$ git clone -n https://gitee.com/lizhao2025/shim-unsigned-aarch64.git /var/lib/mock/dist-an23-build-500809-74764/root/chroot_tmpdir/scmroot/shim-unsigned-aarch64
Cloning into '/var/lib/mock/dist-an23-build-500809-74764/root/chroot_tmpdir/scmroot/shim-unsigned-aarch64'...
$ git fetch origin d6edff029f8c7e261a83785047441c8f2a905aea:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/shim-unsigned-aarch64
 * [new ref]         d6edff029f8c7e261a83785047441c8f2a905aea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6edff0 Update code from upstream