bonfire/packages/openfoam/default.nix

{ 
    stdenv, lib, pkgs,
    version ? "11.20240116",
    sha256 ? "sha256-bNWlza3cL/lUrwrVEmPECvKbFkwR2rTMaccsn8amGFQ=", ...
}:
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;
    };
}