Merge branch '10.8' into 10.9

mysql-test/include/grep.inc

@@ -0,0 +1,16 @@
+# Grep file for regular expression and output to STDOUT
+#
+# Usage:
+# --let $grep_file= /path/to/your/file
+# --let $grep_regex= your_regex_string
+# --source include/grep.inc
+
+--perl
+  open (my $fh, "<", "$ENV{grep_file}") or die $!;
+  while (<$fh>)
+  {
+    /$ENV{grep_regex}/ &&
+      print;
+  }
+  close $fh;
+EOF

mysql-test/include/have_log_bin.inc

@@ -8,7 +8,6 @@
 
 source include/not_embedded.inc;
 
--- require include/have_log_bin.require
-disable_query_log;
-show variables like 'log_bin';
-enable_query_log;
+if (`select not @@log_bin`) {
+  skip Test requires: 'have_log_bin';
+}

mysql-test/include/have_log_bin.require

@@ -1,2 +0,0 @@
-Variable_name	Value
-log_bin	ON