$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Server.git /var/lib/mock/f41-build-side-1-2807109-32872/root/chroot_tmpdir/scmroot/perl-Net-Server
Cloning into '/var/lib/mock/f41-build-side-1-2807109-32872/root/chroot_tmpdir/scmroot/perl-Net-Server'...
$ git fetch origin 171d21f0b45391e3715f60be7c4763a373e8043f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Server
 * [new ref]         171d21f0b45391e3715f60be7c4763a373e8043f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 171d21f Only initialize existing Net::SSLeay methods