https://git.ruby-lang.org/ruby.git/commit/?id=148f50fc78

From 148f50fc789d59319113a1fd2897dbe552e73e73 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@g...>
Date: Wed, 19 Jun 2019 10:09:35 +0900
Subject: Update homebrew on Travis

because Travis is crashing like "Error: Your Homebrew is outdated.
Please run `brew update`."
https://travis-ci.org/ruby/ruby/jobs/547485832

diff --git a/.travis.yml b/.travis.yml
index 2448734..cd681ed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -48,6 +48,7 @@ addons: https://github.com/ruby/ruby/blob/trunk/.travis.yml#L48
       - valgrind
       - zlib1g-dev
   homebrew:
+    update: true
     packages:
       - gdbm
       - gmp
-- 
cgit v0.10.2


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