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$ sudo apt-get install bzr-builddeb

$ bzr clone lp:~lidaobing/ibus/ibus-hangul

$ cd ibus-hangul
$ uscan --force-download

$ bzr merge-upstream ../ibus-hangul-1.3.1.tar.gz --version 1.3.1
$ bzr commit

$ bzr log -n0 | less

$ debuild -i.bzr
$ debc
$ sudo debi

$ dch

$ debuild -i.bzr -S -sa

$ cd ..
$ sudo pbuilder build ibus-hangul_1.3.1-1.dsc

$ bzr tag debian-1.3.1-1
$ bzr push lp:~lidaobing/ibus/ibus-hangul