*/
#include "cache.h"
-int main(int argc, char **argv)
+static void safe_create_dir(const char *dir)
{
- char *sha1_dir = getenv(DB_ENVIRONMENT), *path;
- int len, i;
-
- if (mkdir(".git", 0755) < 0) {
- perror("unable to create .git directory");
- exit(1);
+ 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++] = '/';
/*
- * 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.
+ * Create .git/refs/{heads,tags}
*/
- sha1_dir = getenv(DB_ENVIRONMENT);
- if (sha1_dir) {
- struct stat st;
- if (!stat(sha1_dir, &st) < 0 && S_ISDIR(st.st_mode))
- return 0;
- fprintf(stderr, "DB_ENVIRONMENT set to bad directory %s: ", sha1_dir);
- }
+ 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);
/*
- * The default case is to have a DB per managed directory.
+ * Create the default symlink from ".git/HEAD" to the "master"
+ * branch
*/
- sha1_dir = DEFAULT_DB_ENVIRONMENT;
- fprintf(stderr, "defaulting to private storage area\n");
- len = strlen(sha1_dir);
- if (mkdir(sha1_dir, 0755) < 0) {
+ strcpy(path + len, "HEAD");
+ if (symlink("refs/heads/master", path) < 0) {
if (errno != EEXIST) {
- perror(sha1_dir);
+ perror(path);
exit(1);
}
}
- path = malloc(len + 40);
+}
+
+/*
+ * 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);
- if (mkdir(path, 0755) < 0) {
- if (errno != EEXIST) {
- perror(path);
- exit(1);
- }
- }
+ safe_create_dir(path);
}
return 0;
}