Git update script

error recieved.

reading remote list...
reading branch list...
./update_repository:41:in `block in get_branches': undefined method `strip' for nil:NilClass (NoMethodError)
	from ./update_repository:39:in `each'
	from ./update_repository:39:in `get_branches'
	from ./update_repository:69:in `<main>'

update_repository.rb

#!/bin/env ruby
# update.sh
# This script updates all branches to remote hosts.

#~ puts "Reading branch list..."

#~ list = %x( git branch).strip.split(/\n/).each do
		#~ |b|
		#~ b.gsub!("* ", "")
	#~ end
#~ puts "Current branches are: "
#~ list.each do
	#~ |b|
	#~ puts b.strip
#~ end

#~ puts "Updating github repository"

#~ list.each do 
	#~ |b|
	#~ puts "Now updating #{b.strip} branch."
	#~ %x(git push github #{b.strip})
	#~ puts "Finished updating #{b.strip} branch."
#~ end

#~ puts "Updating bitbucket repository"

#~ list.each do 
	#~ |b|
	#~ puts "Now updating #{b.strip} branch."
	#~ %x(git push bitbucket #{b.strip})
	#~ puts "Finished updating #{b.strip} branch."
#~ end

#~ puts "All branches on all repositories have been updated."
#~ puts "Enjoy your git repository"

def get_branches
	branches = %x( git branch).split(/\n/).each do
		|b|
		b.gsub("* ", "").strip
	end
	branches
end

def get_remotes
	remotes = %x( git branch).strip.split(/\n/)
end

def update_repository(remotes, branches)
	@remotes, @branches = remotes, branches
	@remotes.each do
		|remote|
		puts "Now updating all branches on #{remote} server."
		counter = @branches.count
		@branches.each do
			|branch|
			puts "Now updating #{branch.strip} branch."
			%x(git push #{remote} #{branch.strip})
			puts "Finished updating #{branch.strip} branch."
		end
		puts "Finished updating all branches on #{remote} server."
	end
end

puts "reading remote list..."
remotes = get_remotes
puts "reading branch list..."
branches = get_branches
puts "Updating repositories..."
update_repository(remotes, branches)