Quick scripts to help me grade hw 05 for the "Programming Ruby" course -- http://2013.fmi.ruby.bg/tasks/5

check_for_late_commits.rb

require 'time'

task_ends_at = '2014-01-22 17:30:00 +200'

late_commits_unix_timestamp = Time.parse(task_ends_at).utc.to_i

def commit_timestamp_of(commit_line)
  commit_line.split(/\s+/).first.to_i
end

def commit_sha_of(commit_line)
  commit_line.split(/  /)[1]
end

Dir["#{Dir.pwd}/*"].each do |path|
  next unless File.directory?(path) and File.exist?("#{path}/.git/config")

  folder = File.basename path
  print "Checking #{folder}... "

  Dir.chdir path
  commits = `git log --pretty=format:'%ct (%ci)  %h  %an - %s' origin/master`.lines.reverse

  is_late_commit = -> commit { commit_timestamp_of(commit) > late_commits_unix_timestamp }

  late_commits = commits.select(&is_late_commit)

  if late_commits.empty?
    puts "OK"
  else
    last_good_commit = commits.reject(&is_late_commit).last
    puts "LATE:"
    late_commits.each do |commit|
      puts "  #{commit}"
    end
    puts "  Moving to last good commit: #{last_good_commit}"
    system "git checkout #{commit_sha_of last_good_commit}"
  end
end

check_skeptic_and_tests.rb

verbose = ARGV.include? 'verbose'

Dir["#{Dir.pwd}/*"].each do |path|
  next unless File.directory?(path) and File.exist?("#{path}/.git/config")

  folder = File.basename path
  print "Checking #{folder}... "

  Dir.chdir path

  checks_output = `rake check`

  if $?.exitstatus == 0
    puts 'OK'
  else
    puts 'FAILED'
    puts checks_output if verbose
  end
end

checkout_all.rb

Dir['*.rb'].each do |solution_file|
  next unless solution_file =~ /\b(x?\d+).rb$/
  target_folder = $1

  fork do
    require_relative solution_file

    if !Object.const_defined?('REPOSITORY')
      puts "Missing constant REPOSITORY for #{solution_file}"
    elsif File.exist?("#{target_folder}/.git/config")
      puts "Skipping #{target_folder} as it seems to exist. Repo is: #{REPOSITORY}"
    else
      system "git clone '#{REPOSITORY}' '#{target_folder}'"
    end
  end

  Process.waitall
end