Debian Ruby Team Packaging Conventions
- Naming format of libruby-* is deprecated
- Underscores are replaced by hyphens
- Binary packages
If the software is a library (it is often included in other programs, rather than being used as an executable), a ruby- prefix is added. Example: ruby-flowdock. If the gem name already contains the word ruby, it is removed in favour of the ruby- prefix. Example: ruby_parser becomes ruby-parser and messagebus_ruby_api becomes ruby-messagebus-api
If the software is a Ruby application (being executed), no ruby- prefix is added. Example: gitlab
- Source packages should have same name as main primary package
- The files inside debian subdirectory are put under the same license of the gem.
Single package policy
Since Wheezy, Ruby software must not come in separate packages per Ruby interpreter version, as we did until Squeeze (libfoo-ruby1.8, libfoo-ruby1.9.1 etc). We use a single binary package per source package no matter what. In the case of native extensions, those single binary packages will contain the compiled extensions (*.so) for all supported Ruby versions. This is supported by gem2deb, so you should use it.
Ruby applications should use /usr/bin/ruby, and depend on ruby | ruby-interpreter.
gem2deb currently does the following:
If the XS-Ruby-Versions field contains 'all', all shebangs of programs installed to /usr/bin are rewritten to /usr/bin/ruby
If several versions of the interpreter were supported by gem2deb (as it was the case for Wheezy), all shebangs of programs installed to /usr/bin would be rewritten to the binary corresponding to the first version listed in XS-Ruby-Versions. For example, is XS-Ruby-Versions is ruby2.1, ruby2.2, all shebangs would be rewritten to /usr/bin/ruby2.1
Values of XS-Ruby-Versions
The XS-Ruby-Versions values match the name of the ruby interpreter, or all if the package is supposed to work with every supported version of the interpreter.
For Wheezy, supported values were:
For Jessie, only one version of the interpreter is included. The valid values are:
For Stretch, only one version of the interpreter will be included. The valid values are:
- ruby2.2 (temporary in unstable)
When more ruby interpreters will be added, the list will be expanded.