bug#59115: 29.0.50; byte-recompile-directory incorrectly ignoring files

[Philip Kaludercic]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: No Wayman <iarchivedmywholelife@gmail.com>
>> Date: Mon, 07 Nov 2022 19:49:58 -0500
>> 
>> Commit 8638aace3fbe01529f33870f469fa60bf5e43ee7
>> introduced a bug which will cause byte-recompile-directory to 
>> invert the semantics of the byte-compile-ingore-files option.
>> 
>> To reproduce:
>> 
>> 1. mkdir /tmp/bug/ && cd /tmp/bug/
>> 2. Copy an elisp file which would normally be byte-compiled into 
>> that directory
>> 3. emacs -Q --batch --eval "(byte-recompile-directory 
>> default-directory 0 'force)"
>> 
>> You should see output similar to:
>> 
>> Checking /tmp/bug...
>> Done (Total of 0 files compiled)
>> 
>> 
>> In general the entire logic of byte-recompile-directory is messy.
>> Two ifs without elses, lots of negated predicates, etc. I can see 
>> why the mistake was easy to overlook. This could be further 
>> refactored to make it easier to read by leveraging when/unless 
>> appropriately. Perhaps there's an argument for some abnormal hooks 
>> in place of those long chains of ad-hoc predicates, but I'm more 
>> interested in fixing the problem now.
>> 
>> The attached patch fixes it for me.
>
> Philip, can you look into tis, please?

Yes, the patch makes sense.  I'm going to apply the patch.

Thanks.