Upgrade to Gradle 8.1

buildSrc/src/main/kotlin/Compiler.kt

@@ -1,6 +1,7 @@
 import kotlinx.atomicfu.plugin.gradle.AtomicFUPluginExtension
 import org.gradle.api.Project
 import org.gradle.api.artifacts.VersionCatalogsExtension
+import org.gradle.kotlin.dsl.assign
 import org.gradle.kotlin.dsl.configure
 import org.gradle.kotlin.dsl.getByType
 import org.jetbrains.kotlin.gradle.dsl.KotlinCommonCompilerOptions
@@ -26,7 +27,7 @@ object Jvm {
 
 fun KotlinCommonCompilerOptions.applyKordCompilerOptions() {
     // TODO: set to true again once https://github.com/Kotlin/kotlinx-atomicfu/issues/289 is fixed
-    allWarningsAsErrors.set(false)
+    allWarningsAsErrors = false
     freeCompilerArgs.add("-progressive")
 }
 

buildSrc/src/main/kotlin/Documentation.kt

@@ -1,19 +1,20 @@
+import org.gradle.kotlin.dsl.assign
 import org.jetbrains.dokka.gradle.AbstractDokkaLeafTask
 import java.net.URL
 
 fun AbstractDokkaLeafTask.applyKordDokkaOptions() {
-    failOnWarning.set(true)
+    failOnWarning = true
 
     dokkaSourceSets.configureEach {
 
-        jdkVersion.set(Jvm.target)
+        jdkVersion = Jvm.target
 
-        suppressGeneratedFiles.set(false)
+        suppressGeneratedFiles = false
 
         sourceLink {
-            localDirectory.set(project.projectDir)
-            remoteUrl.set(URL("https://github.com/kordlib/kord/blob/${Library.commitHashOrDefault("0.9.x")}/${project.name}"))
-            remoteLineSuffix.set("#L")
+            localDirectory = project.projectDir
+            remoteUrl = URL("https://github.com/kordlib/kord/blob/${Library.commitHashOrDefault("0.9.x")}/${project.name}")
+            remoteLineSuffix = "#L"
         }
 
         externalDocumentationLink("https://kotlinlang.org/api/kotlinx.coroutines/")
@@ -26,8 +27,8 @@ fun AbstractDokkaLeafTask.applyKordDokkaOptions() {
 
         // don't list `TweetNaclFast` in docs
         perPackageOption {
-            matchingRegex.set("""com\.iwebpp\.crypto""")
-            suppress.set(true)
+            matchingRegex = """com\.iwebpp\.crypto"""
+            suppress = true
         }
     }
 }

buildSrc/src/main/kotlin/kord-publishing.gradle.kts

@@ -6,7 +6,7 @@ plugins {
 }
 
 val dokkaJar by tasks.registering(Jar::class) {
-    archiveClassifier.set("javadoc")
+    archiveClassifier = "javadoc"
     from(tasks.named("dokkaHtml"))
 }
 
@@ -19,37 +19,37 @@ publishing {
             version = Library.version
 
             pom {
-                name.set(Library.name)
-                description.set(Library.description)
-                url.set(Library.projectUrl)
+                name = Library.name
+                description = Library.description
+                url = Library.projectUrl
 
                 organization {
-                    name.set("Kord")
-                    url.set("https://github.com/kordlib")
+                    name = "Kord"
+                    url = "https://github.com/kordlib"
                 }
 
                 developers {
                     developer {
-                        name.set("The Kord Team")
+                        name = "The Kord Team"
                     }
                 }
 
                 issueManagement {
-                    system.set("GitHub")
-                    url.set("https://github.com/kordlib/kord/issues")
+                    system = "GitHub"
+                    url = "https://github.com/kordlib/kord/issues"
                 }
 
                 licenses {
                     license {
-                        name.set("MIT")
-                        url.set("http://opensource.org/licenses/MIT")
+                        name = "MIT"
+                        url = "http://opensource.org/licenses/MIT"
                     }
                 }
 
                 scm {
-                    connection.set("scm:git:ssh://github.com/kordlib/kord.git")
-                    developerConnection.set("scm:git:ssh://git@github.com:kordlib/kord.git")
-                    url.set(Library.projectUrl)
+                    connection = "scm:git:ssh://github.com/kordlib/kord.git"
+                    developerConnection = "scm:git:ssh://git@github.com:kordlib/kord.git"
+                    url = Library.projectUrl
                 }
             }
         }

common/build.gradle.kts

@@ -1,4 +1,3 @@
-@Suppress("DSL_SCOPE_VIOLATION") // false positive for `libs` in IntelliJ
 plugins {
     `kord-multiplatform-module`
     `kord-publishing`

gradle.properties

@@ -1,6 +1,7 @@
 #dokka will run out of memory with the default meta space
 org.gradle.jvmargs=-XX:MaxMetaspaceSize=1024m
 org.gradle.parallel=true
+systemProp.org.gradle.unsafe.kotlin.assignment=true
 kotlin.code.style=official
 
 # https://github.com/Kotlin/kotlinx-atomicfu#atomicfu-compiler-plugin

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=ff7bf6a86f09b9b2c40bb8f48b25fc19cf2b2664fd1d220cd7ab833ec758d0d7
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionSha256Sum=a62c5f99585dd9e1f95dab7b9415a0e698fa9dd1e6c38537faa81ac078f4d23e
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -85,9 +85,6 @@ done
 APP_BASE_NAME=${0##*/}
 APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
-# 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"'
-
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
 
@@ -197,6 +194,10 @@ if "$cygwin" || "$msys" ; then
     done
 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