update.yaml

name: Nix Flake and Submodule Update

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:
    inputs:
      update_submodule:
        description: "Update submodule"
        required: true
        default: "true"
      update_flake:
        description: "Update flake"
        required: true
        default: "true"
      create_pr:
        description: "Create or update PR"
        required: true
        default: "true"

permissions:
  contents: write
  pull-requests: write

env:
  PR_BRANCH: "automated-flake-and-submodule-update"
  PR_LABEL: "automated-update"

jobs:
  update-flake-and-submodule:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: "recursive"
          fetch-depth: 0

      - name: Debug Info
        run: |
          echo "GitHub event name: ${{ github.event_name }}"
          echo "Update submodule: ${{ github.event.inputs.update_submodule }}"
          echo "Update flake: ${{ github.event.inputs.update_flake }}"
          echo "Create PR: ${{ github.event.inputs.create_pr }}"

      - name: Check for existing PR
        if: github.event.inputs.create_pr == 'true' || github.event_name == 'schedule'
        id: check_pr
        uses: actions/github-script@v7
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            console.log("Checking for existing PR");
            const prs = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              head: `${context.repo.owner}:${process.env.PR_BRANCH}`
            });
            console.log(`Found ${prs.data.length} potential PRs`);
            for (const pr of prs.data) {
              const labels = pr.labels.map(label => label.name);
              console.log(`PR #${pr.number} labels: ${labels.join(', ')}`);
              if (labels.includes(process.env.PR_LABEL)) {
                console.log(`Existing automated PR found: #${pr.number}`);
                await github.rest.pulls.update({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  pull_number: pr.number,
                  state: 'closed'
                });
                console.log(`Closed PR #${pr.number}`);
                break;
              }
            }

      - name: Update submodule
        if: github.event.inputs.update_submodule == 'true' || github.event_name == 'schedule'
        run: |
          echo "Updating submodule"
          git config user.name github-actions
          git config user.email github-actions@github.com
          git checkout -b ${{ env.PR_BRANCH }}
          git submodule update --remote config/nvim/astro
          git add config/nvim/astro
          git diff --cached --exit-code || (git commit -m "chore(deps): update astro nvim submodule" && echo "Submodule changes committed")
          echo "Submodule update complete"

      - name: Install Nix
        if: github.event.inputs.update_flake == 'true' || github.event_name == 'schedule'
        uses: cachix/install-nix-action@v27

      - name: Update flake.lock
        if: github.event.inputs.update_flake == 'true' || github.event_name == 'schedule'
        run: |
          echo "Updating flake.lock"
          nix flake update --accept-flake-config
          git add flake.lock
          git diff --cached --exit-code || (git commit -m "chore(deps): update flake.lock" && echo "Flake.lock changes committed")
          echo "Flake.lock update complete"

      - name: Create Pull Request
        if: github.event.inputs.create_pr == 'true' || github.event_name == 'schedule'
        uses: peter-evans/create-pull-request@v6
        with:
          commit-message: "chore(deps): update flake.lock and astro nvim submodule"
          title: "chore(deps): update flake.lock and astro nvim submodule"
          body: |
            This is an automated PR to update `flake.lock` to the latest versions and update the 'config/nvim/astro' submodule.

            Please review the changes and merge if everything looks good.
          branch: ${{ env.PR_BRANCH }}
          base: "main"
          labels: |
            ${{ env.PR_LABEL }}

      - name: PR Creation Result
        if: github.event.inputs.create_pr == 'true' || github.event_name == 'schedule'
        run: |
          echo "PR creation step completed"
          echo "If no PR was created, check if there were any changes to commit"