[MNG-8362] Adding some missing config properties

api/maven-api-core/src/main/java/org/apache/maven/api/Constants.java

@@ -312,14 +312,25 @@ public final class Constants {
 
     /**
      * User property for chained LRM: list of "tail" local repository paths (separated by comma), to be used with
-     * {@code org.eclipse.aether.util.repository.ChainedLocalRepositoryManager}.
+     * <code>org.eclipse.aether.util.repository.ChainedLocalRepositoryManager</code>.
      * Default value: <code>null</code>, no chained LRM is used.
      *
      * @since 3.9.0
      */
     @Config
     public static final String MAVEN_REPO_LOCAL_TAIL = "maven.repo.local.tail";
 
+    /**
+     * User property for chained LRM: whether to ignore "availability check" in tail or not. Usually you do want
+     * to ignore it. This property is mapped onto corresponding Resolver 2.x property, is like a synonym for it.
+     * Default value: <code>true</code>.
+     *
+     * @since 3.9.0
+     * @see <a href="https://maven.apache.org/resolver/configuration.html">Resolver Configuration: aether.chainedLocalRepository.ignoreTailAvailability</a>
+     */
+    @Config
+    public static final String MAVEN_REPO_LOCAL_TAIL_IGNORE_AVAILABILITY = "maven.repo.local.tail.ignoreAvailability";
+
     /**
      * User property for reverse dependency tree. If enabled, Maven will record ".tracking" directory into local
      * repository with "reverse dependency tree", essentially explaining WHY given artifact is present in local
@@ -386,5 +397,28 @@ public final class Constants {
     @Config(type = "java.lang.Boolean", defaultValue = "true")
     public static final String MAVEN_CONSUMER_POM = "maven.consumer.pom";
 
+    /**
+     * User property for disabling version resolver cache.
+     *
+     * @since 3.0.0
+     */
+    @Config(type = "java.lang.Boolean", defaultValue = "false")
+    public static final String MAVEN_VERSION_RESOLVER_NO_CACHE = "maven.versionResolver.noCache";
+
+    /**
+     * User property for overriding calculated "build number" for snapshot deploys. Caution: this property should
+     * be RARELY used (if used at all). It may help in special cases like "aligning" a reactor build subprojects
+     * build numbers to perform a "snapshot lock down". Value given here must be <code>maxRemoteBuildNumber + 1</code>
+     * or greater, otherwise build will fail. How the number to be obtained is left to user (ie by inspecting
+     * snapshot repository metadata or alike).
+     *
+     * Note: this feature is present in Maven 3.9.7 but with different key: <code>maven.buildNumber</code>. In Maven 4
+     * as part of cleanup effort this key was renamed to properly reflect its purpose.
+     *
+     * @since 4.0.0
+     */
+    @Config(type = "java.lang.Integer")
+    public static final String MAVEN_DEPLOY_SNAPSHOT_BUILD_NUMBER = "maven.deploy.snapshot.buildNumber";
+
     private Constants() {}
 }

impl/maven-core/src/main/java/org/apache/maven/internal/aether/DefaultRepositorySystemSessionFactory.java

@@ -69,6 +69,7 @@
 import org.eclipse.aether.util.graph.version.PredicateVersionFilter;
 import org.eclipse.aether.util.listener.ChainedRepositoryListener;
 import org.eclipse.aether.util.repository.AuthenticationBuilder;
+import org.eclipse.aether.util.repository.ChainedLocalRepositoryManager;
 import org.eclipse.aether.util.repository.DefaultAuthenticationSelector;
 import org.eclipse.aether.util.repository.DefaultMirrorSelector;
 import org.eclipse.aether.util.repository.DefaultProxySelector;
@@ -401,6 +402,12 @@ public SessionBuilder newRepositorySessionBuilder(MavenExecutionRequest request)
                     .forEach(paths::add);
         }
         sessionBuilder.withLocalRepositoryBaseDirectories(paths);
+        // Pass over property supported by Maven 3.9.x
+        if (mergedProps.containsKey(Constants.MAVEN_REPO_LOCAL_TAIL_IGNORE_AVAILABILITY)) {
+            configProps.put(
+                    ChainedLocalRepositoryManager.CONFIG_PROP_IGNORE_TAIL_AVAILABILITY,
+                    mergedProps.get(Constants.MAVEN_REPO_LOCAL_TAIL_IGNORE_AVAILABILITY));
+        }
 
         for (RepositorySystemSessionExtender extender : sessionExtenders.values()) {
             extender.extend(request, configProps, mirrorSelector, proxySelector, authSelector);

impl/maven-impl/src/main/java/org/apache/maven/internal/impl/resolver/DefaultVersionResolver.java

@@ -29,6 +29,7 @@
 import java.util.Map;
 import java.util.Objects;
 
+import org.apache.maven.api.Constants;
 import org.apache.maven.api.di.Inject;
 import org.apache.maven.api.di.Named;
 import org.apache.maven.api.di.Singleton;
@@ -104,7 +105,7 @@ public VersionResult resolveVersion(RepositorySystemSession session, VersionRequ
 
         Key cacheKey = null;
         RepositoryCache cache = session.getCache();
-        if (cache != null && !ConfigUtils.getBoolean(session, false, "aether.versionResolver.noCache")) {
+        if (cache != null && !ConfigUtils.getBoolean(session, false, Constants.MAVEN_VERSION_RESOLVER_NO_CACHE)) {
             cacheKey = new Key(session, request);
 
             Object obj = cache.get(session, cacheKey);

impl/maven-impl/src/main/java/org/apache/maven/internal/impl/resolver/RemoteSnapshotMetadataGenerator.java

@@ -24,6 +24,7 @@
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+import org.apache.maven.api.Constants;
 import org.eclipse.aether.RepositorySystemSession;
 import org.eclipse.aether.artifact.Artifact;
 import org.eclipse.aether.deployment.DeployRequest;
@@ -46,7 +47,7 @@ class RemoteSnapshotMetadataGenerator implements MetadataGenerator {
 
     RemoteSnapshotMetadataGenerator(RepositorySystemSession session, DeployRequest request) {
         timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime");
-        Object bn = ConfigUtils.getObject(session, null, "maven.buildNumber");
+        Object bn = ConfigUtils.getObject(session, null, Constants.MAVEN_DEPLOY_SNAPSHOT_BUILD_NUMBER);
         if (bn instanceof Integer) {
             this.buildNumber = (Integer) bn;
         } else if (bn instanceof String) {