make the name of the library directory a config option
[git/git.git] / builtin-config.c
CommitLineData
e12c095a 1#include "builtin.h"
1b1e59c5
JS
2#include "cache.h"
3
4static const char git_config_set_usage[] =
2275d502 5"git-config [ --global | --system ] [ --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";
4ddba79d 6
96f1e58f
DR
7static char *key;
8static regex_t *key_regexp;
9static regex_t *regexp;
10static int show_keys;
11static int use_key_regexp;
12static int do_all;
13static int do_not_match;
14static int seen;
2275d502
FL
15static char delim = '=';
16static char key_delim = ' ';
17static char term = '\n';
7162dff3 18static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
4ddba79d 19
de791f15
PB
20static int show_all_config(const char *key_, const char *value_)
21{
22 if (value_)
2275d502 23 printf("%s%c%s%c", key_, delim, value_, term);
de791f15 24 else
2275d502 25 printf("%s%c", key_, term);
de791f15
PB
26 return 0;
27}
28
4ddba79d
JS
29static int show_config(const char* key_, const char* value_)
30{
e098c6f8
JH
31 char value[256];
32 const char *vptr = value;
8f5ff31f 33 int dup_error = 0;
e098c6f8 34
8f5ff31f
JS
35 if (!use_key_regexp && strcmp(key_, key))
36 return 0;
37 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
38 return 0;
39 if (regexp != NULL &&
f98d863d 40 (do_not_match ^
acb70149 41 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));
32043c9f 84 system_wide = 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
e0d10e1c 164int cmd_config(int argc, const char **argv, const char *prefix)
1b1e59c5 165{
4d599e6b 166 int nongit = 0;
db1696b8 167 char* value;
4d599e6b 168 setup_git_directory_gently(&nongit);
7162dff3
PB
169
170 while (1 < argc) {
171 if (!strcmp(argv[1], "--int"))
172 type = T_INT;
173 else if (!strcmp(argv[1], "--bool"))
174 type = T_BOOL;
cfa24e18
JS
175 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
176 return git_config(show_all_config);
34eb3340
SE
177 else if (!strcmp(argv[1], "--global")) {
178 char *home = getenv("HOME");
179 if (home) {
180 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
7627943a 181 setenv(CONFIG_ENVIRONMENT, user_config, 1);
34eb3340
SE
182 free(user_config);
183 } else {
184 die("$HOME not set");
185 }
32043c9f
JS
186 }
187 else if (!strcmp(argv[1], "--system"))
7627943a 188 setenv(CONFIG_ENVIRONMENT, ETC_GITCONFIG, 1);
2275d502
FL
189 else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
190 term = '\0';
191 delim = '\n';
192 key_delim = '\n';
193 }
32043c9f 194 else if (!strcmp(argv[1], "--rename-section")) {
0667fcfb
JS
195 int ret;
196 if (argc != 4)
197 usage(git_config_set_usage);
198 ret = git_config_rename_section(argv[2], argv[3]);
199 if (ret < 0)
200 return ret;
201 if (ret == 0) {
202 fprintf(stderr, "No such section!\n");
203 return 1;
204 }
205 return 0;
32043c9f 206 }
118f8b24
PB
207 else if (!strcmp(argv[1], "--remove-section")) {
208 int ret;
209 if (argc != 3)
210 usage(git_config_set_usage);
211 ret = git_config_rename_section(argv[2], NULL);
212 if (ret < 0)
213 return ret;
214 if (ret == 0) {
215 fprintf(stderr, "No such section!\n");
216 return 1;
217 }
218 return 0;
219 }
32043c9f 220 else
7162dff3
PB
221 break;
222 argc--;
223 argv++;
224 }
225
1b1e59c5
JS
226 switch (argc) {
227 case 2:
4ddba79d 228 return get_value(argv[1], NULL);
1b1e59c5
JS
229 case 3:
230 if (!strcmp(argv[1], "--unset"))
231 return git_config_set(argv[2], NULL);
4ddba79d
JS
232 else if (!strcmp(argv[1], "--unset-all"))
233 return git_config_set_multivar(argv[2], NULL, NULL, 1);
234 else if (!strcmp(argv[1], "--get"))
235 return get_value(argv[2], NULL);
236 else if (!strcmp(argv[1], "--get-all")) {
237 do_all = 1;
238 return get_value(argv[2], NULL);
2fa9a0fb
JS
239 } else if (!strcmp(argv[1], "--get-regexp")) {
240 show_keys = 1;
241 use_key_regexp = 1;
242 do_all = 1;
243 return get_value(argv[2], NULL);
db1696b8
FL
244 } else {
245 value = normalize_value(argv[1], argv[2]);
246 return git_config_set(argv[1], value);
247 }
1b1e59c5
JS
248 case 4:
249 if (!strcmp(argv[1], "--unset"))
4ddba79d
JS
250 return git_config_set_multivar(argv[2], NULL, argv[3], 0);
251 else if (!strcmp(argv[1], "--unset-all"))
252 return git_config_set_multivar(argv[2], NULL, argv[3], 1);
253 else if (!strcmp(argv[1], "--get"))
254 return get_value(argv[2], argv[3]);
255 else if (!strcmp(argv[1], "--get-all")) {
256 do_all = 1;
257 return get_value(argv[2], argv[3]);
2fa9a0fb
JS
258 } else if (!strcmp(argv[1], "--get-regexp")) {
259 show_keys = 1;
260 use_key_regexp = 1;
261 do_all = 1;
262 return get_value(argv[2], argv[3]);
db1696b8
FL
263 } else if (!strcmp(argv[1], "--add")) {
264 value = normalize_value(argv[2], argv[3]);
265 return git_config_set_multivar(argv[2], value, "^$", 0);
266 } else if (!strcmp(argv[1], "--replace-all")) {
267 value = normalize_value(argv[2], argv[3]);
268 return git_config_set_multivar(argv[2], value, NULL, 1);
269 } else {
270 value = normalize_value(argv[1], argv[2]);
271 return git_config_set_multivar(argv[1], value, argv[3], 0);
272 }
4ddba79d 273 case 5:
db1696b8
FL
274 if (!strcmp(argv[1], "--replace-all")) {
275 value = normalize_value(argv[2], argv[3]);
276 return git_config_set_multivar(argv[2], value, argv[4], 1);
277 }
4ddba79d 278 case 1:
1b1e59c5
JS
279 default:
280 usage(git_config_set_usage);
281 }
282 return 0;
283}