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https://issues.apache.org/jira/browse/MNG-7038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17706355#comment-17706355
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ASF GitHub Bot commented on MNG-7038:
-------------------------------------
gnodet commented on code in PR #1061:
URL: https://github.com/apache/maven/pull/1061#discussion_r1151777611
##########
maven-core/src/main/java/org/apache/maven/plugin/PluginParameterExpressionEvaluator.java:
##########
@@ -165,7 +165,11 @@ public Object evaluate(String expr, Class<?> type) throws
ExpressionEvaluationEx
MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();
- if ("localRepository".equals(expression)) {
+ if ("rootdir".equals(expression) ||
"session.rootdir".equals(expression)) {
+ value = session.getRootdir();
+ } else if ("topdir".equals(expression) ||
"session.topdir".equals(expression)) {
+ value = session.getTopdir();
Review Comment:
@michael-o fwiw, the addition of `rootdir` and `topdir` was done to be in
line with `basedir`, so maybe we should deprecate that one ? I'll raise a PR
to clean at least the v4 expression evaluator, as plugins will have to migrate
to switch to it anyway.
> Introduce public property to point to a root directory of (multi-module)
> project
> --------------------------------------------------------------------------------
>
> Key: MNG-7038
> URL: https://issues.apache.org/jira/browse/MNG-7038
> Project: Maven
> Issue Type: Improvement
> Reporter: Envious Guest
> Priority: Major
> Fix For: Issues to be reviewed for 4.x
>
>
> This is a request to expose a property *maven.multiModuleProjectDirectory*
> which is currently internal (or introduce a brand new one with analogous
> functionality).
> * For a single-module project, its value should be same as *project.basedir*
> * For multi-module project, its value should point to a project.basedir of a
> root module
> Example:
> multi-module // located at /home/me/sources
> +- module-a
> +- module B
> Sample multi-module/pom.xml:
> {{<project>}}
> {{ <parent>}}
> {{ <groupId>com.acme</groupId>}}
> {{ <artifactId>corp-parent</artifactId>}}
> {{ <version>1.0.0-RELEASE</version>}}
> {{ </parent>}}
> {{ <groupId>com.acme</groupId>}}
> {{ <artifactId>multi-module</artifactId>}}
> {{ <version>0.5.2-SNAPSHOT</version>}}
> {{ <modules>}}
> {{ <module>module-a</module>}}
> {{ <module>module-b</module>}}
> {{ </modules>}}
> {{</project>}}
> The property requested should return /home/me/sources/multi-module,
> regardless of whether it's referenced in any of the child modules (module-a,
> module-b) or in multi-module.
> Note that multi-module itself has parent (e.g. installed in a local
> repository), so the new property should be smart enough to detect it and
> still point to /home/me/sources/multi-module instead of the local repository
> where the corp-parent is installed.
> The use-case for such a property could be to have a directory for combined
> report of static analysis tools. Typical example - jacoco combined coverage
> reports.
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