'use strict'

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const BB = require('bluebird')

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const assert = require('assert')

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const chain = require('slide').chain

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const detectIndent = require('detect-indent')

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const detectNewline = require('detect-newline')

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const fs = require('graceful-fs')

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const readFile = BB.promisify(require('graceful-fs').readFile)

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const git = require('./utils/git.js')

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const lifecycle = require('./utils/lifecycle.js')

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const log = require('npmlog')

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const npm = require('./npm.js')

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const output = require('./utils/output.js')

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const parseJSON = require('./utils/parse-json.js')

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const path = require('path')

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const semver = require('semver')

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const stringifyPackage = require('stringify-package')

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const writeFileAtomic = require('write-file-atomic')

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version.usage = 'npm version [<newversion> | major | minor | patch | premajor | preminor | prepatch | prerelease [--preid=<prerelease-id>] | from-git]' +

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'\n(run in package dir)\n' +

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"'npm -v' or 'npm --version' to print npm version " +

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'(' + npm.version + ')\n' +

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"'npm view <pkg> version' to view a package's " +

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'published version\n' +

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"'npm ls' to inspect current package/dependency versions"

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// npm version <newver>

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module.exports = version

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function version (args, silent, cb_) {

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if (typeof cb_ !== 'function') {

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cb_ = silent

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silent = false

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}

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if (args.length > 1) return cb_(version.usage)

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readPackage(function (er, data, indent, newline) {

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if (!args.length) return dump(data, cb_)

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if (er) {

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log.error('version', 'No valid package.json found')

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return cb_(er)

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}

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if (args[0] === 'from-git') {

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retrieveTagVersion(silent, data, cb_)

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} else {

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var newVersion = semver.valid(args[0])

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if (!newVersion) newVersion = semver.inc(data.version, args[0], npm.config.get('preid'))

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if (!newVersion) return cb_(version.usage)

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persistVersion(newVersion, silent, data, cb_)

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}

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})

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}

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function retrieveTagVersion (silent, data, cb_) {

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chain([

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verifyGit,

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parseLastGitTag

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], function (er, results) {

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if (er) return cb_(er)

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var localData = {

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hasGit: true,

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existingTag: true

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}

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var version = results[results.length - 1]

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persistVersion(version, silent, data, localData, cb_)

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})

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}

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function parseLastGitTag (cb) {

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var options = { env: process.env }

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git.whichAndExec(['describe', '--abbrev=0'], options, function (er, stdout) {

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if (er) {

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if (er.message.indexOf('No names found') !== -1) return cb(new Error('No tags found'))

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return cb(er)

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}

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var tag = stdout.trim()

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var prefix = npm.config.get('tag-version-prefix')

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// Strip the prefix from the start of the tag:

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if (tag.indexOf(prefix) === 0) tag = tag.slice(prefix.length)

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var version = semver.valid(tag)

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if (!version) return cb(new Error(tag + ' is not a valid version'))

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cb(null, version)

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})

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}

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function persistVersion (newVersion, silent, data, localData, cb_) {

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if (typeof localData === 'function') {

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cb_ = localData

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localData = {}

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}

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if (!npm.config.get('allow-same-version') && data.version === newVersion) {

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return cb_(new Error('Version not changed, might want --allow-same-version'))

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}

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data.version = newVersion

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var lifecycleData = Object.create(data)

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lifecycleData._id = data.name + '@' + newVersion

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var where = npm.prefix

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chain([

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!localData.hasGit && [checkGit, localData],

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[lifecycle, lifecycleData, 'preversion', where],

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[updatePackage, newVersion, silent],

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[lifecycle, lifecycleData, 'version', where],

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[commit, localData, newVersion],

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[lifecycle, lifecycleData, 'postversion', where]

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], cb_)

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}

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function readPackage (cb) {

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var packagePath = path.join(npm.localPrefix, 'package.json')

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fs.readFile(packagePath, 'utf8', function (er, data) {

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if (er) return cb(new Error(er))

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var indent

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var newline

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try {

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indent = detectIndent(data).indent

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newline = detectNewline(data)

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data = JSON.parse(data)

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} catch (e) {

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er = e

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data = null

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}

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cb(er, data, indent, newline)

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})

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}

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function updatePackage (newVersion, silent, cb_) {

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function cb (er) {

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if (!er && !silent) output('v' + newVersion)

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cb_(er)

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}

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readPackage(function (er, data, indent, newline) {

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if (er) return cb(new Error(er))

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data.version = newVersion

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write(data, 'package.json', indent, newline, cb)

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})

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}

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function commit (localData, newVersion, cb) {

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updateShrinkwrap(newVersion, function (er, hasShrinkwrap, hasLock) {

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if (er || !localData.hasGit) return cb(er)

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localData.hasShrinkwrap = hasShrinkwrap

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localData.hasPackageLock = hasLock

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_commit(newVersion, localData, cb)

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})

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}

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const SHRINKWRAP = 'npm-shrinkwrap.json'

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const PKGLOCK = 'package-lock.json'

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function readLockfile (name) {

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return readFile(

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path.join(npm.localPrefix, name), 'utf8'

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).catch({code: 'ENOENT'}, () => null)

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}

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function updateShrinkwrap (newVersion, cb) {

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BB.join(

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readLockfile(SHRINKWRAP),

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readLockfile(PKGLOCK),

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(shrinkwrap, lockfile) => {

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if (!shrinkwrap && !lockfile) {

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return cb(null, false, false)

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}

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const file = shrinkwrap ? SHRINKWRAP : PKGLOCK

