Android-Password-Store/buildSrc/src/main/java/VersioningPlugin.kt

115 lines
4.6 KiB
Kotlin

/*
* Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
* SPDX-License-Identifier: GPL-3.0-only
*/
import com.android.build.gradle.internal.plugins.AppPlugin
import com.github.zafarkhaja.semver.Version
import java.io.OutputStream
import java.util.Properties
import org.gradle.api.Plugin
import org.gradle.api.Project
private const val VERSIONING_PROP_FILE = "version.properties"
private const val VERSIONING_PROP_VERSION_NAME = "versioning-plugin.versionName"
private const val VERSIONING_PROP_VERSION_CODE = "versioning-plugin.versionCode"
private const val VERSIONING_PROP_COMMENT = """
This file was automatically generated by 'versioning-plugin'. DO NOT EDIT MANUALLY.
"""
/**
* 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(
"UnstableApiUsage",
"NAME_SHADOWING"
)
class VersioningPlugin : Plugin<Project> {
/**
* Generate the Android 'versionCode' property
*/
private fun Version.androidCode(): Int {
return majorVersion * 1_00_00 +
minorVersion * 1_00 +
patchVersion
}
/**
* Write an Android-specific variant of [this] to [stream]
*/
private fun Version.writeForAndroid(stream: OutputStream) {
val newVersionCode = androidCode()
val props = Properties()
props.setProperty(VERSIONING_PROP_VERSION_CODE, "$newVersionCode")
props.setProperty(VERSIONING_PROP_VERSION_NAME, toString())
props.store(stream, VERSIONING_PROP_COMMENT)
}
/**
* Returns the same [Version], but with build metadata stripped.
*/
private fun Version.clearPreRelease(): Version {
return Version.forIntegers(majorVersion, minorVersion, patchVersion)
}
override fun apply(project: Project) {
with(project) {
val appPlugin = requireNotNull(plugins.findPlugin(AppPlugin::class.java)) {
"Plugin 'com.android.application' must be applied to use this plugin"
}
val propFile = layout.projectDirectory.file(VERSIONING_PROP_FILE)
require(propFile.asFile.exists()) {
"A 'version.properties' file must exist in the project subdirectory to use this plugin"
}
val contents = providers.fileContents(propFile).asText.forUseAtConfigurationTime()
val versionProps = Properties().also { it.load(contents.get().byteInputStream()) }
val versionName = requireNotNull(versionProps.getProperty(VERSIONING_PROP_VERSION_NAME)) {
"version.properties must contain a '$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"
}
appPlugin.extension.defaultConfig.versionName = versionName
appPlugin.extension.defaultConfig.versionCode = versionCode
afterEvaluate {
val version = Version.valueOf(versionName)
tasks.register("clearPreRelease") {
doLast {
version.clearPreRelease()
.writeForAndroid(propFile.asFile.outputStream())
}
}
tasks.register("bumpMajor") {
doLast {
version.incrementMajorVersion()
.writeForAndroid(propFile.asFile.outputStream())
}
}
tasks.register("bumpMinor") {
doLast {
version.incrementMinorVersion()
.writeForAndroid(propFile.asFile.outputStream())
}
}
tasks.register("bumpPatch") {
doLast {
version.incrementPatchVersion()
.writeForAndroid(propFile.asFile.outputStream())
}
}
tasks.register("bumpSnapshot") {
doLast {
version.incrementMinorVersion()
.setPreReleaseVersion("SNAPSHOT")
.writeForAndroid(propFile.asFile.outputStream())
}
}
}
}
}
}