$ git clone -n https://gitee.com/wenyuzifang/LibRaw.git /var/lib/mock/dist-an23-build-460637-73748/root/chroot_tmpdir/scmroot/LibRaw
Cloning into '/var/lib/mock/dist-an23-build-460637-73748/root/chroot_tmpdir/scmroot/LibRaw'...
$ git fetch origin b8f3a1fba3989b93b6f608867122b1d7eecc8113:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/LibRaw
 * [new ref]         b8f3a1fba3989b93b6f608867122b1d7eecc8113 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8f3a1f Update code from upstream