init: Honor config-dir flag when it is passed as global or local flag (#3337)

setGlobalsFromContext() is added to sets global variable after parsing
command line arguments.

cmd/version-main.go

@@ -44,6 +44,10 @@ func mainVersion(ctx *cli.Context) {
 		cli.ShowCommandHelpAndExit(ctx, "version", 1)
 	}
 
+	setGlobalsFromContext(ctx)
+
+	checkUpdate()
+
 	console.Println("Version: " + Version)
 	console.Println("Release-Tag: " + ReleaseTag)
 	console.Println("Commit-ID: " + CommitID)