$ git clone -n https://gitee.com/zhoujiajia111/openjpeg2.git /var/lib/mock/dist-an23-build-466603-73981/root/chroot_tmpdir/scmroot/openjpeg2
Cloning into '/var/lib/mock/dist-an23-build-466603-73981/root/chroot_tmpdir/scmroot/openjpeg2'...
$ git fetch origin 00c805004aadfce676d3d0b15c60ebfe87924daf:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/openjpeg2
 * [new ref]         00c805004aadfce676d3d0b15c60ebfe87924daf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00c8050 Update code from upstream