Add versioning code

app/build.gradle

@@ -20,6 +20,11 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    applicationVariants.all { variant ->
+        variant.outputs.all {
+            outputFileName = "${variant.name}-${variant.versionName}.apk"
+        }
+    }
 }
 
 ext.anko_version='0.10.8'

build.gradle

@@ -1,5 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
+apply from: 'versioning.gradle'
+
 buildscript {
     ext.kotlin_version = '1.3.11'
     repositories {

gradle.properties

@@ -1,18 +1,7 @@
-# Project-wide Gradle settings.
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-# For more details on how to configure your build environment visit
-# http://www.gradle.org/docs/current/userguide/build_environment.html
-# Specifies the JVM arguments used for the daemon process.
-# The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx1536m
-# When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
-# Kotlin code style for this project: "official" or "obsolete":
+#Mon Feb 04 16:51:32 CET 2019
+appVersionCode=1
 kotlin.code.style=official
-
+android.enableJetifier=true
+org.gradle.jvmargs=-Xmx1536m
 android.useAndroidX=true
-android.enableJetifier=true
+appVersionName=1.0.0

versioning.gradle

@@ -0,0 +1,72 @@
+def getVersionName = { getVersionProps()['appVersionName'] }
+
+def getVersionProps() {
+    def versionPropsFile = file('gradle.properties')
+    if (!versionPropsFile.exists()) {
+        versionPropsFile.createNewFile()
+    }
+    def versionProps = new Properties()
+    versionProps.load(new FileInputStream(versionPropsFile))
+    return versionProps
+}
+
+def getVersionNamePatch = { (getVersionName() =~ /\d+/)[2].toInteger() }
+
+def getVersionNameMinor = { (getVersionName() =~ /\d+/)[1].toInteger() }
+
+def getVersionNameMajor = { (getVersionName() =~ /\d+/)[0].toInteger() }
+
+private void commitAndSetTag(versionName) {
+    Process addChanges = ['git', 'add', 'app/gradle.properties'].execute(null, project.rootDir)
+    addChanges.waitForProcessOutput(System.out, System.err)
+
+    Process createCommit = ['git', 'commit', "-m Release ${versionName}"].execute(null,  project.rootDir)
+    createCommit.waitForProcessOutput(System.out, System.err)
+
+    Process createTag = ['git', 'tag', "v${versionName}".toString()].execute(null, project.rootDir)
+    createTag.waitForProcessOutput(System.out, System.err)
+}
+
+private def getAppVersionCode() { getVersionProps()['appVersionCode'].toInteger() }
+
+private void save(major, minor, patch, versionCode) {
+    save("${major}.${minor}.${patch}".toString(), versionCode.toString())
+}
+
+private void save(versionName, versionCode) {
+    def versionProps = getVersionProps()
+    versionProps['appVersionName'] = versionName
+    versionProps['appVersionCode'] = versionCode
+    versionProps.store(file('gradle.properties').newWriter(), null)
+    commitAndSetTag(versionName)
+}
+
+task bumperInit() {
+    group = 'bumper'
+    doLast {
+        def versionName = project.hasProperty('bumperVersionName') ? bumperVersionName : '1.0.0'
+        def versionCode = project.hasProperty('bumperVersionCode') ? bumperVersionCode : '1'
+        save(versionName, versionCode)
+    }
+}
+
+task bumperVersionPatch () {
+    group = 'bumper'
+    doLast {
+        save(getVersionNameMajor(), getVersionNameMinor(), getVersionNamePatch() + 1, getAppVersionCode() + 1)
+    }
+}
+
+task bumperVersionMinor () {
+    group = 'bumper'
+    doLast {
+        save(getVersionNameMajor(), getVersionNameMinor() + 1, 0, getAppVersionCode() + 1)
+    }
+}
+
+task bumperVersionMajor () {
+    group = 'bumper'
+    doLast {
+        save(getVersionNameMajor() + 1, 0, 0, getAppVersionCode() + 1)
+    }
+}