common: Declare a minimum gradle version for common module

Author: zml2008

indra-common/src/main/java/net/kyori/indra/Indra.java

@@ -26,9 +26,17 @@
 import net.kyori.indra.internal.IndraExtensionImpl;
 import net.kyori.mammoth.Extensions;
 import org.gradle.api.plugins.ExtensionContainer;
+import org.gradle.util.GradleVersion;
 import org.jetbrains.annotations.NotNull;
 
 public class Indra {
+
+  /**
+   * The minimum supported Gradle version for the Indra suite.
+   *
+   * @since 3.0.0
+   */
+  public static final GradleVersion MINIMUM_SUPPORTED = GradleVersion.version("7.5");
   public static final String EXTENSION_NAME = "indra";
   public static final String PUBLICATION_NAME = "maven";
 

indra-common/src/main/java/net/kyori/indra/IndraCheckstylePlugin.java

@@ -36,7 +36,9 @@
 import org.gradle.api.plugins.quality.CheckstylePlugin;
 import org.gradle.api.tasks.TaskContainer;
 import org.gradle.language.base.plugins.LifecycleBasePlugin;
+import org.gradle.util.GradleVersion;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * Configure Gradle's built-in {@code checkstyle} plugin.
@@ -48,6 +50,11 @@ public class IndraCheckstylePlugin implements ProjectPlugin {
 
   private static final String CHECKSTYLE_CONFIGURATION = "checkstyle";
 
+  @Override
+  public @Nullable GradleVersion minimumGradleVersion() {
+    return Indra.MINIMUM_SUPPORTED;
+  }
+
   @Override
   public void apply(final @NotNull Project project, final @NotNull PluginContainer plugins, final @NotNull ExtensionContainer extensions, final @NotNull TaskContainer tasks) {
     plugins.apply(CheckstylePlugin.class);

indra-common/src/main/java/net/kyori/indra/IndraPlugin.java

@@ -67,6 +67,7 @@
 import org.gradle.plugins.ide.eclipse.model.EclipseModel;
 import org.gradle.util.GradleVersion;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * The primary Indra plugin providing project configuration.
@@ -77,6 +78,11 @@ public class IndraPlugin implements ProjectPlugin {
   private static final String DIFFPLUG_GOOMPH_APT = "com.diffplug.eclipse.apt";
   private static final String[] APT_TASKS = {"eclipseJdtApt", "eclipseJdt", "eclipseFactorypath"};
 
+  @Override
+  public @Nullable GradleVersion minimumGradleVersion() {
+    return Indra.MINIMUM_SUPPORTED;
+  }
+
   @Override
   public void apply(final @NotNull Project project, final @NotNull PluginContainer plugins, final @NotNull ExtensionContainer extensions, final @NotNull TaskContainer tasks) {
     plugins.apply(JavaLibraryPlugin.class);

indra-common/src/main/java/net/kyori/indra/internal/AbstractIndraPublishingPlugin.java

@@ -51,11 +51,18 @@
 import org.gradle.plugins.signing.Sign;
 import org.gradle.plugins.signing.SigningExtension;
 import org.gradle.plugins.signing.SigningPlugin;
+import org.gradle.util.GradleVersion;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 public abstract class AbstractIndraPublishingPlugin implements ProjectPlugin {
   private static final String FORCE_SIGN_PROPERTY = "forceSign";
 
+  @Override
+  public @Nullable GradleVersion minimumGradleVersion() {
+    return Indra.MINIMUM_SUPPORTED;
+  }
+
   @Override
   public void apply(final @NotNull Project project, final @NotNull PluginContainer plugins, final @NotNull ExtensionContainer extensions, final @NotNull TaskContainer tasks) {
     plugins.apply(MavenPublishPlugin.class);