#
# $Id: .bashrc,v 1.6 1996/12/08 20:33:42 mdw Exp $
#
# Bash session things
#

if [ -z "$__mdw_bashrc" ]; then

__mdw_bashrc=done

[ -z "$__mdw_profile" -a -r $HOME/.bash_profile ] && . $HOME/.bash_profile
[ -r /etc/bashrc ] && . /etc/bashrc

# --- First of all, set up the prompt string ---

if [ -t 0 ]; then

  if [ "$TERM" = "dumb" ]; then
    if (( EUID == 0 )); then PS1="# "; else PS1="\$ "; fi
    PS2="> "
    PS4="+ "
  else
    
    case "$TERM" in
      linux*|screen*|xterm*|vt100*)
	bold='\[\]' unbold='\[\]' nl='\[
\]' ;;
      *)
	bold='' unbold='' nl='' ;;
    esac

    if (( EUID == 0 )); then
      left="«" right="»"
    elif [ "$__mdw_tty" = "`tty`" ]; then
      left="<" right=">"
    else
      left="[" right="]"
      export __mdw_tty="`tty`"
    fi

    if [ -z "$SSH_CLIENT" ] &&
      [ "$__mdw_sechost" != "`hostname`" ]
      then
      sec_l='(' sec_r=')'
    fi

    PS1="$nl$bold$left$sec_l\\h$sec_r \\w$right$unbold"
    PS2="$PS1 $bold>$unbold "
  fi

fi # is stdin a tty?

# --- Little preferences ---

notify=1
set -b
shopt -u cdable_vars
shopt -s cdspell
shopt -s checkhash
shopt -s checkwinsize
shopt -s cmdhist
shopt -u dotglob
shopt -s expand_aliases
shopt -s extglob
shopt -s histappend
shopt -s histreedit
shopt -u histverify
shopt -s hostcomplete
shopt -s huponexit
shopt -s interactive_comments
shopt -s lithist
shopt -u mailwarn
shopt -u nocaseglob
shopt -u nullglob
shopt -s promptvars
shopt -u shift_verbose
shopt -s sourcepath

# --- Set the CDPATH ---
# 
# CDPATH=~/src:/usr/src:/usr/lib:/usr/share
# dots=..
# i=6
# while (( i > 0 )); do
#   CDPATH=$CDPATH:$dots
#   dots=$dots/..
#   (( i -= 1 ))
# done
# CDPATH=$CDPATH:/

# --- Some colour `ls' support ---

[ "${TMPDIR+yes}" ] || eval `tmpdir -b`
if [ -x /usr/bin/dircolors -o -x /usr/local/bin/dircolors ] &&
   [ "$TERM" != "dumb" ]; then
  eval `dircolors -b ~/.dircolors`
else
  unset LS_COLORS
fi

ls () {
  if [ -t 1 ]; then
    command ls $LS_OPTIONS ${LS_COLORS+--color=auto} "$@"
  else
    command ls "$@"
  fi
}

# --- Setting xterm titles ---
#
# This doesn't work so well any more. :-(

# if [ -e /usr/lib/bash/xtitle.so ]; then
#   enable -f /usr/lib/bash/xtitle.so xtitle
# elif [ -e /usr/local/lib/xtitle.so ]; then
#   enable -f /usr/local/lib/xtitle.so xtitle
# elif [ -e $HOME/lib/bash/xtitle.so ]; then
#   enable -f $HOME/lib/bash/xtitle.so xtitle
# else
#   xtitle () { return 1; }
# fi
xtitle () { return 1; }

entitle () {
  local t="`xtitle -q`" st
  xtitle "$t $1"
  shift
  "$@"; st=$?
  xtitle "$t"
  return $st
}

# --- Set up some simple aliases ---

alias cx='chmod a+x'
alias which="command -v"
alias ssync="rsync -e ssh"
alias rootly="entitle root become -g0 root"
alias r=rootly
alias re="rootly sensible-editor"
alias eh="entitle 'Egham Hills 90210' tf eh"
alias news="entitle Usenet slrn"
alias splitvt='splitvt -t "`xtitle -q || echo xterm` splitvt"'
alias pstree="pstree -Ghl"
alias cdtmp='cd ${TMPDIR-/tmp}'
alias pushtmp='pushd ${TMPDIR-/tmp}'
alias e="sensible-editor"
alias svn="svnwrap svn"

@ () {
  local t="`xtitle -q`" host="$1"
  shift
  xtitle "$t [$host]"
  ssh "$host" "$@"
  xtitle "$t"
}

# --- Make `xt' start an xterm, maybe logging into a remote host ---

xt () {
  case "$1" in
    @*)
      local remote=${1#@} title
      shift
      if [ $# -gt 0 ]; then
	title="xterm [$remote] $1"
      else
	title="xterm [$remote]"
      fi
      (xterm -title "$title" -e ssh $remote "$@" &)
      ;;
    *)
      (xterm "$@" &)
      ;;
  esac
}

# --- Turning on and off core dumps ---

core () {
  case "x$1" in
    xon|xy|xyes)
      ulimit -Sc `ulimit -Hc`
      ;;
    xoff|xn|xno)
      ulimit -Sc 0
      ;;
    x)
      local l=`ulimit -Sc`
      case $l in
	0) echo "Core dumps disabled" ;;
	unlimited) echo "Core dumps enabled" ;;
	*) echo "Core dump limit is $l blocks" ;;
      esac
      ;;
    *)
      echo >&2 "usage: core [yn]"
      return 1
      ;;
  esac
}

# --- Fix `man' under Slowaris ---

case "$MACHTYPE" in
  *solaris*)
    man () {
      declare -i i=0
      declare arg
      declare -a man

      for arg; do
	case "$arg" in [0-9]*) man[i+=1]="-s" ;; esac
	man[i+=1]="$arg"
      done
      command man "${man[@]}"
    }
    ;;
esac

# --- For `root' use -- some simple molly-guards ---

if (( UID == 0 )); then
  alias rm='rm -i' cp='cp -i' mv='mv -i'
  set -o noclobber
fi

fi