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72 lines
1.8 KiB
72 lines
1.8 KiB
// npm pack <pkg>
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// Packs the specified package into a .tgz file, which can then
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// be installed.
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module.exports = pack
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var install = require('./install.js')
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var cache = require('./cache.js')
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var fs = require('graceful-fs')
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var chain = require('slide').chain
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var path = require('path')
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var cwd = process.cwd()
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var writeStreamAtomic = require('fs-write-stream-atomic')
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var cachedPackageRoot = require('./cache/cached-package-root.js')
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pack.usage = 'npm pack [[<@scope>/]<pkg>...]'
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// if it can be installed, it can be packed.
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pack.completion = install.completion
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function pack (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 === 0) args = ['.']
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chain(
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args.map(function (arg) { return function (cb) { pack_(arg, cb) } }),
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function (er, files) {
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if (er || silent) return cb(er, files)
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printFiles(files, cb)
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}
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)
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}
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function printFiles (files, cb) {
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files = files.map(function (file) {
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return path.relative(cwd, file)
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})
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console.log(files.join('\n'))
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cb()
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}
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// add to cache, then cp to the cwd
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function pack_ (pkg, cb) {
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cache.add(pkg, null, null, false, function (er, data) {
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if (er) return cb(er)
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// scoped packages get special treatment
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var name = data.name
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if (name[0] === '@') name = name.substr(1).replace(/\//g, '-')
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var fname = name + '-' + data.version + '.tgz'
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var cached = path.join(cachedPackageRoot(data), 'package.tgz')
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var from = fs.createReadStream(cached)
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var to = writeStreamAtomic(fname)
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var errState = null
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from.on('error', cb_)
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to.on('error', cb_)
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to.on('close', cb_)
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from.pipe(to)
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function cb_ (er) {
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if (errState) return
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if (er) return cb(errState = er)
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cb(null, fname)
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}
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})
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}
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