From 53d08cdf2898e786766e7c08ebb7c208957f8b06 Mon Sep 17 00:00:00 2001
From: Stuart Reilly <themadprofessor@users.noreply.github.com>
Date: Wed, 20 Aug 2025 16:33:35 +0100
Subject: [PATCH] Sudo preserve env list argument is `--preserve-env` (#1276)

Sudo preserve-env

Sudo's preserve env list is `--preserve-env=...` not `--preserve_env=...`.

https://www.man7.org/linux/man-pages/man8/sudo.8.html
---
 src/sudo.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sudo.rs b/src/sudo.rs
index 81306c84..04cb85ec 100644
--- a/src/sudo.rs
+++ b/src/sudo.rs
@@ -252,7 +252,7 @@ impl Sudo {
             },
             SudoPreserveEnv::Some(vars) => match self.kind {
                 SudoKind::Sudo => {
-                    cmd.arg(format!("--preserve_env={}", vars.join(",")));
+                    cmd.arg(format!("--preserve-env={}", vars.join(",")));
                 }
                 SudoKind::Run0 => {
                     for env in vars {