bring to compliance: invoke.completion

Author: seefood

completion/available/invoke.completion.bash

@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 # Invoke (pyinvoke.org) tab-completion script to be sourced with Bash shell.
 
 # Copyright (c) 2020 Jeff Forcier.
@@ -26,13 +27,13 @@
 # https://github.com/pyinvoke/invoke/blob/master/completion/bash
 
 _complete_invoke() {
-	local candidates
+	local candidates line
 
 	# COMP_WORDS contains the entire command string up til now (including
 	# program name).
 	# We hand it to Invoke so it can figure out the current context: spit back
 	# core options, task names, the current task's options, or some combo.
-	candidates=$(invoke --complete -- ${COMP_WORDS[*]})
+	candidates=$(invoke --complete -- "${COMP_WORDS[@]}")
 
 	# `compgen -W` takes list of valid options & a partial word & spits back
 	# possible matches. Necessary for any partial word completions (vs
@@ -43,7 +44,7 @@ _complete_invoke() {
 	# our candidate list which actually matches.
 	#
 	# COMPREPLY is the list of valid completions handed back to `complete`.
-	COMPREPLY=($(compgen -W "${candidates}" -- $2))
+	while IFS='' read -r line; do COMPREPLY+=("$line"); done < <(compgen -W "${candidates}" -- "$2")
 }
 
 # Tell shell builtin to use the above for completing 'inv'/'invoke':