Don't cache realiseContext() errors
Don't cache realiseContext() errors

Errors that depend on the configuration (such as whether
allow-import-from-derivation is set) should not be cached.

NixOS/nix,rycee/nix,NixOS/nix,NixOS/nix,NixOS/nix,rycee/nix,rycee/nix,rycee/nix,NixOS/nix,rycee/nix