From e1da72e5502bd34867b540570abddfc67217ab75 Mon Sep 17 00:00:00 2001
From: Tomasz Hołubowicz <alternateved@pm.me>
Date: Sun, 5 Jun 2022 23:13:51 +0200
Subject: Add flake.nix

---
 flake.nix | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 flake.nix

(limited to 'flake.nix')

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..0c79fad
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,36 @@
+{
+  inputs = {
+    git-ignore-nix.url = "github:hercules-ci/gitignore.nix/master";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs = { self, nixpkgs, flake-utils, git-ignore-nix }:
+    let
+      overlay = final: prev: {
+        haskellPackages = prev.haskellPackages.override (old: {
+          overrides = prev.lib.composeExtensions (old.overrides or (_: _: { }))
+            (hself: hsuper: {
+              xmobar = hself.callCabal2nix "xmobar"
+                (git-ignore-nix.lib.gitignoreSource ./.) { };
+            });
+        });
+      };
+      overlays = [ overlay ];
+    in flake-utils.lib.eachDefaultSystem (system:
+      let pkgs = import nixpkgs { inherit system overlays; };
+      in rec {
+        devShell = pkgs.haskellPackages.shellFor {
+          packages = p: [ p.xmobar ];
+          buildInputs = with pkgs; [
+            xorg.libX11
+            xorg.libXrandr
+            xorg.libXrender
+            xorg.libXScrnSaver
+            xorg.libXext
+            xorg.libXft
+          ];
+        };
+        defaultPackage = pkgs.haskellPackages.xmobar;
+      }) // {
+        inherit overlay overlays;
+      };
+}
-- 
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