git-track.rb

#! /usr/bin/env ruby
# A quick little ruby script to run in the shell to have your existing
# local branch track a remote branch
# Ex: git-track add origin master
#     git-track remove origin master

if ARGV.empty? or ARGV.length < 3
  puts "USAGE: git-track [add|remove] <remote-name> <branch-name>\n\n"
  exit
end

`git sh-setup require_work_tree`

case ARGV[0]
when 'add'
  `git config --add branch.#{ARGV[2]}.remote #{ARGV[1]}`
  `git config --add branch.#{ARGV[2]}.merge refs/heads/#{ARGV[2]}`
when 'remove'
  `git config --unset branch.#{ARGV[2]}.remote`
  `git config --unset branch.#{ARGV[2]}.merge`
end