$ git clone -n https://src.fedoraproject.org/rpms/lynx.git /var/lib/mock/f40-build-2296717-56409/root/chroot_tmpdir/scmroot/lynx
Cloning into '/var/lib/mock/f40-build-2296717-56409/root/chroot_tmpdir/scmroot/lynx'...
$ git fetch origin c417dbb0207510345b11afaee6a467fe60e3d0bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lynx
 * [new ref]         c417dbb0207510345b11afaee6a467fe60e3d0bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c417dbb enable bzip2 support