Various bugfixes

src/prompt/mod.rs

@@ -1,5 +1,6 @@
 pub mod highlight;
 pub mod readline;
+pub mod statusline;
 
 
 use readline::{FernVi, Readline};

src/prompt/readline/history.rs

@@ -1,4 +1,5 @@
 use std::{
+  collections::HashSet,
   env,
   fmt::{Display, Write},
   fs::{self, OpenOptions},
@@ -194,6 +195,22 @@ fn read_hist_file(path: &Path) -> ShResult<Vec<HistEntry>> {
   Ok(raw.parse::<HistEntries>()?.0)
 }
 
+/// Deduplicate entries, keeping only the most recent occurrence of each command.
+/// Preserves chronological order (oldest to newest).
+fn dedupe_entries(entries: &[HistEntry]) -> Vec<HistEntry> {
+  let mut seen = HashSet::new();
+  // Iterate backwards (newest first), keeping first occurrence of each command
+  entries
+    .iter()
+    .rev()
+    .filter(|ent| seen.insert(ent.command.clone()))
+    .cloned()
+    .collect::<Vec<_>>()
+    .into_iter()
+    .rev() // Restore chronological order
+    .collect()
+}
+
 pub struct History {
   path: PathBuf,
   entries: Vec<HistEntry>,
@@ -222,7 +239,7 @@ impl History {
         new: true,
       })
     }
-    let search_mask = entries.clone();
+    let search_mask = dedupe_entries(&entries);
     let cursor = entries.len() - 1;
     let mut new = Self {
       path,
@@ -288,15 +305,16 @@ impl History {
     match kind {
       SearchKind::Prefix => {
         if term.is_empty() {
-          self.search_mask = self.entries.clone();
+          self.search_mask = dedupe_entries(&self.entries);
         } else {
-          let filtered = self
+          let filtered: Vec<_> = self
             .entries
-            .clone()
-            .into_iter()
-            .filter(|ent| ent.command().starts_with(&term));
+            .iter()
+            .filter(|ent| ent.command().starts_with(&term))
+            .cloned()
+            .collect();
 
-          self.search_mask = filtered.collect();
+          self.search_mask = dedupe_entries(&filtered);
         }
         self.cursor = self.search_mask.len().saturating_sub(1);
       }

src/prompt/readline/linebuf.rs

@@ -362,6 +362,8 @@ impl LineBuf {
       let hint = hint.strip_prefix(&self.buffer).unwrap(); // If this ever panics, I will eat my hat
       if !hint.is_empty() {
         self.hint = Some(hint.to_string())
+      } else {
+        self.hint = None
       }
     } else {
       self.hint = None

src/prompt/readline/mod.rs

@@ -57,7 +57,6 @@ impl Readline for FernVi {
 				Err(_) | Ok(None) => {
 					flog!(DEBUG, "EOF detected");
 					raw_mode_guard.disable_for(|| self.writer.flush_write("\n"))?;
-					std::mem::drop(raw_mode_guard);
 					return Err(ShErr::simple(ShErrKind::ReadlineErr, "EOF"));
 				}
 
@@ -68,7 +67,6 @@ impl Readline for FernVi {
       if self.should_accept_hint(&key) {
         self.editor.accept_hint();
         self.history.update_pending_cmd(self.editor.as_str());
-        self.print_line()?;
         continue;
       }
 
@@ -81,19 +79,22 @@ impl Readline for FernVi {
 
       if self.should_grab_history(&cmd) {
         self.scroll_history(cmd);
-        self.print_line()?;
         continue;
       }
 
       if cmd.should_submit() {
         raw_mode_guard.disable_for(|| self.writer.flush_write("\n"))?;
-        std::mem::drop(raw_mode_guard);
-        return Ok(self.editor.take_buf());
+        let buf = self.editor.take_buf();
+        // Save command to history
+        self.history.push(buf.clone());
+        if let Err(e) = self.history.save() {
+          eprintln!("Failed to save history: {e}");
+        }
+        return Ok(buf);
       }
 
       if cmd.verb().is_some_and(|v| v.1 == Verb::EndOfFile) {
         if self.editor.buffer.is_empty() {
-          std::mem::drop(raw_mode_guard);
 					return Err(ShErr::simple(ShErrKind::CleanExit(0), "exit"));
         } else {
           self.editor.buffer.clear();

src/prompt/readline/term.rs

@@ -36,6 +36,9 @@ pub fn raw_mode() -> RawModeGuard {
     &raw,
   )
   .expect("Failed to set terminal to raw mode");
+
+	let (cols, rows) = get_win_size(STDIN_FILENO);
+
   RawModeGuard {
     orig,
     fd: STDIN_FILENO,

src/prompt/statusline.rs

@@ -0,0 +1 @@
+

src/signal.rs

@@ -103,6 +103,11 @@ pub fn sig_setup() {
 			flags,
 			SigSet::empty(),
 		),
+		SigAction::new(
+			SigHandler::Handler(handle_sigwinch),
+			flags,
+			SigSet::empty(),
+		),
 	];
 
 
@@ -114,9 +119,19 @@ pub fn sig_setup() {
 		sigaction(Signal::SIGINT, &actions[4]).unwrap();
 		sigaction(Signal::SIGTTIN, &actions[5]).unwrap();
 		sigaction(Signal::SIGTTOU, &actions[6]).unwrap();
+		sigaction(Signal::SIGWINCH, &actions[7]).unwrap();
   }
 }
 
+extern "C" fn handle_sigwinch(_: libc::c_int) {
+	/* do nothing
+	 * this exists for the sole purpose of interrupting readline
+	 * readline will be refreshed after the interruption,
+	 * which will cause window size calculations to be re-run
+	 * and we get window resize handling for free as a result
+	 */
+}
+
 extern "C" fn handle_sighup(_: libc::c_int) {
 	GOT_SIGHUP.store(true, Ordering::SeqCst);
 	SHOULD_QUIT.store(true, Ordering::SeqCst);