$ git clone -n https://src.fedoraproject.org/rpms/libsidplayfp.git /var/lib/mock/f41-build-841106-161062/root/chroot_tmpdir/scmroot/libsidplayfp
Cloning into '/var/lib/mock/f41-build-841106-161062/root/chroot_tmpdir/scmroot/libsidplayfp'...
$ git fetch origin 9a98aba0afd0cc340c7beca7346c9cd3315e4937:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsidplayfp
 * [new ref]         9a98aba0afd0cc340c7beca7346c9cd3315e4937 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a98aba Update to 2.9.0 (rhbz#2304188)