$ git clone -n https://src.fedoraproject.org/rpms/libsidplayfp.git /var/lib/mock/f45-build-16952-494/root/chroot_tmpdir/scmroot/libsidplayfp
Cloning into '/var/lib/mock/f45-build-16952-494/root/chroot_tmpdir/scmroot/libsidplayfp'...
$ git fetch origin 5c58723dd93cf2c9016ac767a121b76014314654:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsidplayfp
 * [new ref]         5c58723dd93cf2c9016ac767a121b76014314654 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c58723 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild