Add cleanup script to cleanup repofiles

Author: m-bull

elements/rocky-container-stackhpc/cleanup.d/80-cleanup-repofiles

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
+    set -x
+fi
+set -eu
+set -o pipefail
+
+[ -n "$TARGET_ROOT" ]
+
+if [ ! -z "$DIB_ROCKY_CONTAINER_STACKHPC_CLEANUP_REPOFILES" ]; then
+  sudo rm -rf ${TARGET_ROOT}/etc/yum.repos.d/*.repo
+fi