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Re: [Gnu-arch-users] [BUG] FEATURE PLANS: summary revlibs
From: |
Bug Goo |
Subject: |
Re: [Gnu-arch-users] [BUG] FEATURE PLANS: summary revlibs |
Date: |
Wed, 16 Jun 2004 16:40:03 +0000 |
Created as bug 147
On Sat May 29 05:12:13 2004, Tom Lord wrote:
>
> We currently have --greedy and --sparse revlibs.
>
> "greedy" should not be a boolean ("greedy or not greedy")
> but should be part of a set of options including at least:
>
> passive (== the current not greedy)
> greedy (== the current greedy)
> summary (new)
>
> In a summary library, if REV has a patch log entry that
> contains the header
>
> Summary-basis: REV
>
> (naming itself as a basis), then it is a _permanent_addition_ to the
> revlib. It will be greedily added and can only be deleted by hand
> (using `library-remove').
>
> If a revision in a summary revlib is not permanent, it's sliding.
>
> When a new sliding revision is needed in a library, the
> already-present nearest neighbor revisions are checked. Either of
> them that is not permanent and that can be locked and that has an
> identical "Summary-basis:" can be removed from the library and
> converted into the newly desired revision.
>
> Suppose that know sliding revision exists which can be turned into our
> desired revision. In that case,
>
> 0) If the basis revision exists in the library, link to that
> and build by applying at most two changesets.
>
> 1) Otherwise, if the library is --sparse, recursively try to
> build the BASIS revision as a temp directory and
> patch against that.
>
> 2) Otherwise, (missing basis, not --sparse), recursively
> add the basis to the library and goto step 0.
>
>
> (Note that the intention here is to encourage people to make a summary
> revlib for summary versions.)
>
>
> -t
>
>
> _______________________________________________
> Gnu-arch-users mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/gnu-arch-users
>
> GNU arch home page:
> http://savannah.gnu.org/projects/gnu-arch/
>
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