mdw@git.distorted.org.uk Git - profile/blob - bashrc

   1 # -*- mode: sh; coding: utf-8 -*-
   2 #
   3 # $Id: .bashrc,v 1.6 1996/12/08 20:33:42 mdw Exp $
   4 #
   5 # Bash session things
   6 #
   7
   8 if [ -z "$__mdw_bashrc" ]; then
   9
  10 __mdw_bashrc=done
  11
  12 [ -z "$__mdw_profile" -a -r $HOME/.bash_profile ] && . $HOME/.bash_profile
  13 [ -r /etc/bashrc ] && . /etc/bashrc
  14
  15 # --- First of all, set up the prompt string ---
  16
  17 if [ -t 0 ]; then
  18
  19   if [ "$TERM" = "dumb" ]; then
  20     if (( EUID == 0 )); then PS1="# "; else PS1="\$ "; fi
  21     PS2="> "
  22     PS4="+ "
  23   else
  24
  25     case "$TERM" in
  26       linux*|screen*|xterm*|vt100*)
  27         bold='\[\e[1m\]' unbold='\[\e[m\]' nl='\[
\]' ;;
  28       *)
  29         bold='' unbold='' nl='' ;;
  30     esac
  31
  32     if (( EUID == 0 )); then
  33       left=`echo « | iconv -f utf8 -t //translit`
  34       right=`echo » | iconv -f utf8 -t //translit`
  35     else
  36       case $USER in
  37         mdw|mwooding)
  38           u="" left="[" right="]"
  39           ;;
  40         *)
  41           u="\\u@" left="{" right="}"
  42           ;;
  43       esac
  44       if [ "$__mdw_tty" = "`tty`" ]; then
  45         left="<" right=">"
  46       else
  47         export __mdw_tty="`tty`"
  48       fi
  49     fi
  50
  51     if [ -z "$SSH_CLIENT" ] &&
  52       [ "$__mdw_sechost" != "`hostname`" ]
  53       then
  54       sec_l='(' sec_r=')'
  55     fi
  56
  57     PS1="$nl$bold$left$sec_l$u\\h$sec_r \\w$right$unbold"
  58     PS2="$PS1 $bold>$unbold "
  59   fi
  60
  61 fi # is stdin a tty?
  62
  63 # --- Little preferences ---
  64
  65 notify=1
  66 set -b
  67 shopt -u cdable_vars
  68 shopt -s cdspell
  69 shopt -s checkhash
  70 shopt -s checkwinsize
  71 shopt -s cmdhist
  72 shopt -u dotglob
  73 shopt -s expand_aliases
  74 shopt -s extglob
  75 shopt -s histappend
  76 shopt -s histreedit
  77 shopt -u histverify
  78 shopt -s hostcomplete
  79 shopt -s huponexit
  80 shopt -s interactive_comments
  81 shopt -s lithist
  82 shopt -u mailwarn
  83 shopt -u nocaseglob
  84 shopt -u nullglob
  85 shopt -s promptvars
  86 shopt -u shift_verbose
  87 shopt -s sourcepath
  88
  89 # --- Set the CDPATH ---
  90 #
  91 # CDPATH=~/src:/usr/src:/usr/lib:/usr/share
  92 # dots=..
  93 # i=6
  94 # while (( i > 0 )); do
  95 #   CDPATH=$CDPATH:$dots
  96 #   dots=$dots/..
  97 #   (( i -= 1 ))
  98 # done
  99 # CDPATH=$CDPATH:/
 100
 101 # --- Some colour `ls' support ---
 102
 103 [ "${TMPDIR+yes}" ] || eval `tmpdir -b`
 104 if [ -x /usr/bin/dircolors -o -x /usr/local/bin/dircolors ] &&
 105    [ "$TERM" != "dumb" ]; then
 106   eval `dircolors -b ~/.dircolors`
 107 else
 108   unset LS_COLORS
 109 fi
 110
 111 ls () {
 112   if [ -t 1 ]; then
 113     command ls $LS_OPTIONS ${LS_COLORS+--color=auto} "$@"
 114   else
 115     command ls "$@"
 116   fi
 117 }
 118
 119 # --- Set up some simple aliases ---
 120
 121 alias cx='chmod a+x'
 122 alias which="command -v"
 123 alias ssync="rsync -e ssh"
 124 alias rootly=$__MDW_ROOTLY
 125 alias r=rootly
 126 alias re="rootly $EDITOR"
 127 alias pstree="pstree -Ghl"
 128 alias cdtmp='cd ${TMPDIR-/tmp}'
 129 alias pushtmp='pushd ${TMPDIR-/tmp}'
 130 alias e="$EDITOR"
 131 alias svn="svnwrap svn"
 132 alias @="ssh"
 133
 134 [ -r /etc/bash_completion ] && . /etc/bash_completion
 135 [ -r $HOME/.bash_completion ] && . $HOME/.bash_completion
 136
 137 # --- Make `xt' start an xterm, maybe logging into a remote host ---
 138
 139 xt () {
 140   case "$1" in
 141     @*)
 142       local remote=${1#@} title
 143       shift
 144       if [ $# -gt 0 ]; then
 145         title="xterm [$remote] $1"
