$ git clone -n https://src.fedoraproject.org/rpms/python-fingerprints.git /var/lib/mock/f45-build-30681-647/root/chroot_tmpdir/scmroot/python-fingerprints
Cloning into '/var/lib/mock/f45-build-30681-647/root/chroot_tmpdir/scmroot/python-fingerprints'...
$ git fetch origin 5ce061c97a4e5f61f876240c50673169d5f93e03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fingerprints
 * [new ref]         5ce061c97a4e5f61f876240c50673169d5f93e03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ce061c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild