Merge pull request #33 from dokku/lg-fix-export-over-ssh

Fix export when using `ssh -t`

commands

@@ -111,7 +111,9 @@ case "$1" in
     SERVICE_NAME="$(get_service_name "$SERVICE")"
     PASSWORD="$(cat "$SERVICE_ROOT/PASSWORD")"
 
+    [[ -n $SSH_TTY ]] && stty -opost
     docker exec "$SERVICE_NAME" bash -c "DIR=\$(mktemp -d) && mongodump -d $SERVICE -o=\"\$DIR\" -u \"$SERVICE\" -p \"$PASSWORD\" --authenticationDatabase \"$SERVICE\" && tar cf - -C \"\$DIR\" . && rm -rf \"\$DIR\""
+    [[ -n $SSH_TTY ]] && stty opost
     ;;
 
   $PLUGIN_COMMAND_PREFIX:import)