# HG changeset patch
# User Nattee Niparnan <nattee@gmail.com>
# Date 2018-02-09 08:57:33
# Node ID b409073698a06845def4c9b15566435f2b3a8e65
# Parent  700050c502ba421b174e938f1ef699481fa3b40d
# Parent  f8ad085b45a7ef5b159389b59d202a86b0b939a1

merge

diff --git a/import_problem b/import_problem
--- a/import_problem
+++ b/import_problem
@@ -100,10 +100,12 @@
   end while true
 end
 
-def create_dir_if_not_exists(dir)
+def create_dir_if_not_exists(dir, options = {} )
   if ! FileTest.exists? dir
     FileUtils.mkdir(dir)
   end
+
+  FileUtils.rm_rf(Dir.glob("#{dir}/*")) if options[:clear]
 end
 
 def import_problem(ev_dir, problem, testcase_dir, num_testruns, raw_prefix, check_script, options)
@@ -121,7 +123,8 @@
 
   create_dir_if_not_exists("#{problem_dir}")
   create_dir_if_not_exists("#{problem_dir}/script")
-  create_dir_if_not_exists("#{problem_dir}/test_cases")
+  create_dir_if_not_exists("#{problem_dir}/test_cases",clear: true)
+  # clear test cases directory
 
   puts "copying testcases"