$ git clone -n https://src.fedoraproject.org/rpms/wesnoth.git /var/lib/mock/f38-build-720725-97833/root/chroot_tmpdir/scmroot/wesnoth
Cloning into '/var/lib/mock/f38-build-720725-97833/root/chroot_tmpdir/scmroot/wesnoth'...
$ git fetch origin 344598b673ad05bb992cb07ef76f017858633dbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wesnoth
 * [new ref]         344598b673ad05bb992cb07ef76f017858633dbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 344598b Fix tmpfiles.d scriptlet error