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| // npm version <newver>
module.exports = version
var semver = require('semver')
var path = require('path')
var fs = require('graceful-fs')
var writeFileAtomic = require('write-file-atomic')
var chain = require('slide').chain
var log = require('npmlog')
var npm = require('./npm.js')
var git = require('./utils/git.js')
var assert = require('assert')
var lifecycle = require('./utils/lifecycle.js')
var parseJSON = require('./utils/parse-json.js')
var output = require('./utils/output.js')
version.usage = 'npm version [<newversion> | major | minor | patch | premajor | preminor | prepatch | prerelease | from-git]' +
'\n(run in package dir)\n' +
"'npm -v' or 'npm --version' to print npm version " +
'(' + npm.version + ')\n' +
"'npm view <pkg> version' to view a package's " +
'published version\n' +
"'npm ls' to inspect current package/dependency versions"
function version (args, silent, cb_) {
if (typeof cb_ !== 'function') {
cb_ = silent
silent = false
}
if (args.length > 1) return cb_(version.usage)
readPackage(function (er, data) {
if (!args.length) return dump(data, cb_)
if (er) {
log.error('version', 'No valid package.json found')
return cb_(er)
}
if (args[0] === 'from-git') {
retrieveTagVersion(silent, data, cb_)
} else {
var newVersion = semver.valid(args[0])
if (!newVersion) newVersion = semver.inc(data.version, args[0])
if (!newVersion) return cb_(version.usage)
persistVersion(newVersion, silent, data, cb_)
}
})
}
function retrieveTagVersion (silent, data, cb_) {
chain([
verifyGit,
parseLastGitTag
], function (er, results) {
if (er) return cb_(er)
var localData = {
hasGit: true,
existingTag: true
}
var version = results[results.length - 1]
persistVersion(version, silent, data, localData, cb_)
})
}
function parseLastGitTag (cb) {
var options = { env: process.env }
git.whichAndExec(['describe', '--abbrev=0'], options, function (er, stdout) {
if (er) {
if (er.message.indexOf('No names found') !== -1) return cb(new Error('No tags found'))
return cb(er)
}
var tag = stdout.trim()
var prefix = npm.config.get('tag-version-prefix')
// Strip the prefix from the start of the tag:
if (tag.indexOf(prefix) === 0) tag = tag.slice(prefix.length)
var version = semver.valid(tag)
if (!version) return cb(new Error(tag + ' is not a valid version'))
cb(null, version)
})
}
function persistVersion (newVersion, silent, data, localData, cb_) {
if (typeof localData === 'function') {
cb_ = localData
localData = {}
}
if (data.version === newVersion) return cb_(new Error('Version not changed'))
data.version = newVersion
var lifecycleData = Object.create(data)
lifecycleData._id = data.name + '@' + newVersion
var where = npm.prefix
chain([
!localData.hasGit && [checkGit, localData],
[lifecycle, lifecycleData, 'preversion', where],
[updatePackage, newVersion, silent],
[lifecycle, lifecycleData, 'version', where],
[commit, localData, newVersion],
[lifecycle, lifecycleData, 'postversion', where]
], cb_)
}
function readPackage (cb) {
var packagePath = path.join(npm.localPrefix, 'package.json')
fs.readFile(packagePath, function (er, data) {
if (er) return cb(new Error(er))
if (data) data = data.toString()
try {
data = JSON.parse(data)
} catch (e) {
er = e
data = null
}
cb(er, data)
})
}
function updatePackage (newVersion, silent, cb_) {
function cb (er) {
if (!er && !silent) output('v' + newVersion)
cb_(er)
}
readPackage(function (er, data) {
if (er) return cb(new Error(er))
data.version = newVersion
write(data, 'package.json', cb)
})
}
function commit (localData, newVersion, cb) {
updateShrinkwrap(newVersion, function (er, hasShrinkwrap) {
if (er || !localData.hasGit) return cb(er)
localData.hasShrinkwrap = hasShrinkwrap
_commit(newVersion, localData, cb)
})
}
function updateShrinkwrap (newVersion, cb) {
fs.readFile(path.join(npm.localPrefix, 'npm-shrinkwrap.json'), function (er, data) {
if (er && er.code === 'ENOENT') return cb(null, false)
try {
data = data.toString()
data = parseJSON(data)
} catch (er) {
log.error('version', 'Bad npm-shrinkwrap.json data')
return cb(er)
}
data.version = newVersion
write(data, 'npm-shrinkwrap.json', function (er) {
if (er) {
log.error('version', 'Bad npm-shrinkwrap.json data')
return cb(er)
}
cb(null, true)
})
})
}
function dump (data, cb) {
var v = {}
if (data && data.name && data.version) v[data.name] = data.version
v.npm = npm.version
Object.keys(process.versions).sort().forEach(function (k) {
v[k] = process.versions[k]
})
if (npm.config.get('json')) v = JSON.stringify(v, null, 2)
output(v)
cb()
}
function statGitFolder (cb) {
fs.stat(path.join(npm.localPrefix, '.git'), cb)
}
function callGitStatus (cb) {
git.whichAndExec(
[ 'status', '--porcelain' ],
{ env: process.env },
cb
)
}
function cleanStatusLines (stdout) {
var lines = stdout.trim().split('\n').filter(function (line) {
return line.trim() && !line.match(/^\?\? /)
}).map(function (line) {
return line.trim()
})
return lines
}
function verifyGit (cb) {
function checkStatus (er) {
if (er) return cb(er)
callGitStatus(checkStdout)
}
function checkStdout (er, stdout) {
if (er) return cb(er)
var lines = cleanStatusLines(stdout)
if (lines.length > 0) {
return cb(new Error(
'Git working directory not clean.\n' + lines.join('\n')
))
}
cb()
}
statGitFolder(checkStatus)
}
function checkGit (localData, cb) {
statGitFolder(function (er) {
var doGit = !er && npm.config.get('git-tag-version')
if (!doGit) {
if (er) log.verbose('version', 'error checking for .git', er)
log.verbose('version', 'not tagging in git')
return cb(null, false)
}
// check for git
callGitStatus(function (er, stdout) {
if (er && er.code === 'ENOGIT') {
log.warn(
'version',
'This is a Git checkout, but the git command was not found.',
'npm could not create a Git tag for this release!'
)
return cb(null, false)
}
var lines = cleanStatusLines(stdout)
if (lines.length && !npm.config.get('force')) {
return cb(new Error(
'Git working directory not clean.\n' + lines.join('\n')
))
}
localData.hasGit = true
cb(null, true)
})
})
}
function _commit (version, localData, cb) {
var packagePath = path.join(npm.localPrefix, 'package.json')
var options = { env: process.env }
var message = npm.config.get('message').replace(/%s/g, version)
var sign = npm.config.get('sign-git-tag')
var flag = sign ? '-sm' : '-am'
chain(
[
git.chainableExec([ 'add', packagePath ], options),
localData.hasShrinkwrap && git.chainableExec([ 'add', path.join(npm.localPrefix, 'npm-shrinkwrap.json') ], options),
git.chainableExec([ 'commit', '-m', message ], options),
!localData.existingTag && git.chainableExec([
'tag',
npm.config.get('tag-version-prefix') + version,
flag,
message
], options)
],
cb
)
}
function write (data, file, cb) {
assert(data && typeof data === 'object', 'must pass data to version write')
assert(typeof file === 'string', 'must pass filename to write to version write')
log.verbose('version.write', 'data', data, 'to', file)
writeFileAtomic(
path.join(npm.localPrefix, file),
new Buffer(JSON.stringify(data, null, 2) + '\n'),
cb
)
}
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