build-selftest

#!/usr/bin/env zsh
#
# Script to generate GraalVM native-image metadata and a native binary for junixsocket-selftest.
#
# junixsocket
# Copyright 2009-2022 Christian Kohlschütter
# SPDX-License-Identifier: Apache-2.0
#
cd "$(dirname $0)/../"
nativeGraalVmDir="$(pwd)"

[[ -n "$GRAALVM_HOME" ]] && export PATH="$GRAALVM_HOME"/bin:$PATH

java -version 2>&1 | grep -q GraalVM
if [[ $? -ne 0 ]]; then
	echo Error: JVM is not a GraalVM. >&2
        echo Make sure that GraalVM is in PATH -- run with bin/graalvm bin/build-selftest
	exit 1
fi

outputDir="output"
mkdir -p "$outputDir" "${outputDir}/bin" "${outputDir}/tmp"
cd "$outputDir"
outputDir="$(pwd)"

tmpDir=$(pwd)/tmp/junixsocket-selftest
rm -rf "$tmpDir"
mkdir -p "$tmpDir"

echo Checking presence of required commands

which which >/dev/null
if [[ $? -ne 0 ]]; then
    echo "Error: \"which\" command not found" >&2
    exit 1
fi

hasGraalVM=$(java -version 2>&1 | grep GraalVM)
[[ -n "$hasGraalVM" ]] && echo Java: $hasGraalVM
if [[ -z "$hasGraalVM" ]]; then
    echo "Error: java/GraalVM not in PATH" >&2
    exit 1
fi

hasNativeImage=$(which native-image)
if [[ $? -ne 0 || -z "$hasNativeImage" ]]; then
    ( set -x ; gu install native-image )
fi
hasNativeImage=$(which native-image)
if [[ $? -ne 0 || -z "$hasNativeImage" ]]; then
    echo "Error: Could not find \"native-image\" command in PATH" >&2
    exit 1
fi
echo native-image: $hasNativeImage

hasNativeImageConfigure=$(which native-image-configure)
if [[ $? -ne 0 || -z "$hasNativeImageConfigure" ]]; then
    ( set -x ; native-image --macro:native-image-configure-launcher )
fi
hasNativeImageConfigure=$(which native-image-configure)
if [[ $? -ne 0 || -z "$hasNativeImageConfigure" ]]; then
    echo "Error: Could not find \"native-image-configure\" command in PATH" >&2
    exit 1
fi
echo native-image-configure: $hasNativeImageConfigure

echo
echo Finding junixsocket-selftest jar
jar=$(find ../../junixsocket-selftest/target -maxdepth 1 -name "junixsocket-selftest-*-jar-with-dependencies.jar")
if [[ -z "$jar" ]]; then
    echo "Error: Could not find junixsocket-selftest jar" >&2
    echo "Please run \"mvn clean install\" (or similar) from the junixsocket project directory" >&2
    exit 1
fi
jar=$(cd $(dirname "$jar"); pwd)/$(basename "$jar")
echo jar: $jar

echo
echo Checking availability of additional dependencies required for coverage

mysqlDepVersion=$(grep -A2 mysql-connector "${nativeGraalVmDir}/../pom.xml" | grep '<version>' | grep '</version>' | tr -d ' ' | sed -E 's|</?version>||g')
if [[ -n "$mysqlDepVersion" ]]; then
  echo "Detected version for mysql-connector-j dependency: $mysqlDepVersion"
else
  mysqlDepVersion=8.3.0
  echo "[WARNING] could not detect version for mysql-connector-j dependency, using ${mysqlDepVersion}"
fi

mysqlDep="$HOME/.m2/repository/com/mysql/mysql-connector-j/8.3.0/mysql-connector-j-8.3.0.jar"
if [[ -f "$mysqlDep" ]]; then
  echo "Using mysql-connector-j dependency from: $mysqlDep"
else
  echo "[WARNING] mysql-connector-j dependency is missing: $mysqlDep" >&2
fi

selftestArgs=(
  -Dselftest.enable-module.junixsocket-common.JavaInet=true
  -Dselftest.enable-module.junixsocket-common.JEP380=true
  -cp "$jar":"$mysqlDep"
)

echo
echo Running junixsocket-selftest with GraalVM native-image-agent...
(
  set -x
  java -agentlib:native-image-agent=config-output-dir=${tmpDir}/native-image.{pid} \
	  ${selftestArgs[@]} org.newsclub.net.unix.selftest.Selftest
)

if [[ $? -ne 0 ]]; then
    echo "Error: junixsocket-selftest failed" >&2
    exit 1
fi

echo
echo Combining native-image configs...
combinedDir="${outputDir}/META-INF/native-image/com.kohlschutter.junixsocket/junixsocket-native-graalvm"
mkdir -p "$combinedDir"
( set -x ; native-image-configure generate $(find "$tmpDir" -maxdepth 1 -type d -name "native-image.*" -exec echo "--input-dir={}" \;) --output-dir="$combinedDir" )

cd bin

echo
echo Running native-image...
(
  set -x
  native-image -cp "$tmpDir" --initialize-at-build-time=sun.rmi.transport.GC --report-unsupported-elements-at-runtime --no-fallback \
	  ${selftestArgs[@]} org.newsclub.net.unix.selftest.Selftest
)
if [[ $? -ne 0 ]]; then
    echo "Error: Failed to run native-image" >&2
    exit 1
fi

#nativeBinary="$(pwd)/${$(basename "$jar")%%.jar}"
nativeBinary="$(pwd)/org.newsclub.net.unix.selftest.selftest"
if [[ ! -e "$nativeBinary" ]]; then
    echo "Error: Native binary expected but not found at: $nativeBinary" >&2
    exit 1
fi
echo
echo Native binary created successfully: $nativeBinary

changes=$(git status -s "$combinedDir")
if [[ -n "$changes" ]]; then
    echo "Metadata changes detected:"
    git status -s "$combinedDir"
fi