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Re: Versioning ... CVS or Subversion?
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Re: Versioning ... CVS or Subversion?


  • Subject: Re: Versioning ... CVS or Subversion?
  • From: Don Lindsay <email@hidden>
  • Date: Sun, 11 May 2008 16:18:58 -0400

Wooo Hooo!  I agree with the heebeegeebees.  That word makes me laugh.

Don
On May 11, 2008, at 4:14 PM, David LeBer wrote:

On 11-May-08, at 3:50 PM, Gennady Kushnir wrote:

Thank you all for your opinions.
I see all hands are for SVN except built in Eclipse integration.

Most hands are for SVN with Eclipse integration, with a vocal minority for Git (which is very cool btw).


Maybe I should have used google, but could you explain me in general
how does versioning work. And how do I work with it. Specifically in
regard to WO development.
Does it archive only java sources? And how about components, EOmodels
and other related resources (which can also have versions)?

Another condition is that I don't have Internet connection at work so
I can't use online repository and have to merge my "homework" using
flash drive anyway. Does versioning system support this?(and which
ones do?)

Uh... You're a web developer and you have no internet access? I'm sorry, that just sounds crazy. Can your company host the SVN repository and make it available to you from the outside? A version control system is going to benefit them in the long run, they should be paying for it (by paying I mean hosting/managing etc.)


I don't have a solution for you that doesn't give me the heebeegeebees (ie: put the repository on the USB drive, or do a SVN dump and import to the USB drive each time you switch). Maybe Git would handle this better. I don't know.

And questions to Miguel:
- where I can find that "very good open source book that documents everything" ?

Google: 'the svn book' = http://svnbook.red-bean.com/

- I can't imagine versioning system without IDE integration. how does it work?

The Eclipse plugins Subversive or Subclipse makes working with SVN nicer because re-factoring tasks (moves and renames) that usually require multiple steps in an external UI are handled for you. But It is possible to manage your projects outside the IDE (I've used SvnX to talk to SVN in the past).


- If you say it is that good with Mac OS X integration and coming
really soon - maybe I could wait a bit and start my versioning
experience with something really cool?

No. Don't wait. You are exposed to loss of data now, eliminating that exposure is nothing you'd want to wait for a cool GUI for.


Gennady

2008/5/11 David Holt <email@hidden>:
Coincidently there is a new podcast about version control:

http://www.macdevnet.com/index.php/shows/mdr/38-mdr/366-mdr007

David




On 11-May-08, at 11:23 AM, Oliver Scheel wrote:





In fact, CVS was build upon RCS which is already some decades old. The
projects where much smaller and the internet was still academic.

I worked a very long time with CVS and it would still do the job. Now I
only use SVN for my projects, because it's now stable enough and widely
spreaded. Yes, SVN solves a lot of issues in CVS.

But there are some very bad issues with SVN:

A broken CVS repository or working copy can be fixed very easily. With SVN
you MUST make backups/dumps with svnadmin! Otherwise it might be easier to
rewrite your 10 men year project from scratch ;-)

With the switch from svn 1.2 to 1.3 (or 1.3 to 1.4) the format of the
working copy was changed, WITHOUT guranteeing backwards compatibility and
WITHOUT WARNINGS when accessing an older working copy (sic!!!!). If you were
not aware of it, you destroyed the states of working copy with one click. In
one project we need to use a "shared working copy" because it was not
possible to work on dedicated machines. The svn clients were installed on
each client. I don't need to tell you the rest of the story... ;-)

Oliver

P.S.: And, there is still some magic behind SVN :-)

Am 11.05.2008 um 19:43 schrieb Miguel Arroz:


Hi!

Yes, do DO need a version control system. Zipping and flash drives are
an excellent way to burn yourself with mistakes and lossing work.

There are some more version control systems, namely GIT. I still didn't
look at it. It's the system used to manage the Linux kernel source code, and
people say it basically can do anything (which might be good or bad).
Specially, merging several code forks seems to be easier than CVS and SVN.

Anyway, between SVN and CVS, you want SVN, period! Let's say that, the
first time I used a version control system (and that was CVS) I only
committed stuff with other people looking over my shoulder to make sure I
was not going to screw things up. CVS just doesn't make any sense, at least
for me, there are too many things that are not done the way they should.

On the contrary, SVN is what CVS should have been. It's clean, it works.
The main difference is that SVN considers a "version" to be the state of all
the files tree. IE, you know that version 234 of your code repository means
ALL the tree is in the version 234, it's like a "snapshot" in time. CVS uses
a different and independent version number per file, which makes things
chaotic. You may have a file in version 25 (because you changed it 25 times)
and another file in version 3 (you changed it 3 times) that were actually
added to the rep at the same time. It just doesn't make any sense, again, at
least for me. Also, SVN has a very good open source book that documents
everything.

About IDE integration and software, I don't use the eclipse plugins,
because I'm lucky enough to be a alfa-beta-whatever-user of a new GUI for
SVN that is coming on for Mac OS X really soon now, and that I simply love.
But I can't talk about that right now or I'll be killed.

Yours

Miguel Arroz

On 2008/05/11, at 14:33, Gennady Kushnir wrote:


Hello list.
I'm thinking about using some versioning system.
Trying to decide whether I do need one and if yes - which one.
I've heard something about CVS and Subversion. Maybe there is some
other...
What are advantages and disadvantages of versioning in general and of
concrete solutions.
I work on Eclipse, I've seen it does support some versioning.
Today I just zip my workspace and put it on my flashdrive. As I work
both at home and at work I have to synchronise my work.
In most cases when i come home I just trash my obsolette workspace and
unzip the one I brought from work.
But this approach has disadvantages...
first - the whole workspace (even zipped) consumes rather much disk
space (a lot more than just source codes) so my version repository
bosomes very large - when I used xCode it was much more compact as I
excluded build folder.
and second - if I forget to zip workspace and put it to my flashdrive
- than if do something after that - I have to thoroughly merge my work
after that.
Will versioning sistem help with these problems?
Another point is that today I work alone. But maybe in future I will
find some collaborator. As i understand - vesioning should help in
group work.


Interested in your opinions
Gennady Kushnir
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Miguel Arroz http://www.terminalapp.net http://www.ipragma.com



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;david

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David LeBer
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'co-def-er-ous' adj. Literally 'code-bearing'
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  • Follow-Ups:
    • Re: Versioning ... CVS or Subversion?
      • From: James Cicenia <email@hidden>
References: 
 >Versioning ... CVS or Subversion? (From: "Gennady Kushnir" <email@hidden>)
 >Re: Versioning ... CVS or Subversion? (From: Miguel Arroz <email@hidden>)
 >Re: Versioning ... CVS or Subversion? (From: Oliver Scheel <email@hidden>)
 >Re: Versioning ... CVS or Subversion? (From: David Holt <email@hidden>)
 >Re: Versioning ... CVS or Subversion? (From: "Gennady Kushnir" <email@hidden>)
 >Re: Versioning ... CVS or Subversion? (From: David LeBer <email@hidden>)

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