1 files changed, 10 insertions, 1 deletions
diff --git a/refs.h b/refs.h
index 2f3decb432..56089d5724 100644
--- a/refs.h
+++ b/refs.h
@@ -306,6 +306,15 @@ extern int rename_ref(const char *oldref, const char *newref, const char *logmsg
 
 extern int create_symref(const char *refname, const char *target, const char *logmsg);
 
+/*
+ * Update HEAD of the specified gitdir.
+ * Similar to create_symref("relative-git-dir/HEAD", target, NULL), but
+ * this can update the main working tree's HEAD regardless of where
+ * $GIT_DIR points to.
+ * Return 0 if successful, non-zero otherwise.
+ * */
+extern int set_worktree_head_symref(const char *gitdir, const char *target);
+
 enum action_on_err {
 	UPDATE_REFS_MSG_ON_ERR,
 	UPDATE_REFS_DIE_ON_ERR,
@@ -336,7 +345,7 @@ struct ref_transaction *ref_transaction_begin(struct strbuf *err);
  *     msg -- a message describing the change (for the reflog).
  *
  *     err -- a strbuf for receiving a description of any error that
- *         might have occured.
+ *         might have occurred.
  *
  * The functions make internal copies of refname and msg, so the
  * caller retains ownership of these parameters.