$ git clone -n https://git.cclinux.org/stage/rpms/shim-unsigned-x64.git /var/lib/mock/dist-circle8-build-38557-6961/root/chroot_tmpdir/scmroot/shim-unsigned-x64
Cloning into '/var/lib/mock/dist-circle8-build-38557-6961/root/chroot_tmpdir/scmroot/shim-unsigned-x64'...
$ git reset --hard 67063d11c07230b94f541f146fa08122207c6b97
HEAD is now at 67063d1 import shim-unsigned-x64-15.4-4.el8_1