ipv6 tunnel

[distro-setup] / .bashrc

diff --git a/.bashrc b/.bashrc
index d0c4b02f6bff6fbbbdc4c647a5ecbbea8812416a..da70b0726f1ae5221626d84a31562693ce9d3f63 100644 (file)
--- a/.bashrc
+++ b/.bashrc
@@ -1,16 +1,6 @@
-# Copyright (C) 2016 Ian Kelling
-
-# 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.
+#!/bin/bash
+# Copyright (C) 2019 Ian Kelling
+# SPDX-License-Identifier: AGPL-3.0-or-later
 
 # to debug
 #set -x
@@ -38,27 +28,28 @@
 # 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.
+# BASH_LOGIN_SHELL to propagate across ssh. This also requires that we
+# wrap ssh in interactive shells, because, once we export the var, it
+# will go into scripts and theres no way to automatically set it.
 
-# 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
 if [[ $SSH_CONNECTION ]] \
        && [[ $- == *c* ]] \
        && [[ ! $SSH_TTY ]] \
        && [[ $- != *i* ]] \
-       && [[ ! $BASH_LOGIN_SHELL == true ]]; then
-    return
+       && [[ $BASH_LOGIN_SHELL != true ]]; then
+    return 0
 else
     if [[ -r /etc/profile ]]; then
         source /etc/profile
     fi
-    _x=$(readlink -f $BASH_SOURCE)
+    _x=$(readlink -f ${BASH_SOURCE[0]})
     _x=${_x%/*}/brc
     if [[ -r $_x ]]; then
+      # shellcheck source=./brc
         source $_x
     fi
 fi
+# ensure no bad programs appending to this file will have an affect
+return 0