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;
  78                 else
  79                         local = repo_config = strdup(git_path("config"));
  80                 if (home)
  81                         global = strdup(mkpath("%s/.gitconfig", home));
  82         }
  83
  84         key = strdup(key_);
  85         for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
  86                 *tl = tolower(*tl);
  87         for (tl=key; *tl && *tl != '.'; ++tl)
  88                 *tl = tolower(*tl);
  89
  90         if (use_key_regexp) {
  91                 key_regexp = (regex_t*)malloc(sizeof(regex_t));
  92                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
  93                         fprintf(stderr, "Invalid key pattern: %s\n", key_);
  94                         goto free_strings;
  95                 }
  96         }
  97
  98         if (regex_) {
  99                 if (regex_[0] == '!') {
 100                         do_not_match = 1;
 101                         regex_++;
 102                 }
 103
 104                 regexp = (regex_t*)malloc(sizeof(regex_t));
 105                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
 106                         fprintf(stderr, "Invalid pattern: %s\n", regex_);
 107                         goto free_strings;
 108                 }
 109         }
 110
 111         if (do_all && global)
 112                 git_config_from_file(show_config, global);
 113         git_config_from_file(show_config, local);
 114         if (!do_all && !seen && global)
 115                 git_config_from_file(show_config, global);
 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 : 1;
 127
 128 free_strings:
 129         if (repo_config)
 130                 free(repo_config);
 131         if (global)
 132                 free(global);
 133         return ret;
 134 }
 135
 136 int main(int argc, const char **argv)
 137 {
 138         int nongit = 0;
 139         setup_git_directory_gently(&nongit);
 140
 141         while (1 < argc) {
 142                 if (!strcmp(argv[1], "--int"))
 143                         type = T_INT;
 144                 else if (!strcmp(argv[1], "--bool"))
 145                         type = T_BOOL;
 146                 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
 147                         return git_config(show_all_config);
 148                 else
 149                         break;
 150                 argc--;
 151                 argv++;
 152         }
 153
 154         switch (argc) {
 155         case 2:
 156                 return get_value(argv[1], NULL);
 157         case 3:
 158                 if (!strcmp(argv[1], "--unset"))
 159                         return git_config_set(argv[2], NULL);
 160                 else if (!strcmp(argv[1], "--unset-all"))
 161                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
 162                 else if (!strcmp(argv[1], "--get"))
 163                         return get_value(argv[2], NULL);
 164                 else if (!strcmp(argv[1], "--get-all")) {
 165                         do_all = 1;
 166                         return get_value(argv[2], NULL);
 167                 } else if (!strcmp(argv[1], "--get-regexp")) {
 168                         show_keys = 1;
 169                         use_key_regexp = 1;
 170                         do_all = 1;
 171                         return get_value(argv[2], NULL);
 172                 } else
 173
 174                         return git_config_set(argv[1], argv[2]);
 175         case 4:
 176                 if (!strcmp(argv[1], "--unset"))
 177                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 178                 else if (!strcmp(argv[1], "--unset-all"))
 179                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 180                 else if (!strcmp(argv[1], "--get"))
 181                         return get_value(argv[2], argv[3]);
 182                 else if (!strcmp(argv[1], "--get-all")) {
 183                         do_all = 1;
 184                         return get_value(argv[2], argv[3]);
 185                 } else if (!strcmp(argv[1], "--get-regexp")) {
 186                         show_keys = 1;
 187                         use_key_regexp = 1;
 188                         do_all = 1;
 189                         return get_value(argv[2], argv[3]);
 190                 } else if (!strcmp(argv[1], "--replace-all"))
 191
 192                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 193                 else
 194
 195                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 196         case 5:
 197                 if (!strcmp(argv[1], "--replace-all"))
 198                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 199         case 1:
 200         default:
 201                 usage(git_config_set_usage);
 202         }
 203         return 0;
 204 }