$ git clone -n https://src.fedoraproject.org/rpms/hipcub.git /var/lib/mock/f41-build-745790-13350/root/chroot_tmpdir/scmroot/hipcub
Cloning into '/var/lib/mock/f41-build-745790-13350/root/chroot_tmpdir/scmroot/hipcub'...
$ git fetch origin 794730ee0940a644c43149a1733ee8a1e3ee4ee7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hipcub
 * [new ref]         794730ee0940a644c43149a1733ee8a1e3ee4ee7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 794730e Update to 6.1.1