$ git clone -n https://src.fedoraproject.org/rpms/python-nmap.git /var/lib/mock/f45-build-31722-655/root/chroot_tmpdir/scmroot/python-nmap
Cloning into '/var/lib/mock/f45-build-31722-655/root/chroot_tmpdir/scmroot/python-nmap'...
$ git fetch origin b1666499807f289053b4a751b978a740f5b7c325:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nmap
 * [new ref]         b1666499807f289053b4a751b978a740f5b7c325 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b166649 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild