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[thirdparty/git.git] / builtin-config.c
CommitLineData
e12c095a 1#include "builtin.h"
1b1e59c5 2#include "cache.h"
9ce03522 3#include "color.h"
1b1e59c5
JS
4
5static const char git_config_set_usage[] =
0f6f5a40 6"git-config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --int ] [ -z | --null ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --remove-section name | --list | --get-color var [default] | --get-colorbool name [stdout-is-tty]";
4ddba79d 7
96f1e58f
DR
8static char *key;
9static regex_t *key_regexp;
10static regex_t *regexp;
11static int show_keys;
12static int use_key_regexp;
13static int do_all;
14static int do_not_match;
15static int seen;
2275d502
FL
16static char delim = '=';
17static char key_delim = ' ';
18static char term = '\n';
7162dff3 19static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
4ddba79d 20
de791f15
PB
21static int show_all_config(const char *key_, const char *value_)
22{
23 if (value_)
2275d502 24 printf("%s%c%s%c", key_, delim, value_, term);
de791f15 25 else
2275d502 26 printf("%s%c", key_, term);
de791f15
PB
27 return 0;
28}
29
4ddba79d
JS
30static int show_config(const char* key_, const char* value_)
31{
e098c6f8
JH
32 char value[256];
33 const char *vptr = value;
8f5ff31f 34 int dup_error = 0;
e098c6f8 35
8f5ff31f
JS
36 if (!use_key_regexp && strcmp(key_, key))
37 return 0;
38 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
39 return 0;
40 if (regexp != NULL &&
9e4bbeb9 41 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f
JS
42 return 0;
43
b69ba460
FL
44 if (show_keys) {
45 if (value_)
2275d502 46 printf("%s%c", key_, key_delim);
b69ba460
FL
47 else
48 printf("%s", key_);
49 }
8f5ff31f
JS
50 if (seen && !do_all)
51 dup_error = 1;
52 if (type == T_INT)
acb70149 53 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
8f5ff31f
JS
54 else if (type == T_BOOL)
55 vptr = git_config_bool(key_, value_) ? "true" : "false";
56 else
acb70149 57 vptr = value_?value_:"";
8f5ff31f
JS
58 seen++;
59 if (dup_error) {
60 error("More than one value for the key %s: %s",
61 key_, vptr);
4ddba79d 62 }
8f5ff31f 63 else
2275d502 64 printf("%s%c", vptr, term);
8f5ff31f 65
4ddba79d
JS
66 return 0;
67}
68
69static int get_value(const char* key_, const char* regex_)
70{
5f1a63e0 71 int ret = -1;
d14f7764 72 char *tl;
5f1a63e0 73 char *global = NULL, *repo_config = NULL;
32043c9f 74 const char *system_wide = NULL, *local;
5f1a63e0 75
d4ebc36c 76 local = getenv(CONFIG_ENVIRONMENT);
5f1a63e0
JS
77 if (!local) {
78 const char *home = getenv("HOME");
d4ebc36c 79 local = getenv(CONFIG_LOCAL_ENVIRONMENT);
5f1a63e0 80 if (!local)
9befac47 81 local = repo_config = xstrdup(git_path("config"));
5f1a63e0 82 if (home)
9befac47 83 global = xstrdup(mkpath("%s/.gitconfig", home));
506b17b1 84 system_wide = git_etc_gitconfig();
5f1a63e0 85 }
4ddba79d 86
9befac47 87 key = xstrdup(key_);
d14f7764
LT
88 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
89 *tl = tolower(*tl);
90 for (tl=key; *tl && *tl != '.'; ++tl)
91 *tl = tolower(*tl);
4ddba79d 92
2fa9a0fb 93 if (use_key_regexp) {
2d7320d0 94 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb 95 if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8 96 fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0 97 goto free_strings;
2fa9a0fb
JS
98 }
99 }
100
4ddba79d 101 if (regex_) {
f98d863d
JS
102 if (regex_[0] == '!') {
103 do_not_match = 1;
104 regex_++;
105 }
106
2d7320d0 107 regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171 108 if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d 109 fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0 110 goto free_strings;
4ddba79d
JS
111 }
112 }
113
32043c9f
JS
114 if (do_all && system_wide)
115 git_config_from_file(show_config, system_wide);
5f1a63e0
JS
116 if (do_all && global)
117 git_config_from_file(show_config, global);
118 git_config_from_file(show_config, local);
119 if (!do_all && !seen && global)
120 git_config_from_file(show_config, global);
32043c9f
JS
121 if (!do_all && !seen && system_wide)
122 git_config_from_file(show_config, system_wide);
5f1a63e0 123
4ddba79d 124 free(key);
0a152171
AW
125 if (regexp) {
126 regfree(regexp);
127 free(regexp);
4ddba79d
JS
128 }
129
130 if (do_all)
5f1a63e0
JS
131 ret = !seen;
132 else
dc2613de 133 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0
JS
134
135free_strings:
4cac42b1
JH
136 free(repo_config);
137 free(global);
5f1a63e0 138 return ret;
4ddba79d 139}
1b1e59c5 140
db1696b8
FL
141char *normalize_value(const char *key, const char *value)
142{
143 char *normalized;
144
145 if (!value)
146 return NULL;
147
148 if (type == T_RAW)
149 normalized = xstrdup(value);
150 else {
151 normalized = xmalloc(64);
152 if (type == T_INT) {
153 int v = git_config_int(key, value);
154 sprintf(normalized, "%d", v);
155 }
156 else if (type == T_BOOL)
157 sprintf(normalized, "%s",
158 git_config_bool(key, value) ? "true" : "false");
159 }
160
161 return normalized;
162}
163
9ce03522
JH
164static int get_color_found;
165static const char *get_color_slot;
166static char parsed_color[COLOR_MAXLEN];
167
168static int git_get_color_config(const char *var, const char *value)
169{
170 if (!strcmp(var, get_color_slot)) {
f769982d
JH
171 if (!value)
172 config_error_nonbool(var);
9ce03522
JH
173 color_parse(value, var, parsed_color);
174 get_color_found = 1;
175 }
176 return 0;
177}
178
179static int get_color(int argc, const char **argv)
180{
181 /*
182 * grab the color setting for the given slot from the configuration,
183 * or parse the default value if missing, and return ANSI color
184 * escape sequence.
