build: move to vanniktech plugin for publishing to Central

Author: lppedd

.github/workflows/release.yml

@@ -5,10 +5,13 @@ on:
     tags:
       - 'v*'
 env:
-  GPG_SEC: ${{ secrets.PGP_SEC }}
-  GPG_PASSWORD: ${{ secrets.PGP_PASSWORD }}
-  OSSRH_USERNAME: ${{ secrets.SONATYPE_USER }}
-  OSSRH_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+  # TODO: required to use the in-memory PGP key.
+  # See https://github.com/vanniktech/gradle-maven-publish-plugin/issues/253#issuecomment-841637159
+  # ORG_GRADLE_PROJECT_signingInMemoryKeyId: ${{ secrets.PGP_KEY_ID }}
+  ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.PGP_SEC }}
+  ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.PGP_PASSWORD }}
+  ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.SONATYPE_USER }}
+  ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.SONATYPE_PASSWORD }}
 
 jobs:
   release:
@@ -35,4 +38,4 @@ jobs:
         with:
           gradle-version: wrapper
           cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
-      - run: ./gradlew publishToSonatype closeSonatypeStagingRepository
+      - run: ./gradlew publishToMavenCentral

build.gradle.kts

@@ -1,5 +1,3 @@
-import io.github.petertrr.configurePublishing
-import io.github.petertrr.ext.booleanProperty
 import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
@@ -8,6 +6,7 @@ import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTest
 plugins {
     kotlin("multiplatform")
     alias(libs.plugins.detekt)
+    alias(libs.plugins.vanniktech)
     id("jacoco-convention")
 }
 
@@ -116,7 +115,57 @@ kotlin {
     }
 }
 
-configurePublishing()
+mavenPublishing {
+    coordinates(
+        groupId = project.group.toString(),
+        artifactId = project.name,
+        version = project.version.toString(),
+    )
+
+    // Publishing to Maven Central requires the following Gradle properties:
+    //   mavenCentralUsername=central_username
+    //   mavenCentralPassword=central_password
+    publishToMavenCentral()
+
+    // Signing is enabled only if the key is actually provided.
+    // We do not want missing signing info to block publication to local.
+    val signingKey = project.providers.gradleProperty("signingInMemoryKey")
+
+    if (signingKey.isPresent) {
+        // Signing requires the following Gradle properties:
+        //   signingInMemoryKeyId=pgp_key_id
+        //   signingInMemoryKey=pgp_key
+        //   signingInMemoryKeyPassword=pgp_key_password
+        signAllPublications()
+    }
+
+    pom {
+        name.set(project.name)
+        description.set(project.description)
+        url.set("https://github.com/petertrr/kotlin-multiplatform-diff")
+
+        licenses {
+            license {
+                name.set("The Apache Software License, Version 2.0")
+                url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+                distribution.set("repo")
+            }
+        }
+
+        developers {
+            developer {
+                id.set("petertrr")
+                name.set("Petr Trifanov")
+                email.set("peter.trifanov@mail.ru")
+            }
+        }
+
+        scm {
+            url.set("https://github.com/petertrr/kotlin-multiplatform-diff")
+            connection.set("scm:git:git://github.com/petertrr/kotlin-multiplatform-diff.git")
+        }
+    }
+}
 
 detekt {
     buildUponDefaultConfig = true

buildSrc/build.gradle.kts

@@ -4,6 +4,5 @@ plugins {
 
 dependencies {
     implementation(libs.dokka.plugin)
-    implementation(libs.nexus.plugin)
     implementation(libs.kotlin.plugin)
 }

buildSrc/src/main/kotlin/io/github/petertrr/PublishingConfiguration.kt

@@ -2,15 +2,15 @@
 kotlin = "2.2.20-RC2"
 detekt = "1.23.8"
 dokka = "2.1.0-Beta"
-nexus = "2.0.0"
+vanniktech = "0.34.0"
 
 [plugins]
 detekt = { id = "io.gitlab.arturbosch.detekt", version.ref = "detekt" }
+vanniktech = { id = "com.vanniktech.maven.publish", version.ref = "vanniktech" }
 
 [libraries]
 detekt-formatting = { group = "io.gitlab.arturbosch.detekt", name = "detekt-formatting", version.ref = "detekt" }
 
 # Gradle plugins
 kotlin-plugin = { group = "org.jetbrains.kotlin", name = "kotlin-gradle-plugin", version.ref = "kotlin" }
 dokka-plugin = { group = "org.jetbrains.dokka", name = "dokka-gradle-plugin", version.ref = "dokka" }
-nexus-plugin = { group = "io.github.gradle-nexus", name = "publish-plugin", version.ref = "nexus" }