commit c091c176cbc93044c4d70d7f733fef4c59672f96
author David Anderson <dvander@google.com> Tue Sep 04 18:11:03 2018 -0700
committer David Anderson <dvander@google.com> Wed Sep 05 12:52:15 2018 -0700
tree 4d5f6a962c878c75d5fe530200301e0b6146e436
parent 56843eec457cc06ccf7d39db56ebcd3dba25df8b

fastbootd: Implement getvar hw-revision.

Bug: 78793464
Test: fastboot getvar hw-revision works
      fuzzy_fastboot Conformance.GetVarRevision passes

Change-Id: I5a3e9893d61e18567f2f818ef06cad8e862d637f

fastboot/device/variables.cpp

diff --git a/fastboot/device/variables.cpp b/fastboot/device/variables.cpp
index 68efa08..a960189 100644
--- a/fastboot/device/variables.cpp
+++ b/fastboot/device/variables.cpp
@@ -256,3 +256,9 @@
     }
     return args;
 }
+
+bool GetHardwareRevision(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
+                         std::string* message) {
+    *message = android::base::GetProperty("ro.revision", "");
+    return true;
+}