Update README.md #68
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| name: Eval | |
| on: | |
| pull_request_target: | |
| push: | |
| # Keep this synced with ci/request-reviews/dev-branches.txt | |
| branches: | |
| - master | |
| - staging | |
| - release-* | |
| - staging-* | |
| - haskell-updates | |
| - python-updates | |
| permissions: | |
| contents: read | |
| jobs: | |
| attrs: | |
| name: Attributes | |
| runs-on: ubuntu-latest | |
| outputs: | |
| mergedSha: ${{ steps.merged.outputs.mergedSha }} | |
| baseSha: ${{ steps.baseSha.outputs.baseSha }} | |
| systems: ${{ steps.systems.outputs.systems }} | |
| steps: | |
| # Important: Because of `pull_request_target`, this doesn't check out the PR, | |
| # but rather the base branch of the PR, which is needed so we don't run untrusted code | |
| - name: Check out the ci directory of the base branch | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| path: base | |
| sparse-checkout: ci | |
| - name: Check if the PR can be merged and get the test merge commit | |
| id: merged | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| GH_EVENT: ${{ github.event_name }} | |
| run: | | |
| case "$GH_EVENT" in | |
| push) | |
| echo "mergedSha=${{ github.sha }}" >> "$GITHUB_OUTPUT" | |
| ;; | |
| pull_request_target) | |
| if mergedSha=$(base/ci/get-merge-commit.sh ${{ github.repository }} ${{ github.event.number }}); then | |
| echo "Checking the merge commit $mergedSha" | |
| echo "mergedSha=$mergedSha" >> "$GITHUB_OUTPUT" | |
| else | |
| # Skipping so that no notifications are sent | |
| echo "Skipping the rest..." | |
| fi | |
| ;; | |
| esac | |
| rm -rf base | |
| - name: Check out the PR at the test merge commit | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| # Add this to _all_ subsequent steps to skip them | |
| if: steps.merged.outputs.mergedSha | |
| with: | |
| ref: ${{ steps.merged.outputs.mergedSha }} | |
| fetch-depth: 2 | |
| path: nixpkgs | |
| - name: Determine base commit | |
| if: github.event_name == 'pull_request_target' && steps.merged.outputs.mergedSha | |
| id: baseSha | |
| run: | | |
| baseSha=$(git -C nixpkgs rev-parse HEAD^1) | |
| echo "baseSha=$baseSha" >> "$GITHUB_OUTPUT" | |
| - name: Install Nix | |
| uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30 | |
| if: steps.merged.outputs.mergedSha | |
| - name: Evaluate the list of all attributes and get the systems matrix | |
| id: systems | |
| if: steps.merged.outputs.mergedSha | |
| run: | | |
| nix-build nixpkgs/ci -A eval.attrpathsSuperset | |
| echo "systems=$(<result/systems.json)" >> "$GITHUB_OUTPUT" | |
| - name: Upload the list of all attributes | |
| uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3 | |
| if: steps.merged.outputs.mergedSha | |
| with: | |
| name: paths | |
| path: result/* | |
| outpaths: | |
| name: Outpaths | |
| runs-on: ubuntu-latest | |
| needs: attrs | |
| # Skip this and future steps if the PR can't be merged | |
| if: needs.attrs.outputs.mergedSha | |
| strategy: | |
| matrix: | |
| system: ${{ fromJSON(needs.attrs.outputs.systems) }} | |
| steps: | |
| - name: Download the list of all attributes | |
| uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8 | |
| with: | |
| name: paths | |
| path: paths | |
| - name: Check out the PR at the test merge commit | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| ref: ${{ needs.attrs.outputs.mergedSha }} | |
| path: nixpkgs | |
| - name: Install Nix | |
| uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30 | |
| - name: Evaluate the ${{ matrix.system }} output paths for all derivation attributes | |
| env: | |
| MATRIX_SYSTEM: ${{ matrix.system }} | |
| run: | | |
| nix-build nixpkgs/ci -A eval.singleSystem \ | |
| --argstr evalSystem "$MATRIX_SYSTEM" \ | |
| --arg attrpathFile ./paths/paths.json \ | |
| --arg chunkSize 10000 | |
| # If it uses too much memory, slightly decrease chunkSize | |
| - name: Upload the output paths and eval stats | |
| uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3 | |
| if: needs.attrs.outputs.mergedSha | |
| with: | |
| name: intermediate-${{ matrix.system }} | |
| path: result/* | |
| process: | |
| name: Process | |
| runs-on: ubuntu-latest | |
| needs: [ outpaths, attrs ] | |
| outputs: | |
