release.yaml

name: Release

on:
  push:
    branches:
      - "!not_activated_on_branches!*"
    tags:
      - "v[0-9]+.[0-9]+.[0-9]+"
      - "v[0-9]+.[0-9]+.[0-9]+-*"

jobs:

  build:
    name: Release
    runs-on: ubuntu-latest
    steps:
    - name: Free some disk space on runner
      run: |
        df -h
        sudo rm -rf /usr/share/dotnet
        sudo rm -rf /opt/ghc
        sudo rm -rf /usr/local/share/boost
        sudo rm -rf /usr/lib/jvm
        sudo rm -rf /usr/lib/firefox
        sudo rm -rf /opt/microsoft/powershell
        sudo rm -rf /opt/hostedtoolcache
        echo "free space after cleanup:"
        df -h

    - name: Set up Go 1.x
      uses: actions/setup-go@v3
      with:
        go-version: 1.21
      id: go

    - name: Check out code into the Go module directory
      uses: actions/checkout@v1

    - name: Generate details for creating release notes
      id: generate-release-details
      shell: bash
      run: |
        set -o xtrace
        RELEASE_BRANCH="main"
        RELEASE_VERSION=${GITHUB_REF#refs/*/}
        major=$(echo "$RELEASE_VERSION"  | sed 's/^v\(.*\)/\1/' | cut -d. -f1)
        minor=$(echo "$RELEASE_VERSION" | cut -d. -f2)
        revision=$(echo "$RELEASE_VERSION" | cut -d. -f3 | cut -d- -f1)
        if [ "$revision" -gt 0 ];then
          revision=$(($revision-1))
          RELEASE_BRANCH="release-${major}.${minor}"
          LAST_TAG="v${major}.${minor}.${revision}"
        elif [ "$minor" -gt 0 ]; then
          minor=$(($minor-1))
          LAST_TAG=$(git tag | grep -E "^v${major}\.${minor}\.[0-9]+$" | tail -1)
        elif [ "$major" -gt 0 ]; then
          major=$(($major-1))
          LAST_TAG=$(git tag | grep -E "^v${major}\.[0-9]+\.[0-9]+$" | tail -1)
        else
          echo "Please validate that the tag release version(${RELEASE_VERSION}) conforms to semver."
          exit 1
        fi
        git log -3 --format=oneline
        echo "Last release tag - $LAST_TAG"
        START_SHA=$(git rev-list -n 1 $LAST_TAG)
        echo "Release note generator start SHA - $START_SHA"
        END_SHA=$(git rev-list -n 1 $RELEASE_VERSION)
        echo "Release note generator end SHA - $END_SHA"

        echo "::set-output name=start-sha::$START_SHA"
        echo "::set-output name=end-sha::$END_SHA"
        echo "::set-output name=release-version::$RELEASE_VERSION"
        echo "::set-output name=prev-release-version::$LAST_TAG"
        echo "::set-output name=repo-name::$(echo '${{ github.repository }}' | awk -F '/' '{print $2}')"
        echo "::set-output name=repo-org::$(echo '${{ github.repository }}' | awk -F '/' '{print $1}')"
        echo "::set-output name=release-branch::$RELEASE_BRANCH"
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Install release-note dependency
      run: |
        go install k8s.io/release/cmd/release-notes@v0.13.0

    - name: Get Time
      id: time
      uses: nanzm/get-time-action@v1.1
      with:
        format: 'YYYYMMDDHHmmss'

    - name: Generate release notes
      id: get-release-notes
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        release-notes \
            --github-base-url https://github.com \
            --org ${{ steps.generate-release-details.outputs.repo-org }} \
            --repo ${{ steps.generate-release-details.outputs.repo-name }} \
            --branch ${{ steps.generate-release-details.outputs.release-branch }} \
            --required-author "" \
            --start-sha ${{ steps.generate-release-details.outputs.start-sha }} \
            --end-sha ${{ steps.generate-release-details.outputs.end-sha }} \
            --output /tmp/${{ steps.time.outputs.time }}-bin-notes

    - name: Get Github Release notes
      uses: octokit/request-action@v2.x
      id: get-github-release-notes
      with:
        route: POST /repos/{owner}/{repo}/releases/generate-notes
        owner: ${{ steps.generate-release-details.outputs.repo-org }}
        repo: ${{ steps.generate-release-details.outputs.repo-name }}
        tag_name: ${{ steps.generate-release-details.outputs.release-version }}
        previous_tag_name: ${{ steps.generate-release-details.outputs.prev-release-version }}
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: 'Identify New Contributors Section'
      id: get-new-contributors
      env:
        body: "${{ fromJson(steps.get-github-release-notes.outputs.data).body }}"
      run: |
        githubOutput="/tmp/${{ steps.time.outputs.time }}-github-output"
        echo "$body" > "$githubOutput"

    - name: Generate the release notes
      shell: bash
      run: |
        NEW_CONTRIBUTORS=$(sed -n '/## New Contributors/,$p' /tmp/${{ steps.time.outputs.time }}-github-output)
        RELEASE_TOOL_NOTES=$(sed 's/### Uncategorized/### Miscellaneous/g' /tmp/${{ steps.time.outputs.time }}-bin-notes)
        RELEASE_NOTES=$(cat <<-END
          ## Tanzu CLI Installation Instructions

          If you are installing Tanzu CLI using the artifacts published as part of this release, please follow the
          [instructions](https://github.com/vmware-tanzu/tanzu-cli/blob/main/docs/quickstart/install.md#from-the-binary-releases-in-github-project).

          $RELEASE_TOOL_NOTES

          $NEW_CONTRIBUTORS
        END
        )
        echo "$RELEASE_NOTES"
        echo "RELEASE_NOTES<<EOF" >> $GITHUB_ENV
        echo "$RELEASE_NOTES" >> $GITHUB_ENV
        echo "EOF" >> $GITHUB_ENV

    - id: create_draft_release
      name: Create Draft Release
      uses: softprops/action-gh-release@v1
      with:
        draft: true
        body: ${{ env.RELEASE_NOTES }}
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}