update-datadog-dependency.yml

name: Update Datadog upstream dependency

on:
  schedule:
    # Every day at 09:15 UTC
    - cron: '15 9 * * *'
  workflow_dispatch:
    inputs:
      upstream_branch:
        description: 'Branch in StackVista/datadog-agent-upstream-for-process-agent to track'
        required: false
        default: 'stackstate-7.62.2'

permissions:
  contents: write
  pull-requests: write

jobs:
  update-dependency:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0

      - name: Setup Go
        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
        with:
          # Use the Go version from go.mod
          go-version-file: go.mod
          cache: true

      - name: Ensure jq is available
        run: |
          set -euo pipefail
          if ! command -v jq >/dev/null 2>&1; then
            sudo apt-get update
            sudo apt-get install -y jq
          fi

      - name: Run updater script
        id: update
        shell: bash
        run: |
          set -euo pipefail
          # Use provided input if present; otherwise default to the configured default value
          BRANCH='${{ github.event.inputs.upstream_branch }}'
          if [ -z "$BRANCH" ]; then BRANCH='stackstate-7.62.2'; fi
          COMMIT=$(git ls-remote https://github.com/StackVista/datadog-agent-upstream-for-process-agent.git "${BRANCH}" | tail -n 1 | awk '{print $1}')
          echo "Upstream branch: $BRANCH, commit: $COMMIT"
          if [ -z "$COMMIT" ]; then
            echo "Could not resolve commit for branch '$BRANCH'" >&2
            exit 1
          fi

          SHORT_COMMIT=$(echo "$COMMIT" | cut -c1-12)
          COMMIT_URL="https://github.com/StackVista/datadog-agent-upstream-for-process-agent/commit/${COMMIT}"
          echo "branch=$BRANCH" >> "$GITHUB_OUTPUT"
          echo "commit=$COMMIT" >> "$GITHUB_OUTPUT"
          echo "short_commit=$SHORT_COMMIT" >> "$GITHUB_OUTPUT"
          echo "commit_url=$COMMIT_URL" >> "$GITHUB_OUTPUT"

          chmod +x ./update-datadog-dependency.sh
          ./update-datadog-dependency.sh -b "$BRANCH"

          # Detect whether anything changed (e.g., go.mod / go.sum / others)
          if git diff --quiet; then
            echo "changed=false" >> "$GITHUB_OUTPUT"
          else
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Create pull request if changes detected
        if: steps.update.outputs.changed == 'true'
        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
        with:
          title: |
            chore: update datadog-agent upstream (${{ steps.update.outputs.branch }}) -> ${{ steps.update.outputs.short_commit }}
          commit-message: |
            chore: update datadog-agent upstream to ${{ steps.update.outputs.commit }} (branch ${{ steps.update.outputs.branch }})
          body: |
            This automated PR updates all github.com/DataDog/datadog-agent module replaces to the upstream mirror at the latest commit.

            • Branch: `${{ steps.update.outputs.branch }}`
            • Commit: `${{ steps.update.outputs.commit }}`
            • Link: ${{ steps.update.outputs.commit_url }}

            Command executed:
            `./update-datadog-dependency.sh -b "${{ steps.update.outputs.branch }}"`

            Re-run this workflow with a different `upstream_branch` to refresh the PR.
          branch: update-datadog-${{ steps.update.outputs.short_commit }}
          delete-branch: true

      - name: No updates needed
        if: steps.update.outputs.changed != 'true'
        run: echo "No dependency updates detected; skipping PR creation."