#!/usr/bin/fish

for techline in (ls /opt/techs | fzf --layout reverse)
    set tech (echo $techline | string split -f 1 - )
    set ver (echo $techline | string split -f 2 - )

    test -e /srv/bin/active_$tech && unlink /srv/bin/active_$tech

    set primary_tech (readlink /srv/bin/primary_tech | string split -f 4 / | string split -f 1 "-")
    if test $primary_tech = $tech
        set_color -b red
        echo "Technology $tech is already activated as primary tech, you can't activate it as secondary."
        set_color normal
        continue
    end

    set_color yellow
    echo "Activating $tech-$ver"
    set_color normal
    ln -s /opt/techs/$tech-$ver/bin /srv/bin/active_$tech
    set_color green
    echo "Done."
    set_color normal
end