1 files changed, 46 insertions, 0 deletions
diff --git a/build-logic/automation-plugins/src/main/kotlin/psl/PSLUpdateTask.kt b/build-logic/automation-plugins/src/main/kotlin/psl/PSLUpdateTask.kt
new file mode 100644
index 00000000..e8fdc498
--- /dev/null
+++ b/build-logic/automation-plugins/src/main/kotlin/psl/PSLUpdateTask.kt
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package psl
+
+import okio.buffer
+import okio.sink
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.RegularFile
+import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.CacheableTask
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.OutputFile
+import org.gradle.api.tasks.TaskAction
+
+@CacheableTask
+abstract class PSLUpdateTask : DefaultTask() {
+  @get:Input abstract val pslData: Property<PublicSuffixListData>
+  @get:OutputFile abstract val outputFile: RegularFileProperty
+
+  @TaskAction
+  fun updatePSL() {
+    writeListToDisk(outputFile.get(), pslData.get())
+  }
+
+  private fun writeListToDisk(destination: RegularFile, data: PublicSuffixListData) {
+    val fileSink = destination.asFile.sink()
+
+    fileSink.buffer().use { sink ->
+      sink.writeInt(data.totalRuleBytes)
+
+      for (domain in data.sortedRules) {
+        sink.write(domain).writeByte('\n'.toInt())
+      }
+
+      sink.writeInt(data.totalExceptionRuleBytes)
+
+      for (domain in data.sortedExceptionRules) {
+        sink.write(domain).writeByte('\n'.toInt())
+      }
+    }
+  }
+}