ihaskell: added package

pkgs/development/tools/haskell/ihaskell/default.nix

@@ -0,0 +1,49 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+# This file was later edited to add patches, disable testing.
+# Also patch the profile config to point to the ihaskell kernel exe
+
+{ cabal, aeson, base64Bytestring, cereal, classyPrelude, cmdargs
+, filepath, ghcParser, ghcPaths, haskeline, haskellSrcExts, here
+, hlint, hspec, HTTP, HUnit, MissingH, monoTraversable, mtl, parsec
+, random, setenv, shelly, split, stm, strict, systemArgv0
+, systemFilepath, tar, text, transformers, unorderedContainers
+, utf8String, uuid, vector, zeromq4Haskell, fetchpatch
+}:
+
+cabal.mkDerivation (self: {
+  pname = "ihaskell";
+  version = "0.4.2.0";
+  sha256 = "012rmasdc167w6gl18ysr53737j4p4afk0qcsv81hif92vvg5j1c";
+  isLibrary = true;
+  isExecutable = true;
+  patches = [ (fetchpatch { url = "https://github.com/gibiansky/IHaskell/pull/288.patch"; sha256 = "022zdz4wnyra6cfa7mq0w2ycsb007cvppn2f1360nr3fa5s9wibg"; }) ];
+  prePatch = ''
+    tar xvf profile/profile.tar -C profile
+    sed -i -e '1iexe = "'$out'/bin/IHaskell".replace(" ", "\\ ")\' profile/ipython_config.py
+  '';
+  doCheck = false;
+  buildDepends = [
+    aeson base64Bytestring cereal classyPrelude cmdargs filepath
+    ghcParser ghcPaths haskeline haskellSrcExts here hlint hspec HTTP
+    HUnit MissingH monoTraversable mtl parsec random shelly split stm
+    strict systemArgv0 systemFilepath tar text transformers
+    unorderedContainers utf8String uuid vector zeromq4Haskell
+  ];
+  testDepends = [ # let's keep these anyway
+    aeson base64Bytestring cereal classyPrelude cmdargs filepath
+    ghcParser ghcPaths haskeline haskellSrcExts here hlint hspec HTTP
+    HUnit MissingH monoTraversable mtl parsec random setenv shelly
+    split stm strict systemArgv0 systemFilepath tar text transformers
+    unorderedContainers utf8String uuid vector zeromq4Haskell
+  ];
+  postInstall = ''
+    patchShebangs .
+  '';
+  meta = with self.stdenv.lib; {
+    homepage = "http://gibiansky.github.io/IHaskell/";
+    description = "A Haskell backend kernel for the IPython project";
+    license = licenses.mit;
+    platforms = self.ghc.meta.platforms;
+    maintainers = with maintainers; [ edwtjo ];
+  };
+})

pkgs/development/tools/haskell/ihaskell/use-classy-prelude.patch

@@ -0,0 +1,34 @@
+From fad4e38079e91b13bf1e94732b7494504071b224 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Edward=20Tj=C3=B6rnhammar?= <ed@cflags.cc>
+Date: Sun, 28 Sep 2014 09:27:40 +0200
+Subject: [PATCH] catMaybes, explicitly use ClassyPrelude
+
+---
+ src/IHaskell/Eval/Completion.hs | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/IHaskell/Eval/Completion.hs b/src/IHaskell/Eval/Completion.hs
+index 790c903..93d7ac1 100644
+--- a/src/IHaskell/Eval/Completion.hs
++++ b/src/IHaskell/Eval/Completion.hs
+@@ -141,7 +141,7 @@ getTrueModuleName name = do
+       onlyImportDecl _ = Nothing
+ 
+   -- Get all imports that we use.
+-  imports <- catMaybes <$> map onlyImportDecl <$> getContext
++  imports <- ClassyPrelude.catMaybes <$> map onlyImportDecl <$> getContext
+ 
+   -- Find the ones that have a qualified name attached.
+   -- If this name isn't one of them, it already is the true name.
+@@ -178,7 +178,7 @@ completionType line loc target
+     = Empty
+ 
+   -- When in a string, complete filenames.
+-  | cursorInString line loc 
++  | cursorInString line loc
+     = FilePath (getStringTarget lineUpToCursor) (getStringTarget lineUpToCursor)
+ 
+   -- Complete module names in imports and elsewhere.
+-- 
+2.1.0
+

pkgs/development/tools/haskell/ihaskell/wrapper.nix

@@ -0,0 +1,26 @@
+{ stdenv, makeWrapper, ihaskell, ipython, ghc }:
+
+stdenv.mkDerivation rec {
+
+  name = "ihaskell-" + ihaskell.version ;
+
+  buildInputs = [ makeWrapper ];
+
+  preferLocalBuild = true;
+
+  buildCommand = ''
+    makeWrapper "${ihaskell}/bin/IHaskell" "$out/bin/ihaskell" \
+      --prefix PATH : "${ghc}/bin:${ihaskell}/bin:${ipython}/bin" \
+      --prefix LD_LIBRARY_PATH : "${ihaskell}/lib/ghc-${ghc.version}/${name}/" \
+      --add-flags "--ipython=${ipython}/bin/ipython" \
+      --set PROFILE_DIR "\$HOME/.ipython/profile_haskell" \
+      --set PROFILE_TAR "$(find ${ihaskell} -iname "profile.tar")" \
+      --set PROFILE_INIT "\$([ ! -d \$PROFILE_DIR ] && mkdir -p \$PROFILE_DIR && tar xvf \$PROFILE_TAR -C \$PROFILE_DIR)" \
+      --prefix GHC_PACKAGE_PATH : "\$(${ghc.GHCGetPackages} ${ghc.version}|sed -e 's, -package-db ,:,g'|cut -b 2-):${ihaskell}/lib/ghc-${ghc.version}/package.conf.d/${name}.installedconf" \
+      --set GHC_PACKAGE_PATH "\$GHC_PACKAGE_PATH:" # always end with : to include base packages
+  '';
+
+  meta = {
+    description = ihaskell.meta.description;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1404,6 +1404,11 @@ let
 
   iftop = callPackage ../tools/networking/iftop { };
 
+  ihaskell = callPackage ../development/tools/haskell/ihaskell/wrapper.nix {
+    inherit (pythonPackages) ipython;
+    inherit (haskellPackages) ihaskell ghc;
+  };
+
   imapproxy = callPackage ../tools/networking/imapproxy { };
 
   imapsync = callPackage ../tools/networking/imapsync {

pkgs/top-level/haskell-packages.nix

@@ -1351,6 +1351,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   ieee754 = callPackage ../development/libraries/haskell/ieee754 {};
 
+  ihaskell = callPackage ../development/tools/haskell/ihaskell {};
+
   imm = callPackage ../development/libraries/haskell/imm {};
 
   implicit = callPackage ../development/libraries/haskell/implicit {