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[profile] / bashrc
1 # -*- mode: sh; coding: utf-8 -*-
2 #
3 # Bash session things
4 #
5
6 if [ -z "$__mdw_bashrc" ]; then
7
8 __mdw_bashrc=done
9
10 [ -z "$__mdw_profile" -a -r $HOME/.bash_profile ] && . $HOME/.bash_profile
11 [ -r /etc/bashrc ] && . /etc/bashrc
12
13 # --- First of all, set up the prompt string ---
14
15 if [ -t 0 ]; then
16
17 case "$TERM" in
18 linux*|screen*|xterm*|vt100*|eterm*)
19 bold="\[$(tput bold)\]" unbold="\[$(tput sgr0)\]" nl="\[ \]" ;;
20 *)
21 bold='' unbold='' nl='' ;;
22 esac
23
24 if (( EUID == 0 )); then
25 left=`echo « | iconv -f utf8 -t //translit`
26 right=`echo » | iconv -f utf8 -t //translit`
27 else
28 case $USER in
29 mdw|mwooding)
30 u="" left="[" right="]"
31 ;;
32 *)
33 u="\\u@" left="{" right="}"
34 ;;
35 esac
36 if [ "$__mdw_tty" = "`tty`" ]; then
37 left="<" right=">"
38 else
39 export __mdw_tty="`tty`"
40 fi
41 fi
42
43 if [ -z "$SSH_CLIENT" ] &&
44 [ "$__mdw_sechost" != "`hostname`" ]
45 then
46 sec_l='(' sec_r=')'
47 fi
48
49 PS1="$nl$bold$left$sec_l$u\\h$sec_r \\w$right$unbold"
50 PS2="$PS1 $bold>$unbold "
51
52 fi # is stdin a tty?
53
54 # --- Pagers are less useful within Emacs ---
55
56 case "$INSIDE_EMACS" in
57 22.*,comint) export PAGER=cat ;;
58 esac
59
60 # --- Little preferences ---
61
62 notify=1
63 set -b
64 shopt -u cdable_vars
65 shopt -s cdspell
66 shopt -s checkhash
67 shopt -s checkwinsize
68 shopt -s cmdhist
69 shopt -u dotglob
70 shopt -s expand_aliases
71 shopt -s extglob
72 shopt -s histappend
73 shopt -s histreedit
74 shopt -u histverify
75 shopt -s hostcomplete
76 shopt -s huponexit
77 shopt -s interactive_comments
78 shopt -s lithist
79 shopt -u mailwarn
80 shopt -u nocaseglob
81 shopt -u nullglob
82 shopt -s promptvars
83 shopt -u shift_verbose
84 shopt -s sourcepath
85
86 # --- Set the CDPATH ---
87 #
88 # CDPATH=~/src:/usr/src:/usr/lib:/usr/share
89 # dots=..
90 # i=6
91 # while (( i > 0 )); do
92 # CDPATH=$CDPATH:$dots
93 # dots=$dots/..
94 # (( i -= 1 ))
95 # done
96 # CDPATH=$CDPATH:/
97
98 # --- Some colour `ls' support ---
99
100 [ "${TMPDIR+yes}" ] || eval `tmpdir -b`
101 if [ -x /usr/bin/dircolors -o -x /usr/local/bin/dircolors ]; then
102 eval `dircolors -b ~/.dircolors`
103 else
104 unset LS_COLORS
105 fi
106
107 ls () {
108 if [ -t 1 ]; then
109 command ls $LS_OPTIONS ${LS_COLORS+--color=auto} "$@"
110 else
111 command ls "$@"
112 fi
113 }
114
115 # --- Some colour `grep' support ---
116
117 export GREP_COLORS="mt=01;31:ms=01;31:mc=031;31:fn=36:ln=36:bn=36:se=34"
118
119 greplike () {
120 declare grep=$1; shift
121 if [ -t 1 ]; then
122 command $grep ${GREP_COLORS+--color=auto} "$@"
123 else
124 command $grep "$@"
125 fi
126 }
127 alias grep="greplike grep"
128 alias egrep="greplike egrep"
129 alias fgrep="greplike fgrep"
130
131 # --- Set up some simple aliases ---
132
133 alias cx='chmod a+x'
134 alias which="command -v"
135 alias ssync="rsync -e ssh"
136 alias rootly=$__MDW_ROOTLY
137 alias r=rootly
138 alias re="rootly $EDITOR"
139 alias pstree="pstree -hl"
140 alias cdtmp='cd ${TMPDIR-/tmp}'
141 alias pushtmp='pushd ${TMPDIR-/tmp}'
142 alias e="$EDITOR"
143 alias svn="svnwrap svn"
144 alias @="ssh"
145
