[darcs-devel] Making a hashed repository offline safe

[Ben Coburn]

On Dec 16, 2007, at 09:51, David Roundy wrote:

> On Sat, Dec 15, 2007 at 05:02:32PM -0800, Ben Coburn wrote:
>> I have a bit of a question / suggestion about the hashed repository
>> format....
>>
>> Is there an option to force darcs to download everything, thus making
>> a repository safe for offline use?
>
> darcs changes offline-safe
>
> will do this.  (Or for that matter, `darcs changes Easter Bunny`, or
> `darcs changes -s`.)
>
>> I would suggest that an option like "--offline-safe" could be added
>> to "pull" and "get" operations to force them to *not* be lazy about
>> retrieving data. It should also be possible to take a repository in
>> an unknown state of offline safeness and make it safe, so that one
>> will not shoot one's self in the foot later when using it offline. I
>> think "darcs optimize --offline-safe" would be an appropriate command
>> for this action.
>
> Pull is never lazy about retrieving data, so any single command that
> requires that darcs examine all the patches in the repository will  
> make
> that repository permanently unlazy (unless perhaps the --ephemeral  
> option
> is used).  Although, of course, you could always make it lazy again by
> using rm _darcs/patches/*.  Or extra-lazy by also doing rm
> _darcs/pristine.hashed/*.
>



Thanks for the information. I thought this might be the case....  
However, as an "internal" optimization, it was unclear what commands  
would produce this side effect.

Regards, Ben Coburn