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         char *tl;
  52
  53         key = strdup(key_);
  54         for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
  55                 *tl = tolower(*tl);
  56         for (tl=key; *tl && *tl != '.'; ++tl)
  57                 *tl = tolower(*tl);
  58
  59         if (regex_) {
  60                 if (regex_[0] == '!') {
  61                         do_not_match = 1;
  62                         regex_++;
  63                 }
  64
  65                 regexp = (regex_t*)malloc(sizeof(regex_t));
  66                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
  67                         fprintf(stderr, "Invalid pattern: %s\n", regex_);
  68                         return -1;
  69                 }
  70         }
  71
  72         i = git_config(show_config);
  73         if (value) {
  74                 printf("%s\n", value);
  75                 free(value);
  76         }
  77         free(key);
  78         if (regexp) {
  79                 regfree(regexp);
  80                 free(regexp);
  81         }
  82
  83         if (do_all)
  84                 return 0;
  85
  86         return seen == 1 ? 0 : 1;
  87 }
  88
  89 int main(int argc, const char **argv)
  90 {
  91         setup_git_directory();
  92
  93         while (1 < argc) {
  94                 if (!strcmp(argv[1], "--int"))
  95                         type = T_INT;
  96                 else if (!strcmp(argv[1], "--bool"))
  97                         type = T_BOOL;
  98                 else
  99                         break;
 100                 argc--;
 101                 argv++;
 102         }
 103
 104         switch (argc) {
 105         case 2:
 106                 return get_value(argv[1], NULL);
 107         case 3:
 108                 if (!strcmp(argv[1], "--unset"))
 109                         return git_config_set(argv[2], NULL);
 110                 else if (!strcmp(argv[1], "--unset-all"))
 111                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
 112                 else if (!strcmp(argv[1], "--get"))
 113                         return get_value(argv[2], NULL);
 114                 else if (!strcmp(argv[1], "--get-all")) {
 115                         do_all = 1;
 116                         return get_value(argv[2], NULL);
 117                 } else
 118
 119                         return git_config_set(argv[1], argv[2]);
 120         case 4:
 121                 if (!strcmp(argv[1], "--unset"))
 122                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 123                 else if (!strcmp(argv[1], "--unset-all"))
 124                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 125                 else if (!strcmp(argv[1], "--get"))
 126                         return get_value(argv[2], argv[3]);
 127                 else if (!strcmp(argv[1], "--get-all")) {
 128                         do_all = 1;
 129                         return get_value(argv[2], argv[3]);
 130                 } else if (!strcmp(argv[1], "--replace-all"))
 131
 132                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 133                 else
 134
 135                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 136         case 5:
 137                 if (!strcmp(argv[1], "--replace-all"))
 138                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 139         case 1:
 140         default:
 141                 usage(git_config_set_usage);
 142         }
 143         return 0;
 144 }