Attempt to unbork interactive breakage

See #204.

abra

@@ -1846,10 +1846,12 @@ sub_app_run(){
     RUN_USER="-u $abra___user"
   fi
 
+  local -a ARGS="${ARGS:-""}"
+
   if [ "$abra___no_tty" = "true" ]; then
-    ARGS="-i"
+    ARGS+=" -i"
   else
-    ARGS="-it"
+    ARGS+=" -it"
   fi
 
   CONTAINER=$(docker container ls --format "table {{.ID}},{{.Names}}" \
@@ -1862,11 +1864,15 @@ sub_app_run(){
 
   debug "Using container ID ${CONTAINER}"
 
-  # 3wc: we want the "splitting" that shellcheck warns us about, so that -u and
-  # $RUN_USER aren't treated as a single argument:
+  # shellcheck disable=SC2145
+  debug "Running command: docker exec $RUN_USER $ARGS $CONTAINER $@"
+
   # shellcheck disable=SC2086
   docker exec $RUN_USER $ARGS "$CONTAINER" "$@"
 
+  # shellcheck disable=SC2181
+  if [[ $? != 0 ]]; then exit 1; fi
+
   return
 }