nu_command/filesystem/
util.rs

1use dialoguer::Input;
2use std::error::Error;
3
4pub fn try_interaction(
5    interactive: bool,
6    prompt: String,
7) -> (Result<Option<bool>, Box<dyn Error>>, bool) {
8    let interaction = if interactive {
9        match get_interactive_confirmation(prompt) {
10            Ok(i) => Ok(Some(i)),
11            Err(e) => Err(e),
12        }
13    } else {
14        Ok(None)
15    };
16
17    let confirmed = match interaction {
18        Ok(maybe_input) => maybe_input.unwrap_or(false),
19        Err(_) => false,
20    };
21
22    (interaction, confirmed)
23}
24
25fn get_interactive_confirmation(prompt: String) -> Result<bool, Box<dyn Error>> {
26    let input = Input::new()
27        .with_prompt(prompt)
28        .validate_with(|c_input: &String| -> Result<(), String> {
29            if c_input.len() == 1
30                && (c_input == "y" || c_input == "Y" || c_input == "n" || c_input == "N")
31            {
32                Ok(())
33            } else if c_input.len() > 1 {
34                Err("Enter only one letter (Y/N)".to_string())
35            } else {
36                Err("Input not valid".to_string())
37            }
38        })
39        .default("Y/N".into())
40        .interact_text()?;
41
42    if input == "y" || input == "Y" {
43        Ok(true)
44    } else {
45        Ok(false)
46    }
47}
nu_command/filesystem/util.rs

nu_command/filesystem/
util.rs
