has() {
    command -V "$1" > /dev/null
}

source_if() {
    if [ -e "$1" ]; then
        source "$1"
    fi
}

path_if() {
    if [ -d "$1" ]; then
        case ":$PATH:" in
            *:"$1":*)
                ;;
            *)
                PATH="${1}${PATH:+:$PATH}"
        esac
    fi
}

source_if "${HOME}/.nix-profile/etc/profile.d/nix.sh"

if has brew; then
    source_if "$(brew --prefix asdf)/libexec/asdf.sh"
fi

path_if "$HOME/bin"
path_if "$HOME/.local/bin"

unset -f source_if
unset -f path_if

if has gnome-keyring-daemon; then
    eval "$(gnome-keyring-daemon --start)"
    export SSH_AUTH_SOCK
fi