From df379f29c79c8a68c690a9571651f0bca1db3acd Mon Sep 17 00:00:00 2001
From: Travis Plunk <travis.plunk@microsoft.com>
Date: Tue, 8 Aug 2017 09:22:02 -0700
Subject: [PATCH] Update brew before installing powershell in installpsh-osx.sh
 (#4506)

---
 tools/installpsh-osx.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/installpsh-osx.sh b/tools/installpsh-osx.sh
index 48595bba9..3aef2e4a3 100755
--- a/tools/installpsh-osx.sh
+++ b/tools/installpsh-osx.sh
@@ -131,9 +131,17 @@ if [[ ! -d $(brew --prefix cask) ]]; then
     echo "Installing cask..."
     if ! brew tap caskroom/cask >/dev/null; then
         echo "ERROR: Cask failed to install! Cannot install powershell..." >&2
+        exit 2
     fi
 fi
 
+# Suppress output, it's very noisy on travis-ci
+echo "Refreshing Homebrew cache..."
+if ! brew update >/dev/null; then
+    echo "ERROR: Refreshing Homebrew cache failed..." >&2
+    exit 2
+fi
+
 if ! hash powershell 2>/dev/null; then
     echo "Installing PowerShell..."
     if ! brew cask install powershell; then