How to have your patch included in Ubuntu

Today I submitted a patch to wpa-supplicant package in Ubuntu (LP: #994739) and I learnt the process of pushing your changes to Launchpad and ask for them to be reviewed and merged. Ubuntu has a great documentation on how to fix bugs in this Wiki and packaging guide, just for future reference here are the steps I followed.

If you don’t have them, get the ubuntu-dev-tools, and bazar VCS:

$ sudo apt-get install bzr ubuntu-dev-tools
$ bzr whoami \"Your Name <you@example.org>\"
$ bzr launchpad-login poliva

Then get the source of the package you want to fix, and apply your patch:

$ bzr branch lp:ubuntu/precise/wpasupplicant
$ cd wpasupplicant
$ patch -p1 < /path/to/your.patch

Prepare to build the ubuntu package:

$ dpkg-source --commit
$ dpkg-buildpackage -us -uc

In case dpkg-buildpackage complains about no upstream tarball found, you can obtain the .orig.tar.gz file with apt-get source and copy it to the base folder of your work.

$ apt-get source wpasupplicant

Finally, update the debian changelog and commit the change locally:

$ dch -i
$ bzr commit

If all looks good, you can push the fix to launchpad and propose merging it into the official package:

bzr push lp:~<your-launchpad-id>/ubuntu/<release>/<package>/<branchname>
bzr lp-open

The last command will open the Launchpad page of the remote branch in your browser. There click on the "(+) Propose for merging" link, to get the change reviewed by somebody and included in Ubuntu.

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