workflows/nixpkgs-review: init

.github/workflows/nixpkgs-review.yml

@@ -0,0 +1,86 @@
+# This workflow allows a contributor to run nixpkgs-review in their own fork, using
+# their own allocated Github Actions runners.
+# To get started, make sure that the master branch of your fork contains this workflow.
+# Then:
+# - Go to Actions -> A run of nixpkgs-review
+# - Click "Run workflow"
+# - Enter the upstream pull request number
+# - Click "Run workflow"
+
+# Note, this begins with "A" on purpose, to make it appear at the top of the list
+# of workflows for convenience.
+name: "A run of nixpkgs-review"
+
+on:
+  workflow_dispatch:
+    inputs:
+      pr:
+        description: Nixpkgs PR Number
+        required: true
+
+run-name: "nixpkgs-review for #${{ inputs.pr }}"
+
+permissions: {}
+
+jobs:
+  nixpkgs-review:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - runner: macos-14
+            system: aarch64-darwin
+          - runner: macos-13
+            system: x86_64-darwin
+          # TODO: Add aarch64-linux once https://github.com/github/roadmap/issues/970 is available.
+          - runner: ubuntu-24.04
+            system: x86_64-linux
+
+    name: "#${{ inputs.pr }} @ ${{ matrix.system }}"
+    runs-on: ${{ matrix.runner }}
+    env:
+      PR_NUMBER: ${{ inputs.pr }}
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
+
+      - name: Collect debug info
+        run: |
+          echo Running nixpkgs-review version:
+          # Using nixpkgs channel instead of local checkout to avoid having to keep
+          # a the fork's master branch up to date.
+          nix run 'nixpkgs#nixpkgs-review' -- --version
+
+      - name: Run nixpkgs-review
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          mkdir report-${{ matrix.system }}
+          nix run 'nixpkgs#nixpkgs-review' -- \
+            pr --print-result \
+               --run 'mv logs report.json report.md "${{ github.workspace }}"/report-${{ matrix.system }}' \
+               --systems current \
+               "$PR_NUMBER"
+
+      - name: Upload report
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
+        with:
+          name: report-${{ matrix.system }}
+          path: report-${{ matrix.system }}
+
+  summary:
+    name: "#${{ inputs.pr }} summary"
+    needs: nixpkgs-review
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Download reports
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+
+      - name: Post step summary
+        run: |
+          for folder in report-*; do
+              csplit --prefix="$folder-" -n1 "$folder/report.md" "/---/"
+          done
+          cat report-x86_64-linux-0 >> "$GITHUB_STEP_SUMMARY"
+          cat report-*-1 >> "$GITHUB_STEP_SUMMARY"