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module.exports = update
update.usage = 'npm update [-g] [<pkg>...]'
var url = require('url')
var log = require('npmlog')
var chain = require('slide').chain
var npm = require('./npm.js')
var Installer = require('./install.js').Installer
update.completion = npm.commands.outdated.completion
function update (args, cb) {
var dryrun = false
if (npm.config.get('dry-run')) dryrun = true
npm.commands.outdated(args, true, function (er, rawOutdated) {
if (er) return cb(er)
var outdated = rawOutdated.map(function (ww) {
return {
dep: ww[0],
depname: ww[1],
current: ww[2],
wanted: ww[3],
latest: ww[4],
req: ww[5],
what: ww[1] + '@' + ww[3]
}
})
var wanted = outdated.filter(function (ww) {
if (ww.current === ww.wanted && ww.wanted !== ww.latest) {
log.verbose(
'outdated',
'not updating', ww.depname,
"because it's currently at the maximum version that matches its specified semver range"
)
}
return ww.current !== ww.wanted
})
if (wanted.length === 0) return cb()
log.info('outdated', 'updating', wanted)
var toInstall = {}
wanted.forEach(function (ww) {
// use the initial installation method (repo, tar, git) for updating
if (url.parse(ww.req).protocol) ww.what = ww.req
var where = ww.dep.parent && ww.dep.parent.path || ww.dep.path
if (toInstall[where]) {
toInstall[where].push(ww.what)
} else {
toInstall[where] = [ww.what]
}
})
chain(Object.keys(toInstall).map(function (where) {
return [new Installer(where, dryrun, toInstall[where]), 'run']
}), cb)
})
}