144 lines
4.2 KiB
JavaScript
144 lines
4.2 KiB
JavaScript
const path = require('path')
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const github = require('github-from-package')
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const home = require('os').homedir
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const crypto = require('crypto')
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const expandTemplate = require('expand-template')()
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function getDownloadUrl (opts) {
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const pkgName = opts.pkg.name.replace(/^@[a-zA-Z0-9_\-.~]+\//, '')
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return expandTemplate(urlTemplate(opts), {
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name: pkgName,
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package_name: pkgName,
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version: opts.pkg.version,
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major: opts.pkg.version.split('.')[0],
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minor: opts.pkg.version.split('.')[1],
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patch: opts.pkg.version.split('.')[2],
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prerelease: opts.pkg.version.split('-')[1],
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build: opts.pkg.version.split('+')[1],
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abi: opts.abi || process.versions.modules,
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node_abi: process.versions.modules,
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runtime: opts.runtime || 'node',
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platform: opts.platform,
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arch: opts.arch,
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libc: opts.libc || '',
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configuration: (opts.debug ? 'Debug' : 'Release'),
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module_name: opts.pkg.binary && opts.pkg.binary.module_name,
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tag_prefix: opts['tag-prefix']
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})
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}
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function getApiUrl (opts) {
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return github(opts.pkg).replace('github.com', 'api.github.com/repos') + '/releases'
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}
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function getAssetUrl (opts, assetId) {
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return getApiUrl(opts) + '/assets/' + assetId
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}
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function urlTemplate (opts) {
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if (typeof opts.download === 'string') {
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return opts.download
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}
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const packageName = '{name}-v{version}-{runtime}-v{abi}-{platform}{libc}-{arch}.tar.gz'
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const hostMirrorUrl = getHostMirrorUrl(opts)
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if (hostMirrorUrl) {
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return hostMirrorUrl + '/{tag_prefix}{version}/' + packageName
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}
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if (opts.pkg.binary && opts.pkg.binary.host) {
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return [
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opts.pkg.binary.host,
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opts.pkg.binary.remote_path,
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opts.pkg.binary.package_name || packageName
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].map(function (path) {
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return trimSlashes(path)
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}).filter(Boolean).join('/')
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}
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return github(opts.pkg) + '/releases/download/{tag_prefix}{version}/' + packageName
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}
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function getEnvPrefix (pkgName) {
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return 'npm_config_' + (pkgName || '').replace(/[^a-zA-Z0-9]/g, '_').replace(/^_/, '')
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}
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function getHostMirrorUrl (opts) {
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const propName = getEnvPrefix(opts.pkg.name) + '_binary_host'
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return process.env[propName] || process.env[propName + '_mirror']
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}
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function trimSlashes (str) {
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if (str) return str.replace(/^\.\/|^\/|\/$/g, '')
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}
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function cachedPrebuild (url) {
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const digest = crypto.createHash('sha512').update(url).digest('hex').slice(0, 6)
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return path.join(prebuildCache(), digest + '-' + path.basename(url).replace(/[^a-zA-Z0-9.]+/g, '-'))
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}
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function npmCache () {
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const env = process.env
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return env.npm_config_cache || (env.APPDATA ? path.join(env.APPDATA, 'npm-cache') : path.join(home(), '.npm'))
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}
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function prebuildCache () {
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return path.join(npmCache(), '_prebuilds')
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}
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function tempFile (cached) {
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return cached + '.' + process.pid + '-' + Math.random().toString(16).slice(2) + '.tmp'
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}
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function packageOrigin (env, pkg) {
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// npm <= 6: metadata is stored on disk in node_modules
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if (pkg._from) {
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return pkg._from
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}
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// npm 7: metadata is exposed to environment by arborist
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if (env.npm_package_from) {
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// NOTE: seems undefined atm (npm 7.0.2)
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return env.npm_package_from
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}
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if (env.npm_package_resolved) {
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// NOTE: not sure about the difference with _from, but it's all we have
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return env.npm_package_resolved
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}
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}
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function localPrebuild (url, opts) {
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const propName = getEnvPrefix(opts.pkg.name) + '_local_prebuilds'
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const prefix = process.env[propName] || opts['local-prebuilds'] || 'prebuilds'
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return path.join(prefix, path.basename(url))
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}
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const noopLogger = {
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http: function () {},
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silly: function () {},
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debug: function () {},
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info: function () {},
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warn: function () {},
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error: function () {},
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critical: function () {},
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alert: function () {},
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emergency: function () {},
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notice: function () {},
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verbose: function () {},
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fatal: function () {}
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}
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exports.getDownloadUrl = getDownloadUrl
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exports.getApiUrl = getApiUrl
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exports.getAssetUrl = getAssetUrl
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exports.urlTemplate = urlTemplate
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exports.cachedPrebuild = cachedPrebuild
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exports.localPrebuild = localPrebuild
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exports.prebuildCache = prebuildCache
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exports.npmCache = npmCache
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exports.tempFile = tempFile
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exports.packageOrigin = packageOrigin
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exports.noopLogger = noopLogger
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