title: SHA1 error when using brew install ruby-build
body: <p>I was using Linuxbrew(which is a linux equivalent of homebrew) to install "ruby-build" </p>
  
  <p>command used:- <em>brew install ruby-build</em></p>
  
  <p>and here is the error that i got,</p>
  
  <pre><code>Error: SHA1 mismatch
  Expected: 2599afa039d2070bae9df6ce43da288b3a4adf97
  Actual: 6d840506239fc0b47ad5c1b14bd5e3e0edbeaa60
  Archive: /home/User1/.cache/Homebrew/makedepend-1.0.5.tar.bz2
  To retry an incomplete download, remove the file above.
  </code></pre>
  
  <p>Later I tried deleting the <em>makedepend-1.0.5.tar.bz2</em> file and run the above command again, still the error persists.</p>