Move several stuff into buildSrc

app/core/build.gradle.kts

@@ -19,6 +19,7 @@ android {
         buildConfigField("int", "APP_VERSION_CODE", "${Config.versionCode}")
         buildConfigField("String", "APP_VERSION_NAME", "\"${Config.version}\"")
         buildConfigField("int", "STUB_VERSION", Config.stubVersion)
+        consumerProguardFile("proguard-rules.pro")
     }
 
     buildFeatures {

app/core/proguard-rules.pro

@@ -0,0 +1,52 @@
+# Parcelable
+-keepclassmembers class * implements android.os.Parcelable {
+    public static final ** CREATOR;
+}
+
+# Kotlin
+-assumenosideeffects class kotlin.jvm.internal.Intrinsics {
+	public static void check*(...);
+	public static void throw*(...);
+}
+-assumenosideeffects class java.util.Objects {
+    public static ** requireNonNull(...);
+}
+-assumenosideeffects public class kotlin.coroutines.jvm.internal.DebugMetadataKt {
+   private static ** getDebugMetadataAnnotation(...) return null;
+}
+
+# Stub
+-keep class com.topjohnwu.magisk.core.App { <init>(java.lang.Object); }
+-keepclassmembers class androidx.appcompat.app.AppCompatDelegateImpl {
+  boolean mActivityHandlesConfigFlagsChecked;
+  int mActivityHandlesConfigFlags;
+}
+
+# Strip Timber verbose and debug logging
+-assumenosideeffects class timber.log.Timber$Tree {
+  public void v(**);
+  public void d(**);
+}
+
+# With R8 full mode generic signatures are stripped for classes that are not
+# kept. Suspend functions are wrapped in continuations where the type argument
+# is used.
+-keep,allowobfuscation,allowshrinking class kotlin.coroutines.Continuation
+
+# Excessive obfuscation
+-repackageclasses 'a'
+-allowaccessmodification
+
+-obfuscationdictionary ../dict.txt
+-classobfuscationdictionary ../dict.txt
+-packageobfuscationdictionary ../dict.txt
+
+-dontwarn org.bouncycastle.jsse.BCSSLParameters
+-dontwarn org.bouncycastle.jsse.BCSSLSocket
+-dontwarn org.bouncycastle.jsse.provider.BouncyCastleJsseProvider
+-dontwarn org.commonmark.ext.gfm.strikethrough.Strikethrough
+-dontwarn org.conscrypt.Conscrypt*
+-dontwarn org.conscrypt.ConscryptHostnameVerifier
+-dontwarn org.openjsse.javax.net.ssl.SSLParameters
+-dontwarn org.openjsse.javax.net.ssl.SSLSocket
+-dontwarn org.openjsse.net.ssl.OpenJSSE