>>>>> On Mon, 25 Nov 2019, Chet Ramey wrote: > On 11/24/19 7:35 AM, Ulrich Mueller wrote: >> Description: >> In a non-interactive non-posix-mode shell, saving the output of >> "shopt -p -o" and restoring it will unset the expand_aliases option.
> It seems like setting posix mode when it's already set, or unsetting > it when it's not, should be a no-op instead of guaranteeing a certain > environment (posix or default). That's easy enough. Right, this is where I think that the current behavior is a bug. > There's no question that setting posix mode should change the values > of a number of bash options to produce a compliant environment. > It's a different question whether or not unsetting posix mode should > revert to the settings before posix mode was enabled or restore the > default environment. It's always meant the latter. No strong opinion about that one, but maybe the latter is the more predictable behavior?
