From 8dd1a763317ffb423a6e08a118d638215946269d Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 7 Jan 2017 17:05:31 +0000
Subject: dgit-badcommit-fixup: Do not investigate symrefs

Closes:#850547.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

dgit-badcommit-fixup:
* Do not investigate symrefs.  Closes:#850547.
---
 dgit-badcommit-fixup | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'dgit-badcommit-fixup')

diff --git a/dgit-badcommit-fixup b/dgit-badcommit-fixup
index 0a1ebcf..8b202c0 100755
--- a/dgit-badcommit-fixup
+++ b/dgit-badcommit-fixup
@@ -234,6 +234,17 @@ foreach my $rline (split /\n/, $refs) {
 	next;
     }
     next if $refname =~ m{^refs/dgit-(?:badcommit|badfixuptest)/};
+
+    $!=0; $?=0;
+    system qw(sh -ec),
+	'exec >/dev/null git symbolic-ref -q "$1"', qw(x),
+	$refname;
+    if ($?==0) {
+	$count{symrefs_ignored}++;
+	next;
+    }
+    die "$? $!" unless $?==256;
+
     my $rewrite;
     if ($type eq 'commit') {
 	$rewrite = rewrite_commit($obj);
-- 
cgit v1.2.3