From db0ee933e845c51699dabd65cf6c0a37c7215360 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Wed, 4 Nov 2015 14:22:39 +0100
Subject: environment for generate_hostfile.hs

---
 custom/tinc/generate_hostfile.hs |  5 +----
 custom/tinc/shell.nix            | 13 +++++++++++++
 2 files changed, 14 insertions(+), 4 deletions(-)
 create mode 100644 custom/tinc/shell.nix

(limited to 'custom')

diff --git a/custom/tinc/generate_hostfile.hs b/custom/tinc/generate_hostfile.hs
index 90fa11b7..6d4217fd 100755
--- a/custom/tinc/generate_hostfile.hs
+++ b/custom/tinc/generate_hostfile.hs
@@ -9,11 +9,8 @@ main = readDirectory "." >>= putStrLn . genHostFile
 genHostFile :: AnchoredDirTree String -> String
 genHostFile (_ :/ (Dir _ contents)) = "{\n" ++ entries ++ "\n}\n"
   where
-    entries = concat [ genEntry name content | (File name content) <- contents, name `notElem` hidden ]
+    entries = concatMap $ [genEntry name content | (File name content) <- contents]
     genEntry fileName fileContent = unlines . indent $ [ "\"" ++ fileName ++ "\" = ''" ] ++ indent (lines fileContent) ++ [ "'';" ]
-    hidden = [ "to_nix.sh"
-             , "hosts.nix"
-             ]
 
 indent :: [String] -> [String]
 indent = map ("  " ++)
diff --git a/custom/tinc/shell.nix b/custom/tinc/shell.nix
new file mode 100644
index 00000000..b514600f
--- /dev/null
+++ b/custom/tinc/shell.nix
@@ -0,0 +1,13 @@
+{ pkgs ? (import <nixpkgs> {})
+}:
+
+pkgs.stdenv.mkDerivation rec {
+  name = "tinc-env";
+  buildInputs = [ (pkgs.haskellPackages.ghcWithPackages (p:
+                    with p; [ directory-tree
+                            ]))
+                ];
+  shellHook = ''
+    export PROMPT_INFO="${name}"
+  '';
+}
-- 
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