core/pkgs/build-support/release/maven-build.nix

{
  stdenv,
  lib,
  name,
  src,
  doTest ? true,
  doTestCompile ? true,
  doJavadoc ? false,
  doCheckstyle ? false,
  doRelease ? false,
  includeTestClasses ? true,
  extraMvnFlags ? "",
  ...
}@args:

let
  mvnFlags = lib.escapeShellArgs [
    "-Dmaven.repo.local=$M2_REPO"
    (lib.optionalString (!doTest) "-Dmaven.test.skip.exec=true")
    "${extraMvnFlags}"
  ];
in

stdenv.mkDerivation (
  {
    inherit name src;
    phases = "setupPhase unpackPhase patchPhase mvnCompile ${lib.optionalString doTestCompile "mvnTestCompile mvnTestJar"} ${lib.optionalString doTest "mvnTest"} ${lib.optionalString doJavadoc "mvnJavadoc"} ${lib.optionalString doCheckstyle "mvnCheckstyle"} mvnJar mvnAssembly mvnRelease finalPhase";

    setupPhase = ''
      runHook preSetupPhase

      mkdir -p $out/nix-support
      export LANG="en_US.UTF-8"
      export LOCALE_ARCHIVE=$glibcLocales/lib/locale/locale-archive
      export M2_REPO=$TMPDIR/repository

      runHook postSetupPhase
    '';

    mvnCompile = ''
      mvn compile ${mvnFlags}
    '';

    mvnTestCompile = ''
      mvn test-compile ${mvnFlags}
    '';

    mvnTestJar = ''
      mvn jar:test-jar ${mvnFlags}
    '';

    mvnTest = ''
      mvn test ${mvnFlags}

      if [ -d target/site/cobertura ] ; then
        echo "report coverage $out/site/cobertura" >> $out/nix-support/hydra-build-products
      fi

      if [ -d target/surefire-reports ] ; then
        mvn surefire-report:report-only
        echo "report coverage $out/site/surefire-report.html" >> $out/nix-support/hydra-build-products
      fi
    '';

    mvnJavadoc = ''
      mvn javadoc:javadoc ${mvnFlags}
      echo "report javadoc $out/site/apidocs" >> $out/nix-support/hydra-build-products
    '';

    mvnCheckstyle = ''
      mvn checkstyle:checkstyle ${mvnFlags}
      echo "report checkstyle $out/site/checkstyle.html" >> $out/nix-support/hydra-build-products
    '';

    mvnJar = ''
      mvn jar:jar ${mvnFlags}
    '';

    mvnAssembly = ''
      mvn assembly:assembly -Dmaven.test.skip=true ${mvnFlags}
    '';

    mvnRelease = ''
      mkdir -p $out/release

      zip=$(ls target/*.zip| head -1)
      releaseName=$(basename $zip .zip)
      releaseName="$releaseName-r${toString src.rev or "0"}"
      cp $zip $out/release/$releaseName.zip

      echo "$releaseName" > $out/nix-support/hydra-release-name

      ${lib.optionalString doRelease ''
        echo "file zip $out/release/$releaseName.zip" >> $out/nix-support/hydra-build-products
      ''}
    '';

    finalPhase = ''
      if [ -d target/site ] ; then
        cp -R target/site $out/
        echo "report site $out/site" >> $out/nix-support/hydra-build-products
      fi
    '';
  }
  // args
)