$ git clone -n https://src.fedoraproject.org/rpms/liblas.git /var/lib/mock/f41-build-812162-147723/root/chroot_tmpdir/scmroot/liblas
Cloning into '/var/lib/mock/f41-build-812162-147723/root/chroot_tmpdir/scmroot/liblas'...
$ git fetch origin 5084a42c05daf9a8f7e04ce763ab4ef085c06abc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liblas
 * [new ref]         5084a42c05daf9a8f7e04ce763ab4ef085c06abc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5084a42 Update to git 96d4dc9