```ruby
class FontSourceCodePro < Cask
  url 'http://downloads.sourceforge.net/sourceforge/sourcecodepro.adobe/SourceCodePro_FontsOnly-1.017.zip'
  homepage 'http://store1.adobe.com/cfusion/store/html/index.cfm?store=OLS-US&event=displayFontPackage&code=1960'
  version '1.017'
  sha1 'c0e3f6f8e25b434c0e28a817539632f8a5ecb9e5'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Black.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Bold.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-ExtraLight.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Light.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Medium.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Regular.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Semibold.otf'
end
```

Update Source Code Pro to sha256 checksums
user
```ruby
class FontSourceCodePro < Cask
  url 'http://downloads.sourceforge.net/sourceforge/sourcecodepro.adobe/SourceCodePro_FontsOnly-1.017.zip'
  homepage 'http://store1.adobe.com/cfusion/store/html/index.cfm?store=OLS-US&event=displayFontPackage&code=1960'
  version '1.017'
  sha256 '8136b4686309c428ef073356ab178c2f7e8f7b6fadd5a6c61b6a20646377b21f'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Black.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Bold.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-ExtraLight.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Light.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Medium.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Regular.otf'
  font 'SourceCodePro_FontsOnly-1.017/OTF/SourceCodePro-Semibold.otf'
end
```
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