evergreen.yml

name: evergreen

on:
  schedule:
  - cron: '30 09 * * *'
  workflow_dispatch:

concurrency: evergreen

permissions:
  contents: write
 
jobs:
  evergreen:
    runs-on: ubuntu-latest
    steps:
      - name: Clone 
        uses: actions/checkout@v4
        with:
          persist-credentials: 'true'
      - uses: DeterminateSystems/nix-installer-action@main
      - uses: DeterminateSystems/magic-nix-cache-action@main
      - name: Update nix flake
        run: nix flake update
      - name: Push changes
        id: push
        run: |
          if [[ `git status flake.lock --porcelain` ]]; then
            git config user.name github-actions
            git config user.email github-actions@github.com
            git add flake.lock
            git commit -m "bot: nix flake update"
            git push
            echo "trigger_build=1" >> $GITHUB_OUTPUT
          else
            echo "flake.lock is not changed..."
            echo "trigger_build=0" >> $GITHUB_OUTPUT
          fi
      - name: Trigger build
        uses: actions/github-script@v7
        if: steps.push.outputs.trigger_build == '1'
        with:
          script: |
            github.rest.repos.createDispatchEvent({
              owner: context.repo.owner,
              repo: context.repo.repo,
              event_type: 'build',
            });