check-tempo-version.yaml

name: Check Tempo version

on:
  schedule:
    - cron: "0 8 * * 1" # every Monday at 08:00 UTC
  workflow_dispatch:

env:
  TEMPO_REPO: tempoxyz/tempo

jobs:
  check:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - uses: actions/checkout@v4

      - name: Get current and latest versions
        id: versions
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          current=$(grep '^DOCKER_IMAGE=' .env.example | sed 's/.*://')
          latest=$(gh api "repos/$TEMPO_REPO/releases/latest" --jq '.tag_name' | sed 's/^v//')
          echo "current=$current" >> "$GITHUB_OUTPUT"
          echo "latest=$latest" >> "$GITHUB_OUTPUT"

      - name: Update and open PR
        if: steps.versions.outputs.current != steps.versions.outputs.latest
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          old="${{ steps.versions.outputs.current }}"
          new="${{ steps.versions.outputs.latest }}"
          branch="chore/bump-tempo-${new}"

          sed -i "s/${old}/${new}/g" .env.example docker-compose.yaml

          git checkout -b "$branch"
          git add .env.example docker-compose.yaml
          git commit -m "chore: bump tempo image to ${new}"
          git push -u origin "$branch"
          gh pr create \
            --title "chore: bump tempo image to ${new}" \
            --body "Bumps \`DOCKER_IMAGE\` from \`${old}\` to \`${new}\`." \
            --base main