import: make it work most of the time with git repos

This includes real tests too.

tests/source-files/com.anpmech.launcher/app/build.gradle

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2015-2017 Hayai Software
+ * Copyright 2018 The KeikaiLauncher Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND
+ * either express or implied. See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+plugins {
+    id 'com.android.application'
+    id 'pl.allegro.tech.build.axion-release' version '1.8.1'
+}
+
+scmVersion {
+    tag {
+        prefix = ''
+    }
+}
+
+/**
+ * Takes version {@code major.minor.patch[-suffix]} and returns numeric versionCode based on it
+ * Example: {@code 1.2.3-SNAPSHOT} will return {@code 1002003}
+ */
+static int versionCode(String versionName) {
+    def matcher = (versionName =~ /(\d+)\.(\d+)\.(\d+).*/)
+    return matcher.matches() ?
+            matcher.collect { version, major, minor, patch ->
+                major.toInteger() * 10000 + minor.toInteger() * 100 + patch.toInteger()
+            }.head() :
+            -1
+}
+
+def androidVersion = [
+    name: scmVersion.version,
+    code: versionCode(scmVersion.version),
+]
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId 'com.anpmech.launcher'
+        minSdkVersion 15
+        targetSdkVersion 28
+        versionName androidVersion.name
+        versionCode androidVersion.code
+    }
+    lintOptions {
+        abortOnError false
+    }
+    buildTypes {
+        all {
+            buildConfigField("String", "GITHUB_USER", "\"KeikaiLauncher\"")
+            buildConfigField("String", "GITHUB_PROJECT", "\"KeikaiLauncher\"")
+        }
+        release {
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.txt'
+        }
+        debug {
+            versionNameSuffix "-debug"
+        }
+    }
+    dependencies {
+        implementation 'com.android.support:support-annotations:28.0.0'
+    }
+}
+
+dependencies {
+}