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let data

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let indent

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let newline

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try {

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data = parseJSON(shrinkwrap || lockfile)

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indent = detectIndent(shrinkwrap || lockfile).indent

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newline = detectNewline(shrinkwrap || lockfile)

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} catch (err) {

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log.error('version', `Bad ${file} data.`)

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return cb(err)

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}

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data.version = newVersion

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write(data, file, indent, newline, (err) => {

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if (err) {

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log.error('version', `Failed to update version in ${file}`)

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return cb(err)

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} else {

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return cb(null, !!shrinkwrap, !!lockfile)

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}

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})

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}

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)

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}

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function dump (data, cb) {

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var v = {}

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if (data && data.name && data.version) v[data.name] = data.version

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v.npm = npm.version

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Object.keys(process.versions).sort().forEach(function (k) {

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v[k] = process.versions[k]

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})

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if (npm.config.get('json')) v = JSON.stringify(v, null, 2)

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output(v)

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cb()

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}

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function statGitFolder (cb) {

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fs.stat(path.join(npm.localPrefix, '.git'), cb)

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}

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function callGitStatus (cb) {

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git.whichAndExec(

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[ 'status', '--porcelain' ],

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{ env: process.env },

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cb

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)

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}

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function cleanStatusLines (stdout) {

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var lines = stdout.trim().split('\n').filter(function (line) {

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return line.trim() && !line.match(/^\?\? /)

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}).map(function (line) {

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return line.trim()

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})

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return lines

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}

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function verifyGit (cb) {

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function checkStatus (er) {

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if (er) return cb(er)

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callGitStatus(checkStdout)

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}

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function checkStdout (er, stdout) {

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if (er) return cb(er)

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var lines = cleanStatusLines(stdout)

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if (lines.length > 0) {

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return cb(new Error(

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'Git working directory not clean.\n' + lines.join('\n')

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))

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}

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cb()

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}

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statGitFolder(checkStatus)

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}

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function checkGit (localData, cb) {

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statGitFolder(function (er) {

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var doGit = !er && npm.config.get('git-tag-version')

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if (!doGit) {

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if (er && npm.config.get('git-tag-version')) log.verbose('version', 'error checking for .git', er)

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log.verbose('version', 'not tagging in git')

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return cb(null, false)

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}

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// check for git

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callGitStatus(function (er, stdout) {

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if (er && er.code === 'ENOGIT') {

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log.warn(

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'version',

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'This is a Git checkout, but the git command was not found.',

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'npm could not create a Git tag for this release!'

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)

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return cb(null, false)

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}

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var lines = cleanStatusLines(stdout)

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if (lines.length && !npm.config.get('force')) {

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return cb(new Error(

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'Git working directory not clean.\n' + lines.join('\n')

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))

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}

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localData.hasGit = true

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cb(null, true)

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})

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})

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}

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module.exports.buildCommitArgs = buildCommitArgs

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function buildCommitArgs (args) {

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const add = []

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args = args || []

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if (args[0] === 'commit') args.shift()

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if (!npm.config.get('commit-hooks')) add.push('-n')

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if (npm.config.get('allow-same-version')) add.push('--allow-empty')

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return ['commit', ...add, ...args]

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}

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module.exports.buildTagFlags = buildTagFlags

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function buildTagFlags () {

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return '-'.concat(

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npm.config.get('sign-git-tag') ? 's' : '',

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npm.config.get('allow-same-version') ? 'f' : '',

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'm'

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)

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}

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function _commit (version, localData, cb) {

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const options = { env: process.env }

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const message = npm.config.get('message').replace(/%s/g, version)

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const signCommit = npm.config.get('sign-git-commit')

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const commitArgs = buildCommitArgs([

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'commit',

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...(signCommit ? ['-S', '-m'] : ['-m']),

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message

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])

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stagePackageFiles(localData, options).then(() => {

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return git.exec(commitArgs, options)

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}).then(() => {

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if (!localData.existingTag) {

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return git.exec([

[319] Fix | Delete

'tag', npm.config.get('tag-version-prefix') + version,

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buildTagFlags(), message

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], options)

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}

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}).nodeify(cb)

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}

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function stagePackageFiles (localData, options) {

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return addLocalFile('package.json', options, false).then(() => {

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if (localData.hasShrinkwrap) {

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return addLocalFile('npm-shrinkwrap.json', options, true)

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} else if (localData.hasPackageLock) {

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return addLocalFile('package-lock.json', options, true)

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}

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})

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}

[335] Fix | Delete

[336] Fix | Delete

function addLocalFile (file, options, ignoreFailure) {

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const p = git.exec(['add', path.join(npm.localPrefix, file)], options)

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return ignoreFailure

[339] Fix | Delete

? p.catch(() => {})

[340] Fix | Delete

: p

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}

[342] Fix | Delete

[343] Fix | Delete

function write (data, file, indent, newline, cb) {

[344] Fix | Delete

assert(data && typeof data === 'object', 'must pass data to version write')

[345] Fix | Delete

assert(typeof file === 'string', 'must pass filename to write to version write')

[346] Fix | Delete

[347] Fix | Delete

log.verbose('version.write', 'data', data, 'to', file)

[348] Fix | Delete

writeFileAtomic(

[349] Fix | Delete

path.join(npm.localPrefix, file),

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stringifyPackage(data, indent, newline),

[351] Fix | Delete

cb

[352] Fix | Delete

)

[353] Fix | Delete

}

[354] Fix | Delete

[355] Fix | Delete