ci(snapshot): publish snapshot builds on merge to main (#455)

.github/workflows/ci.yaml

@@ -51,3 +51,22 @@ jobs:
     - uses: skjolber/maven-cache-github-action@v1
       with:
         step: save
+
+  get-version:
+    runs-on: ubuntu-latest
+    outputs:
+      project-version: ${{ steps.get-version.outputs.project-version }}
+    steps:
+    - uses: actions/checkout@v4
+    - id: get-version
+      run: |
+        PROJECT_VERSION="$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)"
+        echo "project-version=${PROJECT_VERSION}" >> "${GITHUB_OUTPUT}"
+
+  publish-snapshot:
+    needs: get-version
+    uses: ./.github/workflows/maven-central-publish.yml
+    secrets: inherit
+    with:
+      publish-cmd: './release-snapshot.sh'
+    if: ${{ github.repository_owner == 'cryostatio' && endsWith(needs.get-version.outputs.project-version, '-SNAPSHOT') }}

.github/workflows/maven-central-release.yml → .github/workflows/maven-central-publish.yml

@@ -2,17 +2,12 @@
 name: Publish a new Maven Central release
 
 on:
-  workflow_dispatch:
-    # inputs:
-    #   version:
-    #     description: 'Release version'
-    #     required: true
-  push:
-    branches:
-      - main
-      - v[0-9]+
-      - v[0-9]+.[0-9]+
-      - cryostat-v[0-9]+.[0-9]+
+  workflow_call:
+    inputs:
+      publish-cmd:
+        description: 'Command to perform publish'
+        required: true
+        type: string
 
 jobs:
   build:
@@ -41,4 +36,4 @@ jobs:
           JRELEASER_NEXUS2_USERNAME: ${{ secrets.MAVEN_CENTRAL_NEXUS2_USERNAME }}
           JRELEASER_NEXUS2_PASSWORD: ${{ secrets.MAVEN_CENTRAL_NEXUS2_PASSWORD }}
           JRELEASER_GITHUB_TOKEN: ${{ secrets.SUBMODULE_TOKEN }}
-        run: ./release.sh
+        run: ${{ inputs.publish-cmd }}

release-snapshot.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+echo "📦 Staging artifacts..."
+./mvnw --batch-mode --no-transfer-progress -Ppublication -DskipTests=true -Dskip.spotless=true
+
+echo "🚀 Releasing..."
+./mvnw --batch-mode --no-transfer-progress -Prelease jreleaser:deploy
+
+echo "🎉 Done!"