# /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 # https://tiswww.case.edu/php/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_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 # If you have a custom file, chances are high that it's not the default. used_default_dircolors="no" eval "$(dircolors -b ~/.dir_colors)" elif [[ -f /etc/DIR_COLORS ]] ; then # People might have customized the system database. used_default_dircolors="maybe" eval "$(dircolors -b /etc/DIR_COLORS)" else used_default_dircolors="yes" eval "$(dircolors -b)" fi if [[ -n ${LS_COLORS:+set} ]] ; then use_color=true fi unset used_default_dircolors 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 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 sh