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 struct strbuf_list values = {NULL};
169 int i;
170 if (use_key_regexp) {
172 char *tl;
173 /*
175 * NEEDSWORK: this naive pattern lowercasing obviously does not
176 * work for more complex patterns like "^[^.]*Foo.*bar".
177 * Perhaps we should deprecate this altogether someday.
178 */
179 key = xstrdup(key_);
181 for (tl = key + strlen(key) - 1;
182 tl >= key && *tl != '.';
183 tl--)
184 *tl = tolower(*tl);
185 for (tl = key; *tl && *tl != '.'; tl++)
186 *tl = tolower(*tl);
187 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
189 if (regcomp(key_regexp, key, REG_EXTENDED)) {
190 fprintf(stderr, "Invalid key pattern: %s\n", key_);
191 free(key_regexp);
192 key_regexp = NULL;
193 ret = CONFIG_INVALID_PATTERN;
194 goto free_strings;
195 }
196 } else {
197 if (git_config_parse_key(key_, &key, NULL)) {
198 ret = CONFIG_INVALID_KEY;
199 goto free_strings;
200 }
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 free(regexp);
213 regexp = NULL;
214 ret = CONFIG_INVALID_PATTERN;
215 goto free_strings;
216 }
217 }
218 git_config_with_options(collect_config, &values,
220 given_config_file, respect_includes);
221 ret = !values.nr;
223 for (i = 0; i < values.nr; i++) {
225 struct strbuf *buf = values.items + i;
226 if (do_all || i == values.nr - 1)
227 fwrite(buf->buf, 1, buf->len, stdout);
228 strbuf_release(buf);
229 }
230 free(values.items);
231free_strings:
233 free(key);
234 if (key_regexp) {
235 regfree(key_regexp);
236 free(key_regexp);
237 }
238 if (regexp) {
239 regfree(regexp);
240 free(regexp);
241 }
242 return ret;
244}
245static char *normalize_value(const char *key, const char *value)
247{
248 char *normalized;
249 if (!value)
251 return NULL;
252 if (types == 0 || types == TYPE_PATH)
254 /*
255 * We don't do normalization for TYPE_PATH here: If
256 * the path is like ~/foobar/, we prefer to store
257 * "~/foobar/" in the config file, and to expand the ~
258 * when retrieving the value.
259 */
260 normalized = xstrdup(value);
261 else {
262 normalized = xmalloc(64);
263 if (types == TYPE_INT) {
264 int v = git_config_int(key, value);
265 sprintf(normalized, "%d", v);
266 }
267 else if (types == TYPE_BOOL)
268 sprintf(normalized, "%s",
269 git_config_bool(key, value) ? "true" : "false");
270 else if (types == TYPE_BOOL_OR_INT) {
271 int is_bool, v;
272 v = git_config_bool_or_int(key, value, &is_bool);
273 if (!is_bool)
274 sprintf(normalized, "%d", v);
275 else
276 sprintf(normalized, "%s", v ? "true" : "false");
277 }
278 }
279 return normalized;
281}
282static int get_color_found;
284static const char *get_color_slot;
285static const char *get_colorbool_slot;
286static char parsed_color[COLOR_MAXLEN];
287static int git_get_color_config(const char *var, const char *value, void *cb)
289{
290 if (!strcmp(var, get_color_slot)) {
291 if (!value)
292 config_error_nonbool(var);
293 color_parse(value, var, parsed_color);
294 get_color_found = 1;
295 }
296 return 0;
297}
298static void get_color(const char *def_color)
300{
301 get_color_found = 0;
302 parsed_color[0] = '\0';
303 git_config_with_options(git_get_color_config, NULL,
304 given_config_file, respect_includes);
305 if (!get_color_found && def_color)
307 color_parse(def_color, "command line", parsed_color);
308 fputs(parsed_color, stdout);
310}
311static int get_colorbool_found;
313static int get_diff_color_found;
314static int get_color_ui_found;
315static int git_get_colorbool_config(const char *var, const char *value,
316 void *cb)
317{
318 if (!strcmp(var, get_colorbool_slot))
319 get_colorbool_found = git_config_colorbool(var, value);
320 else if (!strcmp(var, "diff.color"))
321 get_diff_color_found = git_config_colorbool(var, value);
322 else if (!strcmp(var, "color.ui"))
