/* Some extra paranoia: let's not set $XDG_RUNTIME_DIR if the directory we'd set it to isn't actually
* set up properly for us. This is supposed to provide a careful safety net for supporting su/sudo
* type transitions: in that case the UID changes, but the session and thus the user owning it
/* Some extra paranoia: let's not set $XDG_RUNTIME_DIR if the directory we'd set it to isn't actually
* set up properly for us. This is supposed to provide a careful safety net for supporting su/sudo
* type transitions: in that case the UID changes, but the session and thus the user owning it