all: re-do package structure yet again

15 files changed, 599 insertions, 0 deletions

diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/AndroidCommon.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/AndroidCommon.kt
new file mode 100644
index 00000000..b90666c9
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/AndroidCommon.kt
@@ -0,0 +1,47 @@
+package app.passwordstore.gradle
+
+import app.passwordstore.gradle.flavors.configureSlimTests
+import com.android.build.gradle.TestedExtension
+import org.gradle.api.JavaVersion
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+
+@Suppress("UnstableApiUsage")
+object AndroidCommon {
+  fun configure(project: Project) {
+    project.extensions.configure<TestedExtension> {
+      setCompileSdkVersion(32)
+      defaultConfig {
+        minSdk = 23
+        targetSdk = 31
+      }
+
+      sourceSets {
+        named("main") { java.srcDirs("src/main/kotlin") }
+        named("test") { java.srcDirs("src/test/kotlin") }
+        named("androidTest") { java.srcDirs("src/androidTest/kotlin") }
+      }
+
+      packagingOptions {
+        resources.excludes.add("**/*.version")
+        resources.excludes.add("**/*.txt")
+        resources.excludes.add("**/*.kotlin_module")
+        resources.excludes.add("**/plugin.properties")
+        resources.excludes.add("**/META-INF/AL2.0")
+        resources.excludes.add("**/META-INF/LGPL2.1")
+      }
+
+      compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+      }
+
+      testOptions {
+        animationsDisabled = true
+        unitTests.isReturnDefaultValues = true
+      }
+
+      project.configureSlimTests()
+    }
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/ApplicationPlugin.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/ApplicationPlugin.kt
new file mode 100644
index 00000000..bf759b3c
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/ApplicationPlugin.kt
@@ -0,0 +1,81 @@
+@file:Suppress("UnstableApiUsage")
+
+package app.passwordstore.gradle
+
+import app.passwordstore.gradle.flavors.FlavorDimensions
+import app.passwordstore.gradle.flavors.ProductFlavors
+import app.passwordstore.gradle.signing.configureBuildSigning
+import app.passwordstore.gradle.snapshot.SnapshotExtension
+import com.android.build.gradle.AppPlugin
+import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.dependencies
+import org.gradle.kotlin.dsl.getByType
+import org.gradle.kotlin.dsl.the
+
+@Suppress("Unused")
+class ApplicationPlugin : Plugin<Project> {
+
+  override fun apply(project: Project) {
+    project.pluginManager.apply(AppPlugin::class)
+    AndroidCommon.configure(project)
+    project.extensions.getByType<BaseAppModuleExtension>().run {
+      val minifySwitch = project.providers.environmentVariable("DISABLE_MINIFY")
+
+      adbOptions.installOptions("--user 0")
+
+      dependenciesInfo {
+        includeInBundle = false
+        includeInApk = false
+      }
+
+      buildFeatures {
+        viewBinding = true
+        buildConfig = true
+      }
+
+      buildTypes {
+        named("release") {
+          isMinifyEnabled = !minifySwitch.isPresent
+          setProguardFiles(
+            listOf(
+              "proguard-android-optimize.txt",
+              "proguard-rules.pro",
+              "proguard-rules-missing-classes.pro",
+            )
+          )
+          buildConfigField("boolean", "ENABLE_DEBUG_FEATURES", "${project.isSnapshot()}")
+        }
+        named("debug") {
+          applicationIdSuffix = ".debug"
+          versionNameSuffix = "-debug"
+          isMinifyEnabled = false
+          buildConfigField("boolean", "ENABLE_DEBUG_FEATURES", "true")
+        }
+      }
+
+      flavorDimensions.add(FlavorDimensions.FREE)
+      productFlavors {
+        register(ProductFlavors.FREE) {}
+        register(ProductFlavors.NON_FREE) {}
+      }
+
+      project.configureBuildSigning()
+    }
+
+    project.dependencies {
+      extensions.add("snapshot", SnapshotExtension::class.java)
+      the<SnapshotExtension>().snapshot = project.isSnapshot()
+    }
+  }
+
+  private fun Project.isSnapshot(): Boolean {
+    with(project.providers) {
+      val workflow = environmentVariable("GITHUB_WORKFLOW")
+      val snapshot = environmentVariable("SNAPSHOT")
+      return workflow.isPresent || snapshot.isPresent
+    }
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/LibraryPlugin.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/LibraryPlugin.kt
new file mode 100644
index 00000000..22cc8ca3
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/LibraryPlugin.kt
@@ -0,0 +1,15 @@
+package app.passwordstore.gradle
+
+import com.android.build.gradle.LibraryPlugin
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+
+@Suppress("Unused")
+class LibraryPlugin : Plugin<Project> {
+
+  override fun apply(project: Project) {
+    project.pluginManager.apply(LibraryPlugin::class)
+    AndroidCommon.configure(project)
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/PublishedAndroidLibraryPlugin.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/PublishedAndroidLibraryPlugin.kt
new file mode 100644
index 00000000..acbb1eb2
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/PublishedAndroidLibraryPlugin.kt
@@ -0,0 +1,37 @@
+@file:Suppress("UnstableApiUsage")
+
+package app.passwordstore.gradle
+
+import com.vanniktech.maven.publish.MavenPublishBaseExtension
+import com.vanniktech.maven.publish.MavenPublishPlugin
+import com.vanniktech.maven.publish.SonatypeHost
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.getByType
+import org.gradle.kotlin.dsl.provideDelegate
+import org.gradle.plugins.signing.SigningExtension
+import org.gradle.plugins.signing.SigningPlugin
+
+@Suppress("Unused")
+class PublishedAndroidLibraryPlugin : Plugin<Project> {
+
+  override fun apply(project: Project) {
+    project.plugins.run {
+      apply(LibraryPlugin::class)
+      apply(MavenPublishPlugin::class)
+      apply(SigningPlugin::class)
+    }
+    project.extensions.getByType<MavenPublishBaseExtension>().run {
+      publishToMavenCentral(SonatypeHost.DEFAULT)
+      signAllPublications()
+    }
+    project.afterEvaluate {
+      project.extensions.getByType<SigningExtension>().run {
+        val signingKey: String? by project
+        val signingPassword: String? by project
+        useInMemoryPgpKeys(signingKey, signingPassword)
+      }
+    }
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/RenameArtifactsPlugin.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/RenameArtifactsPlugin.kt
new file mode 100644
index 00000000..04eb57e3
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/RenameArtifactsPlugin.kt
@@ -0,0 +1,37 @@
+package app.passwordstore.gradle
+
+import app.passwordstore.gradle.artifacts.CollectApksTask
+import app.passwordstore.gradle.artifacts.CollectBundleTask
+import com.android.build.api.artifact.SingleArtifact
+import com.android.build.api.variant.ApplicationAndroidComponentsExtension
+import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.getByType
+import org.gradle.kotlin.dsl.register
+
+@Suppress("Unused")
+class RenameArtifactsPlugin : Plugin<Project> {
+
+  override fun apply(project: Project) {
+    project.pluginManager.withPlugin("com.android.application") {
+      val android = project.extensions.getByType<BaseAppModuleExtension>()
+      project.extensions.getByType<ApplicationAndroidComponentsExtension>().run {
+        onVariants { variant ->
+          project.tasks.register<CollectApksTask>("collect${variant.name.capitalize()}Apks") {
+            variantName.set(variant.name)
+            apkFolder.set(variant.artifacts.get(SingleArtifact.APK))
+            builtArtifactsLoader.set(variant.artifacts.getBuiltArtifactsLoader())
+            outputDirectory.set(project.layout.projectDirectory.dir("outputs"))
+          }
+          project.tasks.register<CollectBundleTask>("collect${variant.name.capitalize()}Bundle") {
+            variantName.set(variant.name)
+            versionName.set(android.defaultConfig.versionName)
+            bundleFile.set(variant.artifacts.get(SingleArtifact.BUNDLE))
+            outputDirectory.set(project.layout.projectDirectory.dir("outputs"))
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/SentryPlugin.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/SentryPlugin.kt
new file mode 100644
index 00000000..c18e1b79
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/SentryPlugin.kt
@@ -0,0 +1,48 @@
+package app.passwordstore.gradle
+
+import app.passwordstore.gradle.flavors.FlavorDimensions
+import app.passwordstore.gradle.flavors.ProductFlavors
+import com.android.build.api.variant.ApplicationAndroidComponentsExtension
+import io.sentry.android.gradle.SentryPlugin
+import io.sentry.android.gradle.extensions.InstrumentationFeature
+import io.sentry.android.gradle.extensions.SentryPluginExtension
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.getByType
+
+@Suppress("Unused")
+class SentryPlugin : Plugin<Project> {
+
+  override fun apply(project: Project) {
+    project.pluginManager.withPlugin("com.android.application") {
+      project.extensions.getByType<ApplicationAndroidComponentsExtension>().run {
+        onVariants(selector().withFlavor(FlavorDimensions.FREE to ProductFlavors.NON_FREE)) {
+          variant ->
+          val sentryDsn = project.providers.environmentVariable(SENTRY_DSN_PROPERTY)
+          if (sentryDsn.isPresent) {
+            variant.manifestPlaceholders.put("sentryDsn", sentryDsn.get())
+          }
+        }
+      }
+      project.plugins.apply(SentryPlugin::class)
+      project.extensions.getByType<SentryPluginExtension>().run {
+        autoUploadProguardMapping.set(
+          project.providers.gradleProperty(SENTRY_UPLOAD_MAPPINGS_PROPERTY).isPresent
