lilalo
view l3bashrc @ 114:658b4ea105c1
PS1 bug fixed
| author | igor |
|---|---|
| date | Sun Mar 09 02:38:56 2008 +0200 (2008-03-09) |
| parents | da65f1cbaf3a |
| children | 9e6359b7ad55 |
line source
1 #!/bin/sh
3 # (c) Igor Chubin, igor@chub.in, 2004-2006
5 # Environment variables set by the script:
6 #
7 # L3_SESSION_ID - uniq id of the LiLaLo-session
8 # L3_PARENT_TTY - name of tty on which script is running
9 # PS1 - intercative shell prompt in which LiLaLo hides
10 # various information about the command
11 # L3_TAMPERED_EDITORS - list of editors which are tampered with functions
14 # Functions with the names starting _l3_ are internal.
15 # Such functions are unset before this rc script exits
17 _l3_editors_to_tamper='/bin/vi /usr/bin/vi /usr/bin/vim /bin/ee /usr/bin/ee /usr/bin/pico /usr/bin/nano /usr/local/bin/vim'
19 _l3_start()
20 {
21 echo $- | grep -q i || return 0
22 if _l3_is_running_here
23 then
24 _l3_env
25 _l3_init_prompt
26 l3_fix_prompt
27 _l3_tamper_editors
28 _l3_tamper_commands
29 _l3_unset_internal
30 else
31 _l3_start_session
32 _l3_run_script
33 fi
34 }
36 # ===================== STAGE 1 ============================
38 _l3_is_running_here()
39 {
40 ps waux | awk '{print $2" "$11 }' | grep -q ^$PPID" "script
41 return $?
43 # Check if ^^^^ run on Linux
44 # and del vvvv this if it does
46 export L3_TTY=`/usr/bin/tty`
47 uname -a | grep -qi bsd && bsd=yes
48 proc_on_the_term=`w | grep "${L3_TTY##/dev/}" | awk '{print $8;}'`
49 # freeBSD:
50 [ -n "$bsd" ] && \
51 proc_on_the_term=`w | grep "${L3_TTY##/dev/tty}" | awk '{print $6;}'`
53 [ -n "$proc_on_the_term" ] && echo $proc_on_the_term | grep -q script
54 }
56 _l3_start_session()
57 {
58 export L3_SESSION_ID=${RANDOM}${RANDOM}${RANDOM}${RANDOM}-`date +%s`
59 export L3_HOME=~/.lilalo/
60 mkdir -p $L3_HOME
62 tty=`/usr/bin/tty`
63 uname -a | grep -qi bsd && bsd=yes
64 parent=`cat /proc/$PPID/cmdline 2> /dev/null`
65 [ -z "$parent" ] && parent="`ps waux | awk '{if ($2 == '$PPID') print $11; }'`"
66 system=`uname -rs`
67 login_from=`who | grep "${tty##/dev/}" | awk '{print $6;}' | tr -d '()'`
68 #[ -n "$bsd" ] && login_from="" #FIXME!
69 start_time=`date +%s`
70 hostname=`hostname -f 2> /dev/null`
71 [ -n "$bsd" ] && hostname=`hostname`
73 cat <<INFO > $L3_HOME/$L3_SESSION_ID.info
74 <session>
75 <local_session_id>$L3_SESSION_ID</local_session_id>
76 <hostname>$hostname</hostname>
77 <user>$USER</user>
78 <uid>$UID</uid>
79 <login_from>$login_from</login_from>
80 <tty>$tty</tty>
81 <system>$system</system>
82 <parent>$parent</parent>
83 <ppid>$PPID</ppid>
84 <pid>$$</pid>
85 <start_time>$start_time</start_time>
86 <lang>$LANG</lang>
87 </session>
88 INFO
90 unset parent system login_from start_time hostname tty
91 }
93 _l3_run_script()
94 {
95 uname -a | grep -qi bsd && bsd=yes
96 flush="-f" #linux
97 [ -n "$bsd" ] && flush="-t 0" #freebsd
98 export L3_PARENT_TTY=`/usr/bin/tty`
99 exec script $flush -q $L3_HOME/${L3_SESSION_ID}.script
100 }
102 # ===================== STAGE 2 ============================
104 _l3_env()
105 {
106 trap l3_close_session 2
107 trap l3_close_session EXIT
108 true
109 }
111 l3_close_session()
112 {
113 (
114 echo '<history>'
115 history | sed 's/&/\&/; s/</\</g; s/>/\>/g'
116 echo '</history>'
117 ) >> $L3_HOME/$L3_SESSION_ID.info
118 }
120 _l3_init_prompt()
121 {
122 PS1='[\u@\h:\W]\$ '
123 [ $UID = 0 ] \
124 && PS1='\[\033[0;31m\]'$PS1'\[\033[0m\]' \
125 || PS1='\[\033[0;32m\]'$PS1'\[\033[0m\]' \
126 export PS1
127 }
129 l3_fix_prompt()
130 {
131 # export PS1='\[v2#\!#$?#$UID#$$#$(/bin/date +%s)$(l3_save_last_line)#$PWD#\033[1024D\033[K\]'$PS1
132 export PS1='\[$($L3_HOME/l3prompt "v3#\!#$?#$UID#$$#$(/bin/date +%s)#$PWD#")$(l3_save_last_line >& /dev/null)\]'$PS1
133 }
135 _l3_tamper_editors()
136 {
137 for editor_file in $_l3_editors_to_tamper
138 do
139 [ -x $editor_file ] || continue
140 editor_name=${editor_file##*/}
141 eval "
142 $editor_name() {
143 if [ -d \"\$1\" ]
144 then
145 $editor_file \"\$1\"
146 return \$?
147 else
148 TIME=\"\`date +%s\`\"
149 DIR=\"\"
150 [ \"\${1#/}\" = \"\$1\" ] && DIR=\"\$PWD/\"
151 DIFFNAME=\"\${L3_SESSION_ID}_\${TIME}\`echo \$DIR\$1| sed s@_@__@ | sed 's@/@_@g'\`.diff\"
152 old_file=\"/tmp/l3-saved-\$\$.\$RANDOM.\$RANDOM\"
153 /bin/cp -- \"\$1\" \"\$old_file\" 2> /dev/null
154 $editor_file \"\$@\" || ERR=\$?
155 if [ -e \"\$old_file\" ]
156 then
157 diff -u \"\$old_file\" \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null
158 else
159 diff -u /dev/null \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null
160 fi
161 /bin/rm \"\$old_file\" 2> /dev/null
162 return \$ERR
163 fi
164 }
165 "
166 L3_TAMPERED_EDITORS="$L3_TAMPERED_EDITORS $editor_name"
167 done
168 [ -n "$L3_TAMPERED_EDITORS" ] && export L3_TAMPERED_EDITORS
169 }
171 _l3_tamper_commands()
172 {
173 tty()
174 {
175 [ -n "$L3_PARENT_TTY" ] && echo $L3_PARENT_TTY || /usr/bin/tty
176 }
177 }
179 _l3_unset_internal()
180 {
181 unset `set | grep '^_l3_.*()' | sed 's/()//'`
182 unset `set | grep '^_l3_.*=' | sed 's/=.*//'`
183 }
186 l3shot()
187 {
188 if [ -x "`which xwd`" ]
189 then
190 _l3_home=${L3_HOME:-~/.lilalo}
191 shot_name="${L3_SESSION_ID}_`date +%s`".xwd
192 echo -n Choose window to be shoot ... >&2
193 [ -d ${_l3_home} ] || mkdir -p ${_l3_home}
194 xwd -out "$_l3_home/$shot_name" \
195 && echo Screenshot is written to ${_l3_home}/${shot_name} \
196 && curl -s -F photo=@$_l3_home/$shot_name http://xgu.ru/l3-upload
197 else
198 {
199 echo
200 echo "Can't make screenshot :("
201 echo
202 echo I must use program xwd to make screenshot,
203 echo but it seems not to be installed
204 echo Try to find the program in the \"xbase-clients\" package
205 echo
206 } >&2
207 fi
208 }
210 l3upload()
211 {
212 if [ $# -lt 1 ]
213 then
214 echo Usage:
215 echo
216 echo l3upload "<filename>"
217 echo
218 echo "<filename>" - name of the file to upload
219 return 1
220 else
221 source=$1
222 target="${L3_SESSION_ID}_`date +%s`"_"$(echo $source|sed s@.*/@@)"
223 if echo $source | grep -q http://
224 then
225 curl -s "$source" > /tmp/$target
226 else
227 [ -r "$source" ] || { echo "l3upload: Can't open $source for reading" > /dev/stderr; return 1; }
228 cp $source /tmp/$target
229 fi
230 echo Uploaded file name is ${target}
231 curl -s -F photo=@/tmp/$target http://xgu.ru/l3-upload && rm -f /tmp/$target
232 fi
233 }
235 # Append lines from "$@" files to the end of the shell history
236 hist_append ()
237 {
238 eval $(cat "$@" | sed 's/"/\\\\"/g' | while read line; do echo history -s \"$line\"\;; done);
239 }
241 l3_save_last_line ()
242 {
243 (
244 echo '<cline>'
245 history 1 | sed 's/&/&/; s/</\</g; s/>/\>/g'
246 echo '</cline>'
247 ) >> $L3_HOME/$L3_SESSION_ID.info
248 }
250 l3 ()
251 {
252 case "$1" in
253 on)
254 echo switching on
255 ;;
256 off)
257 echo switcing off
258 ;;
259 cd)
260 echo l3cd="$2" > ~/.l3rc
261 ;;
262 pwd)
263 grep ^l3cd= ~/.l3rc | sed s/[^=]*=//
264 ;;
265 *)
266 cat <<EOF
267 l3 [command]:
269 cd new_context - change current lilalo context
270 pwd - show current lilalo context
271 on - switch writing on (NOT IMPLEMENTED YET)
272 off - switch writing off (NOT IMPLEMENTED YET)
274 EOF
275 ;;
276 esac
277 }
279 l3cd()
280 {
281 l3 cd "$@"
282 }
284 l3pwd()
285 {
286 l3 pwd
287 }