Added debugging lines

Revealing which file contains the directives

common/centos7/post.cfg

@@ -1,20 +1,20 @@
 ### REPOSITORIES
 # kickstart repo command with --install doesn't pull down GPG Keys
 # installing the official rpm for each project will handle that
-echo "Configuring additional system repositories"
+echo "common/centos7/post.cfg: Configuring additional system repositories"
 
 echo "EPEL"
 rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
 
-echo "Puppet Labs"
+echo "adding Puppet Labs"
 rpm -Uvh https://yum.puppet.com/puppet5/puppet5-release-el-7.noarch.rpm
 
 ### UPGRADE
-echo "Forcing and upgrade of the system"
+echo "common/centos7/post.cfg: upgrading the system"
 yum -y upgrade
 
 ### PACKAGES
 # PUPPET and resolved dependancies
-echo "Installing Puppet"
+echo "common/centos7/post.cfg: Installing Puppet"
 yum -y install puppet-agent