Added a prompt to confirm risky actions like deleting a repo

Fix #3

1 files changed, 32 insertions, 3 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 62c050a..fded885 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,7 @@ pub mod user_info;
 use comfy_table::Table;
 use humansize::{format_size, BINARY};
 use parser::*;
-use rustyline::error::ReadlineError;
+use rustyline::{error::ReadlineError, DefaultEditor};
 use std::{io, ops::ControlFlow};
 use thiserror::Error;
 
@@ -60,8 +60,15 @@ pub fn run_command(user_input: &str) -> Result<ControlFlow<(), ()>, ShackleError
             println!("Successfully created \"{}\"", init_result.path.display());
         }
         Ok(ShackleCommand::Delete(DeleteArgs { directory })) => {
-            git::delete(&directory)?;
-            println!("Successfully deleted \"{}\"", directory.display());
+            if confirm_risky_action(format!(
+                "Are you sure you want to delete \"{}\"?",
+                directory.display()
+            ))? {
+                git::delete(&directory)?;
+                println!("Successfully deleted \"{}\"", directory.display());
+            } else {
+                println!("Action cancelled");
+            }
         }
         Ok(ShackleCommand::Housekeeping(HousekeepingArgs { directory })) => match directory {
             Some(directory) => {
@@ -92,6 +99,28 @@ pub fn run_command(user_input: &str) -> Result<ControlFlow<(), ()>, ShackleError
     Ok(ControlFlow::Continue(()))
 }
 
+fn confirm_risky_action(prompt: String) -> Result<bool, ShackleError> {
+    let mut rl = DefaultEditor::new()?;
+    loop {
+        let user_input = rl
+            .readline(&format!("{} (yes/no) ", prompt))
+            .map(|user_input| user_input.to_lowercase())?;
+
+        match user_input.trim() {
+            "" => {}
+            "yes" => {
+                return Ok(true);
+            }
+            "no" => {
+                return Ok(false);
+            }
+            _ => {
+                println!("Please answer 'yes' or 'no'.");
+            }
+        }
+    }
+}
+
 #[derive(Error, Debug)]
 pub enum ShackleError {
     #[error(transparent)]