builtin-config.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3
   4 static const char git_config_set_usage[] =
   5 "git-config [ --global | --system ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --remove-section name | --list";
   6
   7 static char *key;
   8 static regex_t *key_regexp;
   9 static regex_t *regexp;
  10 static int show_keys;
  11 static int use_key_regexp;
  12 static int do_all;
  13 static int do_not_match;
  14 static int seen;
  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 (!use_key_regexp && strcmp(key_, key))
  33                 return 0;
  34         if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
  35                 return 0;
  36         if (regexp != NULL &&
  37                          (do_not_match ^
  38                           regexec(regexp, (value_?value_:""), 0, NULL, 0)))
  39                 return 0;
  40
  41         if (show_keys) {
  42                 if (value_)
  43                         printf("%s ", key_);
  44                 else
  45                         printf("%s", key_);
  46         }
  47         if (seen && !do_all)
  48                 dup_error = 1;
  49         if (type == T_INT)
  50                 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
  51         else if (type == T_BOOL)
  52                 vptr = git_config_bool(key_, value_) ? "true" : "false";
  53         else
  54                 vptr = value_?value_:"";
  55         seen++;
  56         if (dup_error) {
  57                 error("More than one value for the key %s: %s",
  58                                 key_, vptr);
  59         }
  60         else
  61                 printf("%s\n", vptr);
  62
  63         return 0;
  64 }
  65
  66 static int get_value(const char* key_, const char* regex_)
  67 {
  68         int ret = -1;
  69         char *tl;
  70         char *global = NULL, *repo_config = NULL;
  71         const char *system_wide = NULL, *local;
  72
  73         local = getenv(CONFIG_ENVIRONMENT);
  74         if (!local) {
  75                 const char *home = getenv("HOME");
  76                 local = getenv(CONFIG_LOCAL_ENVIRONMENT);
  77                 if (!local)
  78                         local = repo_config = xstrdup(git_path("config"));
  79                 if (home)
  80                         global = xstrdup(mkpath("%s/.gitconfig", home));
  81                 system_wide = ETC_GITCONFIG;
  82         }
  83
  84         key = xstrdup(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*)xmalloc(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*)xmalloc(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 && system_wide)
 112                 git_config_from_file(show_config, system_wide);
 113         if (do_all && global)
 114                 git_config_from_file(show_config, global);
 115         git_config_from_file(show_config, local);
 116         if (!do_all && !seen && global)
 117                 git_config_from_file(show_config, global);
 118         if (!do_all && !seen && system_wide)
 119                 git_config_from_file(show_config, system_wide);
 120
 121         free(key);
 122         if (regexp) {
 123                 regfree(regexp);
 124                 free(regexp);
 125         }
 126
 127         if (do_all)
 128                 ret = !seen;
 129         else
 130                 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
 131
 132 free_strings:
 133         free(repo_config);
 134         free(global);
 135         return ret;
 136 }
 137
 138 int cmd_config(int argc, const char **argv, const char *prefix)
 139 {
 140         int nongit = 0;
 141         setup_git_directory_gently(&nongit);
 142
 143         while (1 < argc) {
 144                 if (!strcmp(argv[1], "--int"))
 145                         type = T_INT;
 146                 else if (!strcmp(argv[1], "--bool"))
 147                         type = T_BOOL;
 148                 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
 149                         return git_config(show_all_config);
 150                 else if (!strcmp(argv[1], "--global")) {
 151                         char *home = getenv("HOME");
 152                         if (home) {
 153                                 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 154                                 setenv("GIT_CONFIG", user_config, 1);
 155                                 free(user_config);
 156                         } else {
 157                                 die("$HOME not set");
 158                         }
 159                 }
 160                 else if (!strcmp(argv[1], "--system"))
 161                         setenv("GIT_CONFIG", ETC_GITCONFIG, 1);
 162                 else if (!strcmp(argv[1], "--rename-section")) {
 163                         int ret;
 164                         if (argc != 4)
 165                                 usage(git_config_set_usage);
 166                         ret = git_config_rename_section(argv[2], argv[3]);
 167                         if (ret < 0)
 168                                 return ret;
 169                         if (ret == 0) {
 170                                 fprintf(stderr, "No such section!\n");
 171                                 return 1;
 172                         }
 173                         return 0;
 174                 }
 175                 else if (!strcmp(argv[1], "--remove-section")) {
 176                         int ret;
 177                         if (argc != 3)
 178                                 usage(git_config_set_usage);
 179                         ret = git_config_rename_section(argv[2], NULL);
 180                         if (ret < 0)
 181                                 return ret;
 182                         if (ret == 0) {
 183                                 fprintf(stderr, "No such section!\n");
 184                                 return 1;
 185                         }
 186                         return 0;
 187                 }
 188                 else
 189                         break;
 190                 argc--;
 191                 argv++;
 192         }
 193
 194         switch (argc) {
 195         case 2:
 196                 return get_value(argv[1], NULL);
 197         case 3:
 198                 if (!strcmp(argv[1], "--unset"))
 199                         return git_config_set(argv[2], NULL);
 200                 else if (!strcmp(argv[1], "--unset-all"))
 201                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
 202                 else if (!strcmp(argv[1], "--get"))
 203                         return get_value(argv[2], NULL);
 204                 else if (!strcmp(argv[1], "--get-all")) {
 205                         do_all = 1;
 206                         return get_value(argv[2], NULL);
 207                 } else if (!strcmp(argv[1], "--get-regexp")) {
 208                         show_keys = 1;
 209                         use_key_regexp = 1;
 210                         do_all = 1;
 211                         return get_value(argv[2], NULL);
 212                 } else
 213
 214                         return git_config_set(argv[1], argv[2]);
 215         case 4:
 216                 if (!strcmp(argv[1], "--unset"))
 217                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 218                 else if (!strcmp(argv[1], "--unset-all"))
 219                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 220                 else if (!strcmp(argv[1], "--get"))
 221                         return get_value(argv[2], argv[3]);
 222                 else if (!strcmp(argv[1], "--get-all")) {
 223                         do_all = 1;
 224                         return get_value(argv[2], argv[3]);
 225                 } else if (!strcmp(argv[1], "--get-regexp")) {
 226                         show_keys = 1;
 227                         use_key_regexp = 1;
 228                         do_all = 1;
 229                         return get_value(argv[2], argv[3]);
 230                 } else if (!strcmp(argv[1], "--add"))
 231                         return git_config_set_multivar(argv[2], argv[3], "^$", 0);
 232                 else if (!strcmp(argv[1], "--replace-all"))
 233
 234                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 235                 else
 236
 237                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 238         case 5:
 239                 if (!strcmp(argv[1], "--replace-all"))
 240                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 241         case 1:
 242         default:
 243                 usage(git_config_set_usage);
 244         }
 245         return 0;
 246 }