octaveHg: add package

pkgs/development/interpreters/octave/hg.nix

@@ -0,0 +1,75 @@
+args@{ stdenv, openblas, ghostscript ? null, texinfo
+
+     , # These are arguments that shouldn't be passed to the
+       # octave package.
+       texlive, tex ? texlive.combined.scheme-small
+     , epstool, pstoedit, transfig
+     , lib, fetchhg, callPackage
+     , autoconf, automake, libtool
+     , bison, librsvg, icoutils, gperf
+
+     , # These are options that can be passed in addition to the ones
+       # octave usually takes.
+       # - rev is the HG revision.  Use "tip" for the bleeding edge.
+       # - docs can be set to false to skip building documentation.
+       rev ? "23269", docs ? true
+
+     , # All remaining arguments will be passed to the octave package.
+       ...
+     }:
+
+with stdenv.lib;
+let
+  octaveArgs = removeAttrs args
+    [ "texlive" "tex"
+      "epstool" "pstoedit" "transfig"
+      "lib" "fetchhg" "callPackage"
+      "autoconf" "automake" "libtool"
+      "bison" "librsvg" "icoutils" "gperf"
+      "rev" "docs"
+    ];
+  octave = callPackage ./default.nix octaveArgs;
+
+  # List of hashes for known HG revisions.
+  sha256s = {
+    "23269" = "87f560e873ad1454fdbcdd8aca65f9f0b1e605bdc00aebbdc4f9d862ca72ff1d";
+  };
+
+in lib.overrideDerivation octave (attrs: rec {
+  version = "4.3.0pre${rev}";
+  name = "octave-${version}";
+
+  src = fetchhg {
+    url = http://www.octave.org/hg/octave;
+    inherit rev;
+
+    sha256 =
+      if builtins.hasAttr rev sha256s
+      then builtins.getAttr rev sha256s
+      else null;
+
+    fetchSubrepos = true;
+  };
+
+  # Octave's test for including this flag seems to be broken in 4.3.
+  F77_INTEGER_8_FLAG = optional openblas.blas64 "-fdefault-integer-8";
+
+  # This enables texinfo to find the files it needs.
+  TEXINPUTS = ".:build-aux:${texinfo}/texmf-dist/tex/generic/epsf:";
+
+  disableDocs = !docs || ghostscript == null;
+
+  nativeBuildInputs = attrs.nativeBuildInputs
+    ++ [ autoconf automake libtool bison librsvg icoutils gperf ]
+    ++ optionals (!disableDocs) [ tex epstool pstoedit transfig ];
+
+  # Run bootstrap before any other patches, as other patches may refer
+  # to files that are generated by the bootstrap.
+  prePatch = ''
+    patchShebangs bootstrap
+    ./bootstrap
+  '' + attrs.prePatch;
+
+  configureFlags = attrs.configureFlags ++
+    optional disableDocs "--disable-docs";
+})

pkgs/top-level/all-packages.nix

@@ -5943,17 +5943,29 @@ with pkgs;
     git = gitMinimal;
   };
 
-  octave = callPackage ../development/interpreters/octave {
-    qt = null;
-    ghostscript = null;
-    graphicsmagick = null;
-    llvm = null;
-    hdf5 = null;
-    glpk = null;
-    suitesparse = null;
-    jdk = null;
-    openblas = if stdenv.isDarwin then openblasCompat else openblas;
-  };
+  inherit (
+    let
+      defaultOctaveOptions = {
+        qt = null;
+        ghostscript = null;
+        graphicsmagick = null;
+        llvm = null;
+        hdf5 = null;
+        glpk = null;
+        suitesparse = null;
+        jdk = null;
+        openblas = if stdenv.isDarwin then openblasCompat else openblas;
+      };
+
+      hgOctaveOptions =
+        (removeAttrs defaultOctaveOptions ["ghostscript"]) // {
+          overridePlatforms = stdenv.lib.platforms.none;
+        };
+    in {
+      octave = callPackage ../development/interpreters/octave defaultOctaveOptions;
+      octaveHg = lowPrio (callPackage ../development/interpreters/octave/hg.nix hgOctaveOptions);
+  }) octave octaveHg;
+
   octaveFull = (lowPrio (callPackage ../development/interpreters/octave {
     qt = qt4;
     overridePlatforms = ["x86_64-linux" "x86_64-darwin"];