448 lines
14 KiB
JavaScript
Executable file
448 lines
14 KiB
JavaScript
Executable file
'use strict'
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const fs = require('graceful-fs')
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const os = require('os')
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const tar = require('tar')
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const path = require('path')
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const crypto = require('crypto')
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const log = require('npmlog')
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const semver = require('semver')
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const request = require('request')
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const processRelease = require('./process-release')
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const win = process.platform === 'win32'
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const getProxyFromURI = require('./proxy')
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function install (fs, gyp, argv, callback) {
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var release = processRelease(argv, gyp, process.version, process.release)
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// ensure no double-callbacks happen
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function cb (err) {
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if (cb.done) {
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return
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}
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cb.done = true
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if (err) {
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log.warn('install', 'got an error, rolling back install')
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// roll-back the install if anything went wrong
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gyp.commands.remove([release.versionDir], function () {
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callback(err)
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})
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} else {
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callback(null, release.version)
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}
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}
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// Determine which node dev files version we are installing
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log.verbose('install', 'input version string %j', release.version)
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if (!release.semver) {
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// could not parse the version string with semver
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return callback(new Error('Invalid version number: ' + release.version))
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}
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if (semver.lt(release.version, '0.8.0')) {
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return callback(new Error('Minimum target version is `0.8.0` or greater. Got: ' + release.version))
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}
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// 0.x.y-pre versions are not published yet and cannot be installed. Bail.
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if (release.semver.prerelease[0] === 'pre') {
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log.verbose('detected "pre" node version', release.version)
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if (gyp.opts.nodedir) {
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log.verbose('--nodedir flag was passed; skipping install', gyp.opts.nodedir)
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callback()
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} else {
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callback(new Error('"pre" versions of node cannot be installed, use the --nodedir flag instead'))
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}
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return
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}
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// flatten version into String
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log.verbose('install', 'installing version: %s', release.versionDir)
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// the directory where the dev files will be installed
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var devDir = path.resolve(gyp.devDir, release.versionDir)
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// If '--ensure' was passed, then don't *always* install the version;
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// check if it is already installed, and only install when needed
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if (gyp.opts.ensure) {
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log.verbose('install', '--ensure was passed, so won\'t reinstall if already installed')
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fs.stat(devDir, function (err) {
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if (err) {
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if (err.code === 'ENOENT') {
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log.verbose('install', 'version not already installed, continuing with install', release.version)
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go()
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} else if (err.code === 'EACCES') {
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eaccesFallback(err)
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} else {
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cb(err)
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}
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return
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}
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log.verbose('install', 'version is already installed, need to check "installVersion"')
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var installVersionFile = path.resolve(devDir, 'installVersion')
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fs.readFile(installVersionFile, 'ascii', function (err, ver) {
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if (err && err.code !== 'ENOENT') {
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return cb(err)
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}
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var installVersion = parseInt(ver, 10) || 0
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log.verbose('got "installVersion"', installVersion)
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log.verbose('needs "installVersion"', gyp.package.installVersion)
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if (installVersion < gyp.package.installVersion) {
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log.verbose('install', 'version is no good; reinstalling')
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go()
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} else {
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log.verbose('install', 'version is good')
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cb()
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}
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})
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})
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} else {
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go()
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}
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function getContentSha (res, callback) {
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var shasum = crypto.createHash('sha256')
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res.on('data', function (chunk) {
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shasum.update(chunk)
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}).on('end', function () {
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callback(null, shasum.digest('hex'))
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})
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}
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function go () {
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log.verbose('ensuring nodedir is created', devDir)
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// first create the dir for the node dev files
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fs.mkdir(devDir, { recursive: true }, function (err, created) {
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if (err) {
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if (err.code === 'EACCES') {
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eaccesFallback(err)
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} else {
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cb(err)
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}
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return
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}
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if (created) {
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log.verbose('created nodedir', created)
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}
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// now download the node tarball
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var tarPath = gyp.opts.tarball
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var badDownload = false
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var extractCount = 0
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var contentShasums = {}
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var expectShasums = {}
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// checks if a file to be extracted from the tarball is valid.
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// only .h header files and the gyp files get extracted
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function isValid (path) {
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var isValid = valid(path)
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if (isValid) {
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log.verbose('extracted file from tarball', path)
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extractCount++
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} else {
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// invalid
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log.silly('ignoring from tarball', path)
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}
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return isValid
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}
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// download the tarball and extract!
