1 files changed, 390 insertions, 0 deletions
diff --git a/deps/npm/node_modules/node-gyp/node_modules/fstream/lib/writer.js b/deps/npm/node_modules/node-gyp/node_modules/fstream/lib/writer.js
new file mode 100644
index 0000000000..140e449e06
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/node_modules/fstream/lib/writer.js
@@ -0,0 +1,390 @@
+module.exports = Writer
+
+var fs = require('graceful-fs')
+var inherits = require('inherits')
+var rimraf = require('rimraf')
+var mkdir = require('mkdirp')
+var path = require('path')
+var umask = process.platform === 'win32' ? 0 : process.umask()
+var getType = require('./get-type.js')
+var Abstract = require('./abstract.js')
+
+// Must do this *before* loading the child classes
+inherits(Writer, Abstract)
+
+Writer.dirmode = parseInt('0777', 8) & (~umask)
+Writer.filemode = parseInt('0666', 8) & (~umask)
+
+var DirWriter = require('./dir-writer.js')
+var LinkWriter = require('./link-writer.js')
+var FileWriter = require('./file-writer.js')
+var ProxyWriter = require('./proxy-writer.js')
+
+// props is the desired state.  current is optionally the current stat,
+// provided here so that subclasses can avoid statting the target
+// more than necessary.
+function Writer (props, current) {
+  var self = this
+
+  if (typeof props === 'string') {
+    props = { path: props }
+  }
+
+  // polymorphism.
+  // call fstream.Writer(dir) to get a DirWriter object, etc.
+  var type = getType(props)
+  var ClassType = Writer
+
+  switch (type) {
+    case 'Directory':
+      ClassType = DirWriter
+      break
+    case 'File':
+      ClassType = FileWriter
+      break
+    case 'Link':
+    case 'SymbolicLink':
+      ClassType = LinkWriter
+      break
+    case null:
+    default:
+      // Don't know yet what type to create, so we wrap in a proxy.
+      ClassType = ProxyWriter
+      break
+  }
+
+  if (!(self instanceof ClassType)) return new ClassType(props)
+
+  // now get down to business.
+
+  Abstract.call(self)
+
+  if (!props.path) self.error('Must provide a path', null, true)
+
+  // props is what we want to set.
+  // set some convenience properties as well.
+  self.type = props.type
+  self.props = props
+  self.depth = props.depth || 0
+  self.clobber = props.clobber === false ? props.clobber : true
+  self.parent = props.parent || null
+  self.root = props.root || (props.parent && props.parent.root) || self
+
+  self._path = self.path = path.resolve(props.path)
+  if (process.platform === 'win32') {
+    self.path = self._path = self.path.replace(/\?/g, '_')
+    if (self._path.length >= 260) {
+      self._swallowErrors = true
+      self._path = '\\\\?\\' + self.path.replace(/\//g, '\\')
+    }
+  }
+  self.basename = path.basename(props.path)
+  self.dirname = path.dirname(props.path)
+  self.linkpath = props.linkpath || null
+
+  props.parent = props.root = null
+
+  // console.error("\n\n\n%s setting size to", props.path, props.size)
+  self.size = props.size
+
+  if (typeof props.mode === 'string') {
+    props.mode = parseInt(props.mode, 8)
+  }
+
+  self.readable = false
+  self.writable = true
+
+  // buffer until ready, or while handling another entry
+  self._buffer = []
+  self.ready = false
+
+  self.filter = typeof props.filter === 'function' ? props.filter : null
+
+  // start the ball rolling.
+  // this checks what's there already, and then calls
+  // self._create() to call the impl-specific creation stuff.
+  self._stat(current)
+}
+
+// Calling this means that it's something we can't create.
+// Just assert that it's already there, otherwise raise a warning.
