Class: Bundler::Diff::Tool

Inherits:
Object
  • Object
show all
Defined in:
lib/bundler/diff/tool.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#a_dir ⇒ Object

Returns the value of attribute a_dir.



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# File 'lib/bundler/diff/tool.rb', line 6

def a_dir
  @a_dir
end

#a_output_dir ⇒ Object

Returns the value of attribute a_output_dir.



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# File 'lib/bundler/diff/tool.rb', line 7

def a_output_dir
  @a_output_dir
end

#b_dir ⇒ Object

Returns the value of attribute b_dir.



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# File 'lib/bundler/diff/tool.rb', line 9

def b_dir
  @b_dir
end

#b_output_dir ⇒ Object

Returns the value of attribute b_output_dir.



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# File 'lib/bundler/diff/tool.rb', line 10

def b_output_dir
  @b_output_dir
end

Class Method Details

.diff(a_spec, b_spec) ⇒ Object 



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# File 'lib/bundler/diff/tool.rb', line 12

def self.diff(a_spec, b_spec)
  tool = new
  tool.a_dir = Pathname(a_spec.gem_dir)
  tool.a_output_dir = Pathname(a_spec.full_name)
  tool.b_dir = Pathname(b_spec.gem_dir)
  tool.b_output_dir = Pathname(b_spec.full_name)
  tool.diff_entries
end

Instance Method Details

#diff(a_path, b_path) ⇒ Object 



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# File 'lib/bundler/diff/tool.rb', line 33

def diff(a_path, b_path)
  null = '/dev/null'

  command = ['diff -u']

  command_for_output = ['diff']

  if a_path
    command.concat [a_dir.join(a_path), '--label', Pathname('a').join(a_path)]
    command_for_output << a_output_dir.join(a_path)
  else
    command << null
    command_for_output << null
  end

  if b_path
    command.concat [b_dir.join(b_path), '--label', Pathname('b').join(b_path)]
    command_for_output << b_output_dir.join(b_path)
  else
    command << null
    command_for_output << null
  end

  output = `#{command.join(' ')}`

  return if output.empty?

  puts command_for_output.join(' ')
  puts output
end

#diff_entries ⇒ Object 



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# File 'lib/bundler/diff/tool.rb', line 21

def diff_entries
  a_files = file_list(a_dir)
  b_files = file_list(b_dir)

  (a_files + b_files).uniq.sort.each do |path|
    a_path = a_files.include?(path) ? path : nil
    b_path = b_files.include?(path) ? path : nil

    diff(a_path, b_path)
  end
end