.dotfiles-lib

_dot_get_os() {
    python3 -mplatform
}

_dot_is_osx() {
    _dot_get_os | grep --quiet --ignore-case macos
}

_dot_is_ubuntu() {
    _dot_get_os | grep --quiet --ignore-case ubuntu
}

_dot_is_redhat() {
    _dot_get_os | grep --quiet --ignore-case redhat
}

_dot_is_centos() {
    _dot_get_os | grep --quiet --ignore-case centos
}

_dot_is_linux() {
    _dot_get_os | grep --quiet --ignore-case linux
}

_dot_on_path() {
    local cmd="${1?cmd is required}"
    which $cmd &> /dev/null
}

_dot_prepend_to_path() {
    local dir="${1?dir is required}"
    if [[ -d $dir ]]; then
        export PATH="$dir:$PATH"
    fi
}

_dot_clone_or_pull() {
    local repo="${1?repo is required}"
    local dir="${2?dir is required}"

    if [[ ! -d $dir/.git ]]; then
        git clone $repo $dir
    else
        (cd $dir && git pull)
    fi
}

_dot_shell() {
    basename $(command ps -p $$ -oargs=)
}

_dot_is_zsh() {
    [[ $(_dot_shell) == zsh ]]
}