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Diffstat (limited to 'home-manager/modules/programs/vscode/haskell.nix')
-rw-r--r-- | home-manager/modules/programs/vscode/haskell.nix | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/home-manager/modules/programs/vscode/haskell.nix b/home-manager/modules/programs/vscode/haskell.nix new file mode 100644 index 00000000000..c8ea10d473e --- /dev/null +++ b/home-manager/modules/programs/vscode/haskell.nix @@ -0,0 +1,66 @@ +{ pkgs, config, lib, ... }: + +with lib; + +let + + cfg = config.programs.vscode.haskell; + + defaultHieNixExe = hie-nix.hies + "/bin/hie-wrapper"; + defaultHieNixExeText = literalExample + "\"\${pkgs.hie-nix.hies}/bin/hie-wrapper\""; + + hie-nix = pkgs.hie-nix or (abort '' + vscode.haskell: pkgs.hie-nix missing. Please add an overlay such as: + ${exampleOverlay} + ''); + + exampleOverlay = '' + nixpkgs.overlays = [ + (self: super: { hie-nix = import ~/src/hie-nix {}; }) + ] + ''; + +in + +{ + options.programs.vscode.haskell = { + enable = mkEnableOption "Haskell integration for Visual Studio Code"; + + hie.enable = mkOption { + type = types.bool; + default = true; + description = "Whether to enable Haskell IDE engine integration."; + }; + + hie.executablePath = mkOption { + type = types.path; + default = defaultHieNixExe; + defaultText = defaultHieNixExeText; + description = '' + The path to the Haskell IDE Engine executable. + </para><para> + Because hie-nix is not packaged in Nixpkgs, you need to add it as an + overlay or set this option. Example overlay configuration: + <programlisting language="nix">${exampleOverlay}</programlisting> + ''; + example = literalExample '' + (import ~/src/haskell-ide-engine {}).hies + "/bin/hie-wrapper"; + ''; + }; + }; + + config = mkIf cfg.enable { + programs.vscode.userSettings = mkIf cfg.hie.enable { + "languageServerHaskell.enableHIE" = true; + "languageServerHaskell.hieExecutablePath" = cfg.hie.executablePath; + }; + + programs.vscode.extensions = + [ + pkgs.vscode-extensions.justusadam.language-haskell + ] + ++ lib.optional cfg.hie.enable + pkgs.vscode-extensions.alanz.vscode-hie-server; + }; +} |