$ git clone -n https://gitee.com/wency_cn/openjpeg2_1772116127.git /var/lib/mock/dist-an23-build-515520-75118/root/chroot_tmpdir/scmroot/openjpeg2_1772116127
Cloning into '/var/lib/mock/dist-an23-build-515520-75118/root/chroot_tmpdir/scmroot/openjpeg2_1772116127'...
$ git fetch origin a494762db342d82e2b53dc0e1945976645994494:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/openjpeg2_1772116127
 * [new ref]         a494762db342d82e2b53dc0e1945976645994494 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a494762 Update code from upstream