage, builtin_config_options);
474 }
475 if (actions == ACTION_LIST) {
477 check_argc(argc, 0, 0);
478 if (git_config_with_options(show_all_config, NULL,
479 given_config_file,
480 respect_includes) < 0) {
481 if (given_config_file)
482 die_errno("unable to read config file '%s'",
483 given_config_file);
484 else
485 die("error processing config file(s)");
486 }
487 }
488 else if (actions == ACTION_EDIT) {
489 check_argc(argc, 0, 0);
490 if (!given_config_file && nongit)
491 die("not in a git directory");
492 git_config(git_default_config, NULL);
493 launch_editor(given_config_file ?
494 given_config_file : git_path("config"),
495 NULL, NULL);
496 }
497 else if (actions == ACTION_SET) {
498 int ret;
499 check_argc(argc, 2, 2);
500 value = normalize_value(argv[0], argv[1]);
501 ret = git_config_set_in_file(given_config_file, argv[0], value);
502 if (ret == CONFIG_NOTHING_SET)
503 error("cannot overwrite multiple values with a single value\n"
504 " Use a regexp, --add or --replace-all to change %s.", argv[0]);
505 return ret;
506 }
507 else if (actions == ACTION_SET_ALL) {
508 check_argc(argc, 2, 3);
509 value = normalize_value(argv[0], argv[1]);
510 return git_config_set_multivar_in_file(given_config_file,
511 argv[0], value, argv[2], 0);
512 }
513 else if (actions == ACTION_ADD) {
514 check_argc(argc, 2, 2);
515 value = normalize_value(argv[0], argv[1]);
516 return git_config_set_multivar_in_file(given_config_file,
517 argv[0], value, "^$", 0);
518 }
519 else if (actions == ACTION_REPLACE_ALL) {
520 check_argc(argc, 2, 3);
521 value = normalize_value(argv[0], argv[1]);
522 return git_config_set_multivar_in_file(given_config_file,
523 argv[0], value, argv[2], 1);
524 }
525 else if (actions == ACTION_GET) {
526 check_argc(argc, 1, 2);
527 return get_value(argv[0], argv[1]);
528 }
529 else if (actions == ACTION_GET_ALL) {
530 do_all = 1;
531 check_argc(argc, 1, 2);
532 return get_value(argv[0], argv[1]);
533 }
534 else if (actions == ACTION_GET_REGEXP) {
535 show_keys = 1;
536 use_key_regexp = 1;
537 do_all = 1;
538 check_argc(argc, 1, 2);
539 return get_value(argv[0], argv[1]);
540 }
541 else if (actions == ACTION_UNSET) {
542 check_argc(argc, 1, 2);
543 if (argc == 2)
544 return git_config_set_multivar_in_file(given_config_file,
545 argv[0], NULL, argv[1], 0);
546 else
547 return git_config_set_in_file(given_config_file,
548 argv[0], NULL);
549 }
550 else if (actions == ACTION_UNSET_ALL) {
551 check_argc(argc, 1, 2);
552 return git_config_set_multivar_in_file(given_config_file,
553 argv[0], NULL, argv[1], 1);
554 }
555 else if (actions == ACTION_RENAME_SECTION) {
556 int ret;
557 check_argc(argc, 2, 2);
558 ret = git_config_rename_section_in_file(given_config_file,
559 argv[0], argv[1]);
560 if (ret < 0)
561 return ret;
562 if (ret == 0)
563 die("No such section!");
564 }
565 else if (actions == ACTION_REMOVE_SECTION) {
566 int ret;
567 check_argc(argc, 1, 1);
568 ret = git_config_rename_section_in_file(given_config_file,
569 argv[0], NULL);
570 if (ret < 0)
571 return ret;
572 if (ret == 0)
573 die("No such section!");
574 }
575 else if (actions == ACTION_GET_COLOR) {
576 get_color(argv[0]);
577 }
578 else if (actions == ACTION_GET_COLORBOOL) {
579 if (argc == 1)
580 color_stdout_is_tty = git_config_bool("command line", argv[0]);
581 return get_colorbool(argc != 0);
582 }
583 return 0;
585}
586int cmd_repo_config(int argc, const char **argv, const char *prefix)
588{
589 fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
590 return cmd_config(argc, argv, prefix);
591}