[Nix-dev] imported archive lacks a signature?

[Peter Simons]

Hi Jeffrey,

 > $ nix-copy-closure --to jefdaj at server $(type -tP labwiki)
 > [...]
 > error: imported archive of ‘/nix/store/cgddwzz9hkdgprvbymphv8yprc66zxk7-ghc-7.10.1’ lacks a signature

to remedy that issue, create /etc/nix/signing-key.{pub,sec} as described in
<https://github.com/NixOS/nix/blob/master/doc/signing.txt>. Then call the
nix-copy-closure command with the "--sign" flag.

Best regards,
Peter