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# /etc/bash/bashrc
#
# This file is sourced by all *interactive* bash shells on startup,
# including some apparently interactive shells such as scp and rcp
# that can't tolerate any output. So make sure this doesn't display
# anything or bad things will happen !
# Test for an interactive shell. There is no need to set anything
# past this point for scp and rcp, and it's important to refrain from
# outputting anything in those cases.
if [[ $- != *i* ]] ; then
# Shell is non-interactive. Be done now!
return
fi
# Bash won't get SIGWINCH if another process is in the foreground.
# Enable checkwinsize so that bash will check the terminal size when
# it regains control. #65623
# http://cnswww.cns.cwru.edu/~chet/bash/FAQ (E11)
shopt -s checkwinsize
# Disable completion when the input buffer is empty. i.e. Hitting tab
# and waiting a long time for bash to expand all of $PATH.
shopt -s no_empty_cmd_completion
# Enable history appending instead of overwriting when exiting. #139609
shopt -s histappend
# Save each command to the history file as it's executed. #517342
# This does mean sessions get interleaved when reading later on, but this
# way the history is always up to date. History is not synced across live
# sessions though; that is what `history -n` does.
# Disabled by default due to concerns related to system recovery when $HOME
# is under duress, or lives somewhere flaky (like NFS). Constantly syncing
# the history will halt the shell prompt until it's finished.
#PROMPT_COMMAND='history -a'
# Change the window title of X terminals
case ${TERM} in
[aEkx]term*|rxvt*|gnome*|konsole*|interix)
PS1='\[\033]0;\u@\h:\w\007\]'
;;
screen*)
PS1='\[\033k\u@\h:\w\033\\\]'
;;
*)
unset PS1
;;
esac
# Set colorful PS1 only on colorful terminals.
# dircolors --print-database uses its own built-in database
# instead of using /etc/DIR_COLORS. Try to use the external file
# first to take advantage of user additions. Use internal bash
# globbing instead of external grep binary.
use_color=false
safe_term=${TERM//[^[:alnum:]]/?} # sanitize TERM
match_lhs=""
[[ -f ~/.dir_colors ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
[[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
[[ -z ${match_lhs} ]] \
&& type -P dircolors >/dev/null \
&& match_lhs=$(dircolors --print-database)
[[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true
if ${use_color} ; then
# Enable colors for ls, etc. Prefer ~/.dir_colors #64489
if type -P dircolors >/dev/null ; then
if [[ -f ~/.dir_colors ]] ; then
eval $(dircolors -b ~/.dir_colors)
elif [[ -f /etc/DIR_COLORS ]] ; then
eval $(dircolors -b /etc/DIR_COLORS)
fi
fi
else
# Some systems (e.g. BSD & embedded) don't typically come with
# dircolors so we need to hardcode some terminals in here.
case ${TERM} in
[aEkx]term*|rxvt*|gnome*|konsole*|screen|cons25|*color) use_color=true;;
esac
fi
if ${use_color} ; then
if [[ ${EUID} == 0 ]] ; then
PS1+='\[\033[01;31m\]\h\[\033[01;34m\] \W \$\[\033[00m\] '
else
PS1+='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
fi
#BSD#@export CLICOLOR=1
#GNU#@alias ls='ls --color=auto'
alias grep='grep --colour=auto'
alias egrep='egrep --colour=auto'
alias fgrep='fgrep --colour=auto'
else
if [[ ${EUID} == 0 ]] ; then
# show root@ when we don't have colors
PS1+='\u@\h \W \$ '
else
PS1+='\u@\h \w \$ '
fi
fi
for sh in /etc/bash/bashrc.d/* ; do
[[ -r ${sh} ]] && source "${sh}"
done
# Try to keep environment pollution down, EPA loves us.
unset use_color safe_term match_lhs sh
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