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List: unison-users
Subject: [unison-users] Re: Feature request: Option to disable "ignore one hour time difference"
From: Dan Christensen <jdc () uwo ! ca>
Date: 2011-06-30 3:02:05
Message-ID: 877h8410pe.fsf () uwo ! ca
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[Following up to a message from 2009...]
There's a firefox extension called lazarus that seems to save a
large sqlite file exactly once per hour, and not change the length.
When the same file is then changed at the other end, unison spends
time transferring a large amount of data and then fails saying that
the remote version has changed.
So I'd like to second the request that the 'one hour different'
behaviour be configurable. Or could it be left on but made safe?
For example, if unison notices a one hour difference, it could compute a
hash to really check whether the file has changed (even when fastcheck
is true).
Dan
Benjamin Pierce <bcpierce@cis.upenn.edu> writes:
> I suppose we could put this behavior on a switch, but is it really a
> big deal? Note that a file will be judged not to have changed only if
> its timestamp is exactly one hour different (to the second) *and* its
> length is the same.
>
> - Benjamin
>
> On Dec 22, 2009, at 7:52 AM, garoto_burns wrote:
>
>> Hello.
>>
>> I love Unison and it helps me a lot, but there is a big problem with
>> the last update.
>>
>> So I beg to the developers: Please! Add an option to choose if the
>> user wants to ignore one hour difference or not.
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<p>[Following up to a message from 2009...]<br>
<br>
There's a firefox extension called lazarus that seems to save a<br>
large sqlite file exactly once per hour, and not change the length.<br>
When the same file is then changed at the other end, unison spends<br>
time transferring a large amount of data and then fails saying that<br>
the remote version has changed. <br>
<br>
So I'd like to second the request that the 'one hour different'<br>
behaviour be configurable. Or could it be left on but made safe?<br>
For example, if unison notices a one hour difference, it could compute a<br>
hash to really check whether the file has changed (even when fastcheck<br>
is true).<br>
<br>
Dan<br>
<br>
Benjamin Pierce <<a \
href="mailto:bcpierce%40cis.upenn.edu">bcpierce@cis.upenn.edu</a>> writes:<br> \
<br> > I suppose we could put this behavior on a switch, but is it really a <br>
> big deal? Note that a file will be judged not to have changed only if <br>
> its timestamp is exactly one hour different (to the second) *and* its <br>
> length is the same.<br>
><br>
> - Benjamin<br>
><br>
> On Dec 22, 2009, at 7:52 AM, garoto_burns wrote:<br>
><br>
>> Hello.<br>
>><br>
>> I love Unison and it helps me a lot, but there is a big problem with <br>
>> the last update.<br>
>><br>
>> So I beg to the developers: Please! Add an option to choose if the <br>
>> user wants to ignore one hour difference or not.<br>
<br>
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