$ git clone -n https://gitee.com/wency_cn/LibRaw.git /var/lib/mock/dist-an23-build-491969-74553/root/chroot_tmpdir/scmroot/LibRaw
Cloning into '/var/lib/mock/dist-an23-build-491969-74553/root/chroot_tmpdir/scmroot/LibRaw'...
$ git fetch origin c0c80389439554f10490ef3d582ad3c74c5003e3:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/LibRaw
 * [new ref]         c0c80389439554f10490ef3d582ad3c74c5003e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0c8038 Update code from upstream