$ git clone -n https://src.fedoraproject.org/rpms/shim-unsigned-aarch64.git /var/lib/mock/f33-build-543180-65186/root/chroot_tmpdir/scmroot/shim-unsigned-aarch64
Cloning into '/var/lib/mock/f33-build-543180-65186/root/chroot_tmpdir/scmroot/shim-unsigned-aarch64'...
$ git reset --hard 94f95d6e640493953a0528bd4fa1e576609acd19
HEAD is now at 94f95d6 Fix bad sources *again*