home-assistant-automations-workflow.yaml

name: commit new automations and write llm generated commit message

on: [workflow_dispatch]

jobs:
  update-automations-llm-commit-message:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        repository: jkpe/automations
        path: automations-repo
        token: ${{ secrets.REPO_TOKEN }}

    - name: Checkout home repository
      uses: actions/checkout@v4
      with:
        path: home
        token: ${{ secrets.REPO_TOKEN }}

    - name: Copy automations.yaml
      run: |
        cp automations-repo/automations.yaml home/home-assistant/automations.yaml

    - name: Install llm via pip/uvicorn
      run: |
        curl -LsSf https://astral.sh/uv/install.sh | sh
        uv venv
        echo "VIRTUAL_ENV=.venv" >> $GITHUB_ENV
        echo "$PWD/.venv/bin" >> $GITHUB_PATH
        source .venv/bin/activate
        uv pip install llm

    - name: Generate commit message with llm
      id: generate_commit_message
      run: |
        cd home/home-assistant
        echo "commit_message"=$(git diff -U200 automations.yaml | llm -m gpt-4o --no-stream -s "Given the git diff provided, write a git commit message for the changes in the Home Assistant automations.yaml file. The commit message should only comment on the specific automation that has changed. An individual automation starts just below the mode: of the previous automation and is identified by its id. Each automation always ends with a mode:. Include the automation ID in the output. Just return text, no formatting." --key ${{ secrets.openaikey }}) >> $GITHUB_ENV

    - name: Commit changes
      run: |
        cd home/home-assistant
        git config --global user.name "github-actions[bot]"
        git config --global user.email "github-actions[bot]@users.noreply.github.com"
        git add automations.yaml
        git commit -m "$commit_message"
        git push
      env:
        GITHUB_TOKEN: ${{ secrets.REPO_TOKEN }}

    - name: Get latest release tag
      id: get_latest_release
      run: |
        cd home/home-assistant
        git fetch --tags
        latest_tag=$(git describe --tags `git rev-list --tags --max-count=1`)
        echo "::set-output name=latest_tag::$latest_tag"

    - name: Create new release
      run: |
        cd home/home-assistant
        latest_tag=${{ steps.get_latest_release.outputs.latest_tag }}
        IFS='.' read -r -a version_parts <<< "$latest_tag"

        # Get current year and month
        current_year=$(date +%Y)
        current_month=$(date +%m)

        year=${version_parts[0]}
        month=${version_parts[1]}
        version=${version_parts[2]}

        if [ "$current_year" -ne "$year" ] || [ "$current_month" -ne "$month" ]; then
          new_version="01"
          new_tag="$current_year.$current_month.$new_version"
        else
          new_version=$(printf "%02d" $((10#$version + 1)))
          new_tag="$year.$month.$new_version"
        fi

        git tag $new_tag
        git push origin $new_tag

        # Fetch commit messages
        commits=$(git log --pretty=format:"%h - %s" $latest_tag..HEAD)
        release_notes=$(printf "Automated release for $new_tag\n\nCommits:\n$commits")

        # Create release
        gh release create $new_tag --title "$new_tag" --notes "$release_notes"
      env:
        GITHUB_TOKEN: ${{ secrets.REPO_TOKEN }}
        GH_TOKEN: ${{ secrets.REPO_TOKEN }}