make-centos-flight: If branch name end with digit, add centos_release runvar

diff --git a/make-centos-flight b/make-centos-flight
index 968f08b153c189568d817795862f8d5a9f213659..2ef55689ba65f0b7a087d0f0e29f05c276bd1c0c 100755 (executable)
--- a/make-centos-flight
+++ b/make-centos-flight
@@ -486,6 +486,10 @@ pairtoolstack="xl libvirt"
 hostos_runvars="
   all_host_os=centos        \
   "
+centos_release=${branch#centos}
+if [[ $centos_release ]]; then
+    hostos_runvars+=" centos_release=$centos_release"
+fi
 
 eval "
     arch_runvars=\"\$ARCH_RUNVARS_$dom0arch\"