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Pbuilder

	What is pbuilder, what it can do
	Projects around pbuilder
	How to evolve Debian through pbuilder
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What pbuilder can do
What pbuilder is/can do
	building Debian package in clean-room environment
	allows proliferation of Debian source building lab environment 
	simplify chroot management, allows multi-distribution targets
		Easier creation of backport repository
		Specify --othermirror for your local apt repos
	pbuilder create; pbuilder update; pbuilder build *.dsc; pdebuild
	sanity checking on package build
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Projects with pbuilder
Projects with pbuilder
	Checking packages build from source
		pbuildd (Daniel Joshua Priem)
	Building package without "experimental" dependencies for unstable
	Building package for stable distributions
	Automatic testing of packages
		hook mechanism
		pbuilder execute 
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Evolving Debian with pbuilder
Evolving Debian with pbuilder
	automatic testsuite for build, tracking regressions
		uploaded packages are automatically checked against pbuilder?
		pbuilder upload queues
		dput/dupload hooks to run pbuilder
		a standard "debian/rules test" target for running "make check"
	semi-automated backporting
	"pbuilder excecute" script for reproducible bugreports
	Anything else?

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Questions
Questions
	Questions time

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extra slides
extra slides
	Extra slides just in case

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Problems with pbuilder
Problems with pbuilder
	Costly implementation of Clean-room with tar/gz
	Lousy build-depends checker that doesn't accept all possible cases
		it kinda works, motivation is low.
	/etc/init.d/xxx is not really handled
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pbuilder-uml
pbuilder-uml
	User-mode-linux version of pbuilder implementation
	Sometimes faster to run due to COW filesystem
	Different process space from host
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Running pbuilder faster
Running pbuilder faster
	cp -la and variations
	Run pbuilder on tmpfs
		If everyone has 4GB RAM
	UML with SKAS
		COW filesystem
		solves limitation with pbuilder
	Disk image snapshots
		LVM

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Testing with pbuilder 
Testing with pbuilder 
	"pbuilder execute"
		install Every Single Debian Package "apt-get install"
		pbuilder excecute execute_installtest.sh packagename
	"pbuildd"
		pbuilder build *.dsc on every single package in Debian
	Tarball of report available in www.netfort.gr.jp/~dancer/software/failed-log