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Add extra checks before executing programs

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This commit is contained in:
Mathieu Comandon 2017-06-15 11:32:53 -07:00
parent 8c74cd9324
commit 95a7c8abfa
1 changed files with 11 additions and 0 deletions
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11
lutris/util/system.py
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@ -42,10 +42,21 @@ is_64bit = sys.maxsize > 2**32
def execute(command, env=None, cwd=None, log_errors=False, quiet=False):
"""Execute a system command and return its results."""
# Check if the executable exists
if not command:
logger.error("No executable provided!")
return
if os.path.isabs(command) and not path_exists(command):
logger.error("No executable found in %s" % command)
return
# Set up environment
existing_env = os.environ.copy()
if env:
existing_env.update(env)
logger.debug(' '.join('{}={}'.format(k, v) for k, v in env.items()))
if not quiet:
logger.debug("Executing %s", ' '.join(command))