-mkdir -p $RPM_BUILD_ROOT/etc/modules-load.d
-install -m 644 transforward.conf $RPM_BUILD_ROOT/etc/modules-load.d/transforward.conf
-mkdir -p $RPM_BUILD_ROOT/usr/lib/systemd/system
-install -m 644 transforward.service $RPM_BUILD_ROOT/usr/lib/systemd/system/transforward.service
-install -m 755 transforward.init $RPM_BUILD_ROOT/usr/sbin/transforward.init
+install -D -m 644 transforward.conf $RPM_BUILD_ROOT/etc/modules-load.d/transforward.conf
+install -D -m 644 transforward.service $RPM_BUILD_ROOT/usr/lib/systemd/system/transforward.service
+install -D -m 755 transforward.init $RPM_BUILD_ROOT/usr/sbin/transforward.init