Class: Bundle::Locker::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/bundle-locker.rb

Instance Method Summary collapse

Constructor Details

#initialize(gemfile_name) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/bundle-locker.rb', line 6

def initialize(gemfile_name)
  @gemfile_name = gemfile_name
  @gemfile_lock = Bundler::LockfileParser.new(File.read("#{@gemfile_name}.lock"))
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/bundle-locker.rb', line 11

def call
  gem_dictionary = {}
  File.readlines(@gemfile_name).each do |line|
    if /\A(\s*gem\s+['"])([^'"]+)(['"])/ =~ line
      prefix = $1
      gem_name = $2
      suffix = $3
      gem_dictionary[gem_name] = {prefix: prefix, original: line, suffix: suffix, gem_name: gem_name}
    end
  end

  @gemfile_lock.specs.each do |spec|
    if gem_dictionary[spec.name]
      gem_dictionary[spec.name][:locked_version] = spec.version.to_s
      gem_dictionary[spec.name][:source] = spec.source.to_s
    end
  end
  contents = File.read(@gemfile_name)
  File.open(@gemfile_name, 'w+') do |file|
    gem_dictionary.each do |key, dictionary|
      if dictionary[:locked_version]
        replacement = "#{dictionary[:prefix]}#{dictionary[:gem_name]}#{dictionary[:suffix]}, "
        if dictionary[:source] =~ /git/
          replacement << ":git => '#{dictionary[:source].sub(/\s.*\Z/,'')}'\n"
        else
          replacement << "'#{dictionary[:locked_version]}'\n"
        end
        contents.gsub!(dictionary[:original], replacement)
      end
    end
    file.puts contents
  end
end