Try creating 'Temp' dir for wine (#1316)

* Try creating 'Temp' dir for wine

* Trying again...

* mount order matters...

* black

backend/coreapp/sandbox.py

@@ -1,4 +1,5 @@
 import contextlib
+import getpass
 import logging
 import os
 import shlex
@@ -50,6 +51,11 @@ def sandbox_command(self, mounts: List[Path], env: Dict[str, str]) -> List[str]:
 
         assert ":" not in str(self.path)
         assert ":" not in str(settings.WINEPREFIX)
+
+        # wine-specific hacks
+        user = getpass.getuser()
+        (self.path / "Temp").mkdir(parents=True, exist_ok=True)
+
         # fmt: off
         wrapper = [
             str(settings.SANDBOX_NSJAIL_BIN_PATH),
@@ -75,6 +81,7 @@ def sandbox_command(self, mounts: List[Path], env: Dict[str, str]) -> List[str]:
             "--rlimit_nofile", "soft",
             # the following are settings that can be removed once we are done with wine
             "--bindmount_ro", f"{settings.WINEPREFIX}:/wine",
+            "--bindmount", f"{self.path}/Temp:/wine/drive_c/users/{user}/Temp",
             "--env", "WINEDEBUG=-all",
             "--env", "WINEPREFIX=/wine",
         ]