Module: FileHelper

Included in:
FileManager
Defined in:
lib/file_helper.rb

Instance Method Summary collapse

Instance Method Details

#compare(commit, file_name, lines, context = nil, diff = nil) ⇒ Object 



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# File 'lib/file_helper.rb', line 23

def compare(commit, file_name, lines, context=nil, diff=nil)
  if diff.nil?
    Loggr.instance.info("COMPARE COMMIT: #{commit.id}")
  else
    Loggr.instance.info("COMPARE fdiff: #{fdiff_stat(diff)}")
  end

  real_file = `git show #{commit.id}:#{file_name}`
    .encode("UTF-8", invalid: :replace)
    .lines
    .map(&:chomp)

  return if real_file.length == 0
  if real_file.length != lines.length && diff.nil?
    puts "FILE SIZE MISMATCH:"
    puts "REAL: #{real_file.length}"
    puts "RECONSTRUCT: #{lines.length}"
    byebug
    1
  end

  lines
    .each_with_index
    .map do |line, line_number|
      if real_file[line_number] != line.gsub(/\r$/, "")
        puts "MISMATCH: #{commit.id}:#{file_name}"
        puts "REAL:"
        print_context(real_file, line_number)
        puts "RECONSTRUCT"
        print_context(lines, line_number)
        byebug
        1
      end
    end
end

#fdiff_stat(diff) ⇒ Object 



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# File 'lib/file_helper.rb', line 6

def fdiff_stat(diff)
  "@@ -#{diff.delete_start},#{diff.delete_count} +#{diff.insert_start},#{diff.insert_count} @@"
end

#print_context(lines, from, to = nil) ⇒ Object 



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# File 'lib/file_helper.rb', line 10

def print_context(lines, from, to=nil)
  if to.nil?
    to = from + 3
    from -= 4
  end
  (from...to).each do |i|
    line = lines[i]
    line = "nil" if line.nil?
    puts "#{i + 1}: #{line}"
  end
  nil
end