$ git clone -n https://src.fedoraproject.org/rpms/pocl.git /var/lib/mock/f38-build-728226-101103/root/chroot_tmpdir/scmroot/pocl
Cloning into '/var/lib/mock/f38-build-728226-101103/root/chroot_tmpdir/scmroot/pocl'...
$ git fetch origin 6b937f40f51c73d12b6ae9bd0fd54e9c55b1fbaa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pocl
 * [new ref]         6b937f40f51c73d12b6ae9bd0fd54e9c55b1fbaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b937f4 Added changelog entry.