1 files changed, 12 insertions, 0 deletions

diff --git a/doc/gen_pkgdiff.py b/doc/gen_pkgdiff.py
index ddacf44..11b3809 100644
--- a/doc/gen_pkgdiff.py
+++ b/doc/gen_pkgdiff.py
@@ -108,6 +108,18 @@ elif len(sys.argv) == 1:
     prev_lic_file = get_param("prev_lic_file")
     new_lic_file  = get_param("new_lic_file")
 
+    if not (prev_baseline and prev_lic_file and new_lic_file):
+        print '<?xml version="1.0" encoding="ISO-8859-1"?>'
+        print '<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"'
+        print '"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">'
+        print '<section id="relinfo-package-set-changes">'
+        print '  <title>Changes in the Set of Provided Package</title>'
+        print '  <para>'
+        print '    N/A. No previous baseline defined.'
+        print '  </para>'
+        print '</section>'
+        exit(0)
+
     new_file = os.path.relpath(os.path.join(repo_root, new_lic_file))
     prev_file = "%s:%s" % (prev_baseline, prev_lic_file)