examples/config.c

   1 /*
   2  * libgit2 "config" example - shows how to use the config API
   3  *
   4  * Written by the libgit2 contributors
   5  *
   6  * To the extent possible under law, the author(s) have dedicated all copyright
   7  * and related and neighboring rights to this software to the public domain
   8  * worldwide. This software is distributed without any warranty.
   9  *
  10  * You should have received a copy of the CC0 Public Domain Dedication along
  11  * with this software. If not, see
  12  * <http://creativecommons.org/publicdomain/zero/1.0/>.
  13  */
  14
  15 #include "common.h"
  16
  17 static int config_get(git_config *cfg, const char *key)
  18 {
  19         git_config_entry *entry;
  20         int error;
  21
  22         if ((error = git_config_get_entry(&entry, cfg, key)) < 0) {
  23                 if (error != GIT_ENOTFOUND)
  24                         printf("Unable to get configuration: %s\n", git_error_last()->message);
  25                 return 1;
  26         }
  27
  28         puts(entry->value);
  29         return 0;
  30 }
  31
  32 static int config_set(git_config *cfg, const char *key, const char *value)
  33 {
  34         if (git_config_set_string(cfg, key, value) < 0) {
  35                 printf("Unable to set configuration: %s\n", git_error_last()->message);
  36                 return 1;
  37         }
  38         return 0;
  39 }
  40
  41 int lg2_config(git_repository *repo, int argc, char **argv)
  42 {
  43         git_config *cfg;
  44         int error;
  45
  46         if ((error = git_repository_config(&cfg, repo)) < 0) {
  47                 printf("Unable to obtain repository config: %s\n", git_error_last()->message);
  48                 goto out;
  49         }
  50
  51         if (argc == 2) {
  52                 error = config_get(cfg, argv[1]);
  53         } else if (argc == 3) {
  54                 error = config_set(cfg, argv[1], argv[2]);
  55         } else {
  56                 printf("USAGE: %s config <KEY> [<VALUE>]\n", argv[0]);
  57                 error = 1;
  58         }
  59
  60 out:
  61         return error;
  62 }