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 | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list";
   6
   7 static char* key = NULL;
   8 static regex_t* key_regexp = NULL;
   9 static regex_t* regexp = NULL;
  10 static int show_keys = 0;
  11 static int use_key_regexp = 0;
  12 static int do_all = 0;
  13 static int do_not_match = 0;
  14 static int seen = 0;
  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 (value_ == NULL)
  33                 value_ = "";
  34
  35         if (!use_key_regexp && strcmp(key_, key))
  36                 return 0;
  37         if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
  38                 return 0;
  39         if (regexp != NULL &&
  40                          (do_not_match ^
  41                           regexec(regexp, value_, 0, NULL, 0)))
  42                 return 0;
  43
  44         if (show_keys)
  45                 printf("%s ", key_);
  46         if (seen && !do_all)
  47                 dup_error = 1;
  48         if (type == T_INT)
  49                 sprintf(value, "%d", git_config_int(key_, value_));
  50         else if (type == T_BOOL)
  51                 vptr = git_config_bool(key_, value_) ? "true" : "false";
  52         else
  53                 vptr = value_;
  54         seen++;
  55         if (dup_error) {
  56                 error("More than one value for the key %s: %s",
  57                                 key_, vptr);
  58         }
  59         else
  60                 printf("%s\n", vptr);
  61
  62         return 0;
  63 }
  64
  65 static int get_value(const char* key_, const char* regex_)
  66 {
  67         int ret = -1;
  68         char *tl;
  69         char *global = NULL, *repo_config = NULL;
  70         const char *local;
  71
  72         local = getenv("GIT_CONFIG");
  73         if (!local) {
  74                 const char *home = getenv("HOME");
  75                 local = getenv("GIT_CONFIG_LOCAL");
  76                 if (!local)
  77                         local = repo_config = strdup(git_path("config"));
  78                 if (home)
  79                         global = strdup(mkpath("%s/.gitconfig", home));
  80         }
  81
  82         key = strdup(key_);
  83         for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
  84                 *tl = tolower(*tl);
  85         for (tl=key; *tl && *tl != '.'; ++tl)
  86                 *tl = tolower(*tl);
  87
  88         if (use_key_regexp) {
  89                 key_regexp = (regex_t*)malloc(sizeof(regex_t));
  90                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
  91                         fprintf(stderr, "Invalid key pattern: %s\n", key_);
  92                         goto free_strings;
  93                 }
  94         }
  95
  96         if (regex_) {
  97                 if (regex_[0] == '!') {
  98                         do_not_match = 1;
  99                         regex_++;
 100                 }
 101
 102                 regexp = (regex_t*)malloc(sizeof(regex_t));
 103                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
 104                         fprintf(stderr, "Invalid pattern: %s\n", regex_);
 105                         goto free_strings;
 106                 }
 107         }
 108
 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
 115         free(key);
 116         if (regexp) {
 117                 regfree(regexp);
 118                 free(regexp);
 119         }
 120
 121         if (do_all)
 122                 ret = !seen;
 123         else
 124                 ret =  (seen == 1) ? 0 : 1;
 125
 126 free_strings:
 127         if (repo_config)
 128                 free(repo_config);
 129         if (global)
 130                 free(global);
 131         return ret;
 132 }
 133
 134 int main(int argc, const char **argv)
 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
 147                         break;
 148                 argc--;
 149                 argv++;
 150         }
 151
 152         switch (argc) {
 153         case 2:
 154                 return get_value(argv[1], NULL);
 155         case 3:
 156                 if (!strcmp(argv[1], "--unset"))
 157                         return git_config_set(argv[2], NULL);
 158                 else if (!strcmp(argv[1], "--unset-all"))
 159                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
 160                 else if (!strcmp(argv[1], "--get"))
 161                         return get_value(argv[2], NULL);
 162                 else if (!strcmp(argv[1], "--get-all")) {
 163                         do_all = 1;
 164                         return get_value(argv[2], NULL);
 165                 } else if (!strcmp(argv[1], "--get-regexp")) {
 166                         show_keys = 1;
 167                         use_key_regexp = 1;
 168                         do_all = 1;
 169                         return get_value(argv[2], NULL);
 170                 } else
 171
 172                         return git_config_set(argv[1], argv[2]);
 173         case 4:
 174                 if (!strcmp(argv[1], "--unset"))
 175                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 176                 else if (!strcmp(argv[1], "--unset-all"))
 177                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 178                 else if (!strcmp(argv[1], "--get"))
 179                         return get_value(argv[2], argv[3]);
 180                 else if (!strcmp(argv[1], "--get-all")) {
 181                         do_all = 1;
 182                         return get_value(argv[2], argv[3]);
 183                 } else if (!strcmp(argv[1], "--get-regexp")) {
 184                         show_keys = 1;
 185                         use_key_regexp = 1;
 186                         do_all = 1;
 187                         return get_value(argv[2], argv[3]);
 188                 } else if (!strcmp(argv[1], "--replace-all"))
 189
 190                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 191                 else
 192
 193                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 194         case 5:
 195                 if (!strcmp(argv[1], "--replace-all"))
 196                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 197         case 1:
 198         default:
 199                 usage(git_config_set_usage);
 200         }
 201         return 0;
 202 }