From 2ae5624b2f32e3c84c57d164f2c7fef205b458cc Mon Sep 17 00:00:00 2001
From: Samuel Evans-Powell <samuel.evans-powell@tiny.cloud>
Date: Fri, 18 Jan 2019 10:50:54 +1000
Subject: [PATCH] Update instructions for Haskell script using nix-shell
 interpreter

- The instructions for using nix-shell as an interpreter has a Haskell script
  example that doesn't work on more recent versions of Nix. Update the
  instructions with a working command
---
 doc/manual/command-ref/nix-shell.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/manual/command-ref/nix-shell.xml b/doc/manual/command-ref/nix-shell.xml
index cb443c88..bb4a4e42 100644
--- a/doc/manual/command-ref/nix-shell.xml
+++ b/doc/manual/command-ref/nix-shell.xml
@@ -337,7 +337,7 @@ following Haskell script uses a specific branch of Nixpkgs/NixOS (the
 
 <programlisting><![CDATA[
 #! /usr/bin/env nix-shell
-#! nix-shell -i runghc -p haskellPackages.ghc haskellPackages.HTTP haskellPackages.tagsoup
+#! nix-shell -i runghc -p "haskellPackages.ghcWithPackages (ps: [ps.HTTP ps.tagsoup])"
 #! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/nixos-18.03.tar.gz
 
 import Network.HTTP