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-rw-r--r--Library/Homebrew/cmd/fetch.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/Library/Homebrew/cmd/fetch.rb b/Library/Homebrew/cmd/fetch.rb
index 3828bf5d3..d1627c83c 100644
--- a/Library/Homebrew/cmd/fetch.rb
+++ b/Library/Homebrew/cmd/fetch.rb
@@ -4,6 +4,8 @@ require 'formula'
module Homebrew extend self
def fetch
+ raise FormulaUnspecifiedError if ARGV.named.empty?
+
if ARGV.include? '--deps'
bucket = []
ARGV.formulae.each do |f|