From 965196972fa27237b6cb97209c915381a95a5bef Mon Sep 17 00:00:00 2001
From: Jonas Maier <>
Date: Tue, 17 Mar 2026 15:23:43 +0100
Subject: builtin to determine what completion would do

---
 src/run/builtin.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/run/builtin.rs')

diff --git a/src/run/builtin.rs b/src/run/builtin.rs
index 141357f..f0cb999 100644
--- a/src/run/builtin.rs
+++ b/src/run/builtin.rs
@@ -375,6 +375,33 @@ impl Builtin for parse {
     }
 }
 
+pub struct completion;
+impl Builtin for completion {
+    fn name(&self) -> &str {
+        "completion"
+    }
+
+    fn io(
+        &self,
+        session: Arc<Mutex<Session>>,
+        args: &[BString],
+        _stdin: &mut dyn Read,
+        stdout: &mut dyn Write,
+    ) -> Result {
+        for arg in args {
+            let c = crate::completion(session.clone(), &arg);
+            write!(stdout, "{:?} ", c.kind)?;
+            stdout.write_all(&c.shared_prefix)?;
+            for s in c.suggestions {
+                stdout.write_all(b" ")?;
+                stdout.write_all(&s.display)?;
+            }
+            stdout.write_all(b"\n")?;
+        }
+        Ok(())
+    }
+}
+
 pub struct null;
 impl Builtin for null {
     fn name(&self) -> &str {
-- 
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