$ git clone -n https://src.fedoraproject.org/rpms/python-colorcet.git /var/lib/mock/f39-build-1957141-43257/root/chroot_tmpdir/scmroot/python-colorcet
Cloning into '/var/lib/mock/f39-build-1957141-43257/root/chroot_tmpdir/scmroot/python-colorcet'...
$ git fetch origin e184a43172df7a306c39dea624b975c5797614a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colorcet
 * [new ref]         e184a43172df7a306c39dea624b975c5797614a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e184a43 Revert "Drop “examples” extra while bokeh is broken (close RHBZ#2220167)"