$ git clone -n https://gitee.com/wency_cn/openjpeg2.git /var/lib/mock/dist-an23-build-490965-74530/root/chroot_tmpdir/scmroot/openjpeg2
Cloning into '/var/lib/mock/dist-an23-build-490965-74530/root/chroot_tmpdir/scmroot/openjpeg2'...
$ git fetch origin d8e59a1d91dca50555762433806b67378af05897:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/openjpeg2
 * [new ref]         d8e59a1d91dca50555762433806b67378af05897 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8e59a1 Update code from upstream