From 46d1b6266062fa85267532613d181c51ea884e01 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Sat, 4 Dec 2021 02:26:09 -0500
Subject: eliminate an intermediate process

---
 src/bin/ttyrec/main.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/bin/ttyrec/main.rs b/src/bin/ttyrec/main.rs
index 353b0bc..c594c87 100644
--- a/src/bin/ttyrec/main.rs
+++ b/src/bin/ttyrec/main.rs
@@ -16,7 +16,9 @@ fn get_cmd(
     cmd: Option<std::ffi::OsString>,
 ) -> (std::ffi::OsString, Vec<std::ffi::OsString>) {
     if let Some(cmd) = cmd {
-        ("/bin/sh".into(), vec!["-c".into(), cmd])
+        let mut exec_cmd = std::ffi::OsString::from("exec ");
+        exec_cmd.push(cmd);
+        ("/bin/sh".into(), vec!["-c".into(), exec_cmd])
     } else {
         let shell =
             std::env::var_os("SHELL").unwrap_or_else(|| "/bin/sh".into());
-- 
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