From: Jeff Hostetler <git@jeffhostetler.com>
Date: Mon, 21 Mar 2022 22:06:01 GMT
Subject: Re: [PATCH v2 00/27] Builtin FSMonitor Part 3
Message-ID: <2bb125d3-cef7-9d47-efa8-61a1aaba5316@jeffhostetler.com>
In-Reply-To: <20220313104230.ctwbskywcq5jxv36@tb-raspi4>



On 3/13/22 6:42 AM, Torsten Bögershausen wrote:
> Hej Jeff,
> 
> I tried your patch on both a newer Mac and an older machine (with HFS+)
> The older machine doesn't have
> kFSEventStreamEventFlagItemCloned
> As it is an enum, and not a #define, I ended up here:
> 
>    diff --git a/compat/fsmonitor/fsm-listen-darwin.c b/compat/fsmonitor/fsm-listen-darwin.c
>    index 3332d3b779..fa172a05c4 100644
>    --- a/compat/fsmonitor/fsm-listen-darwin.c
>    +++ b/compat/fsmonitor/fsm-listen-darwin.c
>    @@ -169,8 +169,6 @@ static void log_flags_set(const char *path, const FSEventStreamEventFlags flag)
>                    strbuf_addstr(&msg, "ItemXattrMod|");
>            if (flag & kFSEventStreamEventFlagOwnEvent)
>                    strbuf_addstr(&msg, "OwnEvent|");
>    -       if (flag & kFSEventStreamEventFlagItemCloned)
>    -               strbuf_addstr(&msg, "ItemCloned|");
> 
>            trace_printf_key(&trace_fsmonitor, "fsevent: '%s', flags=0x%x %s",
>                             path, flag, msg.buf);
>    @@ -221,8 +219,7 @@ static int ef_ignore_xattr(const FSEventStreamEventFlags ef)
>                    kFSEventStreamEventFlagItemModified |
>                    kFSEventStreamEventFlagItemRemoved |
>                    kFSEventStreamEventFlagItemRenamed |
>    -               kFSEventStreamEventFlagItemXattrMod |
>    -               kFSEventStreamEventFlagItemCloned;
>    +               kFSEventStreamEventFlagItemXattrMod ;

It looks like the ...Cloned bit was added to the SDK in 10.13 [1].
All the other bits were defined sometime between 10.5 and 10.10.

I'll add something in V7 to guard that bit.  I think 10.10 is old enough
that we don't need to special case those bits too.

Thanks,
Jeff

[1] /Applications/Xcode.app/Contents/Developer/Platforms/ \
     MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/ \
     Library/Frameworks/CoreServices.framework/Frameworks/ \
     FSEvents.framework/Versions/Current/Headers/FSEvents.h