Rakefile

def git_clean?
  git_state = `git status 2> /dev/null | tail -n1`
  clean = (git_state =~ /working directory clean/)
end

task :check_git do
  unless git_clean?
    puts "Dirty repo - commit or discard your changes and run deploy again"
    exit 1
  end
end

desc "Deploy to remote origin"
task :deploy => [:check_git] do
  source_branch = 'source-design-merge'
  deploy_branch = 'gh-pages'
  message = "Site updated at #{Time.now.utc}"

  puts "...git pull origin  \"#{source_branch}\""
  system "git pull origin  \"#{source_branch}\""
  puts "...update plot schema"
  system "python ./get_plotschema.py && git add _data/plotschema.json && git commit -m \"Updated plotschema at #{Time.now.utc}\" && git push origin \"#{source_branch}\""
  puts "...generate _site"
  system "jekyll build --verbose && git checkout \"#{deploy_branch}\" && git pull origin \"#{deploy_branch}\" && cp -r _site/* . && rm -rf _site/ && touch .nojekyll && git add . && git commit -m \"#{message}\" && git push origin \"#{deploy_branch}\""
  puts "...git checkout \"#{source_branch}\""
  system "git checkout \"#{source_branch}\""
  system "osascript -e 'display notification \"rake deploy just finished\" with title \"Docs are ready!\"'"
end