185 *
186 * e.g.
187 * git config --get-color color.diff.whitespace "blue reverse"
188 */
189 const char *def_color = NULL;
190
191 switch (argc) {
192 default:
193 usage(git_config_set_usage);
194 case 2:
195 def_color = argv[1];
196 /* fallthru */
197 case 1:
198 get_color_slot = argv[0];
199 break;
200 }
201
202 get_color_found = 0;
203 parsed_color[0] = '\0';
204 git_config(git_get_color_config);
205
206 if (!get_color_found && def_color)
207 color_parse(def_color, "command line", parsed_color);
208
209 fputs(parsed_color, stdout);
210 return 0;
211}
212
0f6f5a40
JH
213static int stdout_is_tty;
214static int get_colorbool_found;
69243c2b 215static int get_diff_color_found;
0f6f5a40
JH
216static int git_get_colorbool_config(const char *var, const char *value)
217{
69243c2b 218 if (!strcmp(var, get_color_slot)) {
0f6f5a40
JH
219 get_colorbool_found =
220 git_config_colorbool(var, value, stdout_is_tty);
69243c2b
JH
221 }
222 if (!strcmp(var, "diff.color")) {
223 get_diff_color_found =
224 git_config_colorbool(var, value, stdout_is_tty);
225 }
0f6f5a40
JH
226 return 0;
227}
228
229static int get_colorbool(int argc, const char **argv)
230{
231 /*
232 * git config --get-colorbool <slot> [<stdout-is-tty>]
233 *
234 * returns "true" or "false" depending on how <slot>
235 * is configured.
236 */
237
238 if (argc == 2)
239 stdout_is_tty = git_config_bool("command line", argv[1]);
240 else if (argc == 1)
241 stdout_is_tty = isatty(1);
242 else
243 usage(git_config_set_usage);
69243c2b
JH
244 get_colorbool_found = -1;
245 get_diff_color_found = -1;
0f6f5a40
JH
246 get_color_slot = argv[0];
247 git_config(git_get_colorbool_config);
248
69243c2b
JH
249 if (get_colorbool_found < 0) {
250 if (!strcmp(get_color_slot, "color.diff"))
251 get_colorbool_found = get_diff_color_found;
252 if (get_colorbool_found < 0)
253 get_colorbool_found = 0;
254 }
255
0f6f5a40
JH
256 if (argc == 1) {
257 return get_colorbool_found ? 0 : 1;
258 } else {
259 printf("%s\n", get_colorbool_found ? "true" : "false");
260 return 0;
261 }
262}
263
e0d10e1c 264int cmd_config(int argc, const char **argv, const char *prefix)
1b1e59c5 265{
4d599e6b 266 int nongit = 0;
db1696b8 267 char* value;
1ae14a6b 268 const char *file = setup_git_directory_gently(&nongit);
7162dff3
PB
269
270 while (1 < argc) {
271 if (!strcmp(argv[1], "--int"))
272 type = T_INT;
273 else if (!strcmp(argv[1], "--bool"))
274 type = T_BOOL;
a72c874e
FL
275 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
276 if (argc != 2)
277 usage(git_config_set_usage);
93a56c2c
GP
278 if (git_config(show_all_config) < 0 && file && errno)
279 die("unable to read config file %s: %s", file,
280 strerror(errno));
281 return 0;
a72c874e 282 }
34eb3340
SE
283 else if (!strcmp(argv[1], "--global")) {
284 char *home = getenv("HOME");
285 if (home) {
286 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
7627943a 287 setenv(CONFIG_ENVIRONMENT, user_config, 1);
34eb3340
SE
288 free(user_config);
289 } else {
290 die("$HOME not set");
291 }
32043c9f
JS
292 }
293 else if (!strcmp(argv[1], "--system"))
506b17b1 294 setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
67d454fe
AR
295 else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
296 if (argc < 3)
297 usage(git_config_set_usage);
1ae14a6b
GP
298 if (!is_absolute_path(argv[2]) && file)
299 file = prefix_filename(file, strlen(file),
300 argv[2]);
301 else
302 file = argv[2];
303 setenv(CONFIG_ENVIRONMENT, file, 1);
67d454fe
AR
304 argc--;
305 argv++;
306 }
2275d502
FL
307 else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
308 term = '\0';
309 delim = '\n';
310 key_delim = '\n';
311 }
32043c9f 312 else if (!strcmp(argv[1], "--rename-section")) {
0667fcfb
JS
313 int ret;
314 if (argc != 4)
315 usage(git_config_set_usage);
316 ret = git_config_rename_section(argv[2], argv[3]);
317 if (ret < 0)
318 return ret;
319 if (ret == 0) {
320 fprintf(stderr, "No such section!\n");
321 return 1;
322 }
323 return 0;
32043c9f 324 }
118f8b24
PB
325 else if (!strcmp(argv[1], "--remove-section")) {
326 int ret;
327 if (argc != 3)
328 usage(git_config_set_usage);
329 ret = git_config_rename_section(argv[2], NULL);
330 if (ret < 0)
331 return ret;
332 if (ret == 0) {
333 fprintf(stderr, "No such section!\n");
334 return 1;
335 }
336 return 0;
9ce03522
JH
337 } else if (!strcmp(argv[1], "--get-color")) {
338 return get_color(argc-2, argv+2);
0f6f5a40
JH
339 } else if (!strcmp(argv[1], "--get-colorbool")) {
340 return get_colorbool(argc-2, argv+2);
9ce03522 341 } else
7162dff3
PB
342 break;
343 argc--;
344 argv++;
345 }
346
1b1e59c5
JS
347 switch (argc) {
348 case 2:
4ddba79d 349 return get_value(argv[1], NULL);
1b1e59c5
JS
350 case 3:
351 if (!strcmp(argv[1], "--unset"))
352 return git_config_set(argv[2], NULL);
4ddba79d
JS
353 else if (!strcmp(argv[1], "--unset-all"))
354 return git_config_set_multivar(argv[2], NULL, NULL, 1);
355 else if (!strcmp(argv[1], "--get"))
356 return get_value(argv[2], NULL);
357 else if (!strcmp(argv[1], "--get-all")) {
358 do_all = 1;
359 return get_value(argv[2], NULL);
2fa9a0fb
JS
360 } else if (!strcmp(argv[1], "--get-regexp")) {
361 show_keys = 1;
362 use_key_regexp = 1;
363 do_all = 1;
364 return get_value(argv[2], NULL);
db1696b8
FL
365 } else {
366 value = normalize_value(argv[1], argv[2]);
367 return git_config_set(argv[1], value);
368 }
1b1e59c5
JS
369 case 4:
370 if (!strcmp(argv[1], "--unset"))
4ddba79d
JS
371 return git_config_set_multivar(argv[2], NULL, argv[3], 0);
372 else if (!strcmp(argv[1], "--unset-all"))
373 return git_config_set_multivar(argv[2], NULL, argv[3], 1);
374 else if (!strcmp(argv[1], "--get"))
375 return get_value(argv[2], argv[3]);
376 else if (!strcmp(argv[1], "--get-all")) {
377 do_all = 1;
378 return get_value(argv[2], argv[3]);
2fa9a0fb
JS
379 } else if (!strcmp(argv[1], "--get-regexp")) {
380 show_keys = 1;
381 use_key_regexp = 1;
382 do_all = 1;
383 return get_value(argv[2], argv[3]);
db1696b8
FL
384 } else if (!strcmp(argv[1], "--add")) {
385 value = normalize_value(argv[2], argv[3]);
386 return git_config_set_multivar(argv[2], value, "^$", 0);
387 } else if (!strcmp(argv[1], "--replace-all")) {
388 value = normalize_value(argv[2], argv[3]);
389 return git_config_set_multivar(argv[2], value, NULL, 1);
390 } else {
391 value = normalize_value(argv[1], argv[2]);
392 return git_config_set_multivar(argv[1], value, argv[3], 0);
393 }
4ddba79d 394 case 5:
db1696b8
FL
395 if (!strcmp(argv[1], "--replace-all")) {
396 value = normalize_value(argv[2], argv[3]);
397 return git_config_set_multivar(argv[2], value, argv[4], 1);
398 }
4ddba79d 399 case 1:
1b1e59c5
JS
400 default:
401 usage(git_config_set_usage);
402 }
403 return 0;
404}