Update workflow to check changelog, add release notes and docker push

.github/workflows/release.yml

@@ -1,32 +1,108 @@
-name: Release
+name: Tag Release & Push Gem & Docker
 
 on: workflow_dispatch
 
+permissions:
+  contents: write
+  issues: read
+  pull-requests: read
+  packages: write
+
 jobs:
   release:
-    name: Build + Publish
+    name: Validate Docs, Tag, and Docker Push
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Get Version
-      id: gv
-      run: |
-        echo "::set-output name=ver::$(grep VERSION lib/vmfloaty/version.rb |rev |cut -d "'" -f2 |rev)"
+    - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.ref }}
+          clean: true
+          fetch-depth: 0
+
+    - name: Get New Version
+        id: nv
+        run: |
+          version=$(grep VERSION lib/vmfloaty/version.rb |rev |cut -d "'" -f2 |rev)
+          echo "version=$version" >> $GITHUB_OUTPUT
+          echo "Found version $version from lib/vmfloaty/version.rb"
+
+    - name: Get Current Version
+      uses: actions/github-script@v6
+      id: cv
+      with:
+        script: |
+          const { data: response } = await github.rest.repos.getLatestRelease({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+          })
+          console.log(`The latest release is ${response.tag_name}`)
+          return response.tag_name
+        result-encoding: string
+
+    - name: Generate Changelog
+      uses: docker://githubchangeloggenerator/github-changelog-generator:1.16.2
+      with:
+        args: >-
+          --future-release ${{ steps.nv.outputs.version }}
+      env:
+        CHANGELOG_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Validate Changelog
+      run : |
+        set -e
+        if output=$(git status --porcelain) && [ ! -z "$output" ]; then
+          echo "Here is the current git status:"
+          git status
+          echo
+          echo "The following changes were detected:"
+          git --no-pager diff
+          echo "Uncommitted PRs found in the changelog. Please submit a release prep PR of changes after running './release-prep ${{ steps.nv.outputs.version }}'"
+          exit 1
+        fi
+
+    - name: Generate Release Notes
+      uses: docker://githubchangeloggenerator/github-changelog-generator:1.16.2
+      with:
+        args: >-
+          --since-tag ${{ steps.cv.outputs.result }}
+          --future-release ${{ steps.nv.outputs.version }}
+          --output release-notes.md
+      env:
+        CHANGELOG_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Tag Release
       uses: ncipollo/release-action@v1
       with:
-        tag: ${{ steps.gv.outputs.ver }}
+        tag: ${{ steps.nv.outputs.version }}
         token: ${{ secrets.GITHUB_TOKEN }}
+        bodyfile: release-notes.md
         draft: false
         prerelease: false
-        generateReleaseNotes: true
 
-    - name: Set up Ruby 2.7
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v4
+      with:
+        push: true
+        tags: |
+          ghcr.io/${{ github.repository }}:${{ steps.nv.outputs.version }}
+          ghcr.io/${{ github.repository }}:latest
+
+    - name: Set up Ruby 3.2
       uses: actions/setup-ruby@v1
       with:
-        version: 2.7.x
+        version: 3.2.x
 
     - name: Build gem
       run: gem build *.gemspec