Add CI workflow

Author: eloots

.github/workflows/ci.yml

@@ -0,0 +1,149 @@
+name: Scala Course CI
+
+on:
+  push:
+    tags: '*'
+    paths-ignore:
+      - 'README.md'
+      - '**/README.md'
+      - 'slides/**'
+      - 'scripts/**'
+    branches: [ main ]
+  pull_request:
+    paths-ignore:
+      - 'README.md'
+      - '**/README.md'
+      - 'slides/**'
+      - 'scripts/**'
+    branches: [ main ]
+
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+env:
+  EXERCISES_DIRECTORY: ./exercises
+
+jobs:
+  list-exercises:
+    runs-on: ubuntu-latest
+    outputs:
+      exercises: ${{steps.list.outputs.exercises}}
+    steps:
+      - uses: actions/checkout@v3
+      - id: list
+        run: echo "::set-output name=exercises::$(ls $EXERCISES_DIRECTORY | grep exercise_ | jq -cnR '[inputs | select(length>0)]')"
+#        run: echo "name=exercises::$(ls $EXERCISES_DIRECTORY | grep exercise_ | jq -cnR '[inputs | select(length>0)]')" >> $GITHUB_OUTPUT
+
+  validate_course:
+    runs-on: ubuntu-latest
+    needs: list-exercises
+    strategy:
+      fail-fast: false
+      matrix:
+        exercise: ${{fromJson(needs.list-exercises.outputs.exercises)}}   
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: 11
+        cache: 'sbt'
+        distribution: 'temurin'
+
+    - name: Test with sbt
+      run: sbt 'set scalaVersion := "3.0.0"' test
+      working-directory: ${{env.EXERCISES_DIRECTORY}}/${{matrix.exercise}}
+
+  validate_course_summary:
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    needs: validate_course
+    steps:
+      - name: Check build matrix status
+        if: ${{ needs.validate_course.result != 'success' }}
+        run: exit 1
+
+  create_release:
+    runs-on: ubuntu-latest
+    needs: [validate_course]
+    # Release gets triggered only on creating new tags
+    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/')
+    
+    steps:
+          
+      - name: Checkout Course Repo
+        uses: actions/checkout@v3
+        with:
+          path: lunatech-scala-2-to-scala3-course
+          fetch-depth: 0          
+      
+      - name: Setup Course Management Tools
+        uses: robinraju/[email protected]
+        with:
+          repository: lunatech-labs/course-management-tools
+          tag: "2.0.0-RC6"
+          fileName: "course-management-tools.zip"
+          out-file-path: "."
+      - run: |
+          unzip course-management-tools.zip
+          echo "$GITHUB_WORKSPACE/course-management-tools/bin" >> $GITHUB_PATH
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: 11
+          distribution: 'temurin'
+      
+      - name: Setup Coursier Cache
+        uses: coursier/[email protected]
+        with:
+          root: "lunatech-scala-2-to-scala3-course"
+      
+      - name: Studentify Repo
+        run: |
+          mkdir -p studentified
+          export PATH=${PATH}:$GITHUB_WORKSPACE/CMT/bin
+          git config --global user.email "[email protected]"
+          git config --global user.name "Lunatech Labs"
+          cmta studentify -f -g -m lunatech-scala-2-to-scala3-course -d studentified
+          (cd studentified && exec zip -r lunatech-scala-2-to-scala3-course-student.zip lunatech-scala-2-to-scala3-course)  
+          
+      - name: Linearize Repo
+        run: |
+          mkdir -p linearized
+          cmta linearize -f -m lunatech-scala-2-to-scala3-course -d linearized
+          mv linearized/lunatech-scala-2-to-scala3-course linearized/lunatech-scala-2-to-scala3-course-linearized
+          (cd linearized && exec zip -r lunatech-scala-2-to-scala3-course-linearized.zip lunatech-scala-2-to-scala3-course-linearized)
+        
+      - name: Create Github Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+          
+      - name: Upload Studentified repo to Github release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # release created from previous step
+          asset_path: ./studentified/lunatech-scala-2-to-scala3-course-student.zip
+          asset_name: lunatech-scala-2-to-scala3-course-student.zip
+          asset_content_type: application/zip
+     
+      - name: Upload Linearized repo to Github release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # release created from previous step
+          asset_path: ./linearized/lunatech-scala-2-to-scala3-course-linearized.zip
+          asset_name: lunatech-scala-2-to-scala3-course-linearized.zip
+          asset_content_type: application/zip