From 044e0ad6f23e09a54e776823bb0873a76681a996 Mon Sep 17 00:00:00 2001
From: Kudo Chien <kudo@expo.dev>
Date: Thu, 23 Jun 2022 21:01:17 +0800
Subject: [PATCH] [android] Support caching prebuilt hermes-engine

---
 packages/react-native/ReactAndroid/build.gradle.kts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/react-native/ReactAndroid/build.gradle.kts b/packages/react-native/ReactAndroid/build.gradle.kts
index 805175d31d3019..d259b1ddba529f 100644
--- a/packages/react-native/ReactAndroid/build.gradle.kts
+++ b/packages/react-native/ReactAndroid/build.gradle.kts
@@ -262,6 +262,12 @@ val preparePrefab by
       outputDir.set(prefabHeadersDir)
     }
 
+val prebuiltHermesDir = findProperty("expo.prebuiltHermesDir") ?: File("$rootDir/prebuiltHermes")
+val prebuiltHermesVersion = if (File("${prebuiltHermesDir}/.hermesversion").exists()) File("${prebuiltHermesDir}/.hermesversion").readText() else null
+val currentHermesVersion = if (File("${project(":packages:react-native:ReactAndroid").projectDir}/../sdks/.hermesversion").exists()) File("${project(":packages:react-native:ReactAndroid").projectDir}/../sdks/.hermesversion").readText() else null
+val buildHermesSource = currentHermesVersion != prebuiltHermesVersion
+logger.info(":ReactAndroid - buildHermesSource[$buildHermesSource]")
+
 val createNativeDepsDirectories by
     tasks.registering {
       downloadsDir.mkdirs()