$ git clone -n https://gitee.com/src-opencloudos-rpms/python-pyqt5-sip.git /var/lib/mock/dist-oc9-build-71713-47586/root/chroot_tmpdir/scmroot/python-pyqt5-sip
Cloning into '/var/lib/mock/dist-oc9-build-71713-47586/root/chroot_tmpdir/scmroot/python-pyqt5-sip'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-pyqt5-sip
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa7b134 import python-pyqt5-sip-12.12.2-1.tl4