47 lines
1.0 KiB
Nix
47 lines
1.0 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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packages = builtins.attrValues {
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inherit (pkgs)
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haskell-language-server # LSP server for Haskell
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cabal-install # Standard Haskell build tool
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hlint # Linter for Haskell source code
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;
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inherit (pkgs.haskellPackages)
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hoogle # Haskell API search engine
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;
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};
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in
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{
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options = {
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my.dev.haskell.enable = lib.mkEnableOption "Install Haskell tooling globally";
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devShells.haskell = lib.mkOption {
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type = lib.types.package;
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default = pkgs.mkShell {
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inherit packages;
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name = "haskell-dev-shell";
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shellHook = ''
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echo "λ Haskell dev environment"
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'';
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};
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description = "Haskell development shell";
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};
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};
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config = lib.mkMerge [
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(lib.mkIf config.my.dev.haskell.enable {
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users.users.jawz = { inherit packages; };
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})
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{
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environment.variables = {
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CABAL_DIR = "\${XDG_CACHE_HOME}/cabal";
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STACK_ROOT = "\${XDG_DATA_HOME}/stack";
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GHCUP_USE_XDG_DIRS = "true";
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};
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}
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];
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}
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