get-changed-chart.yaml

name: Get single changed chart in last commit

on:
  workflow_call:
    inputs:
      pr_number:
        type: number
        required: true
    outputs:
      chart:
        description: The name of the changed cart in the last commit
        value: ${{ jobs.getChangedChart.outputs.chart }}
      found:
        description: A chart was changed
        value: ${{ jobs.getChangedChart.outputs.found == 'true' }}

jobs:
  getChangedCharts:
    uses: ./.github/workflows/get-changed-charts.yaml
    with:
      pr_number: ${{ inputs.pr_number }}
  getChangedChart:
    runs-on: ubuntu-latest
    needs: getChangedCharts
    outputs:
      chart: ${{ steps.getChangedChart.outputs.chart }}
      found: ${{ needs.getChangedCharts.outputs.count == 1 }}
    steps:
      - id: getChangedChart
        name: Get changed chart in PR
        if: ${{ needs.getChangedCharts.outputs.count == 1 }}
        run: |
          set -e
          set -o pipefail
          changed='${{ needs.getChangedCharts.outputs.charts }}'

          echo chart="$(<<<"$changed" jq -r first)" | tee -a "$GITHUB_OUTPUT"