branch_terminator.rb

#!/usr/bin/env ruby

File.readlines(ARGV[0]).each do |line|
  branch = line.split(/\s/).first
  puts "current branch:"
  puts branch
  puts `git log #{branch} --pretty=fuller -1`
  puts "delete? Y/n"

  res = $stdin.gets.chomp.downcase
  next unless ['y', ''].include?(res)

  puts "DELETE DAT BRANCH: #{branch}"
  puts `git branch -D #{branch}`
  puts `git push origin :#{branch}`
end