patch 7.4.1699

Problem:    :packadd does not work the same when used early or late.
Solution:   Always load plugins matching "plugin/**/*.vim".

Author: brammool

src/ex_cmds2.c

@@ -3376,7 +3376,7 @@ add_pack_plugin(char_u *fname, void *cookie)
 
     if (load_files)
     {
-	static char *plugpat = "%s/plugin/*.vim";
+	static char *plugpat = "%s/plugin/**/*.vim";
 	static char *ftpat = "%s/ftdetect/*.vim";
 	int	    len;
 	char_u	    *pat;

src/testdir/test_packadd.vim

@@ -11,7 +11,7 @@ func TearDown()
 endfunc
 
 func Test_packadd()
-  call mkdir(s:plugdir . '/plugin', 'p')
+  call mkdir(s:plugdir . '/plugin/also', 'p')
   call mkdir(s:plugdir . '/ftdetect', 'p')
   set rtp&
   let rtp = &rtp
@@ -21,13 +21,18 @@ func Test_packadd()
   call setline(1, 'let g:plugin_works = 42')
   wq
 
+  exe 'split ' . s:plugdir . '/plugin/also/loaded.vim'
+  call setline(1, 'let g:plugin_also_works = 77')
+  wq
+
   exe 'split ' . s:plugdir . '/ftdetect/test.vim'
   call setline(1, 'let g:ftdetect_works = 17')
   wq
 
   packadd mytest
 
   call assert_equal(42, g:plugin_works)
+  call assert_equal(77, g:plugin_also_works)
   call assert_equal(17, g:ftdetect_works)
   call assert_true(len(&rtp) > len(rtp))
   call assert_true(&rtp =~ 'testdir/Xdir/pack/mine/opt/mytest\($\|,\)')

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1699,
 /**/
     1698,
 /**/