gitweb: Separate search regexp from search text
[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 ] [--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 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 *system_wide = NULL, *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                 system_wide = ETC_GITCONFIG;
78         }
79
80         key = xstrdup(key_);
81         for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
82                 *tl = tolower(*tl);
83         for (tl=key; *tl && *tl != '.'; ++tl)
84                 *tl = tolower(*tl);
85
86         if (use_key_regexp) {
87                 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
88                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
89                         fprintf(stderr, "Invalid key pattern: %s\n", key_);
90                         goto free_strings;
91                 }
92         }
93
94         if (regex_) {
95                 if (regex_[0] == '!') {
96                         do_not_match = 1;
97                         regex_++;
98                 }
99
100                 regexp = (regex_t*)xmalloc(sizeof(regex_t));
101                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
102                         fprintf(stderr, "Invalid pattern: %s\n", regex_);
103                         goto free_strings;
104                 }
105         }
106
107         if (do_all && system_wide)
108                 git_config_from_file(show_config, system_wide);
109         if (do_all && global)
110                 git_config_from_file(show_config, global);
111         git_config_from_file(show_config, local);
112         if (!do_all && !seen && global)
113                 git_config_from_file(show_config, global);
114         if (!do_all && !seen && system_wide)
115                 git_config_from_file(show_config, system_wide);
116
117         free(key);
118         if (regexp) {
119                 regfree(regexp);
120                 free(regexp);
121         }
122
123         if (do_all)
124                 ret = !seen;
125         else
126                 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
127
128 free_strings:
129         free(repo_config);
130         free(global);
131         return ret;
132 }
133
134 int cmd_config(int argc, const char **argv, const char *prefix)
135 {
136         int nongit = 0;
137         setup_git_directory_gently(&nongit);
138
139         while (1 < argc) {
140                 if (!strcmp(argv[1], "--int"))
141                         type = T_INT;
142                 else if (!strcmp(argv[1], "--bool"))
143                         type = T_BOOL;
144                 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
145                         return git_config(show_all_config);
146                 else if (!strcmp(argv[1], "--global")) {
147                         char *home = getenv("HOME");
148                         if (home) {
149                                 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
150                                 setenv("GIT_CONFIG", user_config, 1);
151                                 free(user_config);
152                         } else {
153                                 die("$HOME not set");
154                         }
155                 }
156                 else if (!strcmp(argv[1], "--system"))
157                         setenv("GIT_CONFIG", ETC_GITCONFIG, 1);
158                 else if (!strcmp(argv[1], "--rename-section")) {
159                         int ret;
160                         if (argc != 4)
161                                 usage(git_config_set_usage);
162                         ret = git_config_rename_section(argv[2], argv[3]);
163                         if (ret < 0)
164                                 return ret;
165                         if (ret == 0) {
166                                 fprintf(stderr, "No such section!\n");
167                                 return 1;
168                         }
169                         return 0;
170                 }
171                 else if (!strcmp(argv[1], "--remove-section")) {
172                         int ret;
173                         if (argc != 3)
174                                 usage(git_config_set_usage);
175                         ret = git_config_rename_section(argv[2], NULL);
176                         if (ret < 0)
177                                 return ret;
178                         if (ret == 0) {
179                                 fprintf(stderr, "No such section!\n");
180                                 return 1;
181                         }
182                         return 0;
183                 }
184                 else
185                         break;
186                 argc--;
187                 argv++;
188         }
189
190         switch (argc) {
191         case 2:
192                 return get_value(argv[1], NULL);
193         case 3:
194                 if (!strcmp(argv[1], "--unset"))
195                         return git_config_set(argv[2], NULL);
196                 else if (!strcmp(argv[1], "--unset-all"))
197                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
198                 else if (!strcmp(argv[1], "--get"))
199                         return get_value(argv[2], NULL);
200                 else if (!strcmp(argv[1], "--get-all")) {
201                         do_all = 1;
202                         return get_value(argv[2], NULL);
203                 } else if (!strcmp(argv[1], "--get-regexp")) {
204                         show_keys = 1;
205                         use_key_regexp = 1;
206                         do_all = 1;
207                         return get_value(argv[2], NULL);
208                 } else
209
210                         return git_config_set(argv[1], argv[2]);
211         case 4:
212                 if (!strcmp(argv[1], "--unset"))
213                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
214                 else if (!strcmp(argv[1], "--unset-all"))
215                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
216                 else if (!strcmp(argv[1], "--get"))
217                         return get_value(argv[2], argv[3]);
218                 else if (!strcmp(argv[1], "--get-all")) {
219                         do_all = 1;
220                         return get_value(argv[2], argv[3]);
221                 } else if (!strcmp(argv[1], "--get-regexp")) {
222                         show_keys = 1;
223                         use_key_regexp = 1;
224                         do_all = 1;
225                         return get_value(argv[2], argv[3]);
226                 } else if (!strcmp(argv[1], "--add"))
227                         return git_config_set_multivar(argv[2], argv[3], "^$", 0);
228                 else if (!strcmp(argv[1], "--replace-all"))
229
230                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
231                 else
232
233                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
234         case 5:
235                 if (!strcmp(argv[1], "--replace-all"))
236                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
237         case 1:
238         default:
239                 usage(git_config_set_usage);
240         }
241         return 0;
242 }