diff --git a/blink/tools/blinkpy/common/checkout/git.py b/blink/tools/blinkpy/common/checkout/git.py
index 62452e86cb1..6343c2122e4 100644
--- a/blink/tools/blinkpy/common/checkout/git.py
+++ b/blink/tools/blinkpy/common/checkout/git.py
@@ -201,6 +201,10 @@ def current_branch(self):
             return ''
         return self._branch_from_ref(ref)
 
+    def current_revision(self):
+        """Return the commit hash of HEAD."""
+        return self.run(['rev-parse', 'HEAD']).strip()
+
     def _upstream_branch(self):
         current_branch = self.current_branch()
         return self._branch_from_ref(