prompt fn

src/main.rs

@@ -90,6 +90,25 @@ fn list() -> io:: Result<()> {
     Ok(())
 }
 
+enum PROMPT {
+    YES,
+    NO
+}
+
+fn get_prompt(question: &str) -> io::Result<PROMPT> {
+    print!("{} [Y/n] ", question);
+    io::stdout().flush()?;
+    let mut input = String::new();
+    io::stdin().read_line(&mut input)?;
+    let input = input.trim().to_lowercase();
+    match input.as_str() {
+        "y" => Ok(PROMPT::YES),
+        "n" => Ok(PROMPT::NO),
+        _ => Ok(PROMPT::YES),
+    }
+
+}
+
 fn main() -> io::Result<()> {
     let cli = Cli::parse();
     match &cli.command {
@@ -104,22 +123,14 @@ fn main() -> io::Result<()> {
         }
         None => {
             if !is_inited() {
-                print!("Do you want to init your storage? [Y/n] ");
-                io::stdout().flush().expect("Failed to flush stdout");
-                let mut input = String::new();
-                io::stdin()
-                    .read_line(&mut input)
-                    .expect("Failed to read answer");
-                let input = input.trim().to_lowercase();
-                match input.as_str() {
-                    "y" => init()?,
-                    "n" => {
+                match get_prompt("Do you want to init your storage?")? {
+                    PROMPT::YES => init()?,
+                    PROMPT::NO => {
                         println!("mps can work only when storage inited.");
                         println!("Hint: you cant do");
                         println!("  git clone <your_storage_git_url> {}", STORAGE_FOLDER);
                         println!("to init manually your storage and config")
                     },                   
-                    _ => init()?,
                 }    
             } else {
                 println!("login, not implemented yet")