dot/profile: Set `XDG_RUNTIME_DIR' if it looks relevant.

Without this, later `emacsclient' run from an SSH session can't find
the desktop session's Emacs server.

diff --git a/dot/profile b/dot/profile
index 3c3ab08928ba67f942e3d78019042f5fa4f5e32c..55047b1da4bc5eeb73ff75f098060a4544649e96 100644 (file)
--- a/dot/profile
+++ b/dot/profile
@@ -79,6 +79,12 @@ case ${SCHROOT_SESSION_ID+t} in t) ;; *) cd "$HOME" ;; esac
 ## logout hook, so synthesize one here.
 case ${DT+t} in t) trap "source $HOME/.shell-logout" EXIT; esac
 
+## Set the `runtime' directory.  This gets done automatically on a desktop
+## login, but not in, say, SSH, which causes anomalies.
+if [ -d /run/user ]; then
+  : ${XDG_RUNTIME_DIR=/run/user/$(id -u)}; export XDG_RUNTIME_DIR
+fi
+
 ###--------------------------------------------------------------------------
 ### Set some basic paths.