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#
# OpenVPN -- An application to securely tunnel IP networks
# over a single UDP port, with support for SSL/TLS-based
# session authentication and key exchange,
# packet encryption, packet authentication, and
# packet compression.
#
# Copyright (C) 2022-2023 OpenVPN Inc <sales@openvpn.net>
# Copyright (C) 2022-2022 Lev Stipakov <lev@lestisoftware.fi>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Usage: ./git-version.py [directory]
# Find a good textual representation of the git commit currently checked out.
# Make that representation available as CONFIGURE_GIT_REVISION in
# <directory>/config-version.h.
# It will prefer a tag name if it is checked out exactly, otherwise will use
# the branch name. 'none' if no branch is checked out (detached HEAD).
# This is used to enhance the output of openvpn --version with Git information.
import os
import sys
import subprocess
def run_command(args):
sp = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
o, _ = sp.communicate()
return o.decode("utf-8")[:-1]
def get_branch_commit_id():
commit_id = run_command(["git", "rev-parse", "--short=16", "HEAD"])
if not commit_id:
raise
branch = run_command(["git", "describe", "--exact-match"])
if not branch:
# this returns an array like ["master"] or ["release", "2.6"]
branch = run_command(["git", "rev-parse", "--symbolic-full-name", "HEAD"]).split("/")[2:]
if not branch:
branch = ["none"]
branch = "/" .join(branch) # handle cases like release/2.6
return branch, commit_id
def main():
try:
branch, commit_id = get_branch_commit_id()
except:
branch, commit_id = "unknown", "unknown"
prev_content = ""
name = os.path.join("%s" % (sys.argv[1] if len(sys.argv) > 1 else "."), "config-version.h")
try:
with open(name, "r") as f:
prev_content = f.read()
except:
# file doesn't exist
pass
content = "#define CONFIGURE_GIT_REVISION \"%s/%s\"\n" % (branch, commit_id)
content += "#define CONFIGURE_GIT_FLAGS \"\"\n"
if prev_content != content:
print("Writing %s" % name)
with open(name, "w") as f:
f.write(content)
else:
print("Content of %s hasn't changed" % name)
if __name__ == "__main__":
main()
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