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

inherited, #initialize, #latest_step, #needs!, #parseopts!, #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/. Doesn't\n" +
  "overwrite steps/ unless forced."
end

.usage ⇒ Object 



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# File 'lib/snaptoken/commands/undiff.rb', line 11

def self.usage
  "[-f] [-q]"
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/snaptoken/commands/undiff.rb', line 25

def run
  needs! :config, :diff

  FileUtils.cd(@config[:path]) do
    if @opts[:force]
      FileUtils.rm_rf("steps")
    else
      needs! not: :steps_folder
    end

    FileUtils.mkdir("steps")
    FileUtils.cd("steps") do
      File.open("../steps.diff", "r") do |f|
        step_num = 0
        step = Snaptoken::Step.new(0, nil, [])
        prev_step = nil
        cur_diff = nil
        while line = f.gets
          if line =~ /^~~~ step: ([\s\w-]+)$/
            if cur_diff
              apply_diff(step, cur_diff)
              cur_diff = nil
            end

            prev_step = step
            step = Snaptoken::Step.from_commit_msg(prev_step.number + 1, $1)

            print "\r\e[K[steps.diff -> steps/] #{step.folder_name}" unless @opts[:quiet]

            if step.number == 1
              FileUtils.mkdir(step.folder_name)
            else
              FileUtils.cp_r(prev_step.folder_name, step.folder_name)
            end
          elsif line =~ /^diff --git/
            apply_diff(step, cur_diff) if cur_diff
            cur_diff = line
          elsif cur_diff
            cur_diff << line
          end
        end
        apply_diff(step, cur_diff) if cur_diff
        print "\n" unless @opts[:quiet]
      end
    end
  end
end

#setopts!(o) ⇒ Object 



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# File 'lib/snaptoken/commands/undiff.rb', line 15

def setopts!(o)
  o.on("-f", "--force", "Overwrite steps/ folder") do |f|
    @opts[:force] = f
  end

  o.on("-q", "--quiet", "Don't output progress") do |q|
    @opts[:quiet] = q
  end
end