Gemfile.lock should not be touched if nothing has changed

This fixes issue #1105, Gemfile.lock always updated on Windows
when running bundle install

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/bundler/definition.rb b/lib/bundler/definition.rb
index 962838aa..82e1aa3e 100644
--- a/lib/bundler/definition.rb
+++ b/lib/bundler/definition.rb
@@ -180,6 +180,10 @@ module Bundler
     def lock(file)
       contents = to_lock
 
+      # Convert to \r\n if the existing lock has them
+      # i.e., Windows with `git config core.autocrlf=true`
+      contents.gsub!(/\n/, "\r\n") if @lockfile_contents.match("\r\n")
+
       return if @lockfile_contents == contents
 
       if Bundler.settings[:frozen]
@@ -187,10 +191,6 @@ module Bundler
         return
       end
 
-      # Convert to \r\n if the existing lock has them
-      # i.e., Windows with `git config core.autocrlf=true`
-      contents.gsub!(/\n/, "\r\n") if @lockfile_contents.match("\r\n")
-
       File.open(file, 'wb'){|f| f.puts(contents) }
     end