+        )
+        ignoredBuildTypes.set(setOf("debug"))
+        ignoredFlavors.set(setOf(ProductFlavors.FREE))
+        tracingInstrumentation {
+          enabled.set(true)
+          features.set(setOf(InstrumentationFeature.FILE_IO))
+        }
+        autoInstallation.enabled.set(false)
+      }
+    }
+  }
+
+  private companion object {
+    private const val SENTRY_DSN_PROPERTY = "SENTRY_DSN"
+    private const val SENTRY_UPLOAD_MAPPINGS_PROPERTY = "sentryUploadMappings"
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/artifacts/CollectApksTask.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/artifacts/CollectApksTask.kt
new file mode 100644
index 00000000..4f74136c
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/artifacts/CollectApksTask.kt
@@ -0,0 +1,44 @@
+package app.passwordstore.gradle.artifacts
+
+import com.android.build.api.variant.BuiltArtifactsLoader
+import java.nio.file.Files
+import java.nio.file.Paths
+import java.nio.file.StandardCopyOption
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.CacheableTask
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputFiles
+import org.gradle.api.tasks.Internal
+import org.gradle.api.tasks.OutputDirectory
+import org.gradle.api.tasks.PathSensitive
+import org.gradle.api.tasks.PathSensitivity
+import org.gradle.api.tasks.TaskAction
+
+/** Task to collect APKs in a given [outputDirectory]. */
+@CacheableTask
+abstract class CollectApksTask : DefaultTask() {
+  @get:InputFiles @get:PathSensitive(PathSensitivity.NONE) abstract val apkFolder: DirectoryProperty
+
+  @get:Input abstract val variantName: Property<String>
+
+  @get:Internal abstract val builtArtifactsLoader: Property<BuiltArtifactsLoader>
+
+  @get:OutputDirectory abstract val outputDirectory: DirectoryProperty
+
+  @TaskAction
+  fun run() {
+    val outputDir = outputDirectory.asFile.get()
+    outputDir.mkdirs()
+    val builtArtifacts =
+      builtArtifactsLoader.get().load(apkFolder.get()) ?: throw RuntimeException("Cannot load APKs")
+    builtArtifacts.elements.forEach { artifact ->
+      Files.copy(
+        Paths.get(artifact.outputFile),
+        outputDir.resolve("APS-${variantName.get()}-${artifact.versionName}.apk").toPath(),
+        StandardCopyOption.REPLACE_EXISTING,
+      )
+    }
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/artifacts/CollectBundleTask.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/artifacts/CollectBundleTask.kt
new file mode 100644
index 00000000..b627a674
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/artifacts/CollectBundleTask.kt
@@ -0,0 +1,33 @@
+package app.passwordstore.gradle.artifacts
+
+import java.nio.file.Files
+import java.nio.file.StandardCopyOption
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputFile
+import org.gradle.api.tasks.OutputDirectory
+import org.gradle.api.tasks.TaskAction
+
+abstract class CollectBundleTask : DefaultTask() {
+  @get:InputFile abstract val bundleFile: RegularFileProperty
+
+  @get:Input abstract val variantName: Property<String>
+
+  @get:Input abstract val versionName: Property<String>
+
+  @get:OutputDirectory abstract val outputDirectory: DirectoryProperty
+
+  @TaskAction
+  fun taskAction() {
+    val outputDir = outputDirectory.asFile.get()
+    outputDir.mkdirs()
+    Files.copy(
+      bundleFile.get().asFile.toPath(),
+      outputDir.resolve("APS-${variantName.get()}-${versionName.get()}.aab").toPath(),
+      StandardCopyOption.REPLACE_EXISTING,
+    )
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/flavors/ProductFlavors.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/flavors/ProductFlavors.kt
new file mode 100644
index 00000000..e4b5c739
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/flavors/ProductFlavors.kt
@@ -0,0 +1,15 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.gradle.flavors
+
+object FlavorDimensions {
+  const val FREE = "free"
+}
+
+object ProductFlavors {
+  const val FREE = "free"
+  const val NON_FREE = "nonFree"
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/flavors/SlimTests.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/flavors/SlimTests.kt
new file mode 100644
index 00000000..8755a872
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/flavors/SlimTests.kt
@@ -0,0 +1,44 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.gradle.flavors
+
+import com.android.build.api.variant.ApplicationAndroidComponentsExtension
+import com.android.build.api.variant.LibraryAndroidComponentsExtension
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.findByType
+import org.gradle.language.nativeplatform.internal.BuildType
+
+/**
+ * When the "slimTests" project property is provided, disable the unit test tasks on `release` build
+ * type and `nonFree` product flavor to avoid running the same tests repeatedly in different build
+ * variants.
