anchor.diff:  
   	
   RUN	cd /tmp							&&	\
  -	git clone https://github.com/NagiosEnterprises/nagioscore.git -b nagios-4.3.2		&&	\
  +	git clone https://github.com/NagiosEnterprises/nagioscore.git -b $NAGIOS_BRANCH &&	\
   	cd nagioscore						&&	\
   	./configure							\
   		--prefix=${NAGIOS_HOME}					\
  
positive.code: 	ln -sf /opt/nagios/libexec/utils.pm /usr/lib/nagios/plugins
  
  RUN	cd /tmp							&&	\
  	git clone https://github.com/NagiosEnterprises/nrpe.git	-b nrpe-3.1.1	&&	\
  	cd nrpe							&&	\
  	./configure							\
  		--with-ssl=/usr/bin/openssl				\
  
negative.code: ENV NG_CGI_DIR			${NAGIOS_HOME}/sbin
  ENV NG_WWW_DIR			${NAGIOS_HOME}/share/nagiosgraph
  ENV NG_CGI_URL			/cgi-bin
  ENV NAGIOS_BRANCH		nagios-4.3.2
  ENV NAGIOS_PLUGINS_BRANCH	release-2.2.1
  ENV NRPE_BRANCH			nrpe-3.1.1
  
  
  RUN	sed -i 's/universe/universe multiverse/' /etc/apt/sources.list	&& \
  