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45 lines
1.3 KiB
45 lines
1.3 KiB
9 years ago
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'use strict'
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var validate = require('aproba')
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var asyncMap = require('slide').asyncMap
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var chain = require('slide').chain
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var npmInstallChecks = require('npm-install-checks')
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var checkEngine = npmInstallChecks.checkEngine
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var checkPlatform = npmInstallChecks.checkPlatform
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var npm = require('../npm.js')
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module.exports = function (idealTree, args, next) {
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validate('OAF', arguments)
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var force = npm.config.get('force')
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asyncMap(args, function (pkg, done) {
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chain([
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[checkSelf, idealTree, pkg, force],
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[isInstallable, pkg]
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], done)
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}, next)
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}
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var isInstallable = module.exports.isInstallable = function (pkg, next) {
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var force = npm.config.get('force')
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var nodeVersion = npm.config.get('node-version')
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var strict = npm.config.get('engine-strict')
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chain([
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[checkEngine, pkg, npm.version, nodeVersion, force, strict],
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[checkPlatform, pkg, force]
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], next)
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}
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function checkSelf (idealTree, pkg, force, next) {
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if (idealTree.package.name !== pkg.name) return next()
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if (force) {
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var warn = new Error("Wouldn't install " + pkg.name + ' as a dependency of itself, but being forced')
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warn.code = 'ENOSELF'
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idealTree.warnings.push(warn)
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next()
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} else {
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var er = new Error('Refusing to install ' + pkg.name + ' as a dependency of itself')
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er.code = 'ENOSELF'
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next(er)
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}
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}
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