$ git clone -n https://src.fedoraproject.org/rpms/nmon.git /var/lib/mock/f45-build-19701-554/root/chroot_tmpdir/scmroot/nmon
Cloning into '/var/lib/mock/f45-build-19701-554/root/chroot_tmpdir/scmroot/nmon'...
$ git fetch origin 00d75665b28a7d9fa180e44bb986aabf19c015c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nmon
 * [new ref]         00d75665b28a7d9fa180e44bb986aabf19c015c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00d7566 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild