git config: don't allow extra arguments for -e or -l.
[git/git.git] / builtin-config.c
CommitLineData
e12c095a 1#include "builtin.h"
1b1e59c5 2#include "cache.h"
9ce03522 3#include "color.h"
d64ec16c 4#include "parse-options.h"
1b1e59c5 5
d64ec16c
FC
6static const char *const builtin_config_usage[] = {
7 "git config [options]",
8 NULL
9};
4ddba79d 10
96f1e58f
DR
11static 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;
2275d502
FL
19static char delim = '=';
20static char key_delim = ' ';
21static char term = '\n';
4ddba79d 22
d64ec16c
FC
23static int use_global_config, use_system_config;
24static const char *given_config_file;
16c1e939 25static int actions, types;
d64ec16c
FC
26static const char *get_color_slot, *get_colorbool_slot;
27static int end_null;
28
29#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
16c1e939
FC
45#define TYPE_BOOL (1<<0)
46#define TYPE_INT (1<<1)
47#define TYPE_BOOL_OR_INT (1<<2)
48
d64ec16c
FC
49static struct option builtin_config_options[] = {
50 OPT_GROUP("Config file location"),
51 OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
52 OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
53 OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
54 OPT_GROUP("Action"),
55 OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
56 OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
57 OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
58 OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name [value [value_regex]", ACTION_REPLACE_ALL),
59 OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
60 OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
61 OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
62 OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
63 OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
64 OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
65 OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
66 OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
67 OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
68 OPT_GROUP("Type"),
16c1e939
FC
69 OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
70 OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
71 OPT_BIT(0, "bool-or-int", &types, NULL, TYPE_BOOL_OR_INT),
d64ec16c
FC
72 OPT_GROUP("Other"),
73 OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
74 OPT_END(),
75};
76
77static void check_argc(int argc, int min, int max) {
78 if (argc >= min && argc <= max)
79 return;
80 error("wrong number of arguments");
81 usage_with_options(builtin_config_usage, builtin_config_options);
82}
83
ef90d6d4 84static int show_all_config(const char *key_, const char *value_, void *cb)
de791f15
PB
85{
86 if (value_)
2275d502 87 printf("%s%c%s%c", key_, delim, value_, term);
de791f15 88 else
2275d502 89 printf("%s%c", key_, term);
de791f15
PB
90 return 0;
91}
92
4b951b7e 93static int show_config(const char *key_, const char *value_, void *cb)
4ddba79d 94{
e098c6f8
JH
95 char value[256];
96 const char *vptr = value;
8f5ff31f 97 int dup_error = 0;
e098c6f8 98
8f5ff31f
JS
99 if (!use_key_regexp && strcmp(key_, key))
100 return 0;
101 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
102 return 0;
103 if (regexp != NULL &&
9e4bbeb9 104 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f
JS
105 return 0;
106
b69ba460
FL
107 if (show_keys) {
108 if (value_)
2275d502 109 printf("%s%c", key_, key_delim);
b69ba460
FL
110 else
111 printf("%s", key_);
112 }
8f5ff31f
JS
113 if (seen && !do_all)
114 dup_error = 1;
16c1e939 115 if (types == TYPE_INT)
acb70149 116 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939 117 else if (types == TYPE_BOOL)
8f5ff31f 118 vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939 119 else if (types == TYPE_BOOL_OR_INT) {
c35b0b58
JH
120 int is_bool, v;
121 v = git_config_bool_or_int(key_, value_, &is_bool);
122 if (is_bool)
123 vptr = v ? "true" : "false";
124 else
125 sprintf(value, "%d", v);
126 }
8f5ff31f 127 else
acb70149 128 vptr = value_?value_:"";
8f5ff31f
JS
129 seen++;
130 if (dup_error) {
131 error("More than one value for the key %s: %s",
132 key_, vptr);
4ddba79d 133 }
8f5ff31f 134 else
2275d502 135 printf("%s%c", vptr, term);
8f5ff31f 136
4ddba79d
JS
137 return 0;
138}
139
4b951b7e 140static int get_value(const char *key_, const char *regex_)
4ddba79d 141{
5f1a63e0 142 int ret = -1;
d14f7764 143 char *tl;
5f1a63e0 144 char *global = NULL, *repo_config = NULL;
32043c9f 145 const char *system_wide = NULL, *local;
5f1a63e0 146
dc871831 147 local = config_exclusive_filename;
5f1a63e0
JS
148 if (!local) {
149 const char *home = getenv("HOME");
a4f34cbb 150 local = repo_config = git_pathdup("config");
ab88c363 151 if (git_config_global() && home)
9befac47 152 global = xstrdup(mkpath("%s/.gitconfig", home));
ab88c363
JK
153 if (git_config_system())
154 system_wide = git_etc_gitconfig();
5f1a63e0 155 }
4ddba79d 156
9befac47 157 key = xstrdup(key_);
d14f7764
LT
158 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
159 *tl = tolower(*tl);
160 for (tl=key; *tl && *tl != '.'; ++tl)
161 *tl = tolower(*tl);
4ddba79d 162
2fa9a0fb 163 if (use_key_regexp) {
2d7320d0 164 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb 165 if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8 166 fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0 167 goto free_strings;
2fa9a0fb
JS
168 }
169 }
170
4ddba79d 171 if (regex_) {
f98d863d
JS
172 if (regex_[0] == '!') {
173 do_not_match = 1;
174 regex_++;
175 }
176
2d7320d0 177 regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171 178 if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d 179 fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0 180 goto free_strings;
4ddba79d
JS
181 }
182 }
183
32043c9f 184 if (do_all && system_wide)
ef90d6d4 185 git_config_from_file(show_config, system_wide, NULL);
5f1a63e0 186 if (do_all && global)
ef90d6d4
JS
187 git_config_from_file(show_config, global, NULL);
188 git_config_from_file(show_config, local, NULL);
5f1a63e0 189 if (!do_all && !seen && global)
ef90d6d4 190 git_config_from_file(show_config, global, NULL);
32043c9f 191 if (!do_all && !seen && system_wide)
ef90d6d4 192 git_config_from_file(show_config, system_wide, NULL);
5f1a63e0 193
4ddba79d 194 free(key);
0a152171
AW
195 if (regexp) {
196 regfree(regexp);
197 free(regexp);
4ddba79d
JS
198 }
199
200 if (do_all)
5f1a63e0
JS
201 ret = !seen;
202 else
dc2613de 203 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0
JS
204
205free_strings:
4cac42b1
JH
206 free(repo_config);
207 free(global);
5f1a63e0 208 return ret;
4ddba79d 209}
1b1e59c5 210
186458b1 211static char *normalize_value(const char *key, const char *value)
db1696b8
FL
212{
213 char *normalized;
214
215 if (!value)
216 return NULL;
217
16c1e939 218 if (types == 0)
db1696b8
FL
219 normalized = xstrdup(value);
220 else {
221 normalized = xmalloc(64);
16c1e939 222 if (types == TYPE_INT) {
db1696b8
FL
223 int v = git_config_int(key, value);
224 sprintf(normalized, "%d", v);
225 }
16c1e939 226 else if (types == TYPE_BOOL)
db1696b8
FL
227 sprintf(normalized, "%s",
228 git_config_bool(key, value) ? "true" : "false");
16c1e939 229 else if (types == TYPE_BOOL_OR_INT) {
c35b0b58
JH
230 int is_bool, v;
231 v = git_config_bool_or_int(key, value, &is_bool);
232 if (!is_bool)
233 sprintf(normalized, "%d", v);
234 else
235 sprintf(normalized, "%s", v ? "true" : "false");
236 }
db1696b8
FL
237 }
238
239 return normalized;
240}
241
9ce03522
JH
242static int get_color_found;
243static const char *get_color_slot;
b408457f 244static const char *get_colorbool_slot;
9ce03522
JH
245static char parsed_color[COLOR_MAXLEN];
246
ef90d6d4 247static int git_get_color_config(const char *var, const char *value, void *cb)
9ce03522
JH
248{
249 if (!strcmp(var, get_color_slot)) {
f769982d
JH
250 if (!value)
251 config_error_nonbool(var);
9ce03522
JH
252 color_parse(value, var, parsed_color);
253 get_color_found = 1;
254 }
255 return 0;
256}
257
0e854a28 258static void get_color(const char *def_color)
9ce03522 259{
9ce03522
JH
260 get_color_found = 0;
261 parsed_color[0] = '\0';
ef90d6d4 262 git_config(git_get_color_config, NULL);
9ce03522
JH
263
264 if (!get_color_found && def_color)
