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97 lines
3.0 KiB
97 lines
3.0 KiB
var path = require('path')
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var github = require('github-from-package')
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var home = require('os-homedir')
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var crypto = require('crypto')
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var expandTemplate = require('expand-template')()
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function getDownloadUrl (opts) {
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var pkgName = opts.pkg.name.replace(/^@\w+\//, '')
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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 || process.env.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'] || 'v'
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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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var packageName = '{name}-v{version}-{runtime}-v{abi}-{platform}{libc}-{arch}.tar.gz'
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var 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 getHostMirrorUrl (opts) {
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var propName = 'npm_config_' + (opts.pkg.name || '').replace(/-/g, '_') + '_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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var digest = crypto.createHash('md5').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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var 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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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.prebuildCache = prebuildCache
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exports.npmCache = npmCache
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exports.tempFile = tempFile
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