contrib / emacs / git-blame.elon commit git-prompt: improve cherry-pick/revert detection (e981bf7)
   1(error "git-blame.el no longer ships with git. It's recommended
   2to replace its use with Emacs's own vc-annotate. See
   3contrib/emacs/README in git's
   4sources (https://github.com/git/git/blob/master/contrib/emacs/README)
   5for more info on suggested alternatives and for why this
   6happened.")