diff --git a/Library/Homebrew/dev-cmd/pull.rb b/Library/Homebrew/dev-cmd/pull.rb
index d7d53f1d39..4f1f988569 100644
--- a/Library/Homebrew/dev-cmd/pull.rb
+++ b/Library/Homebrew/dev-cmd/pull.rb
@@ -110,7 +110,7 @@ module Homebrew
       old_versions = current_versions_from_info_external(patch_changes[:formulae].first) if is_bumpable
       patch_puller.apply_patch
 
-      end_revision = head_revision(url)
+      end_revision = `git rev-parse --short HEAD`.strip
 
       changed_formulae_names = []
 
@@ -197,10 +197,6 @@ module Homebrew
     end
   end
 
-  def head_revision(_url, fetched)
-    Utils.popen_read("git", "rev-parse", fetched ? "FETCH_HEAD" : "HEAD").strip
-  end
-
   class PatchPuller
     attr_reader :base_url
     attr_reader :patch_url