WL#4189

- dynamic configuration support
 - safe process
 - cleanups
 - create new suite for fedarated


BitKeeper/deleted/.del-basic.test:
  Rename: mysql-test/ndb/basic.test -> BitKeeper/deleted/.del-basic.test
BitKeeper/deleted/.del-basic_log.result:
  Rename: mysql-test/ndb/basic_log.result -> BitKeeper/deleted/.del-basic_log.result
mysql-test/suite/federated/federated_transactions.result:
  Rename: mysql-test/r/federated_transactions.result -> mysql-test/suite/federated/federated_transactions.result
BitKeeper/deleted/.del-have_bug25714.require:
  Rename: mysql-test/r/have_bug25714.require -> BitKeeper/deleted/.del-have_bug25714.require
BitKeeper/deleted/.del-kill_master.sh:
  Rename: mysql-test/misc/kill_master.sh -> BitKeeper/deleted/.del-kill_master.sh
BitKeeper/deleted/.del-ndb_config_4_node.ini~d8e572e9b68f933a:
  Rename: mysql-test/ndb/ndb_config_4_node.ini -> BitKeeper/deleted/.del-ndb_config_4_node.ini~d8e572e9b68f933a
BitKeeper/deleted/.del-restart.result:
  Rename: mysql-test/ndb/restart.result -> BitKeeper/deleted/.del-restart.result
mysql-test/suite/federated/federated_cleanup.inc:
  Rename: mysql-test/include/federated_cleanup.inc -> mysql-test/suite/federated/federated_cleanup.inc
mysql-test/suite/rpl/t/rpl_rotate_logs-slave.opt:
  Rename: mysql-test/suite/rpl/t/rpl_rotate_logs.slave-mi -> mysql-test/suite/rpl/t/rpl_rotate_logs-slave.opt
BitKeeper/deleted/.del-install_test_db.sh:
  Rename: mysql-test/install_test_db.sh -> BitKeeper/deleted/.del-install_test_db.sh
BitKeeper/deleted/.del-ndb_config_1_node.ini~7ec640ed25570e16:
  Rename: mysql-test/ndb/ndb_config_1_node.ini -> BitKeeper/deleted/.del-ndb_config_1_node.ini~7ec640ed25570e16
BitKeeper/deleted/.del-mtr_timer.pl:
  Rename: mysql-test/lib/mtr_timer.pl -> BitKeeper/deleted/.del-mtr_timer.pl
BitKeeper/deleted/.del-create-test-result:
  Rename: mysql-test/create-test-result -> BitKeeper/deleted/.del-create-test-result
BitKeeper/deleted/.del-fix-result:
  Rename: mysql-test/fix-result -> BitKeeper/deleted/.del-fix-result
BitKeeper/deleted/.del-mysql-test-run-shell.sh:
  Rename: mysql-test/mysql-test-run-shell.sh -> BitKeeper/deleted/.del-mysql-test-run-shell.sh
BitKeeper/deleted/.del-mysql-test_V1.9.pl:
  Rename: mysql-test/misc/mysql-test_V1.9.pl -> BitKeeper/deleted/.del-mysql-test_V1.9.pl
BitKeeper/deleted/.del-resolve-stack:
  Rename: mysql-test/resolve-stack -> BitKeeper/deleted/.del-resolve-stack
BitKeeper/deleted/.del-restart_log.result:
  Rename: mysql-test/ndb/restart_log.result -> BitKeeper/deleted/.del-restart_log.result
mysql-test/suite/rpl/t/rpl_000015-slave.opt:
  Rename: mysql-test/suite/rpl/t/rpl_000015.slave-mi -> mysql-test/suite/rpl/t/rpl_000015-slave.opt
BitKeeper/deleted/.del-ndb_config_2_node.ini:
  Rename: mysql-test/ndb/ndb_config_2_node.ini -> BitKeeper/deleted/.del-ndb_config_2_node.ini
BitKeeper/deleted/.del-ndbcluster.sh:
  Rename: mysql-test/ndb/ndbcluster.sh -> BitKeeper/deleted/.del-ndbcluster.sh
BitKeeper/deleted/.del-basic.result:
  Rename: mysql-test/ndb/basic.result -> BitKeeper/deleted/.del-basic.result
BitKeeper/deleted/.del-restart.test:
  Rename: mysql-test/ndb/restart.test -> BitKeeper/deleted/.del-restart.test
BitKeeper/deleted/.del-have_bug25714.inc:
  Rename: mysql-test/include/have_bug25714.inc -> BitKeeper/deleted/.del-have_bug25714.inc
BitKeeper/deleted/.del-mtr_diff.pl:
  Rename: mysql-test/lib/mtr_diff.pl -> BitKeeper/deleted/.del-mtr_diff.pl
mysql-test/suite/federated/federated_transactions-slave.opt:
  Rename: mysql-test/t/federated_transactions-slave.opt -> mysql-test/suite/federated/federated_transactions-slave.opt
BitKeeper/deleted/.del-Makefile.am~343467da4d0f211b:
  Rename: mysql-test/ndb/Makefile.am -> BitKeeper/deleted/.del-Makefile.am~343467da4d0f211b
BitKeeper/deleted/.del-mtr_im.pl~9762b0336c28949:
  Rename: mysql-test/lib/mtr_im.pl -> BitKeeper/deleted/.del-mtr_im.pl~9762b0336c28949
mysql-test/suite/federated/federated_innodb-slave.opt:
  Rename: mysql-test/t/federated_innodb-slave.opt -> mysql-test/suite/federated/federated_innodb-slave.opt
client/mysqltest.c:
  Use current files path first when looking for include file
configure.in:
  Remove mysql-test/nbd
mysql-test/Makefile.am:
  Cleanup mysql-test/Makefile.am
mysql-test/extra/binlog_tests/blackhole.test:
  Use new paths
mysql-test/extra/binlog_tests/ctype_ucs_binlog.test:
  Use new paths
mysql-test/mysql-test-run.pl:
  Dynamic configuration support
  Safe process
mysql-test/extra/binlog_tests/mix_innodb_myisam_side_effects.test:
  Use new paths
mysql-test/extra/rpl_tests/rpl_EE_err.test:
  Use new paths
mysql-test/extra/rpl_tests/rpl_loaddata.test:
  Use new paths
mysql-test/extra/rpl_tests/rpl_log.test:
  Use new paths
mysql-test/extra/rpl_tests/rpl_row_001.test:
  Use new paths
mysql-test/extra/rpl_tests/rpl_row_charset.test:
  Use new paths
mysql-test/extra/rpl_tests/rpl_stm_000001.test:
  Use new paths
mysql-test/extra/rpl_tests/rpl_stm_charset.test:
  Use new paths
mysql-test/include/have_blackhole.inc:
  Use new paths
mysql-test/include/have_ndbapi_examples.inc:
  Use new paths
mysql-test/include/loaddata_autocom.inc:
  Use new paths
mysql-test/include/mix1.inc:
  Use new paths
mysql-test/include/ndb_backup.inc:
  Use new paths
mysql-test/include/ndb_restore_master.inc:
  Use new paths
mysql-test/include/ndb_restore_slave_eoption.inc:
  Use new paths
mysql-test/include/testdb_only.inc:
  Use new paths
mysql-test/lib/My/Config.pm:
  dynamic configuration
  safe process
  cleanups
mysql-test/lib/mtr_cases.pm:
  dynamic configuration
  safe process
  cleanups
mysql-test/lib/mtr_io.pl:
  dynamic configuration
  safe process
  cleanups
mysql-test/lib/mtr_misc.pl:
  dynamic configuration
  safe process
  cleanups
mysql-test/lib/mtr_process.pl:
  dynamic configuration
  safe process
  cleanups
mysql-test/lib/mtr_report.pl:
  dynamic configuration
  safe process
  cleanups
mysql-test/lib/mtr_stress.pl:
  dynamic configuration
  safe process
  cleanups
mysql-test/r/backup.result:
  Use new paths
mysql-test/r/ctype_big5.result:
  Use new paths
mysql-test/r/gis.result:
  Use new paths
mysql-test/r/loaddata.result:
  Use new paths
mysql-test/r/loaddata_autocom_innodb.result:
  Use new paths
mysql-test/r/mysqlbinlog.result:
  Use new paths
mysql-test/r/mysqlbinlog_base64.result:
  Use new paths
mysql-test/r/outfile.result:
  Use new paths
mysql-test/r/partition_error.result:
  Use new paths
mysql-test/r/partition_not_windows.result:
  Use new paths
mysql-test/r/partition_symlink.result:
  Use new paths
mysql-test/r/query_cache.result:
  Use new paths
mysql-test/r/sp.result:
  Use new paths
mysql-test/r/symlink.result:
  Use new paths
mysql-test/r/system_mysql_db.result:
  Use new paths
mysql-test/r/trigger.result:
  Use new paths
mysql-test/r/type_blob.result:
  Use new paths
mysql-test/r/view.result:
  Use new paths
mysql-test/r/warnings.result:
  Use new paths
mysql-test/suite/binlog/r/binlog_killed_simulate.result:
  Use new paths
mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result:
  Use new paths
mysql-test/suite/binlog/r/binlog_stm_blackhole.result:
  Use new paths
mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result:
  Use new paths
mysql-test/suite/binlog/t/binlog_killed.test:
  Use new paths
mysql-test/suite/binlog/t/binlog_killed_simulate.test:
  Use new paths
mysql-test/suite/binlog/t/binlog_row_mix_innodb_myisam.test:
  Use new paths
mysql-test/suite/binlog/t/binlog_stm_mix_innodb_myisam.test:
  Use new paths
mysql-test/suite/federated/federated.inc:
  Use new paths
mysql-test/suite/federated/federated.result:
  Use new paths
mysql-test/suite/federated/federated.test:
  Use new paths
mysql-test/suite/federated/federated_archive.result:
  Use new paths
mysql-test/suite/federated/federated_archive.test:
  Use new paths
mysql-test/suite/federated/federated_bug_13118.result:
  Use new paths
mysql-test/suite/federated/federated_bug_13118.test:
  Use new paths
mysql-test/suite/federated/federated_bug_25714.result:
  Use new paths
mysql-test/suite/federated/federated_bug_25714.test:
  Use new paths
mysql-test/suite/federated/federated_innodb.result:
  Use new paths
mysql-test/suite/federated/federated_innodb.test:
  Use new paths
mysql-test/suite/federated/federated_server.result:
  Use new paths
mysql-test/suite/federated/federated_server.test:
  Use new paths
mysql-test/suite/federated/federated_transactions.test:
  Use new paths
mysql-test/suite/federated/have_federated_db.inc:
  Use new paths
mysql-test/suite/ndb/r/loaddata_autocom_ndb.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_config.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_dd_backuprestore.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_load.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_loaddatalocal.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_replace.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_restore.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_restore_partition.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_restore_print.result:
  Use new paths
mysql-test/suite/ndb/r/ndb_trigger.result:
  Use new paths
mysql-test/suite/ndb/t/ndb_alter_table.test:
  Use new paths
mysql-test/suite/ndb/t/ndb_config.test:
  Use new paths
mysql-test/suite/ndb/t/ndb_load.test:
  Use new paths
mysql-test/suite/ndb/t/ndb_loaddatalocal.test:
  Use new paths
mysql-test/suite/ndb/t/ndb_replace.test:
  Use new paths
mysql-test/suite/ndb/t/ndb_restore.test:
  Use new paths
mysql-test/suite/ndb/t/ndb_single_user.test:
  Use new paths
mysql-test/suite/ndb/t/ndb_trigger.test:
  Use new paths
mysql-test/suite/ndb/t/ndbapi.test:
  Use new paths
mysql-test/suite/rpl/include/rpl_mixed_dml.inc:
  Use new paths
mysql-test/suite/rpl/r/rpl_LD_INFILE.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_flushlog_loop.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_innodb.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_innodb_mixed_dml.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_load_table_from_master.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loaddata.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loaddata_charset.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loaddata_fatal.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loaddata_m.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loaddata_s.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loaddata_simple.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loaddatalocal.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_loadfile.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_misc_functions.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_replicate_do.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_rewrt_db.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_row_001.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_row_loaddata_m.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_row_log.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_row_log_innodb.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_row_stop_middle_update.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_stm_000001.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_stm_log.result:
  Use new paths
mysql-test/suite/rpl/r/rpl_timezone.result:
  Use new paths
mysql-test/suite/rpl/t/disabled.def:
  Use new paths
mysql-test/suite/rpl/t/rpl000017-slave.sh:
  Use new paths
mysql-test/suite/rpl/t/rpl_LD_INFILE.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_drop_db.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_flushlog_loop-master.opt:
  Use new paths
mysql-test/suite/rpl/t/rpl_flushlog_loop-slave.opt:
  Use new paths
mysql-test/suite/rpl/t/rpl_flushlog_loop.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_innodb.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_innodb_bug30919.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_load_from_master.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_load_table_from_master.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_loaddata_charset.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_loaddata_fatal.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_loaddata_m.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_loaddata_s.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_loaddata_simple.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_loaddatalocal.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_loadfile.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_misc_functions.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_replicate_do.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_rewrt_db.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_rotate_logs-master.opt:
  Use new paths
mysql-test/suite/rpl/t/rpl_rotate_logs.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_row_charset_innodb.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_row_mysqlbinlog.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_row_stop_middle_update.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_timezone.test:
  Use new paths
mysql-test/suite/rpl/t/rpl_trigger.test:
  Use new paths
mysql-test/suite/rpl_ndb/r/rpl_ndb_dd_advance.result:
  Use new paths
mysql-test/suite/rpl_ndb/r/rpl_ndb_innodb_trans.result:
  Use new paths
mysql-test/suite/rpl_ndb/r/rpl_ndb_log.result:
  Use new paths
mysql-test/suite/rpl_ndb/r/rpl_ndb_multi.result:
  Use new paths
mysql-test/suite/rpl_ndb/r/rpl_ndb_row_001.result:
  Use new paths
mysql-test/suite/rpl_ndb/r/rpl_ndb_sync.result:
  Use new paths
mysql-test/suite/rpl_ndb/t/rpl_ndb_bank.test:
  Use new paths
mysql-test/suite/rpl_ndb/t/rpl_ndb_dd_advance.test:
  Use new paths
mysql-test/suite/rpl_ndb/t/rpl_ndb_innodb_trans.test:
  Use new paths
mysql-test/suite/rpl_ndb/t/rpl_ndb_load.test:
  Use new paths
mysql-test/suite/rpl_ndb/t/rpl_ndb_sync.test:
  Use new paths
mysql-test/suite/rpl_ndb/t/rpl_ndbapi_multi.test:
  Use new paths
mysql-test/t/backup.test:
  Use new paths
mysql-test/t/bootstrap.test:
  Use new paths
mysql-test/t/crash_commit_before.test:
  Use new paths
mysql-test/t/create_not_windows.test:
  Use new paths
mysql-test/t/csv.test:
  Use new paths
mysql-test/t/ctype_big5.test:
  Use new paths
mysql-test/t/disabled.def:
  Use new paths
mysql-test/t/distinct.test:
  Use new paths
mysql-test/t/gis.test:
  Use new paths
mysql-test/t/grant_cache_no_prot.test:
  Use new paths
mysql-test/t/grant_cache_ps_prot.test:
  Use new paths
mysql-test/t/information_schema_chmod.test:
  Use new paths
mysql-test/t/loaddata.test:
  Use new paths
mysql-test/t/log_state.test:
  Use new paths
mysql-test/t/myisam-system.test:
  Use new paths
mysql-test/t/mysql_upgrade.test:
  Use new paths
mysql-test/t/mysqlbinlog-cp932.test:
  Use new paths
mysql-test/t/mysqlbinlog.test:
  Use new paths
mysql-test/t/mysqlbinlog2.test:
  Use new paths
mysql-test/t/mysqlbinlog_base64.test:
  Use new paths
mysql-test/t/mysqldump.test:
  Use new paths
mysql-test/t/outfile.test:
  Use new paths
mysql-test/t/partition.test:
  Use new paths
mysql-test/t/partition_error.test:
  Use new paths
mysql-test/t/partition_federated.test:
  Use new paths
mysql-test/t/partition_mgm.test:
  Use new paths
mysql-test/t/partition_not_windows.test:
  Use new paths
mysql-test/t/partition_symlink.test:
  Use new paths
mysql-test/t/query_cache.test:
  Use new paths
mysql-test/t/repair.test:
  Use new paths
mysql-test/t/show_check.test:
  Use new paths
mysql-test/t/sp-destruct.test:
  Use new paths
mysql-test/t/sp.test:
  Use new paths
mysql-test/t/symlink.test:
  Use new paths
mysql-test/t/system_mysql_db.test:
  Use new paths
mysql-test/t/system_mysql_db_fix30020.test:
  Use new paths
mysql-test/t/system_mysql_db_fix40123.test:
  Use new paths
mysql-test/t/system_mysql_db_fix50030.test:
  Use new paths
mysql-test/t/system_mysql_db_fix50117.test:
  Use new paths
mysql-test/t/trigger-compat.test:
  Use new paths
mysql-test/t/trigger-grant.test:
  Use new paths
mysql-test/t/trigger.test:
  Use new paths
mysql-test/t/type_blob.test:
  Use new paths
mysql-test/t/type_varchar.test:
  Use new paths
mysql-test/t/upgrade.test:
  Use new paths
mysql-test/t/user_var-binlog.test:
  Use new paths
mysql-test/t/varbinary.test:
  Use new paths
mysql-test/t/view.test:
  Use new paths
mysql-test/t/warnings.test:
  Use new paths
mysql-test/lib/My/ConfigFactory.pm:
  Initial version
mysql-test/lib/My/Find.pm:
  Initial version
mysql-test/lib/My/SafeProcess.pm:
  Initial version
mysql-test/std_data/ndb_config_config.ini:
  Add "old" style config.ini for ndb
mysql-test/suite/federated/disabled.def:
  Move disabled federated to it's new suite
mysql-test/suite/federated/my.cnf:
  Add config for federated
mysql-test/suite/ndb/my.cnf:
  Add config for ndb
mysql-test/suite/rpl/my.cnf:
  Add config for rpl
mysql-test/suite/rpl/rpl_1slave_base.cnf:
  Add base config for rpl
mysql-test/suite/rpl/t/rpl_000015-master.opt:
  Use new paths
mysql-test/suite/rpl_ndb/my.cnf:
  Add config for rpl_ndb
mysql-test/lib/My/File/Path.pm:
  Initial version
mysql-test/lib/My/SafeProcess/Base.pm:
  Initial version
mysql-test/lib/My/SafeProcess/safe_kill_win.cc:
  Initial version
mysql-test/lib/My/SafeProcess/safe_process.pl:
  Initial version
mysql-test/lib/My/SafeProcess/safe_process_win.cc:
  Initial version
mysql-test/lib/t/Base.t:
  Initial version
mysql-test/lib/t/Find.t:
  Initial version
mysql-test/lib/t/SafeProcess.t:
  Initial version
mysql-test/lib/t/SafeProcessStress.pl:
  Initial version
mysql-test/lib/t/copytree.t:
  Initial version
mysql-test/lib/t/dummyd.pl:
  Initial version
mysql-test/lib/t/rmtree.t:
  Initial version
mysql-test/lib/t/testMyConfig.t:
  Initial version
mysql-test/lib/t/testMyConfigFactory.t:
  Initial version
mysql-test/lib/t/test_child.pl:
  Initial version
mysql-test/include/default_my.cnf:
  Add default config file used when no suite specific file is found
mysql-test/include/default_mysqld.cnf:
  New BitKeeper file ``mysql-test/include/default_mysqld.cnf''
mysql-test/include/default_ndbd.cnf:
  Add default settings for all ndbds
mysql-test/lib/mtr_settings.pl:
  Initial version

mysql-test/lib/My/Config.pm

@@ -4,6 +4,7 @@ package My::Config::Option;
 
 use strict;
 use warnings;
+use Carp;
 
 
 sub new {
@@ -31,7 +32,7 @@ package My::Config::Group;
 
 use strict;
 use warnings;
-
+use Carp;
 
 sub new {
   my ($class, $group_name)= @_;
@@ -68,7 +69,7 @@ sub remove {
   return undef unless defined $option;
 
   # Remove from the hash
-  delete($self->{options_by_name}->{$option_name}) or die;
+  delete($self->{options_by_name}->{$option_name}) or croak;
 
   # Remove from the array
   @{$self->{options}}= grep { $_->name ne $option_name } @{$self->{options}};
@@ -88,6 +89,33 @@ sub name {
   return $self->{name};
 }
 
+sub suffix {
+  my ($self)= @_;
+  # Everything in name from the last .
+  my @parts= split(/\./, $self->{name});
+  my $suffix= pop(@parts);
+  return ".$suffix";
+}
+
+sub after {
+  my ($self, $prefix)= @_;
+  die unless defined $prefix;
+
+  # everything after $prefix
+  my $name= $self->{name};
+  if ($name =~ /^\Q$prefix\E(.*)$/)
+  {
+    return $1;
+  }
+  die "Failed to extract the value after '$prefix' in $name";
+}
+
+
+sub split {
+  my ($self)= @_;
+  # Return an array with name parts
+  return split(/\./, $self->{name});
+}
 
 #
 # Return a specific option in the group
@@ -100,23 +128,37 @@ sub option {
 
 
 #
-# Return a specific value for an option in the group
+# Return value for an option in the group, fail if it does not exist
 #
 sub value {
   my ($self, $option_name)= @_;
   my $option= $self->option($option_name);
 
-  die "No option named '$option_name' in this group"
+  croak "No option named '$option_name' in group '$self->{name}'"
     if ! defined($option);
 
   return $option->value();
 }
 
 
+#
+# Return value for an option if it exist
+#
+sub if_exist {
+  my ($self, $option_name)= @_;
+  my $option= $self->option($option_name);
+
+  return undef if ! defined($option);
+
+  return $option->value();
+}
+
+
 package My::Config;
 
 use strict;
 use warnings;
+use Carp;
 use IO::File;
 use File::Basename;
 
@@ -132,13 +174,13 @@ sub new {
 
   my $self= bless { groups => [] }, $class;
   my $F= IO::File->new($path, "<")
-    or die "Could not open '$path': $!";
+    or croak "Could not open '$path': $!";
 
   while (  my $line= <$F> ) {
     chomp($line);
 
     # [group]
-    if ( $line =~ /\[(.*)\]/ ) {
+    if ( $line =~ /^\[(.*)\]/ ) {
       # New group found
       $group_name= $1;
       #print "group: $group_name\n";
@@ -149,7 +191,7 @@ sub new {
     # Magic #! comments
     elsif ( $line =~ /^#\!/) {
       my $magic= $line;
-      die "Found magic comment '$magic' outside of group"
+      croak "Found magic comment '$magic' outside of group"
 	unless $group_name;
 
       #print "$magic\n";
@@ -171,8 +213,13 @@ sub new {
     # !include <filename>
     elsif ( $line =~ /^\!include\s*(.*?)\s*$/ ) {
       my $include_file_name= dirname($path)."/".$1;
-      # Check that the file exists
-      die "The include file '$include_file_name' does not exist"
+
+      # Check that the file exists relative to path of first config file
+      if (! -f $include_file_name){
+	# Try to include file relativ to current dir
+	$include_file_name= $1;
+      }
+      croak "The include file '$include_file_name' does not exist"
 	unless -f $include_file_name;
 
       $self->append(My::Config->new($include_file_name));
@@ -182,7 +229,7 @@ sub new {
     elsif ( $line =~ /^([\@\w-]+)\s*$/ ) {
       my $option= $1;
 
-      die "Found option '$option' outside of group"
+      croak "Found option '$option' outside of group"
 	unless $group_name;
 
       #print "$option\n";
@@ -194,13 +241,13 @@ sub new {
       my $option= $1;
       my $value= $2;
 
-      die "Found option '$option=$value' outside of group"
+      croak "Found option '$option=$value' outside of group"
 	unless $group_name;
 
       #print "$option=$value\n";
       $self->insert($group_name, $option, $value);
     } else {
-      die "Unexpected line '$line' found in '$path'";
+      croak "Unexpected line '$line' found in '$path'";
     }
 
   }
@@ -231,6 +278,7 @@ sub insert {
     # Add the option to the group
     $group->insert($option, $value, $if_not_exist);
   }
+  return $group;
 }
 
 #
@@ -240,11 +288,11 @@ sub remove {
   my ($self, $group_name, $option_name)= @_;
   my $group= $self->group($group_name);
 
-  die "group '$group_name' does not exist"
+  croak "group '$group_name' does not exist"
     unless defined($group);
 
   $group->remove($option_name) or
-    die "option '$option_name' does not exist";
+    croak "option '$option_name' does not exist";
 }
 
 
@@ -267,10 +315,10 @@ sub group_exists {
 #
 sub _group_insert {
   my ($self, $group_name)= @_;
-  caller eq __PACKAGE__ or die;
+  caller eq __PACKAGE__ or croak;
 
   # Check that group does not already exist
-  die "Group already exists" if $self->group_exists($group_name);
+  croak "Group already exists" if $self->group_exists($group_name);
 
   my $group= My::Config::Group->new($group_name);
   push(@{$self->{groups}}, $group);
@@ -354,11 +402,11 @@ sub value {
   my ($self, $group_name, $option_name)= @_;
   my $group= $self->group($group_name);
 
-  die "group '$group_name' does not exist"
+  croak "group '$group_name' does not exist"
     unless defined($group);
 
   my $option= $group->option($option_name);
-  die "option '$option_name' does not exist"
+  croak "option '$option_name' does not exist"
     unless defined($option);
 
   return $option->value();
@@ -372,7 +420,7 @@ sub exists {
   my ($self, $group_name, $option_name)= @_;
   my $group= $self->group($group_name);
 
-  die "group '$group_name' does not exist"
+  croak "group '$group_name' does not exist"
     unless defined($group);
 
   my $option= $group->option($option_name);
@@ -412,11 +460,11 @@ sub stringify {
 # Save the config to named file
 #
 sub save {
-    my ($self, $path)= @_;
-    my $F= IO::File->new($path, ">")
-	or die "Could not open '$path': $!";
-    print $F $self;
-    undef $F; # Close the file
+  my ($self, $path)= @_;
+  my $F= IO::File->new($path, ">")
+    or croak "Could not open '$path': $!";
+  print $F $self;
+  undef $F; # Close the file
 }
 
 1;