migration: packages: openfoam

devShells/default.nix

@@ -1,3 +1,5 @@
+# self.devShells.${system}
+#
 { self, nixpkgs, ... }:
 let 
     forAllSystems = nixpkgs.lib.genAttrs [ "x86_64-linux" ];
@@ -10,4 +12,6 @@ in forAllSystems(system: let
     in {
     
     netgen = import ./netgen.nix { inherit pkgs bpkgs; };
+
+    openfoam = import ./openfoam.nix { inherit pkgs bpkgs; };
 })

devShells/openfoam.nix

@@ -0,0 +1,11 @@
+{ pkgs, bpkgs, ... }:
+pkgs.mkShellNoCC {
+    packages = with pkgs; [
+        bpkgs.openfoam
+        mpi
+    ];
+
+    shellHook = ''
+        . ${bpkgs.openfoam}/OpenFOAM-${bpkgs.openfoam.major}/etc/bashrc
+    '';
+}

packages/default.nix

@@ -1,3 +1,5 @@
+# self.packages.${system}
+#
 { self, nixpkgs, ... }:
 let 
     forAllSystems = nixpkgs.lib.genAttrs [ "x86_64-linux" ];
@@ -10,4 +12,6 @@ in forAllSystems(system: let pkgs = nixpkgsFor.${system}; in {
     netgen = pkgs.callPackage ./netgen {};
    
     dearpygui = pkgs.callPackage ./dearpygui {};
+
+    openfoam = pkgs.callPackage ./openfoam {};
 })

packages/openfoam/default.nix

@@ -0,0 +1,76 @@
+{ 
+    stdenv, lib, pkgs,
+    version ? "11.20230907",
+    sha256 ? "sha256-oT9NkQR/KGQYPX5gNuebMZFz+hxG5vp4fownQMkX5r0=", ...
+}:
+let 
+    version' = lib.strings.splitString "." version;
+    major = lib.elemAt version' 0;
+    revision = lib.elemAt version' 1;
+    realname = "OpenFOAM";
+
+in stdenv.mkDerivation {
+    pname = "openfoam";
+    inherit version major;
+
+    src = pkgs.fetchFromGitHub {
+        owner = realname;
+        repo = "${realname}-${major}";
+        rev = "${revision}";
+        sha256 = sha256;
+    };
+
+    nativeBuildInputs = with pkgs; [ bash m4 flex bison ];
+
+    buildInputs = with pkgs; [ fftw mpi scotch boost cgal zlib ];
+
+    postPatch = ''
+        substituteInPlace etc/bashrc \
+            --replace '[ "$BASH" -o "$ZSH_NAME" ] && \' '#' \
+            --replace 'export FOAM_INST_DIR=$(cd $(dirname ${"$"}{BASH_SOURCE:-$0})/../.. && pwd -P) || \' '#' \
+            --replace 'export FOAM_INST_DIR=$HOME/$WM_PROJECT' '# __inst_dir_placeholder__'
+
+        patchShebangs Allwmake
+        patchShebangs etc
+        patchShebangs wmake
+        patchShebangs applications
+        patchShebangs bin
+    '';
+
+    configurePhase = ''
+        export FOAM_INST_DIR=$NIX_BUILD_TOP/source
+        export WM_PROJECT_DIR=$FOAM_INST_DIR/${realname}-${major}
+        mkdir $WM_PROJECT_DIR
+
+        mv $(find $FOAM_INST_DIR/ -maxdepth 1 -not -path $WM_PROJECT_DIR -not -path $FOAM_INST_DIR/) \
+            $WM_PROJECT_DIR/
+
+        set +e
+        . $WM_PROJECT_DIR/etc/bashrc
+        set -e
+    '';
+
+    buildPhase = ''
+        sh $WM_PROJECT_DIR/Allwmake -j$CORES
+        wclean all
+        wmakeLnIncludeAll
+    '';
+
+    installPhase = ''
+        mkdir -p $out/${realname}-${major}
+
+        substituteInPlace $WM_PROJECT_DIR/etc/bashrc \
+            --replace '# __inst_dir_placeholder__' "export FOAM_INST_DIR=$out"
+
+        cp -Ra $WM_PROJECT_DIR/* $out/${realname}-${major}
+    '';
+
+    meta = with pkgs.lib; {
+        homepage = "https://www.openfoam.org/";
+        description = "OpenFOAM is a free, open source CFD software released and developed by OpenFOAM Foundation";
+        license = licenses.gpl3;
+        platforms = platforms.linux;
+        maintainers = [];
+        broken = pkgs.stdenv.isDarwin;
+    };
+}