$ git clone -n https://src.fedoraproject.org/rpms/lollypop.git /var/lib/mock/f45-build-17533-501/root/chroot_tmpdir/scmroot/lollypop
Cloning into '/var/lib/mock/f45-build-17533-501/root/chroot_tmpdir/scmroot/lollypop'...
$ git fetch origin 0124ee8ae7d1d088ae95f6d3b4fea3b63d24d43f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lollypop
 * [new ref]         0124ee8ae7d1d088ae95f6d3b4fea3b63d24d43f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0124ee8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild