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bug#61386: [PATCH] cp,mv,install: Disable sparse copy on macOS

From: Pádraig Brady
Subject: bug#61386: [PATCH] cp,mv,install: Disable sparse copy on macOS
Date: Fri, 10 Feb 2023 09:18:45 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Thunderbird/109.0

On 10/02/2023 03:57, Paul Eggert wrote:
On 2/9/23 01:20, George Valkov wrote:
-#ifdef SEEK_HOLE
+#if defined(SEEK_HOLE) && !defined(__APPLE__)

Instead of always disabling the SEEK_HOLE optimization, how about doing
it only on APFS files? Something like the attached, perhaps (this is
against Savannah master).

If APFS is pretty much universal now on Apple platforms, this patch is
overkill and we should use your much-simpler patch.

Thanks for doing that Paul.
I think the simpler patch is best though
since APFS is the default macOS file system since 2017,
and upon upgrade earlier file systems are upgraded to that.

Also SEEK_DATA doesn't seem to be a well supported feature
on macOS anyway as there was also this issue:

I'll apply the simple patch later I think.


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