Merge pull request #101 from cdepillabout/get-stack-working-with-buil…

…dFHSUserEnv

Get stack working with buildFHSUserEnv on NixOS

.nix-helpers/stack-fhs-env.nix

@@ -0,0 +1,75 @@
+# This is a nix derivation that gives us a `stack` binary that will run in a
+# chroot.  This is needed to workaround
+# https://github.com/cdepillabout/termonad/issues/99.
+#
+# This is nice to use if you're having trouble running `stack` on nixos
+# normally.  It generally shouldn't be needed any other time.
+#
+# You can use this by starting a `nix-shell` with it:
+#
+# $ nix-shell --pure .nix-helpers/stack-fhs-env.nix
+#
+# From here, you can run `stack` normally.
+
+let
+  # recent version of nixpkgs master as of 2018-12-23
+  nixpkgsTarball = builtins.fetchTarball {
+    url = "https://github.com/NixOS/nixpkgs/archive/c31c0558ddad7161a4025117694197264cda9750.tar.gz";
+    sha256 = "09xl8fshyyddcm5nw5fkl6fbjlh5szjcdm43ii6jsvykdr516ghp";
+  };
+
+  # Additional packages or fixes for individual packages.
+  pkgOverlay = self: pkgs: {
+    fhsStack =
+      self.buildFHSUserEnv {
+        name = "stack";
+        runScript = "stack";
+        targetPkgs = _: with self; [
+            binutils
+            cairo
+            ghc
+            git
+            gnome3.atk
+            gnome3.gdk_pixbuf
+            gnome3.glib
+            gnome3.gtk
+            gnome3.vte
+            gnutls
+            gobjectIntrospection
+            gtk3
+            haskell.compiler.ghc863
+            iana-etc
+            pango
+            pcre2
+            pkgconfig
+            stack
+            zlib
+        ] ++
+          self.stdenv.lib.optional
+            (self.stdenv.hostPlatform.libc == "glibc")
+            self.glibcLocales;
+        profile = ''
+          export STACK_IN_NIX_SHELL=1
+          export GI_TYPELIB_PATH=/usr/lib/girepository-1.0
+        '';
+        extraOutputsToInstall = ["dev"];
+      };
+  };
+
+  nixpkgs = import nixpkgsTarball {
+    overlays = [
+      pkgOverlay
+    ];
+  };
+
+in
+
+with nixpkgs;
+
+mkShell {
+  buildInputs = [
+    fhsStack
+    gitAndTools.gitFull
+    gitAndTools.hub
+  ];
+}

stack-lts-12.yaml

@@ -39,4 +39,4 @@ extra-package-dbs: []
 nix:
     packages: []
     pure: true
-    shell-file: .nix-helpers/stack-nix-shell.nix
+    shell-file: .nix-helpers/stack-shell.nix

stack-lts-13.yaml

@@ -43,4 +43,4 @@ extra-package-dbs: []
 nix:
     packages: []
     pure: true
-    shell-file: .nix-helpers/stack-nix-shell.nix
+    shell-file: .nix-helpers/stack-shell.nix

termonad.cabal

@@ -17,7 +17,8 @@ extra-source-files:  README.md
                    , img/termonad.png
                    , .nix-helpers/nixops.nix
                    , .nix-helpers/nixpkgs.nix
-                   , .nix-helpers/stack-nix-shell.nix
+                   , .nix-helpers/stack-fhs-env.nix
+                   , .nix-helpers/stack-shell.nix
                    , .nix-helpers/termonad-with-packages.nix
                    , shell.nix
 data-files:          img/termonad-lambda.png