bug#41554: chmod allows removing x bit on chmod without a force flag, which can be inconvenient to recover from

[Paul Eggert]

On 5/26/20 6:30 PM, Will Rosecrans wrote:
> The underlying safety logic is similar to that behind the
> existing "--(no-)preserve-root"

I think not. There are all sorts of other things one shouldn't chmod either, but
we can't and shouldn't maintain a long list. Let's stop with "/".