create-chart-update-pr.yaml

name: "Create chart update Pull Request"

on:
  workflow_dispatch:
    inputs:
      app-version:
        description: app version (e.g. 0.1.0)
        type: string
      chart-version:
        description: chart version (e.g. 0.1.0)
        type: string

jobs:
  create-chart-update-pr:
    runs-on: "ubuntu-latest"
    steps:
      - name: "Validate input"
        run: |
          # The exit code will be 1 if the pattern is not found by grep.
          echo ${{ inputs.app-version }} | grep -E "^[0-9]+.[0-9]+.[0-9]+$"
          echo ${{ inputs.chart-version }} | grep -E "^[0-9]+.[0-9]+.[0-9]+$"
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Configure Git
        run: |
          # ref. https://github.com/orgs/community/discussions/26560#discussioncomment-3252340
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
      - name: "Create a branch"
        run: |
            git switch main
            git pull
            git switch -c bump-chart-${{ inputs.chart-version }}
      - name: "Update files"
        run: |
          sed -r -i "s/version: [[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+/version: ${{ inputs.chart-version }}/g" charts/pie/Chart.yaml
          sed -r -i "s/appVersion: [[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+/appVersion: ${{ inputs.app-version }}/g" charts/pie/Chart.yaml
          sed -r -i "s/ghcr.io\/topolvm\/pie:[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+/ghcr.io\/topolvm\/pie:${{ inputs.app-version }}/g" charts/pie/Chart.yaml
      - name: Issue an access token
        uses: actions/create-github-app-token@v1
        id: app-token
        with:
          app-id: ${{ secrets.PROJECT_APP_ID }}
          private-key: ${{ secrets.PROJECT_APP_PEM }}
      - name: "Create pull request"
        run: |
          git commit -a -s -m "Bump chart version to ${{ inputs.chart-version }}"
          git push --set-upstream origin bump-chart-${{ inputs.chart-version }}
          gh pr create --draft --fill
        env:
          GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}