kbd: split keymaps into kbdKeymaps

nixos/modules/config/i18n.nix

···
 
       consolePackages = mkOption {
         type = types.listOf types.package;
-        default = [];
+        default = with pkgs.kbdKeymaps; [ dvp neo ];
         description = ''
 	  List of additional packages that provide console fonts, keymaps and
           other resources.

pkgs/os-specific/linux/kbd/default.nix

···
     sha256 = "0ppv953gn2zylcagr4z6zg5y2x93dxrml29plypg6xgbq3hrv2bs";
   };
 
-  /* Get the dvorak programmer keymap (present in X but not in kbd) */
-  dvpSrc = fetchurl {
-    url = "http://kaufmann.no/downloads/linux/dvp-1_2_1.map.gz";
-    sha256 = "0e859211cfe16a18a3b9cbf2ca3e280a23a79b4e40b60d8d01d0fde7336b6d50";
-  };
-
-  neoSrc = fetchurl {
-    name = "neo.map";
-    url = "https://svn.neo-layout.org/linux/console/neo.map?r=2455";
-    sha256 = "1wlgp09wq84hml60hi4ls6d4zna7vhycyg40iipyh1279i91hsx7";
-  };
-
   configureFlags = [
     "--enable-optional-progs"
     "--enable-libkeymap"
···
 
   postPatch =
     ''
-      mkdir -p data/keymaps/i386/neo
-      cat "$neoSrc" > data/keymaps/i386/neo/neo.map
+      # Add Neo keymap subdirectory
       sed -i -e 's,^KEYMAPSUBDIRS *= *,&i386/neo ,' data/Makefile.am
-
-      # Add the dvp keyboard in the dvorak folder
-      ${gzip}/bin/gzip -c -d ${dvpSrc} > data/keymaps/i386/dvorak/dvp.map
 
       # Fix the path to gzip/bzip2.
       substituteInPlace src/libkeymap/findfile.c \

pkgs/os-specific/linux/kbd/keymaps.nix

···
+{ stdenv, lib, fetchurl, gzip }:
+
+{
+  dvp = stdenv.mkDerivation rec {
+    name = "dvp-${version}";
+    version = "1.2.1";
+
+    src = fetchurl {
+      url = "http://kaufmann.no/downloads/linux/dvp-${lib.replaceStrings ["."] ["_"] version}.map.gz";
+      sha256 = "0e859211cfe16a18a3b9cbf2ca3e280a23a79b4e40b60d8d01d0fde7336b6d50";
+    };
+
+    nativeBuildInputs = [ gzip ];
+
+    buildCommand = ''
+      mkdir -p $out/share/keymaps/i386/dvorak
+      gzip -c -d $src > $out/share/keymaps/i386/dvorak/dvp.map
+    '';
+  };
+
+  neo = stdenv.mkDerivation rec {
+    name = "neo-${version}";
+    version = "2476";
+
+    src = fetchurl {
+      name = "neo.map";
+      url = "https://svn.neo-layout.org/linux/console/neo.map?r=${version}";
+      sha256 = "19mfrd31vzpsjiwc7pshxm0b0sz5dd17xrz6k079cy4im1vf0r4g";
+    };
+
+    buildCommand = ''
+      install -D $src $out/share/keymaps/i386/neo/neo.map
+    '';
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   kbd = callPackage ../os-specific/linux/kbd { };
 
+  kbdKeymaps = callPackage ../os-specific/linux/kbd/keymaps.nix { };
+
   kbdlight = callPackage ../os-specific/linux/kbdlight { };
 
   kmscon = callPackage ../os-specific/linux/kmscon { };