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Consistent error codes from RA layers

From: Julian Foad <julianfoad_at_btopenworld.com>
Date: Thu, 06 Mar 2008 10:25:27 +0000

Code like this appears in several places:

> err = editor->delete_entry(path, item->revision, parent_baton, pool);
> if (err)
> {
> if (err->apr_err == SVN_ERR_FS_NOT_FOUND
> || err->apr_err == SVN_ERR_RA_DAV_PATH_NOT_FOUND)

These two errors both mean "the item was not present in the repository". When
committing to the repository, this indicates that the WC is out of date w.r.t.
the repository.

SVN_ERR_FS_NOT_FOUND is sent by the file or svn RA layers, and
SVN_ERR_RA_DAV_PATH_NOT_FOUND is sent by the http/https RA layers, with the
same meaning.

The RA layers are intended to provide a consistent interface, so I think all
the RA layers ought to be made to return the same error code for this case.

At the very least, svn_delta_editor_t ought to document the error codes that
its functions return in this and similar situations.

Opinions?

- Julian

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Received on 2008-03-06 11:26:02 CET

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