Delta customization

 CACHE_DIR = 
 CACHE_FILE = CACHE_DIR .. 
 REMOTE_URL = 
 CHUNK_NAME = 

 fs = {
	readFile = ((readfile) ==   readfile)  ,
	writeFile = ((writefile) ==   writefile)  ,
	isFile = ((isfile) ==   isfile)  ,
	isFolder = ((isfolder) ==   isfolder)  ,
	makeFolder = ((makefolder) ==   makefolder)  ,
}

 http_req = (() ==   )
	 (() ==   )
	 (() ==   (.request) ==   .request)
	 

  (): 
	 (identifyexecutor) ==  
		 ok, name = (identifyexecutor)
		 ok  (name) ==  
			 name:()
		
	
	 


  (): boolean
	  fs.makeFolder    
	 fs.isFolder 
		 ok, exists = (fs.isFolder, CACHE_DIR)
		 ok  exists    
	
	 (fs.makeFolder, CACHE_DIR)


  (): ?
	  fs.readFile    
	 fs.isFile 
		 okExists, exists = (fs.isFile, CACHE_FILE)
		  (okExists  exists)    
	

	 okRead, content = (fs.readFile, CACHE_FILE)
	 okRead  (content) ==   #content >  
		 content
	
	 


  (content: ): boolean
	  fs.writeFile    
	()
	 (fs.writeFile, CACHE_FILE, content)


  (): (boolean, ?)
	 http_req 
		 ok, res = (http_req, {
			Url = REMOTE_URL,
			Method = ,
			Headers = {
				[] = ,
				[] = ,
			},
		})
		 ok  (res) ==   res.StatusCode ==   (res.Body) ==   #res.Body >  
			 , res.Body
		
	

	 okGet, body = (.HttpGet, , REMOTE_URL)
	 okGet  (body) ==   #body >  
		 , body
	

	 , 


  (source: ): (boolean, ?)
	 chunk, compileErr = (source, CHUNK_NAME)
	  chunk 
		 ,  .. (compileErr)
	

	 success, runtimeErr = (chunk, debug.traceback)
	  success 
		 ,  .. (runtimeErr)
	

	 , 


  (currentSource: ?)
	.(()
		 fetchOk, remoteSource = ()
		  (fetchOk  remoteSource)   

		 currentSource  remoteSource == currentSource 
			
		

		 testCompile, syntaxErr = (remoteSource, CHUNK_NAME)
		  testCompile 
			( .. (syntaxErr))
			
		

		 (remoteSource) 
			()
		
	)


  ()
	 execName = ()
	  execName:() 
		( .. execName .. )
	

	 cachedSource = ()

	 cachedSource 
		 ok, err = (cachedSource)
		 ok 
			(cachedSource)
			
		
			( .. (err))
		
	

	 fetchOk, remoteSource = ()
	(fetchOk  remoteSource, )

	 ok, err = (remoteSource)
	 ok 
		(remoteSource)
	
		( .. (err))
	


()