unbreak array

Author: CamJN

macos/runtime_setup_stages/install_gems.sh

@@ -4,7 +4,8 @@ ROOTDIR=$(dirname "$0")
 ROOTDIR=$(cd "$ROOTDIR/../.." && pwd)
 source "$ROOTDIR/shared/lib/library.sh"
 
-read -ra RUBY_VERSIONS < "$ROOTDIR/shared/definitions/ruby_versions"
+declare -a RUBY_VERSIONS
+readarray -t RUBY_VERSIONS < "$ROOTDIR/shared/definitions/ruby_versions"
 LAST_RUBY_VERSION=${RUBY_VERSIONS[${#RUBY_VERSIONS[@]} - 1]}
 
 if [[ -e /usr/local/rvm/bin/rvm-exec ]]; then