Sync with 2.28.1

* maint-2.28:
  Git 2.28.1
  Git 2.27.1
  Git 2.26.3
  Git 2.25.5
  Git 2.24.4
  Git 2.23.4
  Git 2.22.5
  Git 2.21.4
  Git 2.20.5
  Git 2.19.6
  Git 2.18.5
  Git 2.17.6
  unpack_trees(): start with a fresh lstat cache
  run-command: invalidate lstat cache after a command finished
  checkout: fix bug that makes checkout follow symlinks in leading path

1 files changed, 1 insertions, 0 deletions

diff --git a/cache.h b/cache.h
index c0072d43b1..db1111dfd0 100644
--- a/cache.h
+++ b/cache.h
@@ -1746,6 +1746,7 @@ int has_symlink_leading_path(const char *name, int len);
 int threaded_has_symlink_leading_path(struct cache_def *, const char *, int);
 int check_leading_path(const char *name, int len);
 int has_dirs_only_path(const char *name, int len, int prefix_len);
+void invalidate_lstat_cache(void);
 void schedule_dir_for_removal(const char *name, int len);
 void remove_scheduled_dirs(void);