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SizeComment

SizeComment #962

Workflow file for this run

name: SizeComment
# spell-checker:ignore zizmor backquote
on:
workflow_run:
workflows: ["make"]
types:
- completed # zizmor: ignore[dangerous-triggers]
permissions: {}
jobs:
post-comment:
permissions:
actions: read # to list workflow runs artifacts
pull-requests: write # to comment on pr
runs-on: ubuntu-latest
if: >
github.event.workflow_run.event == 'pull_request'
steps:
- name: 'Download artifact'
uses: actions/github-script@v9
with:
script: |
// List all artifacts from the make workflow run
var artifacts = await github.rest.actions.listWorkflowRunArtifacts({
owner: context.repo.owner,
repo: context.repo.repo,
run_id: ${{ github.event.workflow_run.id }},
});
// Download the "size-comment" artifact, which contains a PR
// number (NR) and result.txt produced by compare_size_results.py.
var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
return artifact.name == "size-comment"
})[0];
if (!matchArtifact) {
core.info("No size-comment artifact found; nothing to post.");
return;
}
var download = await github.rest.actions.downloadArtifact({
owner: context.repo.owner,
repo: context.repo.repo,
artifact_id: matchArtifact.id,
archive_format: 'zip',
});
var fs = require('fs');
fs.writeFileSync('${{ github.workspace }}/size-comment.zip', Buffer.from(download.data));
- name: 'Unzip artifact'
run: |
if [ -f size-comment.zip ]; then
unzip size-comment.zip
fi
- name: 'Comment on PR'
uses: actions/github-script@v9
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
script: |
const fs = require('fs');
if (!fs.existsSync('./NR') || !fs.existsSync('./result.txt')) {
core.info("No size comment payload to post.");
return;
}
const issue_number = Number(fs.readFileSync('./NR'));
if (!issue_number) {
core.info("No PR number; skipping.");
return;
}
const content = fs.readFileSync('./result.txt').toString();
const marker = '<!-- size-comment-bot -->';
const body = `${marker}\nBinary size comparison:\n\`\`\`\n${content}\`\`\``;
const { data: comments } = await github.rest.issues.listComments({
...context.repo,
issue_number
});
const existing = comments.find(c =>
c.user.login === 'github-actions[bot]' &&
c.body.includes(marker)
);
if (existing) {
await github.rest.issues.updateComment({
...context.repo,
comment_id: existing.id,
body
});
} else {
// Only comment when there is something meaningful to say.
// compare_size_results.py only writes the file when there is a
// significant change, so an empty/short body is treated as
// "nothing to report".
if (content.trim().length == 0) {
return;
}
await github.rest.issues.createComment({
...context.repo,
issue_number,
body
});
}