$ git clone -n https://gitee.com/lizhao2025/jbig2dec.git /var/lib/mock/dist-an23-build-496090-74608/root/chroot_tmpdir/scmroot/jbig2dec
Cloning into '/var/lib/mock/dist-an23-build-496090-74608/root/chroot_tmpdir/scmroot/jbig2dec'...
$ git fetch origin 0a59b6c8b8bc192ab586d8ce53e3501cfc2fce0c:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/jbig2dec
 * [new ref]         0a59b6c8b8bc192ab586d8ce53e3501cfc2fce0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a59b6c Update code from upstream