Class: Machinery::FileDiff

Inherits:
Object show all
Defined in:
lib/file_diff.rb

Overview

Copyright © 2013-2016 SUSE LLC

This program is free software; you can redistribute it and/or modify it under the terms of version 3 of the GNU General Public License as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, contact SUSE LLC.

To contact SUSE about this file by physical or electronic mail, you may find current contact information at www.suse.com

Class Method Summary collapse

Class Method Details

.diff(description1, description2, scope, path) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/file_diff.rb', line 19

def self.diff(description1, description2, scope, path)
  return nil if !description1.scope_extracted?(scope) || !description2.scope_extracted?(scope)

  file1 = description1[scope].find { |f| f.name == path }
  file2 = description2[scope].find { |f| f.name == path }
  return nil if !file1 || !file2

  if file1.binary? || file2.binary?
    raise Machinery::Errors::BinaryDiffError, "Can't diff binary files"
  end

  Diffy::Diff.new(file1.content, file2.content, include_plus_and_minus_in_html: true)
end