Commit | Line | Data |
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59c9c0e4 MW |
1 | ### -*-sh-*- |
2 | ### | |
3 | ### Bash session things | |
f617db13 | 4 | |
59c9c0e4 MW |
5 | ## Only do this if we haven't done it before. (Note that this guard isn't |
6 | ## exported, so subshells will need to make their own arrangements.) | |
f617db13 | 7 | if [ -z "$__mdw_bashrc" ]; then |
f617db13 MW |
8 | __mdw_bashrc=done |
9 | ||
59c9c0e4 MW |
10 | ## If we've not run the main profile yet, we should do that first. It sets |
11 | ## up things we rely on. Also, if there's a system script, we should run | |
12 | ## that too. | |
f617db13 MW |
13 | [ -z "$__mdw_profile" -a -r $HOME/.bash_profile ] && . $HOME/.bash_profile |
14 | [ -r /etc/bashrc ] && . /etc/bashrc | |
15 | ||
59c9c0e4 MW |
16 | ## Set the temporary directory again. (If we've switched users, we'll want a |
17 | ## different temporary directory.) | |
18 | [ "${TMPDIR+yes}" ] || eval `tmpdir -b` | |
19 | ||
20 | ###-------------------------------------------------------------------------- | |
21 | ### Prompt hacking. | |
f617db13 | 22 | |
59c9c0e4 | 23 | ## Only bother if the shell is interactive. |
f617db13 MW |
24 | if [ -t 0 ]; then |
25 | ||
59c9c0e4 | 26 | ## Fancy highlighting in some terminals. |
15b95c26 MW |
27 | case "$TERM" in |
28 | linux*|screen*|xterm*|vt100*|eterm*) | |
29 | bold="\[$(tput bold)\]" unbold="\[$(tput sgr0)\]" nl="\[\r\]" ;; | |
30 | *) | |
31 | bold='' unbold='' nl='' ;; | |
32 | esac | |
33 | ||
59c9c0e4 MW |
34 | ## Choose the right delimiters. Highlight root prompts specially; |
35 | ## highlight when I'm running as some other user. Highlight when this | |
36 | ## isn't the outermost shell on the terminal. | |
15b95c26 MW |
37 | if (( EUID == 0 )); then |
38 | left=`echo « | iconv -f utf8 -t //translit` | |
39 | right=`echo » | iconv -f utf8 -t //translit` | |
f617db13 | 40 | else |
15b95c26 | 41 | case $USER in |
59c9c0e4 MW |
42 | mdw|mwooding) u="" left="[" right="]" ;; |
43 | *) u="\\u@" left="{" right="}" ;; | |
f617db13 | 44 | esac |
15b95c26 MW |
45 | if [ "$__mdw_tty" = "`tty`" ]; then |
46 | left="<" right=">" | |
f617db13 | 47 | else |
15b95c26 | 48 | export __mdw_tty="`tty`" |
f617db13 | 49 | fi |
15b95c26 | 50 | fi |
f617db13 | 51 | |
59c9c0e4 | 52 | ## If this session is insecure then highlight that. |
15b95c26 MW |
53 | if [ -z "$SSH_CLIENT" ] && |
54 | [ "$__mdw_sechost" != "`hostname`" ] | |
55 | then | |
56 | sec_l='(' sec_r=')' | |
f617db13 MW |
57 | fi |
58 | ||
59c9c0e4 | 59 | ## Build the prompt string. |
15b95c26 MW |
60 | PS1="$nl$bold$left$sec_l$u\\h$sec_r \\w$right$unbold" |
61 | PS2="$PS1 $bold>$unbold " | |
62 | ||
59c9c0e4 | 63 | fi |
15b95c26 | 64 | |
59c9c0e4 MW |
65 | ###-------------------------------------------------------------------------- |
66 | ### Other shell tweaking. | |
f617db13 | 67 | |
59c9c0e4 | 68 | ## Random shell tweaks. |
f617db13 MW |
69 | notify=1 |
70 | set -b | |
71 | shopt -u cdable_vars | |
72 | shopt -s cdspell | |
73 | shopt -s checkhash | |
74 | shopt -s checkwinsize | |
75 | shopt -s cmdhist | |
