$ git clone -n https://gitee.com/wenyuzifang/spirv-tools.git /var/lib/mock/dist-an23-build-447370-73363/root/chroot_tmpdir/scmroot/spirv-tools
Cloning into '/var/lib/mock/dist-an23-build-447370-73363/root/chroot_tmpdir/scmroot/spirv-tools'...
$ git fetch origin 785759bc75890bebc5f1ca77a9df27750dcdc14f:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/spirv-tools
 * [new ref]         785759bc75890bebc5f1ca77a9df27750dcdc14f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 785759b Update code from upstream