Add snapshot deploy workflow

Author: pcastornii

.github/workflows/snapshot-deploy.yml

@@ -0,0 +1,45 @@
+name: Snapshot Deploy
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup Java 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: 'maven'
+    - name: Generate settings.xml
+      run: |
+          cat > ~/.m2/settings.xml << EOF
+          <settings>
+            <servers>
+              <server>
+                <id>repsy-snapshots</id>
+                <username>${{ secrets.REPSY_USERNAME }}</username>
+                <password>${{ secrets.REPSY_PASSWORD }}</password>
+              </server>
+            </servers>
+          </settings>
+          EOF
+    - name: Deploy only snapshot versions
+      run: |
+        VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
+        echo "Detected version: $VERSION"
+        if [[ $VERSION == *"SNAPSHOT"* ]]; then
+          echo "Deploying snapshot version: $VERSION"
+          mvn deploy -U -B
+        else
+          echo "Skipping deploy for release version: $VERSION"
+        fi
+      env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}