76 | shopt -u dotglob | |
77 | shopt -s expand_aliases | |
78 | shopt -s extglob | |
83a3b1eb MW |
79 | shopt -s globstar |
80 | shopt -s gnu_errfmt | |
f617db13 MW |
81 | shopt -s histappend |
82 | shopt -s histreedit | |
83 | shopt -u histverify | |
84 | shopt -s hostcomplete | |
85 | shopt -s huponexit | |
86 | shopt -s interactive_comments | |
87 | shopt -s lithist | |
88 | shopt -u mailwarn | |
89 | shopt -u nocaseglob | |
90 | shopt -u nullglob | |
91 | shopt -s promptvars | |
92 | shopt -u shift_verbose | |
93 | shopt -s sourcepath | |
83a3b1eb MW |
94 | HISTCONTROL=ignorespace:erasedups |
95 | ||
59c9c0e4 MW |
96 | ## Some handy aliases. |
97 | alias cx='chmod a+x' | |
98 | alias which="command -v" | |
99 | alias rc="rc -l" | |
100 | alias ssync="rsync -e ssh" | |
101 | alias rootly=$__MDW_ROOTLY | |
102 | alias r=rootly | |
103 | alias re="rootly $EDITOR" | |
104 | alias pstree="pstree -hl" | |
105 | alias cdtmp='cd ${TMPDIR-/tmp}' | |
106 | alias pushtmp='pushd ${TMPDIR-/tmp}' | |
107 | alias e="$EDITOR" | |
108 | alias svn="svnwrap svn" | |
109 | alias @="ssh" | |
f617db13 | 110 | |
59c9c0e4 MW |
111 | ## Completion. |
112 | [ -r /etc/bash_completion ] && . /etc/bash_completion | |
113 | [ -r $HOME/.bash_completion ] && . $HOME/.bash_completion | |
f617db13 | 114 | |
59c9c0e4 MW |
115 | ###-------------------------------------------------------------------------- |
116 | ### Colour output. | |
117 | ||
118 | ## Arrange for `ls' output to be in colour. | |
15b95c26 | 119 | if [ -x /usr/bin/dircolors -o -x /usr/local/bin/dircolors ]; then |
f617db13 MW |
120 | eval `dircolors -b ~/.dircolors` |
121 | else | |
122 | unset LS_COLORS | |
123 | fi | |
124 | ||
125 | ls () { | |
126 | if [ -t 1 ]; then | |
127 | command ls $LS_OPTIONS ${LS_COLORS+--color=auto} "$@" | |
128 | else | |
129 | command ls "$@" | |
130 | fi | |
131 | } | |
132 | ||
59c9c0e4 | 133 | ## Arrange for `grep' output to be in colour. |
bf3f5761 MW |
134 | export GREP_COLORS="mt=01;31:ms=01;31:mc=031;31:fn=36:ln=36:bn=36:se=34" |
135 | ||
004beb57 MW |
136 | greplike () { |
137 | declare grep=$1; shift | |
bf3f5761 | 138 | if [ -t 1 ]; then |
a085e9a8 | 139 | command $grep ${GREP_COLORS+--color=always} "$@" | mdw-pager |
bf3f5761 | 140 | else |
004beb57 | 141 | command $grep "$@" |
bf3f5761 MW |
142 | fi |
143 | } | |
004beb57 MW |
144 | alias grep="greplike grep" |
145 | alias egrep="greplike egrep" | |
146 | alias fgrep="greplike fgrep" | |
4da2e817 | 147 | alias zgrep="greplike zgrep" |
bf3f5761 | 148 | |
59c9c0e4 MW |
149 | ## Turn off pagers inside Emacs shell buffers. |
150 | case "$INSIDE_EMACS" in | |
151 | 22.*,comint) export PAGER=cat ;; | |
152 | esac | |
75ff64d8 | 153 | |
59c9c0e4 MW |
154 | ###-------------------------------------------------------------------------- |
155 | ### More complicated shell functions. | |
f617db13 | 156 | |
59c9c0e4 MW |
157 | ## xt [@HOST] XTERM-ARGS |
158 | ## | |
159 | ## Open a terminal, maybe on a remote host. | |
f617db13 MW |
160 | xt () { |
161 | case "$1" in | |
162 | @*) | |
163 | local remote=${1#@} title | |
164 | shift | |
