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#!/usr/bin/env python3
# Copyright 2014 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This program is a wrapper to run external commands. It determines
what to run, sets up the environment and executes the command."""
import sys, os, subprocess, shutil
def run_command(source_dir, build_dir, subdir, command, arguments):
env = {'MESON_SOURCE_ROOT' : source_dir,
'MESON_BUILD_ROOT' : build_dir,
'MESON_SUBDIR' : subdir
}
cwd = os.path.join(source_dir, subdir)
child_env = os.environ.copy()
child_env.update(env)
# Is the command an executable in path?
exe = shutil.which(command)
if exe is not None:
command_array = [exe] + arguments
return subprocess.Popen(command_array, env=child_env, cwd=cwd)
# No? Maybe it is a script in the source tree.
fullpath = os.path.join(source_dir, subdir, command)
command_array = [fullpath] + arguments
try:
return subprocess.Popen(command_array,env=child_env, cwd=cwd)
except FileNotFoundError:
print('Could not execute command "%s".' % command)
sys.exit(1)
if __name__ == '__main__':
if len(sys.argv) < 5:
print(sys.argv[0], '<source dir> <build dir> <subdir> <command> [arguments]')
src_dir = sys.argv[1]
build_dir = sys.argv[2]
subdir = sys.argv[3]
command = sys.argv[4]
arguments = sys.argv[5:]
sys.exit(run_command(src_dir, build_dir, subdir, command, arguments).returncode)
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