afssh: add safeguard against empty or non-running ssh-agent

1 files changed, 5 insertions, 0 deletions

diff --git a/afssh b/afssh
index 84b8545..609e61f 100755
--- a/afssh
+++ b/afssh
@@ -31,6 +31,11 @@ usage () {
 	exit
 }
 
+if ! ssh-add -l > /dev/null; then
+	echo "no keys in your ssh-agent or ssh-agent not running" >&2
+	exit 1
+fi
+
 declare -a agent_filter_args
 
 if [ -x "${BASH_SOURCE%/*}/ssh-agent-filter" ]; then