update-to-latest.yaml

on:
  schedule:
    - cron: '30 5 * * 2'
  workflow_dispatch:

jobs:
  n8n_latest_release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      
      - name: Get latest n8n version
        id: n8n_latest_version
        run: |
          latest_release=$(curl -s https://docs.n8n.io/release-notes/ | grep -oE "latest.*[0-9]+\.[0-9]+\.[0-9]+" | awk -F '[: ]' '{print $3}')
          echo "::set-output name=latest_release::$latest_release"

      - name: Check actual version
        id: check_version
        run: echo "::set-output name=actual_version::$(grep -oP '(?<=ARG N8N_VERSION=)[0-9]+\.[0-9]+\.[0-9]+' Dockerfile)"

      - name: Check if update is needed
        id: check_update
        run: echo "::set-output name=update_needed::$(test ${{ steps.check_version.outputs.actual_version }} != ${{ steps.n8n_latest_version.outputs.latest_release }} && echo true || echo false)"

      - name: update n8n version in Dockerfile
        if: steps.check_update.outputs.update_needed == 'true'
        run: |
          sed -i "s/N8N_VERSION=.*/N8N_VERSION=${{ steps.n8n_latest_version.outputs.latest_release }}/g" Dockerfile

      - name: update addon configuration in config.json
        if: steps.check_update.outputs.update_needed == 'true'
        run: |
          actual_config=$(cat config.json | jq -r ".version" | awk -F"." '{print $3}')
          new_config=$((actual_config+1))
          actual_version=$(cat config.json | jq -r ".version" | awk -F"." '{print $1"."$2}')
          new_version="${actual_version}.${new_config}"
          jq ".version = \"${new_version}\"" config.json > config.json.tmp && mv config.json.tmp config.json
          sed -i "s/## \[Unreleased\]/## \[Unreleased\]\n\n## [ ${new_version} ] - $(date +%Y-%m-%d) \n\n Bump n8n to ${{ steps.n8n_latest_version.outputs.latest_release }}/g" CHANGELOG.md


      - name: update CHANGELOG.md
        if: steps.check_update.outputs.update_needed == 'true'
        run: |
          

      - name: create pull request
        if: steps.check_update.outputs.update_needed == 'true'
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.CR_PAT }}
          commit-message: Update n8n to ${{ steps.n8n_latest_version.outputs.latest_release }}
          title: Update n8n to ${{ steps.n8n_latest_version.outputs.latest_release }}
          body: |
            Update n8n to ${{ steps.n8n_latest_version.outputs.latest_release }}
          branch: update-n8n-${{ steps.n8n_latest_version.outputs.latest_release }}
          labels: |
            n8n
            update