fix: actually add haskell

templates/haskell/CHANGELOG.md

@@ -0,0 +1,5 @@
+# Revision history for cool-haskell-project
+
+## 0.1.0.0 -- YYYY-mm-dd
+
+* First version. Released on an unsuspecting world.

templates/haskell/LICENSE

@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+

templates/haskell/app/Main.hs

@@ -0,0 +1,3 @@
+main :: IO ()
+main = do
+  putStrLn "Hello World!"

templates/haskell/cool-haskell-project.cabal

@@ -0,0 +1,25 @@
+cabal-version:      3.0
+name:               cool-haskell-project
+version:            0.1.0.0
+-- synopsis:
+-- description:
+license:            WTFPL
+license-file:       LICENSE
+author:             Artur Manuel
+maintainer:         balkenix@outlook.com
+-- copyright:
+build-type:         Simple
+extra-doc-files:    CHANGELOG.md
+-- extra-source-files:
+
+common warnings
+    ghc-options: -Wall
+
+executable cool-haskell-project
+    import:           warnings
+    main-is:          Main.hs
+    -- other-modules:
+    -- other-extensions:
+    build-depends:    base ^>=4.18.2.1
+    hs-source-dirs:   app
+    default-language: GHC2021

templates/haskell/flake.lock

@@ -0,0 +1,62 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1725407940,
+        "narHash": "sha256-tiN5Rlg/jiY0tyky+soJZoRzLKbPyIdlQ77xVgREDNM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6f6c45b5134a8ee2e465164811e451dcb5ad86e3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1725103162,
+        "narHash": "sha256-Ym04C5+qovuQDYL/rKWSR+WESseQBbNAe5DsXNx5trY=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "12228ff1752d7b7624a54e9c1af4b222b3c1073b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "treefmt": "treefmt"
+      }
+    },
+    "treefmt": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1725271838,
+        "narHash": "sha256-VcqxWT0O/gMaeWTTjf1r4MOyG49NaNxW4GHTO3xuThE=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "9fb342d14b69aefdf46187f6bb80a4a0d97007cd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

templates/haskell/flake.nix

@@ -0,0 +1,33 @@
+{
+  description = "Cool Haskell Project with an unknown purpose";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+    treefmt.url = "github:numtide/treefmt-nix";
+  };
+  outputs =
+    inputs@{ nixpkgs, ... }:
+    let
+      lib = nixpkgs.lib;
+      systems = [ "x86_64-linux" ];
+      forAllSystems =
+        f:
+        lib.genAttrs systems (
+          system:
+          f {
+            pkgs = import nixpkgs {
+              inherit system;
+            };
+          }
+        );
+      treefmtEval = forAllSystems ({ pkgs }: inputs.treefmt.lib.evalModule pkgs ./flake/treefmt.nix);
+    in
+    {
+      packages = forAllSystems ({ pkgs }: {
+        cool-haskell-project = pkgs.callPackage ./flake/package.nix {};
+      });
+      devShells = forAllSystems ({ pkgs }: {
+        default = pkgs.callPackage ./flake/shell.nix {};
+      });
+      formatter = forAllSystems ({ pkgs }: treefmtEval.${pkgs.system}.config.build.wrapper);
+    };
+}

templates/haskell/flake/package.nix

@@ -0,0 +1,4 @@
+{ haskellPackages }:
+haskellPackages.developPackage {
+  root = ../.;
+}

templates/haskell/flake/shell.nix

@@ -0,0 +1,9 @@
+{ haskellPackages }: {
+  packages = builtins.attrValues {
+    inherit (haskellPackages)
+      haskell-language-server
+      ormolu
+      ghc
+      ;
+  };
+}

templates/haskell/flake/treefmt.nix

@@ -0,0 +1,5 @@
+_: {
+  projectRootFile = "flake.nix";
+  programs.nixfmt.enable = true;
+  programs.ormolu.enable = true;
+}