+ local -a ROS_DISTROS
+ ROS_DISTROS=("hydro" "indigo" "jade")
+
+ local distro=$1
+ if [[ -z "$distro" ]]; then
+ for d in "${ROS_DISTROS[@]}"; do
+ [[ -f "/opt/ros/$d/setup.zsh" ]] && distro=$d
+ done
+ fi
+ if [[ -f "/opt/ros/$distro/setup.zsh" ]]; then
+ export ROS_DISTRO=$distro