From 19188fabb9d502429695ed05c4b496155a1f0129 Mon Sep 17 00:00:00 2001
From: Andrew Phillips <andrew.phillips2@canada.ca>
Date: Wed, 3 Sep 2025 07:49:53 -0300
Subject: [PATCH] feat: Implement `clone_box` for StripAnsiFilter and
 GrepFilter

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>
---
 src/filter_plugin/grep.rs       | 6 ++++++
 src/filter_plugin/mod.rs        | 1 +
 src/filter_plugin/strip_ansi.rs | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/src/filter_plugin/grep.rs b/src/filter_plugin/grep.rs
index 4a3a118..bc31445 100644
--- a/src/filter_plugin/grep.rs
+++ b/src/filter_plugin/grep.rs
@@ -27,4 +27,10 @@ impl FilterPlugin for GrepFilter {
         }
         Ok(())
     }
+
+    fn clone_box(&self) -> Box<dyn FilterPlugin> {
+        Box::new(Self {
+            regex: self.regex.clone(),
+        })
+    }
 }
diff --git a/src/filter_plugin/mod.rs b/src/filter_plugin/mod.rs
index ff18e3e..833f972 100644
--- a/src/filter_plugin/mod.rs
+++ b/src/filter_plugin/mod.rs
@@ -11,6 +11,7 @@ pub mod utils;
 
 pub trait FilterPlugin: Send {
     fn filter(&mut self, reader: Box<&mut dyn Read>, writer: Box<&mut dyn Write>) -> Result<()>;
+    fn clone_box(&self) -> Box<dyn FilterPlugin>;
 }
 
 #[derive(Debug, EnumString, strum::VariantNames)]
diff --git a/src/filter_plugin/strip_ansi.rs b/src/filter_plugin/strip_ansi.rs
index 0289d91..afc0d43 100644
--- a/src/filter_plugin/strip_ansi.rs
+++ b/src/filter_plugin/strip_ansi.rs
@@ -16,4 +16,8 @@ impl FilterPlugin for StripAnsiFilter {
         std::io::copy(&mut *reader, &mut ansi_writer)?;
         ansi_writer.flush()
     }
+
+    fn clone_box(&self) -> Box<dyn FilterPlugin> {
+        Box::new(Self)
+    }
 }