$ git clone -n https://src.fedoraproject.org/rpms/pocl.git /var/lib/mock/f41-build-1246991-22950/root/chroot_tmpdir/scmroot/pocl
Cloning into '/var/lib/mock/f41-build-1246991-22950/root/chroot_tmpdir/scmroot/pocl'...
$ git fetch origin eb54e3573bd8f66c01b3d898f8f35ce9b9090158:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pocl
 * [new ref]         eb54e3573bd8f66c01b3d898f8f35ce9b9090158 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb54e35 Updated to version 6.0.