$ git clone -n https://gitee.com/wenyuzifang/python-greenlet.git /var/lib/mock/dist-an23-build-469546-74027/root/chroot_tmpdir/scmroot/python-greenlet
Cloning into '/var/lib/mock/dist-an23-build-469546-74027/root/chroot_tmpdir/scmroot/python-greenlet'...
$ git fetch origin ca5200b5b9df6139f126b643fca0dec2b60644dd:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-greenlet
 * [new ref]         ca5200b5b9df6139f126b643fca0dec2b60644dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca5200b Update code from upstream