release.yaml

name: Release Charts

on:
  push:
    branches:
      - main
  workflow_dispatch:  # click the button on Github repo!

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Fetch history
        run: git fetch --prune --unshallow

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
          
      - name: Update dependecy
        run: |
          helm repo add prometheus https://prometheus-community.github.io/helm-charts

      - name: Run chart-releaser
        uses: helm/chart-releaser-action@v1.2.1
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

      - name: Copy README.md files to gh-pages
        run: |
          existing_worktree=$(git worktree list --porcelain | grep -B 2 "branch refs/heads/gh-pages" | head -n 1 | cut -d ' ' -f 2)
          if [[ $existing_worktree != "" ]]; then git worktree remove -f $existing_worktree; fi
          tmp_folder=$(mktemp -d)
          git worktree add ${tmp_folder} gh-pages
          rm -f -r ${tmp_folder}/charts
          cp -r charts ${tmp_folder}/
          pushd ${tmp_folder}
          git add -A "charts/**/README.md"
          git add -A "charts/**/values.yaml"
          git pull origin gh-pages && git commit -m "Updating README.md and values files" && git push origin gh-pages
          popd