#! /usr/bin/perl

use DirHandle;
use FileHandle;

#
# We used to try and work out the default mail domain, but this made
# it difficult to build a package. Well configured MTAs should
# fully qualify all addresses anyway.
#
my $domain = "";

my $prefix = exists $ENV{"PREFIX"} ? $ENV{"PREFIX"} : "/usr/local";
my $localbase = exists $ENV{"LOCALBASE"} ? $ENV{"LOCALBASE"} : "/usr/local";
my $config = "
# Saved state from exmh.install
# Mon Mar 14 10:59:18 MST 2005
set wish $localbase/bin/wish8.4
set exmh(version) {version 2.7.2 01/07/2005}
set exmh(name) exmh
set exmh(maintainer) welch\@acm.org
set mh_path $localbase/bin
set exmh(slocal) $localbase/libexec/slocal
set mime(dir) $localbase/bin
set mailcap_default /etc/mailcap
set mimetypes_default $prefix/share/exmh/mime.types
set exmh(expect) $localbase/bin/expect
set exmh(expectk) $localbase/bin/expectk
set faces(dir) $localbase/faces/faces
set faces(set,user) {local users usenix misc}
set faces(set,unknown) {domains unknown}
set faces(set,news) news
set faces(defaultDomain) {$domain}
set faces(suffix) {xpm gif xbm}
set pgp(pgp,path) $localbase/bin
set pgp(pgp5,path) $localbase/bin
set pgp(gpg,path) $localbase/bin
set pgp(pgp6,path) $localbase/bin
set glimpse(path) $localbase/bin
set sound(cmd) /usr/bin/aucat
set exmh(library) $prefix/share/exmh
set install(dir,bin) $prefix/bin
set install(dir,man) $prefix/man/man1
set install(dir,lib) $prefix/share/exmh
";

exists $ENV{"WRKSRC"} or die ("WRKSRC: missing from environment\n");
exists $ENV{"WRKBUILD"} or die ("WRKBUILD: missing from environment\n");

my $srcdir = $ENV{"WRKSRC"};
my $dstdir = $ENV{"WRKBUILD"};
my $dir = new DirHandle ($srcdir) or die ("$srcdir: $!\n");
while (my $name = $dir->read ()){
	$name =~ m/^([^.].*)\.MASTER$/ or next;
	$src = "$srcdir/$name";
	$dst = "$dstdir/$1";

	my $in = new FileHandle ($src, "r") or die ("$src: $!\n");
	my $out = new FileHandle ($dst, "w") or die ("$dst: $!\n");

	if (my $line = $in->getline ()){
		$line =~ s|^#!expect|#!$localbase/bin/expect|;
		$line =~ s|^#!tclsh|#!$localbase/bin/tclsh8.4|;
		$line =~ s|^#!wish|#!$localbase/bin/wish8.4|;
		$out->print ($line) or die ("$dst: $!\n");

		while ($line = $in->getline ()){
			if ($line =~ m/^#CONFIGURATION$/){
				$out->print ($line) or die ("$dst: $!\n");
				$out->print ($config) or die ("$dst: $!\n");
				while ($line = $in->getline ()){
					if ($line =~ m/^#END CONFIGURATION$/){
						$out->print ($line) or die (
							"$dst: $!\n");
						last;
					}
				}
				$in->eof () and die ("$src: "
					. "missing 'END CONFIGURATION'\n");
			}
			else {
				$out->print ($line) or die ("$dst: $!\n");
			}
		}
	}
	$in->eof () or die ("$src: $!\n");

	$in->close () or die ("$src: $!\n");
	$out->close () or die ("$dst: $!\n");
}
$dir->close () or die ("$srcdir: $!\n");

exit (0);