X-Git-Url: https://iankelling.org/git/?p=distro-setup;a=blobdiff_plain;f=.bashrc;h=ac3ec039e4d35ea9e63723692b173836776a3978;hp=da70b0726f1ae5221626d84a31562693ce9d3f63;hb=79b274fcd8bfa556133ab13270e84b40aebe8468;hpb=b1c29177fe76f8f2a557f7f36c987df3ef2a6cb4 diff --git a/.bashrc b/.bashrc index da70b07..ac3ec03 100644 --- a/.bashrc +++ b/.bashrc @@ -9,47 +9,44 @@ #exec 2>>/a/tmp/bashlog -# 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. 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. - - -# first conditions show that we are an ssh command without an interactive shell +# see comments in brc2 sl() function for background. if [[ $SSH_CONNECTION ]] \ - && [[ $- == *c* ]] \ - && [[ ! $SSH_TTY ]] \ - && [[ $- != *i* ]] \ - && [[ $BASH_LOGIN_SHELL != true ]]; then - return 0 + && [[ $BRC != t ]]; then + return 0 else + + # the distinction between login and non-login shells is lame, + # get rid of it. note ssh shells normally its login if a command is passed + if ! shopt -q login_shell; then if [[ -r /etc/profile ]]; then - source /etc/profile + source /etc/profile fi - _x=$(readlink -f ${BASH_SOURCE[0]}) - _x=${_x%/*}/brc - if [[ -r $_x ]]; then - # shellcheck source=./brc - source $_x + # note, this is not exactly the same as a login shell, because that + # reads ~/.bash_profile or alternative, which usually just sources + # this file, and we don't want to do that and cause an infinite + # loop. + fi + _tmp=$(readlink -f ${BASH_SOURCE[0]}) + _tmp=${_tmp%/*} + _tmp2=$_tmp/brc + if [[ -s $_tmp2 ]]; then + # shellcheck source=./brc + source $_tmp2 + fi + # brc2 is for things i dont necessarily want on every system + _tmp2=$_tmp/brc2 + if [[ -s $_tmp2 ]]; then + # shellcheck source=./brc2 + source $_tmp2 + else + # This check is for when running the sl() command, + # and the remote host got its type misidentified. + _tmp2=$_tmp/../brc2 + if [[ -s $_tmp2 ]]; then + # shellcheck source=./brc2 + source $_tmp2 fi + fi fi # ensure no bad programs appending to this file will have an affect return 0