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/*
 * GIT - The information manager from hell
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include "cache.h"
 
/*
 * If you want to, you can share the DB area with any number of branches.
 * That has advantages: you can save space by sharing all the SHA1 objects.
 * On the other hand, it might just make lookup slower and messier. You
 * be the judge.  The default case is to have one DB per managed directory.
 */
int main(int argc, char **argv)
{
	char *sha1_dir, *path;
	int len, i;
 
	if (mkdir(".git", 0755) < 0) {
		perror("unable to create .git directory");
		exit(1);
	}
 
	sha1_dir = getenv(DB_ENVIRONMENT);
	if (sha1_dir) {
		struct stat st;
		if (!stat(sha1_dir, &st) && S_ISDIR(st.st_mode))
			return 0;
		fprintf(stderr, "DB_ENVIRONMENT set to bad directory %s: ", sha1_dir);
	}
 
	sha1_dir = DEFAULT_DB_ENVIRONMENT;
	fprintf(stderr, "defaulting to private storage area\n");
	len = strlen(sha1_dir);
	if (mkdir(sha1_dir, 0755) < 0) {
		if (errno != EEXIST) {
			perror(sha1_dir);
			exit(1);
		}
	}
	path = malloc(len + 40);
	memcpy(path, sha1_dir, len);
	for (i = 0; i < 256; i++) {
		sprintf(path+len, "/%02x", i);
		if (mkdir(path, 0755) < 0) {
			if (errno != EEXIST) {
				perror(path);
				exit(1);
			}
		}
	}
	return 0;
}