Merge branch 'dt/pre-refs-backend'

Code restructuring around the "refs" area to prepare for pluggable
refs backends.

* dt/pre-refs-backend: (24 commits)
  refs: on symref reflog expire, lock symref not referrent
  refs: move resolve_ref_unsafe into common code
  show_head_ref(): check the result of resolve_ref_namespace()
  check_aliased_update(): check that dst_name is non-NULL
  checkout_paths(): remove unneeded flag variable
  cmd_merge(): remove unneeded flag variable
  fsck_head_link(): remove unneeded flag variable
  read_raw_ref(): change flags parameter to unsigned int
  files-backend: inline resolve_ref_1() into resolve_ref_unsafe()
  read_raw_ref(): manage own scratch space
  files-backend: break out ref reading
  resolve_ref_1(): eliminate local variable "bad_name"
  resolve_ref_1(): reorder code
  resolve_ref_1(): eliminate local variable
  resolve_ref_unsafe(): ensure flags is always set
  resolve_ref_unsafe(): use for loop to count up to MAXDEPTH
  resolve_missing_loose_ref(): simplify semantics
  t1430: improve test coverage of deletion of badly-named refs
  t1430: test for-each-ref in the presence of badly-named refs
  t1430: don't rely on symbolic-ref for creating broken symrefs
  ...

1 files changed, 1 insertions, 1 deletions

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 220a899b96..a744437b58 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1084,13 +1084,13 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
 	if (!(flag & REF_ISSYMREF))
 		return;
 
-	dst_name = strip_namespace(dst_name);
 	if (!dst_name) {
 		rp_error("refusing update to broken symref '%s'", cmd->ref_name);
 		cmd->skip_update = 1;
 		cmd->error_string = "broken symref";
 		return;
 	}
+	dst_name = strip_namespace(dst_name);
 
 	if ((item = string_list_lookup(list, dst_name)) == NULL)
 		return;