Shell functions that always remember to type `./bin/rails` when you type `rails`

try-binstubs-first.sh

# Tries to find a parent directory containing a file: "$1"
find-up() {
  local path=$(pwd)
  while [[ -n "$path" && ! -e "$path/$1" ]]; do
    path=${path%/*}
  done
  echo "$path"
}

try-binstub() {
  local cmd="$1";
  shift;

  local rails_dir="$(find-up Gemfile)"

  if [[ -n "$rails_dir" && -x "$rails_dir/bin/$cmd" ]]; then
    "$rails_dir/bin/$cmd" "$@"
  else
    command "$cmd" "$@"
  fi
}

rails() {
  try-binstub "rails" "$@"
}

rspec() {
  try-binstub "rspec" "$@"
}

rake() {
  try-binstub "rake" "$@"
}