From df3f924dc536c3a55f5c70d91f110ed7300d59b8 Mon Sep 17 00:00:00 2001
From: rusefi <rusefillc@gmail.com>
Date: Mon, 30 Jan 2023 08:27:13 -0500
Subject: [PATCH] LTS: firmware matcher needs to learn to migrate #5015

relevant helper method
---
 java_console/shared_io/build.gradle                  |  8 +++++++-
 .../src/main/java/com/rusefi/core/io/BundleUtil.java |  9 +++++++++
 .../test/java/com/rusefi/core/io/BundleUtilTest.java | 12 ++++++++++++
 3 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 java_console/shared_io/src/test/java/com/rusefi/core/io/BundleUtilTest.java

diff --git a/java_console/shared_io/build.gradle b/java_console/shared_io/build.gradle
index bfda3b8ed0..e4666ffbcd 100644
--- a/java_console/shared_io/build.gradle
+++ b/java_console/shared_io/build.gradle
@@ -2,5 +2,11 @@ plugins {
     id 'java'
 }
 
+apply from: '../../android/dependencies.gradle'
+
 // TODO: rename folder to core_io
-// this CORE module cannot depend on model/ini!
\ No newline at end of file
+// this CORE module cannot depend on model/ini!
+
+dependencies {
+    testImplementation global_libs.junit
+}
\ No newline at end of file
diff --git a/java_console/shared_io/src/main/java/com/rusefi/core/io/BundleUtil.java b/java_console/shared_io/src/main/java/com/rusefi/core/io/BundleUtil.java
index 1bec0b9c14..faa7c84820 100644
--- a/java_console/shared_io/src/main/java/com/rusefi/core/io/BundleUtil.java
+++ b/java_console/shared_io/src/main/java/com/rusefi/core/io/BundleUtil.java
@@ -35,4 +35,13 @@ public class BundleUtil {
         bundle = bundle == null ? "unknown bundle" : bundle;
         return bundle;
     }
+
+    public static String getBundleTarget(String s) {
+        if (s == null)
+            return null;
+        int lastDot = s.lastIndexOf('.');
+        if (lastDot == -1)
+            throw new IllegalStateException("Dot expected somewhere in [" + s + "]");
+        return s.substring(lastDot + 1);
+    }
 }
diff --git a/java_console/shared_io/src/test/java/com/rusefi/core/io/BundleUtilTest.java b/java_console/shared_io/src/test/java/com/rusefi/core/io/BundleUtilTest.java
new file mode 100644
index 0000000000..26faae6c36
--- /dev/null
+++ b/java_console/shared_io/src/test/java/com/rusefi/core/io/BundleUtilTest.java
@@ -0,0 +1,12 @@
+package com.rusefi.core.io;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class BundleUtilTest {
+    @Test
+    public void testExtractBundleTarget() {
+        assertEquals("proteus_f7", BundleUtil.getBundleTarget("rusefi.snapshot.proteus_f7"));
+    }
+}