Bug#221675: better and simpler patch for this bug

[Adeodato Simó <asp16@alu.ua.es>]

retitle 221675 ssh-copy-id should check ssh-add -L exit status
tag 221675 patch
thanks

  hi, the attached patch prevents ssh-add -L output being used if the
  command exits with non-zero status.

  cheers,

-- 
Adeodato Simó
    EM: asp16 [ykwim] alu.ua.es | PK: DA6AE621
 
There may be no I in TEAM, but a M and an E.

--- ssh-copy-id.old	2004-05-29 00:30:08.000000000 +0200
+++ ssh-copy-id	2004-07-12 03:46:40.000000000 +0200
@@ -19,7 +19,7 @@
     shift         # and this should leave $1 as the target name
   fi
 else
-  if [ x$SSH_AUTH_SOCK != x ] ; then
+  if [ x$SSH_AUTH_SOCK != x ] && ssh-add -L >/dev/null 2>&1; then
     GET_ID="$GET_ID ssh-add -L"
   fi
 fi