railscheck.rb

## Gem Upgrade check
#
# Check your github repos for out of date gems
#
# usage: $ USERNAME=yourusername PASSWORD=yourpassword GEM=gemname VERSIONS=1.1,1.2,1.3 ruby railscheck.rb
# or
# usage: $ USERNAME=yourusername PASSWORD=yourpassword ORG=yourorgname GEM=gemname VERSIONS=1.1,1.2,1.3 ruby railscheck.rb
#
# n.b requires the octokit gem
 
require 'rubygems'
require 'octokit'
 
USERNAME = ENV['USERNAME']
PASSWORD = ENV['PASSWORD']
GEM_NAME = ENV['GEM']
VERSIONS = ENV['VERSIONS'].split(',') # safe versions, comma seperated
ORG =      ENV['ORG']
REGEX = / #{GEM_NAME} \((\d.+)\)/

client = Octokit::Client.new(:login => USERNAME, :password => PASSWORD, :auto_traversal => true)

if !ORG.nil?
  repos = client.org_repos(ORG)
else
  repos = client.repos
end
 
need_updating = []
up_to_date = []
repos.each do |repo|
  puts ''
  puts repo.full_name
  begin
    gemlock = client.contents(repo.full_name, :path => 'Gemfile.lock')
 
    gemlock_content = Base64.decode64(gemlock.content)
 
    match = gemlock_content.match(REGEX)
 
    if match
      puts "  #{match[1]}"
      # TODO should major & minor versions
      # e.g rack 
      update = VERSIONS.include?(match[1])
      if update
        up_to_date << [repo.full_name, match[1]]
      else
        need_updating << [repo.full_name, match[1]]
      end
    else
      puts "  #{GEM} not found in Gemfile"
    end
  rescue
    puts "  No Gemfile.lock"
  end
end
 
unless need_updating.length.zero?
  puts ''
  puts '*'*20
  puts ''
  puts "Repos that need updating:"
  puts ''
  need_updating.sort!
  need_updating.each do |r|
    puts "  #{r[0]} - #{r[1]}"
  end
  puts ''
end