Update flake #99
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| # GitHub Actions workflow to automate updating the Nix flake.lock file | |
| # Triggered manually or every 4 hours via cron schedule | |
| # Steps: | |
| # 1. **SSH Agent Setup**: Uses `webfactory/ssh-agent` to set up SSH access with deploy keys (ensure the deploy key is added to the repository settings) | |
| # 2. **Checkout Repository**: Checks out the repository using `actions/checkout` | |
| # 3. **Install Nix**: Installs Nix with `DeterminateSystems/nix-installer-action` | |
| # 4. **Update flake.lock**: Updates the `flake.lock` file using `DeterminateSystems/update-flake-lock`, creating or updating a pull request with specified commit message, PR body, title, and labels | |
| # 5. **Create Compare URLs**: If a pull request is created or updated, runs a script using `actions/github-script` to add a comment with compare URLs | |
| # Notes: | |
| # - Secrets (`secrets.GH_ACTIONS` and `secrets.TESTING`) are used for authentication | |
| # - `nix-options` includes the GitHub token for accessing private repositories | |
| name: Update flake | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: "0 */4 * * *" # Every 4 hours | |
| pull_request: | |
| types: [opened, synchronize] | |
| # types: [ assigned, unassigned, labeled, unlabeled, opened, edited, closed, reopened, synchronize, converted_to_draft, locked, unlocked, ready_for_review, review_requested, review_request_removed, auto_merge_enabled, auto_merge_disabled ] | |
| branches: [main, testing] | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| jobs: | |
| lockfile: | |
| runs-on: ubuntu-latest # The operating system to run the job on | |
| steps: | |
| - name: Access private repository | |
| uses: webfactory/ssh-agent@master | |
| with: | |
| ssh-private-key: ${{ secrets.GH_ACTIONS }} | |
| - name: Checkout main repository | |
| uses: actions/checkout@main # The action to checkout the repository | |
| with: | |
| token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Create a cache of the Nix store | |
| uses: actions/cache@main | |
| with: | |
| path: /nix/store | |
| key: ${{ runner.os }}-nix-${{ hashFiles('flake.lock') }} | |
| restore-keys: | | |
| ${{ runner.os }}-nix- | |
| - name: Install Nix | |
| uses: DeterminateSystems/nix-installer-action@main | |
| - name: Check linting | |
| id: check-formatting | |
| run: nix run nixpkgs#nixpkgs-fmt -- --check . | |
| continue-on-error: true | |
| - name: Format files | |
| if: ${{ steps.check-formatting.outcome == 'failure' }} | |
| run: | | |
| nix run nixpkgs#nixpkgs-fmt . | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| git add . | |
| git commit -m "style: automatic formatting by nixpkgs-fmt" | |
| - name: Set formatting message | |
| if: ${{ steps.check-formatting.outcome == 'failure' }} | |
| run: echo "NIXFMT_MESSAGE=Changes were automatically formatted by nixpkgs-fmt." >> $GITHUB_ENV | |
| - name: Update flake.lock | |
| uses: DeterminateSystems/update-flake-lock@main # The action to update the flake.lock file | |
| id: update-flake-lock | |
| with: | |
| commit-msg: "🧹 chore(flake.lock): update" | |
| pr-body: | | |
| ``` | |
| {{ env.GIT_COMMIT_MESSAGE }} | |
| ``` | |
| pr-title: "🧹 chore(flake.lock): update" | |
| pr-labels: auto-merge | |
| nix-options: "--access-tokens github.com=${{ secrets.BOT_PAT }}" | |
| token: ${{ secrets.GITHUB_TOKEN }} # Use GITHUB_TOKEN for PR operations | |
| - name: Create compare URLs | |
| uses: actions/github-script@main # The action to run a script using the GitHub API | |
| if: steps.update-flake-lock.outputs.pull-request-operation == 'created' || steps.update-flake-lock.outputs.pull-request-operation == 'updated' | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| const comment = require('.github/scripts/comment') | |
| const compare = require('.github/scripts/compare') | |
| const urls = await compare({ core }) | |
| if (!urls?.length) { | |
| return | |
| } | |
| const header = "# Compare URLs" | |
| const body = urls.map((url) => `- ${url}`).join("\n") | |
| const issueNumber = parseInt(process.env.PULL_REQUEST_NUMBER, 10) | |
| if (Number.isNaN(issueNumber)) { | |
| return | |
| } | |
| await comment({ github, context, header, body, issueNumber }) | |
| - name: Auto-merge GitHub bot PRs | |
| if: ${{ steps.update-flake-lock.outputs.pull-request-url != '' }} | |
| run: | | |
| if [ -n "$PR_URL" ]; then | |
| gh pr merge --auto --merge "$PR_URL" | |
| else | |
| echo "PR_URL is not set!" | |
| fi | |
| env: | |
| PR_URL: ${{ steps.update-flake-lock.outputs.pull-request-url }} | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} |