From b8d2d81d00108ee46529e1b0b5a7115a459f8a6a Mon Sep 17 00:00:00 2001
From: Bastian Kleineidam <calvin@debian.org>
Date: Sun, 4 Apr 2010 20:29:14 +0200
Subject: [PATCH] Really fix shell quoting, quoting single quotes correctly.

---
 patoolib/util.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/patoolib/util.py b/patoolib/util.py
index e996e74..ae61514 100644
--- a/patoolib/util.py
+++ b/patoolib/util.py
@@ -270,8 +270,9 @@ def tmpfile (dir=None, prefix="temp", suffix=None):
 
 
 def shell_quote (value):
-    """Quote all shell metacharacters in given string value."""
-    return "'%s'" % value.replace("'", r"\'")
+    """Quote all shell metacharacters in given string value with strong
+    (ie. single) quotes, handling the single quote especially."""
+    return "'%s'" % value.replace("'", r"'\''")
 
 
 def stripext (filename):