Merge branch 'jc/apply' into next

* jc/apply:
  git-am: use apply --cached
  apply --cached: apply a patch without using working tree.

diff --cc apply.c
index 8391daf91772899c7b768de6f1aab272f2d2e79e,b3b9b40596ef4af5c2187b0d1227e17cadecd342..5bd50733656eee24f59486553f5afaaac9a784bc
--- 1/apply.c
--- 2/apply.c
+++ b/apply.c
@@@ -1894,9 -1915,9 +1916,10 @@@ static void remove_file(struct patch *p
        if (write_index) {
                if (remove_file_from_cache(patch->old_name) < 0)
                        die("unable to remove %s from index", patch->old_name);
 +              cache_tree_invalidate_path(active_cache_tree, patch->old_name);
        }
-       unlink(patch->old_name);
+       if (!cached)
+               unlink(patch->old_name);
  }
  
  static void add_index_file(const char *path, unsigned mode, void *buf, unsigned long size)

diff --cc git-am.sh
Simple merge