=head1 NAME

SettingUpBuildSystem - How to set-up a chrooted build system

=head1 create lenny base

	debootstrap lenny /var/tmp/let32 http://ftp.at.debian.org/debian/
	mount -o bind /proc /var/tmp/let32/proc
	chroot /var/tmp/let32 su -
	echo let32 > /etc/debian_chroot
	apt-get update
	apt-get install sudo
	adduser b &&echo 'b ALL=(ALL)NOPASSWD: ALL' >> /etc/sudoers
	exit
	chroot /var/tmp/let32 su - b
	sudo apt-get install libapt-pkg-perl
	sudo apt-get install libyaml-perl libyaml-syck-perl libtext-diff-perl liblist-moreutils-perl
	sudo apt-get install libfile-slurp-perl libtest-exception-perl libtest-differences-perl
	sudo apt-get install libjson-xs-perl libmoose-perl libfile-chdir-perl
	sudo apt-get install libpath-class-perl libtest-deep-perl libreadonly-perl
	sudo apt-get install libfile-find-rule-perl libfile-homedir-perl libio-compress-bzip2-perl
		
	sudo cpan
	# o conf connect_to_internet_ok yes
	# o conf commit
	
	sudo cpan -i CPAN::Patches::Plugin::Debian Debian::Apt::PM
	
	sudo apt-get install debootstrap

	sudo chown b /var/cache/apt/apt-pm/*
	sudo bash -c 'echo "deb http://pkg-perl.alioth.debian.org/~jozef-guest/pmindex/ lenny main contrib non-free" >> /etc/apt/sources.list'
	apt-pm update

	sudo chown b /var/lib/dh-make-pm /var/lib/cpan-patches/
	
	cd /var/lib/cpan-patches/
	rmdir debian-set
	sudo git clone git://github.com/jozef/CPAN-Patches-Debian-Set.git debian-set
	rmdir set
	sudo git clone git://github.com/jozef/CPAN-Patches-Example-Set.git set

	sudo bash -c 'echo "deb     http://ftp.at.debian.org/debian testing main contrib" >> /etc/apt/sources.list'
	sudo bash -c 'echo "deb-src http://ftp.at.debian.org/debian testing main contrib" >> /etc/apt/sources.list'
	sudo bash -c 'echo -e "Package: *\nPin: release a=stable\nPin-Priority: 700\n\nPackage: *\nPin: release a=testing\nPin-Priority: 600\n" >> /etc/apt/preferences'
	sudo apt-get update
	sudo apt-get install -t testing dh-make-perl debhelper
	sudo apt-get install -t testing xvfb po4a quilt dpatch cdbs build-essential cowdancer dpkg-dev
	
	######
	# probably not, backport those
	cd /tmp
	svn co svn://cvs.alioth.debian.org/svn/pkg-perl/trunk/dh-make-perl
	cd dh-make-perl
	perl Build.PL && ./Build manifest && ./Build distmeta
	sudo apt-get install libmodule-depends-perl libwww-mechanize-perl libfile-touch-perl
	sudo cpan -i Array::Unique Email::Date::Format autodie Module::CoreList File::DirCompare Text::Diff
	perl Build.PL && ./Build test && sudo ./Build install

=head2 create cowbuilder for lenny

	sudo debootstrap lenny /var/cache/pbuilder/base.cow
	sudo bash -c 'echo "127.0.0.1"' > /var/cache/pbuilder/base.cow/etc/hosts'
	sudo bash -c 'echo "deb file:///var/cache/pbuilder/result/ unstable/" >> /var/cache/pbuilder/base.cow/etc/apt/sources.list'
	sudo bash -c 'echo "deb file:///var/cache/pbuilder/result/ unstable/" >> /etc/apt/sources.list'
	cd /var/cache/pbuilder/result/
	sudo chown b .
	wget http://github.com/jozef/Debian-Apt-PM/raw/master/examples/repo/Makefile
	wget http://github.com/jozef/Debian-Apt-PM/raw/master/examples/repo/Release.conf
	mkdir -p unstable/unsorted
	vim Release.conf
	# generate a key without passphrase
	gpg --gen-key
	gpg --export --armor | sudo apt-key add -
	gpg --export --armor | sudo chroot /var/cache/pbuilder/base.cow/ apt-key add -
	make
	sudo apt-get update
	
	sudo chroot /var/cache/pbuilder/base.cow su -
	echo build > /etc/debian_choot
	apt-get update
	apt-get install cowdancer
	exit
	
	sudo bash -c 'echo "BINDMOUNTS=/var/cache/pbuilder/result" >> /etc/pbuilderrc'
	sudo bash -c 'echo "PDEBUILD_PBUILDER=cowbuilder" >> /etc/pbuilderrc'
	sudo cowbuilder --update

=head2 backport for packaging

	sudo chroot /var/cache/pbuilder/base.cow/
	bash -c 'echo "deb     http://ftp.at.debian.org/debian testing main contrib" >> /etc/apt/sources.list'
	bash -c 'echo -e "Package: *\nPin: release a=stable\nPin-Priority: 700\n\nPackage: *\nPin: release a=testing\nPin-Priority: 600\n" >> /etc/apt/preferences'
	apt-get update
	exit

	cd /tmp
	apt-get source dpkg
	cd dpkg-*
	pdebuild
	cd /var/cache/pbuilder/result/; make new-package all
	
	cd /tmp
	cd apt-get source debhelper
	cd dh-make-perl-*
	pdebuild
	cd /var/cache/pbuilder/result/; make new-package all
	
	libtool
	gettext
	autoconf
	m4
	libdb4.7-dev
	
	cd /tmp
	cd apt-get source xz-utils
	cd xz-utils-*
	# needs autoconf >= 2.64
	vim debian/control
	pdebuild
	cd /var/cache/pbuilder/result/; make new-package all
	
	cd /var/cache/pbuilder/result/
	mv unstable/unsorted unstable/for-build
	mkdir unstable/unsorted
	make all
	
	base-files
	
	# remove testing
	vim /var/cache/pbuilder/base.cow/etc/apt/sources.list
	mv /var/cache/pbuilder/base.cow/etc/apt/preferences /var/cache/pbuilder/base.cow/etc/apt/preferences.old
	
	sudo cowbuilder --update
	
	
=head2 backport perl

	coreutils
	libdb4.7-dev    # Build-Depends: coreutils (>= 8.5)
	perl

=head2 backport libs/utilites

	quilt
	libxml2
	libxslt1.1     # vim debian/control and add ^^^ version of libxml2
	libxml-libxml-perl
	libxml-libxslt-perl
	
	# apache
	apr
	libdb4.8
	apr-util
	openssl
	apache2
	libapache2-mod-perl2
	libwww-perl
	libxml-sax-perl      # has a update-perl-sax-parsers script in debian/

=head2 dh-make-pm

	# not needed?  sudo apt-get install apt-file
	#              sudo apt-file update
	
	cd && mkdir src && cd src
	svn co svn://cvs.alioth.debian.org/svn/pkg-perl/trunk/dh-make-perl
	cd dh-make-perl
	wget http://github.com/jozef/Debian-Apt-PM/raw/master/patches/FromCPAN.pm.patch
	patch -p1 < FromCPAN.pm.patch
	perl Build.PL && ./Build test && sudo ./Build install

=head2 start building

=head3 build first

	Test::Simple
	Module::Build
	Module::CoreList

	# for Class::MOP
	Test::Output
	Test::LeakTrace
	SUPER
	
	# for Moose
	FileHandle::Fmode
	DBM::Deep
	
	# for Mouse
	Class::Method::Modifiers
	ExtUtils::ParseXS
	Test::Exception
	
	# for POE
	POE::Test::Loops

	# misc
	Test::Kwalitee
	Test::Portability::Files
	LWP

=head3 then mass build

	Tatsumaki
	Dancer
	Silki

=cut