Add extended globbing support

lib/zip/entry_set.rb

@@ -57,7 +57,7 @@ module Zip
       @entry_set[to_key(entry.parent_as_string)]
     end
 
-    def glob(pattern, flags = ::File::FNM_PATHNAME | ::File::FNM_DOTMATCH)
+    def glob(pattern, flags = ::File::FNM_PATHNAME | ::File::FNM_DOTMATCH | ::File::FNM_EXTGLOB)
       entries.map do |entry|
         next nil unless ::File.fnmatch(pattern, entry.name.chomp('/'), flags)
         yield(entry) if block_given?

test/entry_set_test.rb

@@ -149,4 +149,15 @@ class ZipEntrySetTest < MiniTest::Test
     # assert_equal(entries.size, res.size)
     # assert_equal(entrySet.map { |e| e.name }, res.map { |e| e.name })
   end
+
+  def test_glob3
+    entries = [
+      ::Zip::Entry.new('zf.zip', 'a/a'),
+      ::Zip::Entry.new('zf.zip', 'a/b'),
+      ::Zip::Entry.new('zf.zip', 'a/c')
+    ]
+    entrySet = ::Zip::EntrySet.new(entries)
+
+    assert_equal(entries[0, 2].sort, entrySet.glob('a/{a,b}').sort)
+  end
 end