pre-push-prevent-master

#!/usr/bin/env ruby
 
local_ref, local_sha1, remote_ref, remote_sha1 = STDIN.read.split(" ")
 
if remote_ref == "refs/heads/master"
  puts "Pushing to origin/master is not permitted."
  puts "This is a read-only branch."
  puts ""
  puts "Create a new branch instead."
 
  exit 1
end