From 6d6b3749e5d8c0d189a109e03e465d0b519e143d Mon Sep 17 00:00:00 2001
From: Raphael Geissert <geissert@php.net>
Date: Thu, 18 Feb 2010 00:30:12 +0000
Subject: [PATCH] Fix race condition in shtool's mkdir -p implementation (bug
 #51076)

---
 build/shtool | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/build/shtool b/build/shtool
index 8d95db5b60..e291c5f76e 100755
--- a/build/shtool
+++ b/build/shtool
@@ -991,7 +991,11 @@ mkdir )
                     if [ ".$opt_t" = .yes ]; then
                         echo "mkdir $pathcomp" 1>&2
                     fi
-                    mkdir $pathcomp || errstatus=$?
+                    mkdir $pathcomp || {
+                        _errstatus=$?
+                        [ -d "$pathcomp" ] || errstatus=${_errstatus}
+                        unset _errstatus
+                    }
                     if [ ".$opt_o" != . ]; then
                         if [ ".$opt_t" = .yes ]; then
                             echo "chown $opt_o $pathcomp" 1>&2
-- 
2.50.1