michael-o commented on code in PR #762:
URL: https://github.com/apache/maven-surefire/pull/762#discussion_r1688680611
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maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java:
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@@ -319,25 +320,44 @@ public abstract class AbstractSurefireMojo extends
AbstractMojo implements Suref
*/
@Deprecated
@Parameter
- private Properties systemProperties;
+ Properties systemProperties;
/**
* List of System properties to pass to a provider.
* The effective system properties given to a provider are contributed
from several sources:
* <ol>
+ * <li>properties set via {@link #argLine} with {@code -D} (only for
forked executions)</li>
* <li>{@link #systemProperties}</li>
* <li>{@link AbstractSurefireMojo#getSystemPropertiesFile()} (set via
parameter {@code systemPropertiesFile} on some goals)</li>
* <li>{@link #systemPropertyVariables}</li>
- * <li>User properties from {@link MavenSession#getUserProperties()},
usually set via CLI options given with {@code -D}</li>
+ * <li>User properties from {@link MavenSession#getUserProperties()},
usually set via CLI options given with {@code -D} on the current Maven process
(only used as source if {@link #useUserPropertiesAsSystemProperty} is {@code
true})</li>
* </ol>
* Later sources may overwrite same named properties from earlier sources,
that means for example that one cannot overwrite user properties with either
- * {@link #systemProperties}, {@link
AbstractSurefireMojo#getSystemPropertiesFile()} or {@link
#systemPropertyVariables}.
+ * {@link #systemProperties}, {@link #getSystemPropertiesFile()} or {@link
#systemPropertyVariables}.
+ * <p>
+ * Certain properties may only be overwritten via {@link #argLine}
(applicable only for forked executions) because their values are cached and
only evaluated at the start of the JRE.
+ * Those include:
+ * <ul>
+ * <li>{@code java.library.path}</li>
+ * <li>{@code file.encoding}</li>
+ * <li>{@code jdk.map.althashing.threshold}</li>
+ * <li>{@code line.separator}</li>
+ * </ul>
*
* @since 2.5
* @see #systemProperties
*/
@Parameter
- private Map<String, String> systemPropertyVariables;
+ Map<String, String> systemPropertyVariables;
+
+ /**
+ * If set to {@code true} will also pass all user properties exposed via
{@link MavenSession#getUserProperties()} as system properties to a provider.
+ * Those always take precedence over same named system properties set via
any other means.
+ * @since 3.4.0
+ * @see #systemPropertyVariables
+ */
+ @Parameter(defaultValue = "true")
+ boolean useUserPropertiesAsSystemProperty;
Review Comment:
yes, maybe or `promoteUserPropertiesToSystemProperties`. The term "promote"
we use in Maven Core as well.
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