Add ask password prompt

src/confirm.rs

@@ -20,7 +20,7 @@ impl DialogPlugin {
         }
 
         if call.has_flag("abortable") {
-            let result = confirm.prompt_opt()?;
+            let result = confirm.ask_opt(call.head)?;
 
             if let Some(val) = result {
                 Ok(Value::Bool {
@@ -31,7 +31,7 @@ impl DialogPlugin {
                 Ok(Value::Nothing { span: call.head })
             }
         } else {
-            let result = confirm.prompt()?;
+            let result = confirm.ask(call.head)?;
             Ok(Value::Bool {
                 val: result,
                 span: call.head,

src/lib.rs

@@ -3,6 +3,7 @@ use nu_plugin::{LabeledError, Plugin};
 use nu_protocol::{PluginSignature, SyntaxShape};
 
 mod confirm;
+mod password;
 mod prompt;
 mod select;
 
@@ -63,6 +64,25 @@ impl Plugin for DialogPlugin {
                     None,
                 )
                 .category(nu_protocol::Category::Misc),
+            PluginSignature::build("ask password")
+                .usage("Prompt the user with a password input.")
+                .named(
+                    "prompt",
+                    SyntaxShape::String,
+                    "The prompt to this password input",
+                    None,
+                )
+                .switch(
+                    "confirm",
+                    "Prompts the user twice for matching password inputs",
+                    None,
+                )
+                .switch(
+                    "allow-empty",
+                    "Allows the user to input an empty password",
+                    None,
+                )
+                .category(nu_protocol::Category::Misc),
         ]
     }
 
@@ -75,6 +95,7 @@ impl Plugin for DialogPlugin {
         match name {
             "ask confirm" => self.confirm(call, input),
             "ask select" => self.select(call, input),
+            "ask password" => self.password(call, input),
             "ask" => 
             Err(LabeledError {
                 label: "Missing subcommand".into(),

src/password.rs

@@ -0,0 +1,27 @@
+use nu_plugin::{EvaluatedCall, LabeledError};
+use nu_protocol::Value;
+
+use crate::{prompt::UserPrompt, DialogPlugin};
+
+impl DialogPlugin {
+    pub(crate) fn password(
+        &self,
+        call: &EvaluatedCall,
+        _input: &Value,
+    ) -> Result<Value, LabeledError> {
+        let mut pw_input = dialoguer::Password::with_theme(&*self.theme);
+
+        pw_input.allow_empty_password(call.has_flag("allow-empty"));
+
+        if call.has_flag("confirm") {
+            pw_input.with_confirmation("Repeat your input", "Error: The inputs don't match");
+        }
+
+        let password = pw_input.ask(call.head)?;
+
+        Ok(Value::String {
+            val: password,
+            span: call.head,
+        })
+    }
+}

src/prompt/generic_select.rs

@@ -1,4 +1,5 @@
 use dialoguer::{theme::Theme, FuzzySelect, Select};
+use nu_protocol::Span;
 
 use super::{create_labeled_error, UserPrompt};
 
@@ -44,20 +45,20 @@ impl<'a> GenericSelect<'a> {
 impl<'a> UserPrompt for GenericSelect<'a> {
     type Output = usize;
 
-    fn prompt(&self) -> Result<Self::Output, nu_plugin::LabeledError> {
+    fn ask(&self, span: Span) -> Result<Self::Output, nu_plugin::LabeledError> {
         match self {
             GenericSelect::Fuzzy(f) => f.interact(),
             GenericSelect::Normal(n) => n.interact(),
         }
-        .map_err(create_labeled_error)
+        .map_err(|e| create_labeled_error(e, span))
     }
 
-    fn prompt_opt(&self) -> Result<Option<Self::Output>, nu_plugin::LabeledError> {
+    fn ask_opt(&self, span: Span) -> Result<Option<Self::Output>, nu_plugin::LabeledError> {
         match self {
             GenericSelect::Fuzzy(f) => f.interact_opt(),
             GenericSelect::Normal(n) => n.interact_opt(),
         }
-        .map_err(create_labeled_error)
+        .map_err(|e| create_labeled_error(e, span))
     }
 }
 

src/prompt/mod.rs

@@ -1,33 +1,48 @@
 use std::io;
 
+use dialoguer::Password;
 use nu_plugin::LabeledError;
 mod generic_select;
 pub use generic_select::GenericSelect;
+use nu_protocol::Span;
 
 pub trait UserPrompt {
     type Output;
 
-    fn prompt(&self) -> Result<Self::Output, LabeledError>;
+    fn ask(&self, span: Span) -> Result<Self::Output, LabeledError>;
 
-    fn prompt_opt(&self) -> Result<Option<Self::Output>, LabeledError>;
+    fn ask_opt(&self, span: Span) -> Result<Option<Self::Output>, LabeledError>;
 }
 
 impl<'a> UserPrompt for dialoguer::Confirm<'a> {
     type Output = bool;
 
-    fn prompt(&self) -> Result<Self::Output, LabeledError> {
-        self.interact().map_err(create_labeled_error)
+    fn ask(&self, span: Span) -> Result<Self::Output, LabeledError> {
+        self.interact().map_err(|e| create_labeled_error(e, span))
     }
 
-    fn prompt_opt(&self) -> Result<Option<Self::Output>, LabeledError> {
-        self.interact_opt().map_err(create_labeled_error)
+    fn ask_opt(&self, span: Span) -> Result<Option<Self::Output>, LabeledError> {
+        self.interact_opt()
+            .map_err(|e| create_labeled_error(e, span))
     }
 }
 
-fn create_labeled_error(e: io::Error) -> LabeledError {
+impl<'a> UserPrompt for Password<'a> {
+    type Output = String;
+
+    fn ask(&self, span: Span) -> Result<Self::Output, LabeledError> {
+        self.interact().map_err(|e| create_labeled_error(e, span))
+    }
+
+    fn ask_opt(&self, span: Span) -> Result<Option<Self::Output>, LabeledError> {
+        self.ask(span).map(Option::Some)
+    }
+}
+
+fn create_labeled_error(e: io::Error, span: Span) -> LabeledError {
     LabeledError {
         label: "Failed to prompt user".into(),
         msg: e.to_string(),
-        span: None,
+        span: Some(span),
     }
 }

src/select.rs

@@ -29,7 +29,7 @@ impl DialogPlugin {
         }
 
         if call.has_flag("abortable") {
-            if let Some(selection) = select.prompt_opt()? {
+            if let Some(selection) = select.ask_opt(call.head)? {
                 let selected_item = options.remove(selection);
 
                 Ok(Value::String {
@@ -40,7 +40,7 @@ impl DialogPlugin {
                 Ok(Value::Nothing { span: call.head })
             }
         } else {
-            let selection = select.prompt()?;
+            let selection = select.ask(call.head)?;
             let selected_item = options.remove(selection);
 
             Ok(Value::String {