thodg/libgit2/examples/config.c

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• Hash : 581cfbda
  Author :
  Date : 2021-09-23T11:59:52
  

  examples: Free the git_config and git_config_entry after use

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• examples/config.c

• /*
   * libgit2 "config" example - shows how to use the config API
   *
   * Written by the libgit2 contributors
   *
   * To the extent possible under law, the author(s) have dedicated all copyright
   * and related and neighboring rights to this software to the public domain
   * worldwide. This software is distributed without any warranty.
   *
   * You should have received a copy of the CC0 Public Domain Dedication along
   * with this software. If not, see
   * <http://creativecommons.org/publicdomain/zero/1.0/>.
   */
  
  #include "common.h"
  
  static int config_get(git_config *cfg, const char *key)
  {
  	git_config_entry *entry;
  	int error;
  
  	if ((error = git_config_get_entry(&entry, cfg, key)) < 0) {
  		if (error != GIT_ENOTFOUND)
  			printf("Unable to get configuration: %s\n", git_error_last()->message);
  		return 1;
  	}
  
  	puts(entry->value);
  
  	/* Free the git_config_entry after use with `git_config_entry_free()`. */
  	git_config_entry_free(entry);
  
  	return 0;
  }
  
  static int config_set(git_config *cfg, const char *key, const char *value)
  {
  	if (git_config_set_string(cfg, key, value) < 0) {
  		printf("Unable to set configuration: %s\n", git_error_last()->message);
  		return 1;
  	}
  	return 0;
  }
  
  int lg2_config(git_repository *repo, int argc, char **argv)
  {
  	git_config *cfg;
  	int error;
  
  	if ((error = git_repository_config(&cfg, repo)) < 0) {
  		printf("Unable to obtain repository config: %s\n", git_error_last()->message);
  		goto out;
  	}
  
  	if (argc == 2) {
  		error = config_get(cfg, argv[1]);
  	} else if (argc == 3) {
  		error = config_set(cfg, argv[1], argv[2]);
  	} else {
  		printf("USAGE: %s config <KEY> [<VALUE>]\n", argv[0]);
  		error = 1;
  	}
  
  	/**
  	 * The configuration file must be freed once it's no longer
  	 * being used by the user.
  	*/
  	git_config_free(cfg);
  out:
  	return error;
  }
  

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