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# File 'app/models/change.rb', line 19
def chunked_diff
return nil unless has_diff?
return @chunked_diff if @chunked_diff
@differ ||= DiffChunkBuilder.new
diff.split("\n").each do |line|
c = line[0,1]
line_text = line[1, line.length - 1]
if '+' == c then
@differ.push_addition line_text
elsif '-' == c then
@differ.push_deletion line_text
elsif ' ' == c then
@differ.push_unchanged line_text
elsif '@' == c then
md = line_text.match(/-(\d+)[^\+]*\+(\d+)/)
@differ.start_line(md[1].to_i, md[2].to_i)
end
end
@chunked_diff = @differ.get_chunks
end
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