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

t/pt-table-sync/issue_634.t

@@ -0,0 +1,60 @@
+#!/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-sync";
+
+my $output;
+my $dp = new DSNParser(opts=>$dsn_opts);
+my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
+my $master_dbh = $sb->get_dbh_for('master');
+my $slave_dbh  = $sb->get_dbh_for('slave1');
+
+if ( !$master_dbh ) {
+   plan skip_all => 'Cannot connect to sandbox master';
+}
+elsif ( !$slave_dbh ) {
+   plan skip_all => 'Cannot connect to sandbox slave';
+}
+else {
+   plan tests => 2;
+}
+
+$sb->wipe_clean($master_dbh);
+$sb->wipe_clean($slave_dbh);
+$sb->create_dbs($master_dbh, [qw(test)]);
+
+# #############################################################################
+# Issue 634: Cannot nibble table because MySQL chose no index
+# #############################################################################
+diag(`/tmp/12345/use < $trunk/t/pt-table-sync/samples/issue_634.sql`);
+$slave_dbh->do('insert into issue_634.t values (1)');
+$output = `$trunk/bin/pt-table-sync --sync-to-master h=127.1,P=12346,u=msandbox,p=msandbox -d issue_634 --execute --algorithms Nibble 2>&1`;
+unlike(
+   $output,
+   qr/Cannot nibble/,
+   "Doesn't say it can't nibble the 1-row table (issue 634)"
+);
+is_deeply(
+   $slave_dbh->selectall_arrayref('select * from issue_634.t'),
+   [],
+   '1-row table was synced (issue 634)'
+);
+
+# #############################################################################
+# Done.
+# #############################################################################
+$sb->wipe_clean($master_dbh);
+$sb->wipe_clean($slave_dbh);
+exit;