Updated Elevated shell ops culled out by OS

i.win.js

   //     WScript.Echo('-val=' + WScript.Arguments.Named(argEnumerator.item()) + '=val-')    // Value
   // }
 
+  // cscript elxr/i.win.js /all:true
   var all = WScript.Arguments.Named('all');
  
   console = { 
     var downloadtasks = [];
     var installtasks = [];
     prerequisites.forEach(function(preq) {
+      WScript.Echo(all)
       if(!all && preq.optional) return
       var p = preq.exists().then(function(exists) {
         if (exists) console.log( preq.shellcmd + ' exists');
         , installcmd: ['MSIEXEC.exe', ['/i'
           , path.normalize(downloadsdir + '/' + 'python-2.7.18.amd64.msi')
           , 'ACCEPT=YES', '/passive']]
-     // , preinstallsteps : function() { return Promise.resolve(true) }
-        , preinstallsteps: function() {
-          var self = this;
-          console.log(self.shellcmd + ' preinstall steps')
-          console.log(selectedinstance.root + '/.elxr/run-' + runtimestamp + '/download.bat' + ' ' + self.url + ' ' + downloadsdir + '/' + self.installer)
-          var steps = [];
-          steps.push(
-            function(){
-              if (!existsSync(downloadsdir + '/' + self.installer)) {
-                console.log(selectedinstance.root + '/.elxr/run-' + runtimestamp + '/download.bat', [self.url, downloadsdir + '/' + self.installer])
-                return nodeShellExec(selectedinstance.root + '/.elxr/run-' + runtimestamp + '/download.bat', [self.url, downloadsdir + '/' + self.installer]
-                  , { waitmsg : 'downloading ' + self.shellcmd  + ' please wait' })
-              }
-              else {
-                console.log(self.installer + ' Already exits Download skipped.') 
-                return Promise.resolve(true)
-              }
-            }
-          )
-          
-          return any(steps)
-          // return any([any(steps), any(prompts)])
-        }
+        , preinstallsteps : function() { return Promise.resolve(true) }
         , install : function() { 
           var self = this; 
           var ifns = [self.installcmd]
           , '/VERYSILENT'
           // , '/MERGETASKS=!runcode' // This is required only for vscode...
         ]]
-      // , preinstallsteps : function() { return Promise.resolve(true) }
+      , preinstallsteps : function() { return Promise.resolve(true) }
+      , install : function() { 
+        var self = this; 
+        var ifns = [self.installcmd]
+        if(!ifns.map) ifns.map = map;
+        console.log('Installing')
+        return any(ifns.map(callsheltask))['catch'](function(e){ 
+          if(e.code === 1602) {
+            console.warn("Installation was probably cancelled.")
+          }
+          else throw e
+        }).then(function(){
+          return self.postinstallsteps()
+        })
+      }
+      , postinstallsteps : function() { return sysAddPathVar('%USERPROFILE%\\AppData/Local\\Microsoft\\WindowsApps') }
+      , exists : exists
+    }
+    ,  {
+      shellcmd: 'mysql',
+      url: 'https://dev.mysql.com/get/Downloads/MySQLInstaller/mysql-installer-community-8.0.29.0.msi'
+      , installer: 'mysql-installer-community-8.0.29.0.msi'
+      , installcmd: ['MSIEXEC.exe', ['/i'
+        , path.normalize(downloadsdir + '/' + 'mysql-installer-community-8.0.29.0.msi')
+        , 'ACCEPT=YES', '/passive']]
+      , install : function() { 
+        var self = this; 
+        var ifns = [self.installcmd]
+        if(!ifns.map) ifns.map = map;
+        return any(ifns.map(callsheltask))['catch'](function(e){ 
+          if(e.code === 1602) {
+            console.warn("Installation was probably cancelled.")
+          }
+          else throw e
+        })
+      }
+      
+      , exists : exists
       , preinstallsteps: function() {
         var self = this;
-        console.log(self.shellcmd + ' preinstall steps')
-        console.log(selectedinstance.root + '/.elxr/run-' + runtimestamp + '/download.bat' + ' ' + self.url + ' ' + downloadsdir + '/' + self.installer)
+        console.log('mysql preinstall steps')
+
         var steps = [];
         steps.push(
           function(){
             if (!existsSync(downloadsdir + '/' + self.installer)) {
-              console.log(selectedinstance.root + '/.elxr/run-' + runtimestamp + '/download.bat', [self.url, downloadsdir + '/' + self.installer])
               return nodeShellExec(selectedinstance.root + '/.elxr/run-' + runtimestamp + '/download.bat', [self.url, downloadsdir + '/' + self.installer]
-                , { waitmsg : 'downloading ' + self.shellcmd  + ' please wait' })
+                , { waitmsg : 'downloading mysql please wait' })
             }
             else {
               console.log(self.installer + ' Already exits Download skipped.') 
         return any(steps)
         // return any([any(steps), any(prompts)])
       }
-      , install : function() { 
-        var self = this; 
-        var ifns = [self.installcmd]
-        if(!ifns.map) ifns.map = map;
-        console.log('Installing')
-        return any(ifns.map(callsheltask))['catch'](function(e){ 
-          if(e.code === 1602) {
-            console.warn("Installation was probably cancelled.")
-          }
-          else throw e
-        }).then(function(){
-          return self.postinstallsteps()
-        })
-      }
-      , postinstallsteps : function() { return sysAddPathVar('%USERPROFILE%\\AppData/Local\\Microsoft\\WindowsApps') }
-      , exists : exists
     }
     , {
         shellcmd: 'elxr'