From 2cb80224e382e046e59d65137cd5403974a5759a Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sat, 15 Sep 2018 15:25:16 +0200
Subject: integrate flag into nix

---
 bar.nix | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/bar.nix b/bar.nix
index 9849765..f9b181e 100644
--- a/bar.nix
+++ b/bar.nix
@@ -1,12 +1,11 @@
-{ mkDerivation, aeson, base, bytestring, case-insensitive
-, classy-prelude, classy-prelude-conduit, classy-prelude-yesod
-, conduit, containers, data-default, directory, fast-logger
-, file-embed, hashids, hjsmin, http-conduit, lens, monad-control
+{ mkDerivation, aeson, base, bytestring, classy-prelude
+, classy-prelude-yesod, conduit, containers, fast-logger
+, file-embed, foreign-store, hashids, hpack, http-conduit, lens
 , monad-logger, mtl, persistent, persistent-postgresql
-, persistent-template, safe, shakespeare, stdenv, systemd
-, template-haskell, text, thermoprint-client, time
-, unordered-containers, vector, wai, wai-extra, wai-logger, warp
-, yaml, yesod, yesod-auth, yesod-core, yesod-form, yesod-static
+, persistent-template, shakespeare, stdenv, systemd
+, template-haskell, text, time, unordered-containers, vector, wai
+, wai-extra, wai-logger, warp, yaml, yesod, yesod-core, yesod-form
+, yesod-static, thermoprint-client ? null 
 }:
 mkDerivation {
   pname = "bar";
@@ -15,17 +14,18 @@ mkDerivation {
   isLibrary = true;
   isExecutable = true;
   libraryHaskellDepends = [
-    aeson base bytestring case-insensitive classy-prelude
-    classy-prelude-conduit classy-prelude-yesod conduit containers
-    data-default directory fast-logger file-embed hashids hjsmin
-    http-conduit lens monad-control monad-logger mtl persistent
-    persistent-postgresql persistent-template safe shakespeare systemd
-    template-haskell text thermoprint-client time unordered-containers
-    vector wai wai-extra wai-logger warp yaml yesod yesod-auth
-    yesod-core yesod-form yesod-static
-  ];
-  executableHaskellDepends = [ base ];
+    aeson base bytestring classy-prelude classy-prelude-yesod conduit
+    containers fast-logger file-embed hashids http-conduit lens
+    monad-logger mtl persistent persistent-postgresql
+    persistent-template shakespeare systemd template-haskell text time
+    unordered-containers vector wai wai-extra wai-logger warp yaml
+    yesod yesod-core yesod-form yesod-static
+  ] ++ if thermoprint-client == null then [] else [ thermoprint-client ];
+  configureFlags = if thermoprint-client != null then [ "thermoprint" ] else [];
+  libraryToolDepends = [ hpack ];
+  executableHaskellDepends = [ base foreign-store warp ];
   doHaddock = false;
+  preConfigure = "hpack";
   license = stdenv.lib.licenses.unfree;
   hydraPlatforms = stdenv.lib.platforms.none;
 }
-- 
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