+ *
+ * Examples: `./gradlew test -PslimTests` will run unit tests for `nonFreeDebug` and `debug` build
+ * variants in Android App and Library projects, and all tests in JVM projects.
+ */
+internal fun Project.configureSlimTests() {
+  if (providers.gradleProperty(SLIM_TESTS_PROPERTY).isPresent) {
+    // disable unit test tasks on the release build type for Android Library projects
+    extensions.findByType<LibraryAndroidComponentsExtension>()?.run {
+      beforeVariants(selector().withBuildType(BuildType.RELEASE.name)) {
+        it.enableUnitTest = false
+        it.enableAndroidTest = false
+      }
+    }
+
+    // disable unit test tasks on the release build type and free flavor for Android Application
+    // projects.
+    extensions.findByType<ApplicationAndroidComponentsExtension>()?.run {
+      beforeVariants(selector().withBuildType(BuildType.RELEASE.name)) { it.enableUnitTest = false }
+      beforeVariants(selector().withFlavor(FlavorDimensions.FREE to ProductFlavors.NON_FREE)) {
+        it.enableUnitTest = false
+        it.enableAndroidTest = false
+      }
+    }
+  }
+}
+
+private const val SLIM_TESTS_PROPERTY = "slimTests"
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/signing/AppSigning.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/signing/AppSigning.kt
new file mode 100644
index 00000000..4b5c7130
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/signing/AppSigning.kt
@@ -0,0 +1,36 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.gradle.signing
+
+import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
+import java.util.Properties
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+
+private const val KEYSTORE_CONFIG_PATH = "keystore.properties"
+
+/** Configure signing for all build types. */
+@Suppress("UnstableApiUsage")
+internal fun Project.configureBuildSigning() {
+  val keystoreConfigFile = rootProject.layout.projectDirectory.file(KEYSTORE_CONFIG_PATH)
+  if (keystoreConfigFile.asFile.exists()) {
+    extensions.configure<BaseAppModuleExtension> {
+      val contents = providers.fileContents(keystoreConfigFile).asText
+      val keystoreProperties = Properties()
+      keystoreProperties.load(contents.get().byteInputStream())
+      signingConfigs {
+        register("release") {
+          keyAlias = keystoreProperties["keyAlias"] as String
+          keyPassword = keystoreProperties["keyPassword"] as String
+          storeFile = rootProject.file(keystoreProperties["storeFile"] as String)
+          storePassword = keystoreProperties["storePassword"] as String
+        }
+      }
+      val signingConfig = signingConfigs.getByName("release")
+      buildTypes.all { setSigningConfig(signingConfig) }
+    }
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/snapshot/SnapshotExtension.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/snapshot/SnapshotExtension.kt
new file mode 100644
index 00000000..191620d1
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/snapshot/SnapshotExtension.kt
@@ -0,0 +1,10 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.gradle.snapshot
+
+abstract class SnapshotExtension {
+  abstract var snapshot: Boolean
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/Constants.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/Constants.kt
new file mode 100644
index 00000000..52746c37
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/Constants.kt
@@ -0,0 +1,14 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.gradle.versioning
+
+const val VERSIONING_PROP_FILE = "version.properties"
+const val VERSIONING_PROP_VERSION_NAME = "versioning-plugin.versionName"
+const val VERSIONING_PROP_VERSION_CODE = "versioning-plugin.versionCode"
+const val VERSIONING_PROP_COMMENT =
+  """#
+# This file was automatically generated by 'versioning-plugin'. DO NOT EDIT MANUALLY.
