sync.yml

name: Sync Upstream Chart

on:
  schedule:
    - cron: "0 6 * * 1" # weekly on monday
  workflow_dispatch:
    inputs:
      upstream_ref:
        description: "Upstream ref to sync (tag, branch, or SHA)"
        default: "main"

permissions:
  contents: write
  pages: write

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout this repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Configure git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: Clone upstream code-server
        run: |
          git clone --depth 1 \
            --branch "${{ github.event.inputs.upstream_ref || 'main' }}" \
            https://github.com/coder/code-server.git /tmp/code-server

      - name: Sync chart into charts/code-server
        run: |
          mkdir -p charts
          rm -rf charts/code-server
          cp -r /tmp/code-server/ci/helm-chart charts/code-server

      - name: Apply local overrides
        run: |
          if [ -d overrides/code-server ]; then
            cp -r overrides/code-server/* charts/code-server/
          fi

      - name: Record upstream version
        run: |
          cd /tmp/code-server
          echo "$(git rev-parse HEAD) $(git describe --tags --always)" \
            > "$GITHUB_WORKSPACE/charts/code-server/.upstream-ref"

      - name: Commit changes
        id: commit
        run: |
          git add charts/
          if git diff --cached --quiet; then
            echo "changed=false" >> "$GITHUB_OUTPUT"
            echo "No changes detected"
          else
            CHART_VERSION=$(grep '^version:' charts/code-server/Chart.yaml | awk '{print $2}')
            git commit -m "sync: code-server chart ${CHART_VERSION}"
            git push
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Tag release
        run: |
          CHART_VERSION=$(grep '^version:' charts/code-server/Chart.yaml | awk '{print $2}')
          TAG="v${CHART_VERSION}"
          if git rev-parse "$TAG" >/dev/null 2>&1; then
            echo "Tag $TAG already exists, skipping"
          else
            git tag "$TAG"
            git push origin "$TAG"
            echo "Created and pushed tag $TAG"
          fi

      - name: Release charts
        uses: helm/chart-releaser-action@v1.7.0
        with:
          charts_dir: charts
          skip_existing: true
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"