| baseRunId: ${{ steps.baseRunId.outputs.baseRunId }} | |
| steps: | |
| - name: Download output paths and eval stats for all systems | |
| uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8 | |
| with: | |
| pattern: intermediate-* | |
| path: intermediate | |
| - name: Check out the PR at the test merge commit | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| ref: ${{ needs.attrs.outputs.mergedSha }} | |
| path: nixpkgs | |
| - name: Install Nix | |
| uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30 | |
| - name: Combine all output paths and eval stats | |
| run: | | |
| nix-build nixpkgs/ci -A eval.combine \ | |
| --arg resultsDir ./intermediate \ | |
| -o prResult | |
| - name: Upload the combined results | |
| uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3 | |
| with: | |
| name: result | |
| path: prResult/* | |
| - name: Get base run id | |
| if: needs.attrs.outputs.baseSha | |
| id: baseRunId | |
| run: | | |
| # Get the latest eval.yml workflow run for the PR's base commit | |
| if ! run=$(gh api --method GET /repos/"$REPOSITORY"/actions/workflows/eval.yml/runs \ | |
| -f head_sha="$BASE_SHA" \ | |
| --jq '.workflow_runs | sort_by(.run_started_at) | .[-1]') \ | |
| || [[ -z "$run" ]]; then | |
| echo "Could not find an eval.yml workflow run for $BASE_SHA, cannot make comparison" | |
| exit 0 | |
| fi | |
| echo "Comparing against $(jq .html_url <<< "$run")" | |
| runId=$(jq .id <<< "$run") | |
| conclusion=$(jq -r .conclusion <<< "$run") | |
| while [[ "$conclusion" == null ]]; do | |
| echo "Workflow not done, waiting 10 seconds before checking again" | |
| sleep 10 | |
| conclusion=$(gh api /repos/"$REPOSITORY"/actions/runs/"$runId" --jq '.conclusion') | |
| done | |
| if [[ "$conclusion" != "success" ]]; then | |
| echo "Workflow was not successful, cannot make comparison" | |
| exit 0 | |
| fi | |
| echo "baseRunId=$runId" >> "$GITHUB_OUTPUT" | |
| env: | |
| REPOSITORY: ${{ github.repository }} | |
| BASE_SHA: ${{ needs.attrs.outputs.baseSha }} | |
| GH_TOKEN: ${{ github.token }} | |
| - uses: actions/download-artifact@v4 | |
| if: steps.baseRunId.outputs.baseRunId | |
| with: | |
| name: result | |
| path: baseResult | |
| github-token: ${{ github.token }} | |
| run-id: ${{ steps.baseRunId.outputs.baseRunId }} | |
| - name: Compare against the base branch | |
| if: steps.baseRunId.outputs.baseRunId | |
| run: | | |
| nix-build nixpkgs/ci -A eval.compare \ | |
| --arg beforeResultDir ./baseResult \ | |
| --arg afterResultDir ./prResult \ | |
| -o comparison | |
| # TODO: Request reviews from maintainers for packages whose files are modified in the PR | |
| - name: Upload the combined results | |
| if: steps.baseRunId.outputs.baseRunId | |
| uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3 | |
| with: | |
| name: comparison | |
| path: comparison/* | |
| # Separate job to have a very tightly scoped PR write token | |
| tag: | |
| name: Tag | |
| runs-on: ubuntu-latest | |
| needs: process | |
| if: needs.process.outputs.baseRunId | |
| permissions: | |
| pull-requests: write | |
| steps: | |
| - name: Download process result | |
| uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8 | |
| with: | |
| name: comparison | |
| path: comparison | |
| - name: Tagging pull request | |
| run: | | |
| # Get all currently set rebuild labels | |
| gh api \ | |
| /repos/"$REPOSITORY"/issues/"$NUMBER"/labels \ | |
| --jq '.[].name | select(startswith("10.rebuild"))' \ | |
| | sort > before | |
| # And the labels that should be there | |
| jq -r '.labels[]' comparison/changed-paths.json \ | |
| | sort > after | |
| # Remove the ones not needed anymore | |
| while read -r toRemove; do | |
| echo "Removing label $toRemove" | |
| gh api \ | |
| --method DELETE \ | |
| /repos/"$REPOSITORY"/issues/"$NUMBER"/labels/"$toRemove" | |
| done < <(comm -23 before after) | |
| # And add the ones that aren't set already | |
| while read -r toAdd; do | |
| echo "Adding label $toAdd" | |
| gh api \ | |
| --method POST \ | |
| /repos/"$REPOSITORY"/issues/"$NUMBER"/labels \ | |
| -f "labels[]=$toAdd" | |
| done < <(comm -13 before after) | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| REPOSITORY: ${{ github.repository }} | |
| NUMBER: ${{ github.event.number }} |