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module MRuby
module LoadGems
def gem(gemdir, &block)
caller_dir = File.expand_path(File.dirname(/^(.*?):\d/.match(caller.first).to_a[1]))
if gemdir.is_a?(Hash)
gemdir = load_external_gem(gemdir)
else
gemdir = File.expand_path(gemdir, caller_dir)
end
gemrake = File.join(gemdir, "mrbgem.rake")
fail "Can't find #{gemrake}" unless File.exists?(gemrake)
Gem.current = nil
load gemrake
return nil unless Gem.current
Gem.current.dir = gemdir
Gem.current.build = MRuby::Build.current
Gem.current.build_config_initializer = block
gems << Gem.current
Gem.current
end
def load_external_gem(params)
if params[:github]
params[:git] = "https://github.com/#{params[:github]}.git"
elsif params[:bitbucket]
params[:git] = "https://bitbucket.org/#{params[:bitbucket]}.git"
end
if params[:git]
url = params[:git]
gemdir = "build/mrbgems/#{url.match(/([-_\w]+)(\.[-_\w]+|)$/).to_a[1]}"
return gemdir if File.exists?(gemdir)
options = [params[:options]] || []
options << "--branch \"#{params[:branch]}\"" if params[:branch]
FileUtils.mkdir_p "build/mrbgems"
git.run_clone gemdir, url, options
gemdir
else
fail "unknown gem option #{params}"
end
end
def enable_gems?
!@gems.empty?
end
end # LoadGems
end # MRuby
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