Module: SneakPeek

Defined in:
lib/sneak_peek.rb,
lib/sneak_peek/version.rb

Defined Under Namespace

Modules: Utils

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.show_readme(gem_name:) ⇒ Object 



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# File 'lib/sneak_peek.rb', line 14

def self.show_readme(gem_name:)
  tmp_dir = Dir.mktmpdir
  begin
    FileUtils.chdir tmp_dir
    `gem fetch #{gem_name}`
    gem_file = Dir["*.gem"].first
    if !gem_file
      puts "Can't find a gem with the name `#{gem_name}`"
      exit 1
    end
    `gem unpack #{gem_file}`
    gem_directory = Dir["*"].find do |file|
      File.directory?(file)
    end
    gem_files = Dir["#{gem_directory}/*"]
    readme_file = gem_files.find do |file|
      file.downcase.match /readme/
    end
    if !readme_file
      puts "Can't find a readme."
      puts "This is the content of the gem:\n\t\n- #{gem_files.join("\n\t- ")}"
      exit 1
    end
    puts File.read(readme_file)
  ensure
    FileUtils.remove_entry tmp_dir
  end
end