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/*
* 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);
}
}
}
static void create_default_files(const char *git_dir)
{
unsigned len = strlen(git_dir);
static char path[PATH_MAX];
if (len > sizeof(path)-50)
die("insane git directory %s", git_dir);
memcpy(path, git_dir, len);
if (len && path[len-1] != '/')
path[len++] = '/';
/*
* Create .git/refs/{heads,tags}
*/
strcpy(path + len, "refs");
safe_create_dir(path);
strcpy(path + len, "refs/heads");
safe_create_dir(path);
strcpy(path + len, "refs/tags");
safe_create_dir(path);
/*
* Create the default symlink from ".git/HEAD" to the "master"
* branch
*/
strcpy(path + len, "HEAD");
if (symlink("refs/heads/master", path) < 0) {
if (errno != EEXIST) {
perror(path);
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 *git_dir;
const char *sha1_dir;
char *path;
int len, i;
/*
* Set up the default .git directory contents
*/
git_dir = gitenv(GIT_DIR_ENVIRONMENT);
if (!git_dir) {
git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
fprintf(stderr, "defaulting to local storage area\n");
}
safe_create_dir(git_dir);
create_default_files(git_dir);
/*
* And set up the object store.
*/
sha1_dir = get_object_directory();
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);
}
strcpy(path+len, "/pack");
safe_create_dir(path);
return 0;
}
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