haskell-hindent: initial expression

pkgs/development/libraries/haskell/hindent/default.nix

@@ -0,0 +1,17 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
+{ cabal, dataDefault, haskellSrcExts, mtl, text }:
+
+cabal.mkDerivation (self: {
+  pname = "hindent";
+  version = "2.1";
+  sha256 = "0gvrh26d1d6d1fy4qfpwrghdrlvk82mkya8vaz0xnrs89p9gr9rz";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [ dataDefault haskellSrcExts mtl text ];
+  meta = {
+    description = "Extensible Haskell pretty printer";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})

pkgs/top-level/haskell-packages.nix

@@ -1188,6 +1188,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   hi = callPackage ../development/libraries/haskell/hi {};
 
+  hindent = callPackage ../development/libraries/haskell/hindent {};
+
   hint = callPackage ../development/libraries/haskell/hint {};
 
   hit = callPackage ../development/libraries/haskell/hit {};