From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 19 Aug 2018 19:56:24 +0000 (+0100)
Subject: git-debrebase: get_tree: Check we got an object name
X-Git-Tag: archive/debian/6.7~22
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=commitdiff_plain;h=152d6e7081e4a4a6ccdfe744f885ebde57866e14

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>
---

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;