check-deps.yaml

name: "Check dependencies"

on:
  schedule:
    - cron: "42 * * * *"
  workflow_dispatch:

jobs:
  check:
    name: "Check"
    runs-on: ubuntu-latest

    steps:
    - name: "Cache last result"
      uses: actions/cache@v3
      with:
        path: last.txt
        key: ${{ runner.os }}-check-deps-v1.0

    - name: "Lookup libcamera0 version"
      id: libcamera0_version
      uses: OctoPrint/actions/latest-apt-version@main
      with:
        package: libcamera0
        url: http://archive.raspberrypi.org/debian/dists/bullseye/main/binary-armhf/Packages
    
    - name: "Create new result"
      id: new_result
      run: |
        touch last.txt
        echo "libcamera0: ${{ steps.libcamera0_version.outputs.version }}" > new.txt
        
        same=$(diff last.txt new.txt > /dev/null && echo "same" || echo "different")
        echo "same=$same" >> "$GITHUB_OUTPUT"

        cp new.txt last.txt
        cat last.txt
    
    - name: "Trigger build if there is a new version"
      if: ${{ steps.new_result.outputs.same == 'different' }}
      uses: benc-uk/workflow-dispatch@v1
      with:
        workflow: build_revision.yaml