groutes - a Rails routes grep helper

groutes

#!/bin/bash
# 
# Add to your local ~/bin/ and search. Caches the `rake routes` command
# so it doesn't have to run again if config/routes hasn't changed.
#

if [ ! -f Rakefile -o ! -f config/routes.rb ]; then
  echo "groutes will only work in rails project directories :("
  exit 1
fi

if [ ! -f .rails_routes~ ]; then
  echo "generate routes because cache doesn't exist"
  bundle exec rake routes > .rails_routes~
fi

if [ ! -f .rails_routes_rb~ ]; then
  echo "regenerate routes because config/routes.rb is newer than cache"
  cp config/routes.rb .rails_routes_rb~
  bundle exec rake routes > .rails_routes~
else
  diff -q config/routes.rb .rails_routes_rb~
  diff_status=$?

  if [ "$diff_status" -ne 0 ]; then
    echo "regenerate routes because config/routes.rb doesn't match previous version"
    cp config/routes.rb .rails_routes_rb~
    bundle exec rake routes > .rails_routes~
  fi
fi