Jeff King <peff@xxxxxxxx> writes:
> On Thu, Mar 19, 2020 at 09:00:06PM +0700, Đoàn Trần Công Danh wrote:
>
>> Since commit 6b7728db81, (t7063: work around FreeBSD's lazy mtime
>> update feature, 2016-08-03), we started to use ls as a trick to update
>> directory's mtime.
>>
>> However, `-ls` flag isn't required by POSIX's find(1), and
>> busybox(1) doesn't implement it.
>>
>> Use an equivalence `-exec ls -dils {} +` instead.
>
> Makes sense. I wonder if we need all of "-dils", but it's not clear to
> me which syscalls actually trigger the FreeBSD lazy-update behavior. I
> guess probably it's stat()ing the directory, so "ls -ld" would be
> sufficient (and that's implied by the examples in 6b7728db81).
>
> But I doubt the extra options would create a portability problem, so I
> think it's fine either way.
Thanks. I too wondered if -dils is really needed (POSIX of course
have all of them, but we have to deal with non-POSIX systems, too,
and I am not sure how things like "-i" works there).
s/equivalence/equivalent/; perhaps?