323 get_color_ui_found = git_config_colorbool(var, value);
324 return 0;
325}
326static int get_colorbool(int print)
328{
329 get_colorbool_found = -1;
330 get_diff_color_found = -1;
331 git_config_with_options(git_get_colorbool_config, NULL,
332 given_config_file, respect_includes);
333 if (get_colorbool_found < 0) {
335 if (!strcmp(get_colorbool_slot, "color.diff"))
336 get_colorbool_found = get_diff_color_found;
337 if (get_colorbool_found < 0)
338 get_colorbool_found = get_color_ui_found;
339 }
340 get_colorbool_found = want_color(get_colorbool_found);
342 if (print) {
344 printf("%s\n", get_colorbool_found ? "true" : "false");
345 return 0;
346 } else
347 return get_colorbool_found ? 0 : 1;
348}
349int cmd_config(int argc, const char **argv, const char *prefix)
351{
352 int nongit = !startup_info->have_repository;
353 char *value;
354 given_config_file = getenv(CONFIG_ENVIRONMENT);
356 argc = parse_options(argc, argv, prefix, builtin_config_options,
358 builtin_config_usage,
359 PARSE_OPT_STOP_AT_NON_OPTION);
360 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
362 error("only one config file at a time.");
363 usage_with_options(builtin_config_usage, builtin_config_options);
364 }
365 if (use_global_config) {
367 char *user_config = NULL;
368 char *xdg_config = NULL;
369 home_config_paths(&user_config, &xdg_config, "config");
371 if (!user_config)
373 /*
374 * It is unknown if HOME/.gitconfig exists, so
375 * we do not know if we should write to XDG
376 * location; error out even if XDG_CONFIG_HOME
377 * is set and points at a sane location.
378 */
379 die("$HOME not set");
380 if (access_or_warn(user_config, R_OK) &&
382 xdg_config && !access_or_warn(xdg_config, R_OK))
383 given_config_file = xdg_config;
384 else
385 given_config_file = user_config;
386 }
387 else if (use_system_config)
388 given_config_file = git_etc_gitconfig();
389 else if (use_local_config)
390 given_config_file = git_pathdup("config");
391 else if (given_config_file) {
392 if (!is_absolute_path(given_config_file) && prefix)
393 given_config_file =
394 xstrdup(prefix_filename(prefix,
395 strlen(prefix),
396 given_config_file));
397 }
398 if (respect_includes == -1)
400 respect_includes = !given_config_file;
401 if (end_null) {
403 term = '\0';
404 delim = '\n';
405 key_delim = '\n';
406 }
407 if (HAS_MULTI_BITS(types)) {
409 error("only one type at a time.");
410 usage_with_options(builtin_config_usage, builtin_config_options);
411 }
412 if (get_color_slot)
414 actions |= ACTION_GET_COLOR;
415 if (get_colorbool_slot)
416 actions |= ACTION_GET_COLORBOOL;
417 if ((get_color_slot || get_colorbool_slot) && types) {
419 error("--get-color and variable type are incoherent");
420 usage_with_options(builtin_config_usage, builtin_config_options);
421 }
422 if (HAS_MULTI_BITS(actions)) {
424 error("only one action at a time.");
425 usage_with_options(builtin_config_usage, builtin_config_options);
426 }
427 if (actions == 0)
428 switch (argc) {
429 case 1: actions = ACTION_GET; break;
430 case 2: actions = ACTION_SET; break;
431 case 3: actions = ACTION_SET_ALL; break;
432 default:
433 usage_with_options(builtin_config_usage, builtin_config_options);
434 }
435 if (actions == ACTION_LIST) {
437 check_argc(argc, 0, 0);
438 if (git_config_with_options(show_all_config, NULL,
439 given_config_file,
440 respect_includes) < 0) {
441 if (given_config_file)
442 die_errno("unable to read config file '%s'",
443 given_config_file);
444 else
445 die("error processing config file(s)");
446 }
447 }
448 else if (actions == ACTION_EDIT) {
449 check_argc(argc, 0, 0);
450 if (!given_config_file && nongit)
451 die("not in a git directory");
452 git_config(git_default_config, NULL);
453 launch_editor(given_config_file ?
