PYENV_PIP_REHASH_ROOT="${BASH_SOURCE[0]%/*}/pip-rehash"
PYENV_REHASH_COMMAND="${PYENV_COMMAND##*/}"

# Remove any version information, from e.g. "pip2" or "pip3.4".
if [[ $PYENV_REHASH_COMMAND =~ ^(pip|easy_install)[23](\.\d)?$ ]]; then
  PYENV_REHASH_COMMAND="${BASH_REMATCH[1]}"
fi

for (( i=1; i<$#; i++ )); do
  next=$((i+1))
  if [[ ${!i} == "-m" && ${!next} == "pip" ]]; then
    PYENV_REHASH_COMMAND="pip"
    break
  fi
done

if [ -x "${PYENV_PIP_REHASH_ROOT}/${PYENV_REHASH_COMMAND}" ]; then
  PYENV_COMMAND_PATH="${PYENV_PIP_REHASH_ROOT}/${PYENV_REHASH_COMMAND##*/}"
  PYENV_BIN_PATH="${PYENV_PIP_REHASH_ROOT}"
  export PYENV_REHASH_REAL_COMMAND="${PYENV_COMMAND##*/}"
fi