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Building with gem2deb

Note: Always verify the command has finished successfully and make sure there is no error before proceeding to next command.

Setup your environment

Add the following variables in your ~/.bashrc file. DEBEMAIL and DEBFULLNAME variables are used by debian tools to set your name and email.

export DEBEMAIL=your@email.domain
export DEBFULLNAME='Your Name'
alias lintian='lintian -iIEcv --pedantic --color auto'
alias git-import-dsc='git-import-dsc --author-is-committer --pristine-tar'
alias clean='fakeroot debian/rules clean'

Note: You can also use debclean command instead of setting alias for clean.

and update your current environment by running

$ source ~/.bashrc

Build the package

First you need install gem2deb

apt-get install gem2deb

Create a build directory and go there

mkdir -p ~/build/rails-6 && cd $_

and then clone the ruby-bootsnap repository

git clone
cd ruby-bootsnap

We need three branches: upstream, pristine-tar, and master.

git checkout upstream
git checkout pristine-tar
git checkout master

Once that is done build the package with

dpkg-buildpackage -us -uc

-us means do not sign the package, and -uc means do not sign the .changes file.

When it has finished check for lintian errors:


If you get errors, you have to correct them. Then run dpkg-buildpackage again and test with lintian again.

Error case 1: Unmet build dependencies

If you get errors with Unmet build dependencies, install them and run dpkg-buildpackage again.

apt install rake-compiler rubocop ruby-mocha ruby-msgpack

Error case 2: dpkg-source: error: can't build with source format ...

Try origtarz and run dpkg-buildpackage again.