flake-auto-update.yml

name: Auto update

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

jobs:
  auto-update:
    runs-on: ubuntu-latest

    permissions:
      # Give the default GITHUB_TOKEN write permission to commit and push the
      # added or changed files to the repository.
      contents: write

    steps:
      - uses: actions/checkout@v4

      - uses: cachix/install-nix-action@v25
        with:
          github_access_token: ${{ secrets.GITHUB_TOKEN }}

      # Other steps that change files in the repository
      - run : nix flake update

      # Commit all changed files back to the repository
      - uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: Auto update