Move to a weekly release scheme

.github/workflows/autorelease.yml

@@ -0,0 +1,68 @@
+name: Create Version and Tag
+# If you change this name, don't forget to change the name in 'deploy.yml'!
+
+on:
+  schedule:
+    - cron: '0 3 * * 1'  # Every Monday at 3am UTC
+  workflow_dispatch: # For manual triggering
+    inputs:
+      patch_version:
+        description: 'Patch version number (default is 0)'
+        required: false
+        default: '0'
+
+jobs:
+  calculate-version-and-tag:
+    name: Calculate Version and Create Tag
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Calculate new version
+        id: set-version
+        run: |
+          MAJOR=0
+          YEAR=$(date +%y)
+          WEEK=$(date +%W)
+          WEEK_PADDED=$(printf "%02d" $WEEK)
+          PATCH="${{ github.event.inputs.patch_version }}"
+          if [[ -z "$PATCH" ]]; then
+            PATCH="0"
+          fi
+          VERSION="${MAJOR}.${YEAR}.${WEEK_PADDED}.${PATCH}"
+          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
+
+      - name: Update version in build.sbt
+        run: |
+          sed -i 's/lazy val effektVersion = ".*"/lazy val effektVersion = "${{ steps.set-version.outputs.VERSION }}"/' build.sbt
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'zulu'
+          cache: 'sbt'
+
+      - name: Set up NodeJS
+        uses: actions/setup-node@v4
+        with:
+          node-version: '12.x'
+
+      - name: Update NPM and MVN versions via sbt
+        run: sbt updateVersions
+
+      - name: Commit and push changes
+        run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "github-actions[bot]"
+          git add build.sbt
+          git add package.json
+          git add pom.xml
+          git commit -m "Bump version to ${{ steps.set-version.outputs.VERSION }}"
+          git push
+
+      - name: Create and push tag
+        run: |
+          git tag v${{ steps.set-version.outputs.VERSION }}
+          git push origin v${{ steps.set-version.outputs.VERSION }}

.github/workflows/deploy.yml

@@ -1,27 +1,37 @@
-# This is a copy-and-past version of ci.yml but additionally creating a release
+# This is a copy-and-paste version of ci.yml but additionally creating a release
 name: Release Artifacts
 
 on:
   push:
     tags:
       - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+  workflow_run:
+    workflows: ["Create Version and Tag"] # 'autorelease.yml'
+    types:
+      - completed
+
 jobs:
   build-jar:
-    name: Build Effekt compiler and run tests
+    name: Build the Effekt compiler and run tests
     runs-on: ubuntu-latest
-    steps:
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    outputs:
+      version: ${{ steps.get_version.outputs.VERSION }}
 
-    - uses: actions/checkout@v2
+    steps:
+    - uses: actions/checkout@v4
       with:
+        fetch-tags: 'true'
         submodules: 'true'
 
     - name: Set up JDK 11
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v3
       with:
-        java-version: 11
+        java-version: '11'
+        distribution: 'temurin'
 
-    - name: Set up NodeJS
-      uses: actions/setup-node@v1
+    - name: Set up Node.js
+      uses: actions/setup-node@v4
       with:
         node-version: '12.x'
 
@@ -39,21 +49,35 @@ jobs:
     - name: Install Chez Scheme
       run: sudo apt-get install chezscheme
 
+    - name: Get the version
+      id: get_version
+      run: |
+        if [ "${{ github.event_name }}" = "push" ]; then
+          echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+        elif [ "${{ github.event_name }}" = "workflow_run" ]; then
+          # For workflow_run event, we need to fetch the tag created in the previous workflow
+          git fetch --tags
+          LATEST_TAG=$(git describe --tags --abbrev=0)
+          echo "VERSION=${LATEST_TAG#v}" >> $GITHUB_OUTPUT
+        else
+          echo "Unsupported event type: ${{ github.event_name }}"
+          exit 1
+        fi
+
     - name: Run tests and assemble jar file
       run: sbt clean deploy
 
-    - id: npmpackage
-      name: Generate npm package
+    - name: Generate npm package
       run: mv $(npm pack) effekt.tgz
 
     - name: Upload Effekt binary
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v3
       with:
         name: effekt
         path: bin/effekt
 
     - name: Upload the npm package
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v3
       with:
         name: effekt-npm-package
         path: effekt.tgz
@@ -63,35 +87,47 @@ jobs:
     runs-on: ubuntu-latest
     needs: [build-jar]
     steps:
-      - name: Checkout code
-        uses: actions/checkout@master
-
       - name: Download JAR artifact
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v3
         with:
           name: effekt
           path: distribution/
 
       - name: Download npm package
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v3
         with:
           name: effekt-npm-package
           path: distribution/
 
+        # Generates nice release notes according to https://docs.github.com/en/repositories/releasing-projects-on-github/automatically-generated-release-notes
+        # We can also configure these down the road: https://docs.github.com/en/repositories/releasing-projects-on-github/automatically-generated-release-notes#configuring-automatically-generated-release-notes
+      - name: Generate Release Notes
+        id: generate_release_notes
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const { data } = await github.rest.repos.generateReleaseNotes({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              tag_name: 'v${{ needs.build-jar.outputs.version }}',
+            });
+            core.setOutput('name', data.name);
+            core.setOutput('body', data.body);
+
       - name: Create Release
         id: create_release
-        uses: actions/create-release@latest
+        uses: actions/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          release_name: Prerelease ${{ github.ref }}
-          tag_name: ${{ github.ref }}
-          body: Automatic release for ${{ github.ref }}
+          release_name: ${{ steps.generate_release_notes.outputs.name }}
+          tag_name: v${{ needs.build-jar.outputs.version }}
+          body: ${{ steps.generate_release_notes.outputs.body }}
           draft: false
-          prerelease: true
+          prerelease: false
 
       - name: Upload jar file
-        id: upload_jar
         uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -102,7 +138,6 @@ jobs:
           asset_content_type: application/java-archive
 
       - name: Upload npm package
-        id: upload_npm
         uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -111,3 +146,24 @@ jobs:
           asset_path: ./distribution/effekt.tgz
           asset_name: effekt.tgz
           asset_content_type: application/gzip
+
+  publish-npm:
+    name: Publish NPM Package
+    runs-on: ubuntu-latest
+    needs: [build-jar, release]
+    steps:
+      - name: Download npm package
+        uses: actions/download-artifact@v3
+        with:
+          name: effekt-npm-package
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '12.x'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Publish to NPM as @effekt-lang/effekt
+        run: npm publish effekt.tgz --access public --scope @effekt-lang
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}