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January 2011

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[opensuse-ruby] gem2rpm: split off subpackages to reduce rubygem-*.rpm size
by Martin Vidner 10 Jan '11

10 Jan '11

Hi, I, Pepa and Flavio were looking at a way to save space in our appliances. A major waste of disk space is the way we build gems into rpms: any rubygem-*.rpm includes the generated RDoc and RI documentation, averaging over a HALF of the rpm size. Furthemore, tests amount to another half of the rest. For example, rubygem-activerecord-2_3-2.3.8 is 12MB on disk, of which 6MB is one example sql file(!) and the actual library is 900KB, the rest being test cases. We propose to split off these parts to *-doc and *-testsuite subpackages, by enhancing the gem2rpm (opensuse) template. Another savings possibility is to completely remove the original gem file kept in the cache directory, arguing that if people install it via RPM, they are used to having the package on a remote repo only (or cached by libzypp). (Not implemented yet) Attached is a patch against opensuse.spec.template from rubygem-gem2rpm-0.6.0-13.2.i586.rpm (which BTW differs from SVN HEAD). We have tried it on one gem so far. Does it look good for sending upstream and for applying it across OBS (Factory, devel:languages:ruby:extensions)? It would be great for 11.4 (more space on DVD!!!) and for the appliances built in our department. -- Martin Vidner, YaST developer http://en.opensuse.org/User:Mvidner Kuracke oddeleni v restauraci je jako fekalni oddeleni v bazenu

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