$ apt-get source mariadb-galera-server

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Picking 'mariadb-5.5' as source package instead of 'mariadb-galera-server'

NOTICE: 'mariadb-5.5' packaging is maintained in the 'Bzr' version control system at:

bzr://lp:maria

Please use:

bzr branch bzr://lp:maria

to retrieve the latest (possibly unreleased) updates to the package.

Need to get 44.6 MB of source archives.

Get:1 http://mirror.aarnet.edu.au/pub/MariaDB/repo/5.5/ubuntu/ precise/main mariadb-5.5 5.5.38+maria-1~precise (dsc) [2,035 B]

Get:2 http://mirror.aarnet.edu.au/pub/MariaDB/repo/5.5/ubuntu/ precise/main mariadb-5.5 5.5.38+maria-1~precise (tar) [44.6 MB]

Fetched 44.6 MB in 40s (1,097 kB/s)         

dpkg-source: warning: extracting unsigned source package (mariadb-5.5_5.5.38+maria-1~precise.dsc)

dpkg-source: info: extracting mariadb-5.5 in mariadb-5.5-5.5.38+maria

dpkg-source: info: unpacking mariadb-5.5_5.5.38+maria-1~precise.tar.gz

$ fgrep -r wsrep mariadb-5.5-5.5.38+maria 

$