$ git clone -n https://src.fedoraproject.org/rpms/python-netaddr.git /var/lib/mock/f45-build-31710-654/root/chroot_tmpdir/scmroot/python-netaddr
Cloning into '/var/lib/mock/f45-build-31710-654/root/chroot_tmpdir/scmroot/python-netaddr'...
$ git fetch origin f42dbf3f6262a2eb6c4670a8d8d68600c6b8d5f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-netaddr
 * [new ref]         f42dbf3f6262a2eb6c4670a8d8d68600c6b8d5f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f42dbf3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild