Class: Freezer

Inherits:
Object
  • Object
show all
Defined in:
lib/frozen_gems/freezer.rb

Instance Method Summary collapse

Constructor Details

#initialize(gemfile_path) ⇒ Freezer

Returns a new instance of Freezer.



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# File 'lib/frozen_gems/freezer.rb', line 4

def initialize(gemfile_path)
  @gemfile_path = gemfile_path
  @tmpfile_path = tmpfile_path
end

Instance Method Details

#cp_gemfile ⇒ Object 



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# File 'lib/frozen_gems/freezer.rb', line 38

def cp_gemfile
  return unless gemfile?
  FileUtils.cp(@gemfile_path, @tmpfile_path)
end

#overwrite ⇒ Object 



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# File 'lib/frozen_gems/freezer.rb', line 15

def overwrite
  return unless gemfile? && tmpfile?
  gemfile = File.open(@gemfile_path)
  tmpfile = File.open(@tmpfile_path, 'w')
  regex = /^\s*gem ['"]([-\w]+)['"](,.*)?/
  gems_hash = Parser.new(@gemfile_path).unfrozen_gems_hash

  gemfile.each do |line|
    name = line.scan(regex).flatten.first
    if !name.nil? && !gems_hash[name].nil?
      line.chomp! << ", '#{gems_hash[name]}'\n"
    end
    tmpfile.write(line)
  end

  gemfile.close
  tmpfile.close
end

#overwrite_gemfile ⇒ Object 



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# File 'lib/frozen_gems/freezer.rb', line 9

def overwrite_gemfile
  cp_gemfile
  overwrite
  replace_gemfile
end

#replace_gemfile ⇒ Object 



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# File 'lib/frozen_gems/freezer.rb', line 43

def replace_gemfile
  if gemfile? && tmpfile?
    FileUtils.rm_f(@gemfile_path)
    FileUtils.mv(@tmpfile_path, @gemfile_path)
  end
end

#tmpfile_path ⇒ Object 



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# File 'lib/frozen_gems/freezer.rb', line 34

def tmpfile_path
  File.join(File.dirname(@gemfile_path), TMPFILE)
end