stat() may follow a symlink and return stat data of the link's target
instead of the link itself. We are concerned about the link itself.

Signed-off-by: Nguyễn Thái Ngọc Duy <[email protected]>
---
 I noticed this while looking at the untracked cache bug [1] but
 because it's not directly related to that bug, I'm submitting it
 separately here.

 [1] 
https://public-inbox.org/git/cacsjy8ambksp0mdlradcwn45veenc03b-gq8r8pqprdt9bm...@mail.gmail.com/

 dir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dir.c b/dir.c
index 7c4b45e30e..edcb7bb462 100644
--- a/dir.c
+++ b/dir.c
@@ -1809,7 +1809,7 @@ static int valid_cached_dir(struct dir_struct *dir,
         */
        refresh_fsmonitor(istate);
        if (!(dir->untracked->use_fsmonitor && untracked->valid)) {
-               if (stat(path->len ? path->buf : ".", &st)) {
+               if (lstat(path->len ? path->buf : ".", &st)) {
                        invalidate_directory(dir->untracked, untracked);
                        memset(&untracked->stat_data, 0, 
sizeof(untracked->stat_data));
                        return 0;
-- 
2.15.0.320.g0453912d77

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