Extracted escape_quotes as a class method since it doesn't rely on state.

This also makes testing a bit easier.

Author: nirvdrum

lib/svn2git/migration.rb

@@ -145,6 +145,14 @@ def parse(args)
       options
     end
 
+    def self.escape_quotes(str)
+      str.gsub("'", "'\\\\''")
+    end
+
+    def escape_quotes(str)
+      Svn2Git::Migration.escape_quotes(str)
+    end
+
   private
 
     def clone!
@@ -374,10 +382,6 @@ def verify_working_tree_is_clean
       end
     end
 
-    def escape_quotes(str)
-      str.gsub("'", "'\\\\''")
-    end
-
     def git_config_command
       if @git_config_command.nil?
         status = run_command('git config --local --get user.name', false)