From 84c703a89e88fe6be8686a5e50a4bc8d5d799492 Mon Sep 17 00:00:00 2001
From: "Martin A. Brown" <martin@linux-ip.net>
Date: Fri, 1 Apr 2016 23:23:23 -0700
Subject: [PATCH] skip the MD5SUM file

---
 tldp/doctypes/docbooksgml.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tldp/doctypes/docbooksgml.py b/tldp/doctypes/docbooksgml.py
index f583d63..1ef1c53 100644
--- a/tldp/doctypes/docbooksgml.py
+++ b/tldp/doctypes/docbooksgml.py
@@ -127,7 +127,9 @@ class DocbookSGML(BaseDoctype, SignatureChecker):
                 logger.error("%s expected to find %s",
                              self.source.stem, self.output.dirname)
                 return False
-        s = '''find . -mindepth 1 -maxdepth 1 -not -type d -delete -print'''
+        preserve = os.path.basename(self.output.MD5SUMS)
+        s = '''find . -mindepth 1 -maxdepth 1 -not -type d -not -name {} -delete -print'''
+        s = s.format(preserve)
         return self.shellscript(s, **kwargs)
 
     @depends(cleaned_indexsgml)