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if (tarPath) {
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return tar.extract({
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file: tarPath,
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strip: 1,
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filter: isValid,
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cwd: devDir
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}).then(afterTarball, cb)
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}
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try {
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var req = download(gyp, process.env, release.tarballUrl)
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} catch (e) {
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return cb(e)
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}
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// something went wrong downloading the tarball?
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req.on('error', function (err) {
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if (err.code === 'ENOTFOUND') {
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return cb(new Error('This is most likely not a problem with node-gyp or the package itself and\n' +
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'is related to network connectivity. In most cases you are behind a proxy or have bad \n' +
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'network settings.'))
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}
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badDownload = true
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cb(err)
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})
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req.on('close', function () {
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if (extractCount === 0) {
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cb(new Error('Connection closed while downloading tarball file'))
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}
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})
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req.on('response', function (res) {
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if (res.statusCode !== 200) {
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badDownload = true
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cb(new Error(res.statusCode + ' response downloading ' + release.tarballUrl))
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return
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}
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// content checksum
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getContentSha(res, function (_, checksum) {
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var filename = path.basename(release.tarballUrl).trim()
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contentShasums[filename] = checksum
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log.verbose('content checksum', filename, checksum)
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})
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// start unzipping and untaring
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res.pipe(tar.extract({
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strip: 1,
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cwd: devDir,
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filter: isValid
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}).on('close', afterTarball).on('error', cb))
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})
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// invoked after the tarball has finished being extracted
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function afterTarball () {
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if (badDownload) {
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return
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}
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if (extractCount === 0) {
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return cb(new Error('There was a fatal problem while downloading/extracting the tarball'))
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}
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log.verbose('tarball', 'done parsing tarball')
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var async = 0
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if (win) {
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// need to download node.lib
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async++
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downloadNodeLib(deref)
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}
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// write the "installVersion" file
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async++
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var installVersionPath = path.resolve(devDir, 'installVersion')
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fs.writeFile(installVersionPath, gyp.package.installVersion + '\n', deref)
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// Only download SHASUMS.txt if we downloaded something in need of SHA verification
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if (!tarPath || win) {
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// download SHASUMS.txt
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async++
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downloadShasums(deref)
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}
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if (async === 0) {
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// no async tasks required
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cb()
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}
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function deref (err) {
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if (err) {
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return cb(err)
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}
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async--
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if (!async) {
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log.verbose('download contents checksum', JSON.stringify(contentShasums))
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// check content shasums
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for (var k in contentShasums) {
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log.verbose('validating download checksum for ' + k, '(%s == %s)', contentShasums[k], expectShasums[k])
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if (contentShasums[k] !== expectShasums[k]) {
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cb(new Error(k + ' local checksum ' + contentShasums[k] + ' not match remote ' + expectShasums[k]))
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return
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}
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}
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cb()
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}
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}
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}
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function downloadShasums (done) {
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log.verbose('check download content checksum, need to download `SHASUMS256.txt`...')
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log.verbose('checksum url', release.shasumsUrl)
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try {
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var req = download(gyp, process.env, release.shasumsUrl)
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} catch (e) {
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return cb(e)
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}
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req.on('error', done)
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req.on('response', function (res) {
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if (res.statusCode !== 200) {
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done(new Error(res.statusCode + ' status code downloading checksum'))
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return
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}
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var chunks = []
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res.on('data', function (chunk) {
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chunks.push(chunk)
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})
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res.on('end', function () {
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var lines = Buffer.concat(chunks).toString().trim().split('\n')
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lines.forEach(function (line) {
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var items = line.trim().split(/\s+/)
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if (items.length !== 2) {
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return
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}
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// 0035d18e2dcf9aad669b1c7c07319e17abfe3762 ./node-v0.11.4.tar.gz
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var name = items[1].replace(/^\.\//, '')
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expectShasums[name] = items[0]
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})
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log.verbose('checksum data', JSON.stringify(expectShasums))
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done()
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})
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})
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}
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function downloadNodeLib (done) {
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log.verbose('on Windows; need to download `' + release.name + '.lib`...')
