$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-SSH.git /var/lib/mock/f45-build-25347-610/root/chroot_tmpdir/scmroot/perl-Net-SSH
Cloning into '/var/lib/mock/f45-build-25347-610/root/chroot_tmpdir/scmroot/perl-Net-SSH'...
$ git fetch origin a3b05fa07a578c4f8d0781668ed2a6442e4c435c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-SSH
 * [new ref]         a3b05fa07a578c4f8d0781668ed2a6442e4c435c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3b05fa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild