Add forked Maatkit tools in bin/ and their tests in t/.

t/pt-table-checksum/issue_947.t

@@ -0,0 +1,49 @@
+#!/usr/bin/env perl
+
+BEGIN {
+   die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
+      unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
+   unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
+};
+
+use strict;
+use warnings FATAL => 'all';
+use English qw(-no_match_vars);
+use Test::More;
+
+use MaatkitTest;
+use Sandbox;
+require "$trunk/bin/pt-table-checksum";
+
+my $dp  = new DSNParser(opts=>$dsn_opts);
+my $sb  = new Sandbox(basedir => '/tmp', DSNParser => $dp);
+my $dbh = $sb->get_dbh_for('master');
+
+if ( !$dbh ) {
+   plan skip_all => 'Cannot connect to sandbox master';
+}
+else {
+   plan tests => 1;
+}
+
+my $output;
+my $cnf = '/tmp/12345/my.sandbox.cnf';
+
+# #############################################################################
+# Issue 947: mk-table-checksum crashes if h DSN part is not given
+# #############################################################################
+
+$output = output(
+   sub { mk_table_checksum::main("F=$cnf", qw(-d mysql -t user)) },
+   stderr => 1,
+);
+like(
+   $output,
+   qr/mysql\s+user\s+0/,
+   "Doesn't crash if no h DSN part (issue 947)"
+);
+
+# #############################################################################
+# Done.
+# #############################################################################
+exit;