1 files changed, 22 insertions, 18 deletions
diff --git a/users/wpcarro/buildHaskell/default.nix b/users/wpcarro/buildHaskell/default.nix
index 5958b1ea26ae..2f0fd9e1c2d1 100644
--- a/users/wpcarro/buildHaskell/default.nix
+++ b/users/wpcarro/buildHaskell/default.nix
@@ -2,11 +2,13 @@
 
 {
   # Create a nix-shell for Haskell development.
-  shell = { deps }: let
-    ghc = pkgs.haskellPackages.ghcWithPackages (hpkgs: deps hpkgs);
-  in pkgs.mkShell {
-    buildInputs = [ghc];
-  };
+  shell = { deps }:
+    let
+      ghc = pkgs.haskellPackages.ghcWithPackages (hpkgs: deps hpkgs);
+    in
+    pkgs.mkShell {
+      buildInputs = [ ghc ];
+    };
 
   # Build a Haskell executable. This assumes a project directory with a
   # top-level Main.hs.
@@ -15,17 +17,19 @@
   # - `deps`: A function that accepts `hpkgs` and returns a list of Haskell
   # - `ghcExtensions`: A list of strings representing the language extensions to
   #   use.
-  program = { name, srcs, deps, ghcExtensions }: let
-    ghc = pkgs.haskellPackages.ghcWithPackages (hpkgs: deps hpkgs);
-  in pkgs.stdenv.mkDerivation {
-    name = name;
-    buildInputs = [];
-    srcs = srcs;
-    buildPhase = ''
-      ${ghc}/bin/ghc -Wall Main.hs ${pkgs.lib.concatMapStrings (x: "-X${x} ") ghcExtensions}
-    '';
-    installPhase = ''
-      mkdir -p $out && mv Main $out/${name}
-    '';
-  };
+  program = { name, srcs, deps, ghcExtensions }:
+    let
+      ghc = pkgs.haskellPackages.ghcWithPackages (hpkgs: deps hpkgs);
+    in
+    pkgs.stdenv.mkDerivation {
+      name = name;
+      buildInputs = [ ];
+      srcs = srcs;
+      buildPhase = ''
+        ${ghc}/bin/ghc -Wall Main.hs ${pkgs.lib.concatMapStrings (x: "-X${x} ") ghcExtensions}
+      '';
+      installPhase = ''
+        mkdir -p $out && mv Main $out/${name}
+      '';
+    };
 }