Strange contents on some ftp mirrors

[Dominic Fandrey]

On 28/07/2010 15:15, Marcin Wisnicki wrote:
> On Tue, 27 Jul 2010 21:03:21 -0700, perryh wrote:
> 
>> Marcin Wisnicki <mwisnicki+freebsd at gmail.com> wrote:
>>> At this very moment, french package mirror has INDEX newer than in
>>> other mirrors:
>>>
>> ...
>>>
>>> yet it does not have those packages.
>>>
>>> How could something like this happen ?
>>
>> By being examined while a resync was in process: evidently the new INDEX
>> file had been transferred but that package file (and likely others) were
>> still in transit or perhaps not even started yet. Mirroring is not an
>> instantaneous process. 
> 
> Yeah that was it, but it is really, really bad.
> Mirroring must be atomic (mirror to temporary directory then rename).
> Otherwise there is a large window of time every couple of days when upgrading
> packages will at best fail or leave you with broken system.
> I did binary upgrade with pkg_upgrade yesterday and half of my system was linked
> against wrong libintl version :(

The next version of pkg_upgrade will check every downloaded package
against the master server after completing the download.

I expect to release it at the end of September.

Regards

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