refact: Handle temporary directories entirely within core

core/src/inner.rs

@@ -1,6 +1,7 @@
 use std::{
     fs::File,
     io::{BufRead, BufReader, Read},
+    ops::{Deref, DerefMut},
     os::unix::fs::PermissionsExt,
     path::{Path, PathBuf},
     rc::Rc,
@@ -14,8 +15,26 @@ use temp_dir::TempDir;
 
 const TAB_DATA: Dir = include_dir!("$CARGO_MANIFEST_DIR/tabs");
 
-pub fn get_tabs(validate: bool) -> (TempDir, Vec<Tab>) {
-    let (temp_dir, tab_files) = TabList::get_tabs();
+// Allow the unused TempDir to be stored for later destructor call
+#[allow(dead_code)]
+pub struct TabList(pub Vec<Tab>, TempDir);
+
+// Implement deref to allow Vec<Tab> methods to be called on TabList
+impl Deref for TabList {
+    type Target = Vec<Tab>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl DerefMut for TabList {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+pub fn get_tabs(validate: bool) -> TabList {
+    let (temp_dir, tab_files) = TabDirectories::get_tabs();
 
     let tabs: Vec<_> = tab_files
         .into_iter()
@@ -62,11 +81,11 @@ pub fn get_tabs(validate: bool) -> (TempDir, Vec<Tab>) {
     if tabs.is_empty() {
         panic!("No tabs found");
     }
-    (temp_dir, tabs)
+    TabList(tabs, temp_dir)
 }
 
 #[derive(Deserialize)]
-struct TabList {
+struct TabDirectories {
     directories: Vec<PathBuf>,
 }
 
@@ -252,9 +271,9 @@ fn is_executable(path: &Path) -> bool {
         .unwrap_or(false)
 }
 
-impl TabList {
+impl TabDirectories {
     fn get_tabs() -> (TempDir, Vec<PathBuf>) {
-        let temp_dir = TempDir::new().unwrap();
+        let temp_dir = TempDir::with_prefix("linutil_scripts").unwrap();
         TAB_DATA
             .extract(&temp_dir)
             .expect("Failed to extract the saved directory");

core/src/lib.rs

@@ -5,7 +5,7 @@ use std::rc::Rc;
 use ego_tree::Tree;
 use std::path::PathBuf;
 
-pub use inner::get_tabs;
+pub use inner::{get_tabs, TabList};
 
 #[derive(Clone, Hash, Eq, PartialEq)]
 pub enum Command {

tui/Cargo.toml

@@ -22,7 +22,6 @@ oneshot = "0.1.8"
 portable-pty = "0.8.1"
 ratatui = "0.28.1"
 tui-term = "0.1.12"
-temp-dir = "0.1.14"
 unicode-width = "0.2.0"
 rand = { version = "0.8.5", optional = true }
 linutil_core = { path = "../core", version = "24.9.28" }

tui/src/state.rs

@@ -11,7 +11,7 @@ use crate::{
 };
 use crossterm::event::{KeyCode, KeyEvent, KeyEventKind, KeyModifiers};
 use ego_tree::NodeId;
-use linutil_core::{ListNode, Tab};
+use linutil_core::{ListNode, TabList};
 #[cfg(feature = "tips")]
 use rand::Rng;
 use ratatui::{
@@ -21,7 +21,6 @@ use ratatui::{
     widgets::{Block, Borders, List, ListState, Paragraph},
     Frame,
 };
-use temp_dir::TempDir;
 
 const MIN_WIDTH: u16 = 77;
 const MIN_HEIGHT: u16 = 19;
@@ -41,14 +40,12 @@ P* - privileged *
 ";
 
 pub struct AppState {
-    /// This must be passed to retain the temp dir until the end of the program
-    _temp_dir: TempDir,
     /// Selected theme
     theme: Theme,
     /// Currently focused area
     pub focus: Focus,
     /// List of tabs
-    tabs: Vec<Tab>,
+    tabs: TabList,
     /// Current tab
     current_tab: ListState,
     /// This stack keeps track of our "current directory". You can think of it as `pwd`. but not
@@ -81,11 +78,10 @@ pub struct ListEntry {
 
 impl AppState {
     pub fn new(theme: Theme, override_validation: bool) -> Self {
-        let (temp_dir, tabs) = linutil_core::get_tabs(!override_validation);
+        let tabs = linutil_core::get_tabs(!override_validation);
         let root_id = tabs[0].tree.root().id();
 
         let mut state = Self {
-            _temp_dir: temp_dir,
             theme,
             focus: Focus::List,
             tabs,