$ git clone -n https://gitee.com/opencloudos-stream/libplacebo.git /var/lib/mock/dist-ocs23-build-32950-1457/root/chroot_tmpdir/scmroot/libplacebo
Cloning into '/var/lib/mock/dist-ocs23-build-32950-1457/root/chroot_tmpdir/scmroot/libplacebo'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libplacebo
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e3c9ca !1 Rebuilt for vulkan-loader 1.3.250.0 Merge pull request !1 from abushwang/master