dependency-update.yml

# Generated and maintained by the exasol-toolbox.
# Last generated with exasol-toolbox version 9.0.0.
name: Dependency Update

on:
  schedule:
    # Every Monday at 03:00 UTC
    - cron: "0 3 * * 1"
  workflow_dispatch:

jobs:
  dependency-update:
    name: Dependency Update
    runs-on: "ubuntu-24.04"
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Check out Repository
        id: check-out-repository
        uses: actions/checkout@v6
        with:
          persist-credentials: true
          fetch-depth: 0

      - name: Fail if not running on the default branch
        id: check-branch
        if: github.ref != format('refs/heads/{0}', github.event.repository.default_branch)
        env:
          CURRENT_BRANCH: ${{ github.ref }}
        run: |
          echo "Not running on the default branch. Current ref is: $CURRENT_BRANCH"
          exit 1

      - name: Set up Python & Poetry Environment
        id: set-up-python-and-poetry-environment
        uses: exasol/python-toolbox/.github/actions/python-environment@v10
        with:
          python-version: "3.10"
          poetry-version: "2.3.0"

      - name: Configure git
        id: configure-git
        run: |
          git config --global user.email "opensource@exasol.com"
          git config --global user.name "Automatic Dependency Updater"

      - name: Create branch
        id: create-branch
        run: |
          branch_name="dependency-update/$(date "+%Y-%m-%d")"
          echo "Creating branch $branch_name"
          git switch -C "$branch_name"

      - name: Record current commit
        id: record-current-commit
        run: |
          echo "head_sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"

      - name: Update Dependencies
        id: update-dependencies
        env:
          VULNERABILITIES_UPDATE_REPORT_PATH: vulnerabilities.json
        run: |
          poetry self add poetry-plugin-export
          poetry run -- nox -s vulnerabilities:update

      - name: Check for New Commit
        id: check-for-new-commit
        env:
          PRE_UPDATE_HEAD_SHA: ${{ steps.record-current-commit.outputs.head_sha }}
        run: |
          if [ "$(git rev-parse HEAD)" = "$PRE_UPDATE_HEAD_SHA" ]; then
            echo "changed=false" >> "$GITHUB_OUTPUT"
          else
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Push Changes
        id: publish-branch
        if: steps.check-for-new-commit.outputs.changed == 'true'
        run: |
          branch_name=$(git rev-parse --abbrev-ref HEAD)
          git push --set-upstream origin "$branch_name"

      - name: Create Pull Request
        id: create-pr
        if: steps.check-for-new-commit.outputs.changed == 'true'
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          BASE_BRANCH=$(gh repo view --json defaultBranchRef -q .defaultBranchRef.name)
          DEPENDENCY_UPDATE_REPORT="$(cat "$VULNERABILITIES_UPDATE_REPORT_PATH")"

          PR_BODY="Automated dependency update for \`poetry.lock\`.
          This PR was created by the workflow \`dependency-update.yml\`

          Remaining vulnerable dependencies after the automated update:
          \`\`\`json
          ${DEPENDENCY_UPDATE_REPORT}
          \`\`\`

          Please perform the following actions on a locally checked out branch:
          - [ ] Execute \`poetry run -- nox -s workflow:generate -- all\`
          "

          PR_URL=$(gh pr create \
                      --base "$BASE_BRANCH" \
                      --label "security" \
                      --title "Update dependencies to fix vulnerabilities ($(date '+%Y-%m-%d'))" \
                      --body "$PR_BODY")

          echo "pr_url=$PR_URL" >> "$GITHUB_OUTPUT"

      - name: Report New Pull Request to Slack Channel
        id: report-pr-slack
        if: ${{ steps.create-pr.outputs.pr_url }}
        uses: ravsamhq/notify-slack-action@be814b201e233b2dc673608aa46e5447c8ab13f2 # 2.5.0
        with:
          status: '${{ job.status }}'
          token: '${{ secrets.GITHUB_TOKEN }}'
          notification_title: 'Dependency update for {repo} created a Pull Request'
          message_format: '{workflow} created Pull Request ${{ steps.create-pr.outputs.pr_url }}'
        env:
          SLACK_WEBHOOK_URL: '${{ secrets.INTEGRATION_TEAM_SECURITY_UPDATES_WEBHOOK }}'