userguide: dynamically determine copyright date

This uses the date of doc generation to determine the copyright date
for the trailing date. Based on Jeff Lucovsky solution.

(cherry picked from commit e0c8dba7ac6eaa757daf80245688f9f2b2496eff)

diff --git a/doc/userguide/conf.py b/doc/userguide/conf.py
index baf4726e6238654da01f03facec7831d1ed43f9c..1474dd87afb83e108ecb777de4da1de3185db250 100644 (file)
--- a/doc/userguide/conf.py
+++ b/doc/userguide/conf.py
@@ -16,6 +16,8 @@ import sys
 import os
 import shlex
 import re
+import subprocess
+import datetime
 
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
 
@@ -50,7 +52,8 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'Suricata'
-copyright = u'2016-2019, OISF'
+end_year = datetime.datetime.now().date().year
+copyright = u'2016-{}, OISF'.format(end_year)
 author = u'OISF'
 
 # The version info for the project you're documenting, acts as replacement for