enh: display directory base name as terminal title on Unix based systems (~/dir)

crates/deno_task_shell/src/shell/types.rs

@@ -6,7 +6,6 @@ use std::collections::HashMap;
 use std::fmt;
 use std::fmt::Display;
 use std::fs;
-use std::io::IsTerminal as _;
 use std::io::Read;
 use std::io::Write;
 use std::path::Path;
@@ -54,16 +53,6 @@ pub struct ShellState {
     shell_options: HashMap<ShellOptions, bool>,
 }
 
-#[allow(clippy::print_stdout)]
-pub fn set_terminal_title(title: &str) {
-    // Only set title if we're in an interactive terminal session
-    if std::io::stdout().is_terminal() {
-        // OSC 0 ; title BEL - works in most terminals
-        print!("\x1B]0;{}\x07", title);
-        // Ensure it's displayed immediately
-        let _ = std::io::stdout().flush();
-    }
-}
 
 impl ShellState {
     pub fn new(
@@ -186,7 +175,6 @@ impl ShellState {
         self.previous_cwd = Some(self.cwd.clone());
         self.cwd = cwd.to_path_buf();
 
-        set_terminal_title(&format!("{} - shell", self.cwd.to_string_lossy(),));
         // $PWD holds the current working directory, so we keep cwd and $PWD in sync
         self.env_vars
             .insert("PWD".to_string(), self.cwd.display().to_string());

crates/shell/src/main.rs

@@ -157,7 +157,17 @@ async fn interactive(state: Option<ShellState>, norc: bool, args: &[String]) ->
             }
 
             let mut display_cwd = if let Some(stripped) = cwd.strip_prefix(home_str) {
-                format!("~{}", stripped.replace('\\', "/"))
+                if cfg!(unix) {
+                    format!(
+                        "~/{}",
+                        PathBuf::from(stripped.replace('\\', "/"))
+                            .file_name()
+                            .unwrap_or_default()
+                            .to_string_lossy()
+                    )
+                } else {
+                    format!("~{}", stripped.replace('\\', "/"))
+                }
             } else {
                 cwd.to_string()
             };