From f68fbb3118aabaa961e24530f0105fc95578a0b5 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Sat, 26 Jan 2019 10:55:29 -0800
Subject: [PATCH] Add build instructions for nix

---
 .gitignore  |  1 +
 README.md   |  6 ++++++
 default.nix | 13 +++++++++++++
 pkgs.nix    |  5 +++++
 4 files changed, 25 insertions(+)
 create mode 100644 default.nix
 create mode 100644 pkgs.nix

diff --git a/.gitignore b/.gitignore
index 906e747..4393459 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ local/
 cabal.sandbox.config
 cabal.project.local
 .ghc.environment.*
+result
\ No newline at end of file
diff --git a/README.md b/README.md
index d42d085..da9675b 100644
--- a/README.md
+++ b/README.md
@@ -94,6 +94,12 @@ log the size of the input, but _not_ the full input/output of requests.)
     aura -A brittany
     ~~~~
 
+- via `nix`:
+    ~~~.sh
+    nix build  # or 'nix-build'
+    nix-env -i ./result
+    ~~~
+
 # Editor Integration
 
 #### Sublime text
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..5c0ccfe
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,13 @@
+{ pkgs ? import (fetchGit (import ./pkgs.nix)) {}
+, compiler ? "ghc822"
+}:
+
+pkgs.haskell.packages.${compiler}.developPackage {
+  root = ./.;
+  name = "brittany";
+  overrides = with pkgs.haskell.lib; self: super: {
+  };
+  source-overrides = {
+    ghc-exactprint = "0.5.8.0";
+  };
+}
diff --git a/pkgs.nix b/pkgs.nix
new file mode 100644
index 0000000..76cbbb8
--- /dev/null
+++ b/pkgs.nix
@@ -0,0 +1,5 @@
+{
+  url = "https://github.com/nixos/nixpkgs.git";
+  ref = "release-18.09";
+  rev = "b9fa31cea0e119ecf1867af4944ddc2f7633aacd";
+}