1 files changed, 82 insertions, 0 deletions
diff --git a/deps/npm/node_modules/fstream/lib/link-writer.js b/deps/npm/node_modules/fstream/lib/link-writer.js
new file mode 100644
index 0000000000..0ccce15094
--- /dev/null
+++ b/deps/npm/node_modules/fstream/lib/link-writer.js
@@ -0,0 +1,82 @@
+
+module.exports = LinkWriter
+
+var fs = require("graceful-fs")
+  , Writer = require("./writer.js")
+  , inherits = require("inherits")
+  , collect = require("./collect.js")
+  , path = require("path")
+  , rimraf = require("rimraf")
+
+inherits(LinkWriter, Writer)
+
+function LinkWriter (props) {
+  var me = this
+  if (!(me instanceof LinkWriter)) throw new Error(
+    "LinkWriter must be called as constructor.")
+
+  // should already be established as a Link type
+  if (!((props.type === "Link" && props.Link) ||
+        (props.type === "SymbolicLink" && props.SymbolicLink))) {
+    throw new Error("Non-link type "+ props.type)
+  }
+
+  if (!props.linkpath) {
+    me.error("Need linkpath property to create " + props.type)
+  }
+
+  Writer.call(this, props)
+}
+
+LinkWriter.prototype._create = function () {
+  var me = this
+    , hard = me.type === "Link" || process.platform === "win32"
+    , link = hard ? "link" : "symlink"
+    , lp = hard ? path.resolve(me.dirname, me.linkpath) : me.linkpath
+
+  // can only change the link path by clobbering
+  // For hard links, let's just assume that's always the case, since
+  // there's no good way to read them if we don't already know.
+  if (hard) return clobber(me, lp, link)
+
+  fs.readlink(me._path, function (er, p) {
+    // only skip creation if it's exactly the same link
+    if (p && p === lp) return finish(me)
+    clobber(me, lp, link)
+  })
+}
+
+function clobber (me, lp, link) {
+  rimraf(me._path, function (er) {
+    if (er) return me.error(er)
+    create(me, lp, link)
+  })
+}
+
+function create (me, lp, link) {
+  fs[link](lp, me._path, function (er) {
+    // if this is a hard link, and 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 in.
+    if (er) {
+      if (er.code === "ENOENT" && process.platform === "win32") {
+        me.ready = true
+        me.emit("ready")
+        me.emit("end")
+        me.emit("close")
+        me.end = me._finish = function () {}
+      } else return me.error(er)
+    }
+    finish(me)
+  })
+}
+
+function finish (me) {
+  me.ready = true
+  me.emit("ready")
+}
+
+LinkWriter.prototype.end = function () {
+  this._finish()
+}