From 588efe1216f60bb2c491a7077f0162d9a1abff45 Mon Sep 17 00:00:00 2001
From: Magnus Svensson <msvensson@mysql.com>
Date: Mon, 15 Sep 2008 17:05:14 +0200
Subject: [PATCH] WL#4189 Create a tempdir if tmpdir path becomes too long

---
 mysql-test/mysql-test-run.pl | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index ce4f9bda6c2..cd1007e24dc 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -1024,7 +1024,20 @@ sub command_line_setup {
   # --------------------------------------------------------------------------
   # Set the "tmp" directory
   # --------------------------------------------------------------------------
-  $opt_tmpdir=       "$opt_vardir/tmp" unless $opt_tmpdir;
+  if ( ! $opt_tmpdir )
+  {
+    $opt_tmpdir=       "$opt_vardir/tmp" unless $opt_tmpdir;
+
+    if (check_socket_path_length("$opt_tmpdir/testsocket.sock"))
+    {
+      mtr_report("Too long tmpdir path '$opt_tmpdir'",
+		 " creating a shorter one...");
+
+      # Create temporary directory in standard location for temporary files
+      $opt_tmpdir= tempdir( TMPDIR => 1, CLEANUP => 1 );
+      mtr_report(" - using tmpdir: '$opt_tmpdir'\n");
+    }
+  }
   $opt_tmpdir =~ s,/+$,,;       # Remove ending slash if any
 
   # --------------------------------------------------------------------------