cat_removes_branch.rb

# coding: utf-8

require 'readline'

branches = `git branch -r`
branches = branches.split(/\n/).map {|b| b.strip }
branches.shift
branches.delete_if {|branch| branch == 'origin/master' }

candidates = %w[check log grep open delete tag skip exit]
candidates += branches

Readline.completion_proc = lambda {|word|
  candidates.grep(%r|\A(origin/)?#{Regexp.quote(word)}|)
}

def git(cmd, *args)
  system 'git', cmd, *args
end

total_count = branches.size

branches.shuffle.each_with_index do |branch, idx|
  branch_name = branch.gsub(%r|origin/|, '')
  cmd = ''
  loop do
    puts 'INSPECT: [c]heck,  [l]og, [g]rep, [o]pen'
    puts ' MANAGE: [d]elete, [t]ag, [s]kip, [e]xit'
    puts
    puts "[#{branch}]"
    puts "Do you want? (%d/%d)" % [idx+1, total_count]
    cmd = Readline.readline('> ', true)
    case cmd
    when /\A!/
      script = cmd.gsub(/\A!\s*/, '')
      system script
    when /\Ad/
      yes_or_no = Readline.readline('Are you sure? [yN]: ')
      if /\Ay/ =~ yes_or_no
        git 'push', 'origin', ":#{branch_name}"
        git 'branch', '-D', branch_name
        break
      end
    when /\Ao/
      # open github page
    when /\Al/
      git 'log', branch
    when /\Ac/
      git 'log', 'master', '--grep', branch_name
    when /\As/
      puts "skipping #{branch}..."
      break
    when /\Ae/
      puts 'bye'
      exit
    when /\Ag/
      _, keyword = cmd.split(/\s/, 2)
      git 'log', 'master', '--grep', keyword
    when /\At/
      _, name = cmd.split(/\s/)
      name = branch_name if name.nil?
      git 'tag', name, branch
      git 'push', 'origin', name
    end
    puts
  end
  puts
end

puts 'bye'