$ git clone -n https://gitee.com/wenyuzifang/LibRaw.git /var/lib/mock/dist-an23-build-465726-73955/root/chroot_tmpdir/scmroot/LibRaw
Cloning into '/var/lib/mock/dist-an23-build-465726-73955/root/chroot_tmpdir/scmroot/LibRaw'...
$ git fetch origin f66d87972a4d2d4f316826fa11b9c48843765963:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/LibRaw
 * [new ref]         f66d87972a4d2d4f316826fa11b9c48843765963 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f66d879 Update code from upstream