vim-patch:8.0.1464: add slash when completing directory #8684

Problem:    Completing directory after :find does not add slash.
Solution:   Adjust the flags for globpath(). (Genki Sky)
https://github.com/vim/vim/commit/8a37b032895b40dd6953280c33585bcba0c7ef8b

2 files changed, 22 insertions, 11 deletions

diff --git a/src/nvim/path.c b/src/nvim/path.c
index b1e1bf3b2f..d5c636ff08 100644
--- a/src/nvim/path.c
+++ b/src/nvim/path.c
@@ -1051,30 +1051,35 @@ const char *gettail_dir(const char *const fname)
  * result in "gap".
  * Returns the total number of matches.
  */
-static int 
-expand_in_path (
-    garray_T *gap,
-    char_u *pattern,
-    int flags                      /* EW_* flags */
+static int expand_in_path(
+    garray_T *const gap,
+    char_u *const pattern,
+    const int flags                 // EW_* flags
 )
 {
-  char_u      *curdir;
   garray_T path_ga;
-  char_u      *paths = NULL;
 
-  curdir = xmalloc(MAXPATHL);
+  char_u *const curdir = xmalloc(MAXPATHL);
   os_dirname(curdir, MAXPATHL);
 
   ga_init(&path_ga, (int)sizeof(char_u *), 1);
   expand_path_option(curdir, &path_ga);
   xfree(curdir);
-  if (GA_EMPTY(&path_ga))
+  if (GA_EMPTY(&path_ga)) {
     return 0;
+  }
 
-  paths = ga_concat_strings(&path_ga);
+  char_u *const paths = ga_concat_strings(&path_ga);
   ga_clear_strings(&path_ga);
 
-  globpath(paths, pattern, gap, (flags & EW_ICASE) ? WILD_ICASE : 0);
+  int glob_flags = 0;
+  if (flags & EW_ICASE) {
+    glob_flags |= WILD_ICASE;
+  }
+  if (flags & EW_ADDSLASH) {
+    glob_flags |= WILD_ADD_SLASH;
+  }
+  globpath(paths, pattern, gap, glob_flags);
   xfree(paths);
 
   return gap->ga_len;
diff --git a/src/nvim/testdir/test_find_complete.vim b/src/nvim/testdir/test_find_complete.vim
index 1019246404..7592b16192 100644
--- a/src/nvim/testdir/test_find_complete.vim
+++ b/src/nvim/testdir/test_find_complete.vim
@@ -88,6 +88,12 @@ func Test_find_complete()
   call feedkeys(":find f\t\n", "xt")
   call assert_equal('Holy Grail', getline(1))
 
+  " Test that find completion on directory appends a slash
+  call feedkeys(":find in/pa\tfile.txt\n", "xt")
+  call assert_equal('E.T.', getline(1))
+  call feedkeys(":find ./i\tstuff.txt\n", "xt")
+  call assert_equal('Another Holy Grail', getline(1))
+
   " Test shortening of
   "
   "    foo/x/bar/voyager.txt