nicer pipe behavior

1 files changed, 17 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();