ci: Enable Fedora30 container, cleanups

Signed-off-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>
diff --git a/ci/build-sdk.sh b/ci/build-sdk.sh
index 6848565..f2a312a 100755
--- a/ci/build-sdk.sh
+++ b/ci/build-sdk.sh
@@ -48,4 +48,11 @@
 	--undefine ROOTFS_POST_SCRIPT_ARGS
 
 op-build O=$O olddefconfig
+
+if [ -f "$(ldconfig -p | grep libeatmydata.so | tr ' ' '\n' | grep /|head -n1)" ]; then
+    export LD_PRELOAD=${LD_PRELOAD:+"$LD_PRELOAD "}libeatmydata.so
+elif [ -f "/usr/lib64/nosync/nosync.so" ]; then
+    export LD_PRELOAD=${LD_PRELOAD:+"$LD_PRELOAD "}/usr/lib64/nosync/nosync.so
+fi
+
 op-build O=$O sdk