$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxcontrib-htmlhelp.git /var/lib/mock/f40-build-2135877-50815/root/chroot_tmpdir/scmroot/python-sphinxcontrib-htmlhelp
Cloning into '/var/lib/mock/f40-build-2135877-50815/root/chroot_tmpdir/scmroot/python-sphinxcontrib-htmlhelp'...
$ git fetch origin a10ab05c9cd3c88f587714287bb2005e7e76a161:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxcontrib-htmlhelp
 * [new ref]         a10ab05c9cd3c88f587714287bb2005e7e76a161 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a10ab05 Remove a patch to drop the runtime dependency on Sphinx