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|
{ jdk
, jre
, pkgs
}:
/* 'Hello world' Java application derivation for use in tests */
let
source = pkgs.writeTextDir "src/Hello.java" ''
import java.util.logging.Logger;
import java.util.logging.Level;
class Hello {
static Logger logger = Logger.getLogger(Hello.class.getName());
public static void main(String[] args) {
logger.log(Level.INFO, "Hello, world!");
}
}
'';
in
pkgs.stdenv.mkDerivation {
pname = "hello";
version = "1.0.0";
src = source;
buildPhase = ''
runHook preBuildPhase
${jdk}/bin/javac src/Hello.java
runHook postBuildPhase
'';
installPhase = ''
runHook preInstallPhase
mkdir -p $out/lib
cp src/Hello.class $out/lib
mkdir -p $out/bin
cat >$out/bin/hello <<EOF;
#!/usr/bin/env sh
${jre}/bin/java -cp $out/lib Hello
EOF
chmod a+x $out/bin/hello
runHook postInstallPhase
'';
}
|