From 2f448d542d451999e6595bf641f0291f1048f437 Mon Sep 17 00:00:00 2001
From: Jephte Clain <Jephte.Clain@univ-reunion.fr>
Date: Sat, 29 Jul 2017 23:02:39 +0400
Subject: [PATCH] =?UTF-8?q?ussh:=20probl=C3=A8mes=20de=20compatibilit?=
 =?UTF-8?q?=C3=A9?=
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---
 ussh | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/ussh b/ussh
index 104706f..de2b92c 100755
--- a/ussh
+++ b/ussh
@@ -343,15 +343,18 @@ function __update_sshopts_cm() {
         version="$(ssh -V 2>&1)"
         version="${version#OpenSSH_}"; major="${version%%.*}"
         minor="${version#$major.}"; minor="${minor:0:1}"
-        if [ $major -ge 6 ]; then
+        if [ -z "$major" ]; then
+            # ne devrait pas se produire... mais au cas où
+            persist=
+        elif [ "$major" -ge 6 ]; then
             persist="$DEFAULT_PERSIST"
-        elif [ $major -eq 5 ]; then
+        elif [ "$major" -eq 5 ]; then
             if [ "$minor" -ge 6 ]; then
                 persist="$DEFAULT_PERSIST"
             else
                 persist=
             fi
-        elif [ $major -le 4 ]; then
+        elif [ "$major" -le 4 ]; then
             persist=
         fi
     fi
@@ -383,7 +386,10 @@ function show_vars() {
 function do_ssh() {
     local -a sshopts
     local onehost r
-    if [ "${#hosts[*]}" -gt 1 ]; then
+    if [ $# -eq 0 ]; then
+        ${exec:+exec} "$SSH" "${SSHOPTS[@]}"
+        return
+    elif [ "${#hosts[*]}" -gt 1 ]; then
         onehost=
         exec=
     else
@@ -447,7 +453,7 @@ if [ -n "$remove" ]; then
     hosts=("$1"); shift
     fix_hosts
     remove_keys
-else
+elif [ -n "$1" ]; then
     hosts=("$1"); shift
     fix_hosts
 fi