builtin-config.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3
   4 static const char git_config_set_usage[] =
   5 "git-config [ --global ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_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                 printf("%s ", key_);
  43         if (seen && !do_all)
  44                 dup_error = 1;
  45         if (type == T_INT)
  46                 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
  47         else if (type == T_BOOL)
  48                 vptr = git_config_bool(key_, value_) ? "true" : "false";
  49         else
  50                 vptr = value_?value_:"";
  51         seen++;
  52         if (dup_error) {
  53                 error("More than one value for the key %s: %s",
  54                                 key_, vptr);
  55         }
  56         else
  57                 printf("%s\n", vptr);
  58
  59         return 0;
  60 }
  61
  62 static int get_value(const char* key_, const char* regex_)
  63 {
  64         int ret = -1;
  65         char *tl;
  66         char *global = NULL, *repo_config = NULL;
  67         const char *system_wide = NULL, *local;
  68
  69         local = getenv(CONFIG_ENVIRONMENT);
  70         if (!local) {
  71                 const char *home = getenv("HOME");
  72                 local = getenv(CONFIG_LOCAL_ENVIRONMENT);
  73                 if (!local)
  74                         local = repo_config = xstrdup(git_path("config"));
  75                 if (home)
  76                         global = xstrdup(mkpath("%s/.gitconfig", home));
  77                 system_wide = ETC_GITCONFIG;
  78         }
  79
  80         key = xstrdup(key_);
  81         for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
  82                 *tl = tolower(*tl);
  83         for (tl=key; *tl && *tl != '.'; ++tl)
  84                 *tl = tolower(*tl);
  85
  86         if (use_key_regexp) {
  87                 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
  88                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
  89                         fprintf(stderr, "Invalid key pattern: %s\n", key_);
  90                         goto free_strings;
  91                 }
  92         }
  93
  94         if (regex_) {
  95                 if (regex_[0] == '!') {
  96                         do_not_match = 1;
  97                         regex_++;
  98                 }
  99
 100                 regexp = (regex_t*)xmalloc(sizeof(regex_t));
 101                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
 102                         fprintf(stderr, "Invalid pattern: %s\n", regex_);
 103                         goto free_strings;
 104                 }
 105         }
 106
 107         if (do_all && system_wide)
 108                 git_config_from_file(show_config, system_wide);
 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         if (!do_all && !seen && system_wide)
 115                 git_config_from_file(show_config, system_wide);
 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 : seen > 1 ? 2 : 1;
 127
 128 free_strings:
 129         free(repo_config);
 130         free(global);
 131         return ret;
 132 }
 133
 134 int cmd_config(int argc, const char **argv, const char *prefix)
 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 if (!strcmp(argv[1], "--global")) {
 147                         char *home = getenv("HOME");
 148                         if (home) {
 149                                 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 150                                 setenv("GIT_CONFIG", user_config, 1);
 151                                 free(user_config);
 152                         } else {
 153                                 die("$HOME not set");
 154                         }
 155                 }
 156                 else if (!strcmp(argv[1], "--system"))
 157                         setenv("GIT_CONFIG", ETC_GITCONFIG, 1);
 158                 else if (!strcmp(argv[1], "--rename-section")) {
 159                         int ret;
 160                         if (argc != 4)
 161                                 usage(git_config_set_usage);
 162                         ret = git_config_rename_section(argv[2], argv[3]);
 163                         if (ret < 0)
 164                                 return ret;
 165                         if (ret == 0) {
 166                                 fprintf(stderr, "No such section!\n");
 167                                 return 1;
 168                         }
 169                         return 0;
 170                 }
 171                 else
 172                         break;
 173                 argc--;
 174                 argv++;
 175         }
 176
 177         switch (argc) {
 178         case 2:
 179                 return get_value(argv[1], NULL);
 180         case 3:
 181                 if (!strcmp(argv[1], "--unset"))
 182                         return git_config_set(argv[2], NULL);
 183                 else if (!strcmp(argv[1], "--unset-all"))
 184                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
 185                 else if (!strcmp(argv[1], "--get"))
 186                         return get_value(argv[2], NULL);
 187                 else if (!strcmp(argv[1], "--get-all")) {
 188                         do_all = 1;
 189                         return get_value(argv[2], NULL);
 190                 } else if (!strcmp(argv[1], "--get-regexp")) {
 191                         show_keys = 1;
 192                         use_key_regexp = 1;
 193                         do_all = 1;
 194                         return get_value(argv[2], NULL);
 195                 } else
 196
 197                         return git_config_set(argv[1], argv[2]);
 198         case 4:
 199                 if (!strcmp(argv[1], "--unset"))
 200                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 201                 else if (!strcmp(argv[1], "--unset-all"))
 202                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 203                 else if (!strcmp(argv[1], "--get"))
 204                         return get_value(argv[2], argv[3]);
 205                 else if (!strcmp(argv[1], "--get-all")) {
 206                         do_all = 1;
 207                         return get_value(argv[2], argv[3]);
 208                 } else if (!strcmp(argv[1], "--get-regexp")) {
 209                         show_keys = 1;
 210                         use_key_regexp = 1;
 211                         do_all = 1;
 212                         return get_value(argv[2], argv[3]);
 213                 } else if (!strcmp(argv[1], "--add"))
 214                         return git_config_set_multivar(argv[2], argv[3], "^$", 0);
 215                 else if (!strcmp(argv[1], "--replace-all"))
 216
 217                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 218                 else
 219
 220                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 221         case 5:
 222                 if (!strcmp(argv[1], "--replace-all"))
 223                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 224         case 1:
 225         default:
 226                 usage(git_config_set_usage);
 227         }
 228         return 0;
 229 }