Run 'rake spec' for all the versions of ruby installed using rbenv

rake-spec-all

#!/bin/bash

for path in `rbenv root`"/versions/"*; do
  if [ -d "$path" ] && [ ! -h "$path" ]; then
    export RBENV_VERSION="${path##*/}"
    echo "=== Running 'rake spec' for $RBENV_VERSION ==="
    rm -f Gemfile.lock
    rbenv exec bundle install --local
    rbenv exec rake spec
    echo && echo
  fi
done