Clearcase (was: Re: Information Required)

[Dirk Heinrichs]

Am 15.01.2015 um 11:49 schrieb Angel Ezquerra:
> Unfortunately I've had to use Clear-Case for many, many years. In fact
> at some point I even made a small custom clear-case GUI to complement
> the one that was provided by Rational. Over the years I've used a
> pretty vanilla Clear-Case installation, another with some custom
> scripting layer on top to force a particular development workflow and
> another based on the UCM workflow. They all were really terrible.
>

Agreed for UCM. Tried to avoid it whereever possible :)

> It is actually hard to choose where to start when criticizing
> Clear-Case. There are so many wrong things about it! From its slowness,

If CC is slow, your setup is wrong. I've worked in really fast CC
environments.

> to its out-dated model,

It's different, but I won't call it outdated. In fact, I prefer its
per-element checkout as it prevents accidental changes better.

> to its incredibly clunky windows client,

Matter of taste, I guess.

> to how hard it makes it to go back to older versions of your source code,

Huh? Change a label in your configspec, ready.

> to the brittleness of config-specs,

Can you elaborate some more? We've always used some standard 5-line
templates, quite easy.

> to the lack of any advanced history editing features,

Only git has those, anyway. In CC, one can at least change the comments.
That's more than you can do with plain Mercurial.

> to the huge need of administration infrastructure and overhead...

Agreed, already stated this in my previous mail. However, you completely
omitted its pros:

Direct filesystem access to all versions via MVFS.
Consistant filesystem paths (/vob/<vobtag>/...)
Reproducible, distributed, parallel builds (clearmake)

> I am actually very surprised. You are the very first person that I've
> ever known to prefer Clear-Case to mercurial or git (and which had
> used these newer systems).

Have been working as a certified CC admin for a long time ;)

Bye...

    Dirk
-- 

*Dirk Heinrichs*, Senior Systems Engineer, Engineering Solutions
*Recommind GmbH*, Von-Liebig-Straße 1, 53359 Rheinbach
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