From 0610f6a103b5c074d462454f10a35f42e7ca773f Mon Sep 17 00:00:00 2001
From: Seyon Sivarajah <seyon.sivarajah@quantinuum.com>
Date: Tue, 9 Jul 2024 10:51:29 +0100
Subject: [PATCH] clone input

---
 hugr-cli/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hugr-cli/src/lib.rs b/hugr-cli/src/lib.rs
index 07982b589..9466cdb8d 100644
--- a/hugr-cli/src/lib.rs
+++ b/hugr-cli/src/lib.rs
@@ -47,7 +47,7 @@ pub const VALID_PRINT: &str = "HUGR valid!";
 impl CmdLineArgs {
     /// Run the HUGR cli and validate against an extension registry.
     pub fn run(&self, registry: &ExtensionRegistry) -> Result<Hugr, CliError> {
-        let mut hugr: Hugr = serde_json::from_reader(self.input.into_reader()?)?;
+        let mut hugr: Hugr = serde_json::from_reader(self.input.clone().into_reader()?)?;
         if self.mermaid {
             println!("{}", hugr.mermaid_string());
         }