Initial version, with automated publishing workflow.

Author: dweiss

.github/workflows/publish-snapshot.yml

@@ -0,0 +1,40 @@
+name: Publish snapshot
+
+on:
+  workflow_run:
+    workflows: ["Build and test (on commits and PRs)"]
+    types: [completed]
+    branches: [main]
+
+jobs:
+  publish:
+    name: Publish snapshot to Sonatype
+    runs-on: ubuntu-latest
+
+    if: >
+      github.event.workflow_run.conclusion == 'success' &&
+      github.event.workflow_run.head_branch == 'main' &&
+      github.repository == 'randomizedtesting/randomizedtesting-jupiter' &&
+      secrets.NEXUS_USERNAME != '' &&
+      secrets.NEXUS_PASSWORD != ''
+
+    steps:
+      - uses: carrotsearch/infra-public/.github/actions/prepare-git-clone@master
+        with:
+          token: ${{ secrets.GH_ACCESS_TOKEN }}
+
+      - uses: carrotsearch/infra-public/.github/actions/prepare-gradle-build@master
+        with:
+          jdk-version: '21'
+
+      - name: Publish snapshot
+        run: |
+          VERSION=$(./gradlew -q properties | grep '^version:' | awk '{print $2}')
+          if [[ "$VERSION" == *-SNAPSHOT ]]; then
+            ./gradlew publishToSonatype
+          else
+            echo "Not a snapshot version ($VERSION), skipping publish."
+          fi
+        env:
+          ORG_GRADLE_PROJECT_nexusUsername: ${{ secrets.NEXUS_USERNAME }}
+          ORG_GRADLE_PROJECT_nexusPassword: ${{ secrets.NEXUS_PASSWORD }}

README.md

@@ -11,3 +11,9 @@ for current features, their requirement descriptions and migration from junit4.
 See [LICENSE.txt](LICENSE.txt) to make your company's lawyer happy.
 
 See [CHANGES.txt](CHANGES.txt) for API changes and updates.
+
+## Snapshot artifacts and releases
+
+We publish snapshots to sonatype central snapshots repository. [This
+document here](https://central.sonatype.org/publish/publish-portal-snapshots/#consuming-snapshot-releases-for-your-project)
+explains how to set up your project to download snapshot releases.

build.gradle

@@ -1,12 +1,26 @@
 plugins {
   alias(libs.plugins.spotless) apply false
+  alias(libs.plugins.nexus.publish)
 }
 
+apply from: file('gradle/scripts/publishing-sonatype-central.gradle')
+
 allprojects {
   group = 'com.carrotsearch.randomizedtesting'
   version = '0.1.0-SNAPSHOT'
 }
 
+nexusPublishing {
+  repositories {
+    sonatype {
+      nexusUrl = uri("https://ossrh-staging-api.central.sonatype.com/service/local/")
+      snapshotRepositoryUrl = uri("https://central.sonatype.com/repository/maven-snapshots/")
+      username = findProperty("nexusUsername") ?: ""
+      password = findProperty("nexusPassword") ?: ""
+    }
+  }
+}
+
 subprojects {
   apply plugin: 'java-library'
   apply plugin: 'com.diffplug.spotless'

gradle/libs.versions.toml

@@ -2,6 +2,7 @@
 assertj = "3.27.7"
 googleJavaFormat = "1.34.1"
 junit = "6.0.3"
+nexus-publish = "2.0.0"
 spotless = "8.3.0"
 
 [libraries]
@@ -12,4 +13,5 @@ junit-platform-launcher = { module = "org.junit.platform:junit-platform-launcher
 junit-platform-testkit = { module = "org.junit.platform:junit-platform-testkit", version.ref = "junit" }
 
 [plugins]
+nexus-publish = { id = "io.github.gradle-nexus.publish-plugin", version.ref = "nexus-publish" }
 spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }

gradle/scripts/publishing-sonatype-central.gradle

@@ -0,0 +1,69 @@
+def published = [
+  ":randomizedtesting-jupiter"
+]
+
+configure(subprojects.findAll { it.path in published }) {
+  apply plugin: 'maven-publish'
+  apply plugin: 'signing'
+
+  // Hack: do not generate or publish gradle metadata files.
+  tasks.withType(GenerateModuleMetadata).configureEach {
+    enabled = false
+  }
+
+  plugins.withType(JavaPlugin).configureEach {
+    java {
+      withSourcesJar()
+      withJavadocJar()
+    }
+
+    publishing {
+      def configurePom = {
+        name = "${project.name}"
+        description = "${project.name}"
+        url = 'https://github.com/randomizedtesting/randomizedtesting-jupiter'
+        inceptionYear = "2026"
+
+        licenses {
+          license {
+            name = 'ASL 2.0 License'
+            url = 'https://github.com/randomizedtesting/randomizedtesting-jupiter/blob/main/LICENSE.txt'
+          }
+        }
+
+        organization {
+          name = "Carrot Search s.c."
+          url = "https://www.carrotsearch.com"
+        }
+
+        developers {
+          developer {
+            id = 'dawid.weiss'
+            name = 'Dawid Weiss'
+            email = 'dawid.weiss@carrotsearch.com'
+          }
+        }
+        scm {
+          connection = 'scm:git:git@github.com:randomizedtesting/randomizedtesting-jupiter.git'
+          developerConnection = 'scm:git:git@github.com:randomizedtesting/randomizedtesting-jupiter.git'
+          url = 'https://github.com/randomizedtesting/randomizedtesting-jupiter'
+        }
+      }
+
+      publications {
+        jars(MavenPublication) {
+          from components.java
+          groupId = project.group
+          artifactId = project.base.archivesName.get()
+
+          pom(configurePom)
+        }
+      }
+    }
+
+    signing {
+      required = { !project.version.endsWith('-SNAPSHOT') }
+      sign publishing.publications.jars
+    }
+  }
+}