main.yml

name: Test and/or release helm chart

on:
  workflow_call:
    secrets:
      github-token:
        required: true
    inputs:
      tag:
        required: true
        type: string
      chartVersion:
        required: false
        type: string

env:
  HELM_REPO: RocketChat/helm-charts

jobs:
  set-versions:
    runs-on: ubuntu-latest
    outputs:
      chart-version: ${{ steps.set-chart-version.outputs.chart-version }}
      app-version: ${{ inputs.tag }}
      run: ${{ steps.set-chart-version.outputs.run }}
    steps:
      - uses: actions/checkout@v3
        with:
          repository: ${{ env.HELM_REPO }}

      - id: set-chart-version
        shell: bash
        run: |
          chart_version="${{ inputs.chartVersion}}"
          if [[ -n "$chart_version" ]]; then
            echo "chart-version=$chart_version"
            echo "chart-version=$chart_version" >>$GITHUB_OUTPUT
            echo "run=true" >> $GITHUB_OUTPUT
            exit 0
          fi

          chart_version="$(awk '/^version:/ {print $2}' rocketchat/Chart.yaml)"
          [[ -n "$chart_version" ]]
          app_version="$(awk '/^appVersion:/ {print $2}' rocketchat/Chart.yaml)"
          [[ -n "$app_version" ]]

          new_version="${{ inputs.tag }}"
          new_version="${new_version%-rc*}"
          new_version=(${new_version//./ })

          old_version=(${app_version//./ })

          chart_version_string=

          if [[ "${new_version[0]}" -gt "${old_version[0]}" ]]; then
            # major bump
            chart_version_string="$((chart_version[0] + 1)).${chart_version[1]}.${chart_version[2]}"
          elif [[ "${new_version[1]}" -gt "${old_version[1]}" ]]; then
            # minor bump
            chart_version_string="${chart_version[0]}.$((chart_version[1] + 1)).${chart_version[2]}"
          elif [[ "${new_version[2]}" -gt "${old_version[2]}" ]]; then
            # patch bump
            chart_version_string="${chart_version[0]}.${chart_version[1]}.$((chart_version[2] + 1))"
          else
            # new is < old, don't run
            echo 'run=false' >>$GITHUB_OUTPUT
            exit 0 # because we don't want to fail
          fi

          echo "chart-version=$chart_version_string"
          echo "chart-version=$chart_version_string" >>$GITHUB_OUTPUT
          echo 'run=true' >> $GITHUB_OUTPUT

  can-chart-run:
    needs:
      - set-versions
    if: ${{ needs.set-versions.outputs.run }} == 'true'
    uses: RocketChat/helm-charts/.github/workflows/test.yml@master
    with:
      tag: ${{ needs.set-versions.outputs.app-version }}
      chartVersion: ${{ needs.set-versions.outputs.chart-version }}

  update-release:
    needs:
      - can-chart-run
      - set-versions
    # prettier-ignore
    if: '! contains(inputs.tag, ''rc'')'
    uses: RocketChat/helm-charts/.github/workflows/release.yml@master
    with:
      tag: ${{ inputs.tag }}
      chartVersion: ${{ needs.set-versions.outputs.chart-version}}
    secrets:
      github-token: ${{ secrets.github-token }}