From 6227bb591a96343f29a27d36573e1a23a1d0e86e Mon Sep 17 00:00:00 2001
From: Axel Burri <axel@tty0.ch>
Date: Sun, 18 Aug 2019 13:49:37 +0200
Subject: [PATCH] ssh_filter_btrbk.sh: return exit status 255 on error

This makes btrbk regard ssh_filter_btrbk errors as ssh errors, as ssh
also returns exit status 255 if an error occurred.
---
 ssh_filter_btrbk.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ssh_filter_btrbk.sh b/ssh_filter_btrbk.sh
index 640f8d8..19d6b5d 100755
--- a/ssh_filter_btrbk.sh
+++ b/ssh_filter_btrbk.sh
@@ -40,7 +40,7 @@ reject_and_die()
     local reason=$1
     log_cmd "auth.err" "btrbk REJECT" "$reason"
     echo "ERROR: ssh_filter_btrbk.sh: ssh command rejected: $reason: $SSH_ORIGINAL_COMMAND" 1>&2
-    exit 1
+    exit 255
 }
 
 run_cmd()
@@ -154,7 +154,7 @@ while [[ "$#" -ge 1 ]]; do
 
       *)
           echo "ERROR: ssh_filter_btrbk.sh: failed to parse command line option: $key" 1>&2
-          exit 1
+          exit 255
           ;;
     esac
     shift