branchmate.rb

#!/usr/bin/env ruby
# branchmate
# opens whichever files you've modified in this git branch compared to master
target = ARGV[0] || 'master'

p (cmd = "git diff #{target} --name-only")

files = `#{cmd}`.split.reject {|f| f =~ /^vendor/}
puts files.join("\n")

if files.length > 10
  puts "\nReally open all #{files.length} files? [y/N]"
  exit unless $stdin.gets =~ /^[Yy]/
end

`mate .`
files.each {|file| system("mate #{file}")}