temp timestamped run folder for every run with auto delete after limit

i.js

-/* Version: 1.0.0 - May 11, 2021 23:29:35 */
+/* Version: 1.0.0 - May 12, 2021 19:58:01 */
 'use strict';
 
 var path$1 = require('path');
 
 
 
-const BUILD_VERSION = 'Version: 1.0.0 - built on May 11, 2021 23:29:35';
+const BUILD_VERSION = 'Version: 1.0.0 - built on May 12, 2021 19:58:01';
+const runtimestamp = (new Date()).getTime();
 function getVersion() { return BUILD_VERSION; }
 console.log(getVersion());
 
         console.log('result : ' + JSON.stringify(r));
         Object.keys(processedArgs).forEach((v) => { v != '_' ? namedArgs.push('--' + v + '=' + processedArgs[v]) : null; });
         // PB : TODO -- Convert all the cli args back to string.
-        var args = [__dirname + '/.run/windowselevate.hta'].concat(processedArgs._).concat(namedArgs.join(' ')); args.push('--runas=self');
+        var args = [`${selectedinstance.root}/.elxr/run-${runtimestamp}/windowselevate.hta`].concat(processedArgs._).concat(namedArgs.join(' ')); args.push('--runas=self');
         args.push('--nodepath=' + r[r.length - 1]);
         if (!processedArgs.node_env) args.push('--node_env=' + ENV.NODE_ENV);
         if (processedArgs.debug) args.push('--debug=true'); // Enable to debug elevated..
       });
     };
 
-    const { readdir } = fs__default['default'].promises;
-
-    const dirs = async (perform, path) => {
-      for (const dir of await readdir(path || process.cwd(), { withFileTypes: true })) {
-        if (dir.isDirectory()) perform(dir);
-      }
-    };
+    fs__default['default'].promises;
 
     dirs(perform_git_add);
   }
       });
     };
 
-    const { readdir } = fs__default['default'].promises;
-
-    const dirs = async (perform, path) => {
-      for (const dir of await readdir(path || process.cwd(), { withFileTypes: true })) {
-        if (dir.isDirectory()) perform(dir);
-      }
-    };
+    fs__default['default'].promises;
 
     dirs(perform_git_remove);
   }
       });
     };
 
-    const { readdir } = fs__default['default'].promises;
-
-    const dirs = async (perform, path) => {
-      for (const dir of await readdir(path || process.cwd(), { withFileTypes: true })) {
-        if (dir.isDirectory()) perform(dir);
-      }
-    };
+    fs__default['default'].promises;
 
     dirs(perform_init_gitea);
   }
       var steps = [
         () => {
           if (!existsSync(downloadsdir + '/' + this.installer)) {
-            return nodeShellExec('.run/download.bat', [this.url, downloadsdir + '/' + this.installer])
+            return nodeShellExec(`${selectedinstance.root}/.elxr/run-${runtimestamp}/download.bat`, [this.url, downloadsdir + '/' + this.installer])
           }
           else return Promise.resolve(true)
         }
 
 var mainTasks = [];
 function verifyAndInstallPrerequisites() {
-  fs.writeFileSync(ensureDirectoryExistence(path__default['default'].normalize(downloadsdir + '/readme.txt')), `${getVersion()} Your local downloads for this instance`);
-  // PB : TODO -- Keep only the last n runs...
-  ensureDirectoryExistence('.run/download.bat');
-
+  fs.writeFileSync(ensureDirectoryExistence(path__default['default'].normalize(`${selectedinstance.root}/${downloadsdir}/readme.txt`)), `${getVersion()} Your local downloads for this instance`);
+  
   // PB : TODO include and build from files... using rollup..
   var downloadbatch =
     `::**************************************************************************
     (New-Object System.Net.WebClient).DownloadFile('%1','%2')
   exit /b
   ::**************************************************************************`;
-  fs.writeFileSync('.run/download.bat', downloadbatch);
+  fs.writeFileSync(`${selectedinstance.root}/.elxr/run-${runtimestamp}/download.bat`, downloadbatch);
 
   
   var windowselevate =
       </html>
     
     `;
-  fs.writeFileSync('.run/windowselevate.hta', windowselevate);
+  fs.writeFileSync(`${selectedinstance.root}/.elxr/run-${runtimestamp}/windowselevate.hta`, windowselevate);
 
-  
-  
   var downloadtasks = [];
   var installtasks = [];
   prerequisites.forEach(preq => {
     })
   };
 
+  const retaincount = 2;
+  var min = runtimestamp;
+  var collect = [];
+  
+
   return detectInstance().then((detectedInstance)=>{
 
     processedArgs._[1] ? clioverrides.instanceName = processedArgs._[1]: null;
     }
 
     return todo
-  }).then(()=>{
+  })
+  .then(()=>{
+
+    if(!__isElevated) {
+      ensureDirectoryExistence(`${selectedinstance.root}/.elxr/readme.txt`);
+      // collect garbage
+      return dirs( (dir)=>{
+        var matches = /run-(.*)/gm.exec(dir.name);
+        if(matches) {
+          if(+(matches[1]) < min) {
+            min = matches[1];
+            collect.splice( 0, 0, matches[1] ); 
+          }
+          else collect.push(matches[1]);
+        }
+  
+      }, `${selectedinstance.root}/.elxr` ).then(()=>{
+        // delete garbage
+        if(collect.length > retaincount) {
+  
+          var asyncs = [];
+          while((collect.length - asyncs.length) > retaincount) {
+            asyncs.push(getShellTask('rm',['-rf', `run-${collect[asyncs.length]}`], { cwd : `${selectedinstance.root}/.elxr` })());
+          }
+          return Promise.all(asyncs)
+        }
+        else return true
+      })
+    }
+    else return true;
+  })
+  .then(()=>{
+    // PB : TODO -- Keep only the last n runs...
+    // Currently it retains 2*n when proc needs to be relaunched in elevated mode !!!
+    ensureDirectoryExistence(`${selectedinstance.root}/.elxr/run-${runtimestamp}/download.bat`);
+    
     if (!__isElevated) mainTasks.push(verifyAndInstallPrerequisites);
     mainTasks.push(maintask);
     return any(mainTasks);

index.js

         if(collect.length > retaincount) {
   
           var asyncs = [];
-          while((collect.length - asyncs.length) > retaincount) asyncs.push(getShellTask('rm',['-rf', `run-${collect[0]}`], { cwd : `${selectedinstance.root}/.elxr` })());
+          while((collect.length - asyncs.length) > retaincount) {
+            asyncs.push(getShellTask('rm',['-rf', `run-${collect[asyncs.length]}`], { cwd : `${selectedinstance.root}/.elxr` })());
+          }
           return Promise.all(asyncs)
         }
         else return true
   })
   .then(()=>{
     // PB : TODO -- Keep only the last n runs...
+    // Currently it retains 2*n when proc needs to be relaunched in elevated mode !!!
     ensureDirectoryExistence(`${selectedinstance.root}/.elxr/run-${runtimestamp}/download.bat`)
     
     if (!skipprerequisites && !__isElevated) mainTasks.push(verifyAndInstallPrerequisites);

package-lock.json

+{
+  "name": "elxr",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "dev": true,
+      "requires": {
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+        "is-reference": "^1.2.1",
+        "magic-string": "^0.25.7",
+        "resolve": "^1.17.0"
+      }
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+        "is-module": "^1.0.0",
+        "resolve": "^1.19.0"
+      }
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+        "estree-walker": "^1.0.1",
+        "picomatch": "^2.2.2"
+      },
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