bluej: set meta.mainProgram and reduce size of built derivation

The bundled jdk and javafx are not used (they don't even work on NixOS), but
they are quite big, so remove them from the final built output.

1 files changed, 5 insertions, 0 deletions

diff --git a/pkgs/applications/editors/bluej/default.nix b/pkgs/applications/editors/bluej/default.nix
index 7980cf386e2b2..ddcb002db5d14 100644
--- a/pkgs/applications/editors/bluej/default.nix
+++ b/pkgs/applications/editors/bluej/default.nix
@@ -35,6 +35,10 @@ stdenv.mkDerivation rec {
     mkdir -p $out
     cp -r usr/* $out
 
+    rm -r $out/share/bluej/jdk
+    rm -r $out/share/bluej/javafx
+    rm -r $out/share/bluej/javafx-*.jar
+
     makeWrapper ${openjdk}/bin/java $out/bin/bluej \
       "''${gappsWrapperArgs[@]}" \
       --add-flags "-Dawt.useSystemAAFontSettings=on -Xmx512M \
@@ -49,6 +53,7 @@ stdenv.mkDerivation rec {
     homepage = "https://www.bluej.org/";
     sourceProvenance = with sourceTypes; [ binaryBytecode ];
     license = licenses.gpl2ClasspathPlus;
+    mainProgram = pname;
     maintainers = with maintainers; [ chvp ];
     platforms = platforms.linux;
   };