class Gitup

# File lib/gitup.rb, line 61
def self.current_branch
 current = ''
 branches = `git branch`.split("\n")
 branches.each do |branch|
   if (branch[0, 2] == '* ')
     current = branch.gsub('* ', '').strip
   end
 end
 current
end

# File lib/gitup.rb, line 73
def self.everything_commited?
  `git ls-files --deleted --modified --others --exclude-standard` == ""
end

# File lib/gitup.rb, line 3
def self.gitdown!
  
  if on_master?
    puts "You are on the master branch. Gitdown is intended to be used in local branches."
    puts "git checkout -b yournewbranch to create a new local branch"
    puts "or git checkout yourexistingbranch to checkout an existing one."
    system "git pull origin master"
    exit
  end
  
  unless everything_commited?
    system "git status"
    puts "You have uncommitted changes in #{current_branch}. Do you want to try gitdown anyway? (y/n)"
    input = gets.chomp
    
    if input.downcase == 'y'
      system "git stash"
      run_gitdown_commands(current_branch)
      system "git stash apply"
    else
      puts "Ok... coward."
      exit
    end
    
  else
    run_gitdown_commands(current_branch)
  end
  puts "Finished."
  exit
end

# File lib/gitup.rb, line 34
def self.gitup!
  
  unless everything_commited?
    system "git status"
    puts "Warning: You have uncommitted changes. Continue? (y/n)"
    input = gets.chomp
    
    if input.downcase == 'y'
      # Stash the changes, do the push and then apply our stash
      system "git stash"
      self.run_gitup_commands(current_branch)      
      system "git stash apply"
    else
      puts 'Good girl.'
      exit
    end
  else
    # Push it!
    self.run_gitup_commands(current_branch)      
    exit
  end
end

# File lib/gitup.rb, line 57
def self.on_master?
  current_branch == 'master'
end

# File lib/gitup.rb, line 92
def self.run_gitdown_commands(branch)
  puts "Branch: #{branch}"
  system "git checkout master"
  system "git pull origin master"
  system "git checkout #{branch}"
  system "git rebase master"
end

# File lib/gitup.rb, line 77
def self.run_gitup_commands(branch)
  puts "Branch: #{branch}"
  unless branch == 'master'
    system "git checkout master"
    system "git merge #{branch}"
  end
  system "git push origin master"
  unless branch == 'master'
    system "git checkout #{branch}"
    system "git rebase master"
  else
    puts "You should really consider doing development locally in a branch that is not the master branch."
  end
end