Unverified Commit 9c1d6275 authored by Lily Foster's avatar Lily Foster Committed by GitHub
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Merge pull request #208414 from RossComputerGuy/feat/java-binfmt 

nixos/java: add binfmt option
parents a0ddd1a5 9fdd9729

nixos/modules/programs/java.nix

+23 −1
Original line number Diff line number Diff line
@@ -8,7 +8,6 @@ with lib; 
let

  cfg = config.programs.java;

in



{



  options = {
@@ -40,12 +39,35 @@ in 
        type = types.package;

      };



      binfmt = mkEnableOption (lib.mdDoc "binfmt to execute java jar's and classes");



    };



  };



  config = mkIf cfg.enable {



    boot.binfmt.registrations = mkIf cfg.binfmt {

      java-class = {

        recognitionType = "extension";

        magicOrExtension = "class";

        interpreter = pkgs.writeShellScript "java-class-wrapper" ''

          test -e ${cfg.package}/nix-support/setup-hook && source ${cfg.package}/nix-support/setup-hook

          classpath=$(dirname "$1")

          class=$(basename "''${1%%.class}")

          $JAVA_HOME/bin/java -classpath "$classpath" "$class" "''${@:2}"

        '';

      };

      java-jar = {

        recognitionType = "extension";

        magicOrExtension = "jar";

        interpreter = pkgs.writeShellScript "java-jar-wrapper" ''

          test -e ${cfg.package}/nix-support/setup-hook && source ${cfg.package}/nix-support/setup-hook

          $JAVA_HOME/bin/java -jar "$@"

        '';

      };

    };



    environment.systemPackages = [ cfg.package ];



    environment.shellInit = ''