Merge commit '86cc97e55fe346502462284d2e636a2b3708163e' as 'Sources/OpenVPN3'

Sources/OpenVPN3/scripts/update-copyright

@@ -0,0 +1,51 @@
+#!/bin/sh
+#    update-copyright    - Simple tool to update the Copyright lines
+#                          in all files checked into git
+#
+#    Copyright (C) 2018      OpenVPN Inc
+#    Copyright (C) 2018      David Sommerseth <davids@openvpn.net>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License Version 3
+#    as published by the Free Software Foundation.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program in the COPYING file.
+#    If not, see <http://www.gnu.org/licenses/>.
+#
+
+# Basic shell sanity
+set -eu
+
+# Simple argument control
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <New Copyright Year>"
+    exit 1
+fi
+
+# Only update Copyright lines with these owners
+# The 'or' operator is GNU sed specific, and must be \|
+UPDATE_COPYRIGHT_LINES="OpenVPN Inc\|@openvpn\.net\\|unstable\.cc\|gmail\.com\|@fox-it\.com"
+COPY_YEAR="$1"
+
+cd "$(git rev-parse --show-toplevel)"
+for file in $(git ls-files | grep -v deps/);
+do
+    echo -n "Updating $file ..."
+    # The first sed operation covers 20xx-20yy copyright lines,
+    # The second sed operation changes 20xx -> 20xx-20yy
+    sed -e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) 20..-\)\(20..\)[[:blank:]]\+/\1$COPY_YEAR /" \
+        -e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) \)\(20..\)[[:blank:]]\+/\1\2-$COPY_YEAR /" \
+        -e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) $COPY_YEAR\)\(-$COPY_YEAR\)[[:blank:]]\+/\1      /" \
+        -i $file
+    echo " Done"
+done
+echo
+echo "** All files updated with $COPY_YEAR as the ending copyright year"
+echo
+exit 0