From 13c5015b231d4c401ed616732d19d50531b0bb34 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@users.sourceforge.net>
Date: Thu, 10 Sep 2009 15:56:39 +0000
Subject: Greg Klanderman: 27259 / 27260: unset parameter in file prefix

---
 Completion/Unix/Type/_path_files | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Completion/Unix/Type')

diff --git a/Completion/Unix/Type/_path_files b/Completion/Unix/Type/_path_files
index 8bc9373a1..2e851058f 100644
--- a/Completion/Unix/Type/_path_files
+++ b/Completion/Unix/Type/_path_files
@@ -247,7 +247,11 @@ if [[ "$pre" = [^][*?#^\|\<\>\\]#(\`[^\`]#\`|\$)*/* && "$compstate[quote]" != \'
   # meant as a partial path.
 
   linepath="${(M)pre##*\$[^/]##/}"
-  eval 'realpath=${(e)~linepath}' 2>/dev/null
+  function {
+    # do not treat an unset parameter expansion as the empty string
+    setopt localoptions nounset
+    eval 'realpath=${(e)~linepath}' 2>/dev/null
+  }
   [[ -z "$realpath" || "$realpath" = "$linepath" ]] && return 1
   pre="${pre#${linepath}}"
   i='[^/]'
-- 
cgit 1.4.1