update-didc.yml

# A GitHub Actions workflow that regularly checks for new `didc` releases
# and creates a PR on new versions.
name: didc Update
on:
  schedule:
    # check for new `didc` releases daily at 7:30
    - cron: '30 7 * * *'
  workflow_dispatch:
jobs:
  didc-update:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        # First, check `didc` releases (on the candid repo) for a new version.
      - name: Check new didc version
        id: update
        run: |
          pwd
          find .github/actions
          current_didc_release=$(jq -r '.defaults.build.config.DIDC_VERSION' dfx.json)
          echo "current didc release '$current_didc_release'"

          latest_didc_release=$(curl -sSL https://api.github.com/repos/dfinity/candid/releases/latest | jq .tag_name -r)
          echo "latest didc release '$latest_didc_release'"

          if [ "$current_didc_release" != "$latest_didc_release" ]
          then
            echo didc needs an update
            sudo apt-get update -yy && sudo apt-get install -yy moreutils && command -v sponge
            DIDC_RELEASE="$latest_didc_release" jq '.defaults.build.config.DIDC_VERSION=(env.DIDC_RELEASE)' dfx.json  | sponge dfx.json
            echo "updated=1" >> "$GITHUB_OUTPUT"
            echo "version=$latest_didc_release" >> "$GITHUB_OUTPUT"
          else
            echo "updated=0" >> "$GITHUB_OUTPUT"
          fi

          jq '.defaults.build.config.DIDC_VERSION' dfx.json
          echo "Git status:"
          git status
          echo "Changes:"
          git diff
        # If `dfx.json` was updated, create a PR.
      - name: Create Pull Request
        if: ${{ steps.update.outputs.updated == '1' }}
        uses: peter-evans/create-pull-request@v4
        with:
          token: ${{ secrets.GIX_BOT_PAT }}
          base: main
          # Note: Please be careful when updating the add-paths field.  We have had the snsdemo committed by accident, with a pattern that matches nothing seemingly committing everything.
          add-paths: dfx.json
          commit-message: Update didc release
          committer: GitHub <noreply@github.com>
          author: gix-bot <gix-bot@users.noreply.github.com>
          branch: bot-didc-update
          branch-suffix: timestamp
          delete-branch: true
          title: 'Update didc release to ${{ steps.update.outputs.version }}'
          body: |
            # Motivation
            A newer version of `didc` is available.

            # Changes
            ## Changes made by a bot triggered by ${{ github.actor }}
            - Update the version of `didc` specified in `dfx.json`.

            ## Changes made by a human (delete if inapplicable)

            # Tests
            - CI contains tests that detect most breaking changes in `didc`.
            - [ ] Please check [the didc release notes](https://github.com/dfinity/candid/releases) (if any).
            - [ ] Please check [the didc git history](https://github.com/dfinity/candid/commits/master/tools/didc) (if reasonably short and understandable).
          # Since this is a scheduled job, a failure won't be shown on any
          # PR status. To notify the team, we send a message to our Slack channel on failure.
      - name: Notify Slack on failure
        uses: dfinity/internet-identity/.github/actions/slack@release-2023-08-28
        if: ${{ failure() }}
        with:
          WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
          MESSAGE: "didc update failed"