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Re: [PATCH] wc-ng, get node's URL

From: Gavin Beau Baumanis <gavin_at_thespidernet.com>
Date: Wed, 20 Jan 2010 23:01:47 +1100

Hi Neels,

Just thought I would check with you - with respect to do you require me to keep an eye on this thread for the purposes of pinging the list etc?

Gavin.

On 26/12/2009, at 12:48 PM, Neels J Hofmeyr wrote:

> Sorry, hold this patch.
>
> Greg,
>
> I'm asking you since you said there may be a duplicate; but it looks like
> it's more of a misnomer instead ("get_node_uri"), as Julian pointed out IIRC.
>
> Here is the "duplicate", with improved name:
>
> [[[
> static svn_error_t*
> get_node_base_rev_and_url_components(svn_revnum_t *revision,
> const char **repos_relpath,
> const char **repos_root_url,
> svn_wc__db_t *db,
> const char *local_abspath,
> apr_pool_t *result_pool,
> apr_pool_t *scratch_pool)
> {
> ... svn_wc__db_base_get_info(...
> ]]]
>
> And here what you suggested:
>
> [[[
> svn_error_t *
> svn_wc__internal_node_get_url(const char **url,
> svn_wc__db_t *db,
> const char *local_abspath,
> apr_pool_t *result_pool,
> apr_pool_t *scratch_pool)
> {
> ... svn_wc__db_read_info(...
> ]]]
>
> So the former returns REVISION, REPOS_RELPATH and REPOS_ROOT_URL, all needed
> in check_tree_conflict() to mangle and feed to arguments.
> The latter has only the complete URL string in store, no revision.
>
> In the patch of the previous mail, I got the URL separated into
> REPOS_RELPATH and REPOS_ROOT_URL, but it turns out I also need a REVISION. I
> also need specifically the BASE information, so AFAICT using
> svn_wc__db_base_get_info() makes more sense than using svn_wc__db_read_info().
>
> Do you agree that it's no duplicate after all?
>
> BTW, this is how get_node_base_rev_and_url_components() and its return
> values would be used in check_tree_conflict(), libsvn_wc/update_editor.c:
> [[[
> /* Source-left repository root URL and path in repository.
> * The Source-right ones will be the same for update.
> * For switch, only the path in repository will differ, because
> * a cross-repository switch is not possible. */
> SVN_ERR(get_node_base_rev_and_url_components(&revision,
> &path_in_repos,
> &repos_url, eb->db,
> local_abspath, pool,
> pool));
>
> src_left_version = svn_wc_conflict_version_create(repos_url,
> path_in_repos,
> revision,
> left_kind,
> pool);
>
> /* kind is both base kind and working kind, because schedule
> * replace-by-different-kind is not supported. */
> /* ### TODO: but in case the entry is locally removed, entry->kind
> * is svn_node_none and doesn't reflect the older kind. Then we
> * need to find out the older kind in a different way! */
>
> /* For switch, find out the proper PATH_IN_REPOS for source-right. */
> if (eb->switch_url != NULL)
> {
> if (their_url != NULL)
> path_in_repos = svn_uri_is_child(repos_url, their_url, pool);
> else
> {
> /* The complete source-right URL is not available, but it
> * is somewhere below the SWITCH_URL. For now, just go
> * without it.
> * ### TODO: Construct a proper THEIR_URL in some of the
> * delete cases that still pass NULL for THEIR_URL when
> * calling this function. Do that on the caller's side. */
> path_in_repos = svn_uri_is_child(repos_url, eb->switch_url,
> pool);
> path_in_repos = apr_pstrcat(
> pool, path_in_repos,
> "_THIS_IS_INCOMPLETE",
> NULL);
> }
> }
>
> src_right_version = svn_wc_conflict_version_create(repos_url,
> path_in_repos,
> *eb->target_revision,
> their_node_kind,
> pool);
>
> ...
> svn_wc_conflict_description_create_tree2(
> ... src_left_version, src_right_version, ...);
> ...
> }
> ]]]
>
> Thanks,
> ~Neels
>
> Neels J Hofmeyr wrote:
>> Hi,
>>
>> maybe you remember that patch of mine with a function gstein said looks like
>> a duplicate of svn_wc__internal_node_get_url().
>> http://subversion.tigris.org/ds/viewMessage.do?dsForumId=462&dsMessageId=2415782
>>
>> It almost *is* a duplicate, but there's a difference...
>>
>> svn_wc__internal_node_get_url() *combines* the repos_root_url and
>> repos_relpath to a URL. But I need them *separate*. If you want to see why,
>> look at get_node_uri(), which I want to eliminate, in the output of:
>>
>> svn diff -c-880555 ^/subversion/trunk | less
>>
>> (This had been committed before and reverted in r880555, and now I'm giving
>> it some review to be able to commit it again. It "wc-ng"s the tree-conflict
>> detection during update.)
>>
>>
>> So, I split functionality off svn_wc__internal_node_get_url() to get a
>> function that does everything except combining the two URL parts into a
>> single string.
>>
>> See attached patch that does the function split I'd like to do, so I can
>> then fix and commit -c-880555. -- if you like attached patch, feel free to
>> commit. I don't have an apache account yet.
>>
>> Thanks,
>> ~Neels
>>
>
Received on 2010-01-20 13:11:29 CET

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