moving projects from svnpath to svnparentpath template

[ma...@externe.bnpparibas.com]

Hello everybody,

I'm in front of a problem that I can't solve and I hope you could help me 
:)
In introduction, I'm in a 1.3 version, windows operating system.
Quickly, my problem is to move projects from a multi projects repository 
to a parent repository pattern.

For historical reeasons, we have furthers projects in a svn repository:
%svn_repository_location%/ project1 / trunk
                                                  / branches
                                          / tags
%svn_repository_location%/ project2 /trunk
                                                  / branches
                                                   / tags
For administratives reeasons, we wants to move them to a parentPath model 
where w'il keep the 3 folders.
%svn_parent_path%/%svn_repository%/trunk
                                        /branches
                                        /tags

But I'm not sure of the protocol. Foreach project, I've made a dump from 
the svnadmin dump command with a svndumpfilter include project1/folder 
pattern.
(svndump c:\my_old_repository | svndumpfilter include project1/trunk > 
mytrunkdumpforproject1.dumpfile)
After making the new repository location (svnadmin create 
c:\my_new_repos\project_1) and making the trunk, branches and tags 
subfolders, I've loaded it with svnadmin load command (svnadmin load 
c:\my_new_repos\project_1 --parent-dir trunk < 
mytrunkdumpforproject1.dumpfile).
My dump seems to be well import, when I try to list my new branch trunk 
content, listing doesn't return anything.
What's wrong?
Where I've made a mistake?
Best regards,

Matthieu M.




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