Each plugin should have a help goal
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Key: MNG-3110
URL: http://jira.codehaus.org/browse/MNG-3110
Project: Maven 2
Issue Type: New Feature
Components: Documentation: General, Plugins and Lifecycle
Reporter: Tobias Roeser
Each maven plugin should have a help goal, to describe itself.
Example:
# mvn dependency:help
Maven Dependency Plugin Version 2.0-alpha-2
Goals:
dependency:copy takes a list of artifacts defined in the plugin configuration
section and copies them to a specified location, renaming them or stripping the
version if desired. This goal can resolve the artifacts from remote
repositories if they don't exist in local.
dependency:copy-dependencies takes the list of project direct dependencies
and optionally transitive dependencies and copies them to a specified location,
stripping the version if desired. This goal can also be run from the command
line.
dependency:unpack like copy but unpacks.
dependency:unpack-dependencies like copy-dependencies but unpacks.
dependency:resolve tells Maven to resolve all dependencies and displays the
version.
dependency:sources tells Maven to resolve all dependencies and their source
attachments, and displays the version.
dependency:resolve-plugins Tells Maven to resolve plugins and their
dependencies.
dependency:go-offline tells Maven to resolve everything this project is
dependent on (dependencies, plugins, reports) in preparation for going offline.
dependency:purge-local-repository tells Maven to clear all
dependency-artifact files out of the local repository, and optionally
re-resolve them.
dependency:build-classpath tells Maven to output the path of the dependencies
from the local repository in a classpath format to be used in java -cp
dependency:analyze analyzes your project's dependencies and lists
dependencies that should be declared, but are not, and dependencies that are
declared but unused.
dependency:analyze-dep-mgt analyzes your projects dependencies and lists
mismatches between resolved dependencies and those listed in your
dependencyManagement section.
dependency:tree prints out the dependency tree for the project.
It would be relatively easy to automatically generate a list of supported goals
for each plugin. Not knowing, which goals a plugin supports and always beeing
forced to find a web site online (which will often be out of date) is very
annoying and not state of the art. E.g. Subversion is self descriptive.
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