Merge pull request #30 from smkniazi/version

Added version switch to cli

Author: smkniazi

Version.go

@@ -2,7 +2,7 @@ package main
 
 var (
 	//TODO: Add Version tag, manually update
-	// VERSION = "0.0.1"
+	VERSION = "1.1.0"
 
 	// GITCommit overwritten automatically by the build
 	GITCOMMIT = "HEAD"

main.go

@@ -30,6 +30,7 @@ var expandZips *bool
 var readOnly *bool
 var tls *bool
 var connectors int
+var version *bool
 
 func main() {
 
@@ -154,10 +155,16 @@ func parseArgsAndInitLogger(retryPolicy *RetryPolicy) {
 	flag.StringVar(&mntSrcDir, "srcDir", "/", "HopsFS src directory")
 	flag.StringVar(&logFile, "logFile", "", "Log file path. By default the log is written to console")
 	flag.IntVar(&connectors, "numConnections", 1, "Number of connections with the namenode")
+	version = flag.Bool("version", false, "Print version")
 
 	flag.Usage = Usage
 	flag.Parse()
 
+	if *version {
+		fmt.Println(VERSION)
+		os.Exit(0)
+	}
+
 	if flag.NArg() != 2 {
 		Usage()
 		os.Exit(2)