165 | if [ $# -gt 0 ]; then | |
166 | title="xterm [$remote] $1" | |
167 | else | |
168 | title="xterm [$remote]" | |
169 | fi | |
170 | (xterm -title "$title" -e ssh $remote "$@" &) | |
171 | ;; | |
172 | *) | |
173 | (xterm "$@" &) | |
174 | ;; | |
175 | esac | |
176 | } | |
177 | ||
59c9c0e4 MW |
178 | ## core [y|n] |
179 | ## | |
180 | ## Tweak core dumps on and off, or show the current status. | |
f617db13 MW |
181 | core () { |
182 | case "x$1" in | |
59c9c0e4 MW |
183 | xon|xy|xyes) ulimit -Sc `ulimit -Hc` ;; |
184 | xoff|xn|xno) ulimit -Sc 0 ;; | |
f617db13 MW |
185 | x) |
186 | local l=`ulimit -Sc` | |
187 | case $l in | |
188 | 0) echo "Core dumps disabled" ;; | |
189 | unlimited) echo "Core dumps enabled" ;; | |
190 | *) echo "Core dump limit is $l blocks" ;; | |
191 | esac | |
192 | ;; | |
193 | *) | |
59c9c0e4 | 194 | echo >&2 "usage: core [y|n]" |
f617db13 MW |
195 | return 1 |
196 | ;; | |
197 | esac | |
198 | } | |
199 | ||
59c9c0e4 MW |
200 | ## world [NAME] |
201 | ## | |
202 | ## Set current security world to NAME. With no NAME, print the currently | |
203 | ## selected world. | |
204 | world () { | |
205 | local nfast=${NFAST_HOME-/opt/nfast} | |
206 | local kmdata | |
207 | case "$#" in | |
208 | 0) | |
209 | echo "${NFAST_KMDATA#$nfast/kmdata-}" | |
210 | ;; | |
211 | *) | |
212 | if [ -d "$1" ]; then | |
213 | kmdata=$1 | |
214 | elif [ -d "$nfast/kmdata-$1" ]; then | |
215 | kmdata=$nfast/kmdata-$1 | |
216 | else | |
217 | echo >&2 "world: can't find world $1" | |
218 | return 1 | |
219 | fi | |
220 | shift | |
221 | case "$#" in | |
222 | 0) export NFAST_KMDATA=$kmdata ;; | |
223 | *) "$@" ;; | |
224 | esac | |
225 | ;; | |
226 | esac | |
227 | } | |
228 | ||
229 | ## Fix `man' under Slowaris. | |
230 | case "$MACHTYPE" in | |
231 | *solaris*) | |
232 | man () { | |
233 | declare -i i=0 | |
234 | declare arg | |
235 | declare -a man | |
236 | for arg; do | |
237 | case "$arg" in [0-9]*) man[i+=1]="-s" ;; esac | |
238 | man[i+=1]="$arg" | |
239 | done | |
240 | command man "${man[@]}" | |
241 | } | |
242 | ;; | |
243 | esac | |
244 | ||
245 | ###-------------------------------------------------------------------------- | |
246 | ### Path hacks. | |
32f790cc | 247 | |
59c9c0e4 MW |
248 | ## path-add [VAR] DIR |
249 | ## | |
250 | ## Add DIR to the beginning of PATH-like variable VAR (defaults to PATH) if | |
251 | ## it's not there already. | |
32f790cc MW |
252 | path-add () { |
253 | local pathvar export dir val | |
254 | case $# in | |
255 | 1) pathvar=PATH dir=$1 export="export PATH";; | |
256 | 2) pathvar=$1 dir=$2 export=:;; | |
257 | *) echo >&2 "Usage: $0 [VAR] DIR";; | |
258 | esac | |
259 | eval "val=\$$pathvar" | |
260 | case ":$val:" in | |
261 | *:"$dir":*) ;; | |
262 | *) val=$dir:$val ;; | |
263 | esac | |
264 | eval "$pathvar=\$val" | |
265 | $export | |
266 | } | |
267 | ||
59c9c0e4 MW |
268 | ## path-remove [VAR] DIR |
269 | ## | |
270 | ## Remove DIR from PATH-like variable VAR (defaults to PATH); it's not an | |
271 | ## error if DIR isn't in VAR. | |
32f790cc MW |
272 | path-remove () { |
