fix home envvar not defined during fstab mount

Author: balazser

gitfs/utils/args.py

@@ -185,7 +185,7 @@ def get_repo_path(self, args):
  return tempfile.mkdtemp(dir="/var/lib/gitfs")
 
  def get_ssh_key(self, args):
- return os.environ["HOME"] + "/.ssh/id_rsa"
+ return os.getenv("HOME", "/root/") + "/.ssh/id_rsa"
 
  def get_sentry_dsn(self, args):
  return os.environ["SENTRY_DSN"] if "SENTRY_DSN" in os.environ else ""