7d2063c1d2e9564306bb2807548f28a067ccdb88
[git/git.git] / builtin-config.c
1 #include "builtin.h"
2 #include "cache.h"
3
4 static const char git_config_set_usage[] =
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";
6
7 static char *key;
8 static regex_t *key_regexp;
9 static regex_t *regexp;
10 static int show_keys;
11 static int use_key_regexp;
12 static int do_all;
13 static int do_not_match;
14 static int seen;
15 static char delim = '=';
16 static char key_delim = ' ';
17 static char term = '\n';
18 static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
19
20 static int show_all_config(const char *key_, const char *value_)
21 {
22 if (value_)
23 printf("%s%c%s%c", key_, delim, value_, term);
24 else
25 printf("%s%c", key_, term);
26 return 0;
27 }
28
29 static int show_config(const char* key_, const char* value_)
30 {
31 char value[256];
32 const char *vptr = value;
33 int dup_error = 0;
34
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 &&
40 (do_not_match ^
41 regexec(regexp, (value_?value_:""), 0, NULL, 0)))
42 return 0;
43
44 if (show_keys) {
45 if (value_)
46 printf("%s%c", key_, key_delim);
47 else
48 printf("%s", key_);
49 }
50 if (seen && !do_all)
51 dup_error = 1;
52 if (type == T_INT)
53 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
54 else if (type == T_BOOL)
55 vptr = git_config_bool(key_, value_) ? "true" : "false";
56 else
57 vptr = value_?value_:"";
58 seen++;
59 if (dup_error) {
60 error("More than one value for the key %s: %s",
61 key_, vptr);
62 }
63 else
64 printf("%s%c", vptr, term);
65
66 return 0;
67 }
68
69 static int get_value(const char* key_, const char* regex_)
70 {
71 int ret = -1;
72 char *tl;
73 char *global = NULL, *repo_config = NULL;
74 const char *system_wide = NULL, *local;
75
76 local = getenv(CONFIG_ENVIRONMENT);
77 if (!local) {
78 const char *home = getenv("HOME");
79 local = getenv(CONFIG_LOCAL_ENVIRONMENT);
80 if (!local)
81 local = repo_config = xstrdup(git_path("config"));
82 if (home)
83 global = xstrdup(mkpath("%s/.gitconfig", home));
84 system_wide = ETC_GITCONFIG;
85 }
86
87 key = xstrdup(key_);
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);
92
93 if (use_key_regexp) {
94 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
95 if (regcomp(key_regexp, key, REG_EXTENDED)) {
96 fprintf(stderr, "Invalid key pattern: %s\n", key_);
97 goto free_strings;
98 }
99 }
100
101 if (regex_) {
102 if (regex_[0] == '!') {
103 do_not_match = 1;
104 regex_++;
105 }
106
107 regexp = (regex_t*)xmalloc(sizeof(regex_t));
108 if (regcomp(regexp, regex_, REG_EXTENDED)) {
109 fprintf(stderr, "Invalid pattern: %s\n", regex_);
110 goto free_strings;
111 }
112 }
113
114 if (do_all && system_wide)
115 git_config_from_file(show_config, system_wide);
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);
121 if (!do_all && !seen && system_wide)
122 git_config_from_file(show_config, system_wide);
123
124 free(key);
125 if (regexp) {
126 regfree(regexp);
127 free(regexp);
128 }
129
130 if (do_all)
131 ret = !seen;
132 else
133 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
134
135 free_strings:
136 free(repo_config);
137 free(global);
138 return ret;
139 }
140
141 char *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
164 int cmd_config(int argc, const char **argv, const char *prefix)
165 {
166 int nongit = 0;
167 char* value;
168 setup_git_directory_gently(&nongit);
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;
175 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
176 return git_config(show_all_config);
177 else if (!strcmp(argv[1], "--global")) {
178 char *home = getenv("HOME");
179 if (home) {
180 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
181 setenv(CONFIG_ENVIRONMENT, user_config, 1);
182 free(user_config);
183 } else {
184 die("$HOME not set");
185 }
186 }
187 else if (!strcmp(argv[1], "--system"))
188 setenv(CONFIG_ENVIRONMENT, ETC_GITCONFIG, 1);
189 else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
190 term = '\0';
191 delim = '\n';
192 key_delim = '\n';
193 }
194 else if (!strcmp(argv[1], "--rename-section")) {
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;
206 }
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 }
220 else
221 break;
222 argc--;
223 argv++;
224 }
225
226 switch (argc) {
227 case 2:
228 return get_value(argv[1], NULL);
229 case 3:
230 if (!strcmp(argv[1], "--unset"))
231 return git_config_set(argv[2], NULL);
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);
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);
244 } else {
245 value = normalize_value(argv[1], argv[2]);
246 return git_config_set(argv[1], value);
247 }
248 case 4:
249 if (!strcmp(argv[1], "--unset"))
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]);
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]);
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 }
273 case 5:
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 }
278 case 1:
279 default:
280 usage(git_config_set_usage);
281 }
282 return 0;
283 }