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List:       maven-user
Subject:    Re: swap between snapshot- and release versions in a large system
From:       Stephen Connolly <stephen.alan.connolly () gmail ! com>
Date:       2009-03-30 17:24:51
Message-ID: 88c1b40903301024g683ec31cw70fffae34a708c8e () mail ! gmail ! com
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versions-maven-plugin....

some of the mojo's we're (or I'm) intending on putting in are not there yet.

The first mojo to look at is: update-properties

(you'd be wanting the version from 1.0-alpha-3-SNAPSHOT btw)

This picks up any dependencies who's version comes from a property and
allows picking the newest version available and using that.

Two other goals which I'm planning are

use-releases (will scan your project for any dependencies which are
-SNAPSHOT and have the corresponding release version available)

use-snapshots (will scan your project for any dependencies which have a
newer -SNAPSHOT available and use that)

note that use-releases is safer than use-snapshots as removing the -SNAPSHOT
is unambiguous, but adding a -SNAPSHOT is more difficult...

1.0.3 => 1.0.4-SNAPSHOT, or 1.1.0-SNAPSHOT, or 2.0.0-SNAPSHOT

what one should we look for, and when should we use it

2009/3/30 <torsten.reinhard@gi-de.com>

> Hi,
>
> we have a large system, containing separate software modules (backend.ear,
> ui.war, services.war and so on....)
>
> During developement, we use snapshot dependencies to reference the other
> modules.
> So a version of the whole system can be build by "one click" on our
> buildsystem, which than just deploys a new snapshot version and all is
> fine.
>
> During release (one times a week) we need first to release the modules one
> by one - actually per hand, swap dependency versions and so on,
> than swap dependency versions back to next snapshot for the develeopement
> of next week and so on.
> This is very error-prone and time consuming.
>
> What´s the way to do this more efficient? Always build the whole system as
> one "multimodule" build?
> Is there a plugin that automatically can change dependency versions in
> pom.xml if there are newer versions available?
>
> Thanx,
>
> torsten


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