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#!/usr/bin/env node
const jwt = require('jsonwebtoken');
const github = require('@octokit/rest')();
const prettyBytes = require('pretty-bytes');
const fs = require('fs');
const {execSync} = require('child_process');
const SIZE_CHECK_APP_ID = 14028;
const SIZE_CHECK_APP_INSTALLATION_ID = 229425;
const file = process.argv[2];
const label = process.argv[3];
const {size} = fs.statSync(file);
const name = `Size - ${label}`;
process.on('unhandledRejection', error => {
console.log(error);
process.exit(1)
});
const key = Buffer.from(process.env['SIZE_CHECK_APP_PRIVATE_KEY'], 'base64').toString('binary');
const payload = {
exp: Math.floor(Date.now() / 1000) + 60,
iat: Math.floor(Date.now() / 1000),
iss: SIZE_CHECK_APP_ID
};
const token = jwt.sign(payload, key, {algorithm: 'RS256'});
github.authenticate({type: 'app', token});
function getPriorSize() {
const pr = process.env['CIRCLE_PULL_REQUEST'];
if (!pr) {
console.log('No pull request available.');
return Promise.resolve(null);
}
const number = +pr.match(/\/(\d+)\/?$/)[1];
console.log(`Pull request ${number}.`);
return github.pullRequests.get({
owner: 'mapbox',
repo: 'mapbox-gl-native',
number
}).then(({data}) => {
const head = process.env['CIRCLE_SHA1'];
const base = data.base.sha;
console.log(`Pull request target is ${base}.`);
const mergeBase = execSync(`git merge-base ${base} ${head}`).toString().trim();
console.log(`Merge base is ${mergeBase}.`);
return github.checks.listForRef({
owner: 'mapbox',
repo: 'mapbox-gl-native',
ref: mergeBase
});
}).then(({data}) => {
const run = data.check_runs.find(run => run.name === name);
if (!run) {
console.log('No matching check found.');
return Promise.resolve(null);
}
const prior = +run.output.summary.match(/`.*` is (\d+) bytes/)[1];
console.log(`Prior size was ${prettyBytes(prior)}.`);
return prior;
});
}
github.apps.createInstallationToken({installation_id: SIZE_CHECK_APP_INSTALLATION_ID})
.then(({data}) => {
github.authenticate({type: 'token', token: data.token});
getPriorSize().then(prior => {
const title = (() => {
if (prior) {
const change = size - prior;
const percent = (change / prior) * 100;
return `${change >= 0 ? '+' : ''}${prettyBytes(change)} ${percent.toFixed(3)}% (${prettyBytes(size)})`;
} else {
return prettyBytes(size);
}
})();
return github.checks.create({
owner: 'mapbox',
repo: 'mapbox-gl-native',
name: `Size - ${label}`,
head_branch: process.env['CIRCLE_BRANCH'],
head_sha: process.env['CIRCLE_SHA1'],
status: 'completed',
conclusion: 'success',
completed_at: new Date().toISOString(),
output: {
title,
summary: `\`${file}\` is ${size} bytes (${prettyBytes(size)})`
}
});
})
});
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