Use fetch for downloading bottles.

Fixes Homebrew/homebrew#10958.

1 files changed, 8 insertions, 6 deletions

diff --git a/Library/Homebrew/cmd/fetch.rb b/Library/Homebrew/cmd/fetch.rb
index 5d1bec529..28f51f71a 100644
--- a/Library/Homebrew/cmd/fetch.rb
+++ b/Library/Homebrew/cmd/fetch.rb
@@ -29,21 +29,23 @@ module Homebrew extend self
       the_tarball, _ = f.fetch
       next unless the_tarball.kind_of? Pathname
 
-      previous_md5 = f.instance_variable_get(:@md5).to_s.downcase
+      bottle = install_bottle? f
+
+      previous_md5 = f.instance_variable_get(:@md5).to_s.downcase unless bottle
       previous_sha1 = f.instance_variable_get(:@sha1).to_s.downcase
-      previous_sha2 = f.instance_variable_get(:@sha256).to_s.downcase
+      previous_sha2 = f.instance_variable_get(:@sha256).to_s.downcase unless bottle
 
-      puts "MD5:  #{the_tarball.md5}"
+      puts "MD5:  #{the_tarball.md5}" unless bottle
       puts "SHA1: #{the_tarball.sha1}"
-      puts "SHA256: #{the_tarball.sha2}"
+      puts "SHA256: #{the_tarball.sha2}" unless bottle
 
-      unless previous_md5.nil? or previous_md5.empty? or the_tarball.md5 == previous_md5
+      unless previous_md5.nil? or previous_md5.empty? or the_tarball.md5 == previous_md5 or bottle
         opoo "Formula reports different MD5: #{previous_md5}"
       end
       unless previous_sha1.nil? or previous_sha1.empty? or the_tarball.sha1 == previous_sha1
         opoo "Formula reports different SHA1: #{previous_sha1}"
       end
-      unless previous_sha2.nil? or previous_sha2.empty? or the_tarball.sha2 == previous_sha2
+      unless previous_sha2.nil? or previous_sha2.empty? or the_tarball.sha2 == previous_sha2 or bottle
         opoo "Formula reports different SHA256: #{previous_sha2}"
       end
     end