edit dotfiles in repo, then run diff/apply. avoid editing managed dotfiles directly
dotfiles <-> chezmoi <-> git
chezmoi init --ssh grrtej # new machine
chezmoi git -- commit # commit change
chezmoi git -- push # push changes
chezmoi update -vn # pull and preview changes
chezmoi diff # preview changes
chezmoi apply # apply changes
chezmoi managed # dotfiles managed on this machine