$ git clone -n https://gitee.com/wency_cn/openjpeg2_1764797224.git /var/lib/mock/dist-an23-build-491309-74530/root/chroot_tmpdir/scmroot/openjpeg2_1764797224
Cloning into '/var/lib/mock/dist-an23-build-491309-74530/root/chroot_tmpdir/scmroot/openjpeg2_1764797224'...
$ git fetch origin 93dcee4032c473122f10ab8bd752df3a3e46de38:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/openjpeg2_1764797224
 * [new ref]         93dcee4032c473122f10ab8bd752df3a3e46de38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93dcee4 Update code from upstream