Register push tasks for every image definition

These push tasks allow to specify --name and --tag options

src/main/kotlin/io/github/sgtsilvio/gradle/oci/OciPlugin.kt

@@ -2,21 +2,48 @@ package io.github.sgtsilvio.gradle.oci
 
 import io.github.sgtsilvio.gradle.oci.attributes.DISTRIBUTION_TYPE_ATTRIBUTE
 import io.github.sgtsilvio.gradle.oci.dsl.OciExtension
+import io.github.sgtsilvio.gradle.oci.internal.concatCamelCase
 import io.github.sgtsilvio.gradle.oci.internal.dsl.OciExtensionImpl
+import io.github.sgtsilvio.gradle.oci.internal.mainToEmpty
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.kotlin.dsl.create
+import org.gradle.kotlin.dsl.invoke
+import org.gradle.kotlin.dsl.register
 
 /**
  * @author Silvio Giebl
  */
 class OciPlugin : Plugin<Project> {
 
     override fun apply(project: Project) {
-        project.extensions.create(OciExtension::class, EXTENSION_NAME, OciExtensionImpl::class)
         project.dependencies.attributesSchema.attribute(DISTRIBUTION_TYPE_ATTRIBUTE)
+        val extension = project.extensions.create(OciExtension::class, EXTENSION_NAME, OciExtensionImpl::class)
+        registerPushTasks(project, extension)
+    }
+
+    private fun registerPushTasks(project: Project, extension: OciExtension) {
+        extension.imageDefinitions.all {
+            val imageDefName = name
+            val pushName = "push".concatCamelCase(name.mainToEmpty())
+            val pushTask = project.tasks.register<OciPushSingleTask>(pushName.concatCamelCase("ociImage"))
+            val pushImageDependencies = extension.imageDependencies.create(pushName) {
+                add(project) {
+                    capabilities {
+                        for (capability in capabilities.set.get()) {
+                            requireCapability("${capability.group}:${capability.name}")
+                        }
+                    }
+                }.name(pushTask.flatMap { it.imageName }).tag(pushTask.flatMap { it.imageTags })
+            }
+            pushTask {
+                group = TASK_GROUP_NAME
+                description = "Pushes the $imageDefName OCI image to a registry."
+                from(pushImageDependencies)
+            }
+        }
     }
 }
 
 const val EXTENSION_NAME = "oci"
-const val TASK_GROUP_NAME = "oci"
+const val TASK_GROUP_NAME = "oci"

src/main/kotlin/io/github/sgtsilvio/gradle/oci/OciPushSingleTask.kt

@@ -0,0 +1,30 @@
+package io.github.sgtsilvio.gradle.oci
+
+import org.gradle.api.tasks.Internal
+import org.gradle.api.tasks.options.Option
+import org.gradle.kotlin.dsl.property
+import org.gradle.kotlin.dsl.setProperty
+import org.gradle.work.DisableCachingByDefault
+import org.gradle.workers.WorkerExecutor
+import javax.inject.Inject
+
+/**
+ * @author Silvio Giebl
+ */
+@DisableCachingByDefault(because = "Pushing to an external registry")
+abstract class OciPushSingleTask @Inject constructor(workerExecutor: WorkerExecutor) : OciPushTask(workerExecutor) {
+
+    @get:Internal
+    @get:Option(
+        option = "name",
+        description = "Names the image. If not specified the imageName defined in the image definition is used.",
+    )
+    val imageName = project.objects.property<String>()
+
+    @get:Internal
+    @get:Option(
+        option = "tag",
+        description = "Tags the image. Option can be specified multiple times. The value '.' translates to the imageTag defined in the image definition. If not specified the imageTag defined in the image definition is used.",
+    )
+    val imageTags = project.objects.setProperty<String>()
+}