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-rw-r--r--Library/Homebrew/cask/lib/hbc/audit.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/Library/Homebrew/cask/lib/hbc/audit.rb b/Library/Homebrew/cask/lib/hbc/audit.rb
index 8b88394c4..6569da126 100644
--- a/Library/Homebrew/cask/lib/hbc/audit.rb
+++ b/Library/Homebrew/cask/lib/hbc/audit.rb
@@ -66,6 +66,7 @@ module Hbc
tap = Tap.select { |t| t.cask_file?(@cask.sourcefile_path) }.first
return if tap.nil?
+ return if commit_range.nil?
previous_cask_contents = Git.last_revision_of_file(tap.path, @cask.sourcefile_path, before_commit: commit_range)
return if previous_cask_contents.empty?