66 lines
1.8 KiB
Nix
66 lines
1.8 KiB
Nix
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{
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maven,
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lib,
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fetchFromGitHub,
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jre_minimal,
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makeWrapper,
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nix-update-script,
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}:
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maven.buildMavenPackage rec {
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pname = "jol";
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version = "0.17";
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src = fetchFromGitHub {
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owner = "OpenJDK";
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repo = "jol";
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tag = version;
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hash = "sha256-ZJFuY2QYB8eUS3y3VRMGGwklCS93HHVkNe/dhyIx0SY=";
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};
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mvnHash = "sha256-yQfiHlAZZgINGAYVlK5JflWX3d8Axtv1Ke89S7x86G4=";
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nativeBuildInputs = [ makeWrapper ];
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postPatch = ''
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substituteInPlace jol-cli/src/main/java/org/openjdk/jol/Main.java \
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--replace-fail 'Usage: jol-cli.jar' 'Usage: jol-cli'
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'';
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installPhase = ''
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runHook preInstall
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install -Dm644 jol-cli/target/jol-cli.jar $out/share/jol-cli/jol-cli.jar
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makeWrapper ${lib.getExe' jre_minimal "java"} $out/bin/jol-cli \
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--add-flags "-jar $out/share/jol-cli/jol-cli.jar"
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runHook postInstall
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'';
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passthru.updateScript = nix-update-script { };
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meta = {
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description = "Java Object Layout (JOL)";
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longDescription = ''
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JOL (Java Object Layout) is the tiny toolbox to analyze object layout in JVMs.
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These tools are using Unsafe, JVMTI, and Serviceability Agent (SA) heavily to decode the actual object layout, footprint, and references.
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This makes JOL much more accurate than other tools relying on heap dumps, specification assumptions, etc.
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'';
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homepage = "https://openjdk.org/projects/code-tools/jol/";
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changelog = "https://github.com/openjdk/jol/releases/tag/${version}";
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license = with lib.licenses; [
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gpl2Plus
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classpathException20
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];
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sourceProvenance = with lib.sourceTypes; [
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fromSource
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binaryBytecode
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];
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mainProgram = "jol-cli";
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maintainers = with lib.maintainers; [
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debling
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progrm_jarvis
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];
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inherit (jre_minimal.meta) platforms;
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};
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}
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