1 files changed, 46 insertions, 0 deletions
diff --git a/build-logic/android-plugins/src/main/kotlin/versioning/VersioningTask.kt b/build-logic/android-plugins/src/main/kotlin/versioning/VersioningTask.kt
new file mode 100644
index 00000000..fe437c04
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/versioning/VersioningTask.kt
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package versioning
+
+import com.vdurmont.semver4j.Semver
+import org.gradle.api.DefaultTask
+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 VersioningTask : DefaultTask() {
+  @get:Input abstract val semverString: Property<String>
+
+  @get:OutputFile abstract val propertyFile: RegularFileProperty
+
+  /** Generate the Android 'versionCode' property */
+  private fun Semver.androidCode(): Int {
+    return major * 1_00_00 + minor * 1_00 + patch
+  }
+
+  private fun Semver.toPropFileText(): String {
+    val newVersionCode = androidCode()
+    val newVersionName = toString()
+    return buildString {
+      appendLine(VERSIONING_PROP_COMMENT)
+      append(VERSIONING_PROP_VERSION_CODE)
+      append('=')
+      appendLine(newVersionCode)
+      append(VERSIONING_PROP_VERSION_NAME)
+      append('=')
+      appendLine(newVersionName)
+    }
+  }
+
+  @TaskAction
+  fun execute() {
+    propertyFile.get().asFile.writeText(Semver(semverString.get()).toPropFileText())
+  }
+}