Rename variables in bash completion

The old names were supposed to designate variables that get propagated
to the Docker daemon. This is not true for all contained options and
therefore confused me.
The new names focus on the placement after the top level command.

Signed-off-by: Harald Albers <github@albersweb.de>

contrib/completion/bash/docker-compose

@@ -18,7 +18,7 @@
 
 
 __docker_compose_q() {
-	docker-compose 2>/dev/null "${daemon_options[@]}" "$@"
+	docker-compose 2>/dev/null "${top_level_options[@]}" "$@"
 }
 
 # Transforms a multiline list of strings into a single line string
@@ -164,14 +164,14 @@ _docker_compose_docker_compose() {
 			_filedir -d
 			return
 			;;
-		$(__docker_compose_to_extglob "$daemon_options_with_args") )
+		$(__docker_compose_to_extglob "$top_level_options_with_args") )
 			return
 			;;
 	esac
 
 	case "$cur" in
 		-*)
-			COMPREPLY=( $( compgen -W "$daemon_boolean_options  $daemon_options_with_args --help -h --verbose --version -v" -- "$cur" ) )
+			COMPREPLY=( $( compgen -W "$top_level_boolean_options  $top_level_options_with_args --help -h --verbose --version -v" -- "$cur" ) )
 			;;
 		*)
 			COMPREPLY=( $( compgen -W "${commands[*]}" -- "$cur" ) )
@@ -550,12 +550,12 @@ _docker_compose() {
 
 	# options for the docker daemon that have to be passed to secondary calls to
 	# docker-compose executed by this script
-	local daemon_boolean_options="
+	local top_level_boolean_options="
 		--skip-hostname-check
 		--tls
 		--tlsverify
 	"
-	local daemon_options_with_args="
+	local top_level_options_with_args="
 		--file -f
 		--host -H
 		--project-directory
@@ -572,19 +572,19 @@ _docker_compose() {
 	# search subcommand and invoke its handler.
 	# special treatment of some top-level options
 	local command='docker_compose'
-	local daemon_options=()
+	local top_level_options=()
 	local counter=1
 
 	while [ $counter -lt $cword ]; do
 		case "${words[$counter]}" in
-			$(__docker_compose_to_extglob "$daemon_boolean_options") )
+			$(__docker_compose_to_extglob "$top_level_boolean_options") )
 				local opt=${words[counter]}
-				daemon_options+=($opt)
+				top_level_options+=($opt)
 				;;
-			$(__docker_compose_to_extglob "$daemon_options_with_args") )
+			$(__docker_compose_to_extglob "$top_level_options_with_args") )
 				local opt=${words[counter]}
 				local arg=${words[++counter]}
-				daemon_options+=($opt $arg)
+				top_level_options+=($opt $arg)
 				;;
 			-*)
 				;;