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var archs = ['ia32', 'x64', 'arm64']
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var async = archs.length
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archs.forEach(function (arch) {
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var dir = path.resolve(devDir, arch)
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var targetLibPath = path.resolve(dir, release.name + '.lib')
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var libUrl = release[arch].libUrl
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var libPath = release[arch].libPath
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var name = arch + ' ' + release.name + '.lib'
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log.verbose(name, 'dir', dir)
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log.verbose(name, 'url', libUrl)
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fs.mkdir(dir, { recursive: true }, function (err) {
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if (err) {
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return done(err)
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}
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log.verbose('streaming', name, 'to:', targetLibPath)
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try {
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var req = download(gyp, process.env, libUrl, cb)
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} catch (e) {
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return cb(e)
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}
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req.on('error', done)
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req.on('response', function (res) {
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if (res.statusCode === 403 || res.statusCode === 404) {
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if (arch === 'arm64') {
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// Arm64 is a newer platform on Windows and not all node distributions provide it.
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log.verbose(`${name} was not found in ${libUrl}`)
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} else {
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log.warn(`${name} was not found in ${libUrl}`)
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}
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return
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} else if (res.statusCode !== 200) {
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done(new Error(res.statusCode + ' status code downloading ' + name))
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return
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}
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getContentSha(res, function (_, checksum) {
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contentShasums[libPath] = checksum
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log.verbose('content checksum', libPath, checksum)
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})
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var ws = fs.createWriteStream(targetLibPath)
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ws.on('error', cb)
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req.pipe(ws)
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})
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req.on('end', function () { --async || done() })
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})
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})
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} // downloadNodeLib()
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}) // mkdir()
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} // go()
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/**
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* Checks if a given filename is "valid" for this installation.
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*/
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function valid (file) {
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// header files
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var extname = path.extname(file)
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return extname === '.h' || extname === '.gypi'
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}
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/**
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* The EACCES fallback is a workaround for npm's `sudo` behavior, where
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* it drops the permissions before invoking any child processes (like
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* node-gyp). So what happens is the "nobody" user doesn't have
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* permission to create the dev dir. As a fallback, make the tmpdir() be
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* the dev dir for this installation. This is not ideal, but at least
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* the compilation will succeed...
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*/
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function eaccesFallback (err) {
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var noretry = '--node_gyp_internal_noretry'
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if (argv.indexOf(noretry) !== -1) {
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return cb(err)
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}
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var tmpdir = os.tmpdir()
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gyp.devDir = path.resolve(tmpdir, '.node-gyp')
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var userString = ''
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try {
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// os.userInfo can fail on some systems, it's not critical here
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userString = ` ("${os.userInfo().username}")`
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} catch (e) {}
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log.warn('EACCES', 'current user%s does not have permission to access the dev dir "%s"', userString, devDir)
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log.warn('EACCES', 'attempting to reinstall using temporary dev dir "%s"', gyp.devDir)
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if (process.cwd() === tmpdir) {
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log.verbose('tmpdir == cwd', 'automatically will remove dev files after to save disk space')
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gyp.todo.push({ name: 'remove', args: argv })
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}
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gyp.commands.install([noretry].concat(argv), cb)
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}
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}
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function download (gyp, env, url) {
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log.http('GET', url)
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var requestOpts = {
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uri: url,
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headers: {
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'User-Agent': 'node-gyp v' + gyp.version + ' (node ' + process.version + ')',
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Connection: 'keep-alive'
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}
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}
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var cafile = gyp.opts.cafile
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if (cafile) {
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requestOpts.ca = readCAFile(cafile)
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}
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// basic support for a proxy server
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var proxyUrl = getProxyFromURI(gyp, env, url)
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if (proxyUrl) {
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if (/^https?:\/\//i.test(proxyUrl)) {
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log.verbose('download', 'using proxy url: "%s"', proxyUrl)
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requestOpts.proxy = proxyUrl
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} else {
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log.warn('download', 'ignoring invalid "proxy" config setting: "%s"', proxyUrl)
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}
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}
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var req = request(requestOpts)
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req.on('response', function (res) {
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log.http(res.statusCode, url)
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})
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return req
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}
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function readCAFile (filename) {
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// The CA file can contain multiple certificates so split on certificate
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// boundaries. [\S\s]*? is used to match everything including newlines.
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var ca = fs.readFileSync(filename, 'utf8')
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var re = /(-----BEGIN CERTIFICATE-----[\S\s]*?-----END CERTIFICATE-----)/g
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return ca.match(re)
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}
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module.exports = function (gyp, argv, callback) {
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return install(fs, gyp, argv, callback)
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}
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module.exports.test = {
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download: download,
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install: install,
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readCAFile: readCAFile
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}
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module.exports.usage = 'Install node development files for the specified node version.'
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