Bug#27753 enable mysql-test-run.pl to ignore tests based on wildcard

mysql-test/lib/mtr_cases.pl:
  Allow --skip-test and --do-test to take a perl regex
mysql-test/mysql-test-run.pl:
  Update usage for --skip-test and --do-test

mysql-test/lib/mtr_cases.pl

@@ -27,6 +27,26 @@ sub collect_one_test_case ($$$$$$$);
 
 sub mtr_options_from_test_file($$);
 
+my $do_test;
+my $skip_test;
+
+sub init_pattern {
+  my ($from, $what)= @_;
+  if ( $from =~ /[a-z0-9]/ ) {
+    # Does not contain any regex, make the pattern match
+    # beginning of string
+    $from= "^$from";
+  }
+  else {
+    # Check that pattern is a valid regex
+    eval { "" =~/$from/; 1 } or
+      mtr_error("Invalid regex '$from' passed to $what\nPerl says: $@");
+  }
+  return $from;
+}
+
+
+
 ##############################################################################
 #
 #  Collect information about test cases we are to run
@@ -39,6 +59,9 @@ sub collect_test_cases ($) {
   my $testdir;
   my $resdir;
 
+  $do_test= init_pattern($::opt_do_test, "--do-test");
+  $skip_test= init_pattern($::opt_skip_test, "--skip-test");
+
   if ( $suite eq "main" )
   {
     $testdir= "$::glob_mysql_test_dir/t";
@@ -162,8 +185,7 @@ sub collect_test_cases ($) {
       }
 
       # Skip tests that does not match the --do-test= filter
-      next if $::opt_do_test and
-	! defined mtr_match_prefix($elem,$::opt_do_test);
+      next if ($do_test and not $tname =~ /$do_test/o);
 
       collect_one_test_case($testdir,$resdir,$tname,$elem,$cases,\%disabled,
         $component_id);
@@ -288,7 +310,7 @@ sub collect_one_test_case($$$$$$$) {
   # Skip some tests but include in list, just mark them to skip
   # ----------------------------------------------------------------------
 
-  if ( $::opt_skip_test and defined mtr_match_prefix($tname,$::opt_skip_test) )
+  if ( $skip_test and $tname =~ /$skip_test/o )
   {
     $tinfo->{'skip'}= 1;
     return;

mysql-test/mysql-test-run.pl

@@ -5080,12 +5080,16 @@ Options to control what test suites or cases to run
   skip-ndb[cluster]     Skip all tests that need cluster
   skip-ndb[cluster]-slave Skip all tests that need a slave cluster
   ndb-extra             Run extra tests from ndb directory
-  do-test=PREFIX        Run test cases which name are prefixed with PREFIX
+  do-test=PREFIX or REGEX
+                        Run test cases which name are prefixed with PREFIX
+                        or fulfills REGEX
+  skip-test=PREFIX or REGEX
+                        Skip test cases which name are prefixed with PREFIX
+                        or fulfills REGEX
   start-from=PREFIX     Run test cases starting from test prefixed with PREFIX
   suite=NAME            Run the test suite named NAME. The default is "main"
   skip-rpl              Skip the replication test cases.
   skip-im               Don't start IM, and skip the IM test cases
-  skip-test=PREFIX      Skip test cases which name are prefixed with PREFIX
   big-test              Set the environment variable BIG_TEST, which can be
                         checked from test cases.