$ git clone -n https://gitee.com/src-opencloudos-rpms/python-idna.git /var/lib/mock/dist-oc9-build-121410-71655/root/chroot_tmpdir/scmroot/python-idna
Cloning into '/var/lib/mock/dist-oc9-build-121410-71655/root/chroot_tmpdir/scmroot/python-idna'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-idna
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2dc0f2 import python-idna-3.7-3.tl4