+#"""
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/VersioningPlugin.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/VersioningPlugin.kt
new file mode 100644
index 00000000..5fda1a25
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/VersioningPlugin.kt
@@ -0,0 +1,88 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.gradle.versioning
+
+import com.android.build.api.variant.ApplicationAndroidComponentsExtension
+import com.android.build.api.variant.VariantOutputConfiguration
+import com.android.build.gradle.internal.plugins.AppPlugin
+import com.vdurmont.semver4j.Semver
+import java.util.Properties
+import java.util.concurrent.atomic.AtomicBoolean
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.getByType
+import org.gradle.kotlin.dsl.register
+import org.gradle.kotlin.dsl.withType
+
+/**
+ * A Gradle [Plugin] that takes a [Project] with the [AppPlugin] applied and dynamically sets the
+ * versionCode and versionName properties based on values read from a [VERSIONING_PROP_FILE] file in
+ * the [Project.getBuildDir] directory. It also adds Gradle tasks to bump the major, minor, and
+ * patch versions along with one to prepare the next snapshot.
+ */
+@Suppress("Unused")
+class VersioningPlugin : Plugin<Project> {
+
+  override fun apply(project: Project) {
+    with(project) {
+      val androidAppPluginApplied = AtomicBoolean(false)
+      val propFile = layout.projectDirectory.file(VERSIONING_PROP_FILE)
+      require(propFile.asFile.exists()) {
+        "A 'version.properties' file must exist in the project subdirectory to use this plugin"
+      }
+      val contents = providers.fileContents(propFile).asText
+      val versionProps = Properties().also { it.load(contents.get().byteInputStream()) }
+      val versionName =
+        requireNotNull(versionProps.getProperty(VERSIONING_PROP_VERSION_NAME)) {
+          "version.properties must contain a '$VERSIONING_PROP_VERSION_NAME' property"
+        }
+      val versionCode =
+        requireNotNull(versionProps.getProperty(VERSIONING_PROP_VERSION_CODE).toInt()) {
+          "version.properties must contain a '$VERSIONING_PROP_VERSION_CODE' property"
+        }
+      project.plugins.withType<AppPlugin> {
+        androidAppPluginApplied.set(true)
+        extensions.getByType<ApplicationAndroidComponentsExtension>().onVariants { variant ->
+          val mainOutput =
+            variant.outputs.single { it.outputType == VariantOutputConfiguration.OutputType.SINGLE }
+          mainOutput.versionName.set(versionName)
+          mainOutput.versionCode.set(versionCode)
+        }
+      }
+      val version = Semver(versionName)
+      tasks.register<VersioningTask>("clearPreRelease") {
+        description = "Remove the pre-release suffix from the version"
+        semverString.set(version.withClearedSuffix().toString())
+        propertyFile.set(propFile)
+      }
+      tasks.register<VersioningTask>("bumpMajor") {
+        description = "Increment the major version"
+        semverString.set(version.withIncMajor().withClearedSuffix().toString())
+        propertyFile.set(propFile)
+      }
+      tasks.register<VersioningTask>("bumpMinor") {
+        description = "Increment the minor version"
+        semverString.set(version.withIncMinor().withClearedSuffix().toString())
+        propertyFile.set(propFile)
+      }
+      tasks.register<VersioningTask>("bumpPatch") {
+        description = "Increment the patch version"
+        semverString.set(version.withIncPatch().withClearedSuffix().toString())
+        propertyFile.set(propFile)
+      }
+      tasks.register<VersioningTask>("bumpSnapshot") {
+        description = "Increment the minor version and add the `SNAPSHOT` suffix"
+        semverString.set(version.withIncMinor().withSuffix("SNAPSHOT").toString())
+        propertyFile.set(propFile)
+      }
+      afterEvaluate {
+        check(androidAppPluginApplied.get()) {
+          "Plugin 'com.android.application' must be applied to ${project.displayName} to use the Versioning Plugin"
+        }
+      }
+    }
+  }
+}
diff --git a/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/VersioningTask.kt b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/VersioningTask.kt
new file mode 100644
index 00000000..7eb19a89
--- /dev/null
+++ b/build-logic/android-plugins/src/main/kotlin/app/passwordstore/gradle/versioning/VersioningTask.kt
@@ -0,0 +1,50 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.gradle.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)
+    }
+  }
+
+  override fun getGroup(): String {
+    return "versioning"
+  }
+
+  @TaskAction
+  fun execute() {
+    propertyFile.get().asFile.writeText(Semver(semverString.get()).toPropFileText())
+  }
+}