146 [ -r /etc/bash_completion ] && . /etc/bash_completion
147 [ -r $HOME/.bash_completion ] && . $HOME/.bash_completion
148
149 # --- Make `xt' start an xterm, maybe logging into a remote host ---
150
151 xt () {
152 case "$1" in
153 @*)
154 local remote=${1#@} title
155 shift
156 if [ $# -gt 0 ]; then
157 title="xterm [$remote] $1"
158 else
159 title="xterm [$remote]"
160 fi
161 (xterm -title "$title" -e ssh $remote "$@" &)
162 ;;
163 *)
164 (xterm "$@" &)
165 ;;
166 esac
167 }
168
169 # --- Turning on and off core dumps ---
170
171 core () {
172 case "x$1" in
173 xon|xy|xyes)
174 ulimit -Sc `ulimit -Hc`
175 ;;
176 xoff|xn|xno)
177 ulimit -Sc 0
178 ;;
179 x)
180 local l=`ulimit -Sc`
181 case $l in
182 0) echo "Core dumps disabled" ;;
183 unlimited) echo "Core dumps enabled" ;;
184 *) echo "Core dump limit is $l blocks" ;;
185 esac
186 ;;
187 *)
188 echo >&2 "usage: core [yn]"
189 return 1
190 ;;
191 esac
192 }
193
194 # --- Turning on and off path hacks ---
195
196 path-add () {
197 local pathvar export dir val
198 case $# in
199 1) pathvar=PATH dir=$1 export="export PATH";;
200 2) pathvar=$1 dir=$2 export=:;;
201 *) echo >&2 "Usage: $0 [VAR] DIR";;
202 esac
203 eval "val=\$$pathvar"
204 case ":$val:" in
205 *:"$dir":*) ;;
206 *) val=$dir:$val ;;
207 esac
208 eval "$pathvar=\$val"
209 $export
210 }
211
212 path-remove () {
213 local pathvar export dir val
214 case $# in
215 1) pathvar=PATH dir=$1 export="export PATH";;
216 2) pathvar=$1 dir=$2 export=:;;
217 *) echo >&2 "Usage: $0 [VAR] DIR";;
218 esac
219 eval "val=\$$pathvar"
220 case ":$val:" in
221 :"$dir":) val= ;;
222 :"$dir":*) val=${val#$dir:} ;;
223 *:"$dir":) val=${val%:$dir} ;;
224 *:"$dir":*) val=${val/:$dir:/:} ;;
225 esac
226 eval "$pathvar=\$val"
227 $export
228 }
229
230 pathhack () {
231 if [ $# -eq 0 ]; then
232 local IFS=:
233 for e in $PATH; do
234 case "$e" in
235 "$HOME/bin/hacks/"*)
236 echo ${e#$HOME/bin/hacks/}
237 ;;
238 esac
239 done
240 return
241 fi
242 local force=nil
243 local path=$PATH
244 while [ $# -gt 0 ]; do
245 arg=$1
246 case "$arg" in
247 -f | --force)
248 force=t
249 shift
250 continue
251 ;;
252 --)
253 shift
254 break
255 ;;
256 [-+]*)
257 ;;
258 *)
259 break
260 ;;
261 esac
262 hack=${arg#[+-]}
263 dir=$HOME/bin/hacks/$hack
264 [ -d "$dir" ] || {
265 echo "$0: path hack $hack not found"
266 return 1
267 }
268 case "$arg,$force,:$PATH:" in
269 -*,*,*:"$dir":*)
270 path-remove path "$dir"
271 ;;
272 +*,t,*:"$dir":*)
273 path-remove path "$dir"
274 path-add path "$dir"
275 ;;
276 +*,nil,*:"$dir":*)
277 ;;
278 +*,*)
279 path-add path "$dir"
280 ;;
281 esac
282 shift
283 done
284 if [ $# -eq 0 ]; then
285 PATH=$path
286 export PATH
287 else
288 PATH=$path "$@"
289 fi
290 }
291
292 # --- Fix `man' under Slowaris ---
293
294 case "$MACHTYPE" in
295 *solaris*)
296 man () {
297 declare -i i=0
298 declare arg
299 declare -a man
300
301 for arg; do
302 case "$arg" in [0-9]*) man[i+=1]="-s" ;; esac
303 man[i+=1]="$arg"
304 done
305 command man "${man[@]}"
306 }
307 ;;
308 esac
309
310 # --- For `root' use -- some simple molly-guards ---
311
312 if (( UID == 0 )); then
313 alias rm='rm -i' cp='cp -i' mv='mv -i'
314 set -o noclobber
315 fi
316
317 [ -f "$HOME/.bashrc-local" ] && . "$HOME/.bashrc-local"
318
319 fi