--- plamo/01_minimum/network.txz/old/parprouted-20170615/PlamoBuild.parprouted-0.7	2017-06-15 23:17:58.000000000 +0900
+++ plamo/01_minimum/network.txz/parprouted/PlamoBuild.parprouted-0.7	2017-06-24 15:08:18.000000000 +0900
@@ -37,7 +37,7 @@
   done
   apply_patches
   cd $B
-  cp -p Makefile Makefile.orig
+  cp -p Makefile{,.orig}
   cat <<- "EOF" | patch Makefile
 	16,17c16,19
 	< 	install parprouted /usr/local/sbin