Use `sentry.properties` existence over build flavor to set sentry enabled state. (Fix #214)

This will also disable sentry by default on community builds/forks.

app/build.gradle

@@ -1,4 +1,5 @@
 plugins {
+    // Gradle doesn't allow conditionally enabling/disabling plugins
     id "io.sentry.android.gradle" version "3.1.5"
     id 'com.android.application'
     id 'com.mikepenz.aboutlibraries.plugin'
@@ -78,16 +79,18 @@ aboutLibraries {
     additionalLicenses = ["LGPL_3_0_only"]
 }
 
+// "true" is not allowed inside this block, use "hasSentryConfig" instead.
+// This is because gradle doesn't allow to enable/disable plugins conditionally
 sentry {
     // Disable sentry on F-Droid flavor
-    ignoredFlavors = ["fdroid"]
+    ignoredFlavors = hasSentryConfig ? [] : ["default", "fdroid"]
 
     // Disables or enables the handling of Proguard mapping for Sentry.
     // If enabled the plugin will generate a UUID and will take care of
     // uploading the mapping to Sentry. If disabled, all the logic
     // related to proguard mapping will be excluded.
     // Default is enabled.
-    includeProguardMapping = true
+    includeProguardMapping = hasSentryConfig
 
     // Whether the plugin should attempt to auto-upload the mapping file to Sentry or not.
     // If disabled the plugin will run a dry-run and just generate a UUID.
@@ -98,7 +101,7 @@ sentry {
     // Experimental flag to turn on support for GuardSquare's tools integration (Dexguard and External Proguard).
     // If enabled, the plugin will try to consume and upload the mapping file produced by Dexguard and External Proguard.
     // Default is disabled.
-    experimentalGuardsquareSupport = true
+    experimentalGuardsquareSupport = hasSentryConfig
 
     // Disables or enables the automatic configuration of Native Symbols
     // for Sentry. This executes sentry-cli automatically so
@@ -110,20 +113,20 @@ sentry {
     // This executes sentry-cli with the --include-sources param. automatically so
     // you don't need to do it manually.
     // Default is disabled.
-    includeNativeSources = true
+    includeNativeSources = hasSentryConfig
 
     // Enable or disable the tracing instrumentation.
     // Does auto instrumentation for specified features through bytecode manipulation.
     // Default is enabled.
     tracingInstrumentation {
-        enabled = true
+        enabled = hasSentryConfig
     }
 
     // Enable auto-installation of Sentry components (sentry-android SDK and okhttp, timber and fragment integrations).
     // Default is enabled.
     // Only available v3.1.0 and above.
     autoInstallation {
-        enabled = true
+        enabled = hasSentryConfig
 
         // Specifies a version of the sentry-android SDK and fragment, timber and okhttp integrations.
         //
@@ -140,6 +143,13 @@ sentry {
 
 configurations {
     implementation.exclude group: 'org.jetbrains', module: 'annotations'
+    if (!hasSentryConfig) {
+        implementation.exclude group: 'io.sentry', module: 'sentry-android'
+        implementation.exclude group: 'io.sentry', module: 'sentry-android-fragment'
+        implementation.exclude group: 'io.sentry', module: 'sentry-android-okhttp'
+        implementation.exclude group: 'io.sentry', module: 'sentry-android-core'
+        implementation.exclude group: 'io.sentry', module: 'sentry-android-ndk'
+    }
 }
 
 dependencies {
@@ -169,12 +179,14 @@ dependencies {
     implementation 'com.github.Fox2Code:RosettaX:1.0.9'
     implementation 'com.github.Fox2Code:AndroidANSI:1.0.1'
 
-    // Error reporting
-    defaultImplementation 'io.sentry:sentry-android:6.5.0'
-    defaultImplementation 'io.sentry:sentry-android-fragment:6.5.0'
-    defaultImplementation 'io.sentry:sentry-android-okhttp:6.5.0'
-    defaultImplementation 'io.sentry:sentry-android-core:6.5.0'
-    defaultImplementation 'io.sentry:sentry-android-ndk:6.5.0'
+    if (hasSentryConfig) {
+        // Error reporting
+        defaultImplementation 'io.sentry:sentry-android:6.5.0'
+        defaultImplementation 'io.sentry:sentry-android-fragment:6.5.0'
+        defaultImplementation 'io.sentry:sentry-android-okhttp:6.5.0'
+        defaultImplementation 'io.sentry:sentry-android-core:6.5.0'
+        defaultImplementation 'io.sentry:sentry-android-ndk:6.5.0'
+    }
 
     // Markdown
     implementation "io.noties.markwon:core:4.6.2"
@@ -201,4 +213,26 @@ if (hasSentryConfig) {
         environment "SENTRY_URL", properties.getProperty("defaults.url")
         environment "SENTRY_AUTH_TOKEN", properties.getProperty("auth.token")
     }
-}
+}
+
+final String sentrySrc = hasSentryConfig ? 'src/sentry/java' : 'src/sentryless/java'
+final String sentryManifestSrc = hasSentryConfig ?
+        'src/sentry/AndroidManifest.xml' : 'src/sentryless/AndroidManifest.xml'
+
+android {
+    sourceSets {
+        main {
+            java.srcDirs += sentrySrc
+            // manifest.srcFile += sentryManifestSrc // Not supported
+        }
+
+        // Workaround useless gradle restriction
+        "default" {
+            manifest.srcFile sentryManifestSrc
+        }
+
+        fdroid {
+            manifest.srcFile sentryManifestSrc
+        }
+    }
+}

app/src/main/java/com/fox2code/mmm/MainApplication.java

@@ -46,10 +46,6 @@ import io.noties.markwon.syntax.Prism4jThemeDefault;
 import io.noties.markwon.syntax.SyntaxHighlightPlugin;
 import io.noties.prism4j.Prism4j;
 import io.noties.prism4j.annotations.PrismBundle;
-import io.sentry.JsonObjectWriter;
-import io.sentry.NoOpLogger;
-import io.sentry.android.core.SentryAndroid;
-import io.sentry.android.fragment.FragmentLifecycleIntegration;
 
 @PrismBundle(
         includeAll = true,

app/src/main/java/com/fox2code/mmm/installer/InstallerActivity.java

@@ -12,6 +12,7 @@ import android.view.View;
 import android.view.WindowManager;
 import android.widget.Toast;
 
+import androidx.annotation.Keep;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.fox2code.androidansi.AnsiConstants;
@@ -272,6 +273,7 @@ public class InstallerActivity extends FoxActivity {
     }
 
 
+    @Keep
     private void doInstall(File file, boolean noExtensions, boolean rootless) {
         if (this.canceled) return;
         UiThreadHandler.runAndWait(() -> {

app/src/sentryless/AndroidManifest.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="QueryAllPackagesPermission">
+
+    <application android:icon="@mipmap/ic_launcher">
+
+    </application>
+</manifest>

build.gradle

@@ -9,7 +9,7 @@ buildscript {
     project.ext.sentryConfigFile = new File(rootDir, "sentry.properties").getAbsoluteFile()
     project.ext.hasSentryConfig = sentryConfigFile.exists()
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:7.3.1'
         classpath "com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin:${latestAboutLibsRelease}"
 
         // NOTE: Do not place your application dependencies here; they belong