$ git clone -n https://gitee.com/wency_cn/openjpeg2_1765438946.git /var/lib/mock/dist-an23-build-494533-74593/root/chroot_tmpdir/scmroot/openjpeg2_1765438946
Cloning into '/var/lib/mock/dist-an23-build-494533-74593/root/chroot_tmpdir/scmroot/openjpeg2_1765438946'...
$ git fetch origin 3e52c31c86513675b4a8f059c8e95a24679107bc:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/openjpeg2_1765438946
 * [new ref]         3e52c31c86513675b4a8f059c8e95a24679107bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e52c31 Update code from upstream