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Comment Results

Comment Results #8

name: Comment Results
# SECURITY: workflow_run trigger = elevated permissions, no fork code access
on:
workflow_run:
workflows: ["Aztec Benchmark"]
types:
- completed
permissions:
contents: read
pull-requests: write # Elevated permissions for commenting
jobs:
comment:
name: Comment results
runs-on: ubuntu-latest
if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
steps:
# SECURITY: Never checkout PR code in this workflow
# This job has elevated permissions but only handles trusted artifacts
- name: Download benchmark results
id: download-results
uses: actions/github-script@v8
with:
script: |
// Download benchmark results artifact
const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
owner: context.repo.owner,
repo: context.repo.repo,
run_id: ${{ github.event.workflow_run.id }},
});
const benchmarkArtifact = artifacts.data.artifacts.find(artifact =>
artifact.name === 'benchmark-results'
);
if (benchmarkArtifact) {
const download = await github.rest.actions.downloadArtifact({
owner: context.repo.owner,
repo: context.repo.repo,
artifact_id: benchmarkArtifact.id,
archive_format: 'zip',
});
const fs = require('fs');
fs.writeFileSync('benchmark-results.zip', Buffer.from(download.data));
console.log('Downloaded benchmark results artifact');
} else {
console.log('No benchmark results found - likely skipped due to no relevant changes');
core.setOutput('has-results', 'false');
return;
}
core.setOutput('has-results', 'true');
- name: Extract benchmark results
if: steps.download-results.outputs.has-results == 'true'
id: extract-results
run: |
unzip -q benchmark-results.zip
if [[ -f benchmark-comparison.md ]]; then
echo "results-available=true" >> $GITHUB_OUTPUT
echo "Found benchmark comparison results"
else
echo "results-available=false" >> $GITHUB_OUTPUT
echo "No benchmark comparison file found"
fi
- name: Download PR metadata
uses: actions/github-script@v8
with:
script: |
// Download PR metadata artifact
const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
owner: context.repo.owner,
repo: context.repo.repo,
run_id: ${{ github.event.workflow_run.id }},
});
const metadataArtifact = artifacts.data.artifacts.find(artifact =>
artifact.name === 'pr-metadata'
);
if (metadataArtifact) {
const download = await github.rest.actions.downloadArtifact({
owner: context.repo.owner,
repo: context.repo.repo,
artifact_id: metadataArtifact.id,
archive_format: 'zip',
});
const fs = require('fs');
fs.writeFileSync('pr-metadata.zip', Buffer.from(download.data));
console.log('Downloaded PR metadata artifact');
} else {
throw new Error('PR metadata artifact not found');
}
- name: Extract PR number
id: extract-pr
run: |
unzip -q pr-metadata.zip
PR_NUMBER=$(cat pr-number.txt)
echo "pr-number=$PR_NUMBER" >> $GITHUB_OUTPUT
echo "Found PR number: $PR_NUMBER"
- name: Comment results
if: steps.extract-results.outputs.results-available == 'true'
uses: peter-evans/create-or-update-comment@v5
with:
issue-number: ${{ steps.extract-pr.outputs.pr-number }}
body-file: benchmark-comparison.md