From: Bryan Richardson <btrichardson@...>
Date: 2011-01-06T13:36:40+09:00
Subject: Execute Ruby code after Gem is installed

Hello All,

I'm creating a Ruby gem that utilizes the ruby_protobuf gem to generate
Ruby code using a protocol descriptor file (protocol.proto) in Google
Protobuf's format. Given this, my gem has a dependency for the
ruby_protobuf gem, and I'd like to use rprotoc (provided by
ruby_protobuf) to compile the protocol.proto file in my gem with
whatever version of ruby_protobuf is or gets installed when my gem is
installed.

Can Gem.post_install hooks be used in this case, or should I use the
extensions attribute of a gemspec file to identify code to be executed
after my gem is installed?

If post_install hooks can be used, where should the hooks be defined?

If the extensions attribute can be used, can a .rb file added to the
extensions attribute simply contain random Ruby code, or does it have to
be extconf.rb-style Ruby code in it?

--
Thanks!
Bryan

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