# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0

name: Dependency Review

on:
  pull_request:
  merge_group:
    types: [checks_requested]
  workflow_dispatch:
    inputs:
      base_sha:
        description: Base commit SHA to compare
        required: true
        type: string
      head_sha:
        description: Head commit SHA to compare
        required: true
        type: string

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  review:
    name: Dependency Review (informational)
    runs-on: ubuntu-latest
    env:
      BASE_REF: ${{ github.event.pull_request.base.sha || github.event.merge_group.base_sha || inputs.base_sha }}
      HEAD_REF: ${{ github.event.pull_request.head.sha || github.event.merge_group.head_sha || inputs.head_sha }}
    steps:
      - name: Check Dependency Graph availability
        id: preflight
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9
        with:
          script: |
            const shaPattern = /^(?:[0-9a-f]{40}|[0-9a-f]{64})$/i;
            const baseRef = process.env.BASE_REF;
            const headRef = process.env.HEAD_REF;

            if (!shaPattern.test(baseRef) || !shaPattern.test(headRef)) {
              core.setFailed("Dependency Review requires base and head commit SHAs.");
              return;
            }

            try {
              await github.request(
                "GET /repos/{owner}/{repo}/dependency-graph/compare/{basehead}",
                {
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  basehead: `${baseRef}...${headRef}`,
                  headers: {
                    "X-GitHub-Api-Version": "2022-11-28",
                  },
                },
              );
              core.setOutput("available", "true");
            } catch (error) {
              const status = error.status;
              if (status === 403 || status === 404) {
                core.setOutput("available", "false");
                core.warning(
                  `GitHub Dependency Graph is unavailable (HTTP ${status}); Dependency Review is skipped.`,
                );
                await core.summary
                  .addHeading("Dependency Review", 3)
                  .addRaw(`GitHub Dependency Graph is unavailable (HTTP ${status}).`, true)
                  .addRaw(
                    "The informational review will start automatically once the repository feature is available.",
                    true,
                  )
                  .write();
                return;
              }

              const statusSuffix = status ? ` with HTTP ${status}` : "";
              core.setFailed(
                `Dependency Graph preflight failed${statusSuffix}: ${error.message}`,
              );
            }

      - name: Review dependency changes
        if: steps.preflight.outputs.available == 'true'
        uses: actions/dependency-review-action@a1d282b36b6f3519aa1f3fc636f609c47dddb294 # v5.0.0
        with:
          base-ref: ${{ env.BASE_REF }}
          head-ref: ${{ env.HEAD_REF }}
          fail-on-severity: high
          fail-on-scopes: runtime, development, unknown
          warn-only: true
          comment-summary-in-pr: never
          license-check: false
          show-openssf-scorecard: false