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https://github.com/shimataro/ssh-key-action.git
synced 2025-06-19 22:52:10 +10:00
* first action! (#1)
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422
node_modules/tar/lib/write-entry.js
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vendored
Normal file
422
node_modules/tar/lib/write-entry.js
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vendored
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@ -0,0 +1,422 @@
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'use strict'
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const Buffer = require('./buffer.js')
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const MiniPass = require('minipass')
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const Pax = require('./pax.js')
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const Header = require('./header.js')
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const ReadEntry = require('./read-entry.js')
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const fs = require('fs')
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const path = require('path')
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const types = require('./types.js')
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const maxReadSize = 16 * 1024 * 1024
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const PROCESS = Symbol('process')
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const FILE = Symbol('file')
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const DIRECTORY = Symbol('directory')
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const SYMLINK = Symbol('symlink')
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const HARDLINK = Symbol('hardlink')
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const HEADER = Symbol('header')
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const READ = Symbol('read')
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const LSTAT = Symbol('lstat')
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const ONLSTAT = Symbol('onlstat')
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const ONREAD = Symbol('onread')
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const ONREADLINK = Symbol('onreadlink')
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const OPENFILE = Symbol('openfile')
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const ONOPENFILE = Symbol('onopenfile')
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const CLOSE = Symbol('close')
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const MODE = Symbol('mode')
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const warner = require('./warn-mixin.js')
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const winchars = require('./winchars.js')
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const modeFix = require('./mode-fix.js')
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const WriteEntry = warner(class WriteEntry extends MiniPass {
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constructor (p, opt) {
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opt = opt || {}
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super(opt)
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if (typeof p !== 'string')
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throw new TypeError('path is required')
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this.path = p
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// suppress atime, ctime, uid, gid, uname, gname
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this.portable = !!opt.portable
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// until node has builtin pwnam functions, this'll have to do
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this.myuid = process.getuid && process.getuid()
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this.myuser = process.env.USER || ''
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this.maxReadSize = opt.maxReadSize || maxReadSize
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this.linkCache = opt.linkCache || new Map()
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this.statCache = opt.statCache || new Map()
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this.preservePaths = !!opt.preservePaths
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this.cwd = opt.cwd || process.cwd()
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this.strict = !!opt.strict
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this.noPax = !!opt.noPax
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this.noMtime = !!opt.noMtime
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this.mtime = opt.mtime || null
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if (typeof opt.onwarn === 'function')
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this.on('warn', opt.onwarn)
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if (!this.preservePaths && path.win32.isAbsolute(p)) {
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// absolutes on posix are also absolutes on win32
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// so we only need to test this one to get both
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const parsed = path.win32.parse(p)
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this.warn('stripping ' + parsed.root + ' from absolute path', p)
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this.path = p.substr(parsed.root.length)
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}
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this.win32 = !!opt.win32 || process.platform === 'win32'
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if (this.win32) {
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this.path = winchars.decode(this.path.replace(/\\/g, '/'))
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p = p.replace(/\\/g, '/')
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}
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this.absolute = opt.absolute || path.resolve(this.cwd, p)
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if (this.path === '')
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this.path = './'
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if (this.statCache.has(this.absolute))
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this[ONLSTAT](this.statCache.get(this.absolute))
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else
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this[LSTAT]()
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}
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[LSTAT] () {
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fs.lstat(this.absolute, (er, stat) => {
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if (er)
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return this.emit('error', er)
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this[ONLSTAT](stat)
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})
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}
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[ONLSTAT] (stat) {
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this.statCache.set(this.absolute, stat)
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this.stat = stat
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if (!stat.isFile())
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stat.size = 0
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this.type = getType(stat)
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this.emit('stat', stat)
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this[PROCESS]()
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}
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[PROCESS] () {
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switch (this.type) {
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case 'File': return this[FILE]()
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case 'Directory': return this[DIRECTORY]()
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case 'SymbolicLink': return this[SYMLINK]()
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// unsupported types are ignored.
