From 964d59fd93199c43187b090c403ce657672fdbf8 Mon Sep 17 00:00:00 2001
From: Ed Morley <edmorley@users.noreply.github.com>
Date: Tue, 3 Oct 2017 15:28:25 +0100
Subject: [PATCH] Travis: Document the pinned version of yarn

See:
https://github.com/mozilla-neutrino/neutrino-dev/pull/315#discussion_r141776823

Also restores the best practices of using `-f` with curl, as well as
quietening the log spam.
---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index c9e909abb..05bfe46fa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,8 @@ node_js:
 install:
 - yarn install --frozen-lockfile
 before_install:
-# Required due to: https://github.com/travis-ci/travis-ci/issues/7951
-- curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 0.25.4
+# Older version required due to: https://github.com/guigrpa/oao/issues/50
+- curl -sSfL https://yarnpkg.com/install.sh | bash -s -- --version 0.25.4
 - export PATH=$HOME/.yarn/bin:$PATH
 before_script:
 - yarn bootstrap