pair authoring script for git

pair

#!/usr/bin/env ruby

require "yaml"
info = File.open( "#{ENV["HOME"]}/.git_authoring.yml" ) { |yf| YAML::load( yf ) }
PAIR_EMAIL = info['email']

AUTHORS = info['authors']

unless File.exists?(".git")
  puts "This doesn't look like a git repository."
  exit 1
end

if ARGV.all?{ |arg| AUTHORS.has_key?(arg) }
  authors = ARGV.map{ |arg| AUTHORS[arg] }
else 
  puts "Couldn't find author name for initials: #{initials}"
  exit 1
end

if authors.any?
  if authors.size == 1
    user_name = authors.first
  else
    user_name = authors[0..-2].join(", ") + " e " + authors.last
  end

  `git config user.name '#{user_name}'`
  `git config user.email '#{PAIR_EMAIL}'`

  puts "user.name = #{user_name}"
  puts "user.email = #{PAIR_EMAIL}"
else
  `git config --unset user.name`
  `git config --unset user.email`

  puts "Unset user.name and user.email"
end