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+/* eslint-disable node/no-deprecated-api */
+
+'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|arm64)\//
+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 libUrlArm64
+ 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)
+ libUrlArm64 = resolveLibUrl(name, defaultRelease.libUrl || baseUrl || distBaseUrl, 'arm64', 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)
+ libUrlArm64 = resolveLibUrl(name, baseUrl, 'arm64', 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))
+ },
+ arm64: {
+ libUrl: libUrlArm64,
+ libPath: normalizePath(path.relative(url.parse(baseUrl).path, url.parse(libUrlArm64).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 === 'x86' ? '' : arch + '/') + 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