Daily blog update

shell.nix

@@ -0,0 +1,32 @@
+# https://wizzup.github.io/posts/nix-shell-haskell-invocation/
+# shell.nix for nix-shell (haskell)
+
+{ pkgs ? import <nixpkgs> {} }:
+
+let
+  ghc = pkgs.haskellPackages.ghcWithHoogle (self: with self; [
+          hspec
+          split
+          hakyll
+          random
+          neat-interpolation
+        ]);
+in
+pkgs.mkShell {
+  name = "haskell-shell";
+  buildInputs = (with pkgs.haskellPackages; [ 
+      ghc
+      hlint
+
+      stack
+      ghcjs-dom
+      cabal-install
+    ]) ++ (with pkgs; [
+      nano
+    ]);
+
+  shellHook = ''
+    eval "$(egrep ^export "$(type -p ghc)")"
+    export PS1="\[\033[1;32m\][ns-hs:\w]\n$ \[\033[0m\]"
+  '';
+}