X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=.bashrc;h=04df859f14367be83d2655d2f12e9aee32c2b820;hb=77917a8fbf2032a8b2634a1b3de0879ec45cf213;hp=c27af43a08e607c9c6f863c551c552608add152d;hpb=386ec3bb9a0a35be10431d3da9fa21a1d9bc29e2;p=distro-setup diff --git a/.bashrc b/.bashrc index c27af43..04df859 100644 --- a/.bashrc +++ b/.bashrc @@ -9,38 +9,37 @@ #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 $SSH_TTY, but within a script that -# won't work because tty allocation will fail. However, I do use -t for -# strange hosts, so we consider it an indicator. We could override an -# obscure unused LC_var, like telephone, but I don't want to run into -# some edge case where that messes things up. we could transfer a file -# which we could test for, but I can't think of a way to make that -# inherently limited to a single ssh command. I choose to set SendEnv -# and AcceptEnv ssh config vars to allow the environment variable -# BASH_LOGIN_SHELL to propagate across ssh. This also requires that we -# wrap ssh in interactive shells, because, once we export the var, it -# will go into scripts, and we want it to be nondefault there. -# -# -c is set whenever a command is passed to ssh -# -i is set whenever a command is not passed + +# History related options first, or else +# we risk screwing up history history. And this is duplicated +# in ~/.bash_profile just for good measure +# history number. History expansion is good. +PS4='$LINENO+ ' +# history file size limit, set to unlimited. +# this needs to be different from the default because +# default HISTFILESIZE is 500 and could clobber our history +HISTFILESIZE= +# max commands 1 session can append/read from history +HISTSIZE=1000000 +# the time format display when doing the history command +# also, setting this makes the history file record time +# of each command as seconds from the epoch +HISTTIMEFORMAT="%Y-%m-%d %I:%M %p " +# consecutive duplicate lines dont go in history +HISTCONTROL=ignoredups +# works in addition to HISTCONTROL to do more flexible things +# it could also do the same things as HISTCONTROL and thus replace it, +# but meh. dunno why, but just " *" does glob expansion, so use [ ] to avoid it. +HISTIGNORE='pass *:[ ]*:otp *:oathtool *' + + +# see comments in brc2 sl() function for background. if [[ $SSH_CONNECTION ]] \ - && [[ $- == *c* ]] \ - && [[ $- != *i* ]] \ - && { [[ ! $SSH_TTY ]] || [[ $BASH_LOGIN_SHELL == false ]] ; } ; then + && [[ $BRC != t ]]; then + brc() { + export BRC=t + source ~/.bashrc + } return 0 else @@ -77,5 +76,7 @@ else fi fi fi + + # ensure no bad programs appending to this file will have an affect return 0