git/init-db.c
Linus Torvalds 7fa6b4e769 Fix init-db shared database case
Noted by Aaron Straus
2005-04-19 13:59:17 -07:00

57 lines
1.3 KiB
C

/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
int main(int argc, char **argv)
{
char *sha1_dir = getenv(DB_ENVIRONMENT), *path;
int len, i;
if (mkdir(".git", 0755) < 0) {
perror("unable to create .git directory");
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.
*/
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);
}
/*
* The default case is to have a DB per managed directory.
*/
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;
}