GIT 1.5.0
[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 ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_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 enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
16
17 static int show_all_config(const char *key_, const char *value_)
18 {
19 if (value_)
20 printf("%s=%s\n", key_, value_);
21 else
22 printf("%s\n", key_);
23 return 0;
24 }
25
26 static int show_config(const char* key_, const char* value_)
27 {
28 char value[256];
29 const char *vptr = value;
30 int dup_error = 0;
31
32 if (!use_key_regexp && strcmp(key_, key))
33 return 0;
34 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
35 return 0;
36 if (regexp != NULL &&
37 (do_not_match ^
38 regexec(regexp, (value_?value_:""), 0, NULL, 0)))
39 return 0;
40
41 if (show_keys)
42 printf("%s ", key_);
43 if (seen && !do_all)
44 dup_error = 1;
45 if (type == T_INT)
46 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
47 else if (type == T_BOOL)
48 vptr = git_config_bool(key_, value_) ? "true" : "false";
49 else
50 vptr = value_?value_:"";
51 seen++;
52 if (dup_error) {
53 error("More than one value for the key %s: %s",
54 key_, vptr);
55 }
56 else
57 printf("%s\n", vptr);
58
59 return 0;
60 }
61
62 static int get_value(const char* key_, const char* regex_)
63 {
64 int ret = -1;
65 char *tl;
66 char *global = NULL, *repo_config = NULL;
67 const char *local;
68
69 local = getenv(CONFIG_ENVIRONMENT);
70 if (!local) {
71 const char *home = getenv("HOME");
72 local = getenv(CONFIG_LOCAL_ENVIRONMENT);
73 if (!local)
74 local = repo_config = xstrdup(git_path("config"));
75 if (home)
76 global = xstrdup(mkpath("%s/.gitconfig", home));
77 }
78
79 key = xstrdup(key_);
80 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
81 *tl = tolower(*tl);
82 for (tl=key; *tl && *tl != '.'; ++tl)
83 *tl = tolower(*tl);
84
85 if (use_key_regexp) {
86 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
87 if (regcomp(key_regexp, key, REG_EXTENDED)) {
88 fprintf(stderr, "Invalid key pattern: %s\n", key_);
89 goto free_strings;
90 }
91 }
92
93 if (regex_) {
94 if (regex_[0] == '!') {
95 do_not_match = 1;
96 regex_++;
97 }
98
99 regexp = (regex_t*)xmalloc(sizeof(regex_t));
100 if (regcomp(regexp, regex_, REG_EXTENDED)) {
101 fprintf(stderr, "Invalid pattern: %s\n", regex_);
102 goto free_strings;
103 }
104 }
105
106 if (do_all && global)
107 git_config_from_file(show_config, global);
108 git_config_from_file(show_config, local);
109 if (!do_all && !seen && global)
110 git_config_from_file(show_config, global);
111
112 free(key);
113 if (regexp) {
114 regfree(regexp);
115 free(regexp);
116 }
117
118 if (do_all)
119 ret = !seen;
120 else
121 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
122
123 free_strings:
124 free(repo_config);
125 free(global);
126 return ret;
127 }
128
129 int cmd_config(int argc, const char **argv, const char *prefix)
130 {
131 int nongit = 0;
132 setup_git_directory_gently(&nongit);
133
134 while (1 < argc) {
135 if (!strcmp(argv[1], "--int"))
136 type = T_INT;
137 else if (!strcmp(argv[1], "--bool"))
138 type = T_BOOL;
139 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
140 return git_config(show_all_config);
141 else if (!strcmp(argv[1], "--global")) {
142 char *home = getenv("HOME");
143 if (home) {
144 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
145 setenv("GIT_CONFIG", user_config, 1);
146 free(user_config);
147 } else {
148 die("$HOME not set");
149 }
150 } else if (!strcmp(argv[1], "--rename-section")) {
151 int ret;
152 if (argc != 4)
153 usage(git_config_set_usage);
154 ret = git_config_rename_section(argv[2], argv[3]);
155 if (ret < 0)
156 return ret;
157 if (ret == 0) {
158 fprintf(stderr, "No such section!\n");
159 return 1;
160 }
161 return 0;
162 } else
163 break;
164 argc--;
165 argv++;
166 }
167
168 switch (argc) {
169 case 2:
170 return get_value(argv[1], NULL);
171 case 3:
172 if (!strcmp(argv[1], "--unset"))
173 return git_config_set(argv[2], NULL);
174 else if (!strcmp(argv[1], "--unset-all"))
175 return git_config_set_multivar(argv[2], NULL, NULL, 1);
176 else if (!strcmp(argv[1], "--get"))
177 return get_value(argv[2], NULL);
178 else if (!strcmp(argv[1], "--get-all")) {
179 do_all = 1;
180 return get_value(argv[2], NULL);
181 } else if (!strcmp(argv[1], "--get-regexp")) {
182 show_keys = 1;
183 use_key_regexp = 1;
184 do_all = 1;
185 return get_value(argv[2], NULL);
186 } else
187
188 return git_config_set(argv[1], argv[2]);
189 case 4:
190 if (!strcmp(argv[1], "--unset"))
191 return git_config_set_multivar(argv[2], NULL, argv[3], 0);
192 else if (!strcmp(argv[1], "--unset-all"))
193 return git_config_set_multivar(argv[2], NULL, argv[3], 1);
194 else if (!strcmp(argv[1], "--get"))
195 return get_value(argv[2], argv[3]);
196 else if (!strcmp(argv[1], "--get-all")) {
197 do_all = 1;
198 return get_value(argv[2], argv[3]);
199 } else if (!strcmp(argv[1], "--get-regexp")) {
200 show_keys = 1;
201 use_key_regexp = 1;
202 do_all = 1;
203 return get_value(argv[2], argv[3]);
204 } else if (!strcmp(argv[1], "--add"))
205 return git_config_set_multivar(argv[2], argv[3], "^$", 0);
206 else if (!strcmp(argv[1], "--replace-all"))
207
208 return git_config_set_multivar(argv[2], argv[3], NULL, 1);
209 else
210
211 return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
212 case 5:
213 if (!strcmp(argv[1], "--replace-all"))
214 return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
215 case 1:
216 default:
217 usage(git_config_set_usage);
218 }
219 return 0;
220 }