From 843f6a9f7ffed9b1e5843778ce907b6382978f80 Mon Sep 17 00:00:00 2001
From: Jonas Maier <jonas@x77.dev>
Date: Thu, 14 May 2026 16:37:21 +0200
Subject: nicer pipe behavior

---
 src/lib.rs         | 24 +++++++++++++++++-------
 src/profile        |  1 +
 src/run/builtin.rs |  1 +
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 2ad9157..3931f5d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -261,16 +261,16 @@ impl Session {
         }
     }
 
-    fn type_byte(&mut self, b: u8) {
-        self.line.add(b);
-        io::stdout().lock().write_all(&[b]).unwrap();
-        self.line.display_post(b"");
-    }
-
     fn type_bytes(&mut self, bs: &[u8]) {
         for b in bs.iter() {
-            self.type_byte(*b);
+            self.line.add(*b);
         }
+        io::stdout().lock().write_all(&bs).unwrap();
+        self.line.display_post(b"");
+    }
+
+    fn type_byte(&mut self, b: u8) {
+        self.type_bytes(&[b]);
     }
 
     fn del_left(&mut self) {
@@ -295,6 +295,16 @@ impl Session {
         }
     }
 
+    fn prompt_pipe_previous(&mut self) {
+        if self.line.is_empty() && let Some(prev) = self.history.last() {
+            let mut cmd = prev.cmd.clone();
+            cmd.push_all(b" | ");
+            self.type_bytes(&cmd);
+        } else {
+            self.type_byte(b'|');
+        }
+    }
+
     fn move_to_begin(&mut self) {
         cursor::move_cursor(Direction::Left, self.line.all_left());
         io::stdout().flush().unwrap();
diff --git a/src/profile b/src/profile
index 5283e8f..59fc961 100644
--- a/src/profile
+++ b/src/profile
@@ -18,6 +18,7 @@ bind key \r     ct try_submit_command
 bind key \n     ct try_submit_command
 bind key \x1bd  ct prompt_del_right_word
 bind key \x17   ct prompt_del_left_word
+bind key '|'    ct prompt_pipe_previous
 
 alias ls = 'ls --color=auto'
 echo hello to pish!
diff --git a/src/run/builtin.rs b/src/run/builtin.rs
index 044206d..d00c140 100644
--- a/src/run/builtin.rs
+++ b/src/run/builtin.rs
@@ -793,6 +793,7 @@ impl Builtin for ct {
             b"prompt_del_left_word" => se.del_left_word(),
             b"prompt_del_right_word" => se.del_right_word(),
             b"prompt_del_left_or_previous" => se.del_left_or_previous(),
+            b"prompt_pipe_previous" => se.prompt_pipe_previous(),
             b"complete" => {
                 drop(se);
                 Session::complete(session)
-- 
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