54 lines
1.1 KiB
Ruby
54 lines
1.1 KiB
Ruby
require 'rubygems/command'
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require 'rubygems/builder'
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class Gem::Commands::BuildCommand < Gem::Command
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def initialize
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super('build', 'Build a gem from a gemspec')
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end
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def arguments # :nodoc:
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"GEMSPEC_FILE gemspec file name to build a gem for"
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end
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def usage # :nodoc:
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"#{program_name} GEMSPEC_FILE"
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end
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def execute
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gemspec = get_one_gem_name
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if File.exist?(gemspec)
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specs = load_gemspecs(gemspec)
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specs.each do |spec|
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Gem::Builder.new(spec).build
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end
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else
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alert_error "Gemspec file not found: #{gemspec}"
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end
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end
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def load_gemspecs(filename)
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if yaml?(filename)
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result = []
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open(filename) do |f|
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begin
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while not f.eof? and spec = Gem::Specification.from_yaml(f)
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result << spec
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end
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rescue Gem::EndOfYAMLException => e
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# OK
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end
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end
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else
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result = [Gem::Specification.load(filename)]
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end
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result
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end
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def yaml?(filename)
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line = open(filename) { |f| line = f.gets }
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result = line =~ %r{!ruby/object:Gem::Specification}
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result
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end
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end
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