$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-OpenSSH.git /var/lib/mock/f45-build-25338-610/root/chroot_tmpdir/scmroot/perl-Net-OpenSSH
Cloning into '/var/lib/mock/f45-build-25338-610/root/chroot_tmpdir/scmroot/perl-Net-OpenSSH'...
$ git fetch origin 8ff2af21dddd417d19c230ed3d3f4ab90ec4404d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-OpenSSH
 * [new ref]         8ff2af21dddd417d19c230ed3d3f4ab90ec4404d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ff2af2 Convert to %autorelease and %autochangelog