From 371f0c4d0bf96e7f6db35085efccaed3000a096c Mon Sep 17 00:00:00 2001
From: Sculas <contact@sculas.xyz>
Date: Tue, 2 Aug 2022 22:32:55 +0200
Subject: [PATCH] feat: PatchOptions#nullify to nullify an option

---
 .../kotlin/app/revanced/patcher/patch/PatchOption.kt     | 8 ++++++++
 .../app/revanced/patcher/patch/PatchOptionsTest.kt       | 9 +++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/main/kotlin/app/revanced/patcher/patch/PatchOption.kt b/src/main/kotlin/app/revanced/patcher/patch/PatchOption.kt
index 2d47507..fbb4026 100644
--- a/src/main/kotlin/app/revanced/patcher/patch/PatchOption.kt
+++ b/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()
 }
 
diff --git a/src/test/kotlin/app/revanced/patcher/patch/PatchOptionsTest.kt b/src/test/kotlin/app/revanced/patcher/patch/PatchOptionsTest.kt
index 3a41555..140c3c0 100644
--- a/src/test/kotlin/app/revanced/patcher/patch/PatchOptionsTest.kt
+++ b/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> {