update to OpenJDK 21, Gradle 8.5

build.gradle

@@ -1,12 +1,7 @@
 plugins {
-    id "checkstyle"
-    id "pmd"
     id 'maven-publish'
     id 'signing'
-    id "io.github.gradle-nexus.publish-plugin" version "1.3.0"
-    id "org.cyclonedx.bom" version "1.7.2"
-    id "com.github.spotbugs" version "5.0.13"
-    id "org.xbib.gradle.plugin.asciidoctor" version "3.0.0"
+    id "io.github.gradle-nexus.publish-plugin" version "2.0.0-rc-1"
 }
 
 wrapper {
@@ -15,7 +10,7 @@ wrapper {
 }
 
 ext {
-    user = 'xbib'
+    user = 'joerg'
     name = 'rpm'
     description = 'RPM implementation in Java with plugins for Ant, Maven, Gradle'
     inceptionYear = '2016'
@@ -30,7 +25,6 @@ ext {
 }
 
 subprojects {
-    apply from: rootProject.file('gradle/ide/idea.gradle')
     apply from: rootProject.file('gradle/repositories/maven.gradle')
     apply from: rootProject.file('gradle/compile/java.gradle')
     apply from: rootProject.file('gradle/test/junit5.gradle')

gradle.properties

@@ -1,5 +1,3 @@
 group = org.xbib
 name = rpm
-version = 3.0.2
-
-org.gradle.warning.mode = ALL
+version = 4.0.0

gradle/compile/java.gradle

@@ -2,21 +2,14 @@
 apply plugin: 'java-library'
 
 java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
     modularity.inferModulePath.set(true)
     withSourcesJar()
     withJavadocJar()
 }
 
-compileJava {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
-}
-
-compileTestJava {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
-}
-
 jar {
     manifest {
         attributes('Implementation-Version': project.version)
@@ -24,9 +17,13 @@ jar {
 }
 
 tasks.withType(JavaCompile) {
+    options.fork = true
+    options.forkOptions.jvmArgs += ['-Duser.language=en','-Duser.country=US']
     options.compilerArgs << '-Xlint:all,-fallthrough'
+    options.encoding = 'UTF-8'
 }
 
 javadoc {
     options.addStringOption('Xdoclint:none', '-quiet')
+    options.encoding = 'UTF-8'
 }

gradle/test/junit5.gradle

@@ -1,12 +1,10 @@
 
-def junitVersion = project.hasProperty('junit.version')?project.property('junit.version'):'5.6.2'
-def hamcrestVersion = project.hasProperty('hamcrest.version')?project.property('hamcrest.version'):'2.2'
-
 dependencies {
-    testImplementation "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
-    testImplementation "org.junit.jupiter:junit-jupiter-params:${junitVersion}"
-    testImplementation "org.hamcrest:hamcrest-library:${hamcrestVersion}"
-    testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
+    testImplementation testLibs.junit.jupiter.api
+    testImplementation testLibs.junit.jupiter.params
+    testImplementation testLibs.hamcrest
+    testRuntimeOnly testLibs.junit.jupiter.engine
+    testRuntimeOnly testLibs.junit.jupiter.platform.launcher
 }
 
 test {

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-all.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -83,7 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -130,10 +131,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -141,7 +145,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -149,7 +153,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -198,11 +202,11 @@ fi
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \

settings.gradle

@@ -1,18 +1,21 @@
 dependencyResolutionManagement {
     versionCatalogs {
         libs {
-            version('gradle', '8.1.1')
-            version('junit', '5.9.3')
+            version('gradle', '8.5')
+            library('bzip2', 'org.xbib', 'io-compress-bzip2').version('4.0.0')
+            library('xz', 'org.xbib', 'io-compress-xz').version('4.0.0')
+            library('bouncycastle', 'org.bouncycastle', 'bcpg-jdk18on').version('1.77')
+            library('ant', 'org.apache.ant', 'ant').version('1.10.14')
+        }
+        testLibs {
+            version('junit', '5.10.1')
             library('junit-jupiter-api', 'org.junit.jupiter', 'junit-jupiter-api').versionRef('junit')
             library('junit-jupiter-params', 'org.junit.jupiter', 'junit-jupiter-params').versionRef('junit')
             library('junit-jupiter-engine', 'org.junit.jupiter', 'junit-jupiter-engine').versionRef('junit')
-            library('junit4', 'junit:junit:4.13.2')
-            library('hamcrest', 'org.hamcrest:hamcrest-library:2.2')
-            plugin('publish', 'com.gradle.plugin-publish').version('0.18.0')
-            library('bzip2', 'org.xbib', 'io-compress-bzip2').version('1.1.0')
-            library('xz', 'org.xbib', 'io-compress-xz').version('1.1.0')
-            library('bouncycastle', 'org.bouncycastle', 'bcpg-jdk18on').version('1.71')
-            library('ant', 'org.apache.ant', 'ant').version('1.10.10')
+            library('junit-vintage-engine', 'org.junit.vintage', 'junit-vintage-engine').versionRef('junit')
+            library('junit-jupiter-platform-launcher', 'org.junit.platform', 'junit-platform-launcher').version('1.10.1')
+            library('hamcrest', 'org.hamcrest', 'hamcrest-library').version('2.2')
+            library('junit4', 'junit', 'junit').version('4.13.2')
         }
     }
 }