caskroom/homebrew-cask — pull request #4264 by rolandwalker (2014-05-08 14:18:46+00:00)
Title: Retire support for `sha1` stanza.

We haven't received new submissions using `sha1` for quite
some time.

**HOLD** this until pending relevant PRs in caskroom/homebrew-versions are merged:
- caskroom/homebrew-versions#256
- caskroom/homebrew-versions#257
- caskroom/homebrew-versions#258
- caskroom/homebrew-versions#259
- caskroom/homebrew-versions#260
- caskroom/homebrew-versions#261
- caskroom/homebrew-versions#262

`sha1` is already removed from all Casks in homebrew-unofficial, homebrew-fonts, and the main repo.