$ git clone -n https://src.fedoraproject.org/rpms/python-fingerprints.git /var/lib/mock/f39-build-1589540-38235/root/chroot_tmpdir/scmroot/python-fingerprints
Cloning into '/var/lib/mock/f39-build-1589540-38235/root/chroot_tmpdir/scmroot/python-fingerprints'...
$ git fetch origin 31ba296eff0d14833cf2003518e66a7091d3fbbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fingerprints
 * [new ref]         31ba296eff0d14833cf2003518e66a7091d3fbbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31ba296 Initial import