Make sure we open Packages output location in binary mode

diff --git a/mkosi/installer/apt.py b/mkosi/installer/apt.py
index 60d54ee9a5dbd5d4c30463fb6534a4ad10faf022..ebfb7a7a0c5c9196eb876b8c8a2243e1d6a2014b 100644 (file)
--- a/mkosi/installer/apt.py
+++ b/mkosi/installer/apt.py
@@ -122,7 +122,7 @@ def invoke_apt(
 
 
 def createrepo_apt(context: Context) -> None:
-    with (context.packages / "Packages").open("w") as f:
+    with (context.packages / "Packages").open("wb") as f:
         run(["dpkg-scanpackages", context.packages],
             stdout=f, sandbox=context.sandbox(options=["--ro-bind", context.packages, context.packages]))