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Re: SVN' "complexity" :)

From: Dr . Jürgen Sauermann
Subject: Re: SVN' "complexity" :)
Date: Fri, 26 May 2023 11:58:18 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0

I would like to share another anecdote with you.

Some years ago I worked for a company that forced me to use
git. I used to work from my home office and commit my changes
to the company's git repository. Needless to say that I use SVN
in my home office and I admit that I am not a git expert, not
even a frequent user (I avoid it where possible). On the other
hand I have  a 30-year working experience with various source
control systems (RCS, CVS, ClearCase, and now SVN).

One day I was supposed to do a simple fix of one or maybe
two lines of source code fix in a handful of files in the remote
git repository. Since the repository was rather large (and my
DSL line rather slow) I thought it would suffice to only check
out the sub-directory that contained the few files, fix and
recompile them to make sure the changes would work.

Next I pushed my small changes back to the remote git
repository. Minutes later I got a call from a colleague asking
why the hell I had removed almost all files in the git repository,
I can't explain what happened exactly, but after my git push
 the entire (!) remote git repository now only contained the
few files that I had changed and all other files were gone.

Luckily a git specialist in the company managed to restore
the deleted files (and therefore I was not fired) , but my
trust in git is severely damaged since then.

Best Regards,

On 5/25/23 23:56, vvs wrote:
Following recent argument I just wanted to share that anecdote which
happened to me right now. That way it would be closer to real life and
more funny for you.

First, some background. I used to locally mirror GNU APL' Subversion
repository using rsync. That was long before it' Git mirror even
existed. Today I've decided to update it, what I didn't do for quite
some time. I was surprised to see that revisions 1519, 1601 and 1686
together have about 1.7 GB in size! I've aborted that transaction and
decided to fake those revisions in my local repository just to save
disk space. It all failed for different reasons so I've decided to
finally just use plain SVN workspace and ditch my local mirror for
good. I could have used git --depth but this wouldn't buy me anything.

Now, the story. To save some traffic, I did checkout from my local
mirror first. Then I've tried to change the repository URL. I vaguely
remembered that I should use a `switch` command. But that didn't work
with an error explaining that URLs are different. Heck, but that's
exactly why I've resorted to switch! Then I've noticed that there is
--ignore-ancestry, which should have helped in that scenario. But it
didn't help either. Then I gave up and just did a fresh checkout from
a new URL. After googling some more I've finally found a documentation
page which explained that I should have used `relocate` instead of
`switch`. Also, --relocate option was deprecated which confused me
even more. Well, too little too late already :) I've lost 0.5 GB of
mobile Internet traffic, some time and yet I knew that in Git I should
have only trivially changed repository' origin with `remote`.

The obvious moral of this story is: I'm not an expert in SVN. You can
lough. And well, that's the point: Git is just more familiar for me :)

Have a nice day.

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