dir.c: fix Dir.glob with braces and matching dir

* dir.c (join_path_from_pattern): add the last slash for directory
  matching.

* test/ruby/test_dir.rb (test_glob_recursive_directory): add a test
  for above.
  [ruby-core:91110] [Bug #15540]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66838 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/dir.c b/dir.c
index 2196344fc3..7e5b80793f 100644
--- a/dir.c
+++ b/dir.c
@@ -2052,6 +2052,10 @@ join_path_from_pattern(struct glob_pattern **beg)
 	  case RECURSIVE:
 	    str = "**";
 	    break;
+	  case MATCH_DIR:
+	    /* append last slash */
+	    str = "";
+	    break;
 	  default:
 	    str = p->str;
 	    if (!str) continue;