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https://issues.apache.org/jira/browse/MCHECKSTYLE-431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17860747#comment-17860747
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Alexis Jehan commented on MCHECKSTYLE-431:
------------------------------------------
Checkstyle only applies to Java, and a Maven module with a pom packaging value
does not have any Java code. So we could exclude those projects the same way
the Javadoc plugin is doing.
> Avoid creating unnecessary target files for pom projects
> --------------------------------------------------------
>
> Key: MCHECKSTYLE-431
> URL: https://issues.apache.org/jira/browse/MCHECKSTYLE-431
> Project: Maven Checkstyle Plugin
> Issue Type: Improvement
> Components: checkstyle:check
> Affects Versions: 3.2.1
> Reporter: Alexis Jehan
> Priority: Minor
>
> Because pom projects do not have Java code, It is not necessary to create
> "target/checkstyle-cachefile", "target/checkstyle-checker.xml",
> "target/checkstyle-result.xml" and "target/checkstyle-suppressions.xml" files
> for these projects.
> Maven configuration:
> {code:xml}
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-checkstyle-plugin</artifactId>
> <version>3.2.1</version>
> <dependencies>
> <dependency>
> <groupId>com.puppycrawl.tools</groupId>
> <artifactId>checkstyle</artifactId>
> <version>10.9.3</version>
> </dependency>
> </dependencies>
> <configuration>
> <configLocation>checkstyle.xml</configLocation>
>
> <suppressionsLocation>checkstyle-suppressions.xml</suppressionsLocation>
> <includeTestSourceDirectory>true</includeTestSourceDirectory>
> <violationSeverity>info</violationSeverity>
> </configuration>
> <executions>
> <execution>
> <id>checkstyle-check</id>
> <phase>validate</phase>
> <goals>
> <goal>check</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> {code}
> Maven output:
> {noformat}
> [INFO] --- checkstyle:3.2.1:check (checkstyle-check) @ parent-project ---
> [INFO] You have 0 Checkstyle violations.
> {noformat}
> Content of the generated "target/checkstyle-result.xml":
> {code:xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <checkstyle version="10.9.3">
> </checkstyle>
> {code}
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