From 0a030a3975ce30f3f3a701e2fd6876aef254324e Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Wed, 20 Sep 2017 16:27:44 +0100
Subject: [PATCH] dot/shell-rc: Only run tmpdir(1) if we actually found it.

---
 dot/shell-rc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dot/shell-rc b/dot/shell-rc
index da3d295..5c3c336 100644
--- a/dot/shell-rc
+++ b/dot/shell-rc
@@ -329,7 +329,10 @@ path_add "$HOME/bin"
 
 ## Set the temporary directory again.  (A setuid or setgid program may have
 ## unhelpfully forgotten this for us.)
-case ${TMPDIR+t} in t) ;; *) eval $(tmpdir -b) ;; esac
+case ${TMPDIR+t} in
+  t) ;;
+  *) if __mdw_programp tmpdir; then eval $(tmpdir -b); fi ;;
+esac
 
 ## For `root' use -- some simple molly-guards.
 case $(id -u) in
-- 
2.11.0