vendor/libgit2/src/worktree.c in rugged-1.1.0 vs vendor/libgit2/src/worktree.c in rugged-1.1.1

@@ -257,10 +257,17 @@
 		git_error_set(GIT_ERROR_WORKTREE,
 			"worktree common directory ('%s') does not exist ",
 			wt->commondir_path);
 		return GIT_ERROR;
 	}
-
+	
+	if (!git_path_exists(wt->worktree_path)) {
+		git_error_set(GIT_ERROR_WORKTREE,
+			"worktree directory '%s' does not exist",
+			wt->worktree_path);
+		return GIT_ERROR;
+	}
+	
 	return 0;
 }
 
 int git_worktree_add_options_init(git_worktree_add_options *opts,
 	unsigned int version)