The following comment has been added to this issue:
Author: Dennis Lundberg
Created: Thu, 13 Jan 2005 4:25 PM
Body:
I decided to try to make a patch for this issue. It's going rather well. To be
backwards compatible I have added new property called
maven.ant.use.get.properties that triggers this new behaviour. If the property
is set to 'true' the following changes takes place.
maven.ant.use.get.properties=false
(exactly how things work today)
----------------------------------
...
<target name="get-deps" unless="noget" depends="init">
<!--Proxy settings works only with a JDK 1.2 and higher.-->
<setproxy>
</setproxy>
<get dest="${libdir}/commons-logging-1.0.4.jar" usetimestamp="true"
ignoreerrors="true"
src="http://localhost/maven/commons-logging/jars/commons-logging-1.0.4.jar";>
</get>
... (more get lines here)
</target>
...
maven.ant.use.get.properties=true
(works as per Craig's request)
----------------------------------
...
<property file="build.properties">
</property>
...
<target name="get-deps" unless="noget" depends="init">
<!--Proxy settings works only with a JDK 1.2 and higher.-->
<setproxy>
</setproxy>
<property name="commons-logging-1.0.4.jar"
value="http://localhost/maven/commons-logging/jars/commons-logging-1.0.4.jar";>
</property>
<get dest="${libdir}/commons-logging-1.0.4.jar" usetimestamp="true"
ignoreerrors="true" src="${commons-logging-1.0.4.jar}">
</get>
... (more get lines here)
</target>
...
If this seems like something you would consider adding to the ant plugin, I'll
write some documentation for the new property and then I'll send a patch for
review.
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View this comment:
http://jira.codehaus.org/browse/MPANT-20?page=comments#action_28907
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View the issue:
http://jira.codehaus.org/browse/MPANT-20
Here is an overview of the issue:
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Key: MPANT-20
Summary: Allow URL substitutions in generated build.xml files
Type: Improvement
Status: Open
Priority: Major
Original Estimate: Unknown
Time Spent: Unknown
Remaining: Unknown
Project: maven-ant-plugin
Assignee: Arnaud HERITIER
Reporter: Craig McClanahan
Created: Wed, 1 Dec 2004 1:34 AM
Updated: Thu, 13 Jan 2005 4:25 PM
Environment: Java
Description:
Issue MPANT-7 contemplates improvements to the generated build.xml file that is
produced by this plugin, but it does not deal with a use case that I am facing.
In various Jakarta Commons packages that I participate in, we like to cater to
users who like Ant as well as those who like Maven as their build tool. To
accomodate the Ant users, we have a developer periodically generate the
build.xml file (using this plugin) and check it in to our CVS repository. For
the most part, this approach is functional -- although I'll quibble about the
fact that "ant clean dist" cleans out the downloaded dependencies, so my
nightly builds of Commons packages always have to download them again, but
that's a different issue :-).
However, this situation fails with dependencies that cannot be publicly posted
on a Maven repository. In particular, this currently affects Commons Email
(which needs JavaMail and JAF jars) and Commons Chain (which needs JavaServer
Faces API jars), which cannot be posted in a repository due to license
restrictions. The changes for MPANT-7 seem to help if the same person is both
generating the build.xml file and executing it (with overrides in your local
project properties). But it doesn't help when someone *else* is going to
download and execute the build.xml file.
I suggest changes to the generated build.xml file along the following lines:
* Add a '<property file="build.properties"/>' element at the top
of the generated script, to pick up local property overrides.
* For each dependency where you are going to generate a <get>
command, create an Ant property that defines the default URL
from which to retrieve that dependency.
* In the actual <get> tasks, use the Ant property instead of a
hard coded URL based on the default repository.
In this way, I can point at any particular repository -- or, for that matter,
to any local file if I create a file: URL -- for any given dependency. This
allows users of the generated build.xml file to point at their own copies of
non-redistributable JAR files, without impacting the generated build.xml file
itself (which is obviously preferable to hand editing the generated file each
time it is recreated).
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