os/mac: officially support Sierra.

We have a GM, a bunch of bottles and CI setup.

os/mac: officially support Sierra.
43d8b969 · Mike McQuaid · 10f2bc2d · 43d8b969
Commit 43d8b969 authored 8 years ago by Mike McQuaid
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -29,7 +29,7 @@ module OS

    def prerelease?
      # TODO: bump version when new OS is released
-      version >= "10.12"
+      version >= "10.13"
    end

    def outdated_release?