Naive question: boolean dependency

[Vladimir Mihai Pacuraru]

From: Michael Jennings <mej kainx org>
To: rpm-list redhat com
Subject: Re: Naive question: boolean dependency
Date: Tue, 5 Feb 2008 20:49:12 -0800
On Tuesday, 05 February 2008, at 08:00:42 (+0100),

It is possible to express boolean dependencies in RPM?

Yes. grep -ir for examples in /usr/lib/rpm.

Please share some. I would love to see them.

Same interest here!

Requires: (pkg <=1.0.3) | (pkg>=1.9.3)

The above hasn't anything to do with Boolean switches but is given
with the Requires: and/or BuildRequires: definitions.

Please illustrate.
Michael

Again, I would like to do pretty much the same thing (say that a package
requires either a version or another) and tried to adapt the above
Requires: example but instead got this error:

error: line 17: Dependency tokens must begin with alpha-numeric, '_' or '/':

What exactly are the uses for the underscore and the / characters?

Thanks a lot!

Vlad

[Michael Jennings]

On Thursday, 21 February 2008, at 16:29:09 (+0100),

Post by Vladimir Mihai Pacuraru

Please share some. I would love to see them.

Same interest here!

I could be wrong, but you may have missed the subtlety. :)

Put more bluntly: "Had you actually grep'd for them yourself, you
wouldn't have found any because they don't exist. RPM can't do that."

Post by Vladimir Mihai Pacuraru
Again, I would like to do pretty much the same thing (say that a package
requires either a version or another) and tried to adapt the above

Because you can't do that either.

Post by Vladimir Mihai Pacuraru
What exactly are the uses for the underscore and the / characters?

Underscores are generally considered "word" characters for historical
programmer reasons. / allows file dependencies.

Michael

[Vladimir Mihai Pacuraru]

Re: Naive question: boolean dependency
From: Michael Jennings <mej kainx org>
To: rpm-list redhat com
Subject: Re: Naive question: boolean dependency
Date: Thu, 21 Feb 2008 09:31:11 -0800
On Thursday, 21 February 2008, at 16:29:09 (+0100),

Post by Vladimir Mihai Pacuraru

Please share some. I would love to see them.

Same interest here!

I could be wrong, but you may have missed the subtlety. :)
Put more bluntly: "Had you actually grep'd for them yourself, you
wouldn't have found any because they don't exist. RPM can't do that."

So basically you can't do boolean dependencies, right? I mean what I
need to do is to say install package X if version Y or Z is already
installed.

Post by Vladimir Mihai Pacuraru
Again, I would like to do pretty much the same thing (say that a

package requires either a version or another) and tried to adapt the
error: line 17: Dependency tokens must begin with alpha-numeric, '_'

Because you can't do that either.

What exactly are the uses for the underscore and the / characters?
Underscores are generally considered "word" characters for historical
programmer reasons. / allows file dependencies.

Thank you very much for your answer, Michael!