Modified subcommand to give precedence on alias's documentation reference, if present

Author: andsel

src/main/java/dev/jbang/cli/Info.java

@@ -2,7 +2,7 @@
 
 import static dev.jbang.Settings.CP_SEPARATOR;
 
-import java.awt.*;
+import java.awt.Desktop;
 import java.io.IOException;
 import java.lang.reflect.Field;
 import java.net.URI;
@@ -24,6 +24,9 @@
 import dev.jbang.devkitman.Jdk;
 import dev.jbang.devkitman.JdkManager;
 import dev.jbang.source.*;
+import dev.jbang.source.resolvers.AliasResourceResolver;
+import dev.jbang.source.resolvers.LazyResourceResolver;
+import dev.jbang.source.resolvers.SiblingResourceResolver;
 import dev.jbang.util.JavaUtil;
 import dev.jbang.util.ModuleUtil;
 
@@ -182,10 +185,25 @@ private void init(BuildContext ctx) {
 			}
 			gav = prj.getGav().orElse(null);
 			description = prj.getDescription().orElse(null);
-			docs = prj.getDocs().orElse(null);
+			initDocsReference(prj);
+
 			module = prj.getModuleName().orElse(null);
 		}
 
+		private void initDocsReference(Project prj) {
+			docs = prj.getDocs().orElse(null);
+
+			// check if an alias exists and override docs directive with alias's resolved ResourceRef
+			ResourceRef resourceRef = prj.getResourceRef();
+			if (resourceRef instanceof AliasResourceResolver.AliasedResourceRef) {
+				AliasResourceResolver.AliasedResourceRef aliasedResourceRef = (AliasResourceResolver.AliasedResourceRef) resourceRef;
+				ResourceResolver resolver1 = new SiblingResourceResolver(resourceRef, ResourceResolver.forResources());
+				if (aliasedResourceRef.getAlias().docs != null) {
+					docs = LazyResourceResolver.lazy(resolver1).resolve(aliasedResourceRef.getAlias().docs);
+				}
+			}
+		}
+
 		private void init(SourceSet ss) {
 			List<String> deps = ss.getDependencies();
 			if (!deps.isEmpty()) {