(clear_local_git_env; cd "$sm_path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b")
}
+isnumber()
+{
+ n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
+}
+
#
# Add a new submodule to the working tree, .gitmodules and the index
#
for_status="$1"
;;
-n|--summary-limit)
- if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
- then
- :
- else
- usage
- fi
+ summary_limit="$2"
+ isnumber "$summary_limit" || usage
shift
;;
+ --summary-limit=*)
+ summary_limit="${1#--summary-limit=}"
+ isnumber "$summary_limit" || usage
+ ;;
--)
shift
break