libnghttp2 1.68.0

name: Update nghttp2

on:
  schedule:
    # Run weekly on Mondays at 00:00 UTC
    - cron: '0 0 * * 1'
  workflow_dispatch:

jobs:
  check-and-update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Fetch tags for submodule
        run: |
          cd nghttp2
          git fetch --tags --no-recurse-submodules
          cd ..

      - name: Get latest nghttp2 release
        id: latest_release
        run: |
          LATEST=$(curl -s https://api.github.com/repos/nghttp2/nghttp2/releases/latest | jq -r .tag_name)
          echo "version=$LATEST" >> $GITHUB_OUTPUT
          echo "Latest nghttp2 release: $LATEST"

      - name: Get current nghttp2 version
        id: current_version
        run: |
          cd nghttp2
          CURRENT=$(git describe --tags)
          echo "version=$CURRENT" >> $GITHUB_OUTPUT
          echo "Current nghttp2 version: $CURRENT"
          cd ..

      - name: Check if update is needed
        id: check_update
        run: |
          if [ "${{ steps.current_version.outputs.version }}" != "${{ steps.latest_release.outputs.version }}" ]; then
            echo "update_needed=true" >> $GITHUB_OUTPUT
            echo "Update needed from ${{ steps.current_version.outputs.version }} to ${{ steps.latest_release.outputs.version }}"
          else
            echo "update_needed=false" >> $GITHUB_OUTPUT
            echo "Already up to date"
          fi

      - name: Update nghttp2 submodule
        if: steps.check_update.outputs.update_needed == 'true'
        run: |
          cd nghttp2
          git fetch --tags
          git checkout ${{ steps.latest_release.outputs.version }}
          cd ..

      - name: Update Cargo.toml version
        if: steps.check_update.outputs.update_needed == 'true'
        run: |
          # Extract version without 'v' prefix
          NEW_VERSION="${{ steps.latest_release.outputs.version }}"
          NEW_VERSION="${NEW_VERSION#v}"

          # Update version in Cargo.toml
          sed -i "s/^version = \".*\"/version = \"${NEW_VERSION}\"/" Cargo.toml

      - name: Create Pull Request
        if: steps.check_update.outputs.update_needed == 'true'
        uses: peter-evans/create-pull-request@v7
        with:
          commit-message: "Update nghttp2 to ${{ steps.latest_release.outputs.version }}"
          title: "Update nghttp2 to ${{ steps.latest_release.outputs.version }}"
          body: |
            ## Summary
            - Updates nghttp2 submodule from ${{ steps.current_version.outputs.version }} to ${{ steps.latest_release.outputs.version }}
            - Updates package version to ${{ steps.latest_release.outputs.version }}

            ## Changes
            - Submodule `nghttp2` updated to ${{ steps.latest_release.outputs.version }}
            - Cargo.toml version bumped

            ## Release Notes
            See: https://github.com/nghttp2/nghttp2/releases/tag/${{ steps.latest_release.outputs.version }}
          branch: update-nghttp2-${{ steps.latest_release.outputs.version }}
          delete-branch: true
          labels: dependencies, automated