starsector: update JVM flags
During this update, due to a new version of Java, the software broke. On startup it crashed with the error: "Conflicting collector combinations in option list". This was due to mixing the default `-XX:+UseG1GC` and the `-XX:+UseConcMarkSweepGC -XX:+UseParNewGC` flags. I removed the latter flags, leaving the default garbage collector Furthermore, on succesful launch, the game wound warn about the `-XX:PermSize=192m -XX:MaxPermSize=192m` flags, that were removed in Java 8. Thus, those flags were also removed. The `substituteInPlace` deprecated `--replace` argument was also replaced by the new alternatives.
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@ -63,12 +63,14 @@ stdenv.mkDerivation rec {
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# it tries to run everything with relative paths, which makes it CWD dependent
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# also point mod, screenshot, and save directory to $XDG_DATA_HOME
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# additionally, add some GC options to improve performance of the game
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# and remove flags "PermSize" and "MaxPermSize" that were removed with Java 8
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postPatch = ''
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substituteInPlace starsector.sh \
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--replace "./jre_linux/bin/java" "${openjdk}/bin/java" \
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--replace "./native/linux" "$out/share/starsector/native/linux" \
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--replace "=." "=\''${XDG_DATA_HOME:-\$HOME/.local/share}/starsector" \
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--replace "-XX:+CompilerThreadHintNoPreempt" "-XX:+UnlockDiagnosticVMOptions -XX:-BytecodeVerificationRemote -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSConcurrentMTEnabled -XX:+DisableExplicitGC"
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--replace-fail "./jre_linux/bin/java" "${openjdk}/bin/java" \
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--replace-fail "./native/linux" "$out/share/starsector/native/linux" \
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--replace-fail "=." "=\''${XDG_DATA_HOME:-\$HOME/.local/share}/starsector" \
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--replace-warn "-XX:+CompilerThreadHintNoPreempt" "-XX:+UnlockDiagnosticVMOptions -XX:-BytecodeVerificationRemote -XX:+CMSConcurrentMTEnabled -XX:+DisableExplicitGC" \
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--replace-quiet " -XX:PermSize=192m -XX:MaxPermSize=192m" ""
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'';
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meta = with lib; {
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