diff --git a/makefile b/makefile
index f77625a..95739f9 100644
--- a/makefile
+++ b/makefile
@@ -33,6 +33,7 @@
 BREW = ${TOOLSDIR}/bin/brew -v
 DATESTAMP = $(shell date +%Y%m%d)
 FULLDATE = $(shell date)
+GITREVISION = $(shell git log -1 | head -n3)
 
 # Get latest linuxbrew
 
@@ -49,7 +50,8 @@
 	${BREW} install --verbose  ${BOOTSTRAP}
 
 bootstrap-release: tidyup
-	echo "${FULLDATE}" > ${TOOLSDIR}/tools-builder-bootstrap-release
+	echo "${FULLDATE}" > ${TOOLSDIR}/tools-builder.bootstrap.datetime
+	echo "${GITREVISION}"  > ${TOOLSDIR}/tools-builder.bootstrap.gitrevision
 	cd ${INSTALLDIR} && mv -v ${TOOLS} ${TOOLS}-bootstrap-${DATESTAMP}
 	cd ${INSTALLDIR} && tar -czvf ${EXPORTDIR}/${TOOLS}-bootstrap-${DATESTAMP}.tar.gz ${TOOLS}-bootstrap-${DATESTAMP}
 	cd ${INSTALLDIR} && mv -v ${TOOLS}-bootstrap-${DATESTAMP} ${TOOLS}
@@ -68,13 +70,15 @@
 	ln -nfs ${TOOLSDIR}/bin/vim ${TOOLSDIR}/bin/vi
 
 full-release: tidyup
-	echo "${FULLDATE}"  > ${TOOLSDIR}/tools-builder-full-release
+	echo "${FULLDATE}"  > ${TOOLSDIR}/tools-builder.full.datetime
+	echo "${GITREVISION}"  > ${TOOLSDIR}/tools-builder.full.gitrevision
 	cd ${INSTALLDIR} && mv -v ${TOOLS} ${TOOLS}-${DATESTAMP}
 	cd ${INSTALLDIR} && tar -czvf ${EXPORTDIR}/${TOOLS}-${DATESTAMP}.tar.gz ${TOOLS}-${DATESTAMP}
 	cd ${INSTALLDIR} && mv -v ${TOOLS}-${DATESTAMP} ${TOOLS}
 
 upgrade:
-	echo "${FULLDATE}" > ${TOOLSDIR}/tools-builder-upgrade
+	echo "${FULLDATE}" > ${TOOLSDIR}/tools-builder.upgrade.datetime
+	echo "${GITREVISION}"  > ${TOOLSDIR}/tools-builder.upgrade.gitrevision
 	brew update
 	brew upgrade
 	pip install ${PIPMODULES} -U --ignore-installed