-# By default this file is sourced for ALL ssh commands. This is wonky.
-# Normally, this file is not sourced when a script is run, but we can
-# override that by having #!/bin/bash -l. I want something similar for ssh
-# commands. when a local script runs an ssh command, this file should not be
-# sourced by default, but we should be able to override that.
-#
-# So here we test for conditions of a script under ssh and return if so.
-# And we don't keep the rest of the code in this file, because even
-# though we return, we already parsed the whole code, and as I develop
-# the code, the parsing can have errors, which can screw up cronjobs
-# etc. To test for an overriding condition, we have a few options. one
-# is to use an environment variable. env variables sent across ssh are
-# strictly limited. ssh -t which sets $SSH_TTY, but within a script that
-# won't work because tty allocation will fail. We could override an
-# obscure unused LC_var, like telephone, but I don't want to run into
-# some edge case where that messes things up. we could transfer a file
-# which we could test for, but I can't think of a way to make that
-# inherently limited to a single ssh command. I choose to set SendEnv
-# and AcceptEnv ssh config vars to allow the environment variable
-# BASH_LOGIN_SHELL to propagate across ssh.
-
-# assume we want ssh commands to source this file if we are sourcing it,
-# and we haven't specified otherwise already
-[[ ! $BASH_LOGIN_SHELL ]] && export BASH_LOGIN_SHELL=true
-#BASH_LOGIN_SHELL=false # temporary override
-
-# first conditions show that we are an ssh command without an interactive shell