dot/shell-rc: Only run tmpdir(1) if we actually found it.

[profile] / dot / shell-rc

diff --git a/dot/shell-rc b/dot/shell-rc
index 1fa4343..5c3c336 100644 (file)
--- a/dot/shell-rc
+++ b/dot/shell-rc
@@ -33,7 +33,7 @@ __mdw_set_prompt_pieces () {
   ## highlight when I'm running as some other user.  Highlight when this
   ## isn't the outermost shell on the terminal.
   local left right user u tty
-  user=${USER-$LOGNAME}
+  user=${USER-${LOGNAME-$(id -un)}}
   case $(id -u) in
     0)
       left=$(echo « | iconv -f UTF-8 -t //translit)
@@ -324,6 +324,16 @@ pathhack () {
 ###--------------------------------------------------------------------------
 ### Finishing touches.
 
+## Make sure `$HOME/bin' is on the path.
+path_add "$HOME/bin"
+
+## Set the temporary directory again.  (A setuid or setgid program may have
+## unhelpfully forgotten this for us.)
+case ${TMPDIR+t} in
+  t) ;;
+  *) if __mdw_programp tmpdir; then eval $(tmpdir -b); fi ;;
+esac
+
 ## For `root' use -- some simple molly-guards.
 case $(id -u) in
   0)