function blue
    set_color blue; printf $argv; set_color normal
end
function normal
    set_color normal; printf $argv; set_color normal
end

function fish_cwd_prompt
    set -l cwd (pwd)
    test $cwd = $HOME && printf "~" || \
        printf "%s/%s" (basename (dirname $cwd)) (basename $cwd)
end

function fish_prompt
    if test -n "$GUIX_ENVIRONMENT"
        normal "(env "; blue "%s" (basename $GUIX_ENVIRONMENT); normal ")"
        git branch &>/dev/null
        test $status -eq 0 && normal ":"
    end 
    test $status && fish_git_prompt | sed 's/ //' 
    test $status || test -n "$GUIX_ENVIRONMENT" && printf '\n'

    switch "$fish_key_bindings" 
        case fish_vi_key_bindings fish_hybrid_key_bindings
            test $fish_bind_mode = 'default' && normal ':' || normal '+'
    end

    blue (whoami); normal ' at '; blue (prompt_hostname)
                   normal ' in '; blue (fish_cwd_prompt)
    normal ' > '
end

function fish_default_mode_prompt -d "Display vi prompt mode"
    # Do nothing
end