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 if (!use_key_regexp && strcmp(key_, key))
104 return 0;
105 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
106 return 0;
107 if (regexp != NULL &&
108 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
109 return 0;
110 if (show_keys) {
112 if (value_)
113 printf("%s%c", key_, key_delim);
114 else
115 printf("%s", key_);
116 }
117 if (seen && !do_all)
118 dup_error = 1;
119 if (types == TYPE_INT)
120 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
121 else if (types == TYPE_BOOL)
122 vptr = git_config_bool(key_, value_) ? "true" : "false";
123 else if (types == TYPE_BOOL_OR_INT) {
124 int is_bool, v;
125 v = git_config_bool_or_int(key_, value_, &is_bool);
126 if (is_bool)
127 vptr = v ? "true" : "false";
128 else
129 sprintf(value, "%d", v);
130 } else if (types == TYPE_PATH) {
131 git_config_pathname(&vptr, key_, value_);
132 must_free_vptr = 1;
133 }
134 else
135 vptr = value_?value_:"";
136 seen++;
137 if (dup_error) {
138 error("More than one value for the key %s: %s",
139 key_, vptr);
140 }
141 else
142 printf("%s%c", vptr, term);
143 if (must_free_vptr)
144 /* If vptr must be freed, it's a pointer to a
145 * dynamically allocated buffer, it's safe to cast to
146 * const.
147 */
148 free((char *)vptr);
149 return 0;
151}
152static int get_value(const char *key_, const char *regex_)
154{
155 int ret = -1;
156 char *global = NULL, *repo_config = NULL;
157 const char *system_wide = NULL, *local;
158 local = config_exclusive_filename;
160 if (!local) {
161 const char *home = getenv("HOME");
162 local = repo_config = git_pathdup("config");
163 if (git_config_global() && home)
164 global = xstrdup(mkpath("%s/.gitconfig", home));
165 if (git_config_system())
166 system_wide = git_etc_gitconfig();
167 }
168 if (use_key_regexp) {
170 char *tl;
171 /*
173 * NEEDSWORK: this naive pattern lowercasing obviously does not
174 * work for more complex patterns like "^[^.]*Foo.*bar".
175 * Perhaps we should deprecate this altogether someday.
176 */
177 key = xstrdup(key_);
179 for (tl = key + strlen(key) - 1;
180 tl >= key && *tl != '.';
181 tl--)
182 *tl = tolower(*tl);
183 for (tl = key; *tl && *tl != '.'; tl++)
184 *tl = tolower(*tl);
185 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
187 if (regcomp(key_regexp, key, REG_EXTENDED)) {
188 fprintf(stderr, "Invalid key pattern: %s\n", key_);
189 free(key);
190 goto free_strings;
191 }
192 } else {
193 if (git_config_parse_key(key_, &key, NULL))
194 goto free_strings;
195 }
196 if (regex_) {
198 if (regex_[0] == '!') {
199 do_not_match = 1;
200 regex_++;
201 }
202 regexp = (regex_t*)xmalloc(sizeof(regex_t));
204 if (regcomp(regexp, regex_, REG_EXTENDED)) {
205 fprintf(stderr, "Invalid pattern: %s\n", regex_);
206 goto free_strings;
207 }
208 }
209 if (do_all && system_wide)
211 git_config_from_file(show_config, system_wide, NULL);
212 if (do_all && global)
213 git_config_from_file(show_config, global, NULL);
214 if (do_all)
215 git_config_from_file(show_config, local, NULL);
216 git_config_from_parameters(show_config, NULL);
217 if (!do_all && !seen)
218 git_config_from_file(show_config, local, NULL);
219 if (!do_all && !seen && global)
220 git_config_from_file(show_config, global, NULL);
221 if (!do_all && !seen && system_wide)
222 git_config_from_file(show_config, system_wide, NULL);
223 free(key);
225 if (regexp) {
226 regfree(regexp);
227 free(regexp);
228 }
229 if (do_all)
231 ret = !seen;
232 else
233 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
234free_strings:
236 free(repo_config);
237 free(global);
238 return ret;
239}
240static char *normalize_value(const char *key, const char *value)
242{
243 char *normalized;
244 if (!value)
246 return NULL;
247 if (types == 0 || types == TYPE_PATH)
249 /*
250 * We don't do normalization for TYPE_PATH here: If
251 * the path is like ~/foobar/, we prefer to store
252 * "~/foobar/" in the config file, and to expand the ~
253 * when retrieving the value.
