$ git clone -n https://src.fedoraproject.org/rpms/lemonldap-ng.git /var/lib/mock/f41-build-side-1-2956348-35552/root/chroot_tmpdir/scmroot/lemonldap-ng
Cloning into '/var/lib/mock/f41-build-side-1-2956348-35552/root/chroot_tmpdir/scmroot/lemonldap-ng'...
$ git fetch origin 2b3054015b7f2739d65fd25ad76493132d24a1cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lemonldap-ng
 * [new ref]         2b3054015b7f2739d65fd25ad76493132d24a1cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b30540 Update to 2.20.0