[darcs-users] Darcs dependencies - how are they stored and discovered?

[Michael Hendricks]

As I recall, all normal darcs operations that change patch dependencies
also change the patch hashes.  So I suspect you could store dependencies in
the repo keyed by patch hash and it would never go stale.

-- 
Michael


On Thu, Jul 12, 2012 at 12:15 PM, Matt Lamari <matt.lamari at gmail.com> wrote:

>
> Is the dependency (inherent, not user selected), once established, an
> immutable property of the affected patches?
>
> I'm wondering if it's something that could (theoretically) be stored in
> the repo, or at least be kept in parallel data that will never become dirty
> (if it works in terms of patch hashes).
>
>
>
>
> On 7/12/2012 10:16 AM, Michael Hendricks wrote:
>
> Hi Matt.  Darcs normally doesn't store dependencies directly.  They're
> calculated based on whether patches can commute with on another.  If they
> freely commute, there's no dependency; otherwise there is one.
>
>  One exception is dependencies recorded by `darcs record --ask-deps`
> which lets the user manually add explicit dependencies.  These are store on
> disk as part of the newly recorded patch.
>
>  To answer your question, I don't think using the library directly will
> make patch dependency calculations much faster.
>
>  --
> Michael
>
>
> On Thu, Jul 12, 2012 at 9:14 AM, Matt Lamari <matt.lamari at gmail.com>wrote:
>
>>
>> My main interest is in whether or not the library (that I know nothing
>> about) can check dependencies quickly, or if dependency isn't
>> specifically listed but merely a function of patch application voodoo.
>>
>> I am able to find dependANTS from the command line with:
>>
>> darcs obliterate --dry-run
>>
>>
>> Is going to the library for such a task significantly faster?  Or does
>> it still have to perform whatever mechanic that obliterate uses?
>>
>>
>>
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>>
>
>
>
>
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