builtin-repo-config.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include <regex.h>
   4
   5 static const char git_config_set_usage[] =
   6 "git-repo-config [ --global ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list";
   7
   8 static char *key;
   9 static regex_t *key_regexp;
  10 static regex_t *regexp;
  11 static int show_keys;
  12 static int use_key_regexp;
  13 static int do_all;
  14 static int do_not_match;
  15 static int seen;
  16 static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
  17
  18 static int show_all_config(const char *key_, const char *value_)
  19 {
  20         if (value_)
  21                 printf("%s=%s\n", key_, value_);
  22         else
  23                 printf("%s\n", key_);
  24         return 0;
  25 }
  26
  27 static int show_config(const char* key_, const char* value_)
  28 {
  29         char value[256];
  30         const char *vptr = value;
  31         int dup_error = 0;
  32
  33         if (!use_key_regexp && strcmp(key_, key))
  34                 return 0;
  35         if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
  36                 return 0;
  37         if (regexp != NULL &&
  38                          (do_not_match ^
  39                           regexec(regexp, (value_?value_:""), 0, NULL, 0)))
  40                 return 0;
  41
  42         if (show_keys)
  43                 printf("%s ", key_);
  44         if (seen && !do_all)
  45                 dup_error = 1;
  46         if (type == T_INT)
  47                 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
  48         else if (type == T_BOOL)
  49                 vptr = git_config_bool(key_, value_) ? "true" : "false";
  50         else
  51                 vptr = value_?value_:"";
  52         seen++;
  53         if (dup_error) {
  54                 error("More than one value for the key %s: %s",
  55                                 key_, vptr);
  56         }
  57         else
  58                 printf("%s\n", vptr);
  59
  60         return 0;
  61 }
  62
  63 static int get_value(const char* key_, const char* regex_)
  64 {
  65         int ret = -1;
  66         char *tl;
  67         char *global = NULL, *repo_config = NULL;
  68         const char *local;
  69
  70         local = getenv("GIT_CONFIG");
  71         if (!local) {
  72                 const char *home = getenv("HOME");
  73                 local = getenv("GIT_CONFIG_LOCAL");
  74                 if (!local)
  75                         local = repo_config = xstrdup(git_path("config"));
  76                 if (home)
  77                         global = xstrdup(mkpath("%s/.gitconfig", home));
  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 && global)
 108                 git_config_from_file(show_config, global);
 109         git_config_from_file(show_config, local);
 110         if (!do_all && !seen && global)
 111                 git_config_from_file(show_config, global);
 112
 113         free(key);
 114         if (regexp) {
 115                 regfree(regexp);
 116                 free(regexp);
 117         }
 118
 119         if (do_all)
 120                 ret = !seen;
 121         else
 122                 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
 123
 124 free_strings:
 125         free(repo_config);
 126         free(global);
 127         return ret;
 128 }
 129
 130 int cmd_repo_config(int argc, const char **argv, const char *prefix)
 131 {
 132         int nongit = 0;
 133         setup_git_directory_gently(&nongit);
 134
 135         while (1 < argc) {
 136                 if (!strcmp(argv[1], "--int"))
 137                         type = T_INT;
 138                 else if (!strcmp(argv[1], "--bool"))
 139                         type = T_BOOL;
 140                 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
 141                         return git_config(show_all_config);
 142                 else if (!strcmp(argv[1], "--global")) {
 143                         char *home = getenv("HOME");
 144                         if (home) {
 145                                 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 146                                 setenv("GIT_CONFIG", user_config, 1);
 147                                 free(user_config);
 148                         } else {
 149                                 die("$HOME not set");
 150                         }
 151                 } else
 152                         break;
 153                 argc--;
 154                 argv++;
 155         }
 156
 157         switch (argc) {
 158         case 2:
 159                 return get_value(argv[1], NULL);
 160         case 3:
 161                 if (!strcmp(argv[1], "--unset"))
 162                         return git_config_set(argv[2], NULL);
 163                 else if (!strcmp(argv[1], "--unset-all"))
 164                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
 165                 else if (!strcmp(argv[1], "--get"))
 166                         return get_value(argv[2], NULL);
 167                 else if (!strcmp(argv[1], "--get-all")) {
 168                         do_all = 1;
 169                         return get_value(argv[2], NULL);
 170                 } else if (!strcmp(argv[1], "--get-regexp")) {
 171                         show_keys = 1;
 172                         use_key_regexp = 1;
 173                         do_all = 1;
 174                         return get_value(argv[2], NULL);
 175                 } else
 176
 177                         return git_config_set(argv[1], argv[2]);
 178         case 4:
 179                 if (!strcmp(argv[1], "--unset"))
 180                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 181                 else if (!strcmp(argv[1], "--unset-all"))
 182                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 183                 else if (!strcmp(argv[1], "--get"))
 184                         return get_value(argv[2], argv[3]);
 185                 else if (!strcmp(argv[1], "--get-all")) {
 186                         do_all = 1;
 187                         return get_value(argv[2], argv[3]);
 188                 } else if (!strcmp(argv[1], "--get-regexp")) {
 189                         show_keys = 1;
 190                         use_key_regexp = 1;
 191                         do_all = 1;
 192                         return get_value(argv[2], argv[3]);
 193                 } else if (!strcmp(argv[1], "--replace-all"))
 194
 195                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 196                 else
 197
 198                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 199         case 5:
 200                 if (!strcmp(argv[1], "--replace-all"))
 201                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 202         case 1:
 203         default:
 204                 usage(git_config_set_usage);
 205         }
 206         return 0;
 207 }