create-release-pr.yml

# This GitHub Workflow will create a new release branch that contains the updated C# project versions and changelog.
# The workflow will also create a PR that targets `dev` from the release branch.
name: Create Release PR

# This workflow is manually triggered when in preparation for a release. The workflow should be dispatched from the `dev` branch.
on:
  workflow_dispatch:
    inputs:
      OVERRIDE_VERSION:
        description: "Override Version"
        type: string
        required: false

permissions:
  id-token: write

jobs:
  release-pr:
    name: Release PR
    runs-on: ubuntu-latest

    env:
      INPUT_OVERRIDE_VERSION: ${{ github.event.inputs.OVERRIDE_VERSION }}
      
    steps:
      # Assume an AWS Role that provides access to the Access Token
      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@8c3f20df09ac63af7b3ae3d7c91f105f857d8497 #v4
        with:
          role-to-assume: ${{ secrets.RELEASE_WORKFLOW_ACCESS_TOKEN_ROLE_ARN }}
          aws-region: us-west-2
      # Retrieve the Access Token from Secrets Manager
      - name: Retrieve secret from AWS Secrets Manager
        uses: aws-actions/aws-secretsmanager-get-secrets@v2
        with:
          secret-ids: |
            AWS_SECRET, ${{ secrets.RELEASE_WORKFLOW_ACCESS_TOKEN_NAME }}
          parse-json-secrets: true
      # Checkout a full clone of the repo
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: '0'
          token: ${{ env.AWS_SECRET_TOKEN }}
      # Install .NET8 which is needed for AutoVer
      - name: Setup .NET 8.0
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 8.0.x
      # Install AutoVer to automate versioning and changelog creation
      - name: Install AutoVer
        run: dotnet tool install --global AutoVer --version 0.0.20
      # Set up a git user to be able to run git commands later on
      - name: Setup Git User
        run: |
          git config --global user.email "github-aws-sdk-dotnet-automation@amazon.com"
          git config --global user.name "aws-sdk-dotnet-automation"
      # Create the release branch which will contain the version changes and updated changelog
      - name: Create Release Branch
        id: create-release-branch
        run: |
          branch=releases/next-release
          git checkout -b $branch
          echo "BRANCH=$branch" >> $GITHUB_OUTPUT
      # Update the version of projects based on the change files
      - name: Increment Version
        run: autover version
        if: env.INPUT_OVERRIDE_VERSION == ''
      # Update the version of projects based on the override version
      - name: Increment Version
        run: autover version --use-version "$INPUT_OVERRIDE_VERSION"
        if: env.INPUT_OVERRIDE_VERSION != ''
      # Update the changelog based on the change files
      - name: Update Changelog
        run: autover changelog
      # Push the release branch up as well as the created tag
      - name: Push Changes
        run: |
          branch=${{ steps.create-release-branch.outputs.BRANCH }}
          git push origin $branch
          git push origin $branch --tags
      # Get the release name that will be used to create a PR
      - name: Read Release Name
        id: read-release-name
        run: |
          version=$(autover changelog --release-name)
          echo "VERSION=$version" >> $GITHUB_OUTPUT
      # Get the changelog that will be used to create a PR
      - name: Read Changelog
        id: read-changelog
        run: |
          changelog=$(autover changelog --output-to-console)
          echo "CHANGELOG<<EOF"$'\n'"$changelog"$'\n'EOF >> "$GITHUB_OUTPUT"
      # Create the Release PR and label it
      - name: Create Pull Request
        env:
          GITHUB_TOKEN: ${{ env.AWS_SECRET_TOKEN }}
        run: |
          pr_url="$(gh pr create --title "${{ steps.read-release-name.outputs.VERSION }}" --body "${{ steps.read-changelog.outputs.CHANGELOG }}" --base dev --head ${{ steps.create-release-branch.outputs.BRANCH }})"
          gh label create "Release PR" --description "A Release PR that includes versioning and changelog changes" -c "#FF0000" -f
          gh pr edit $pr_url --add-label "Release PR"