$ git clone -n https://gitee.com/zhaohang_mskdxl/llvm-toolset.git /var/lib/mock/dist-an8.8-build-280866-64649/root/chroot_tmpdir/scmroot/llvm-toolset
Cloning into '/var/lib/mock/dist-an8.8-build-280866-64649/root/chroot_tmpdir/scmroot/llvm-toolset'...
$ git fetch origin 887bfd83d915a492c6fafee04c0f43a9859ccc5d:KOJI_FETCH_HEAD
From https://gitee.com/zhaohang_mskdxl/llvm-toolset
 * [new ref]         887bfd83d915a492c6fafee04c0f43a9859ccc5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 887bfd8 Remove loongarch64 arch