check.yaml

name: Check PR

on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - labeled
      - unlabeled
    branches:
      - main

jobs:

  lint:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Lint
        run: ./.github/scripts/lint.sh

  eval:
    runs-on: ubuntu-latest
    needs:
      - lint

    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-go@v5
        with:
          go-version: '>=1.17.0'
        
      - name: Eval
        run: |
          .github/build/install.sh
          .github/scripts/eval.sh

  check-labels:
    runs-on: ubuntu-latest
    needs:
      - lint
      - eval

    steps:
      - uses: actions/checkout@v2

      - uses: actions/setup-java@v1
        with:
          java-version: '11'
          java-package: jdk

      - id: match-label
        name: Match semver labels
        uses: zwaldowski/match-label-action@v1
        with:
          allowed: major, minor, patch

      - uses: zwaldowski/semver-release-action@v2
        name: Semver release
        with:
          dry_run: true
          bump: ${{ steps.match-label.outputs.match }}
          github_token: ${{ secrets.GITHUB_TOKEN }}

  comment:
    runs-on: ubuntu-latest
    needs:
      - "check-labels"
      
    if: always()
    steps:
      - uses: technote-space/workflow-conclusion-action@v2
      - name: Checkout
        uses: actions/checkout@v1

      - name: Comment PR
        if: env.WORKFLOW_CONCLUSION == 'failure'
        uses: thollander/actions-comment-pull-request@1.0.2
        with:
          message: "Please apply one of the following labels to the PR: 'patch', 'minor', 'major'."
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  prepare-release:
    needs: ["check-labels", "comment"]

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - id: bump
        uses: zwaldowski/match-label-action@v4
        with:
          allowed: major,minor,patch

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v14.6
        

      # prepare yaml parser
      - uses: actions/setup-go@v4
      - name: Install yq
        run: |
          go install github.com/mikefarah/yq/v4@latest
          yq --version

      - uses: actions/checkout@v3
        with:
          ref: ${{ github.head_ref }}

      - name: Update versions
        shell: bash
        run: |
          declare -A changedCharts

          for file in ${{ steps.changed-files.outputs.all_changed_and_modified_files }}; do         

              echo "$file was changed"
              baseFolder=$(cut -d'/' -f1 <<< "$file")
              if [ $baseFolder = "charts" ]; then
                  chartName=$(cut -d'/' -f2 <<< "$file")
                  changedCharts[$chartName]=$chartName
              fi  
          done    

          for c in "${changedCharts[@]}"; do
              # get version from chart yaml
              version=$(yq e '.version' "charts/$c/Chart.yaml")
              major=$(cut -d'.' -f1 <<< "$version")
              minor=$(cut -d'.' -f2 <<< "$version")
              patch=$(cut -d'.' -f3 <<< "$version")

              prType=${{ steps.bump.outputs.match }}
              echo Update version $version with type $prType
              if [ $prType = "major" ]; then 
                  echo Update major
                  major=$((major+1))
                  minor=0
                  patch=0
              elif [ $prType = "minor" ]; then
                  echo Update minor
                  minor=$((minor+1))
                  patch=0
              elif [ $prType = "patch" ]; then 
                  echo Update patch
                  patch=$((patch+1))
              fi
              echo Update version to $major.$minor.$patch for $c
              yq e -i '.version = "'$major.$minor.$patch'"' charts/$c/Chart.yaml
          done

      - name: Commit files
        continue-on-error: true
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git status
          echo commit
          git commit -m "Update helm chart versions" -a
          echo status update
          git status

      - name: Push changes
        continue-on-error: true
        uses: ad-m/github-push-action@master
        with:
          branch: ${{ github.head_ref }}