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From Bob Archer <>
Subject RE: SVN Tag / Branch question
Date Tue, 30 Oct 2012 18:40:42 GMT
> You are correct in making the statement below.
> However, what's confusing is that when I copied the Docs directory from /trunk
> to /tags/release-1.6, the directory included files from the previous release also.
> Basically, I was expecting to see just the new files. I am trying to understand
> how that happened and how to prevent.

I think perhaps you have a misunderstanding of how subversion revisions work. A revision contains
ALL of the files in the path no matter what previous rev they were last changed in. Do you
have different files in the same path that apply to different releases? If so, I think you
are doing something wrong. 

For example, you should have...

readme_v1.txt and then make a readme_v2.txt for a new release. You should just modify the
readme.txt file accordingly and let svn keep track of which rev of that file goes with which
release of your product.

You should go and review Chapter 1 and 2 of the documentation.


> "Also, if you released your product from a certain svn revision, aren't ALL the
> files in that revision part of that release version?"
> -----Original Message-----
> From: Bob Archer []
> Sent: Tuesday, October 30, 2012 11:36 AM
> To: Ahmed, Omair (GE Oil & Gas);
> Subject: RE: SVN Tag / Branch question
> > Hello,
> >
> > We did our first release in SVN today. I used the copy command (shown
> > below) to copy from /trunk to /tag.  Since not everything in /trunk
> > was needed for this release, I had to specify the directories which were
> needed.
> >
> > Q1. Is this the normal/correct way of doing things? For the new
> > release, just the Docs, MKVIE and Screens dirs. were needed. The others were
> not.
> Not sure what you mean by "not needed". However, you don't save anything by
> not just copying trunk to tag. Since svn uses "cheap copies" copying the full
> trunk folder doesn't take any more space than copying certain folders. Also, if
> you released your product from a certain svn revision, aren't ALL the files in
> that revision part of that release version?
> > Our repo structure is as follows:
> >
> > C>svn list
> >
> > Control/
> > Docs/
> > MKVIE/
> > Screens/
> > sem_modbus/
> >
> > Q2. Are we better off using release branches instead of copying to /tags?
> To svn a copy is a copy. tags and branches are semantic names. In general a
> tag isn't ever committed to. But, this is only by convention.
> > Q3. Sometime down the line, if I had to re-create a view of "Release
> > 1.6", do I just base my workspace on what's in /tags/release-1.6? Or
> > is there another/better way of re-creating a prior release?
> I would copy the tag to a branch and work from the branch.
> > Q4. I was also expecting /tags to contain just the new files for
> > Release 1.6.  However, that wouldn't be case, right? I have a feeling
> > I am confusing myself over nothing.
> Basically, all a copy is, is a pointer to the location that it copied. So, the state
> the path you copy to includes everything from the source path. But, once again,
> it is a cheap copy so no files are really copied.
> BOb

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