Replace --tmpfs with --dir for tmpfs directories

The root is already a tmpfs so no need to put separate tmpfs directories
on top of individual directories.

diff --git a/mkosi/run.py b/mkosi/run.py
index 4273aeba1259238405a003427b30eb362e4e64ac..261c017a22837af331950673de0cebbdbe721fc0 100644 (file)
--- a/mkosi/run.py
+++ b/mkosi/run.py
@@ -579,7 +579,7 @@ def sandbox_cmd(
                 if tmp:
                     cmdline += ["--bind", tmp, Path("/") / d]
                 else:
-                    cmdline += ["--tmpfs", Path("/") / d]
+                    cmdline += ["--dir", Path("/") / d]
 
         # If we put an overlayfs on /var, and /var/tmp is not in the sandbox tree, make sure /var/tmp is a bind mount
         # of a regular empty directory instead of the overlays so tools like systemd-repart can use the underlying