lilalo: 71bd999bcb04 l3bashrc

lilalo

view l3bashrc @ 119:71bd999bcb04

Исправлено несколько багов:
* выполняется корректная привязка diff'ов
* правильно запоминается raw_start и проч raw_*
* временно отключен вывод признака нажатия ctrl-c (он ставился неверно)
* в приглашение добавлен случайный nonce (для правильной отработки tab)

author	igor
date	Thu Mar 13 12:19:42 2008 +0200 (2008-03-13)
parents	9e6359b7ad55
children	42d9af3c851c

line source

1 #!/bin/sh

3 # (c) Igor Chubin, igor@chub.in, 2004-2006

5 # Environment variables set by the script:

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()

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

36 # ===================== STAGE 1 ============================

38 _l3_is_running_here()

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

56 _l3_start_session()

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

93 _l3_run_script()

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

102 # ===================== STAGE 2 ============================

104 _l3_env()

106 trap l3_close_session 2

107 trap l3_close_session EXIT

108 true

111 l3_close_session()

113 (

114 echo '<history>'

115 history | sed 's/&/\&/; s/</\</g; s/>/\>/g'

116 echo '</history>'

117 ) >> $L3_HOME/$L3_SESSION_ID.info

120 _l3_init_prompt()

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

129 l3_fix_prompt()

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#$RANDOM#")$(l3_save_last_line >& /dev/null)\]'$PS1

135 _l3_tamper_editors()

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

171 _l3_tamper_commands()

173 tty()

174 {

175 [ -n "$L3_PARENT_TTY" ] && echo $L3_PARENT_TTY || /usr/bin/tty

176 }

179 _l3_unset_internal()

181 unset `set | grep '^_l3_.*()' | sed 's/()//'`

182 unset `set | grep '^_l3_.*=' | sed 's/=.*//'`

185 l3shot()

187 if [ -x "`which xwd`" ]

188 then

189 _l3_home=${L3_HOME:-~/.lilalo}

190 shot_name="${L3_SESSION_ID}_`date +%s`".xwd

191 echo -n Choose window to be shoot ... >&2

192 [ -d ${_l3_home} ] || mkdir -p ${_l3_home}

193 xwd -out "$_l3_home/$shot_name" \

194 && echo Screenshot is written to ${_l3_home}/${shot_name} \

195 && curl -s -F photo=@$_l3_home/$shot_name http://`l3-config backend_address`/l3-upload

196 else

197 {

198 echo

199 echo "Can't make screenshot :("

200 echo

201 echo I must use program xwd to make screenshot,

202 echo but it seems not to be installed

203 echo Try to find the program in the \"xbase-clients\" package

204 echo

205 } >&2

206 fi

209 l3upload()

211 if [ $# -lt 1 ]

212 then

213 echo Usage:

214 echo

215 echo l3upload "<filename>"

216 echo

217 echo "<filename>" - name of the file to upload

218 return 1

219 else

220 source=$1

221 target="${L3_SESSION_ID}_`date +%s`"_"$(echo $source|sed s@.*/@@)"

222 if echo $source | grep -q http://

223 then

224 curl -s "$source" > /tmp/$target

225 else

226 [ -r "$source" ] || { echo "l3upload: Can't open $source for reading" > /dev/stderr; return 1; }

227 cp $source /tmp/$target

228 fi

229 echo Uploaded file name is ${target}

230 curl -s -F photo=@/tmp/$target http://`l3-config backend_address`/l3-upload && rm -f /tmp/$target

231 fi

234 # Append lines from "$@" files to the end of the shell history

235 hist_append ()

237 eval $(cat "$@" | sed 's/"/\\\\"/g' | while read line; do echo history -s \"$line\"\;; done);

240 l3_save_last_line ()

242 (

243 echo '<cline>'

244 history 1 | sed 's/&/&/; s/</\</g; s/>/\>/g'

245 echo '</cline>'

246 ) >> $L3_HOME/$L3_SESSION_ID.info

249 l3 ()

251 case "$1" in

252 on)

253 echo switching on

254 ;;

255 off)

256 echo switcing off

257 ;;

258 cd)

259 echo l3cd="$2" > ~/.l3rc

260 ;;

261 pwd)

262 grep ^l3cd= ~/.l3rc | sed s/[^=]*=//

263 ;;

264 *)

265 cat <<EOF

266 l3 [command]:

268 cd new_context - change current lilalo context

269 pwd - show current lilalo context

270 on - switch writing on (NOT IMPLEMENTED YET)

271 off - switch writing off (NOT IMPLEMENTED YET)

274 ;;

275 esac

278 l3cd()

280 l3 cd "$@"

283 l3pwd()

285 l3 pwd