feat: add publishing support

.github/workflows/publish.yml

@@ -0,0 +1,43 @@
+name: publish
+
+on:
+  workflow_dispatch:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: "temurin"
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+        with:
+          gradle-home-cache-cleanup: true
+
+      - name: Verify build
+        run: ./gradlew check
+
+      - name: Extract version from tag
+        id: extract_version
+        run: |
+          echo "VERSION=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
+
+      - name: Publish to Maven Central
+        env:
+          ORG_GRADLE_PROJECT_version: ${{ steps.extract_version.outputs.VERSION }}
+          ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.SONATYPE_NEXUS_USERNAME }}
+          ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.SONATYPE_NEXUS_PASSWORD }}
+          ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.ARTIFACT_SIGNING_PRIVATE_KEY }}
+          ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.ARTIFACT_SIGNING_PRIVATE_KEY_PASSWORD }}
+        run: |
+          ./gradlew publishAndReleaseToMavenCentral --no-parallel --no-configuration-cache

build.gradle.kts

@@ -1,3 +1,4 @@
 plugins {
     alias(libs.plugins.kotlin.jvm) apply false
+    alias(libs.plugins.vanniktech.maven.publish) apply false
 }

gradle/libs.versions.toml

@@ -1,10 +1,12 @@
 [versions]
-kotlin = "2.1.0"
-ksp = "2.2.21-2.0.5"
-ksp-plugin = "2.1.0-1.0.29"
+kotlin = "2.2.0"
+ksp = "2.3.6"
+ksp-plugin = "2.3.6"
 assertj = "3.27.3"
+dokka = "2.1.0"
 junit-jupiter = "5.11.4"
 kotlinpoet = "2.2.0"
+vanniktech-maven-publish = "0.36.0"
 
 [libraries]
 kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
@@ -17,5 +19,7 @@ junit-jupiter = { module = "org.junit.jupiter:junit-jupiter", version.ref = "jun
 kotlinpoet = { module = "com.squareup:kotlinpoet", version.ref = "kotlinpoet" }
 
 [plugins]
+dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp-plugin" }
+vanniktech-maven-publish = { id = "com.vanniktech.maven.publish", version.ref = "vanniktech-maven-publish" }

ksp-test-fixtures/build.gradle.kts

@@ -1,8 +1,14 @@
+import com.vanniktech.maven.publish.JavadocJar
+import com.vanniktech.maven.publish.KotlinJvm
+import com.vanniktech.maven.publish.MavenPublishBaseExtension
+import com.vanniktech.maven.publish.SourcesJar
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
     kotlin("jvm")
+    alias(libs.plugins.dokka)
     alias(libs.plugins.ksp)
+    alias(libs.plugins.vanniktech.maven.publish)
 }
 
 group = "com.faire.ksp-reflection-testing"
@@ -50,3 +56,56 @@ dependencies {
     testImplementation(libs.assertj)
     testImplementation(libs.junit.jupiter)
 }
+
+extensions.configure<MavenPublishBaseExtension> {
+    configure(
+        KotlinJvm(
+            javadocJar = JavadocJar.Dokka("dokkaGeneratePublicationHtml"),
+            sourcesJar = SourcesJar.Sources()
+        )
+    )
+
+    publishToMavenCentral(automaticRelease = true)
+    signAllPublications()
+
+    pom {
+        name.set("${project.group}:${project.name}")
+        description.set(
+            """
+            Reflection-based test harness for KSP
+            """.trimIndent()
+        )
+        url.set("https://github.com/faire/ksp-reflection-testing")
+
+        licenses {
+            license {
+                name.set("MIT License")
+                url.set("https://github.com/faire/ksp-reflection-testing/blob/main/LICENSE")
+            }
+        }
+
+        developers {
+            developer {
+                id.set("james")
+                name.set("James Oliver")
+                email.set("james.oliver@faire.com")
+            }
+            developer {
+                id.set("luan")
+                name.set("Luan Nico")
+                email.set("luan@faire.com")
+            }
+            developer {
+                id.set("quinn")
+                name.set("Quinn Budan")
+                email.set("quinn.budan@faire.com")
+            }
+        }
+
+        scm {
+            connection.set("scm:git:https://github.com/faire/ksp-reflection-testing.git")
+            developerConnection.set("scm:git:git@github.com:faire/ksp-reflection-testing.git")
+            url.set("https://github.com/faire/ksp-reflection-testing")
+        }
+    }
+}