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default: return this.end()
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}
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}
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[MODE] (mode) {
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return modeFix(mode, this.type === 'Directory')
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}
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[HEADER] () {
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if (this.type === 'Directory' && this.portable)
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this.noMtime = true
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this.header = new Header({
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path: this.path,
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linkpath: this.linkpath,
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// only the permissions and setuid/setgid/sticky bitflags
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// not the higher-order bits that specify file type
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mode: this[MODE](this.stat.mode),
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uid: this.portable ? null : this.stat.uid,
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gid: this.portable ? null : this.stat.gid,
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size: this.stat.size,
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mtime: this.noMtime ? null : this.mtime || this.stat.mtime,
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type: this.type,
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uname: this.portable ? null :
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this.stat.uid === this.myuid ? this.myuser : '',
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atime: this.portable ? null : this.stat.atime,
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ctime: this.portable ? null : this.stat.ctime
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})
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if (this.header.encode() && !this.noPax)
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this.write(new Pax({
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atime: this.portable ? null : this.header.atime,
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ctime: this.portable ? null : this.header.ctime,
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gid: this.portable ? null : this.header.gid,
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mtime: this.noMtime ? null : this.mtime || this.header.mtime,
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path: this.path,
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linkpath: this.linkpath,
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size: this.header.size,
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uid: this.portable ? null : this.header.uid,
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uname: this.portable ? null : this.header.uname,
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dev: this.portable ? null : this.stat.dev,
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ino: this.portable ? null : this.stat.ino,
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nlink: this.portable ? null : this.stat.nlink
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}).encode())
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this.write(this.header.block)
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}
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[DIRECTORY] () {
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if (this.path.substr(-1) !== '/')
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this.path += '/'
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this.stat.size = 0
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this[HEADER]()
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this.end()
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}
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[SYMLINK] () {
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fs.readlink(this.absolute, (er, linkpath) => {
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if (er)
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return this.emit('error', er)
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this[ONREADLINK](linkpath)
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})
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}
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[ONREADLINK] (linkpath) {
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this.linkpath = linkpath
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this[HEADER]()
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this.end()
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}
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[HARDLINK] (linkpath) {
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this.type = 'Link'
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this.linkpath = path.relative(this.cwd, linkpath)
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this.stat.size = 0
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this[HEADER]()
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this.end()
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}
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[FILE] () {
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if (this.stat.nlink > 1) {
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const linkKey = this.stat.dev + ':' + this.stat.ino
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if (this.linkCache.has(linkKey)) {
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const linkpath = this.linkCache.get(linkKey)
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if (linkpath.indexOf(this.cwd) === 0)
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return this[HARDLINK](linkpath)
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}
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this.linkCache.set(linkKey, this.absolute)
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}
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this[HEADER]()
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if (this.stat.size === 0)
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return this.end()
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this[OPENFILE]()
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}
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[OPENFILE] () {
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fs.open(this.absolute, 'r', (er, fd) => {
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if (er)
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return this.emit('error', er)
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this[ONOPENFILE](fd)
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})
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}
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[ONOPENFILE] (fd) {
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const blockLen = 512 * Math.ceil(this.stat.size / 512)
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const bufLen = Math.min(blockLen, this.maxReadSize)
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const buf = Buffer.allocUnsafe(bufLen)
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this[READ](fd, buf, 0, buf.length, 0, this.stat.size, blockLen)
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}
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[READ] (fd, buf, offset, length, pos, remain, blockRemain) {
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fs.read(fd, buf, offset, length, pos, (er, bytesRead) => {
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if (er)
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return this[CLOSE](fd, _ => this.emit('error', er))
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this[ONREAD](fd, buf, offset, length, pos, remain, blockRemain, bytesRead)
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})
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}
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[CLOSE] (fd, cb) {
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fs.close(fd, cb)
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}
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[ONREAD] (fd, buf, offset, length, pos, remain, blockRemain, bytesRead) {
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if (bytesRead <= 0 && remain > 0) {
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const er = new Error('encountered unexpected EOF')
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er.path = this.absolute
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er.syscall = 'read'
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er.code = 'EOF'
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this[CLOSE](fd)
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return this.emit('error', er)
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}
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if (bytesRead > remain) {
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const er = new Error('did not encounter expected EOF')
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er.path = this.absolute
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er.syscall = 'read'
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er.code = 'EOF'
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this[CLOSE](fd)
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return this.emit('error', er)
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}
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// null out the rest of the buffer, if we could fit the block padding
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if (bytesRead === remain) {
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for (let i = bytesRead; i < length && bytesRead < blockRemain; i++) {
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buf[i + offset] = 0
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bytesRead ++
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remain ++
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}
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}
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const writeBuf = offset === 0 && bytesRead === buf.length ?