454 given_config_file : git_path("config"),
455 NULL, NULL);
456 }
457 else if (actions == ACTION_SET) {
458 int ret;
459 check_argc(argc, 2, 2);
460 value = normalize_value(argv[0], argv[1]);
461 ret = git_config_set_in_file(given_config_file, argv[0], value);
462 if (ret == CONFIG_NOTHING_SET)
463 error("cannot overwrite multiple values with a single value\n"
464 " Use a regexp, --add or --replace-all to change %s.", argv[0]);
465 return ret;
466 }
467 else if (actions == ACTION_SET_ALL) {
468 check_argc(argc, 2, 3);
469 value = normalize_value(argv[0], argv[1]);
470 return git_config_set_multivar_in_file(given_config_file,
471 argv[0], value, argv[2], 0);
472 }
473 else if (actions == ACTION_ADD) {
474 check_argc(argc, 2, 2);
475 value = normalize_value(argv[0], argv[1]);
476 return git_config_set_multivar_in_file(given_config_file,
477 argv[0], value, "^$", 0);
478 }
479 else if (actions == ACTION_REPLACE_ALL) {
480 check_argc(argc, 2, 3);
481 value = normalize_value(argv[0], argv[1]);
482 return git_config_set_multivar_in_file(given_config_file,
483 argv[0], value, argv[2], 1);
484 }
485 else if (actions == ACTION_GET) {
486 check_argc(argc, 1, 2);
487 return get_value(argv[0], argv[1]);
488 }
489 else if (actions == ACTION_GET_ALL) {
490 do_all = 1;
491 check_argc(argc, 1, 2);
492 return get_value(argv[0], argv[1]);
493 }
494 else if (actions == ACTION_GET_REGEXP) {
495 show_keys = 1;
496 use_key_regexp = 1;
497 do_all = 1;
498 check_argc(argc, 1, 2);
499 return get_value(argv[0], argv[1]);
500 }
501 else if (actions == ACTION_UNSET) {
502 check_argc(argc, 1, 2);
503 if (argc == 2)
504 return git_config_set_multivar_in_file(given_config_file,
505 argv[0], NULL, argv[1], 0);
506 else
507 return git_config_set_in_file(given_config_file,
508 argv[0], NULL);
509 }
510 else if (actions == ACTION_UNSET_ALL) {
511 check_argc(argc, 1, 2);
512 return git_config_set_multivar_in_file(given_config_file,
513 argv[0], NULL, argv[1], 1);
514 }
515 else if (actions == ACTION_RENAME_SECTION) {
516 int ret;
517 check_argc(argc, 2, 2);
518 ret = git_config_rename_section_in_file(given_config_file,
519 argv[0], argv[1]);
520 if (ret < 0)
521 return ret;
522 if (ret == 0)
523 die("No such section!");
524 }
525 else if (actions == ACTION_REMOVE_SECTION) {
526 int ret;
527 check_argc(argc, 1, 1);
528 ret = git_config_rename_section_in_file(given_config_file,
529 argv[0], NULL);
530 if (ret < 0)
531 return ret;
532 if (ret == 0)
533 die("No such section!");
534 }
535 else if (actions == ACTION_GET_COLOR) {
536 get_color(argv[0]);
537 }
538 else if (actions == ACTION_GET_COLORBOOL) {
539 if (argc == 1)
540 color_stdout_is_tty = git_config_bool("command line", argv[0]);
541 return get_colorbool(argc != 0);
542 }
543 return 0;
545}
546int cmd_repo_config(int argc, const char **argv, const char *prefix)
548{
549 fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
550 return cmd_config(argc, argv, prefix);
551}