use return not exit to avoid ending an ssh session

all/app/awscli

@@ -1,5 +1,5 @@
 #!/bin/bash
-command -v docker >/dev/null 2>&1 || exit
+command -v docker >/dev/null 2>&1 || return
 
 aws_docker () {
 local cred

all/app/bashly

@@ -1,4 +1,4 @@
-command -v docker >/dev/null 2>&1 || exit
+command -v docker >/dev/null 2>&1 || return
 
 alias bashly='docker run --rm -it --volume "$PWD:/app" dannyben/bashly'
 alias bashly-update='docker pull dannyben/bashly:latest'