update.yml

name: Auto Update

on:
  #schedule:
  #  - cron:  '0 0 * * *'
  workflow_dispatch:

env:
  REF_CORE: development-v6
  REF_WEB: development-v6
  REF_FTL: development-v6
# @TODO when v6 is released these should be set to master

jobs:
  check:
    concurrency: check
    runs-on: ubuntu-latest
    continue-on-error: true

    outputs:
      CORE_HASH:  ${{ steps.new-hashes.outputs.CORE_HASH }}
      WEB_HASH:  ${{ steps.new-hashes.outputs.WEB_HASH }}
      FTL_HASH:  ${{ steps.new-hashes.outputs.FTL_HASH }}

    steps:
      - name: Checkout own repository
        uses: actions/checkout@v4

      - name: Checkout pi-hole/pi-hole repository
        uses: actions/checkout@v4
        with:
          repository: pi-hole/pi-hole
          ref: ${{ env.REF_CORE }}
          path: ./dev/core

      - name: Checkout pi-hole/web repository
        uses: actions/checkout@v4
        with:
          repository: pi-hole/web
          ref: ${{ env.REF_WEB }}
          path: ./dev/web

      - name: Checkout pi-hole/FTL repository
        uses: actions/checkout@v4
        with:
          repository: pi-hole/FTL
          ref: ${{ env.REF_FTL }}
          path: ./dev/FTL

      - name: Set old hashes
        id: old-hashes
        run: |
          echo "CORE_HASH=$(sed -n "s/^  REF_CORE: \([[:alnum:]_-]*\).*$/\1/p" ./.github/workflows/build.yml)" >> $GITHUB_OUTPUT
          echo "WEB_HASH=$(sed -n "s/^  REF_WEB: \([[:alnum:]_-]*\).*$/\1/p" ./.github/workflows/build.yml)" >> $GITHUB_OUTPUT
          echo "FTL_HASH=$(sed -n "s/^  REF_FTL: \([[:alnum:]_-]*\).*$/\1/p" ./.github/workflows/build.yml)" >> $GITHUB_OUTPUT

      - name: Set new hashes
        id: new-hashes
        run: |
          echo "CORE_HASH=$(git -C "./dev/core" rev-parse --abbrev-ref HEAD)" >> $GITHUB_OUTPUT
          echo "WEB_HASH=$(git -C "./dev/web" rev-parse --abbrev-ref HEAD)" >> $GITHUB_OUTPUT
          echo "FTL_HASH=$(git -C "./dev/FTL" rev-parse --abbrev-ref HEAD)" >> $GITHUB_OUTPUT

      - name: Hashes for pi-hole/pi-hole are different
        if: ${{ steps.old-hashes.outputs.CORE_HASH == steps.new-hashes.outputs.CORE_HASH }}
        run: exit 1

      - name: Hashes for pi-hole/web are different
        if: ${{ steps.old-hashes.outputs.WEB_HASH == steps.new-hashes.outputs.WEB_HASH }}
        run: exit 1

      - name: Hashes for pi-hole/FTL are different
        if: ${{ steps.old-hashes.outputs.FTL_HASH == steps.new-hashes.outputs.FTL_HASH }}
        run: exit 1

      - name: Apply patches (core)
        id: patch-core
        uses: ./.github/actions/patch
        with:
          patches_prefix: core
          git_path: ./dev/core

      - name: Apply patches (web)
        id: patch-web
        uses: ./.github/actions/patch
        with:
          patches_prefix: web
          git_path: ./dev/web

      - name: Apply patches (FTL)
        id: patch-FTL
        uses: ./.github/actions/patch
        with:
          patches_prefix: FTL
          git_path: ./dev/FTL

  update:
    concurrency: update
    needs: [check]
    if: ${{ needs.check.result == 'success' }}
    runs-on: ubuntu-latest
    continue-on-error: true

    #permissions:
    #  contents: write

    steps:
      - name: Checkout own repository
        uses: actions/checkout@v4

      - name: Replace refs in build workflow
        run: |
          sed 's/  REF_CORE:.*$/  REF_CORE: ${{ needs.check.outputs.CORE_HASH }}/' -i ./.github/workflows/build.yml
          sed 's/  REF_WEB:.*$/  REF_WEB: ${{ needs.check.outputs.WEB_HASH }}/' -i ./.github/workflows/build.yml
          sed 's/  REF_FTL:.*$/  REF_FTL: ${{ needs.check.outputs.FTL_HASH }}/' -i ./.github/workflows/build.yml

      - name: Is repository modified?
        id: modified
        run: |
          echo "RESULT=$([ "git diff" != "" ] && echo yes || echo no)" >> $GITHUB_OUTPUT

      - name: Create tag
        if: ${{ steps.modified.outputs.RESULT == 'yes' }}
        id: tag
        run: echo "RESULT=$(bash ./scripts/tag.sh)" >> $GITHUB_OUTPUT

      - name: Echo tag
        run: echo ${{ steps.tag.outputs.RESULT }}

      #- name: Commit and Push changes
      #  if: ${{ steps.tag.outputs.RESULT != '' }}
      #  uses: uses: stefanzweifel/git-auto-commit-action@v5
      #  with:
      #    commit_message: 'Automatic update to ${{ steps.tag.outputs.RESULT }}'
      #    file_pattern: ./.github/workflow/build.yml
      #    tagging_message: ${{ steps.tag.outputs.RESULT }}
      #    push_options: --dry-run