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Re: restrict copy from to

From: Russell E Glaue <rglaue_at_cait.org>
Date: 2007-05-09 00:12:21 CEST

Okay, let be a little more descriptive.

Let's say I create a branch called 'mirrored' with two subbranches 'staged' and
This is in addition to the 'trunk'.
So I have this:


Now I am going to mirror the branch 'mirrored' to a svn repos on another server.
And I am going to deploy a 'ver-N' tag in the subbranch 'live' from that remote
svn repos using 'svn switch' command.
'/mirrored/live/ver-N' are tags of various versions of '/mirrored/staged'

Now everyone knows that 'svn switch' will not work unless there is a common
So, since I am mirroring only '/mirrored/' branch to the remote server, in order
to perform 'svn switch' with say '/mirrored/live/ver-1' to
'/mirrored/live/ver-2' the common ancestry must be from within '/mirrored/'.
I have chosen the common ancestry to be '/mirrored/staged' which gets tagged out
to an appropriate ver-N tag in '/mirrored/live'.

This means 'svn switch' will NOT work if the content of '/mirrored/live/ver-N'
has an immediate ancestry in '/trunk/'.

Therefore, I want to restrict any 'svn copy' commands to '/mirrored/live' to
only allow a copy from '/mirrored/staged'

This would force developers to copy/merge/import changes to '/mirrored/staged'
in order to tag it out to '/mirrored/live/ver-N'

I know svn history can be used to find ancestry of a file or directory which you
can compare to discover a COPY.
However, since I want to deny the COPY command to be successful if the ancestry
is not from an approved location, I need to know the ancestry of a file as it is
found in the transaction.

What tool command will tell me this?

looking at the transaction, I could see that the following might be occurring:
  A /mirrored/live/ver-5/file1.txt
But it does not tell me if that file1.txt is new, copied from /mirrored/staged,
or copied from /trunk/.

What tool command can I use to tell me (or help me find out) that this file is
being copied from '/mirrored/staged' and not some other location? I want to do
this during the transaction, then allow or deny the commit based on this.


Russell E Glaue wrote:
> Has anyone tried this before?
> Say I have a svn repos with a branch and trunk like this
> /repos/
> -------trunk/calc1/lib/eng1/af
> -------trunk/calc1/lib/eng1/zz
> -------branches/calc1-lib-eng-af
> -------branches/calc1-lib-eng-zz
> And I want to restrict any "copy" from "branches/calc1-lib-eng-af" to
> "trunk/calc1/lib/eng1/af" only.
> So a committer who has commit access to all of branches and trunk would
> not be able to perform this funtion:
> svn copy branches/calc1-lib-eng-zz/file1.txt
> trunk/calc1/lib/eng1/af/file1.txt
> This is a hypothetical scenerio.
> What can I use to discover the copy history in a transaction?
> svnlook?
> How can this show me it is a copy from an allowed or not allowed source?
> -RG
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Received on Wed May 9 00:12:39 2007

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