Class: Versionate::Versioner

Inherits:
Object
  • Object
show all
Defined in:
lib/versionate/versioner.rb

Constant Summary collapse

GEM_REGEXP = 
/^\s*gem ['"](?<name>.+?)['"](?<extra>,.+$?)?/

Instance Method Summary collapse

Instance Method Details

#gem_and_only_gem_from_line(line) ⇒ Object 



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# File 'lib/versionate/versioner.rb', line 42

def gem_and_only_gem_from_line(line)
  match = line.match GEM_REGEXP
  return nil unless match
  return nil if match[:extra]

  match[:name]
end

#latest_version_for(gem_name) ⇒ Object 



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# File 'lib/versionate/versioner.rb', line 13

def latest_version_for(gem_name)
  provider.info(gem_name.to_sym)["version"]
end

#process(filename) ⇒ Object 



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# File 'lib/versionate/versioner.rb', line 17

def process(filename)
  orig_file = File.open(filename)
  tmp = StringIO.new
    
  orig_file.each do |line|
    gem_name = gem_and_only_gem_from_line line

    if gem_name
      version = latest_version_for gem_name
      tmp.puts "#{line.chomp}, '#{version}'"
    else
      tmp.puts line
    end
  end

  orig_file.close

  tmp.rewind
  result = tmp.read

  tmp.close

  result
end

#versionate(filename) ⇒ Object 



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# File 'lib/versionate/versioner.rb', line 5

def versionate(filename)
  result = process filename

  File.open filename, "w" do |file|
    file.write result
  end
end