mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
![Linus Torvalds](/assets/img/avatar_default.png)
Create .git/refs/{heads,tags} and make .git/HEAD be a symlink to (the as yet non-existent) .git/refs/heads/master.
92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
/*
|
|
* 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);
|
|
}
|
|
return 0;
|
|
}
|