git/init-db.c
Zach Welch addb315d34 [PATCH] init-db.c: normalize env var handling.
Normalize init-db environment variable handling, allowing the creation
of object directories with something other than DEFAULT_DB_ENVIRONMENT.

Signed-Off-By: Zach Welch <zw@superlucidity.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-19 21:48:15 -07:00

49 lines
1.1 KiB
C

/*
* 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) {
sha1_dir = DEFAULT_DB_ENVIRONMENT;
fprintf(stderr, "defaulting to local 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;
}