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

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