Created
August 23, 2020 21:31
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Nix shell with pinned unstable channel and hoogle
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| { nixpkgs ? import <nixpkgs> {}, compiler ? "ghc883", withHoogle ? true }: | |
| let | |
| inherit (nixpkgs) pkgs; | |
| pinnedUnstable = | |
| pkgs.fetchFromGitHub { | |
| owner = "NixOS"; | |
| repo = "nixpkgs-channels"; | |
| rev = "c59ea8b8a0e7f927e7291c14ea6cd1bd3a16ff38"; | |
| sha256 = "1ak7jqx94fjhc68xh1lh35kh3w3ndbadprrb762qgvcfb8351x8v"; | |
| }; | |
| unstable = import pinnedUnstable {}; | |
| finalPackage = {mkDerivation, hpack, hlint, stack, stdenv}: | |
| mkDerivation { | |
| pname = "banyan-backend"; | |
| version = "0.0.1"; | |
| src = ./.; | |
| isLibrary = true; | |
| isExecutable = true; | |
| libraryToolDepends = [ hpack stack hlint ]; | |
| prePatch = "hpack"; | |
| license = stdenv.lib.licenses.bsd3; | |
| shellHook = '' | |
| export BANYAN_PASSWORD="P@ssword1"; | |
| export BANYAN_CACHE="false"; | |
| export JWT_SECRET=""; | |
| export JWT_PASSWORD=""; | |
| export JWT_KEY=""; | |
| export ICORE_BANK_LIST="test"; | |
| export BANYAN_CLIENT_URL="http://localhost:8080"; | |
| ''; | |
| }; | |
| haskellGhc = | |
| if compiler == "default" | |
| then pkgs.haskellGhc | |
| else unstable.haskell.packages.${compiler}; | |
| hspkgs = | |
| if withHoogle | |
| then | |
| haskellGhc.override { | |
| overrides = (self: super: { | |
| ghc = super.ghc // { withPackages = super.ghc.withHoogle; }; | |
| ghcWithPackages = self.ghc.withPackages; | |
| }); | |
| } | |
| else haskellGhc; | |
| drv = hspkgs.callPackage finalPackage {}; | |
| in | |
| if pkgs.lib.inNixShell then drv.env else drv |
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