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'use strict'
const semver = require('semver')
const url = require('url')
const path = require('path')
const log = require('npmlog')
// versions where -headers.tar.gz started shipping
const headersTarballRange = '>= 3.0.0 || ~0.12.10 || ~0.10.42'
const bitsre = /\/win-(x86|x64)\//
const bitsreV3 = /\/win-(x86|ia32|x64)\// // io.js v3.x.x shipped with "ia32" but should
// have been "x86"
// Captures all the logic required to determine download URLs, local directory and
// file names. Inputs come from command-line switches (--target, --dist-url),
// `process.version` and `process.release` where it exists.
function processRelease (argv, gyp, defaultVersion, defaultRelease) {
var version = (semver.valid(argv[0]) && argv[0]) || gyp.opts.target || defaultVersion
var versionSemver = semver.parse(version)
var overrideDistUrl = gyp.opts['dist-url'] || gyp.opts.disturl
var isDefaultVersion
var isNamedForLegacyIojs
var name
var distBaseUrl
var baseUrl
var libUrl32
var libUrl64
var tarballUrl
var canGetHeaders
if (!versionSemver) {
// not a valid semver string, nothing we can do
return { version: version }
}
// flatten version into String
version = versionSemver.version
// defaultVersion should come from process.version so ought to be valid semver
isDefaultVersion = version === semver.parse(defaultVersion).version
// can't use process.release if we're using --target=x.y.z
if (!isDefaultVersion) {
defaultRelease = null
}
if (defaultRelease) {
// v3 onward, has process.release
name = defaultRelease.name.replace(/io\.js/, 'iojs') // remove the '.' for directory naming purposes
} else {
// old node or alternative --target=
// semver.satisfies() doesn't like prerelease tags so test major directly
isNamedForLegacyIojs = versionSemver.major >= 1 && versionSemver.major < 4
// isNamedForLegacyIojs is required to support Electron < 4 (in particular Electron 3)
// as previously this logic was used to ensure "iojs" was used to download iojs releases
// and "node" for node releases. Unfortunately the logic was broad enough that electron@3
// published release assets as "iojs" so that the node-gyp logic worked. Once Electron@3 has
// been EOL for a while (late 2019) we should remove this hack.
name = isNamedForLegacyIojs ? 'iojs' : 'node'
}
// check for the nvm.sh standard mirror env variables
if (!overrideDistUrl && process.env.NODEJS_ORG_MIRROR) {
overrideDistUrl = process.env.NODEJS_ORG_MIRROR
}
if (overrideDistUrl) {
log.verbose('download', 'using dist-url', overrideDistUrl)
}
if (overrideDistUrl) {
distBaseUrl = overrideDistUrl.replace(/\/+$/, '')
} else {
distBaseUrl = 'https://nodejs.org/dist'
}
distBaseUrl += '/v' + version + '/'
// new style, based on process.release so we have a lot of the data we need
if (defaultRelease && defaultRelease.headersUrl && !overrideDistUrl) {
baseUrl = url.resolve(defaultRelease.headersUrl, './')
libUrl32 = resolveLibUrl(name, defaultRelease.libUrl || baseUrl || distBaseUrl, 'x86', versionSemver.major)
libUrl64 = resolveLibUrl(name, defaultRelease.libUrl || baseUrl || distBaseUrl, 'x64', versionSemver.major)
tarballUrl = defaultRelease.headersUrl
} else {
// older versions without process.release are captured here and we have to make
// a lot of assumptions, additionally if you --target=x.y.z then we can't use the
// current process.release
baseUrl = distBaseUrl
libUrl32 = resolveLibUrl(name, baseUrl, 'x86', versionSemver.major)
libUrl64 = resolveLibUrl(name, baseUrl, 'x64', versionSemver.major)
// making the bold assumption that anything with a version number >3.0.0 will
// have a *-headers.tar.gz file in its dist location, even some frankenstein
// custom version
canGetHeaders = semver.satisfies(versionSemver, headersTarballRange)
tarballUrl = url.resolve(baseUrl, name + '-v' + version + (canGetHeaders ? '-headers' : '') + '.tar.gz')
}
return {
version: version,
semver: versionSemver,
name: name,
baseUrl: baseUrl,
tarballUrl: tarballUrl,
shasumsUrl: url.resolve(baseUrl, 'SHASUMS256.txt'),
versionDir: (name !== 'node' ? name + '-' : '') + version,
ia32: {
libUrl: libUrl32,
libPath: normalizePath(path.relative(url.parse(baseUrl).path, url.parse(libUrl32).path))
},
x64: {
libUrl: libUrl64,
libPath: normalizePath(path.relative(url.parse(baseUrl).path, url.parse(libUrl64).path))
}
}
}
function normalizePath (p) {
return path.normalize(p).replace(/\\/g, '/')
}
function resolveLibUrl (name, defaultUrl, arch, versionMajor) {
var base = url.resolve(defaultUrl, './')
var hasLibUrl = bitsre.test(defaultUrl) || (versionMajor === 3 && bitsreV3.test(defaultUrl))
if (!hasLibUrl) {
// let's assume it's a baseUrl then
if (versionMajor >= 1) {
return url.resolve(base, 'win-' + arch + '/' + name + '.lib')
}
// prior to io.js@1.0.0 32-bit node.lib lives in /, 64-bit lives in /x64/
return url.resolve(base, (arch === 'x64' ? 'x64/' : '') + name + '.lib')
}
// else we have a proper url to a .lib, just make sure it's the right arch
return defaultUrl.replace(versionMajor === 3 ? bitsreV3 : bitsre, '/win-' + arch + '/')
}
module.exports = processRelease
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