From a78c2c7a1cf8c75a83f0ec03d155b1beefff2edb Mon Sep 17 00:00:00 2001
From: "Yann Esposito (Yogsototh)" <yann.esposito@gmail.com>
Date: Wed, 29 Aug 2018 23:15:58 +0200
Subject: [PATCH] shell.nix

---
 gpm.hs    |  9 +--------
 shell.nix | 13 +++++++++++++
 2 files changed, 14 insertions(+), 8 deletions(-)
 create mode 100644 shell.nix

diff --git a/gpm.hs b/gpm.hs
index 63775e3..6a50136 100644
--- a/gpm.hs
+++ b/gpm.hs
@@ -4,7 +4,7 @@
 #! nix-shell -I nixpkgs="https://github.com/NixOS/nixpkgs/archive/16d475334409f7fa632929b2838421b4ffe34927.tar.gz"
 {-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
-import Protolude hiding (stdout)
+import Protolude hiding (stdout,(%))
 import Turtle
 
 main :: IO ()
@@ -23,13 +23,6 @@ mkNewEmptyBranch br = do
   echo "cleanup the branch"
   debug "git rm --cached -r ."
 
-mkNewEmptyBranch :: Text -> IO ()
-mkNewEmptyBranch br = do
-  echo "create a new branch "<> br <> " (be sure the branch " <> br <> " doesn't already exists)"
-  debug $ "git checkout --orphan " <> br
-  echo "cleanup the branch"
-  debug "git rm --cached -r ."
-
 debug :: Text -> IO ()
 debug cmd = do
   putText cmd
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..dbd4d4a
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,13 @@
+let
+  rev = "16d475334409f7fa632929b2838421b4ffe34927";
+  _nixpkgs = import <nixpkgs> { };
+  pkgs = import ( fetchTarball "https://github.com/NixOS/nixpkgs/archive/${rev}.tar.gz" ) { };
+  ghc = pkgs.haskellPackages;
+  ghcPackages = ghc.ghcWithPackages (ps: [ ps.protolude ps.turtle ]);
+in with pkgs;
+
+stdenv.mkDerivation {
+  name = "gpm";
+  buildInputs = [ ghcPackages ];
+  buildDepends = [ libiconv ];
+}
\ No newline at end of file