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buf : buf.slice(offset, offset + bytesRead)
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remain -= bytesRead
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blockRemain -= bytesRead
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pos += bytesRead
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offset += bytesRead
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this.write(writeBuf)
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if (!remain) {
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if (blockRemain)
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this.write(Buffer.alloc(blockRemain))
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this.end()
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this[CLOSE](fd, _ => _)
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return
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}
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if (offset >= length) {
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buf = Buffer.allocUnsafe(length)
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offset = 0
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}
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length = buf.length - offset
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this[READ](fd, buf, offset, length, pos, remain, blockRemain)
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}
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})
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class WriteEntrySync extends WriteEntry {
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constructor (path, opt) {
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super(path, opt)
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}
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[LSTAT] () {
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this[ONLSTAT](fs.lstatSync(this.absolute))
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}
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[SYMLINK] () {
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this[ONREADLINK](fs.readlinkSync(this.absolute))
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}
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[OPENFILE] () {
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this[ONOPENFILE](fs.openSync(this.absolute, 'r'))
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}
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[READ] (fd, buf, offset, length, pos, remain, blockRemain) {
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let threw = true
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try {
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const bytesRead = fs.readSync(fd, buf, offset, length, pos)
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this[ONREAD](fd, buf, offset, length, pos, remain, blockRemain, bytesRead)
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threw = false
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} finally {
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if (threw)
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try { this[CLOSE](fd) } catch (er) {}
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}
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}
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[CLOSE] (fd) {
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fs.closeSync(fd)
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}
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}
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const WriteEntryTar = warner(class WriteEntryTar extends MiniPass {
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constructor (readEntry, opt) {
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opt = opt || {}
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super(opt)
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this.preservePaths = !!opt.preservePaths
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this.portable = !!opt.portable
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this.strict = !!opt.strict
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this.noPax = !!opt.noPax
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this.noMtime = !!opt.noMtime
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this.readEntry = readEntry
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this.type = readEntry.type
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if (this.type === 'Directory' && this.portable)
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this.noMtime = true
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this.path = readEntry.path
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this.mode = this[MODE](readEntry.mode)
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this.uid = this.portable ? null : readEntry.uid
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this.gid = this.portable ? null : readEntry.gid
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this.uname = this.portable ? null : readEntry.uname
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this.gname = this.portable ? null : readEntry.gname
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this.size = readEntry.size
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this.mtime = this.noMtime ? null : opt.mtime || readEntry.mtime
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this.atime = this.portable ? null : readEntry.atime
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this.ctime = this.portable ? null : readEntry.ctime
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this.linkpath = readEntry.linkpath
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if (typeof opt.onwarn === 'function')
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this.on('warn', opt.onwarn)
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if (path.isAbsolute(this.path) && !this.preservePaths) {
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const parsed = path.parse(this.path)
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this.warn(
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'stripping ' + parsed.root + ' from absolute path',
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this.path
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)
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this.path = this.path.substr(parsed.root.length)
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}
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this.remain = readEntry.size
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this.blockRemain = readEntry.startBlockSize
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this.header = new Header({
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path: this.path,
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linkpath: this.linkpath,
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// only the permissions and setuid/setgid/sticky bitflags
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// not the higher-order bits that specify file type
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mode: this.mode,
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uid: this.portable ? null : this.uid,
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gid: this.portable ? null : this.gid,
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size: this.size,
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mtime: this.noMtime ? null : this.mtime,
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type: this.type,
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uname: this.portable ? null : this.uname,
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atime: this.portable ? null : this.atime,
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ctime: this.portable ? null : this.ctime
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})
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if (this.header.encode() && !this.noPax)
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super.write(new Pax({
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atime: this.portable ? null : this.atime,
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ctime: this.portable ? null : this.ctime,
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gid: this.portable ? null : this.gid,
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mtime: this.noMtime ? null : this.mtime,
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path: this.path,
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linkpath: this.linkpath,
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size: this.size,
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uid: this.portable ? null : this.uid,
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uname: this.portable ? null : this.uname,
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dev: this.portable ? null : this.readEntry.dev,
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ino: this.portable ? null : this.readEntry.ino,
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nlink: this.portable ? null : this.readEntry.nlink
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}).encode())
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super.write(this.header.block)
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readEntry.pipe(this)
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}
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[MODE] (mode) {
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return modeFix(mode, this.type === 'Directory')
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}
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write (data) {
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const writeLen = data.length
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if (writeLen > this.blockRemain)
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throw new Error('writing more to entry than is appropriate')
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this.blockRemain -= writeLen
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return super.write(data)
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}
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end () {
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if (this.blockRemain)
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this.write(Buffer.alloc(this.blockRemain))
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return super.end()
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}
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})
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WriteEntry.Sync = WriteEntrySync
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WriteEntry.Tar = WriteEntryTar
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const getType = stat =>
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stat.isFile() ? 'File'
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: stat.isDirectory() ? 'Directory'
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: stat.isSymbolicLink() ? 'SymbolicLink'
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: 'Unsupported'
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|
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module.exports = WriteEntry
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Loading…
Add table
Add a link
Reference in a new issue