Compatibility with frozen string literals

1 files changed, 3 insertions, 1 deletions

diff --git a/exe/bundle b/exe/bundle
index a6068daa..3fb4ccfc 100755
--- a/exe/bundle
+++ b/exe/bundle
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 # Exit cleanly from an early interrupt
 Signal.trap("INT") { exit 1 }
@@ -7,7 +8,8 @@ require "bundler"
 # Check if an older version of bundler is installed
 $LOAD_PATH.each do |path|
   next unless path =~ %r{/bundler-0\.(\d+)} && $1.to_i < 9
-  err = "Looks like you have a version of bundler that's older than 0.9.\n"
+  err = String.new
+  err << "Looks like you have a version of bundler that's older than 0.9.\n"
   err << "Please remove your old versions.\n"
   err << "An easy way to do this is by running `gem cleanup bundler`."
   abort(err)