+Writer.prototype._create = function () {
+  var self = this
+  fs[self.props.follow ? 'stat' : 'lstat'](self._path, function (er) {
+    if (er) {
+      return self.warn('Cannot create ' + self._path + '\n' +
+        'Unsupported type: ' + self.type, 'ENOTSUP')
+    }
+    self._finish()
+  })
+}
+
+Writer.prototype._stat = function (current) {
+  var self = this
+  var props = self.props
+  var stat = props.follow ? 'stat' : 'lstat'
+  var who = self._proxy || self
+
+  if (current) statCb(null, current)
+  else fs[stat](self._path, statCb)
+
+  function statCb (er, current) {
+    if (self.filter && !self.filter.call(who, who, current)) {
+      self._aborted = true
+      self.emit('end')
+      self.emit('close')
+      return
+    }
+
+    // if it's not there, great.  We'll just create it.
+    // if it is there, then we'll need to change whatever differs
+    if (er || !current) {
+      return create(self)
+    }
+
+    self._old = current
+    var currentType = getType(current)
+
+    // if it's a type change, then we need to clobber or error.
+    // if it's not a type change, then let the impl take care of it.
+    if (currentType !== self.type) {
+      return rimraf(self._path, function (er) {
+        if (er) return self.error(er)
+        self._old = null
+        create(self)
+      })
+    }
+
+    // otherwise, just handle in the app-specific way
+    // this creates a fs.WriteStream, or mkdir's, or whatever
+    create(self)
+  }
+}
+
+function create (self) {
+  // console.error("W create", self._path, Writer.dirmode)
+
+  // XXX Need to clobber non-dirs that are in the way,
+  // unless { clobber: false } in the props.
+  mkdir(path.dirname(self._path), Writer.dirmode, function (er, made) {
+    // console.error("W created", path.dirname(self._path), er)
+    if (er) return self.error(er)
+
+    // later on, we have to set the mode and owner for these
+    self._madeDir = made
+    return self._create()
+  })
+}
+
+function endChmod (self, want, current, path, cb) {
+  var wantMode = want.mode
+  var chmod = want.follow || self.type !== 'SymbolicLink'
+    ? 'chmod' : 'lchmod'
+
+  if (!fs[chmod]) return cb()
+  if (typeof wantMode !== 'number') return cb()
+
+  var curMode = current.mode & parseInt('0777', 8)
+  wantMode = wantMode & parseInt('0777', 8)
+  if (wantMode === curMode) return cb()
+
+  fs[chmod](path, wantMode, cb)
+}
+
+function endChown (self, want, current, path, cb) {
+  // Don't even try it unless root.  Too easy to EPERM.
+  if (process.platform === 'win32') return cb()
+  if (!process.getuid || process.getuid() !== 0) return cb()
+  if (typeof want.uid !== 'number' &&
+    typeof want.gid !== 'number') return cb()
+
+  if (current.uid === want.uid &&
+    current.gid === want.gid) return cb()
+
+  var chown = (self.props.follow || self.type !== 'SymbolicLink')
+    ? 'chown' : 'lchown'
+  if (!fs[chown]) return cb()
+
+  if (typeof want.uid !== 'number') want.uid = current.uid
+  if (typeof want.gid !== 'number') want.gid = current.gid
+
+  fs[chown](path, want.uid, want.gid, cb)
+}
+
+function endUtimes (self, want, current, path, cb) {
+  if (!fs.utimes || process.platform === 'win32') return cb()
+
+  var utimes = (want.follow || self.type !== 'SymbolicLink')
+    ? 'utimes' : 'lutimes'
+
+  if (utimes === 'lutimes' && !fs[utimes]) {
+    utimes = 'utimes'
+  }
+
+  if (!fs[utimes]) return cb()
+
+  var curA = current.atime
+  var curM = current.mtime
+  var meA = want.atime
+  var meM = want.mtime
+
+  if (meA === undefined) meA = curA
+  if (meM === undefined) meM = curM
+
+  if (!isDate(meA)) meA = new Date(meA)
+  if (!isDate(meM)) meA = new Date(meM)
+
+  if (meA.getTime() === curA.getTime() &&
+    meM.getTime() === curM.getTime()) return cb()
+
+  fs[utimes](path, meA, meM, cb)
+}
+
+// XXX This function is beastly.  Break it up!
+Writer.prototype._finish = function () {
+  var self = this
+
+  if (self._finishing) return
+  self._finishing = true
+
+  // console.error(" W Finish", self._path, self.size)
+
+  // set up all the things.
