fix: bogus detection of docker-compose arguments.

bin/compose

@@ -1909,13 +1909,12 @@ _setup_state_dir() {
 
 
 get_docker_compose_opts_list() {
-    local cache_file="$CACHEDIR/$FUNCNAME.cache.$(cat "$(which docker-compose)" | md5_compat)"
+    local action="$1" cache_file="$CACHEDIR/$FUNCNAME.cache.$(echo "$action"; cat "$(which docker-compose)" | md5_compat)"
     if [ -e "$cache_file" ]; then
-        # debug "$FUNCNAME: cache hit ($*)"
         cat "$cache_file"
         return 0
     fi
-    docker_compose_help_msg=$(docker-compose "$@" --help 2>/dev/null) || return 1
+    docker_compose_help_msg=$(docker-compose "$action" --help 2>/dev/null) || return 1
     echo "$docker_compose_help_msg" | grep '^Options:' -A 20000 |
         tail -n +2 |
         egrep "^\s+-" |
@@ -1927,14 +1926,16 @@ _MULTIOPTION_REGEX='^((-[a-zA-Z]|--[a-zA-Z0-9-]+)(, )?)+'
 _MULTIOPTION_REGEX_LINE_FILTER=$_MULTIOPTION_REGEX'(\s|=)'
 
 get_docker_compose_multi_opts_list() {
-    opts_list=$(get_docker_compose_opts_list "$@") || return 1
+    local action="$1" opts_list
+    opts_list=$(get_docker_compose_opts_list "$action") || return 1
     echo "$opts_list" | egrep "$_MULTIOPTION_REGEX_LINE_FILTER" |
         sed -r "s/^($_MULTIOPTION_REGEX)(\s|=).*$/\1/g" |
         tr ',' "\n" | xargs echo
 }
 
 get_docker_compose_single_opts_list() {
-    opts_list=$(get_docker_compose_opts_list "$@") || return 1
+    local action="$1" opts_list
+    opts_list=$(get_docker_compose_opts_list "$action") || return 1
     echo "$opts_list" | egrep -v "$_MULTIOPTION_REGEX_LINE_FILTER" |
         tr ',' "\n" | xargs echo
 }
@@ -2024,9 +2025,11 @@ while [ "$#" != 0 ]; do
                 *)
                     action="$1"
                     stage="action"
-
                     DC_MATCH_MULTI=$(get_docker_compose_multi_opts_list "$action") &&
-                    DC_MATCH_SINGLE="$(get_docker_compose_single_opts_list "$action") $(echo "$DC_MATCH_MULTI" | sed -r 's/( |$)/=\* /g')" &&
+                        DC_MATCH_SINGLE="$(get_docker_compose_single_opts_list "$action")"
+                    if [ "$DC_MATCH_MULTI" ]; then
+                        DC_MATCH_SINGLE="$DC_MATCH_SINGLE $(echo "$DC_MATCH_MULTI" | sed -r 's/( |$)/=\* /g')"
+                    fi
                     is_docker_compose_action=true
                     ;;
             esac
@@ -2039,10 +2042,10 @@ while [ "$#" != 0 ]; do
                     ;;
                 --*|-*)
                     if [ "$is_docker_compose_action" ]; then
-                        if str_matches "$1" DC_MATCH_MULTI; then
+                        if str_matches "$1" $DC_MATCH_MULTI; then
                             action_opts=("$1" "$2")
                             shift;
-                        elif str_matches "$1" DC_MATCH_SINGLE; then
+                        elif str_matches "$1" $DC_MATCH_SINGLE; then
                             action_opts=("$1")
                         else
                             err "Unknown option '$1'. Please check help."