$ git clone -n https://gitee.com/lizhao2025/jbig2dec.git /var/lib/mock/dist-an23-build-499602-74764/root/chroot_tmpdir/scmroot/jbig2dec
Cloning into '/var/lib/mock/dist-an23-build-499602-74764/root/chroot_tmpdir/scmroot/jbig2dec'...
$ git fetch origin 567f4fccf6dba19d7ca93f036188215dc87a17a4:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/jbig2dec
 * [new ref]         567f4fccf6dba19d7ca93f036188215dc87a17a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 567f4fc Update code from upstream