 146       else
 147         title="xterm [$remote]"
 148       fi
 149       (xterm -title "$title" -e ssh $remote "$@" &)
 150       ;;
 151     *)
 152       (xterm "$@" &)
 153       ;;
 154   esac
 155 }
 156
 157 # --- Turning on and off core dumps ---
 158
 159 core () {
 160   case "x$1" in
 161     xon|xy|xyes)
 162       ulimit -Sc `ulimit -Hc`
 163       ;;
 164     xoff|xn|xno)
 165       ulimit -Sc 0
 166       ;;
 167     x)
 168       local l=`ulimit -Sc`
 169       case $l in
 170         0) echo "Core dumps disabled" ;;
 171         unlimited) echo "Core dumps enabled" ;;
 172         *) echo "Core dump limit is $l blocks" ;;
 173       esac
 174       ;;
 175     *)
 176       echo >&2 "usage: core [yn]"
 177       return 1
 178       ;;
 179   esac
 180 }
 181
 182 # --- Turning on and off path hacks ---
 183
 184 path-add () {
 185   local pathvar export dir val
 186   case $# in
 187     1) pathvar=PATH dir=$1 export="export PATH";;
 188     2) pathvar=$1 dir=$2 export=:;;
 189     *) echo >&2 "Usage: $0 [VAR] DIR";;
 190   esac
 191   eval "val=\$$pathvar"
 192   case ":$val:" in
 193     *:"$dir":*) ;;
 194     *) val=$dir:$val ;;
 195   esac
 196   eval "$pathvar=\$val"
 197   $export
 198 }
 199
 200 path-remove () {
 201   local pathvar export dir val
 202   case $# in
 203     1) pathvar=PATH dir=$1 export="export PATH";;
 204     2) pathvar=$1 dir=$2 export=:;;
 205     *) echo >&2 "Usage: $0 [VAR] DIR";;
 206   esac
 207   eval "val=\$$pathvar"
 208   case ":$val:" in
 209     :"$dir":) val= ;;
 210     :"$dir":*) val=${val#$dir:} ;;
 211     *:"$dir":) val=${val%:$dir} ;;
 212     *:"$dir":*) val=${val/:$dir:/:} ;;
 213   esac
 214   eval "$pathvar=\$val"
 215   $export
 216 }
 217
 218 pathhack () {
 219   if [ $# -eq 0 ]; then
 220     local IFS=:
 221     for e in $PATH; do
 222       case "$e" in
 223         "$HOME/bin/hacks/"*)
 224           echo ${e#$HOME/bin/hacks/}
 225           ;;
 226       esac
 227     done
 228     return
 229   fi
 230   local force=nil
 231   local path=$PATH
 232   while [ $# -gt 0 ]; do
 233     arg=$1
 234     case "$arg" in
 235       -f | --force)
 236         force=t
 237         shift
 238         continue
 239         ;;
 240       --)
 241         shift
 242         break
 243         ;;
 244       [-+]*)
 245         ;;
 246       *)
 247         break
 248         ;;
 249     esac
 250     hack=${arg#[+-]}
 251     dir=$HOME/bin/hacks/$hack
 252     [ -d "$dir" ] || {
 253       echo "$0: path hack $hack not found"
 254       return 1
 255     }
 256     case "$arg,$force,:$PATH:" in
 257       -*,*,*:"$dir":*)
 258         path-remove path "$dir"
 259         ;;
 260       +*,t,*:"$dir":*)
 261         path-remove path "$dir"
 262         path-add path "$dir"
 263         ;;
 264       +*,nil,*:"$dir":*)
 265         ;;
 266       +*,*)
 267         path-add path "$dir"
 268         ;;
 269     esac
 270     shift
 271   done
 272   if [ $# -eq 0 ]; then
 273     PATH=$path
 274     export PATH
 275   else
 276     PATH=$path "$@"
 277   fi
 278 }
 279
 280 # --- Fix `man' under Slowaris ---
 281
 282 case "$MACHTYPE" in
 283   *solaris*)
 284     man () {
 285       declare -i i=0
 286       declare arg
 287       declare -a man
 288
 289       for arg; do
 290         case "$arg" in [0-9]*) man[i+=1]="-s" ;; esac
 291         man[i+=1]="$arg"
 292       done
 293       command man "${man[@]}"
 294     }
 295     ;;
 296 esac
 297
 298 # --- For `root' use -- some simple molly-guards ---
 299
 300 if (( UID == 0 )); then
 301   alias rm='rm -i' cp='cp -i' mv='mv -i'
 302   set -o noclobber
 303 fi
 304
 305 [ -f "$HOME/.bashrc-local" ] && . "$HOME/.bashrc-local"
 306
 307 fi