-# been handled already by read-tree, but that one doesn't
-# do any merges that migth change the tree layout
-#
-
-# if the directory is newly added in a branch, it might not exist
-# in the current tree
-dir=$(dirname "$4")
-mkdir -p "$dir"
+# been handled already by git-read-tree, but that one doesn't
+# do any merges that migth change the tree layout.