# /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|tmux*) PS1='\[\033]0;\u@\h:\w\007\]' ;; screen*) PS1='\[\033_\u@\h:\w\033\\\]' ;; *) 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. # We run dircolors directly due to its changes in file syntax and # terminal name patching. use_color=false if type -P dircolors >/dev/null ; then # Enable colors for ls, etc. Prefer ~/.dir_colors #64489 LS_COLORS= if [[ -f ~/.dir_colors ]] ; then eval "$(dircolors -b ~/.dir_colors)" elif [[ -f /etc/DIR_COLORS ]] ; then eval "$(dircolors -b /etc/DIR_COLORS)" else eval "$(dircolors -b)" fi # Note: We always evaluate the LS_COLORS setting even when it's the # default. If it isn't set, then `ls` will only colorize by default # based on file attributes and ignore extensions (even the compiled # in defaults of dircolors). #583814 if [[ -n ${LS_COLORS:+set} ]] ; then use_color=true else # Delete it if it's empty as it's useless in that case. unset LS_COLORS 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|tmux|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' else # show root@ when we don't have colors PS1+='\u@\h \w \$ ' 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 sh