sandbox: Use dict to store bind mounts instead of set

dict guarantee iteration in insertion order, set does not which matters
in this specific case.

diff --git a/mkosi/sandbox.py b/mkosi/sandbox.py
index 5fd5bf2fc7445ab928dbdbbe846a4774bf5a63c3..55cad993251f1f622ef5dda0ff05ad16ec581d80 100755 (executable)
--- a/mkosi/sandbox.py
+++ b/mkosi/sandbox.py
@@ -428,12 +428,12 @@ class FSOperation:
 
     @classmethod
     def optimize(cls, fsops: list["FSOperation"]) -> list["FSOperation"]:
-        binds = set()
+        binds: dict[BindOperation, None] = {}
         rest = []
 
         for fsop in fsops:
             if isinstance(fsop, BindOperation):
-                binds.add(fsop)
+                binds[fsop] = None
             else:
                 rest.append(fsop)