$ git clone -n https://src.fedoraproject.org/rpms/clblast.git /var/lib/mock/f40-build-2195867-51540/root/chroot_tmpdir/scmroot/clblast
Cloning into '/var/lib/mock/f40-build-2195867-51540/root/chroot_tmpdir/scmroot/clblast'...
$ git fetch origin bd6f292f559d9b03829ccce9dcf15fe16f935d53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clblast
 * [new ref]         bd6f292f559d9b03829ccce9dcf15fe16f935d53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd6f292 Build clients and netlib support