Read .gitignore from index if it is skip-worktree

diff --git a/Documentation/git-check-ref-format.txt b/Documentation/git-check-ref-format.txt
index bf434544158fee814a9647a11102b7e1b1165720..0b7982ea76633e45b8d3073cd275ea74a757c0eb 100644 (file)
--- a/Documentation/git-check-ref-format.txt
+++ b/Documentation/git-check-ref-format.txt
@@ -25,6 +25,10 @@ imposes the following rules on how references are named:
   grouping, but no slash-separated component can begin with a
   dot `.`.
 
+. They must contain at least one `/`. This enforces the presence of a
+  category like `heads/`, `tags/` etc. but the actual names are not
+  restricted.
+
 . They cannot have two consecutive dots `..` anywhere.
 
 . They cannot have ASCII control characters (i.e. bytes whose