Squashed 'Sources/OpenVPN3/' content from commit 0a6e0b6e54

git-subtree-dir: Sources/OpenVPN3
git-subtree-split: 0a6e0b6e542c2d19de1f416c4caccd899d72831a

scripts/version

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+#    OpenVPN -- An application to securely tunnel IP networks
+#               over a single port, with support for SSL/TLS-based
+#               session authentication and key exchange,
+#               packet encryption, packet authentication, and
+#               packet compression.
+#
+#    Copyright (C) 2018 OpenVPN Inc.
+#
+#    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/>.
+
+set -eu
+
+# ensure this script works even when core is used as submodule, by setting
+# O3/core/.git as git folder
+export GIT_DIR=$(dirname $0)/../.git
+
+MAJOR=3
+BRANCH="$(git rev-parse --symbolic-full-name HEAD | cut -d/ -f3- | tr / _)"
+COMMIT_ID="$(git rev-list HEAD -1 --abbrev-commit)"
+
+echo "$MAJOR.git:$BRANCH:$COMMIT_ID"