'brew fetch' now an official command

1 files changed, 30 insertions, 0 deletions

diff --git a/Library/Homebrew/cmd/fetch.rb b/Library/Homebrew/cmd/fetch.rb
new file mode 100644
index 000000000..8ad3c7f7d
--- /dev/null
+++ b/Library/Homebrew/cmd/fetch.rb
@@ -0,0 +1,30 @@
+require 'formula'
+
+# Downloads the tarballs for the given formulae to the Cache
+
+module Homebrew extend self
+  def fetch
+    ARGV.formulae.each do |f|
+      if ARGV.include? "--force" or ARGV.include? "-f"
+        where_to = `brew --cache #{f.name}`.strip
+        FileUtils.rm_rf where_to unless where_to.empty?
+      end
+
+      the_tarball = f.downloader.fetch
+      next unless the_tarball.kind_of? Pathname
+
+      previous_md5 = f.instance_variable_get(:@md5)
+      previous_sha1 = f.instance_variable_get(:@sha1)
+
+      puts "MD5:  #{the_tarball.md5}"
+      puts "SHA1: #{the_tarball.sha1}"
+
+      unless previous_md5.nil? or previous_md5.empty? or  the_tarball.md5 == previous_md5
+        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
+    end
+  end
+end