Added merge

index.js

 var path = require('path');
 const { isMaster } = require('cluster');
 // Serialize a set of functions that will execute to return a promises one after the other.
-// Will stop when any one fails.
+// Will stop when any one fails unless continueOnFailure is true.
+// All tasks in iterables can be functions or promises. 
+// promises as usual can return other promises or resolve to either truthy or falsy values.
+// functions must return a promise 
 function any(iterable, continueOnFailure) {
   return iterable.reduce( 
       (p, fn, i ,a) => {
 
                   // console.log('Then --pVal = ' + pVal + ' bContinue = ' +  continueOnFailure ); console.log(p);  
                   if(!pVal && !continueOnFailure) {
-                    console.error("E : pVal :" + pVal);
-                    // i==0 ? null :  console.error("E :1 a[i-1] " + a[i-1]);
-                    // a.map((i)=>console.error(i.toString()));
-                    console.error('debugData 3 -------------------');
-                    // console.error(debugData);
-                    console.error('debugData 3 -------------------');
+                    console.error(`E1 : i = ${i} : pVal :` + pVal);
+                    console.error('debugData 2 -------------------');
                     
                     console.log("Cancelling remaining...");
                     throw 'Failed in reduce 1 '
-                    return false; 
                   }
-                  // console.log('calling fn : '+ fn);                 
+                  if(!fn && !continueOnFailure) { console.error('Error : No task specified.'); throw false;}
+                  else if(!fn) return false;
                   return (Promise.resolve(fn) === fn ) ? fn : fn() ;
                 })
               }
               else {
 
+                // We will stop on null resolved values on any one task unless continueOnFailure is true.
                 // console.log('Then --pVal = ' + pVal + ' bContinue = ' +  continueOnFailure ); console.log(p);  
                 if(!pVal && !continueOnFailure) {
-                  console.error("E : pVal :" + pVal);
-                  // i==0 ? null :  console.error("E :1 a[i-1] " + a[i-1]);
-                  // a.map((i)=>console.error(i.toString()));
-                  console.error('debugData 3 -------------------');
-                  // console.error(debugData);
-                  console.error('debugData 3 -------------------');
+                  console.error(`E2 : i = ${i} : pVal :` + pVal);
+                  console.error('debugData 2 -------------------');
                   
                   console.log("Cancelling remaining...");
-                  throw 'Failed in reduce 1 '
-                  return false; 
+                  throw 'Failed in reduce 2 '
                 }
-                // console.log('calling fn : '+ fn);                 
+                if(!fn && !continueOnFailure) { console.error('Error : No task specified.'); throw false;}
+                else if(!fn) return false;
                 return (Promise.resolve(fn) === fn ) ? fn : fn() ;
               }
 
               
               
             }).catch((error) => { 
-              console.error("E : " + error);
+              console.error(`E3 : i = ${i} `);
               fn ? console.error("Fn : " + fn.toString()) : null;
-              // i==0 ? null :  console.error("E :2 a[i-1] " + a[i-1]);
-              // a.map((i)=>console.error(i.toString()));
-              console.error('debugData 4-------------------------');
-              // console.error(debugData);
-              console.error('debugData 4-------------------------');
-
-              throw 'Failed in reduce 2 '              
-              return false; 
+              console.error('debugData 3-------------------------');
+
+              throw 'Failed in reduce 3 '              
             }) 
           }
           else if(!p) {
 
     }
     , 'pull' : (label) => {
+      // Usage :
+      // elxr pull -- Defaults to run config
+      
       var env = Object.assign({}, process.env); // Shallow clone it.
       // console.dir(env)
       console.log('Running exlr pull : ' + path.dirname(__dirname))
         return nodeShellExec('git', ['checkout', checkoutMap[runconfig.NODE_ENV] || runconfig.NODE_ENV], {
           inherit : true, shell: true, 
           cwd : repo
+          , runas : processedArgs.runas
         }).catch((e)=>{ console.error(e) }) 
       }
 
         return nodeShellExec('git', ['merge', mergeSource], {
           inherit : true, shell: true, 
           cwd : repo
+          , runas : processedArgs.runas
         }).catch((e)=>{ console.error(e) }) 
       }
-      if(runconfig.NODE_ENV === 'development') performMerge = ()=>{}
+      if(runconfig.NODE_ENV === 'development') performMerge = ()=>{ return Promise.resolve(true) }
 
       any(tasks).then(()=>{
         if(!processedArgs.runas) return op['runas']() 
         return any(tasks.concat([
           any(gitRepos.map((repo)=>performCheckout(repo))),
           any(elevatedRunasRepos.map((repo)=>performCheckout(repo))),
-          any(gitRepos.map((repo)=>performMerge(repo))),
-          any(elevatedRunasRepos.map((repo)=>performMerge(repo))),
+          any(gitRepos.map((repo)=>performMerge(repo))).catch(err=>{ console.error('error in performMerge ' + err)}) ,
+          any(elevatedRunasRepos.map((repo)=>performMerge(repo))).catch(err=>{ console.error('error in performMerge ' + err)})
           , () => {
             // Move test config from dev.
             if(process.env.NODE_ENV === 'test'){
                 }).catch((e)=>{ console.error(e) })
               )
   
-              Promise.all(promises).then(()=> {
+              return Promise.all(promises).then(()=> {
                 globSync( '**/*.test.js', {cwd : devcfgdir}).map((filename) => {    
   
                   console.log('File found : ' + devcfgdir + filename)       

windowselevate.hta

 </script>
 
 <script language="javascript">
-  // alert(NODE_ENV);
   //WINDOWSTATE="minimize" SHOWINTASKBAR="no" SYSMENU="no" CAPTION="no"
+  // https://devblogs.microsoft.com/scripting/how-can-i-pass-command-line-variables-to-an-hta-when-it-starts/
   // alert(windowselevate.commandLine)
   var args = windowselevate.commandLine.split('"').slice(3);
   // alert(args)