254 */
255 normalized = xstrdup(value);
256 else {
257 normalized = xmalloc(64);
258 if (types == TYPE_INT) {
259 int v = git_config_int(key, value);
260 sprintf(normalized, "%d", v);
261 }
262 else if (types == TYPE_BOOL)
263 sprintf(normalized, "%s",
264 git_config_bool(key, value) ? "true" : "false");
265 else if (types == TYPE_BOOL_OR_INT) {
266 int is_bool, v;
267 v = git_config_bool_or_int(key, value, &is_bool);
268 if (!is_bool)
269 sprintf(normalized, "%d", v);
270 else
271 sprintf(normalized, "%s", v ? "true" : "false");
272 }
273 }
274 return normalized;
276}
277static int get_color_found;
279static const char *get_color_slot;
280static const char *get_colorbool_slot;
281static char parsed_color[COLOR_MAXLEN];
282static int git_get_color_config(const char *var, const char *value, void *cb)
284{
285 if (!strcmp(var, get_color_slot)) {
286 if (!value)
287 config_error_nonbool(var);
288 color_parse(value, var, parsed_color);
289 get_color_found = 1;
290 }
291 return 0;
292}
293static void get_color(const char *def_color)
295{
296 get_color_found = 0;
297 parsed_color[0] = '\0';
298 git_config(git_get_color_config, NULL);
299 if (!get_color_found && def_color)
301 color_parse(def_color, "command line", parsed_color);
302 fputs(parsed_color, stdout);
304}
305static int stdout_is_tty;
307static int get_colorbool_found;
308static int get_diff_color_found;
309static int git_get_colorbool_config(const char *var, const char *value,
310 void *cb)
311{
312 if (!strcmp(var, get_colorbool_slot)) {
313 get_colorbool_found =
314 git_config_colorbool(var, value, stdout_is_tty);
315 }
316 if (!strcmp(var, "diff.color")) {
317 get_diff_color_found =
318 git_config_colorbool(var, value, stdout_is_tty);
319 }
320 if (!strcmp(var, "color.ui")) {
321 git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
322 return 0;
323 }
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(git_get_colorbool_config, NULL);
332 if (get_colorbool_found < 0) {
334 if (!strcmp(get_colorbool_slot, "color.diff"))
335 get_colorbool_found = get_diff_color_found;
336 if (get_colorbool_found < 0)
337 get_colorbool_found = git_use_color_default;
338 }
339 if (print) {
341 printf("%s\n", get_colorbool_found ? "true" : "false");
342 return 0;
343 } else
344 return get_colorbool_found ? 0 : 1;
345}
346int cmd_config(int argc, const char **argv, const char *prefix)
348{
349 int nongit = !startup_info->have_repository;
350 char *value;
351 config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
353 argc = parse_options(argc, argv, prefix, builtin_config_options,
355 builtin_config_usage,
356 PARSE_OPT_STOP_AT_NON_OPTION);
357 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
359 error("only one config file at a time.");
360 usage_with_options(builtin_config_usage, builtin_config_options);
361 }
362 if (use_global_config) {
364 char *home = getenv("HOME");
365 if (home) {
366 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
367 config_exclusive_filename = user_config;
368 } else {
369 die("$HOME not set");
370 }
371 }
372 else if (use_system_config)
373 config_exclusive_filename = git_etc_gitconfig();
374 else if (use_local_config)
375 config_exclusive_filename = git_pathdup("config");
376 else if (given_config_file) {
377 if (!is_absolute_path(given_config_file) && prefix)
378 config_exclusive_filename = prefix_filename(prefix,
379 strlen(prefix),
380 given_config_file);
381 else
382 config_exclusive_filename = given_config_file;
383 }
384 if (end_null) {
386 term = '\0';
387 delim = '\n';
388 key_delim = '\n';
389 }
390 if (HAS_MULTI_BITS(types)) {
392 error("only one type at a time.");
393 usage_with_options(builtin_config_usage, builtin_config_options);
394 }
395 if (get_color_slot)
397 actions |= ACTION_GET_COLOR;
398 if (get_colorbool_slot)
399 actions |= ACTION_GET_COLORBOOL;
400 if ((get_color_slot || get_colorbool_slot) && types) {
402 error("--get-color and variable type are incoherent");
403 usage_with_options(builtin_config_usage, builtin_config_options);
404 }
405 if (HAS_MULTI_BITS(actions)) {
407 error("only one action at a time.");
408 usage_with_options(builtin_config_usage, builtin_config_options);
409 }
410 if (actions == 0)
411 switch (argc) {
412 case 1: actions = ACTION_GET; break;
413 case 2: actions = ACTION_SET; break;
414 case 3: actions = ACTION_SET_ALL; break;
415 default:
416 usage_with_options(builtin_config_usage, builtin_config_options);
417 }
418 if (actions == ACTION_LIST) {
420 check_argc(argc, 0, 0);
421 if (git_config(show_all_config, NULL) < 0) {
422 if (config_exclusive_filename)
423 die_errno("unable to read config file '%s'",
424 config_exclusive_filename);
425 else
426 die("error processing config file(s)");
427 }
428 }
429 else if (actions == ACTION_EDIT) {
430 check_argc(argc, 0, 0);
431 if (!config_exclusive_filename && nongit)
432 die("not in a git directory");
433 git_config(git_default_config, NULL);
434 launch_editor(config_exclusive_filename ?
