$ git clone -n https://src.fedoraproject.org/rpms/nmap.git /var/lib/mock/f45-build-19690-553/root/chroot_tmpdir/scmroot/nmap
Cloning into '/var/lib/mock/f45-build-19690-553/root/chroot_tmpdir/scmroot/nmap'...
$ git fetch origin 582049c365606f806aa24888524df99441631d35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nmap
 * [new ref]         582049c365606f806aa24888524df99441631d35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 582049c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild