Documentation: color.* = true means "auto"
[git/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[] =
9ce03522 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]";
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)) {
171 color_parse(value, var, parsed_color);
172 get_color_found = 1;
173 }
174 return 0;
175}
176
177static int get_color(int argc, const char **argv)
178{
179 /*
180 * grab the color setting for the given slot from the configuration,
181 * or parse the default value if missing, and return ANSI color
182 * escape sequence.
183 *
184 * e.g.
185 * git config --get-color color.diff.whitespace "blue reverse"
186 */
187 const char *def_color = NULL;
188
189 switch (argc) {
190 default:
191 usage(git_config_set_usage);
192 case 2:
193 def_color = argv[1];
194 /* fallthru */
195 case 1:
196 get_color_slot = argv[0];
197 break;
198 }
199
200 get_color_found = 0;
201 parsed_color[0] = '\0';
202 git_config(git_get_color_config);
203
204 if (!get_color_found && def_color)
205 color_parse(def_color, "command line", parsed_color);
206
207 fputs(parsed_color, stdout);
208 return 0;
209}
210
e0d10e1c 211int cmd_config(int argc, const char **argv, const char *prefix)
1b1e59c5 212{
4d599e6b 213 int nongit = 0;
db1696b8 214 char* value;
1ae14a6b 215 const char *file = setup_git_directory_gently(&nongit);
7162dff3
PB
216
217 while (1 < argc) {
218 if (!strcmp(argv[1], "--int"))
219 type = T_INT;
220 else if (!strcmp(argv[1], "--bool"))
221 type = T_BOOL;
a72c874e
FL
222 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
223 if (argc != 2)
224 usage(git_config_set_usage);
93a56c2c
GP
225 if (git_config(show_all_config) < 0 && file && errno)
226 die("unable to read config file %s: %s", file,
227 strerror(errno));
228 return 0;
a72c874e 229 }
34eb3340
SE
230 else if (!strcmp(argv[1], "--global")) {
231 char *home = getenv("HOME");
232 if (home) {
233 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
7627943a 234 setenv(CONFIG_ENVIRONMENT, user_config, 1);
34eb3340
SE
235 free(user_config);
236 } else {
237 die("$HOME not set");
238 }
32043c9f
JS
239 }
240 else if (!strcmp(argv[1], "--system"))
506b17b1 241 setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
67d454fe
AR
242 else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
243 if (argc < 3)
244 usage(git_config_set_usage);
1ae14a6b
GP
245 if (!is_absolute_path(argv[2]) && file)
246 file = prefix_filename(file, strlen(file),
247 argv[2]);
248 else
249 file = argv[2];
250 setenv(CONFIG_ENVIRONMENT, file, 1);
67d454fe
AR
251 argc--;
252 argv++;
253 }
2275d502
FL
254 else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
255 term = '\0';
256 delim = '\n';
257 key_delim = '\n';
258 }
32043c9f 259 else if (!strcmp(argv[1], "--rename-section")) {
0667fcfb
JS
260 int ret;
261 if (argc != 4)
262 usage(git_config_set_usage);
263 ret = git_config_rename_section(argv[2], argv[3]);
264 if (ret < 0)
265 return ret;
266 if (ret == 0) {
267 fprintf(stderr, "No such section!\n");
268 return 1;
269 }
270 return 0;
32043c9f 271 }
118f8b24
PB
272 else if (!strcmp(argv[1], "--remove-section")) {
273 int ret;
274 if (argc != 3)
275 usage(git_config_set_usage);
276 ret = git_config_rename_section(argv[2], NULL);
277 if (ret < 0)
278 return ret;
279 if (ret == 0) {
280 fprintf(stderr, "No such section!\n");
281 return 1;
282 }
283 return 0;
9ce03522
JH
284 } else if (!strcmp(argv[1], "--get-color")) {
285 return get_color(argc-2, argv+2);
286 } else
7162dff3
PB
287 break;
288 argc--;
289 argv++;
290 }
291
1b1e59c5
JS
292 switch (argc) {
293 case 2:
4ddba79d 294 return get_value(argv[1], NULL);
1b1e59c5
JS
295 case 3:
296 if (!strcmp(argv[1], "--unset"))
297 return git_config_set(argv[2], NULL);
4ddba79d
JS
298 else if (!strcmp(argv[1], "--unset-all"))
299 return git_config_set_multivar(argv[2], NULL, NULL, 1);
300 else if (!strcmp(argv[1], "--get"))
301 return get_value(argv[2], NULL);
302 else if (!strcmp(argv[1], "--get-all")) {
303 do_all = 1;
304 return get_value(argv[2], NULL);
2fa9a0fb
JS
305 } else if (!strcmp(argv[1], "--get-regexp")) {
306 show_keys = 1;
307 use_key_regexp = 1;
308 do_all = 1;
309 return get_value(argv[2], NULL);
db1696b8
FL
310 } else {
311 value = normalize_value(argv[1], argv[2]);
312 return git_config_set(argv[1], value);
313 }
1b1e59c5
JS
314 case 4:
315 if (!strcmp(argv[1], "--unset"))
4ddba79d
JS
316 return git_config_set_multivar(argv[2], NULL, argv[3], 0);
317 else if (!strcmp(argv[1], "--unset-all"))
318 return git_config_set_multivar(argv[2], NULL, argv[3], 1);
319 else if (!strcmp(argv[1], "--get"))
320 return get_value(argv[2], argv[3]);
321 else if (!strcmp(argv[1], "--get-all")) {
322 do_all = 1;
323 return get_value(argv[2], argv[3]);
2fa9a0fb
JS
324 } else if (!strcmp(argv[1], "--get-regexp")) {
325 show_keys = 1;
326 use_key_regexp = 1;
327 do_all = 1;
328 return get_value(argv[2], argv[3]);
db1696b8
FL
329 } else if (!strcmp(argv[1], "--add")) {
330 value = normalize_value(argv[2], argv[3]);
331 return git_config_set_multivar(argv[2], value, "^$", 0);
332 } else if (!strcmp(argv[1], "--replace-all")) {
333 value = normalize_value(argv[2], argv[3]);
334 return git_config_set_multivar(argv[2], value, NULL, 1);
335 } else {
336 value = normalize_value(argv[1], argv[2]);
337 return git_config_set_multivar(argv[1], value, argv[3], 0);
338 }
4ddba79d 339 case 5:
db1696b8
FL
340 if (!strcmp(argv[1], "--replace-all")) {
341 value = normalize_value(argv[2], argv[3]);
342 return git_config_set_multivar(argv[2], value, argv[4], 1);
343 }
4ddba79d 344 case 1:
1b1e59c5
JS
345 default:
346 usage(git_config_set_usage);
347 }
348 return 0;
349}