Gentoo Archives: gentoo-java

From: Robert Burrell Donkin <robertburrelldonkin@×××××.com>
To: gentoo-java@l.g.o
Subject: Re: [gentoo-java] Re: Maven from source - version 2.x or 3.x ?
Date: Thu, 26 May 2011 11:11:11
Message-Id: BANLkTinwPTUMj9TLp5bJuc8YUenk+8wJ8g@mail.gmail.com
In Reply to: [gentoo-java] Re: Maven from source - version 2.x or 3.x ? by "Jörg Schaible"
On Wed, May 25, 2011 at 5:09 PM, Jörg Schaible <joerg.schaible@×××.de> wrote:
> Hi Robert,
Hi Jörg
> Robert Burrell Donkin wrote:
<snip>
>> maven seems to be moving towards requiring specific core versions for >> builds. some  projects i develop require maven 2, some maven 3. i >> manage this situation with a set of custom scripts and installations >> independent of gentoo. i expect other developers now work in a similar >> way. (same goes for jdks.) the gentoo java stuff just gets in my way >> now for development. > > Why? I have emerged maven:1.0, maven:1.1, maven:2.0, maven:2.2 and > maven:3.0. I've selected my default version with eselect. However, I can use > any of those versions at the same time: > > /usr/bin $ ls -lGgo m*v*n* > lrwxrwxrwx 1    34 Jan 22 14:07 maven-1.0 -> /usr/share/maven- > bin-1.0/bin/maven > lrwxrwxrwx 1    34 Jan 22 14:07 maven-1.1 -> /usr/share/maven- > bin-1.1/bin/maven > lrwxrwxrwx 1     7 Jul 19  2010 mvn -> mvn-3.0 > lrwxrwxrwx 1    32 Apr 30  2010 mvn-2.0 -> /usr/share/maven-bin-2.0/bin/mvn > lrwxrwxrwx 1    32 Apr 30  2010 mvn-2.2 -> /usr/share/maven-bin-2.2/bin/mvn > lrwxrwxrwx 1    32 Mar 10 18:17 mvn-3.0 -> /usr/share/maven-bin-3.0/bin/mvn > > All that eselect effectively does is to switch the unversioned link. You may > call any of those scripts (well, you should not have set MAVEN_HOME at all, > the Maven start script will do this for you anyway).
eselect edits the symlinks. this switches the maven version for the entire system. i want to be able to switch maven (and ant and java) versions for just a terminal. is there some way to make this work with eselect? - robert

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[gentoo-java] Re: Re: Maven from source - version 2.x or 3.x ? "Jörg Schaible" <joerg.schaible@×××.de>