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 (!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 *local;
  68
  69         local = getenv("GIT_CONFIG");
  70         if (!local) {
  71                 const char *home = getenv("HOME");
  72                 local = getenv("GIT_CONFIG_LOCAL");
  73                 if (!local)
  74                         local = repo_config = strdup(git_path("config"));
  75                 if (home)
  76                         global = strdup(mkpath("%s/.gitconfig", home));
  77         }
  78
  79         key = strdup(key_);
  80         for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
  81                 *tl = tolower(*tl);
  82         for (tl=key; *tl && *tl != '.'; ++tl)
  83                 *tl = tolower(*tl);
  84
  85         if (use_key_regexp) {
  86                 key_regexp = (regex_t*)malloc(sizeof(regex_t));
  87                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
  88                         fprintf(stderr, "Invalid key pattern: %s\n", key_);
  89                         goto free_strings;
  90                 }
  91         }
  92
  93         if (regex_) {
  94                 if (regex_[0] == '!') {
  95                         do_not_match = 1;
  96                         regex_++;
  97                 }
  98
  99                 regexp = (regex_t*)malloc(sizeof(regex_t));
 100                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
 101                         fprintf(stderr, "Invalid pattern: %s\n", regex_);
 102                         goto free_strings;
 103                 }
 104         }
 105
 106         if (do_all && global)
 107                 git_config_from_file(show_config, global);
 108         git_config_from_file(show_config, local);
 109         if (!do_all && !seen && global)
 110                 git_config_from_file(show_config, global);
 111
 112         free(key);
 113         if (regexp) {
 114                 regfree(regexp);
 115                 free(regexp);
 116         }
 117
 118         if (do_all)
 119                 ret = !seen;
 120         else
 121                 ret =  (seen == 1) ? 0 : 1;
 122
 123 free_strings:
 124         if (repo_config)
 125                 free(repo_config);
 126         if (global)
 127                 free(global);
 128         return ret;
 129 }
 130
 131 int main(int argc, const char **argv)
 132 {
 133         int nongit = 0;
 134         setup_git_directory_gently(&nongit);
 135
 136         while (1 < argc) {
 137                 if (!strcmp(argv[1], "--int"))
 138                         type = T_INT;
 139                 else if (!strcmp(argv[1], "--bool"))
 140                         type = T_BOOL;
 141                 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
 142                         return git_config(show_all_config);
 143                 else
 144                         break;
 145                 argc--;
 146                 argv++;
 147         }
 148
 149         switch (argc) {
 150         case 2:
 151                 return get_value(argv[1], NULL);
 152         case 3:
 153                 if (!strcmp(argv[1], "--unset"))
 154                         return git_config_set(argv[2], NULL);
 155                 else if (!strcmp(argv[1], "--unset-all"))
 156                         return git_config_set_multivar(argv[2], NULL, NULL, 1);
 157                 else if (!strcmp(argv[1], "--get"))
 158                         return get_value(argv[2], NULL);
 159                 else if (!strcmp(argv[1], "--get-all")) {
 160                         do_all = 1;
 161                         return get_value(argv[2], NULL);
 162                 } else if (!strcmp(argv[1], "--get-regexp")) {
 163                         show_keys = 1;
 164                         use_key_regexp = 1;
 165                         do_all = 1;
 166                         return get_value(argv[2], NULL);
 167                 } else
 168
 169                         return git_config_set(argv[1], argv[2]);
 170         case 4:
 171                 if (!strcmp(argv[1], "--unset"))
 172                         return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 173                 else if (!strcmp(argv[1], "--unset-all"))
 174                         return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 175                 else if (!strcmp(argv[1], "--get"))
 176                         return get_value(argv[2], argv[3]);
 177                 else if (!strcmp(argv[1], "--get-all")) {
 178                         do_all = 1;
 179                         return get_value(argv[2], argv[3]);
 180                 } else if (!strcmp(argv[1], "--get-regexp")) {
 181                         show_keys = 1;
 182                         use_key_regexp = 1;
 183                         do_all = 1;
 184                         return get_value(argv[2], argv[3]);
 185                 } else if (!strcmp(argv[1], "--replace-all"))
 186
 187                         return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 188                 else
 189
 190                         return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 191         case 5:
 192                 if (!strcmp(argv[1], "--replace-all"))
 193                         return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 194         case 1:
 195         default:
 196                 usage(git_config_set_usage);
 197         }
 198         return 0;
 199 }