#!/usr/bin/perl -w

# Copyright 2001-2004, Paul Johnson (pjcj@cpan.org)

# This software is free.  It is licensed under the same terms as Perl itself.

# The latest version of this software should be available from my homepage:
# http://www.pjcj.net

use strict;

require 5.004;

use lib <~pjcj/g/tools/perl/local>;
use lib <~pjcj/wesley/g/tools/perl/local>;

use System "sys:dsys: command, error";

my $Usage =
    "Usage: $0 /perl/source/code /installation [perl|modules|manual|apache|mod_perl|cpancover]";

my $Perl_src     = shift   || die "$Usage\n";
my $Installation = shift   || die "$Usage\n";
my $Options      = "@ARGV" || "perl modules manual cpancover";

my $Src_dir      = <~pjcj/wesley/g/perl>;
   $Src_dir      = <~pjcj/g/perl> unless -d $Src_dir;
my $Perl_src_dir = "$Src_dir/src";
my $Mod_src_dir  = "$Src_dir/modules";

my $Perl_installation;
my $Perl;
my $Perl_dir;

my $top = `pwd`;
chomp $top;
my $Build = "$top/build";

sub get_src
{
    my ($package, $dir) = @_;
    $dir ||= $Src_dir;
    my $src = $package;
    $src = "$package.tar.gz"       unless -f $src;
    $src = "$package.tar.bz2"      unless -f $src;
    $src = "$dir/$package"         unless -f $src;
    $src = "$dir/$package.tar.gz"  unless -f $src;
    $src = "$dir/$package.tar.bz2" unless -f $src;
    $src = $package                unless -f $src;
    # die "Can't find $package in $dir ($Src_dir)\n"    unless -f $src;
    return $src;
}

sub building ($)
{
    my ($option) = @_;
    return $Options =~ /\b$option\b/i;
}

sub uncompress
{
    $_[0] =~ /2$/ ? "bzcat" : "zcat"
}

sub build ($$$)
{
    my ($module, $src_dir, $opts) = @_;

    chdir $Build or die "Can't chdir $Build: $!";
    my $src = get_src($module, $src_dir);

    $opts =
    {
        "unpack" => sub { dsys uncompress($src) . " $src | tar xf -" },
        dir      => sub { $src =~ m|.*/(.*)\.tar\.gz$|; $1 },
        config   => sub { dsys "$Perl Makefile.PL" },
        make     => sub { dsys "make" },
        test     => sub { sys  "make test" }, # some modules fail their tests...
        install  => sub { dsys "make install" },
        %$opts
    };

    print "build $module\n";
    $opts->{"unpack"}->();
    my $dir = $opts->{dir}->();
    chdir $dir or die "Can't chdir $dir: $!";
    $opts->{config}->();
    $opts->{make}->();
    $opts->{test}->();
    $opts->{install}->();
    print "built $module\n";
}

sub feed ($$)
{
    my ($command, $input) = @_;
    open COMMAND, "| $command" or die "Cannot run $command:$!\n";
    print COMMAND $input;
    close COMMAND or die "Cannot run $command:$!\n";
}

sub main ()
{
    print "Building $Options\n";

    dsys "rm -rf $Build";

    mkdir $Build, 0750 or die "Can't mkdir $Build: $!";

    $ENV{HOME} = $Perl_installation;

    if (building "perl")
    {
        chdir $Build or die "Can't chdir $Build: $!";

        dsys "rm -rf $Perl_installation";

        dsys uncompress($Perl_src) . " $Perl_src | tar xf -";

        chdir $Perl_dir or die "Can't chdir $Perl_dir: $!";

        my @opts =
        (
          "-Dperladmin='paul\@pjcj.net'",
          "-Dcc=gcc",
          "-Dprefix=$Perl_installation",
        );

        dsys "sh ./Configure -des @opts";

        dsys "make";
        sys  "make test";
        dsys "make install";

        $Options =~ s/\bperl\b//;
    }

    $ENV{PATH} .= ":$Perl_installation/bin";  # dodgy stuff that just calls perl

    exec "yes '' | $Perl $0 $Perl_src $Installation $Options" if $^X ne $Perl;

    if (building "modules")
    {
        my @first =
        qw(
          HTML::Tagset
        );

        my @manual =
        qw(
          HTML::Parser
          Term::ReadKey
          Term::ReadLine::Perl
        );

        my @modules =
        qw(
          Bundle::LWP

          ExtUtils::ParseXS
          Archive::Tar
          URI
          Module::Build
          Pod::Coverage
          Bundle::CPAN
          Module::Signature
          Digest::base
          Digest::MD5

