$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxcontrib-serializinghtml.git /var/lib/mock/f40-build-2135886-50815/root/chroot_tmpdir/scmroot/python-sphinxcontrib-serializinghtml
Cloning into '/var/lib/mock/f40-build-2135886-50815/root/chroot_tmpdir/scmroot/python-sphinxcontrib-serializinghtml'...
$ git fetch origin 01efd0b1638cdb514a43f9e611849c1dbcca7f27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxcontrib-serializinghtml
 * [new ref]         01efd0b1638cdb514a43f9e611849c1dbcca7f27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01efd0b Remove a patch to drop the runtime dependency on Sphinx