/*
 * GIT - The information manager from hell
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include "cache.h"

static void safe_create_dir(const char *dir)
{
        if (mkdir(dir, 0755) < 0) {
                if (errno != EEXIST) {
                        perror(dir);
                        exit(1);
                }
        }
}

/*
 * 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)
{
        const char *sha1_dir;
        char *path;
        int len, i;

        sha1_dir = get_object_directory();
        if (!gitenv(DB_ENVIRONMENT) && !gitenv(GIT_DIR_ENVIRONMENT)) {
                /* We create leading paths only when we fall back
                 * to local .git/objects, at least for now.
                 */
                safe_create_dir(DEFAULT_GIT_DIR_ENVIRONMENT);
                fprintf(stderr, "defaulting to local storage area\n");
        }
        len = strlen(sha1_dir);
        path = xmalloc(len + 40);
        memcpy(path, sha1_dir, len);

        safe_create_dir(sha1_dir);
        for (i = 0; i < 256; i++) {
                sprintf(path+len, "/%02x", i);
                safe_create_dir(path);
        }
        return 0;
}