From 3f35767016871886ce4c83a7469794a279e69c2f Mon Sep 17 00:00:00 2001
From: Adithya Nair <adtya@adtya.xyz>
Date: Fri, 8 Dec 2023 14:11:16 +0530
Subject: [PATCH] add devShell for haskell

---
 README.md   | 5 +++++
 flake.nix   | 1 +
 haskell.nix | 8 ++++++++
 3 files changed, 14 insertions(+)
 create mode 100644 haskell.nix

diff --git a/README.md b/README.md
index 72325ba..fbfa3ad 100644
--- a/README.md
+++ b/README.md
@@ -14,3 +14,8 @@ This repo contains a bunch of handy dev shells that can used on any system that
  - can be activated with `nix develop github:adtya/devshell#python`
  - can also be activated with direnv by adding `use flake github:adtya/devshell#python` to `.envrc`
  - additionally, adding `layout pipenv` to `.envrc` will also activate the pipenv shell based on Pipfile and Pipfile.lock
+
+### Haskell
+ - makes `ghc`, `haskell-language-server`, `cabal` and `stack` available in path
+ - can be activated with `nix develop github:adtya/devshell#haskell`
+ - can also be activated with direnv by adding `use flake github:adtya/devshell#haskell` to `.envrc`
diff --git a/flake.nix b/flake.nix
index 80441ef..6fa00a6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,6 +16,7 @@
       devShells = {
         go = import ./go.nix { inherit pkgs; };
         python = import ./python.nix { inherit pkgs; };
+        haskell = import ./haskell.nix { inherit pkgs; };
       };
     }
   );
diff --git a/haskell.nix b/haskell.nix
new file mode 100644
index 0000000..a493519
--- /dev/null
+++ b/haskell.nix
@@ -0,0 +1,8 @@
+{ pkgs }: pkgs.mkShell {
+  packages = with pkgs.haskellPackages; [
+    ghc
+    haskell-language-server
+    cabal-install
+    stack
+  ];
+}