435 config_exclusive_filename : git_path("config"),
436 NULL, NULL);
437 }
438 else if (actions == ACTION_SET) {
439 check_argc(argc, 2, 2);
440 value = normalize_value(argv[0], argv[1]);
441 return git_config_set(argv[0], value);
442 }
443 else if (actions == ACTION_SET_ALL) {
444 check_argc(argc, 2, 3);
445 value = normalize_value(argv[0], argv[1]);
446 return git_config_set_multivar(argv[0], value, argv[2], 0);
447 }
448 else if (actions == ACTION_ADD) {
449 check_argc(argc, 2, 2);
450 value = normalize_value(argv[0], argv[1]);
451 return git_config_set_multivar(argv[0], value, "^$", 0);
452 }
453 else if (actions == ACTION_REPLACE_ALL) {
454 check_argc(argc, 2, 3);
455 value = normalize_value(argv[0], argv[1]);
456 return git_config_set_multivar(argv[0], value, argv[2], 1);
457 }
458 else if (actions == ACTION_GET) {
459 check_argc(argc, 1, 2);
460 return get_value(argv[0], argv[1]);
461 }
462 else if (actions == ACTION_GET_ALL) {
463 do_all = 1;
464 check_argc(argc, 1, 2);
465 return get_value(argv[0], argv[1]);
466 }
467 else if (actions == ACTION_GET_REGEXP) {
468 show_keys = 1;
469 use_key_regexp = 1;
470 do_all = 1;
471 check_argc(argc, 1, 2);
472 return get_value(argv[0], argv[1]);
473 }
474 else if (actions == ACTION_UNSET) {
475 check_argc(argc, 1, 2);
476 if (argc == 2)
477 return git_config_set_multivar(argv[0], NULL, argv[1], 0);
478 else
479 return git_config_set(argv[0], NULL);
480 }
481 else if (actions == ACTION_UNSET_ALL) {
482 check_argc(argc, 1, 2);
483 return git_config_set_multivar(argv[0], NULL, argv[1], 1);
484 }
485 else if (actions == ACTION_RENAME_SECTION) {
486 int ret;
487 check_argc(argc, 2, 2);
488 ret = git_config_rename_section(argv[0], argv[1]);
489 if (ret < 0)
490 return ret;
491 if (ret == 0)
492 die("No such section!");
493 }
494 else if (actions == ACTION_REMOVE_SECTION) {
495 int ret;
496 check_argc(argc, 1, 1);
497 ret = git_config_rename_section(argv[0], NULL);
498 if (ret < 0)
499 return ret;
500 if (ret == 0)
501 die("No such section!");
502 }
503 else if (actions == ACTION_GET_COLOR) {
504 get_color(argv[0]);
505 }
506 else if (actions == ACTION_GET_COLORBOOL) {
507 if (argc == 1)
508 stdout_is_tty = git_config_bool("command line", argv[0]);
509 else if (argc == 0)
510 stdout_is_tty = isatty(1);
511 return get_colorbool(argc != 0);
512 }
513 return 0;
515}
516int cmd_repo_config(int argc, const char **argv, const char *prefix)
518{
519 fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
520 return cmd_config(argc, argv, prefix);
521}