$ git clone -n https://gitee.com/src-anolis-os/shim-unsigned-x64.git /var/lib/mock/dist-lifsea8-build-75636-39259/root/chroot_tmpdir/scmroot/shim-unsigned-x64
Cloning into '/var/lib/mock/dist-lifsea8-build-75636-39259/root/chroot_tmpdir/scmroot/shim-unsigned-x64'...
$ git reset --hard origin/a8
HEAD is now at e53118c update to shim-unsigned-x64-15.4-4.el8_1