From d1417ff8fabe8a99dc6c21830b7b3169bb03aa64 Mon Sep 17 00:00:00 2001
From: shirosaki <shirosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 16 Jan 2019 14:06:37 +0000
Subject: [PATCH] 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
---
 dir.c                 |  4 ++++
 test/ruby/test_dir.rb | 14 ++++++++++++++
 2 files changed, 18 insertions(+)

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;
diff --git a/test/ruby/test_dir.rb b/test/ruby/test_dir.rb
index e248c818b6..02b9c32202 100644
--- a/test/ruby/test_dir.rb
+++ b/test/ruby/test_dir.rb
@@ -191,6 +191,20 @@ class TestDir < Test::Unit::TestCase
     end
   end
 
+  def test_glob_recursive_directory
+    Dir.chdir(@root) do
+      ['d', 'e'].each do |path|
+        FileUtils.mkdir_p("c/#{path}/a/b/c")
+        FileUtils.touch("c/#{path}/a/a.file")
+        FileUtils.touch("c/#{path}/a/b/b.file")
+        FileUtils.touch("c/#{path}/a/b/c/c.file")
+      end
+      bug15540 = '[ruby-core:91110] [Bug #15540]'
+      assert_equal(["c/d/a/", "c/d/a/b/", "c/d/a/b/c/", "c/e/a/", "c/e/a/b/", "c/e/a/b/c/"],
+                   Dir.glob('c/{d,e}/a/**/'), bug15540)
+    end
+  end
+
   if Process.const_defined?(:RLIMIT_NOFILE)
     def test_glob_too_may_open_files
       assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}", chdir: @root)