$ git clone -n https://src.fedoraproject.org/rpms/cura.git /var/lib/mock/f38-build-side-42-init-devel-806154-28195/root/chroot_tmpdir/scmroot/cura
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-806154-28195/root/chroot_tmpdir/scmroot/cura'...
$ git fetch origin dc054568d26f27759a8a29df85f4e53d5f5293b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cura
 * [new ref]         dc054568d26f27759a8a29df85f4e53d5f5293b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc05456 5.3.0