fix broken bashspawn on windows

node_modules/vfs-local/localfs.js

@@ -1955,7 +1955,10 @@ module.exports = function setup(fsOptions) {
         }
     }
     
-    function PtyStream(pty, isOutput){
+    function PtyStream(pty, isOutput, old){
+        if (old) {
+            return old.attachTo(pty, isOutput);
+        }
         var exited = false;
         var killed = false;
         
@@ -1975,6 +1978,18 @@ module.exports = function setup(fsOptions) {
             pty.kill = function() {};
         }
         
+        this.attachTo = function(newPty) {
+            pty = newPty;
+            exited = false;
+            killed = false;
+        
+            this.readable = true;
+            this.writable = true;
+
+            Object.keys(events).forEach(forwardEvent);
+            return this;
+        }
+        
         this.killtree = 
         this.kill = isOutput ? function(signal){
             // We dont want to really kill, just stop the process
@@ -1988,7 +2003,7 @@ module.exports = function setup(fsOptions) {
                         emit("kill");
                     });
                 }
-                
+                pty.suspended = true;
                 return;
             }
             
@@ -2022,7 +2037,7 @@ module.exports = function setup(fsOptions) {
         
         var events = {};
         function forwardEvent(name){
-            events[name] = [];
+            events[name] = events[name] || [];
             
             if (isOutput && (name == "exit" || name == "close" || name == "end")) {
                 if (name != "exit") return;
@@ -2102,7 +2117,7 @@ module.exports = function setup(fsOptions) {
             if (session) {
                 if (session.wait)
                     session.wait.push(callback);
-                else
+                else if (session.pty && !session.pty.suspended)
                     callback(null, { pty: session.pty });
             }
             else
@@ -2124,8 +2139,9 @@ module.exports = function setup(fsOptions) {
             var args = ["-l", "-i"];
             var name = options.session || getSessionId();
             
-            var session    = { wait: [] };
+            var session    = sessions[name] || {};
             sessions[name] = session;
+            if (!session.wait) session.wait = [];
             
             if (options.idle)
                 options.command = "echo '\033[2J\033[1;1H[Idle]'";
@@ -2167,7 +2183,7 @@ module.exports = function setup(fsOptions) {
                     if (err) return callback(err);
                     
                     session.pty = meta.pty = 
-                        new PtyStream(meta.pty, options.output);
+                        new PtyStream(meta.pty, options.output, session.pty);
                     
                     var wait = session.wait;
                     delete session.wait;