From cad88fdf8d1ebafb5d4d1b92eb243ff86bae740b Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@ppc970.osdl.org>
Date: Mon, 30 May 2005 10:20:44 -0700
Subject: [PATCH] git-init-db: set up the full default environment
Create .git/refs/{heads,tags} and make .git/HEAD be a symlink to
(the as yet non-existent) .git/refs/heads/master.
---
init-db.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 49 insertions(+), 6 deletions(-)
diff --git a/init-db.c b/init-db.c
index a281f302ea..1aa0d72d7e 100644
--- a/init-db.c
+++ b/init-db.c
@@ -15,6 +15,41 @@ static void safe_create_dir(const char *dir)
}
}
+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.
@@ -23,18 +58,26 @@ static void safe_create_dir(const char *dir)
*/
int main(int argc, char **argv)
{
+ const char *git_dir;
const char *sha1_dir;
char *path;
int len, i;
- sha1_dir = get_object_directory();
- if (!gitenv(DB_ENVIRONMENT) && !gitenv(GIT_DIR_ENVIRONMENT)) {
- /* We create leading paths only when we fall back
- * to local .git/objects, at least for now.
- */
- safe_create_dir(DEFAULT_GIT_DIR_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 = xmalloc(len + 40);
memcpy(path, sha1_dir, len);
--
2.48.1