Merge pull request #7098 from XiangRongLin/6420_package_suffix

Allow passing in package suffix for release builds through CLI param

app/build.gradle

@@ -54,6 +54,11 @@ android {
         // debug build. This seems to be a Gradle bug, therefore
         // TODO: update Gradle version
         release {
+            if (System.properties.containsKey('packageSuffix')) {
+                applicationIdSuffix System.getProperty('packageSuffix')
+                resValue "string", "app_name", "NewPipe " + System.getProperty('packageSuffix')
+                archivesBaseName = 'NewPipe_' + System.getProperty('packageSuffix')
+            }
             minifyEnabled true
             shrinkResources false // disabled to fix F-Droid's reproducible build
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

doc/gradle.md

@@ -0,0 +1,14 @@
+# Custom gradle parameters
+
+You can use these parameters by specifying them inside the `gradle.properties` file as 
+`systemProp.<name>=<value>` or passing them through the CLI with `-D<name>=<value>`.
+
+## packageSuffix
+This allows you to specify a suffix, which will be added on release builds to the application id, 
+the `app_name` string and the apk file.  
+No validation is made, so make sure to pass in a valid value.
+
+## skipFormatKtlint
+This allows you to skip the `formatKtLint` task.  
+No value is needed.   
+It is used for CI in order to check for badly formatted files.