feat: PatchOptions#nullify to nullify an option

src/main/kotlin/app/revanced/patcher/patch/PatchOption.kt

@@ -42,6 +42,14 @@ class PatchOptions(vararg val options: PatchOption<*>) : Iterable<PatchOption<*>
         opt.value = value
     }
 
+    /**
+     * Sets the value of a [PatchOption] to `null`.
+     * @param key The key of the [PatchOption].
+     */
+    fun nullify(key: String) {
+        get(key).value = null
+    }
+
     override fun iterator() = options.iterator()
 }
 

src/test/kotlin/app/revanced/patcher/patch/PatchOptionsTest.kt

@@ -36,6 +36,15 @@ internal class PatchOptionsTest {
         println(options["key1"].value)
     }
 
+    @Test
+    fun `should be able to set value to null`() {
+        // Sadly, doing:
+        // > options["key1"] = null
+        // is not possible because Kotlin
+        // cannot reify the type "Nothing?".
+        options.nullify("key1")
+    }
+
     @Test
     fun `should fail because the option does not exist`() {
         assertThrows<NoSuchOptionException> {