check-n8n-new-release.yml

name: 👀 Check for new n8n stable releases and builds a new custom image release if needed

on:
  schedule:
    - cron: '0 8 * * *' # Every day at 8am
  workflow_dispatch:

jobs:
  check-new-release:
    runs-on: ubuntu-latest

    timeout-minutes: 5

    # Output mapping needed to share data between jobs. Separated jobs to reuse the build-and-push.yml workflow.
    outputs:
      has_new_release: ${{ steps.new_release_check.outputs.has_new_release }}
      version_to_release: ${{ steps.n8n_version.outputs.version_to_release }}

    steps:
      - name: 👀 Get the latest Codely n8n custom image stable release
        id: custom_image_release
        uses: pozetroninc/github-action-get-latest-release@v0.8.0
        with:
          repository: CodelyTV/n8n-codely-custom-image
          excludes: prerelease,draft
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: 🆕 Get the latest n8n stable release
        id: n8n_release
        uses: pozetroninc/github-action-get-latest-release@v0.8.0
        with:
          repository: n8n-io/n8n
          excludes: prerelease,draft
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: 🤲 Check if it is a newer n8n release
        id: new_release_check
        run: |
          echo "👀 Latest Codely custom image release: ${{ steps.custom_image_release.outputs.release }}"
          echo "🆕 Latest n8n release: ${{ steps.n8n_release.outputs.release }}"

          custom_version=$(echo "${{ steps.custom_image_release.outputs.release }}" | sed 's/n8n@//g')
          n8n_version=$(echo "${{ steps.n8n_release.outputs.release }}" | sed 's/n8n@//g')

          latest_version=$(echo -e "$custom_version\n$n8n_version" | sort -V | tail -n1)

          if [ "$custom_version" != "$latest_version" ]; then
            echo "has_new_release=true" >> $GITHUB_OUTPUT
            echo "🤩 New release detected! Releasing new custom image version in 1, 2…"
          else
            echo "has_new_release=false" >> $GITHUB_OUTPUT
            echo "👍 Release has not changed or it is previous to the current one. Doing nothing."
          fi

      - name: 🔡 Remove 'n8n@' from release name to get the version
        id: n8n_version
        if: steps.new_release_check.outputs.has_new_release == 'true'
        run: |
          version_to_release=$(echo "${{ steps.n8n_release.outputs.release }}" | sed 's/n8n@//g')
          echo "version_to_release=$version_to_release" >> $GITHUB_OUTPUT

  build-and-push-new-docker-image:
    needs: check-new-release
    if: ${{ needs.check-new-release.outputs.has_new_release == 'true' }}
    uses: ./.github/workflows/build-and-push.yml
    secrets: inherit
    with:
      n8n_version: ${{ needs.check-new-release.outputs.version_to_release }}