remove unnecessary initializations
[git/git.git] / builtin-repo-config.c
1 #include "builtin.h"
2 #include "cache.h"
3 #include <regex.h>
4
5 static const char git_config_set_usage[] =
6 "git-repo-config [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list";
7
8 static char *key;
9 static regex_t *key_regexp;
10 static regex_t *regexp;
11 static int show_keys;
12 static int use_key_regexp;
13 static int do_all;
14 static int do_not_match;
15 static int seen;
16 static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
17
18 static int show_all_config(const char *key_, const char *value_)
19 {
20 if (value_)
21 printf("%s=%s\n", key_, value_);
22 else
23 printf("%s\n", key_);
24 return 0;
25 }
26
27 static int show_config(const char* key_, const char* value_)
28 {
29 char value[256];
30 const char *vptr = value;
31 int dup_error = 0;
32
33 if (!use_key_regexp && strcmp(key_, key))
34 return 0;
35 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
36 return 0;
37 if (regexp != NULL &&
38 (do_not_match ^
39 regexec(regexp, (value_?value_:""), 0, NULL, 0)))
40 return 0;
41
42 if (show_keys)
43 printf("%s ", key_);
44 if (seen && !do_all)
45 dup_error = 1;
46 if (type == T_INT)
47 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
48 else if (type == T_BOOL)
49 vptr = git_config_bool(key_, value_) ? "true" : "false";
50 else
51 vptr = value_?value_:"";
52 seen++;
53 if (dup_error) {
54 error("More than one value for the key %s: %s",
55 key_, vptr);
56 }
57 else
58 printf("%s\n", vptr);
59
60 return 0;
61 }
62
63 static int get_value(const char* key_, const char* regex_)
64 {
65 int ret = -1;
66 char *tl;
67 char *global = NULL, *repo_config = NULL;
68 const char *local;
69
70 local = getenv("GIT_CONFIG");
71 if (!local) {
72 const char *home = getenv("HOME");
73 local = getenv("GIT_CONFIG_LOCAL");
74 if (!local)
75 local = repo_config = strdup(git_path("config"));
76 if (home)
77 global = strdup(mkpath("%s/.gitconfig", home));
78 }
79
80 key = strdup(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*)malloc(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*)malloc(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 && global)
108 git_config_from_file(show_config, global);
109 git_config_from_file(show_config, local);
110 if (!do_all && !seen && global)
111 git_config_from_file(show_config, global);
112
113 free(key);
114 if (regexp) {
115 regfree(regexp);
116 free(regexp);
117 }
118
119 if (do_all)
120 ret = !seen;
121 else
122 ret = (seen == 1) ? 0 : 1;
123
124 free_strings:
125 if (repo_config)
126 free(repo_config);
127 if (global)
128 free(global);
129 return ret;
130 }
131
132 int cmd_repo_config(int argc, const char **argv, const char *prefix)
133 {
134 int nongit = 0;
135 setup_git_directory_gently(&nongit);
136
137 while (1 < argc) {
138 if (!strcmp(argv[1], "--int"))
139 type = T_INT;
140 else if (!strcmp(argv[1], "--bool"))
141 type = T_BOOL;
142 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
143 return git_config(show_all_config);
144 else
145 break;
146 argc--;
147 argv++;
148 }
149
150 switch (argc) {
151 case 2:
152 return get_value(argv[1], NULL);
153 case 3:
154 if (!strcmp(argv[1], "--unset"))
155 return git_config_set(argv[2], NULL);
156 else if (!strcmp(argv[1], "--unset-all"))
157 return git_config_set_multivar(argv[2], NULL, NULL, 1);
158 else if (!strcmp(argv[1], "--get"))
159 return get_value(argv[2], NULL);
160 else if (!strcmp(argv[1], "--get-all")) {
161 do_all = 1;
162 return get_value(argv[2], NULL);
163 } else if (!strcmp(argv[1], "--get-regexp")) {
164 show_keys = 1;
165 use_key_regexp = 1;
166 do_all = 1;
167 return get_value(argv[2], NULL);
168 } else
169
170 return git_config_set(argv[1], argv[2]);
171 case 4:
172 if (!strcmp(argv[1], "--unset"))
173 return git_config_set_multivar(argv[2], NULL, argv[3], 0);
174 else if (!strcmp(argv[1], "--unset-all"))
175 return git_config_set_multivar(argv[2], NULL, argv[3], 1);
176 else if (!strcmp(argv[1], "--get"))
177 return get_value(argv[2], argv[3]);
178 else if (!strcmp(argv[1], "--get-all")) {
179 do_all = 1;
180 return get_value(argv[2], argv[3]);
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], argv[3]);
186 } else if (!strcmp(argv[1], "--replace-all"))
187
188 return git_config_set_multivar(argv[2], argv[3], NULL, 1);
189 else
190
191 return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
192 case 5:
193 if (!strcmp(argv[1], "--replace-all"))
194 return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
195 case 1:
196 default:
197 usage(git_config_set_usage);
198 }
199 return 0;
200 }