File foo.patch of Package postfix

Index: postfix-3.10.7/conf/post-install
===================================================================
--- conf/post-install.orig
+++ conf/post-install
@@ -3,6 +3,8 @@
 # To view the formatted manual page of this file, type:
 #	POSTFIXSOURCE/mantools/srctoman - post-install | nroff -man
 
+set -x
+
 #++
 # NAME
 #	post-install