*/
#include "cache.h"
-void safe_create_dir(char *dir)
+static void safe_create_dir(const char *dir)
{
- if (mkdir(dir, 0755) < 0) {
+ if (mkdir(dir, 0777) < 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.
*/
int main(int argc, char **argv)
{
- char *sha1_dir, *path;
+ const char *git_dir;
+ const char *sha1_dir;
+ char *path;
int len, i;
- safe_create_dir(".git");
-
- sha1_dir = getenv(DB_ENVIRONMENT);
- if (!sha1_dir) {
- sha1_dir = DEFAULT_DB_ENVIRONMENT;
+ /*
+ * 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 = malloc(len + 40);
+ path = xmalloc(len + 40);
memcpy(path, sha1_dir, len);
safe_create_dir(sha1_dir);
sprintf(path+len, "/%02x", i);
safe_create_dir(path);
}
+ strcpy(path+len, "/pack");
+ safe_create_dir(path);
return 0;
}