diff --git a/builtin-clone.c b/builtin-clone.c
index 18b9392334a0931076855b175ab368deea8ac122..c338910b1c76f3c994e4a22c9c0a1da38843e050 100644 (file)
--- a/builtin-clone.c
+++ b/builtin-clone.c
return local_refs;
}
+static void install_branch_config(const char *local,
+ const char *origin,
+ const char *remote)
+{
+ struct strbuf key = STRBUF_INIT;
+ strbuf_addf(&key, "branch.%s.remote", local);
+ git_config_set(key.buf, origin);
+ strbuf_reset(&key);
+ strbuf_addf(&key, "branch.%s.merge", local);
+ git_config_set(key.buf, remote);
+ strbuf_release(&key);
+}
+
int cmd_clone(int argc, const char **argv, const char *prefix)
{
int use_local_hardlinks = 1;
struct stat buf;
const char *repo_name, *repo, *work_tree, *git_dir;
char *path, *dir;
+ int dest_exists;
const struct ref *refs, *head_points_at, *remote_head, *mapped_refs;
struct strbuf key = STRBUF_INIT, value = STRBUF_INIT;
struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT;
dir = guess_dir_name(repo_name, is_bundle, option_bare);
strip_trailing_slashes(dir);
- if (!stat(dir, &buf))
- die("destination directory '%s' already exists.", dir);
+ dest_exists = !stat(dir, &buf);
+ if (dest_exists && !is_empty_dir(dir))
+ die("destination path '%s' already exists and is not "
+ "an empty directory.", dir);
strbuf_addf(&reflog_msg, "clone: from %s", repo);
if (safe_create_leading_directories_const(work_tree) < 0)
die("could not create leading directories of '%s': %s",
work_tree, strerror(errno));
- if (mkdir(work_tree, 0755))
+ if (!dest_exists && mkdir(work_tree, 0755))
die("could not create work tree dir '%s': %s.",
work_tree, strerror(errno));
set_git_work_tree(work_tree);
}
junk_git_dir = git_dir;
atexit(remove_junk);
- sigchain_push(SIGINT, remove_junk_on_signal);
+ sigchain_push_common(remove_junk_on_signal);
setenv(CONFIG_ENVIRONMENT, xstrdup(mkpath("%s/config", git_dir)), 1);
option_upload_pack);
refs = transport_get_remote_refs(transport);
- transport_fetch_refs(transport, refs);
+ if(refs)
+ transport_fetch_refs(transport, refs);
}
- clear_extra_refs();
+ if (refs) {
+ clear_extra_refs();
- mapped_refs = write_remote_refs(refs, &refspec, reflog_msg.buf);
+ mapped_refs = write_remote_refs(refs, &refspec, reflog_msg.buf);
- head_points_at = locate_head(refs, mapped_refs, &remote_head);
+ head_points_at = locate_head(refs, mapped_refs, &remote_head);
+ }
+ else {
+ warning("You appear to have cloned an empty repository.");
+ head_points_at = NULL;
+ remote_head = NULL;
+ option_no_checkout = 1;
+ if (!option_bare)
+ install_branch_config("master", option_origin,
+ "refs/heads/master");
+ }
if (head_points_at) {
/* Local default branch link */
head_points_at->peer_ref->name,
reflog_msg.buf);
- strbuf_addf(&key, "branch.%s.remote", head);
- git_config_set(key.buf, option_origin);
- strbuf_reset(&key);
- strbuf_addf(&key, "branch.%s.merge", head);
- git_config_set(key.buf, head_points_at->name);
+ install_branch_config(head, option_origin,
+ head_points_at->name);
}
} else if (remote_head) {
/* Source had detached HEAD pointing somewhere. */