post-push fix, backported --replace_result patch

for --list_files in mysqltest.

client/mysqltest.cc:
  Backported --replace_result for --list_files.
mysql-test/r/mysqltest.result:
  updated test.
mysql-test/t/mysqltest.test:
  added test for replace_result on list_files.

client/mysqltest.cc

@@ -441,7 +441,7 @@ struct st_command
   char *query, *query_buf,*first_argument,*last_argument,*end;
   DYNAMIC_STRING content;
   int first_word_len, query_len;
-  my_bool abort_on_error;
+  my_bool abort_on_error, used_replace;
   struct st_expected_errors expected_errors;
   char require_file[FN_REFLEN];
   enum enum_commands type;
@@ -3284,7 +3284,7 @@ static int get_list_files(DYNAMIC_STRING *ds, const DYNAMIC_STRING *ds_dirname,
     if (ds_wild && ds_wild->length &&
         wild_compare(file->name, ds_wild->str, 0))
       continue;
-    dynstr_append(ds, file->name);
+    replace_dynstr_append(ds, file->name);
     dynstr_append(ds, "\n");
   }
   set_wild_chars(0);
@@ -3314,6 +3314,7 @@ static void do_list_files(struct st_command *command)
     {"file", ARG_STRING, FALSE, &ds_wild, "Filename (incl. wildcard)"}
   };
   DBUG_ENTER("do_list_files");
+  command->used_replace= 1;
 
   check_command_args(command, command->first_argument,
                      list_files_args,
@@ -3355,6 +3356,7 @@ static void do_list_files_write_file_command(struct st_command *command,
     {"file", ARG_STRING, FALSE, &ds_wild, "Filename (incl. wildcard)"}
   };
   DBUG_ENTER("do_list_files_write_file");
+  command->used_replace= 1;
 
   check_command_args(command, command->first_argument,
                      list_files_args,
@@ -8386,7 +8388,7 @@ int main(int argc, char **argv)
       memset(&saved_expected_errors, 0, sizeof(saved_expected_errors));
     }
 
-    if (command_executed != last_command_executed)
+    if (command_executed != last_command_executed || command->used_replace)
     {
       /*
         As soon as any command has been executed,

mysql-test/r/mysqltest.result

@@ -798,7 +798,7 @@ drop table t1;
 mysqltest: At line 1: change user failed: Unknown database 'inexistent'
 mysqltest: At line 1: change user failed: Access denied for user 'inexistent'@'localhost' (using password: NO)
 mysqltest: At line 1: change user failed: Access denied for user 'root'@'localhost' (using password: YES)
-file1.txt
+REPLACED_FILE1.txt
 file1.txt
 file2.txt
 file11.txt

mysql-test/t/mysqltest.test

@@ -2496,6 +2496,8 @@ write_file $MYSQLTEST_VARDIR/tmp/testdir/file1.txt;
 hello
 EOF
 
+# Verify that --replace_result also work on list_files
+--replace_result file REPLACED_FILE
 list_files $MYSQLTEST_VARDIR/tmp/testdir;
 # list_files gets the directory list before creating the new file
 list_files_write_file $MYSQLTEST_VARDIR/tmp/testdir/file2.txt $MYSQLTEST_VARDIR/tmp/testdir *;