fix: Enable stricter task validation, resolve warnings

Author: zml2008

build.gradle.kts

@@ -145,6 +145,10 @@ indraPluginPublishing {
   website("https://blossom.kyori.net/")
 }
 
+tasks.validatePlugins {
+  enableStricterValidation = true
+}
+
 spotless {
   fun FormatExtension.applyCommon() {
     endWithNewline()

src/main/java/net/kyori/blossom/GenerateTemplates.java

@@ -32,12 +32,16 @@
 import org.gradle.api.file.ConfigurableFileCollection;
 import org.gradle.api.file.DirectoryProperty;
 import org.gradle.api.provider.Property;
+import org.gradle.api.tasks.CacheableTask;
 import org.gradle.api.tasks.Classpath;
 import org.gradle.api.tasks.InputFiles;
 import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.OutputDirectory;
+import org.gradle.api.tasks.PathSensitive;
+import org.gradle.api.tasks.PathSensitivity;
 import org.gradle.api.tasks.SkipWhenEmpty;
 import org.gradle.api.tasks.TaskAction;
+import org.gradle.work.DisableCachingByDefault;
 import org.gradle.workers.WorkerExecutor;
 import org.jspecify.annotations.NullMarked;
 
@@ -47,6 +51,7 @@
  * @since 2.0.0
  */
 @NullMarked
+@DisableCachingByDefault(because = "Template logic might not be reproducible, cost of generating templates is small.")
 public abstract class GenerateTemplates extends DefaultTask {
 
   /**
@@ -67,6 +72,7 @@ public abstract class GenerateTemplates extends DefaultTask {
    * @since 2.0.0
    */
   @InputFiles
+  @PathSensitive(PathSensitivity.RELATIVE)
   protected abstract ConfigurableFileCollection getIncludesDirectories();
 
   /**
@@ -77,6 +83,7 @@ public abstract class GenerateTemplates extends DefaultTask {
    */
   @InputFiles
   @SkipWhenEmpty
+  @PathSensitive(PathSensitivity.RELATIVE)
   protected abstract ConfigurableFileCollection getSourceDirectories();
 
   /**

src/main/java/net/kyori/blossom/TemplateSet.java

@@ -35,6 +35,8 @@
 import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.Optional;
+import org.gradle.api.tasks.PathSensitive;
+import org.gradle.api.tasks.PathSensitivity;
 import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
@@ -71,6 +73,7 @@ public interface TemplateSet extends Named {
    * @since 2.0.0
    */
   @InputFiles
+  @PathSensitive(PathSensitivity.RELATIVE)
   ConfigurableFileCollection getPropertyFiles();
 
   /**

src/main/java/net/kyori/blossom/Variant.java

@@ -27,6 +27,8 @@
 import org.gradle.api.provider.MapProperty;
 import org.gradle.api.tasks.Input;
 import org.gradle.api.tasks.InputFiles;
+import org.gradle.api.tasks.PathSensitive;
+import org.gradle.api.tasks.PathSensitivity;
 import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
@@ -57,6 +59,7 @@ public interface Variant extends Named {
    * @since 2.0.0
    */
   @InputFiles
+  @PathSensitive(PathSensitivity.RELATIVE)
   ConfigurableFileCollection getPropertyFiles();
 
   /**