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Приглашение -- ссылка на команду

Приглашение команды является ссылкой на эту же команду в журнале. Если нужно указать на какую-то определённую команду, нужно использовать ссылку на символ приглашения. Например, так: «я заметил ошибку при распознавании команд; пропала команда apt-get install, которая должна идти после этой [http://xgu.ru/l3/users/igor-public/xen-domain0-installation/root#1215616149].

author	igor@chub.in
date	Thu Jul 10 01:52:40 2008 +0300 (2008-07-10)
parents	71bd999bcb04
children	244825e244de

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='\[$($L3_HOME/l3prompt "v3#\!#$?#$UID#$$#$(/bin/date +%s)#$PWD#$RANDOM#")$(l3_save_last_line >& /dev/null)\]'$PS1

134 _l3_tamper_editors()

136 for editor_file in $_l3_editors_to_tamper

137 do

138 [ -x $editor_file ] || continue

139 editor_name=${editor_file##*/}

140 eval "

141 $editor_name() {

142 if [ -d \"\$1\" ]

143 then

144 $editor_file \"\$1\"

145 return \$?

146 else

147 TIME=\"\`date +%s\`\"

148 DIR=\"\"

149 [ \"\${1#/}\" = \"\$1\" ] && DIR=\"\$PWD/\"

150 DIFFNAME=\"\${L3_SESSION_ID}_\${TIME}\`echo \$DIR\$1| sed s@_@__@ | sed 's@/@_@g'\`.diff\"

151 old_file=\"/tmp/l3-saved-\$\$.\$RANDOM.\$RANDOM\"

152 /bin/cp -- \"\$1\" \"\$old_file\" 2> /dev/null

153 $editor_file \"\$@\" || ERR=\$?

154 if [ -e \"\$old_file\" ]

155 then

156 diff -u \"\$old_file\" \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null

157 else

158 diff -u /dev/null \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null

159 fi

160 /bin/rm \"\$old_file\" 2> /dev/null

161 return \$ERR

162 fi

163 }

164 "

165 L3_TAMPERED_EDITORS="$L3_TAMPERED_EDITORS $editor_name"

166 done

167 [ -n "$L3_TAMPERED_EDITORS" ] && export L3_TAMPERED_EDITORS

170 _l3_tamper_commands()

172 tty()

173 {

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

175 }

178 _l3_unset_internal()

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

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

184 l3shot()

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

187 then

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

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

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

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

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

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

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

195 else

196 {

197 echo

198 echo "Can't make screenshot :("

199 echo

200 echo I must use program xwd to make screenshot,

201 echo but it seems not to be installed

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

203 echo

204 } >&2

205 fi

208 l3upload()

210 if [ $# -lt 1 ]

211 then

212 echo Usage:

213 echo

214 echo l3upload "<filename>"

215 echo

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

217 return 1

218 else

219 source=$1

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

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

222 then

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

224 else

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

226 cp $source /tmp/$target

227 fi

228 echo Uploaded file name is ${target}

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

230 fi

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

234 hist_append ()

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

239 l3_save_last_line ()

241 (

242 echo '<cline>'

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

244 echo '</cline>'

245 ) >> $L3_HOME/$L3_SESSION_ID.info

248 l3 ()

250 case "$1" in

251 on)

252 echo switching on

253 ;;

254 off)

255 echo switcing off

256 ;;

257 cd)

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

259 ;;

260 pwd)

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

262 ;;

263 *)

264 cat <<EOF

265 l3 [command]:

267 cd new_context - change current lilalo context

268 pwd - show current lilalo context

269 on - switch writing on (NOT IMPLEMENTED YET)

270 off - switch writing off (NOT IMPLEMENTED YET)

273 ;;

274 esac

277 l3cd()

279 l3 cd "$@"

282 l3pwd()

284 l3 pwd