265 color_parse(def_color, "command line", parsed_color);
266
267 fputs(parsed_color, stdout);
9ce03522
JH
268}
269
0f6f5a40
JH
270static int stdout_is_tty;
271static int get_colorbool_found;
69243c2b 272static int get_diff_color_found;
ef90d6d4
JS
273static int git_get_colorbool_config(const char *var, const char *value,
274 void *cb)
0f6f5a40 275{
b408457f 276 if (!strcmp(var, get_colorbool_slot)) {
0f6f5a40
JH
277 get_colorbool_found =
278 git_config_colorbool(var, value, stdout_is_tty);
69243c2b
JH
279 }
280 if (!strcmp(var, "diff.color")) {
281 get_diff_color_found =
282 git_config_colorbool(var, value, stdout_is_tty);
283 }
4d4f5ba3
MK
284 if (!strcmp(var, "color.ui")) {
285 git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
286 return 0;
287 }
0f6f5a40
JH
288 return 0;
289}
290
0e854a28 291static int get_colorbool(int print)
0f6f5a40 292{
69243c2b
JH
293 get_colorbool_found = -1;
294 get_diff_color_found = -1;
ef90d6d4 295 git_config(git_get_colorbool_config, NULL);
0f6f5a40 296
69243c2b 297 if (get_colorbool_found < 0) {
b408457f 298 if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b
JH
299 get_colorbool_found = get_diff_color_found;
300 if (get_colorbool_found < 0)
4d4f5ba3 301 get_colorbool_found = git_use_color_default;
69243c2b
JH
302 }
303
0e854a28 304 if (print) {
0f6f5a40
JH
305 printf("%s\n", get_colorbool_found ? "true" : "false");
306 return 0;
0e854a28
FC
307 } else
308 return get_colorbool_found ? 0 : 1;
0f6f5a40
JH
309}
310
b408457f 311int cmd_config(int argc, const char **argv, const char *unused_prefix)
1b1e59c5 312{
af05d679 313 int nongit;
4b951b7e 314 char *value;
b408457f 315 const char *prefix = setup_git_directory_gently(&nongit);
7162dff3 316
dc871831
DB
317 config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
318
d64ec16c
FC
319 argc = parse_options(argc, argv, builtin_config_options, builtin_config_usage,
320 PARSE_OPT_STOP_AT_NON_OPTION);
321
67052c9d
FC
322 if (use_global_config + use_system_config + !!given_config_file > 1) {
323 error("only one config file at a time.");
324 usage_with_options(builtin_config_usage, builtin_config_options);
325 }
326
d64ec16c
FC
327 if (use_global_config) {
328 char *home = getenv("HOME");
329 if (home) {
330 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
331 config_exclusive_filename = user_config;
db1696b8 332 } else {
d64ec16c 333 die("$HOME not set");
db1696b8 334 }
d64ec16c
FC
335 }
336 else if (use_system_config)
337 config_exclusive_filename = git_etc_gitconfig();
338 else if (given_config_file) {
339 if (!is_absolute_path(given_config_file) && prefix)
340 config_exclusive_filename = prefix_filename(prefix,
341 strlen(prefix),
342 argv[2]);
343 else
344 config_exclusive_filename = given_config_file;
345 }
346
347 if (end_null) {
348 term = '\0';
349 delim = '\n';
350 key_delim = '\n';
351 }
352
16c1e939
FC
353 if (HAS_MULTI_BITS(types)) {
354 error("only one type at a time.");
355 usage_with_options(builtin_config_usage, builtin_config_options);
356 }
357
d64ec16c
FC
358 if (get_color_slot)
359 actions |= ACTION_GET_COLOR;
360 if (get_colorbool_slot)
361 actions |= ACTION_GET_COLORBOOL;
362
363 if (HAS_MULTI_BITS(actions)) {
364 error("only one action at a time.");
365 usage_with_options(builtin_config_usage, builtin_config_options);
366 }
367 if (actions == 0)
368 switch (argc) {
369 case 1: actions = ACTION_GET; break;
370 case 2: actions = ACTION_SET; break;
371 case 3: actions = ACTION_SET_ALL; break;
372 default:
373 usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8 374 }
d64ec16c
FC
375
376 if (actions == ACTION_LIST) {
225a9caf 377 check_argc(argc, 0, 0);
d64ec16c
FC
378 if (git_config(show_all_config, NULL) < 0) {
379 if (config_exclusive_filename)
380 die("unable to read config file %s: %s",
381 config_exclusive_filename, strerror(errno));
382 else
383 die("error processing config file(s)");
db1696b8 384 }
1b1e59c5 385 }
d64ec16c 386 else if (actions == ACTION_EDIT) {
225a9caf 387 check_argc(argc, 0, 0);
d64ec16c
FC
388 git_config(git_default_config, NULL);
389 launch_editor(config_exclusive_filename ?
