update-flake.yaml

name: "Update flake"

on:
  workflow_dispatch:
  push:
    branches:
      - "main"
    paths:
      - ".github/workflows/update-flake.yaml"
  schedule:
    # rebuild everyday at 2:51
    # TIP: Choose a random time here so not all repositories are build at once:
    # https://www.random.org/clock-times/?num=1&earliest=01%3A00&latest=08%3A00&interval=5&format=html&rnd=new
    - cron:  '31 2 * * 5'

permissions:
  contents: write

jobs:
  sync-flake:
    runs-on: ubuntu-latest
    environment: flake
    steps:
      - name: Install nix
        uses: cachix/install-nix-action@v26
        with:
          nix_path: nixpkgs=channel:nixpkgs-unstable
          extra_nix_config: |
            experimental-features = nix-command flakes
            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}

      - name: Checkout
        uses: actions/checkout@v4
        with:
          show-progress: false
          token:  ${{ secrets.PAT }}

      - name: Setup Git
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git show -s

      - name: Update flake
        run: |
          nix flake update --accept-flake-config
          nix flake info --accept-flake-config

      - name: Update flake
        run: |
          git add .
          git status
          git commit -m "dep: flake update $(date +'%Y-%m-%dT%H:%M:%S')" || exit 0
          git push