Refactor packaging -> all nix code moves to argopkgs.

.envrc

-use_nix

default.nix

 {
-  hostPkgs ? import <nixpkgs> {},
-  pkgs ? import (hostPkgs.nix-update-source.fetch ./argopkgs.json).src {},
+  argopkgs ? import <argopkgs> {},
 }:
-let
-  filterHdevTools = builtins.filterSource (path: type: baseNameOf path != ".hdevtools.sock");
+rec {
+  argotk = argopkgs.argotk.overrideAttrs (old:{
+    src = ./.;
+  });
 
-  hpkgs = pkgs.haskellPackages.override {
-      overrides = self: super: rec {
-        argotk = (self.callCabal2nix "argotk" (filterHdevTools ./.) {}).overrideAttrs
-          (old:{buildInputs=old.buildInputs ++ [pkgs.hwloc];});
-    };
-  };
-
-  devHPackages = with hpkgs; [
-    cabal-install
-    apply-refact
-    hdevtools
-    hindent
-    hlint
-    shake
-    brittany
-    ghcid
-  ];
-in rec
-{
-  argotk = hpkgs.argotk.overrideAttrs (old:{
-        installPhase = old.installPhase + ''
-          mkdir $out/share/
-          ARGOTK_SHARE=share $out/bin/argotk --bash-completion-script argotk > $out/share/argotk.sh
-          cp -r share/* $out/share/
-          substituteInPlace $out/share/simple-H2O.xml --replace \
-                H2O.HF.wfs.xml $out/share/H2O.HF.wfs.xml
-          substituteInPlace $out/share/simple-H2O.xml --replace \
-                O.BFD.xml $out/share/O.BFD.xml
-          substituteInPlace $out/share/simple-H2O.xml --replace \
-                H.BFD.xml $out/share/H.BFD.xml
-        '';
-      });
-
-  hack = hpkgs.shellFor {
-    packages = p: with p; [ argotk ];
-    withHoogle = true;
-    buildInputs = devHPackages;
-  };
+  hack = argopkgs.argolib.getHackEnv argopkgs argopkgs.haskellPackages argotk;
 
-  preCommit = pkgs.mkShell {
+  preCommit = argopkgs.mkShell {
     name = "shake";
-    ARGOTK_SHARE = "${argotk}/share";
     buildInputs = [
-      (pkgs.haskellPackages.ghcWithPackages (p: with p; [
+      (argopkgs.haskellPackages.ghcWithPackages (p: with p; [
           argotk
           pkgs.hwloc
           shake
-          (pkgs.haskell.lib.doJailbreak panpipe)
+          panpipe
         ]))
       ];
   };

share/openmc/settings.xml

@@ -2,8 +2,8 @@
 <settings>
   <run_mode>eigenvalue</run_mode>
   <particles>100</particles>
-  <batches>10</batches>
-  <inactive>2</inactive>
+  <batches>800</batches>
+  <inactive>1</inactive>
   <source strength="1.0">
     <space type="fission">
       <parameters>-10.751819999999999 -10.751819999999999 36.007 10.751819999999999 10.751819999999999 236.0066</parameters>