From e4b856b67bed8a6d0c5685b935ba67549cddc056 Mon Sep 17 00:00:00 2001
From: cornfeedhobo <cornfeedhobo@fuzzlabs.org>
Date: Mon, 3 Aug 2020 17:41:21 -0500
Subject: [PATCH] use terraform to complete itself

---
 .../available/terraform.completion.bash       | 67 ++-----------------
 1 file changed, 6 insertions(+), 61 deletions(-)

diff --git a/completion/available/terraform.completion.bash b/completion/available/terraform.completion.bash
index 201b7267..1452fca8 100644
--- a/completion/available/terraform.completion.bash
+++ b/completion/available/terraform.completion.bash
@@ -1,65 +1,10 @@
 #!/usr/bin/env bash
-#
-# Bash completion for the terraform command
-#
-# Copyright (C) 2018 Vangelis Tasoulas
-# 
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-# 
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-_terraform()
-{
-	local cur prev words cword opts
-	_get_comp_words_by_ref -n : cur prev words cword
-	COMPREPLY=()
-	opts=""
+# Make sure terraform is installed
+_command_exists terraform || return
 
-	if [[ ${cword} -eq 1 ]] ; then
+# Don't handle completion if it's already managed
+complete -p terraform &>/dev/null && return
 
-		# Options that do not start with a hyphen, are always starting with four spaces.
-		opts="$(terraform --help | grep -E '^\s\s\s\s\S' | awk '{print $1}')"
-		opts="${opts} --help --version"
-
-	elif [[ ${cword} -gt 1 ]] ; then
-
-		if [[ ${cword} -eq 2 && ${prev} == '--help' ]] ; then
-
-			opts="$(terraform --help | grep -E '^\s\s\s\s\S' | awk '{print $1}')"
-
-		elif [[ ${words[1]} != "--help" && ${words[1]} != "--version" && ${words[1]} != "version" ]] ; then
-
-			# Some commands accept hyphened parameters, ...
-			opts="$(terraform --help "${words[1]}" | grep -E '^\s+-' | awk '{print $1}' | awk -F '=' '{ if ($0 ~ /=/) {print $1"="} else {print $1} }')"
-			# but some other commands accept non-hyphened parameters.
-			opts="${opts} $(terraform --help "${words[1]}" | grep -E '^\s\s\s\s\S' | awk '{print $1}')"
-			# All of the commands accept the --help parameter which is not listed
-			# by the 'terraform --help <command>
-			opts="${opts} --help"
-
-		fi
-	fi
-
-	COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
-
-	if [[ ${#COMPREPLY[*]} -eq 1 ]] ; then
-		if [[ ${COMPREPLY[0]} == *= ]] ; then
-			# When only one completion is left, check if there is an equal sign.
-			# If an equal sign, then add no space after the autocompleted word.
-			compopt -o nospace
-		fi
-	fi
-	return 0
-}
-
-complete -F _terraform terraform
+# Terraform completes itself
+complete -C terraform terraform