From 8ac5eca1eaa88bd5b998e91531937404bc6425c4 Mon Sep 17 00:00:00 2001
From: Pelle Wessman <pelle@kodfabrik.se>
Date: Wed, 30 Sep 2009 14:29:42 +0200
Subject: [PATCH] Check that the type of the tree really is a tree and not a
 commit as it seems to sometimes become when eg. a submodule has existed in
 the same position previously.

---
 git-subtree.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/git-subtree.sh b/git-subtree.sh
index b7c741cfd4..454ce7ef22 100755
--- a/git-subtree.sh
+++ b/git-subtree.sh
@@ -322,6 +322,7 @@ subtree_for_commit()
 	git ls-tree "$commit" -- "$dir" |
 	while read mode type tree name; do
 		assert [ "$name" = "$dir" ]
+		assert [ "$type" = "tree" ]
 		echo $tree
 		break
 	done