gistfile1.txt

#!/bin/bash

set -e

if [ $# -gt 0 ]; then # we have args
    filename=$1
    (set +e; grep -r 'spec_helper' $filename) > /dev/null
    if [ $? -eq 1 ]; then # no match; we have a stand-alone spec
        standalone_spec=1
    fi
else # we have no args
    filename='spec'
fi

command='rspec'

if [ ! $standalone_spec ]; then
    command="ruby -S bundle exec $command"
fi

RAILS_ENV=test $command $filename