Class: Snaptoken::Commands::Undiff

Inherits:
BaseCommand show all
Defined in:
lib/snaptoken/commands/undiff.rb

Constant Summary

Constants inherited from BaseCommand

BaseCommand::ERROR_MSG

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseCommand

#current_or_latest_step, #current_step, inherited, #initialize, #latest_step, #needs!, #select_step, #step_name, #step_path, #steps

Constructor Details

This class inherits a constructor from Snaptoken::Commands::BaseCommand

Class Method Details

.name ⇒ Object 



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# File 'lib/snaptoken/commands/undiff.rb', line 2

def self.name
  "undiff"
end

.summary ⇒ Object 



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# File 'lib/snaptoken/commands/undiff.rb', line 6

def self.summary
  "Convert steps.diff to steps folder"
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/snaptoken/commands/undiff.rb', line 10

def run
  needs! :config, :diff, not: :steps_folder

  FileUtils.cd(@config[:path]) do
    FileUtils.mkdir("steps")
    FileUtils.cd("steps") do
      File.open("../steps.diff", "r") do |f|
        step_num = 0
        step_dir = nil
        prev_dir = nil
        cur_diff = nil
        while line = f.gets
          if line =~ /^~~~ step(: \w+(-\w+)*)?$/
            if cur_diff
              apply_diff(step_dir, cur_diff)
              cur_diff = nil
            end

            step_num += 1
            step_dir = step_num.to_s
            step_dir += "-#{$1[2..-1]}" if $1
            if step_num == 1
              FileUtils.mkdir(step_dir)
            else
              FileUtils.cp_r(prev_dir, step_dir)
            end
            prev_dir = step_dir
          elsif line =~ /^diff --git/
            apply_diff(step_dir, cur_diff) if cur_diff
            cur_diff = line
          elsif cur_diff
            cur_diff << line
          end
        end
        apply_diff(step_dir, cur_diff) if cur_diff
      end
    end
  end
end