390 config_exclusive_filename : git_path("config"),
391 NULL, NULL);
392 }
393 else if (actions == ACTION_SET) {
394 check_argc(argc, 2, 2);
395 value = normalize_value(argv[0], argv[1]);
396 return git_config_set(argv[0], value);
397 }
398 else if (actions == ACTION_SET_ALL) {
399 check_argc(argc, 2, 3);
400 value = normalize_value(argv[0], argv[1]);
401 return git_config_set_multivar(argv[0], value, argv[2], 0);
402 }
403 else if (actions == ACTION_ADD) {
404 check_argc(argc, 2, 2);
405 value = normalize_value(argv[0], argv[1]);
406 return git_config_set_multivar(argv[0], value, "^$", 0);
407 }
408 else if (actions == ACTION_REPLACE_ALL) {
409 check_argc(argc, 2, 3);
410 value = normalize_value(argv[0], argv[1]);
411 return git_config_set_multivar(argv[0], value, argv[2], 1);
412 }
413 else if (actions == ACTION_GET) {
414 check_argc(argc, 1, 2);
415 return get_value(argv[0], argv[1]);
416 }
417 else if (actions == ACTION_GET_ALL) {
418 do_all = 1;
419 check_argc(argc, 1, 2);
420 return get_value(argv[0], argv[1]);
421 }
422 else if (actions == ACTION_GET_REGEXP) {
423 show_keys = 1;
424 use_key_regexp = 1;
425 do_all = 1;
426 check_argc(argc, 1, 2);
427 return get_value(argv[0], argv[1]);
428 }
429 else if (actions == ACTION_UNSET) {
430 check_argc(argc, 1, 2);
431 if (argc == 2)
432 return git_config_set_multivar(argv[0], NULL, argv[1], 0);
433 else
434 return git_config_set(argv[0], NULL);
435 }
436 else if (actions == ACTION_UNSET_ALL) {
437 check_argc(argc, 1, 2);
438 return git_config_set_multivar(argv[0], NULL, argv[1], 1);
439 }
440 else if (actions == ACTION_RENAME_SECTION) {
441 int ret;
442 check_argc(argc, 2, 2);
443 ret = git_config_rename_section(argv[0], argv[1]);
444 if (ret < 0)
445 return ret;
446 if (ret == 0)
447 die("No such section!");
448 }
449 else if (actions == ACTION_REMOVE_SECTION) {
450 int ret;
451 check_argc(argc, 1, 1);
452 ret = git_config_rename_section(argv[0], NULL);
453 if (ret < 0)
454 return ret;
455 if (ret == 0)
456 die("No such section!");
457 }
458 else if (actions == ACTION_GET_COLOR) {
459 get_color(argv[0]);
460 }
461 else if (actions == ACTION_GET_COLORBOOL) {
462 if (argc == 1)
463 stdout_is_tty = git_config_bool("command line", argv[0]);
464 else if (argc == 0)
465 stdout_is_tty = isatty(1);
466 return get_colorbool(argc != 0);
467 }
468
1b1e59c5
JS
469 return 0;
470}