Merge branch 'lt/diff' into next
[git.git] / repo-config.c
1 #include "cache.h"
2 #include <regex.h>
3
4 static const char git_config_set_usage[] =
5 "git-repo-config [ --bool | --int ] [--get | --get-all | --replace-all | --unset | --unset-all] name [value [value_regex]]";
6
7 static char* key = NULL;
8 static char* value = NULL;
9 static regex_t* regexp = NULL;
10 static int do_all = 0;
11 static int do_not_match = 0;
12 static int seen = 0;
13 static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
14
15 static int show_config(const char* key_, const char* value_)
16 {
17         if (value_ == NULL)
18                 value_ = "";
19
20         if (!strcmp(key_, key) &&
21                         (regexp == NULL ||
22                          (do_not_match ^
23                           !regexec(regexp, value_, 0, NULL, 0)))) {
24                 if (do_all) {
25                         printf("%s\n", value_);
26                         return 0;
27                 }
28                 if (seen > 0) {
29                         fprintf(stderr, "More than one value: %s\n", value);
30                         free(value);
31                 }
32
33                 if (type == T_INT) {
34                         value = malloc(256);
35                         sprintf(value, "%d", git_config_int(key_, value_));
36                 } else if (type == T_BOOL) {
37                         value = malloc(256);
38                         sprintf(value, "%s", git_config_bool(key_, value_)
39                                              ? "true" : "false");
40                 } else {
41                         value = strdup(value_);
42                 }
43                 seen++;
44         }
45         return 0;
46 }
47
48 static int get_value(const char* key_, const char* regex_)
49 {
50         int i;
51
52         key = malloc(strlen(key_)+1);
53         for (i = 0; key_[i]; i++)
54                 key[i] = tolower(key_[i]);
55         key[i] = 0;
56
57         if (regex_) {
58                 if (regex_[0] == '!') {
59                         do_not_match = 1;
60                         regex_++;
61                 }
62
63                 regexp = (regex_t*)malloc(sizeof(regex_t));
64                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
65                         fprintf(stderr, "Invalid pattern: %s\n", regex_);
66                         return -1;
67                 }
68         }
69
70         i = git_config(show_config);
71         if (value) {
72                 printf("%s\n", value);
73                 free(value);
74         }
75         free(key);
76         if (regexp) {
77                 regfree(regexp);
78                 free(regexp);
79         }
80
81         if (do_all)
82                 return 0;
83
84         return seen == 1 ? 0 : 1;
85 }
86
87 int main(int argc, const char **argv)
88 {
89         setup_git_directory();
90
91         while (1 < argc) {
92                 if (!strcmp(argv[1], "--int"))
93                         type = T_INT;
94                 else if (!strcmp(argv[1], "--bool"))
95                         type = T_BOOL;
96                 else
97                         break;
98                 argc--;
99                 argv++;
100         }
101
102         switch (argc) {
103         case 2:
104                 return get_value(argv[1], NULL);
105         case 3:
106                 if (!strcmp(argv[1], "--unset"))
107                         return git_config_set(argv[2], NULL);
108                 else if (!strcmp(argv[1], "--unset-all"))
109                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
110                 else if (!strcmp(argv[1], "--get"))
111                         return get_value(argv[2], NULL);
112                 else if (!strcmp(argv[1], "--get-all")) {
113                         do_all = 1;
114                         return get_value(argv[2], NULL);
115                 } else
116
117                         return git_config_set(argv[1], argv[2]);
118         case 4:
119                 if (!strcmp(argv[1], "--unset"))
120                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
121                 else if (!strcmp(argv[1], "--unset-all"))
122                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
123                 else if (!strcmp(argv[1], "--get"))
124                         return get_value(argv[2], argv[3]);
125                 else if (!strcmp(argv[1], "--get-all")) {
126                         do_all = 1;
127                         return get_value(argv[2], argv[3]);
128                 } else if (!strcmp(argv[1], "--replace-all"))
129
130                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
131                 else
132
133                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
134         case 5:
135                 if (!strcmp(argv[1], "--replace-all"))
136                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
137         case 1:
138         default:
139                 usage(git_config_set_usage);
140         }
141         return 0;
142 }