#!/usr/bin/env bash
#
# Loads the system's Bash completion modules.
# If Homebrew is installed (OS X), it's Bash completion modules are loaded.

if shopt -qo nounset
then # Bash-completion is too large and complex to expect to handle unbound variables throughout the whole codebase.
	__bash_it_restore_nounset=true
	shopt -uo nounset
else
	__bash_it_restore_nounset=false
fi

if [[ -r "${BASH_COMPLETION:-}" ]] ; then
  # shellcheck disable=SC1091
	source "${BASH_COMPLETION}"

elif [[ -r /etc/bash_completion ]] ; then
  # shellcheck disable=SC1091
  source /etc/bash_completion

# Some distribution makes use of a profile.d script to import completion.
elif [[ -r /etc/profile.d/bash_completion.sh ]] ; then
  # shellcheck disable=SC1091
  source /etc/profile.d/bash_completion.sh

elif _bash_it_homebrew_check
then
  : ${BASH_COMPLETION_COMPAT_DIR:=$BASH_IT_HOMEBREW_PREFIX/etc/bash_completion.d}

  case "${BASH_VERSION}" in
  1*|2*|3.0*|3.1*)
    _log_warning "Cannot load completion due to version of shell."
    ;;
  3.2*|4.0*|4.1*)
    # Import version 1.x of bash-completion, if installed.
    BASH_COMPLETION="$BASH_IT_HOMEBREW_PREFIX/opt/bash-completion@1/etc/bash_completion"
    if [[ -r "$BASH_COMPLETION" ]] ; then
      # shellcheck disable=SC1090
      source "$BASH_COMPLETION"
    else
      unset BASH_COMPLETION
    fi
    ;;
  4.2*|5*|*)
    # homebrew/versions/bash-completion2 (required for projects.completion.bash) is installed to this path
    if [[ -r "$BASH_IT_HOMEBREW_PREFIX"/etc/profile.d/bash_completion.sh ]] ; then
      # shellcheck disable=SC1090
      source "$BASH_IT_HOMEBREW_PREFIX"/etc/profile.d/bash_completion.sh
    fi
    ;;
  esac
fi

if $__bash_it_restore_nounset
then
	shopt -so nounset
fi
unset __bash_it_restore_nounset