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On 06/01/2011, at 1:17 AM, Noorul Islam K M wrote:
> Noorul Islam K M <noorul_at_collab.net> writes:
>
>> Julian Foad <julian.foad_at_wandisco.com> writes:
>>
>>> On Thu, 2010-12-02, Noorul Islam K M wrote:
>>>
>>>> Noorul Islam K M <noorul_at_collab.net> writes:
>>>>
>>>>> When I was trying to come up with a patch for issue 3713, I observed the
>>>>> following.
>>>>>
>>>>> For example I have two files 1.txt and 2.txt in a repository located at
>>>>> file:///tmp/testrepo
>>>>>
>>>>> svn cat behaves differently for local paths and URLs. See the
>>>>> illustration below.
>>>>>
>>>>> noorul_at_noorul:/tmp/wc/testrepo$ svn cat 1.txt 2.txt
>>>>> 1
>>>>> 2
>>>>>
>>>>> A) Local non-existent target followed by existing target
>>>>>
>>>>> noorul_at_noorul:/tmp/wc/testrepo$ svn cat 3.txt 1.txt
>>>>> svn: warning: '/tmp/wc/testrepo/3.txt' is not under version control
>>>>> 1
>>>>>
>>>>> B) Non-existent URL followed by existing URL
>>>>>
>>>>> noorul_at_noorul:/tmp/wc/testrepo$ svn cat ^/3.txt ^/1.txt
>>>>>
>>>>> svn: File not found: revision 1, path '/3.txt'
>>>>>
>>>>>
>>>>> In case A, even though the first target was non-existent it performs cat
>>>>> operation on the second target but in the case of B, svn errors out at
>>>>> the first failure itself.
>>>>>
>>>>> I am not sure about behavior of other svn commands which accepts
>>>>> multiple targets. When I discussed this Julian in IRC, he said a
>>>>> discussion is needed to come up with standardized behavior across svn
>>>>> commands. Any thoughts?
>>>>>
>>>>
>>>> Any updates?
>>>
>>> Hi Noorul.
>>>
>>> A good way to start a discussion of this sort is to:
>>>
>>> list the possible solutions;
>>> find out and describe how the other subcommands behave;
>>
>> I checked 'svn info' and it behaves the same way for both wc and URL.
>>
>>> say what you think is good and bad about each possible solution;
>>> say which solution you think we should choose.
>>>
>>> That will make it much easier for readers to respond.
>>
>> I figured out that for non-existent URL path, svn_client_cat2 returns
>> SVN_ERR_FS_NOT_FOUND which needs to be caught by svn_cl__try. Therefore
>> I passed this code as one the arguments.
>>
>> Attached is the patch. All tests pass with this patch.
>>
>> Log
>>
>> [[[
>> Make 'svn cat' not to error out when one of the URL targets do not
>> exist.
>>
>> * subversion/svn/cat-cmd.c
>> (svn_cl__cat): Pass SVN_ERR_FS_NOT_FOUND to svn_cl__try in order to
>> catch the error, print warning and proceed with other targets.
>>
>> Patch by: Noorul Islam K M <noorul{_AT_}collab.net>
>> ]]]
>>
>> Thanks and Regards
>> Noorul
>>
>> Index: subversion/svn/cat-cmd.c
>> ===================================================================
>> --- subversion/svn/cat-cmd.c (revision 1053010)
>> +++ subversion/svn/cat-cmd.c (working copy)
>> @@ -78,6 +78,7 @@
>> SVN_ERR_UNVERSIONED_RESOURCE,
>> SVN_ERR_ENTRY_NOT_FOUND,
>> SVN_ERR_CLIENT_IS_DIRECTORY,
>> + SVN_ERR_FS_NOT_FOUND,
>> SVN_NO_ERROR));
>> }
>> svn_pool_destroy(subpool);
>
> Initially this thread was monitored by Julian and now I found out that
> he is busy. It will be great if someone else can take a look at this
> one.
>
> Thanks and Regards
> Noorul
Received on 2011-01-18 03:28:41 CET