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Re: Status on issue-2897 branch

From: David Glasser <glasser_at_davidglasser.net>
Date: 2007-12-12 17:51:37 CET

On Dec 12, 2007 7:48 AM, Kamesh Jayachandran <kamesh@collab.net> wrote:
> Hi All,
> I changed the 'get-commit-revs-for-merge-ranges' initial implemenation
> to 'get-commit-and-merge-ranges' as the initial implementation is prone
> to edge case.
>
> I reworked on my original work on 'extract and apply non-reflective
> changes' later realised one more issue with
> 'get-commit-and-merge-ranges' API.
>
> Today it stands out like this,
> svn_error_t *
> svn_ra_get_commit_and_merge_ranges(svn_ra_session_t *session,
> apr_array_header_t **merge_ranges_list,
> apr_array_header_t **commit_rangelist,
> const char* merge_target,
> const char* merge_source,
> svn_revnum_t min_commit_rev,
> svn_revnum_t max_commit_rev,
> svn_mergeinfo_inheritance_t inherit,
> apr_pool_t *pool);
>
> For the dataset of
> Merged r30, r32, r36 from /source to /target at r50
> Merged r40, r42, r46 from /source to /target at r51
> Current api would give
> commit_rangelist = [50, 50, 50, 51, 51, 51]
> merge_ranges_list = [30, 32, 36, 40, 42, 46]
>
> Whereas it should give
> commit_rangelist = [50, 51]
> merge_ranges_list = [[30, 32, 36], [40, 42, 46]]
>
> I am fixing this right now.

Hi Kamesh. Can you clarify in text somewhere exactly what the
information that this API needs to harvest is? I have some ideas
about how to better utilize (index and query) Sqlite that I haven't
put into practice yet; I'd be happy to help with this.

So what are the questions that this API needs to ask? And what is
your proposed schema?

(One big question I'm concerned about, looking at that API, is peg-rev
resolution. What if "merge_target" refers to different, unrelated
lines of history at min_commit_rev and max_commit_rev?)

--dave

-- 
David Glasser | glasser_at_davidglasser.net | http://www.davidglasser.net/
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Received on Wed Dec 12 17:51:59 2007

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