$ git clone -n https://gitee.com/zhaohang_mskdxl/llvm-toolset_1.git /var/lib/mock/dist-an8.8-build-287467-64868/root/chroot_tmpdir/scmroot/llvm-toolset_1
Cloning into '/var/lib/mock/dist-an8.8-build-287467-64868/root/chroot_tmpdir/scmroot/llvm-toolset_1'...
$ git fetch origin b54bdcd95124432c7ed1824f12a2fea223dbd754:KOJI_FETCH_HEAD
From https://gitee.com/zhaohang_mskdxl/llvm-toolset_1
 * [new ref]         b54bdcd95124432c7ed1824f12a2fea223dbd754 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b54bdcd Add loongarch64 arch