Post Benchmark Comment #81

	name: Post Benchmark Comment

	on:
	workflow_run:
	workflows: ["Benchmarks"]
	types:
	- completed

	jobs:
	comment:
	name: Post benchmark comment
	runs-on: ubuntu-latest
	if: github.event.workflow_run.conclusion == 'success'

	steps:
	- name: Download comment artifact
	uses: actions/download-artifact@v4
	with:
	name: perfcheck-comment
	path: perfcheck-comment
	run-id: ${{ github.event.workflow_run.id }}
	github-token: ${{ secrets.GITHUB_TOKEN }}

	- name: Post or update comment
	uses: actions/github-script@v7
	with:
	script: \|
	const fs = require('fs');

	const commentBody = fs.readFileSync('perfcheck-comment/comment-body.md', 'utf8');
	const prNumber = parseInt(fs.readFileSync('perfcheck-comment/pr-number.txt', 'utf8').trim(), 10);

	// Find existing comment
	const { data: comments } = await github.rest.issues.listComments({
	owner: context.repo.owner,
	repo: context.repo.repo,
	issue_number: prNumber,
	});

	const botComment = comments.find(c =>
	c.user.type === 'Bot' && c.body.includes('## ⏱️ Benchmark Results')
	);

	if (botComment) {
	// Update existing comment
	await github.rest.issues.updateComment({
	owner: context.repo.owner,
	repo: context.repo.repo,
	comment_id: botComment.id,
	body: commentBody,
	});
	console.log(`Updated comment ${botComment.id} on PR #${prNumber}`);
	} else {
	// Create new comment
	const { data: newComment } = await github.rest.issues.createComment({
	owner: context.repo.owner,
	repo: context.repo.repo,
	issue_number: prNumber,
	body: commentBody,
	});
	console.log(`Created comment ${newComment.id} on PR #${prNumber}`);
	}

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