fix: [vps] improve detection of ``compose.yml`` path

bin/vps

@@ -79,9 +79,8 @@ compose:get-compose-yml() {
     :cache: scope=session
 
     local path
-    [ -e "/etc/compose/local.conf" ] && . "/etc/compose/local.conf"
 
-    path=${DEFAULT_COMPOSE_FILE:-/etc/compose/compose.yml}
+    path=$(DEBUG=1 DRY_RUN=1 compose 2>&1 | egrep '^\s+-e HOST_COMPOSE_YML_FILE=' | cut -f 2- -d "=" | cut -f 1 -d " ")
 
     [ -e "$path" ] || return 1
     echo "$path"
@@ -99,7 +98,12 @@ compose:has-container-project-myc() {
 
 compose:file:value-change() {
     local key="$1" value="$2"
-    yaml:file:value-change "$(compose:get-compose-yml)" "$key" "$value" || exit 1
+    local compose_yml
+    if ! compose_yml=$(compose:get-compose-yml); then
+        err "Couldn't locate your 'compose.yml' file."
+        return 1
+    fi
+    yaml:file:value-change "$compose_yml" "$key" "$value" || return 1
 }
 export -f compose:file:value-change