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ocharles/gist:8e2dc3dbc3136ccded6b05a7c66d5eaf Secret

Created May 18, 2017 11:25
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gistfile1.txt
nix-repl> (import ./nixpkgs.nix).nixpkgs.haskellPackages.rel8
«derivation /nix/store/b06kr3sika5blg27hblz7kf74d8pmy37-rel8-0.1.0.0.drv»
nix-repl> ((import ./nixpkgs.nix).nixpkgs.haskellPackages.override { overrides = self: super: { rel8-2 = super.rel8; }; }).rel8-2
error: attribute ‘rel8’ missing, at (string):1:96
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