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RE: svn_wc_add_from_disk2 doesn't support skip_some_checks

From: Bert Huijben <bert_at_qqmail.nl>
Date: Tue, 26 Mar 2013 23:44:55 +0100

> -----Original Message-----
> From: MARTIN PHILIP [mailto:codematters_at_ntlworld.com] On Behalf Of
> Philip Martin
> Sent: dinsdag 26 maart 2013 23:15
> To: Daniel Shahaf
> Cc: Marshall Schor; dev_at_subversion.apache.org
> Subject: svn_wc_add_from_disk2 doesn't support skip_some_checks
> Daniel Shahaf <d.s_at_daniel.shahaf.name> writes:
> > Marshall Schor wrote on Tue, Mar 26, 2013 at 15:29:43 -0400:
> >> I recently created some new binary files. I happened to pick a name
> these
> >> that ended in ".data", thinking that would remind me and others in the
> future
> >> that this was just data.
> >>
> >
> > Thanks, r1461328.
> "svn add" won't add files that set both a binary svn:mime-type and an
> svn:eol-style. The low level function that checks the properties has a
> skip_some_checks flag to allow the combination which is how both
> properties can be set using "svn propset --force". "svn add" also has
> --force but it doesn't work to add the file with both properties because
> svn_wc_add_from_disk2 doesn't support skip_some_checks. This is
> explicitly mentioned in the docs:
> * Check and canonicalize the properties in the same way as
> * svn_wc_prop_set4(). Return an error and don't add the node if the
> * properties are not valid on this node. Unlike svn_wc_prop_set4()
> * there is no option to skip some of the checks and canonicalizations.
> but without any rationale. This function is new in 1.8 so we could
> easily change it. Does anyone remember why the function behaves this
> way?

Julian made the add function atomic, instead of add + propset and on error

And I tried to make this canonicalize behavior optional, but halfway through
the patch I found different related issues that made the problem space much
harder than I anticipated.

The --force flag also disables other checks such as on svn:mergeinfo and all
other properties, so by resolving one particular issue it will most likely
introduce several others.

And there are other checks on the mimetype that can cause related problems.
(And libsvn magic combined with these other problems might cause even more

I added a few tests on these strange cases in trans_tests.py in r1449522 and

We probably really need some kinds of checks here, while we would only like
to skip the actual file check that just checks if the file has normalized
eols. (We will check that again at commit time, so it involves no risk of
getting invalid state committed).

I haven't dived deeper in this problem space as after fixing any small
problem a similar remaining one turned up.
(I reverted my work and continued with the other work)

Received on 2013-03-26 23:45:31 CET

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