build: Refactor release job to build all artifacts in a single environment (#139)

* Run release workflow on a single Linux machine
* Remove condition for overlapping publications
* Update RELEASING.md

Closes #116

Author: petertrr

.github/workflows/release.yml

@@ -11,59 +11,17 @@ env:
   OSSRH_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
 
 jobs:
-  release_linux:
-    name: Build release on main platform (Linux)
+  release:
+    name: Build and publish release
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Set up JDK 11
+      - name: Set up JDK
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 11
-      - uses: gradle/actions/setup-gradle@v4
-        with:
-          gradle-version: wrapper
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
-      - run: ./gradlew publishToSonatype closeSonatypeStagingRepository
-      - name: Create Github Release
-        id: create_release
-        uses: actions/create-release@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          tag_name: ${{ github.ref }}
-          release_name: Release ${{ github.ref }}
-          draft: false
-          prerelease: false
-  release_macos:
-    name: Build release on MacOS
-    runs-on: macos-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set up JDK 11
-        uses: actions/setup-java@v4
-        with:
-          distribution: zulu
-          java-version: 11
-      - uses: gradle/actions/setup-gradle@v4
-        with:
-          gradle-version: wrapper
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
-      - run: ./gradlew publishToSonatype closeSonatypeStagingRepository
-  release_windows:
-    name: Build release on Windows
-    runs-on: windows-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set up JDK 11
-        uses: actions/setup-java@v4
-        with:
-          distribution: zulu
-          java-version: 11
+          java-version: 17
       - uses: gradle/actions/setup-gradle@v4
         with:
           gradle-version: wrapper

RELEASING.md

@@ -1,3 +1,3 @@
-1. Push a new git tag of a format 'v*', e.g. v1.0.0
-2. Github Actions workflow will start, building release and pushing it to maven central. It will then create a github release.
-3. Update github release with release notes.
+1. Create a Github release with a new tag in a format `vX.Y.Z`, e.g. `v0.1.2`
+2. Github Actions workflow will start, building release and pushing it to maven central.
+3. Staging repositories on Sonatype will be closed automatically, but need to be released manually.

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

@@ -42,30 +42,6 @@ fun Project.configurePublishing() {
     if (hasProperty("sonatypeUsername")) {
         configureNexusPublishing()
     }
-
-    // https://kotlinlang.org/docs/mpp-publish-lib.html#avoid-duplicate-publications
-    // Publication with name `kotlinMultiplatform` is for the default artifact.
-    // `configureNexusPublishing` adds sonatype publication tasks inside `afterEvaluate`.
-    rootProject.afterEvaluate {
-        val publicationsFromMainHost = listOf("jvm", "js", "linuxX64", "kotlinMultiplatform", "metadata")
-        configure<PublishingExtension> {
-            publications.matching { it.name in publicationsFromMainHost }.all {
-                val targetPublication = this@all
-                tasks.withType<AbstractPublishToMaven>()
-                    .matching { it.publication == targetPublication }
-                    .configureEach {
-                        onlyIf {
-                            // main publishing CI job is executed on Linux host
-                            DefaultNativePlatform.getCurrentOperatingSystem().isLinux.apply {
-                                if (!this) {
-                                    logger.lifecycle("Publication ${(it as AbstractPublishToMaven).publication.name} is skipped on current host")
-                                }
-                            }
-                        }
-                    }
-                }
-        }
-    }
 }
 
 private fun Project.configurePublications() {