openbravo-isv team mailing list archive

[Brian Thomason <brian.thomason@xxxxxxxxxxxxx>]

Hi Gorka,

A simple Conflicts will suffice just nicely for what you describe.  apt
never purges unless explicitly instructed to. I see no real problem offhand
with two packages, but I am curious as to why you want two packages?

-Brian

On Thu, Dec 2, 2010 at 8:03 AM, Gorka Gil <gorka.gil@xxxxxxxxxxxxx> wrote:

> Hi Brian,
>
> We have just published 3.0RC3 and we are designing the Ubuntu package
> for the Openbravo 3.0 series.
>
> The requirements:
> - A user of Lucid/Maverick should be able to install Openbravo 2.50 or 3.0.
>
> Note: it's not needed that the user has the 2.50 and 3.0 installed at
> the same time.
>
> The proposal:
> - Have two different packages: one for 2.50 and one for 3.0.
>
> The wanted behavior:
> - If a user installs 3.0 and the user already has 2.50: It will do a
> remove of 2.50 (but WITHOUT purge).
> - If a user installs 2.50 and the user already has 3.0: It will do a
> remove of 3.0 (but WITHOUT purge).
> - Since the remove doesn't delete the sources and the database, the
> user can come back to the other version without lost his data.
>
> Details of the packages:
> - Each package will have different directories:
> (/opt/OpenbravoERP-2.50 and /opt/OpenbravoERP-3.0)
> - Since both package have a different base directory, each package
> will have its own database cluster and tomcat instance.
> - Both packages will use the same system user: "openbravo". And the
> variables like CATALINA_BASE, ANT_OPTS... and so on will be related to
> the user, and will be overwritten in the package installation.
> - The 3.0 package should be related to the 2.50 package in a way that
> it avoids installing both at the same time.
>
> What do you think about the proposal of having two packages?
>
> How, and what type of relation is needed to be specified so that these
> two packages cannot be installed at the same time?
> How about using the "Conflicts" statement in the debian/control file?
>
> Thanks,
> Gorka
>
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