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version.py
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	# -- coding: utf-8 --

	# @file
	# @section LICENSE
	#
	# Copyright (©) 2016-19 EPFL (École Polytechnique Fédérale de Lausanne),
	# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
	#
	# This program is free software: you can redistribute it and/or modify
	# it under the terms of the GNU Affero General Public License as published
	# by the Free Software Foundation, either version 3 of the License, or
	# (at your option) any later version.
	#
	# 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. If not, see <https://www.gnu.org/licenses/>.

	import subprocess
	import base64


	def git(*args):
	"""Run a git command"""
	try:
	return subprocess.check_output(["git"] + list(args))
	except subprocess.CalledProcessError:
	return ""


	def get_git_subst():
	"""Get info about state of git repository"""
	branch = git("rev-parse", "--abbrev-ref", "HEAD")[:-1]
	commit = git("rev-parse", branch)[:-1]
	diff = git("diff")
	diff += "\|".encode('ascii') + git("diff", "--cached")
	remotes = git('remote', '-v')

	if remotes != "":
	remotes_string = remotes[:-1].replace('\n', '\\\\n')
	else:
	remotes_string = '""'

	return {
	'@commit@': commit,
	'@branch@': branch,
	'@diff@': base64.b64encode(diff),
	'@remotes@': remotes_string,
	}