From 4d577acbc242a86397dda59502b44ab630eb1d41 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Thu, 15 Jan 2026 15:27:29 +0200
Subject: [PATCH] samba: use substitutionInPlace instead of sed in fixup

substituteInPlace is more reliable as sed won't print any warning or
error when it does nothing.
---
 pkgs/servers/samba/4.x.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/samba/4.x.nix b/pkgs/servers/samba/4.x.nix
index 2b0a7f76eab3..6d68a2b8b44e 100644
--- a/pkgs/servers/samba/4.x.nix
+++ b/pkgs/servers/samba/4.x.nix
@@ -311,7 +311,10 @@ stdenv.mkDerivation (finalAttrs: {
     # Samba does its own shebang patching, but uses build Python
     find $out/bin -type f -executable | while read file; do
       isScript "$file" || continue
-      sed -i 's^${lib.getBin buildPackages.python3Packages.python}^${lib.getBin python3Packages.python}^' "$file"
+      substituteInPlace "$file" \
+        --replace-fail \
+          ${lib.getBin buildPackages.python3Packages.python} \
+          ${lib.getBin python3Packages.python}
     done
   '';