From 3c38a55912e342762221752ea90407e0807e1cb3 Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Mon, 4 May 2020 15:56:36 -0400
Subject: recovery: Print the active slot

Addresses https://gitlab.com/LineageOS/issues/android/-/issues/1893

Change-Id: I9fd731c3427c3a52641aa2e9c89eb9a20bafdd57
---
 recovery.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/recovery.cpp b/recovery.cpp
index afeee7ce..4bf5f129 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -796,6 +796,11 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
   std::vector<std::string> title_lines =
       android::base::Split(android::base::GetProperty("ro.ice.version", ""), ":");
   title_lines.insert(std::begin(title_lines), "Project ICE Recovery");
+  if (android::base::GetBoolProperty("ro.build.ab_update", false)) {
+    std::string slot = android::base::GetProperty("ro.boot.slot_suffix", "");
+    if (android::base::StartsWith(slot, "_")) slot.erase(0, 1);
+    title_lines.push_back("Active slot: " + slot);
+  }
   ui->SetTitle(title_lines);
 
   ui->ResetKeyInterruptStatus();
-- 
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