From dfdf5ad555e8d01096f20134644caf14e1154623 Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Mon, 4 May 2020 15:56:36 -0400
Subject: [PATCH] recovery: Print the active slot

Change-Id: I9fd731c3427c3a52641aa2e9c89eb9a20bafdd57
---
 recovery.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/recovery.cpp b/recovery.cpp
index 2ce1b676..0544aabd 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -725,6 +725,12 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
   std::vector<std::string> title_lines =
       android::base::Split(android::base::GetProperty("ro.build.fingerprint", ""), ":");
   title_lines.insert(std::begin(title_lines), "tequilaOS 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();