273 | local pathvar export dir val | |
274 | case $# in | |
275 | 1) pathvar=PATH dir=$1 export="export PATH";; | |
276 | 2) pathvar=$1 dir=$2 export=:;; | |
277 | *) echo >&2 "Usage: $0 [VAR] DIR";; | |
278 | esac | |
279 | eval "val=\$$pathvar" | |
280 | case ":$val:" in | |
281 | :"$dir":) val= ;; | |
282 | :"$dir":*) val=${val#$dir:} ;; | |
283 | *:"$dir":) val=${val%:$dir} ;; | |
284 | *:"$dir":*) val=${val/:$dir:/:} ;; | |
285 | esac | |
286 | eval "$pathvar=\$val" | |
287 | $export | |
288 | } | |
289 | ||
59c9c0e4 MW |
290 | ## pathhack [-f] +HACK|-HACK... |
291 | ## | |
292 | ## Each HACK refers to a subdirectory of `~/bin/hacks'. A hack name preceded | |
293 | ## by `+' adds the directory to the PATH; a `-' removes. Adding a hack | |
294 | ## that's already on the PATH doesn't do anything unless `-f' is set, in | |
295 | ## which case it gets moved to the beginning. With no arguments, print the | |
296 | ## currently installed hacks. | |
32f790cc MW |
297 | pathhack () { |
298 | if [ $# -eq 0 ]; then | |
299 | local IFS=: | |
300 | for e in $PATH; do | |
301 | case "$e" in | |
302 | "$HOME/bin/hacks/"*) | |
303 | echo ${e#$HOME/bin/hacks/} | |
304 | ;; | |
305 | esac | |
306 | done | |
307 | return | |
308 | fi | |
309 | local force=nil | |
310 | local path=$PATH | |
311 | while [ $# -gt 0 ]; do | |
312 | arg=$1 | |
313 | case "$arg" in | |
314 | -f | --force) | |
315 | force=t | |
316 | shift | |
317 | continue | |
318 | ;; | |
319 | --) | |
852cd5fb | 320 | shift |
32f790cc MW |
321 | break |
322 | ;; | |
323 | [-+]*) | |
852cd5fb | 324 | ;; |
32f790cc | 325 | *) |
852cd5fb | 326 | break |
32f790cc MW |
327 | ;; |
328 | esac | |
329 | hack=${arg#[+-]} | |
330 | dir=$HOME/bin/hacks/$hack | |
331 | [ -d "$dir" ] || { | |
332 | echo "$0: path hack $hack not found" | |
333 | return 1 | |
334 | } | |
335 | case "$arg,$force,:$PATH:" in | |
336 | -*,*,*:"$dir":*) | |
852cd5fb | 337 | path-remove path "$dir" |
32f790cc MW |
338 | ;; |
339 | +*,t,*:"$dir":*) | |
852cd5fb | 340 | path-remove path "$dir" |
32f790cc MW |
341 | path-add path "$dir" |
342 | ;; | |
343 | +*,nil,*:"$dir":*) | |
852cd5fb | 344 | ;; |
32f790cc | 345 | +*,*) |
852cd5fb | 346 | path-add path "$dir" |
32f790cc MW |
347 | ;; |
348 | esac | |
349 | shift | |
350 | done | |
351 | if [ $# -eq 0 ]; then | |
352 | PATH=$path | |
353 | export PATH | |
354 | else | |
355 | PATH=$path "$@" | |
356 | fi | |
357 | } | |
358 | ||
59c9c0e4 MW |
359 | ###-------------------------------------------------------------------------- |
360 | ### Finishing touches. | |
f617db13 | 361 | |
59c9c0e4 | 362 | ## For `root' use -- some simple molly-guards. |
f617db13 MW |
363 | if (( UID == 0 )); then |
364 | alias rm='rm -i' cp='cp -i' mv='mv -i' | |
365 | set -o noclobber | |
366 | fi | |
367 | ||
59c9c0e4 | 368 | ## Run any local hooks. |
68aea1d9 MW |
369 | [ -f "$HOME/.bashrc-local" ] && . "$HOME/.bashrc-local" |
370 | ||
59c9c0e4 | 371 | ## Close the `__mdw_bashrc' guard. |
f617db13 | 372 | fi |
59c9c0e4 MW |
373 | |
374 | ###----- That's all, folks -------------------------------------------------- |