$ git clone -n https://gitee.com/src-anolis-os/shim-unsigned-aarch64.git /var/lib/mock/dist-an8.6-build-186480-60586/root/chroot_tmpdir/scmroot/shim-unsigned-aarch64
Cloning into '/var/lib/mock/dist-an8.6-build-186480-60586/root/chroot_tmpdir/scmroot/shim-unsigned-aarch64'...
$ git fetch origin 3b5022e4c14f6197fa970fdd34417186fa928cc4:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/shim-unsigned-aarch64
 * [new ref]         3b5022e4c14f6197fa970fdd34417186fa928cc4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b5022e init from shim 15.4