$ git clone -n https://src.fedoraproject.org/rpms/lemonldap-ng.git /var/lib/mock/f40-build-2219233-52636/root/chroot_tmpdir/scmroot/lemonldap-ng
Cloning into '/var/lib/mock/f40-build-2219233-52636/root/chroot_tmpdir/scmroot/lemonldap-ng'...
$ git fetch origin 87010bd30ab9373891bff9fb4e1805f070c32cd1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lemonldap-ng
 * [new ref]         87010bd30ab9373891bff9fb4e1805f070c32cd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87010bd Update to 2.18.1