From 7d4c385492cad29e600a7feea1f0f3cda345869b Mon Sep 17 00:00:00 2001
From: Jephte Clain <Jephte.Clain@univ-reunion.fr>
Date: Wed, 20 Aug 2025 13:22:10 +0400
Subject: [PATCH] afficher correctement une option facultative

---
 bash/src/base.args.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/bash/src/base.args.sh b/bash/src/base.args.sh
index 43e63ae..c70cfa8 100644
--- a/bash/src/base.args.sh
+++ b/bash/src/base.args.sh
@@ -184,7 +184,7 @@ function __nulib_args_parse_args() {
         *) die "Invalid arg definition: expected option, got '$1'" || return;;
         esac
         # est-ce que l'option prend un argument?
-        local __def __longdef __witharg __valdesc
+        local __def __longdef __witharg __valdesc __defvaldesc
         __witharg=
         for __def in "${__defs[@]}"; do
             if [ "${__def%::*}" != "$__def" ]; then
@@ -346,16 +346,19 @@ $prefix$usage"
             fi
             # est-ce que l'option prend un argument?
             __witharg=
-            __valdesc=value
+            __valdesc=
+            __defvaldesc=value
             for __def in "${__defs[@]}"; do
                 if [ "${__def%::*}" != "$__def" ]; then
                     [ "$__witharg" != : ] && __witharg=::
                     [ -n "${__def#*::}" ] && __valdesc="[${__def#*::}]"
+                    __defvaldesc="[value]"
                 elif [ "${__def%:*}" != "$__def" ]; then
                     __witharg=:
                     [ -n "${__def#*:}" ] && __valdesc="${__def#*:}"
                 fi
             done
+            [ -n "$__valdesc" ] || __valdesc="$__defvaldesc"
             # description de l'option
             local first=1 thelp tdesc
             for __def in "${__defs[@]}"; do