From 26db26e416318e17a6e7f3f196ec72109fb37998 Mon Sep 17 00:00:00 2001
From: Ogulcan Celik <ogulcancelik@gmail.com>
Date: Tue, 30 Jun 2026 19:48:56 +0300
Subject: fix: keep remote sessions alive across disconnects

---
 src/server/autodetect.rs | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

(limited to 'src/server/autodetect.rs')

diff --git a/src/server/autodetect.rs b/src/server/autodetect.rs
index f40be988..0c9e0cde 100644
--- a/src/server/autodetect.rs
+++ b/src/server/autodetect.rs
@@ -9,8 +9,6 @@
 //! (escape hatch for users who want the traditional single-process behavior).
 
 use std::io;
-#[cfg(unix)]
-use std::os::unix::process::CommandExt;
 use std::path::Path;
 use std::path::PathBuf;
 use std::process::Command;
@@ -218,12 +216,7 @@ fn build_server_daemon_command(exe: PathBuf) -> Command {
         .stdin(std::process::Stdio::null())
         .stdout(std::process::Stdio::null())
         .stderr(std::process::Stdio::null());
-    #[cfg(unix)]
-    {
-        // Create a new process group so the server survives the parent's exit
-        // and doesn't receive SIGHUP when the client's terminal closes.
-        command.process_group(0);
-    }
+    crate::platform::detach_server_daemon_command(&mut command);
 
     match std::env::current_dir() {
         Ok(cwd) => {
@@ -384,6 +377,24 @@ mod tests {
         }));
     }
 
+    #[cfg(target_os = "linux")]
+    #[test]
+    fn server_daemon_detach_creates_new_session() {
+        let mut command = Command::new("sh");
+        command.arg("-c").arg(
+            r#"sid=$(ps -o sid= -p $$ | tr -d ' ')
+test "$sid" = "$$"
+"#,
+        );
+        crate::platform::detach_server_daemon_command(&mut command);
+
+        let status = command.status().unwrap();
+        assert!(
+            status.success(),
+            "detached server child should be its own session leader"
+        );
+    }
+
     #[test]
     fn is_server_listening_returns_true_for_live_socket() {
         let dir = unique_test_dir("live");
-- 
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