setup/bashrc

   1 # /etc/bashrc
   2
   3 # System wide functions and aliases
   4 # Environment stuff goes in /etc/profile
   5
   6 # It's NOT a good idea to change this file unless you know what you
   7 # are doing. It's much better to create a custom.sh shell script in
   8 # /etc/profile.d/ to make custom changes to your environment, as this
   9 # will prevent the need for merging in future updates.
  10
  11 # Prevent doublesourcing
  12 if [ -z "$BASHRCSOURCED" ]; then
  13   BASHRCSOURCED="Y"
  14
  15   # are we an interactive shell?
  16   if [ "$PS1" ]; then
  17     if [ -z "$PROMPT_COMMAND" ]; then
  18       case $TERM in
  19       xterm*)
  20         if [ -e /etc/sysconfig/bash-prompt-xterm ]; then
  21             PROMPT_COMMAND=/etc/sysconfig/bash-prompt-xterm
  22         else
  23             PROMPT_COMMAND='printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/\~}"'
  24         fi
  25         ;;
  26       screen*)
  27         if [ -e /etc/sysconfig/bash-prompt-screen ]; then
  28             PROMPT_COMMAND=/etc/sysconfig/bash-prompt-screen
  29         else
  30             PROMPT_COMMAND='printf "\033k%s@%s:%s\033\\" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/\~}"'
  31         fi
  32         ;;
  33       *)
  34         [ -e /etc/sysconfig/bash-prompt-default ] && PROMPT_COMMAND=/etc/sysconfig/bash-prompt-default
  35         ;;
  36       esac
  37     fi
  38     # Turn on parallel history
  39     shopt -s histappend
  40     # Turn on checkwinsize
  41     shopt -s checkwinsize
  42     [ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\u@\h \W]\\$ "
  43     # You might want to have e.g. tty in prompt (e.g. more virtual machines)
  44     # and console windows
  45     # If you want to do so, just add e.g.
  46     # if [ "$PS1" ]; then
  47     #   PS1="[\u@\h:\l \W]\\$ "
  48     # fi
  49     # to your custom modification shell script in /etc/profile.d/ directory
  50   fi
  51
  52   if ! shopt -q login_shell ; then # We're not a login shell
  53     # Need to redefine pathmunge, it gets undefined at the end of /etc/profile
  54     pathmunge () {
  55         case ":${PATH}:" in
  56             *:"$1":*)
  57                 ;;
  58             *)
  59                 if [ "$2" = "after" ] ; then
  60                     PATH=$PATH:$1
  61                 else
  62                     PATH=$1:$PATH
  63                 fi
  64         esac
  65     }
  66
  67     # Set default umask for non-login shell only if it is set to 0
  68     [ `umask` -eq 0 ] && umask 022
  69
  70     SHELL=/bin/bash
  71     # Only display echos from profile.d scripts if we are no login shell
  72     # and interactive - otherwise just process them to set envvars
  73     for i in /etc/profile.d/*.sh; do
  74         if [ -r "$i" ]; then
  75             if [ "$PS1" ]; then
  76                 . "$i"
  77             else
  78                 . "$i" >/dev/null
  79             fi
  80         fi
  81     done
  82
  83     unset i
  84     unset -f pathmunge
  85   fi
  86
  87 fi
  88 # vim:ts=4:sw=4