$ git clone -n https://src.fedoraproject.org/rpms/liquidctl.git /var/lib/mock/f45-build-17456-499/root/chroot_tmpdir/scmroot/liquidctl
Cloning into '/var/lib/mock/f45-build-17456-499/root/chroot_tmpdir/scmroot/liquidctl'...
$ git fetch origin 59c18e509cae8bc574917d12b831a5b74a8fa0e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liquidctl
 * [new ref]         59c18e509cae8bc574917d12b831a5b74a8fa0e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59c18e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild