Update packages #42
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| name: Update packages | |
| # Run periodically, but can also be triggered manually. | |
| on: | |
| schedule: | |
| - cron: 0 14 * * 0 # Every Sunday at 2PM. | |
| workflow_dispatch: | |
| # Only allow one run at a time. | |
| concurrency: | |
| group: ${{ github.workflow }} | |
| # Specify bash to enable `-eo pipefail`. | |
| # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell | |
| defaults: | |
| run: | |
| shell: bash | |
| jobs: | |
| # Get the list of packages to update (has `passthru.updateScript`). | |
| generate-matrix: | |
| name: Get list of packages to update | |
| runs-on: ubuntu-latest | |
| # This workflow should only run on the main branch; running on other | |
| # branches could be useful in some situations, but it might have unexpected | |
| # consequences, so restricting it seems like the safest choice for now. | |
| if: github.ref == 'refs/heads/main' | |
| outputs: | |
| packages: ${{ steps.matrix.outputs.packages }} | |
| steps: | |
| - name: Set up repository | |
| uses: actions/checkout@v4 | |
| - name: Install Nix | |
| uses: DeterminateSystems/nix-installer-action@v6 | |
| - name: Get list of packages to update | |
| id: matrix | |
| run: ./automation.py get-packages-to-update | tee $GITHUB_STEP_SUMMARY | |
| # Update the packages in parallel using a matrix strategy. | |
| update: | |
| name: Update ${{ matrix.package }} | |
| runs-on: ubuntu-latest | |
| needs: generate-matrix | |
| permissions: | |
| pull-requests: write # Write access is needed to create a pull request. | |
| contents: write # Write access is needed to enable auto-merge. | |
| # Skip this entire job if there are no packages to update. | |
| if: needs.generate-matrix.outputs.packages != '[]' | |
| strategy: | |
| matrix: | |
| package: ${{ fromJson(needs.generate-matrix.outputs.packages) }} | |
| fail-fast: false # Keep going if some jobs fail. | |
| steps: | |
| - name: Set up repository | |
| uses: actions/checkout@v4 | |
| with: | |
| # Specifying the deploy key here sets it up to be used for pushing | |
| # later; this is a workaround for GITHUB_TOKEN being unable to trigger | |
| # workflows on push/pull request/etc. | |
| # https://github.com/orgs/community/discussions/25702 | |
| ssh-key: ${{ secrets.DEPLOY_KEY }} | |
| # Commits will be authored by the GitHub Actions bot user. | |
| - name: Set up commit author | |
| run: | | |
| git config user.name github-actions[bot] | |
| git config user.email 41898282+github-actions[bot]@users.noreply.github.com | |
| - name: Install Nix | |
| uses: DeterminateSystems/nix-installer-action@v6 | |
| # This will fail if the branch already exists; since pull requests created | |
| # by this workflow should be auto-merged, an existing branch either means | |
| # the checks for a previous pull request failed or are still running, so | |
| # failing seems like the safest thing to do. | |
| - name: Create branch for pull request | |
| run: git checkout -b auto-update/${{ matrix.package }} | |
| - name: Update ${{ matrix.package }} | |
| run: | | |
| echo \`\`\`\`text >> $GITHUB_STEP_SUMMARY | |
| trap 'echo \`\`\`\` >> $GITHUB_STEP_SUMMARY' EXIT | |
| ./automation.py update-package ${{ matrix.package }} | tee -a $GITHUB_STEP_SUMMARY | |
| env: | |
| # TODO: This token is needed by update scripts that use the `gh` cli, | |
| # but preferably there would be some way to avoid using a token with | |
| # write permissions (just to be safe). | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Create pull request | |
| run: | | |
| # There might not be a commit if everything is already up-to-date. | |
| [[ $(git diff ${{ github.ref_name }}) ]] || exit 0 | |
| # Push the changes. | |
| git push -u origin auto-update/${{ matrix.package }} | |
| # Generate the pull request body. | |
| PR_BODY=$(mktemp) | |
| echo 'This pull request was created automatically by GitHub Actions :)' >> $PR_BODY | |
| echo '<sub>**${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}**</sub>' >> $PR_BODY | |
| # FIXME: updateScript might not always be a bash script! | |
| echo '````bash' >> $PR_BODY | |
| echo '$ nix build '"'.#${{ matrix.package }}.passthru.updateScript'"' && cat ./result' >> $PR_BODY | |
| echo '---' >> $PR_BODY | |
| nix build .#${{ matrix.package }}.passthru.updateScript && cat ./result >> $PR_BODY | |
| echo '````' >> $PR_BODY | |
| # Create the pull request and enable auto-merge. | |
| gh pr merge --auto --rebase --delete-branch $(gh pr create \ | |
| --title "$(git show --no-patch --format=format:%s)" \ | |
| --body-file $PR_BODY \ | |
| --label "automated" --label "package update" \ | |
| ) | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} |