On 2 Aug 2016, at 14:39, Mark Hatle wrote:
The alternative to the 'ln' is a 'cp' operation. This is how it used
to work
until optimizations were added a few releases ago. It was observed
that this
saves a large amount of space -- but it had the unintended consequence
of
suddenly files are now changes as the do_install/do_package processing
manipulates files and modes change...
Yeah, and I think if we just dropped the copy of permissions, this
would at least temporarily go away.
I almost wonder if in pseudo we should avoid changing any modes
internal to the
file -- until something tries to write to the file. (Can we even
capture that
and try to fix it? If not, what we're doing is likely the only
answer.)
I don't think we usefully can.
Hmm.
So it occurs to me, there's only a few cases where we actually have any
reason to make on-filesystem permissions changes at all. Say, execute
bits for executables. Otherwise, we could in theory just not bother
writing
changes to the disk, because the disk permissions are irrelevant.
-s
--
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