$ git clone -n https://src.fedoraproject.org/rpms/ykocli.git /var/lib/mock/f45-build-39254-733/root/chroot_tmpdir/scmroot/ykocli
Cloning into '/var/lib/mock/f45-build-39254-733/root/chroot_tmpdir/scmroot/ykocli'...
$ git fetch origin fde98f51f011f9fa234e6e8e7dfe37e39d16ac7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ykocli
 * [new ref]         fde98f51f011f9fa234e6e8e7dfe37e39d16ac7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fde98f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild