psyced/bin/psyconf

#!/usr/bin/perl
### -I/opt/psyced/utility
# the include path would help finding INI.pm, but what if you the user
# have decided to install psyced elsewhere?
#
# psyconf(8)  - tool that generates psyc configuration
#		files out of a common psyced.ini
#
# $Id: psyconf,v 1.80 2008/10/26 15:24:01 lynx Exp $

=head1 NAME

psyconf - a configuration tool for PSYCED

=head1 SYNOPSIS

Usage: psyconf [ <file> ]

The default configuration file used is /etc/psyced.ini

=cut

use File::Spec;

# this approach still doesn't work when installing on gentoo
# we need a seperate ebuild for INI.pm. until then we will use
# the stupid parser
#
#BEGIN { # BEGIN just in case somebody ever accesses INI::something by hand
#    unless (%INI::) { # get INI, if it isn't in this file (somewhere above)
#	my @dir;
#	my $inilocation;
#
#	@dir = File::Spec->splitdir($0);
#	pop @dir;
#	$inilocation = File::Spec->catfile(@dir, qw".. utility INI.pm");
#
#	if (-f $inilocation) {
#	    require $inilocation;
#	} else {
#	    require INI;
#	}
#    }
#}

# append something while testing
#my $test = "-NEW";
use Data::Dumper;

sub say {
	print join('', @_); # if $test;
}


	### MAIN ###
	# if you are manually compiling an ldmud, rename it or change here.
	my $driver = 'psyclpc';

	use Getopt::Std;
	&getopt;

	print STDERR '$Id: psyconf,v 1.80 2008/10/26 15:24:01 lynx Exp $', "\n";

	my $conf = shift || 'psyced.ini';
	$conf = '/etc/psyc/psyced.ini' unless -r $conf;
	# should we complain if two psyced.ini files exist?
	# lymeca got confused at this point, expecting the systemwide
	# psyced.ini to be used, but actually having a local copy
	say "The PSYCED configuration tool. Looking at $conf\n\n";

# this is the super-duper fancy amazing INI handler
#	#use INI; # ":verbose";
#	my %c;
#	tie(%c, INI, $conf, 5);

# and this is the stupider INI parser in a couple of lines
# cute, but we'd like to have the features of INI.pm one happy day
	my %c, $f = "";
	open C, $conf;
	while(<C>) {
		next if /^;/;
		next if /^\s*$/;
		$f = $1, next if /^\[(\w+)\]\s*$/;
		#   Room name 'ornia ' is not permitted.
		# isn't this stripping trailing whitespace properly?
		# should it read \S.+\S ? or at least .+\S ?
		$c{"$f$1"} = $2, next if /^(\w+)\s*=\s*(.+)\s*$/;
		die "cannot parse line $. in $conf:\n\t$_\n";
	}
	close C;

	if ($opt_D) {
		if ($c{_basic_list_script_init}) {
			foreach (split /\s+/, $c{_basic_list_script_init}) {
				say "Deinstallation! Removing $_\n";
				unlink $_;
			}
		}
		exit;
	}

	use POSIX;
	my @uname = POSIX::uname();
	# if POSIX.pm is unavailable, this also works:
	# @uname = split ' ', `uname -s -r -n -m -v`;
	#print Dumper(@uname);
	my $_type_machine = $uname[$#uname];
	$_ = $uname[2];
	/^(\w+\.\w+)\b/ or /^(\w+)\b/;
	my $_type_system = "\L$uname[0]\E";
	my $_version_system = "$uname[0]/$1";
	my $_type_architecture = lc "$_type_machine-$uname[0]";
	say "Machine Type: $_type_machine. OS Type: $_type_system. ",
	    "Arch: $_type_architecture\n";
#Typical outputs:
# Machine Type: i686. OS Type: linux. Arch: i686-linux
# Machine Type: x86_64. OS Type: linux. Arch: x86_64-linux
# Machine Type: Power Macintosh. OS Type: darwin. Arch: power macintosh-darwin

	my $base = $c{_basic_path_base};
	die "_basic_path_base not defined in config" unless $base;
	die "Base directory $base defined as _basic_path_base not available"
	    unless -x $base;
	my $sandbox = "$base/world";
	die "psyced library $sandbox does not exist" unless -x $sandbox;
	my $arch = "$base/bin-$_type_architecture";
	my $config = $c{_basic_path_configuration} || $base;
	# this isn't taking $ARCH_DIR from install.sh into account
	# but maybe it shouldn't anyway..
	say "Looking for driver in $arch/$driver\n";
	unless (-x $arch && -x "$arch/$driver") {
		$arch = "$base/bin-$_type_system";
		say "Looking for driver in $arch/$driver\n";
		unless (-x $arch && -x "$arch/$driver") {
			$arch = "$base/bin-linux";
			say "Looking for driver in $arch/$driver\n";
			if (-x $arch && -x "$arch/$driver") {
				say "\nBug in $0: We didn't find $base/bin-linux in the appropriate way.\nThat's not nice. Continuing however.\n"
			} elsif (not -x ($arch = "$base/bin") && -x "$arch/$driver") {
				say "Looking for driver in $arch/$driver\n";
				# bad place for psyclpc really..
				# since it is usually of no commandline use
				# but where else should psyclpc.ebuild
				# install it? in /opt/psyclpc? for two files?
				$arch = "/usr/sbin";
				say "Looking for driver in $arch/$driver\n";
				# the following is very unlikely to happen:
				die <<X unless -x $arch && -x "$arch/$driver";
Could not find any directory containing $driver.
X
			}
		}
	}
	say "Found driver in $arch/$driver\n";

	my $user = $c{_basic_system_user} || 'daemon';
	my ($login,$pass,$uid,$gid) = getpwnam($user)
	    or die "uid '$user' not defined on this system";
	# this doesn't mean psyconf is intended to run as $user too!!
	say "psyced must later be running as user $user ($uid:$gid)\n";
	# will automatically, when started via etc/init.d but if you
	# start it manually, you have to switch to that user yourself

	my $ho = $c{_basic_host_name} || $ENV{HOST} || 'psyc';
	my $chatname = $c{_basic_nick_server} ||
		         $c{_basic_host_name} || 'psyced';
	$chatname = 'psyced' if $chatname eq 'psyc';

#	say "Generating control files in $c{_basic_path_base} ..\n\n";
	my $t = "$base/local/ports.h$test";
	say "Generating control file $t ..\n";
	rename $t, "$t~";
	open O, '>', $t or die "Cannot write to $t";

	print O <<X;
// CAUTION! This file has been generated using $0.
// Don't edit unless you are no longer going to use the configuration tool.
// Edit $conf instead, then run $0 again.

/* the values in here may be the same as in services.h
 * or they may be not. so always be aware which one's you
 * are using to which purpose.	-lynX
 */
#ifndef PORTS_H
#define PORTS_H

#define	PSYC_PORT	$c{_protocols_port_PSYC}
#define	PSYCS_PORT	$c{_protocols_port_PSYC_encrypted}

#define	HTTP_PORT	$c{_protocols_port_HTTP}
#define	HTTPS_PORT	$c{_protocols_port_HTTP_encrypted}

#define	IRC_PORT	$c{_protocols_port_IRC}
#define	IRCS_PORT	$c{_protocols_port_IRC_encrypted}

#define	JABBER_PORT	$c{_protocols_port_jabber_clients}
#define	JABBERS_PORT	$c{_protocols_port_jabber_clients_encrypted}
#define	JABBER_S2S_PORT	$c{_protocols_port_jabber_S2S}

#define	TELNET_PORT	$c{_protocols_port_telnet}
#define	TELNETS_PORT	$c{_protocols_port_telnet_encrypted}

#define	APPLET_PORT	$c{_protocols_port_applet}

#define	POP3_PORT	$c{_protocols_port_POP3}
#define	POP3S_PORT	$c{_protocols_port_POP3_encrypted}

#define	SMTP_PORT	$c{_protocols_port_SMTP}
#define	SMTPS_PORT	$c{_protocols_port_SMTP_encrypted}

#define	NTTP_PORT	$c{_protocols_port_NNTP}
#define	NNTPS_PORT	$c{_protocols_port_NNTP_encrypted}

// experimental PSYC 1.0 implementation
#define	SPYC_PORT	$c{_protocols_port_SPYC}

#endif
X
	close O;
	chmod 0644, $t;

	my $ports="$c{_protocols_port_PSYC} $c{_protocols_port_jabber_S2S} $c{_protocols_port_applet} $c{_protocols_port_telnet} $c{_protocols_port_HTTP} $c{_protocols_port_IRC} $c{_protocols_port_jabber_clients} $c{_protocols_port_SMTP} $c{_protocols_port_NNTP} $c{_protocols_port_SPYC}";
	$ports .= " $c{_protocols_port_PSYC_encrypted} $c{_protocols_port_telnet_encrypted} $c{_protocols_port_HTTP_encrypted} $c{_protocols_port_IRC_encrypted} $c{_protocols_port_jabber_clients_encrypted} $c{_protocols_port_SMTP_encrypted} $c{_protocols_port_NNTP_encrypted}" if $c{_protocols_use_encryption};

	my @adm;
	unless ($c{_administrators_list_nicks}) {
		print STDERR <<X;

You have decided to run an unadministered psyced. That's a socially quite
interesting idea, but the software can't deal with that yet.
Continue nonetheless? (hit ctrl-c for mental sanity)
X
		<STDIN>;
	} else {
		foreach (split /\s+/, $c{_administrators_list_nicks}) {
			my $ni = lc($_);
			push @adm, $ni;

			$t = "$base/data/person/$ni.o$test";
			next if -e $t;

			say "Creating administrator in $t\n";
			open O, '>', $t or die "Cannot write to $t";
			my $pw = $c{_administrators_password_default};
			unless ($pw) {
				print STDERR "Please input a password for $_: ";
				$pw = <STDIN>;
				chomp $pw;
			}
			print O <<X;
#0:0
_v (["password":"$pw","name":"$_",])
X
			close O;
			chmod 0600, $t;
			chown $uid, $gid, $t if $uid;
		}
	}
	my $adm = join '", "', @adm;

	$t = "$base/local/psyconf.h$test";
	say "Generating control file $t ..\n";
	rename $t, "$t~";
	open O, '>', $t or die "Cannot write to $t";

	print O <<X;
// CAUTION! This file has been generated using $0.
// Don't edit unless you are no longer going to use the configuration tool.
// Edit $conf instead, then run $0 again.
// If you want to tune psyced, edit local.h instead!

X
	if ( $c{_optional_config_HTTP} ) {
		print O <<X;
# define WEB_CONFIGURE

X
		print STDERR <<X unless $c{_protocols_port_HTTP} or $c{_protocols_port_HTTP_encrypted};

Warning: _optional_config_HTTP activated without any HTTP port. You won't be
	 able to use the web configuration tool without webserver.

X
	}
	print STDERR <<X if $c{_optional_charset_system};
Warning: _optional_charset_system is obsolete. Please remove it.
X
#	print O <<X if $c{_optional_charset_system};
## define SYSTEM_CHARSET "$c{_optional_charset_system}"
#
#X
	print O <<X if $c{_optional_charset_console};
// optional
# define CONSOLE_CHARSET "$c{_optional_charset_console}"

X

#	if ( $c{_basic_host_domain} ) {
#		print O <<X;
## undef __DOMAIN_NAME__
## define __DOMAIN_NAME__	"$c{_basic_host_domain}"
## define SERVER_HOST	"$ho." __DOMAIN_NAME__
#
#X
#	} else {
#		print O <<X;
## if __DOMAIN_NAME__ != "unknown"
##  define SERVER_HOST	"$ho." __DOMAIN_NAME__
## else
##  if __HOST_IP_NUMBER__ == "127.0.0.1"
##   define SERVER_HOST	__HOST_NAME__
##  else
##   define SERVER_HOST	"$ho"
##  endif
## endif
#
#X
#	}
	print O <<X if $c{_basic_host_domain};
# define CHATDOMAIN	"$c{_basic_host_domain}"
X
	my $pl = lc($c{_basic_place_default}) || 'rendezvous';
	my $la = lc($c{_basic_language_default}) || 'en';

	print O <<X;
# define CHATHOST	"$ho"
# define CHATNAME	"$chatname"

# define DEFPLACE 	"$pl"
# define DEFLANG 	"$la"

// only required field, really
# define ADMINISTRATORS	"$adm"

// architecture and operating system (used in PSYC headers etc.)
# define MACHTYPE	"$_type_machine"
# define OSTYPE		"$_version_system"
X
	close O;
	chmod 0640, $t;
	chown $uid, $gid, $t if $uid;

# PSYCED LAUNCHER
	$t = "$base/bin/psyced$test";
	say "Generating control file $t ..\n";
	rename $t, "$t~";
	open O, '>', $t or die "Cannot write to $t";

	my $db = $c{_optional_level_debug} || '0';
	my $psyced = "$arch/$driver -DDEBUG=$db";
	my $debugfile;

	if ( $c{_optional_use_file_debug} ) {
		$debugfile = "$sandbox/log/psyced.debug";
		$psyced .= " --debug-file ". $debugfile;
# since psyclpc 4.0.4 backtraces are also in the regular console log.. yippie!
#		say "ATTENTION: $debugfile will contain runtime error backtraces.\n";
	}
	# else: ldmud tries to create $hostname.debug.log in $sandbox
	# psyclpc is good boy instead. so we can keep this optional.

	my $hc = 0;
	## ldmud bug number one: you have to provide hostname AFTER hostaddr
	if ($c{_basic_host_IP} =~ /^[0-9\.]+$/) {
		$psyced .= " --hostaddr $c{_basic_host_IP}";
		$hc = 1;	# problem?
	}
	if ($c{_basic_host_domain} and $c{_basic_host_name}) {
		my $fqdn = "$c{_basic_host_name}.$c{_basic_host_domain}";
		$psyced .= " --hostname $fqdn";
		$hc = 0;	# no problem
	}
	## ldmud bug number two
#WARNING: Because of some funny bug the driver will probably not bind properly
#to _basic_host_IP as it also needs _basic_host_name and _basic_host_domain
#to be provided. Hopefully this shortcoming will soon be history.
#In the meantime please re-edit the psyced.ini to provide all variables.
	print STDERR <<X if $hc == 1;

WARNING: _basic_host_IP, _basic_host_name and _basic_host_domain need to be
provided together as the driver won't figure out the proper name for the IP
number or vice versa. Please re-edit the psyced.ini to provide all variables.

X
	if ($c{_protocols_use_encryption}) {
		my $t = $c{_basic_path_PEM_key};
		if ($t) {
			$t = "$config/$t" unless $t =~ m#^/#;
			$psyced .= " --tls-key $t";
		}
		if ($t = $c{_basic_path_PEM_certificate}) {
			$t = "$config/$t" unless $t =~ m#^/#;
			$psyced .= " --tls-cert $t";
		}
		if ($t = $c{_basic_path_trust}) {
			$t = "$config/$t" unless $t =~ m#^/#;
			$psyced .= " --tls-trustdirectory $t";
		}
# ldmud doesn't support this yet
#		$psyced .= " --tlscrldirectory $config/$c{_basic_path_revocation}"
#		    if $c{_basic_path_revocation};
	}
	$psyced .= ' '. $c{_optional_extra_debug} if $c{_optional_extra_debug};

	# you can divert UDP if you know what you are doing.
	my $portUDP = $c{_protocols_port_UDP} || $c{_protocols_port_PSYC};
	my $umask = $c{_optional_umask} || '007';
	print O <<X;
#!/bin/sh
#
# CAUTION! This file has been generated using $0.
# Don't edit unless you are no longer going to use the configuration tool.
# Edit $conf instead, then run $0 again.

X
	# if the installation isn't intentionally using root rights
	# make sure the admin won't run psyced or do "psyced -u" as root
	# as it will most probably mess up file permissions and break psyced
	print O <<X if $user ne 'root';
userid=`id | sed "s/).*//" | sed "s/.*(//"`
# We could even test for != "x$user" here. Should we?
if test "x\$userid" = "xroot"
then
	echo "${hi}ERROR: ${lo}You can't run \$0 with root privileges unintentionally.\nUse 'su $user' or edit psyced.ini."
	exit 2
fi

X
	# it's not a security issue really, but shouldn't control files
	# like status-0-beta-OK be outside the sandbox?		-lynX

	print O <<X;
umask $umask

# with this chdir, old ldmud should be able to find its keys anyhow
cd $base

# available flags: -u, -d and -m
# TODO: i'd like for -b to make a backup archive of the psyced tree before
# updating, and -r to revert to the last backupped version. whatchathink?

# the following if-block handles the -u option for updating your
# installation by git. it ensures your installation is still basically
# compatible with the one in the git or complains.
#
if test "\$1" = "-u"
then
    if test -e $sandbox/status-0-beta-OK
    then
#	echo "automated update functionality no longer available. try"
#	echo "'git fetch origin', optionally 'git diff master..origin/master'"
#	echo "and finally 'git merge -s resolve origin' instead"
#	exit 1
#	echo "${hi}ATTENTION: ${lo}Please give an empty password to log in (-> press enter)"
##	(cd $sandbox/.. && cvs login && cvs -q update -dP && cvs logout)
	echo ""
	echo "Fetching update from public git repository..."
	echo ""
	(cd $sandbox/.. && git fetch origin)
	echo ""
	echo "You can now read the changes using ${hi}\$0 -d${lo}"
	echo "or activate the changes using ${hi}\$0 -m${lo}"
    fi
    if ! test -e $sandbox/status-0-beta-OK
    then
	echo ""
	echo "${hi}ATTENTION:${lo}"
	echo "The version of psyced you are using is outdated. You cannot"
	echo "get new updates because of incompatibility."
	echo ""
	echo "More information following.."
	echo "" 
	cat $sandbox/status-0-DEPRECATED
	echo ""
	echo "The file you just saw is: ${hi}${lib}/status-0-DEPRECATED${lo}."
	exit 1
    else
 	echo "It may be a good idea to run ${hi}\$0${lo} again before you continue."
    fi
    exit
fi

if test "\$1" = "-d"
then
##  (cd $base && cvs -q diff -ur HEAD|\$PAGER)
    (cd $base && git diff master..origin/master | \$PAGER)
    exit
fi

if test "\$1" = "-m"
then
    # git is seriously unsuited for this job. we need to "check in" the changes
    # to file permissions etc or otherwise we can't update things at all...
    (cd $base && git commit -a -m 'automatic by psyced -m')
    # merging will of course fail.. sigh
    (cd $base && git merge -s resolve origin)
    exit
fi

# if your ldmud is too old, it may not understand --pidfile and --tls-*
commandline="$psyced -s 0 -s v0 --swap-file $base/psyced.swap --erq $arch/erq --pidfile $sandbox/data/$driver.pid -m $sandbox -u $portUDP $ports"

# keep the pid of this wrapper process, too
echo \$\$ >data/psyced.pid

# neat feature of gnu mv
VERSION_CONTROL=numbered;
export VERSION_CONTROL

# rm'ing this allows the administrator commands in psyced to stop the loop
touch $sandbox/data/.autorestart
while [ -r $sandbox/data/.autorestart ]
do
X
	# we can presume gnu mv on linux
	#my $domv = $_type_system eq 'linux' ? 'mv -b' : 'mv -f';
	# yes, but all these backups are overkill
	# who needs these debug logs archived for all eternity anyway?
	my $domv = 'mv -f';
	# maybe we should develop a strategy for all the OTHER logfiles.....
	# but luckily psyclpc has some support for that itself

	print O <<X if $debugfile;
	touch $debugfile
	$domv $debugfile $debugfile-old
X
	if ($c{_optional_console_debug}) {
		print O "\t\$commandline\n";
	} else {
		say "The file $sandbox/log/psyced.out will contain the runtime output.\n";
		print O <<X;
	touch $sandbox/log/psyced.out $sandbox/log/psyced.err
	$domv $sandbox/log/psyced.err $sandbox/log/psyced.err-old
	# the gnu date manual doesn't mention if +FORMAT is a posix
	# standard or a gnu extension. is this call going to work
	# in most current environments? it does work on bsd, *phew*
	#$domv $sandbox/log/psyced.out $sandbox/log/`date +%Y-%m-%d`.out
	# ah whatever.. let's not make it too complicated..
	# who needs these debug logs archived for all eternity anyway?
	$domv $sandbox/log/psyced.out $sandbox/log/psyced.out-old
	echo ---------------------------------------- >>$sandbox/log/psyced.out
	date >>$sandbox/log/psyced.out
	echo ---------------------------------------- >>$sandbox/log/psyced.out
	\$commandline >>$sandbox/log/psyced.out 2>>$sandbox/log/psyced.err
X
	}
	print O <<X;
	sleep 3
done
X
	close O;
	chmod 0744, $t;
	chown $uid, $gid, $t if $uid;

# TODO: generate a psyced.gdb file kind of like this
	print <<X if 0;
file /bin/psyclpc
run -DDEBUG=1 -u 4404 4404 2323 6667 5222 9999 etc. whatever flags necessary
X

# PSYCED INIT.D SCRIPT
	$t = "$base/etc";
	mkdir($t);
	$t .= "/init.d";
	mkdir($t);
	$t .= "/psyced$test";
	say "Generating control file $t ..\n";
	rename $t, "$t~";

	# HerraBRE: the init script uses "su -s" which os x doesn't understand.
	#
	# alright, so now i could let it do something else in case of OS X
	# but I need to know (1) how to recognize OSX (2) what to put here!
	$su = 'su -s';

			# or die.. mention at this point that we should
			# probably be running as root?
	open O, '>', $t or die "Cannot write to $t";
	print O <<X;
#!/bin/sh
#
# CAUTION! This file has been generated using $0.
# Don't edit unless you are no longer going to use the configuration tool.
# Edit $conf instead, then run $0 again.

