$ git clone -n https://src.fedoraproject.org/rpms/python-paste-deploy.git /var/lib/mock/f40-build-2028138-47357/root/chroot_tmpdir/scmroot/python-paste-deploy
Cloning into '/var/lib/mock/f40-build-2028138-47357/root/chroot_tmpdir/scmroot/python-paste-deploy'...
$ git fetch origin 191cb186cc37e13a66772c49f7c55d919a834cde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-paste-deploy
 * [new ref]         191cb186cc37e13a66772c49f7c55d919a834cde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 191cb18 Update to upstream.