$ git clone -n https://gitee.com/ocs-bot/openjpeg2.git /var/lib/mock/dist-ocs23-build-228134-17331/root/chroot_tmpdir/scmroot/openjpeg2
Cloning into '/var/lib/mock/dist-ocs23-build-228134-17331/root/chroot_tmpdir/scmroot/openjpeg2'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/openjpeg2
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f0545f update patch