Updates gradle, kotlin and publishing.

.github/workflows/ci.yml

@@ -17,27 +17,20 @@ jobs:
     runs-on: 'macos-latest'
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Gradle Wrapper Validation
-        uses: gradle/wrapper-validation-action@v1
-
-      - name: Generate cache key
-        run: .github/scripts/checksum.sh checksum.txt
-
-      - uses: actions/cache@v2
-        with:
-          path: ~/.gradle/caches
-          key: ${{ runner.os }}-gradle-${{ hashFiles('checksum.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-gradle
+        uses: gradle/actions/wrapper-validation@v4
 
       - name: Install JDK 11
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11
 
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
       - name: Test Common JVM
         run: ./gradlew jvmTest koverMergedReport --stacktrace
 
@@ -47,7 +40,7 @@ jobs:
 
       - name: (Fail-only) Upload the build report
         if: failure()
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: error-report
           path: build-reports.zip
@@ -58,12 +51,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - snapshot-target: publishIosArm64PublicationToMavenCentralRepository
-            os: macos-latest
-          - snapshot-target: publishJvmPublicationToMavenCentralRepository
-            os: ubuntu-latest
-          - snapshot-target: publishLinuxX64PublicationToMavenCentralRepository
-            os: ubuntu-latest
           - release-target: publishIosArm64PublicationToMavenCentral
             os: macos-latest
           - release-target: publishJvmPublicationToMavenCentral
@@ -73,37 +60,25 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
-      - name: Validate Gradle Wrapper
-        uses: gradle/wrapper-validation-action@v1
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.konan
-          key: ${{ runner.os }}-${{ hashFiles('**/.lock') }}
+        uses: actions/checkout@v4
+
+      - name: Gradle Wrapper Validation
+        uses: gradle/actions/wrapper-validation@v4
 
       - name: Install JDK 11
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11
 
-      - name: Upload Snapshot
-        run: ./gradlew ${{ matrix.snapshot-target }}
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Publish release
+        run: ./gradlew ${{ matrix.release-target }}
+        if: success()
         env:
           ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.SONATYPE_USERNAME }}
           ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.SONATYPE_PASSWORD }}
           ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.SIGNING_KEY }}
           ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.SIGNING_PASSWORD }}
-
-      - name: Retrieve Version
-        run: echo "VERSION_NAME=$(./gradlew -q  printVersionName)" >> $GITHUB_ENV
-
-      - name: Publish release (main only)
-        run: |
-          ./gradlew ${{ matrix.release-target }}
-          ./gradlew closeAndReleaseRepository
-        if: success() && !endsWith(env.VERSION_NAME, '-SNAPSHOT')
-        env:
-          ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.SONATYPE_USERNAME }}
-          ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.SONATYPE_PASSWORD }}

build.gradle.kts

@@ -3,6 +3,8 @@ import com.vanniktech.maven.publish.SonatypeHost
 import kotlinx.kover.api.CoverageEngine.JACOCO
 import kotlinx.kover.tasks.KoverMergedHtmlReportTask
 import kotlinx.kover.tasks.KoverMergedXmlReportTask
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile
 
 plugins {
   alias(libs.plugins.kotlin.multiplatform).apply(false)
@@ -33,7 +35,7 @@ allprojects {
 
   plugins.withId("com.vanniktech.maven.publish.base") {
     configure<MavenPublishBaseExtension> {
-      publishToMavenCentral(SonatypeHost.S01)
+      publishToMavenCentral(SonatypeHost.S01, automaticRelease = true)
       signAllPublications()
       pom {
         description.set("A simple, lightweight, multiplatform image diffing library.")
@@ -68,6 +70,10 @@ subprojects {
     targetCompatibility = JavaVersion.VERSION_1_8.toString()
   }
 
+  tasks.withType<KotlinJvmCompile>().configureEach {
+    compilerOptions.jvmTarget = JvmTarget.JVM_1_8
+  }
+
   repositories {
     mavenCentral()
   }

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-kotlin = "1.6.10"
+kotlin = "1.9.20"
 kover = "0.5.0"
 
 [libraries]
@@ -11,5 +11,5 @@ okio = { module = "com.squareup.okio:okio", version = "3.0.0" }
 [plugins]
 kotlin-multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
 kover = { id = "org.jetbrains.kotlinx.kover", version.ref = "kover" }
-mavenPublish = { id = "com.vanniktech.maven.publish.base", version = "0.18.0" }
+mavenPublish = { id = "com.vanniktech.maven.publish.base", version = "0.29.0" }
 dokka = { id = "org.jetbrains.dokka", version.ref = "kotlin" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists