Module: Bundler::Diff::CLI

Extended by:
CLI
Included in:
CLI
Defined in:
lib/bundler/diff/cli.rb

Instance Method Summary collapse

Instance Method Details

#run(args = ARGV) ⇒ Object



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# File 'lib/bundler/diff/cli.rb', line 11

def run(args=ARGV)
  Bundler.ui = Bundler::UI::Shell.new

  args = option_parser.parse(args) unless args.empty?

  gem_name = args.first

  error('gem name required') unless gem_name

  bundled_spec = bundled_specs[gem_name]

  error('gem spec not found') unless bundled_spec

  gem_dependency = Gem::Dependency.new(gem_name, options[:version])

  specs_and_sources, errors = Gem::SpecFetcher.fetcher.spec_for_dependency(gem_dependency)

  gem_spec, source = specs_and_sources.max_by { |s,| s.version }

  error('gem spec not found') if gem_spec.nil?

  installed_spec = Gem::Specification.find { |s| s.name == gem_spec.name && s.version == gem_spec.version }

  if installed_spec
    Bundler::Diff::Tool.diff(bundled_spec, installed_spec)

    return
  end

  Dir.mktmpdir do |tmp_dir|
    Dir.chdir(tmp_dir) { source.download(gem_spec) }

    unpack(gem_spec, tmp_dir)

    gem_spec.define_singleton_method(:gem_dir) { Pathname(tmp_dir).join(gem_spec.full_name) }

    Bundler::Diff::Tool.diff(bundled_spec, gem_spec)
  end
end