How do I copy a file from a gem to my rails application using rake
Question
I have a gem with a default configuration YAML file, some_config.yml. I want to create a rake task to copy that file into the config/ directory of my rails application. How can I achieve this?
La solution
If we assume the target gem is in your Gemfile and you want to include the Rake task in your Rails Rakefile, then you could try something like:
namespace :config do
# desc "Copy the config"
task :copy do
source = File.join(Gem.loaded_specs["myGem"].full_gem_path, "config", "config.yml")
target = File.join(Rails.root, "config", "myGemConfig.yml")
FileUtils.cp_r source, target
end
end
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