135 lines
4.4 KiB
JavaScript
135 lines
4.4 KiB
JavaScript
// print a banner telling the user to upgrade npm to latest
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// but not in CI, and not if we're doing that already.
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// Check daily for betas, and weekly otherwise.
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const pacote = require('pacote')
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const ciInfo = require('ci-info')
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const semver = require('semver')
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const chalk = require('chalk')
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const { promisify } = require('util')
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const stat = promisify(require('fs').stat)
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const writeFile = promisify(require('fs').writeFile)
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const { resolve } = require('path')
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const SKIP = Symbol('SKIP')
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const isGlobalNpmUpdate = npm => {
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return npm.flatOptions.global &&
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['install', 'update'].includes(npm.command) &&
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npm.argv.some(arg => /^npm(@|$)/.test(arg))
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}
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// update check frequency
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const DAILY = 1000 * 60 * 60 * 24
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const WEEKLY = DAILY * 7
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// don't put it in the _cacache folder, just in npm's cache
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const lastCheckedFile = npm =>
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resolve(npm.flatOptions.cache, '../_update-notifier-last-checked')
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const checkTimeout = async (npm, duration) => {
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const t = new Date(Date.now() - duration)
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const f = lastCheckedFile(npm)
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// if we don't have a file, then definitely check it.
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const st = await stat(f).catch(() => ({ mtime: t - 1 }))
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return t > st.mtime
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}
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const updateNotifier = async (npm, spec = 'latest') => {
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// never check for updates in CI, when updating npm already, or opted out
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if (!npm.config.get('update-notifier') ||
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isGlobalNpmUpdate(npm) ||
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ciInfo.isCI) {
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return SKIP
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}
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// if we're on a prerelease train, then updates are coming fast
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// check for a new one daily. otherwise, weekly.
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const { version } = npm
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const current = semver.parse(version)
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// if we're on a beta train, always get the next beta
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if (current.prerelease.length) {
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spec = `^${version}`
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}
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// while on a beta train, get updates daily
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const duration = spec !== 'latest' ? DAILY : WEEKLY
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// if we've already checked within the specified duration, don't check again
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if (!(await checkTimeout(npm, duration))) {
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return null
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}
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// if they're currently using a prerelease, nudge to the next prerelease
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// otherwise, nudge to latest.
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const useColor = npm.logColor
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const mani = await pacote.manifest(`npm@${spec}`, {
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// always prefer latest, even if doing --tag=whatever on the cmd
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defaultTag: 'latest',
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...npm.flatOptions,
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}).catch(() => null)
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// if pacote failed, give up
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if (!mani) {
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return null
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}
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const latest = mani.version
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// if the current version is *greater* than latest, we're on a 'next'
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// and should get the updates from that release train.
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// Note that this isn't another http request over the network, because
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// the packument will be cached by pacote from previous request.
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if (semver.gt(version, latest) && spec === 'latest') {
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return updateNotifier(npm, `^${version}`)
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}
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// if we already have something >= the desired spec, then we're done
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if (semver.gte(version, latest)) {
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return null
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}
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// ok! notify the user about this update they should get.
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// The message is saved for printing at process exit so it will not get
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// lost in any other messages being printed as part of the command.
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const update = semver.parse(mani.version)
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const type = update.major !== current.major ? 'major'
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: update.minor !== current.minor ? 'minor'
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: update.patch !== current.patch ? 'patch'
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: 'prerelease'
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const typec = !useColor ? type
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: type === 'major' ? chalk.red(type)
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: type === 'minor' ? chalk.yellow(type)
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: chalk.green(type)
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const oldc = !useColor ? current : chalk.red(current)
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const latestc = !useColor ? latest : chalk.green(latest)
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const changelog = `https://github.com/npm/cli/releases/tag/v${latest}`
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const changelogc = !useColor ? `<${changelog}>` : chalk.cyan(changelog)
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const cmd = `npm install -g npm@${latest}`
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const cmdc = !useColor ? `\`${cmd}\`` : chalk.green(cmd)
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const message = `\nNew ${typec} version of npm available! ` +
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`${oldc} -> ${latestc}\n` +
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`Changelog: ${changelogc}\n` +
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`Run ${cmdc} to update!\n`
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return message
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}
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// only update the notification timeout if we actually finished checking
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module.exports = async npm => {
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const notification = await updateNotifier(npm)
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// dont write the file if we skipped checking altogether
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if (notification === SKIP) {
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return null
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}
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// intentional. do not await this. it's a best-effort update. if this
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// fails, it's ok. might be using /dev/null as the cache or something weird
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// like that.
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writeFile(lastCheckedFile(npm), '').catch(() => {})
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return notification
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}
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