zsh-config/lazy-ros2.zsh

# Lazy-load ros2 stuff

(( ${+ZSH_ROS2_ROOT} )) || return

# Define as a function so it can be overridden for speed
function zsh-load-ros2() {
    source "${ZSH_ROS2_ROOT}/setup.zsh"
}

local defined=()

local file
for file in "${ZSH_ROS2_ROOT}/bin/"*; do
    local base="${file:t}"
    hash -- "${base}" 2>/dev/null && continue
    defined+=("${base}")
done

local undef_args=() def
for def in ${defined}; do
    undef_args+=("${(q)def}")
done

local exec
for exec in ${defined}; do
    eval "
    function \${(q)exec} {
        printf 'Setting up ros2 with \"%s\"...\n\n' \\
            \"\${(q)ZSH_ROS2_ROOT%/}/setup.zsh\"
        unfunction ${undef_args}
        zsh-load-ros2 ||
            { echo 'Failed to load ros2 libraries!'; return }
        (( \${#} == 0 )) && ${(q)exec} || ${(q)exec} \"\${@}\"
    }"
done

unset exec def file defined undef_args