make the install script directly pipeable (don't do this)

macos/defaults.sh

@@ -6,6 +6,8 @@
 #    https://github.com/paulirish/dotfiles/blob/master/.osx
 #    https://github.com/kevinSuttle/macOS-Defaults/blob/master/.macos
 
+set -euo pipefail
+
 # Change new hostname here if necessary
 COMPUTER_NAME="JJ-MBA"
 

macos/macos.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
 # This shouldn't be run if not on macOS, but make double sure
 if test ! "$(uname)" = "Darwin"; then
   exit 0