91 lines
3.1 KiB
Nix
91 lines
3.1 KiB
Nix
final: _:
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let inherit (final) lib pkgs;
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in {
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haskellList = list: ''["${builtins.concatStringsSep ''", "'' list}"]'';
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# writeHaskell takes a name, an attrset with libraries and haskell version (both optional)
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# and some haskell source code and returns an executable.
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#
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# Example:
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# writeHaskell "missiles" { libraries = [ pkgs.haskellPackages.acme-missiles ]; } ''
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# import Acme.Missiles
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#
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# main = launchMissiles
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# '';
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writeHaskell = name:
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{ libraries ? [ ], ghc ? pkgs.ghc, ghcArgs ? [ ], ghcEnv ? { }, }:
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pkgs.writers.makeBinWriter {
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compileScript = let filename = lib.last (builtins.split "/" name);
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in ''
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cp $contentPath ${filename}.hs
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${
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lib.concatStringsSep " "
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(lib.mapAttrsToList (key: val: ''${key}="${val}"'') ghcEnv)
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} ${ghc.withPackages (_: libraries)}/bin/ghc ${
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lib.escapeShellArgs ghcArgs
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} ${filename}.hs
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mv ${filename} $out
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${pkgs.binutils-unwrapped}/bin/strip --strip-unneeded "$out"
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'';
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} name;
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# writeHaskellBin takes the same arguments as writeHaskell but outputs a directory (like writeScriptBin)
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writeHaskellBin = name: pkgs.writeHaskell "/bin/${name}";
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writeHaskellScript = { name ? "haskell-script", bins ? [ ], imports ? [ ], }:
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code:
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pkgs.writeHaskellBin name {
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ghcArgs = [
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"-threaded"
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"-Wall"
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"-Wno-unused-top-binds"
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"-Wno-missing-signatures"
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"-Wno-type-defaults"
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"-Wno-unused-imports"
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"-Werror"
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];
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libraries = builtins.attrValues pkgs.myHaskellScriptPackages;
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} ''
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{-# LANGUAGE DeriveDataTypeable #-}
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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE DeriveAnyClass #-}
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE QuasiQuotes #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE ExtendedDefaultRules #-}
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{-# LANGUAGE MultiWayIf #-}
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{-# LANGUAGE LambdaCase #-}
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{-# LANGUAGE ViewPatterns #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE NoImplicitPrelude #-}
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{-# LANGUAGE TupleSections #-}
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{-# LANGUAGE PartialTypeSignatures #-}
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{-# LANGUAGE BlockArguments #-}
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{-# LANGUAGE ImportQualifiedPost #-}
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{-# LANGUAGE TypeApplications #-}
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import Shh
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import Relude
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import Say
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import qualified Relude.Unsafe as Unsafe
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import qualified Data.ByteString.Lazy as LBS
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import qualified Data.ByteString.Lazy.Char8 as LBSC
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import qualified Data.ByteString as BS
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import qualified Data.ByteString.Char8 as BSC
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import qualified Data.Text as Text
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import System.Environment (setEnv)
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import Control.Exception (bracket, try)
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import Data.String.Interpolate (i)
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import Control.Concurrent.Async
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${builtins.concatStringsSep "\n" (map (x: "import ${x}") imports)}
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-- Load binaries from Nix packages. The dependencies will be captured
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-- in the closure.
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loadFromBins (${
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pkgs.haskellList
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(builtins.map toString (bins ++ [ pkgs.coreutils pkgs.nix ]))
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} :: [String])
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main :: IO ()
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${code}
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'';
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}
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