(server-start): Try both full hostname and shortened

hostname when deleting the socket file.

1 files changed, 12 insertions, 3 deletions

diff --git a/lisp/server.el b/lisp/server.el
index 0d1e0827ba1..5097f987963 100644
--- a/lisp/server.el
+++ b/lisp/server.el
@@ -147,9 +147,18 @@ Prefix arg means just kill any existing server communications subprocess."
         (set-process-sentinel server-process nil)
         (condition-case () (delete-process server-process) (error nil))))
   (condition-case () (delete-file "~/.emacs_server") (error nil))
-  (condition-case ()
-      (delete-file (format "/tmp/esrv%d-%s" (user-uid) (system-name)))
-    (error nil))
+  (let* ((sysname (system-name))
+         (dot-index (string-match "\\." sysname)))
+    (condition-case ()
+        (delete-file (format "/tmp/esrv%d-%s" (user-uid) sysname))
+      (error nil))
+    ;; In case the server file name was made with a domainless hostname,
+    ;; try deleting that name too.
+    (if dot-index
+        (condition-case ()
+            (delete-file (format "/tmp/esrv%d-%s" (user-uid)
+                                 (substring sysname 0 dot-index)))
+          (error nil))))
   ;; If we already had a server, clear out associated status.
   (while server-clients
     (let ((buffer (nth 1 (car server-clients))))