Rakefile

require "reduce"

desc "Delete _site/"
task :delete do
  puts "\## Deleting _site/"
  status = system("rm -r _site")
  puts status ? "Success" : "Failed"
end

desc "Preview _site/"
task :preview do
  puts "\n## Opening _site/ in browser"
  status = system("open http://0.0.0.0:4000/")
  puts status ? "Success" : "Failed"
end

# Courtesy of https://github.com/pacbard/blog/blob/master/_rake/minify.rake
desc "Minify _site/"
task :minify do
  puts "\n## Compressing static assets"
  original = 0.0
  compressed = 0
  Dir.glob("_site/**/*.*") do |file|
    case File.extname(file)
      when ".css", ".gif", ".html", ".jpg", ".jpeg", ".js", ".png", ".xml"
        puts "Processing: #{file}"
        original += File.size(file).to_f
        min = Reduce.reduce(file)
        File.open(file, "w") do |f|
          f.write(min)
        end
        compressed += File.size(file)
      else
        puts "Skipping: #{file}"
      end
  end
  puts "Total compression %0.2f%%" % (((original-compressed)/original)*100)
end

desc "Recompile Sass"
task :recompile_sass do
  puts "\n## Forcing Sass to recompile"
  status = system("touch -m assets/scss/styles.scss")
  puts status ? "Success" : "Failed"
end

namespace :build do
  desc "Build _site/ for development"
  task :dev => :recompile_sass do
    puts "\n##  Starting Sass and Jekyll"
    pids = [
      spawn("bundle exec jekyll serve")
    ]

    trap "INT" do
      Process.kill "INT", *pids
      exit 1
    end

    loop do
      sleep 1
    end
  end

  desc "Build _site/ for production"
  task :pro => :recompile_sass do
    puts "\n## Building Jekyll to _site/"
    status = system("bundle exec jekyll build")
    puts status ? "Success" : "Failed"
    Rake::Task["minify"].invoke
  end
end

desc "Commit _site/"
task :commit do
  puts "\n## Staging modified files"
  status = system("git add _site")
  puts status ? "Success" : "Failed"
  puts "\n## Committing a site build at #{Time.now.utc}"
  message = "Build site at #{Time.now.utc}"
  status = system("git commit -m \"#{message}\"")
  puts status ? "Success" : "Failed"
  puts "\n## Pushing commits to remote"
  status = system("git push origin gh-pages")
  puts status ? "Success" : "Failed"
end

desc "Deploy _site/ to master branch"
task :deploy do
  puts "\n## Deleting master branch"
  status = system("git branch -D master")
  puts status ? "Success" : "Failed"
  puts "\n## Creating new master branch and switching to it"
  status = system("git checkout -b master")
  puts status ? "Success" : "Failed"
  puts "\n## Forcing the _site subdirectory to be project root"
  status = system("git filter-branch --subdirectory-filter _site/ -f")
  puts status ? "Success" : "Failed"
  puts "\n## Switching back to source branch"
  status = system("git checkout gh-pages")
  puts status ? "Success" : "Failed"
  puts "\n## Pushing all branches to origin"
  status = system("git push --all origin")
  puts status ? "Success" : "Failed"
end

desc "Commit and deploy _site/"
task :commit_deploy => [:commit, :deploy] do
end