From 152d6e7081e4a4a6ccdfe744f885ebde57866e14 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 19 Aug 2018 20:56:24 +0100
Subject: [PATCH] git-debrebase: get_tree: Check we got an object name

Otherwise the cache is dangerous.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 git-debrebase | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/git-debrebase b/git-debrebase
index 3be444b9..165dc66a 100755
--- a/git-debrebase
+++ b/git-debrebase
@@ -196,6 +196,8 @@ sub get_tree ($;$$) {
 	return () if $type eq 'missing';
     }
 
+    confess "get_tree needs object not $x ?" unless $x =~ m{^[0-9a-f]+\:};
+
     our (@get_tree_memo, %get_tree_memo);
     my $memo = $get_tree_memo{$x};
     return @$memo if $memo;
-- 
2.30.2