test -x $base/bin/psyced || exit 0

case "\$1" in
    start)
	echo -n "Starting psyced in background ... "
	# in nei's environment a zsh would be started to execute the
	# psyced script. so he suggests to add a -s parameter. in our
	# environment both strategies work.
	$su /bin/sh $user $base/bin/psyced &
	# some distributions no longer have /bin/sh in /etc/shells.
	# use a better distribution if they don't!  :)
	# this script has to remain posix compatible. bash is no option here.
	echo "OK"
	;;
    stop)
	rm $sandbox/data/.autorestart
	if test -r $sandbox/data/$driver.pid
	then
		echo -n "Instructing psyced to gently shut down ... "
		kill -1 \`cat $sandbox/data/$driver.pid\`
		# this should be enough ideally
		# but we can remove the pid file so a
		# second stop call will kill bill
		rm $sandbox/data/$driver.pid && echo "OK"
	else 
		echo -n "Killing psyced brutally ... "
		kill -1 \`cat $sandbox/data/$driver.pid\` >/dev/null 2>&1
		kill -3 \`cat $sandbox/data/psyced.pid\` && echo "OK"
	fi
	;;
    kill)
	echo -n "Killing psyced brutally ... "
	kill -3 \`cat $sandbox/data/psyced.pid\` && echo "OK"
	;;
    restart)
	echo -n "Instructing psyced to restart ... "
	kill -1 \`cat $sandbox/data/$driver.pid\` && echo "OK"
	;;
    status)
	;;
    *)
	echo "Usage: \$0 {start|stop|restart|kill}"
	exit 1
	;;
esac

X
	close O;
	chmod 0744, $t;

	if ($c{_basic_list_script_init}) {
		foreach (split /\s+/, $c{_basic_list_script_init}) {
			say "... copying to $_\n";
			`cp "$t" "$_"`;
		}
	}

	chdir "$sandbox/net/place" or die "Where is my net/place? $!";
 
## start of former archetype.pl

	# generate psyced place models using combinations of archetype flags

	my @opts, @predef, %map;
	open(I, "archetype.gen") or die <<X;

$0: Cannot open archetype.gen in $sandbox/net/place.

X
	while (<I>) {
		if (m!define\s(\w+)\s*//\s\[(.)\]!) {
			if ($2 eq '+') {
				push @predef, $1;
			} else {
				$map{$2} = $1;
				push(@opts, $2);
			}
		} elsif (/^#endif/) {
			last;
		}
	}
	close I;
	print "Generating archetype place models...\n";

#	print join("\n", @opts), "\n\n";
#	print "$_\n" foreach ( %map );

	open (O, ">../include/place.i") or die $!;
	print O <<X;
// generated by '$0': place.i for place.gen

X
	my $file = '';
	foreach $o (@opts) {
		print O <<X;
#ifdef $map{$o}
# define O$o "$o"
#else
# define O$o ""
#endif

X
		$file .= " O$o";
	}
	print O <<X;
inherit NET_PATH "place/_"$file;
X
	$predef = '';
	foreach $p (@predef) {
		$predef .= "#define $p\n";
	}

#	open(IG, ">.cvsignore") or print <<X;
#Warning: cannot create .cvsignore. Well, doesn't matter.
#X
#	# funny how it likes to see itself in there
#	print IG ".cvsignore\n";

	my $bits = 1 + $#opts;
	for ($v = 1 << $bits; $v;) {
		$v--;
		$f = '';
		$model = '';

		for ($i = 0; $i < $bits; $i++) {
			if ($v & 1 << $i) {
				my $o = $opts[$i];
				$f .= $o;
				$model .= "#define $map{$o}\n";
			}
		}

		# special case: skip all exports without history
		next if $f =~ /^e/;
		# same special case is also handled in place.gen

		printf " (%02d _%s)", $v, $f;
		#print " ($v _$f)";

#		print IG "_$f.c\n";
		open (O, ">_$f.c") or die $!;
# proud and noisy.. for a week or two at least  ;)
#echo loading model '_$f' generated by '$0'
		print O <<X;
// model '_$f' generated by '$0'

#define ESSENTIALS
$model
#include "archetype.gen"
X
# used to output $predef but it's easier to
# have archetype.gen sort out ESSENTIALS
		close O;
	}
#	close IG;

	print "\nModel creation completed successfully.\n";

## end of former archetype.pl

	say "\nCaution: You may have to completely shut down and restart psyced\n";
	say "to ensure the newly generated start-up scripts are actually used.\n";

# vim:ts=8