git-shelve-to

   1 #!/usr/bin/env ruby
   2
   3 #this will shelve your current changes to a new branch
   4 require 'optparse'
   5
   6
   7
   8 class ShelveTo
   9   attr_accessor :options
  10   attr_accessor :destination_branch
  11
  12   def initialize
  13     options = {}
  14     branch = OptionParser.new do |opts|
  15               opts.on("-v", "--[no-]verbose", "Verbose output (echo individual git commands)") do |v|
  16                 options[:verbose] = v
  17               end
  18     end.parse!
  19     self.options = {:verbose => false}.merge options
  20     self.destination_branch = branch.join('-')
  21   end
  22
  23   def run
  24     previous_branch = current_branch
  25     git("git checkout #{"-b" unless branch_exists?(destination_branch)} #{destination_branch}") &&
  26     git("git add .") &&
  27     git("git ci -a -m 'SHELVE SHELVE SHELVE'") &&
  28     git("git checkout #{previous_branch}")
  29   end
  30
  31
  32   private
  33   def current_branch
  34     output = get('git branch')
  35     output.match(/^\* (.+)$/)[1]
  36   end
  37
  38   def branch_exists?(branch)
  39     output = get('git branch')
  40     !output.match("^(\\*| ) #{branch}$").nil?
  41   end
  42
  43   def git(cmd)
  44     puts cmd if options[:verbose]
  45     system cmd
  46   end
  47
  48   def get(cmd)
  49     puts cmd if options[:verbose]
  50     `#{cmd}`
  51   end
  52 end
  53
  54 ShelveTo.new.run