          AppConfig
          Template

          YAML
          GD
          Mail::SpamAssassin
          Net::DNS

          Compress::Zlib
          Mime::Base64
          LWP
          Test::Reporter
          DBI
          DBD::mysql
          Mail::Mailer
          Bit::Vector
          Date::Calc
          DBD::Oracle
          Digest::HMAC
          Digest::SHA1
          Net::SSLeay
          IO::Socket::SSL
          IO::Stringy
          MIME::Lite
          MIME::Tools
          Net::Telnet
          Parse::RecDescent
          Spreadsheet::WriteExcel
          XML::Parser
          GD::Text
          GD::Graph
          Image::Info
          Image::Size
          XML::Parser::PerlSAX
          XML::DOM
          XML::XPath
          XML::Simple
          Apache::DBI
          Apache::Session
          Archive::Zip
          SOAP::Lite
          XML::Writer
          Bundle::BioPerl
          Bio::Perl
          Error
          Cache::Cache
          HTML::Template
          CGI::Application
          CGI::Kwiki
          CGI::Session
          List::Util
          Class::DBI
          Class::Date
          Config::IniFiles
          Convert::ASN1
          Crypt::Blowfish
          Crypt::CBC
          Crypt::DES
          Crypt::SSLeay
          Data::ShowTable
          Date::Manip
          Text::CSV_XS
          DBD::CSV
          DBD::ODBC
          DBD::Pg
          DBIx::SearchBuilder
          IO::Tty
          Expect
          Params::Validate
          HTML::Mason
          HTML::Tree
          Inline
          Apache::Request
          Mac::Carbon
          Mac::Glue
          Mail::Box
          Mail::Sendmail
          MD5
          MP3::Info
          Msql
          Net::Daemon
          Net::SNMP
          Net::SSH::Perl
          PAR
          PDF::API2
          PDL
          Net::LDAP
          Image::Magick
          Pod::Simple
          POE
          Regexp::Common
          SPOPS
          Spreadsheet::ParseExcel
          Text::Iconv
          Text::Template
          Time::ParseDate
          Time::Zone
          WWW::Mechanize
          XML::DOM
          XML::NamespaceSupport
          XML::SAX
          XML::LibXML

          Maypole

          Test::Memory::Cycle
          Test::Pod::Coverage
          Data/Grove.pm
          Tie::IxHash

          Bundle::HTML::Mason
          Bundle::XML
          Bundle::BricolagePlus
          Bundle::Perl6
          Bundle::Slash
          Bundle::DateTime
          Bundle::Tk
          Bundle::SSH
          Bundle::Test
        );

        # @modules = @modules[0 .. 11];

        my @not_so_hot =
        qw(
          Bundle::Apache
        );

        my $config =
        {
            "Term::ReadLine::Perl" =>
            {
                test => sub
                {
                    # interactive test - just skip it
                },
            },
            "HTML::Parser" =>
            {
                config => sub
                {
                    my $input = <<EOF;
n
EOF
                    feed "$Perl Makefile.PL", $input;
                },
            },

            "Msql-Mysql-modules-1.2215" =>
            {
                config => sub
                {
                    dsys "$Perl Makefile.PL" .
                         " --noprompt" .
                         " --debug" .
                         " --verbose" .
                         " --mysql-install" .
                         " --nomsql-install" .
                         " --mysql-incdir=/usr/local/pkg/mysql/include/mysql" .
                         " --mysql-libdir=/usr/local/pkg/mysql/lib/mysql" .
                         " --mysql-test-db test" .
                         " --mysql-test-user root" .
                         " --mysql-test-pass" .
                         " --mysql-test-host ride"
                },
            },
        };

        my $f = "$Perl_installation/.cpan";
        -d $f or mkdir $f, 0750 or die "Can't mkdir $f: $!";
        $f.= "/CPAN";
        -d $f or mkdir $f, 0750 or die "Can't mkdir $f: $!";
        $f.= "/MyConfig.pm";
        open F, ">", $f         or die "Can't open $f: $!";
        print F <<EOF;
\$CPAN::Config = {
  'build_cache' => q[100000],
  'build_dir' => q[$Perl_installation/.cpan/build],
  'cache_metadata' => q[1],
  'cpan_home' => q[$Perl_installation/.cpan],
  'dontload_hash' => {  },
  'ftp' => q[/usr/bin/ftp],
  'ftp_proxy' => q[],
  'getcwd' => q[cwd],
  'gpg' => q[/usr/bin/gpg],
  'gzip' => q[/bin/gzip],
  'histfile' => q[$Perl_installation/.cpan/histfile],
  'histsize' => q[100],
  'http_proxy' => q[],
  'inactivity_timeout' => q[0],
  'index_expire' => q[1],
  'inhibit_startup_message' => q[0],
  'keep_source_where' => q[$Perl_installation/.cpan_sources],
  'lynx' => q[/usr/bin/lynx],
  'make' => q[/usr/bin/make],
  'make_arg' => q[],
  'make_install_arg' => q[],
  'makepl_arg' => q[],
  'ncftp' => q[],
  'ncftpget' => q[],
  'no_proxy' => q[],
  'pager' => q[less],
  'prerequisites_policy' => q[follow],
  'scan_cache' => q[atstart],
  'shell' => q[/bin/zsh],
  'tar' => q[/bin/tar],
  'term_is_latin' => q[1],
  'unzip' => q[/usr/bin/unzip],
  'urllist' => [q[ftp://sunsite.cnlab-switch.ch/mirror/CPAN/], q[ftp://ftp.k-informatik.ch/pub/CPAN/]],
  'wget' => q[/usr/bin/wget],
};
1;
EOF
        close F or die "Can't close $f: $!";

        eval "use CPAN";

        my $install = sub
        {
            my ($m) = @_;
            print "Installing $m via CPAN\n";
            # I wish I knew how to do this properly.  I just want to
            # force install the thing.
            my $mod = CPAN::Shell->expandany($m);
            if ($mod)
            {
                return if $mod->uptodate;
                # $mod->force("install");
                CPAN::Shell->install($_);
            }
            else
            {
                CPAN::Shell->install($_);
            }
            # CPAN::Shell->expandany($_)->install;
        };

        $install->($_) for @first;

        for my $mod (@manual)
        {
            # my @mods = CPAN::Complete::cpl_any($mod);
            # print "Mods for $mod are: @mods\n";
            # next;
            print "Installing $mod \n";
            next unless building "manual";
            my $m = CPAN::Shell->expandany($mod);
            print "Getting version ", $m->cpan_version, "\n";
            $m->get;
            my $b = $m->cpan_file;
            $b =~ s|.*/||;
            $b =~ s|\.tar.gz||;
            $b = "$Perl_installation/.cpan/build/$b";
            die "Can't find build dir $b" unless -d $b;
            # use Data::Dumper;  print Dumper $m;
            print "Building in $b\n";
            my $c =
            {
                %{$config->{$mod} || {}},
                unpack  => sub {},
                dir     => sub { $b },
                # make    => sub {},
                # test    => sub {},
                # install => sub { $m->install },
                # install => sub { $m->install; dsys "make test install" },
            };
            build $mod, $b, $c;
        }

        $install->($_) for @modules;
    }

    my $apache   = "apache_1.3.31";
    my $mod_perl = "mod_perl-1.29";

    build $apache,
          $Perl_src_dir,
          {
              config  => sub {},
              make    => sub {},
              test    => sub {},
              install => sub {},
          }
        if building "apache";

    build $mod_perl,
          $Perl_src_dir,
          {
              config => sub
              {
                  dsys "$Perl Makefile.PL" .
                       " APACHE_SRC=../$apache/src" .
                       " DO_HTTPD=1 USE_APACI=1 PREP_HTTPD=1 EVERYTHING=1";
              },
          }
        if building "mod_perl";

    build $apache,
          $Perl_src_dir,
          {
              "unpack" => sub {},
              config   => sub
              {
                  dsys "./configure" .
                       " --prefix=$Installation/$apache" .
                       " --enable-module=rewrite" .
                       " --activate-module=src/modules/perl/libperl.a";
              },
          }
        if building "apache";

    if (building "cpancover")
    {
        (my $dc = $0) =~ s|/[^/]+$||;
        chdir $dc or die "Can't chdir $dc";
        system "$Perl Makefile.PL";
        system "make clean";
        system "$Perl Makefile.PL";
        system "make test";
        system "make install";
        my $od = "$Perl_installation/cpancover." . time;
        my $c = "cpancover -outputdir $od" .
                " -dir $Perl_installation/.cpan/build";
        print "Running $c\n";
        exec "yes '' | $c";
    }
}

$Perl_src = get_src($Perl_src, $Perl_src_dir);

($Perl_dir) = $Perl_src =~ m!.*/(.*)\.tar\.(gz|bz2)$!;
print "perl src is $Perl_src\n";
print "perl dir is $Perl_dir\n";

$Perl_installation .= "$Installation/$Perl_dir";
$Perl = "$Perl_installation/bin/perl";

main