+  // At this point, we're already done writing whatever we've gotta write,
+  // adding files to the dir, etc.
+  var todo = 0
+  var errState = null
+  var done = false
+
+  if (self._old) {
+    // the times will almost *certainly* have changed.
+    // adds the utimes syscall, but remove another stat.
+    self._old.atime = new Date(0)
+    self._old.mtime = new Date(0)
+    // console.error(" W Finish Stale Stat", self._path, self.size)
+    setProps(self._old)
+  } else {
+    var stat = self.props.follow ? 'stat' : 'lstat'
+    // console.error(" W Finish Stating", self._path, self.size)
+    fs[stat](self._path, function (er, current) {
+      // console.error(" W Finish Stated", self._path, self.size, current)
+      if (er) {
+        // if we're in the process of writing out a
+        // directory, it's very possible that the thing we're linking to
+        // doesn't exist yet (especially if it was intended as a symlink),
+        // so swallow ENOENT errors here and just soldier on.
+        if (er.code === 'ENOENT' &&
+          (self.type === 'Link' || self.type === 'SymbolicLink') &&
+          process.platform === 'win32') {
+          self.ready = true
+          self.emit('ready')
+          self.emit('end')
+          self.emit('close')
+          self.end = self._finish = function () {}
+          return
+        } else return self.error(er)
+      }
+      setProps(self._old = current)
+    })
+  }
+
+  return
+
+  function setProps (current) {
+    todo += 3
+    endChmod(self, self.props, current, self._path, next('chmod'))
+    endChown(self, self.props, current, self._path, next('chown'))
+    endUtimes(self, self.props, current, self._path, next('utimes'))
+  }
+
+  function next (what) {
+    return function (er) {
+      // console.error("   W Finish", what, todo)
+      if (errState) return
+      if (er) {
+        er.fstream_finish_call = what
+        return self.error(errState = er)
+      }
+      if (--todo > 0) return
+      if (done) return
+      done = true
+
+      // we may still need to set the mode/etc. on some parent dirs
+      // that were created previously.  delay end/close until then.
+      if (!self._madeDir) return end()
+      else endMadeDir(self, self._path, end)
+
+      function end (er) {
+        if (er) {
+          er.fstream_finish_call = 'setupMadeDir'
+          return self.error(er)
+        }
+        // all the props have been set, so we're completely done.
+        self.emit('end')
+        self.emit('close')
+      }
+    }
+  }
+}
+
+function endMadeDir (self, p, cb) {
+  var made = self._madeDir
+  // everything *between* made and path.dirname(self._path)
+  // needs to be set up.  Note that this may just be one dir.
+  var d = path.dirname(p)
+
+  endMadeDir_(self, d, function (er) {
+    if (er) return cb(er)
+    if (d === made) {
+      return cb()
+    }
+    endMadeDir(self, d, cb)
+  })
+}
+
+function endMadeDir_ (self, p, cb) {
+  var dirProps = {}
+  Object.keys(self.props).forEach(function (k) {
+    dirProps[k] = self.props[k]
+
+    // only make non-readable dirs if explicitly requested.
+    if (k === 'mode' && self.type !== 'Directory') {
+      dirProps[k] = dirProps[k] | parseInt('0111', 8)
+    }
+  })
+
+  var todo = 3
+  var errState = null
+  fs.stat(p, function (er, current) {
+    if (er) return cb(errState = er)
+    endChmod(self, dirProps, current, p, next)
+    endChown(self, dirProps, current, p, next)
+    endUtimes(self, dirProps, current, p, next)
+  })
+
+  function next (er) {
+    if (errState) return
+    if (er) return cb(errState = er)
+    if (--todo === 0) return cb()
+  }
+}
+
+Writer.prototype.pipe = function () {
+  this.error("Can't pipe from writable stream")
+}
+
+Writer.prototype.add = function () {
+  this.error("Can't add to non-Directory type")
+}
+
+Writer.prototype.write = function () {
+  return true
+}
+
+function objectToString (d) {
+  return Object.prototype.toString.call(d)
+}
+
+function isDate (d) {
+  return typeof d === 'object' && objectToString(d) === '[object Date]'
+}