1 files changed, 34 insertions, 0 deletions
diff --git a/buildSrc/src/main/java/SigningConfig.kt b/buildSrc/src/main/java/SigningConfig.kt
new file mode 100644
index 00000000..1f494d5f
--- /dev/null
+++ b/buildSrc/src/main/java/SigningConfig.kt
@@ -0,0 +1,34 @@
+/*
+ * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
+import java.util.Properties
+import org.gradle.api.Project
+
+private const val KEYSTORE_CONFIG_PATH = "keystore.properties"
+
+/**
+ * Configure signing for all build types.
+ */
+@Suppress("UnstableApiUsage")
+internal fun BaseAppModuleExtension.configureBuildSigning(project: Project) {
+    with(project) {
+        val keystoreConfigFile = rootProject.layout.projectDirectory.file(KEYSTORE_CONFIG_PATH)
+        if (!keystoreConfigFile.asFile.exists()) return
+        val contents = providers.fileContents(keystoreConfigFile).asText.forUseAtConfigurationTime()
+        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) }
+    }
+}