$ git clone -n https://src.fedoraproject.org/rpms/FP16.git /var/lib/mock/f41-build-side-1-2739320-30916/root/chroot_tmpdir/scmroot/FP16
Cloning into '/var/lib/mock/f41-build-side-1-2739320-30916/root/chroot_tmpdir/scmroot/FP16'...
$ git fetch origin 4acbf841e3e8fe4492b3836bcabffcd85f28c1fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/FP16
 * [new ref]         4acbf841e3e8fe4492b3836bcabffcd85f28c1fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4acbf84 Enable fp16 python interface