lilalo: 9f64b4cfa4f6 l3bashrc

lilalo

view l3bashrc @ 97:9f64b4cfa4f6

Добавились две функции:

- hist_append - прочитать строки из файла и добавить их к списку истории
- save_last_command - сохранить последнюю команду из истории в файле сеанса.
Нужно для исключения ошибок распознавания

Модифицировано приглашение, save_last_command вызывается каждый раз

author	devi
date	Sun May 28 17:46:58 2006 +0300 (2006-05-28)
parents	d28dda8ea18f
children	77f033a04361

line source

1 #!/bin/sh

4 # Environment variables set by the script:

6 # L3_SESSION_ID - uniq id of the LiLaLo-session

7 # L3_PARENT_TTY - name of tty on which script is running

8 # PS1 - intercative shell prompt in which LiLaLo hides

9 # various information about the command

10 # L3_TAMPERED_EDITORS - list of editors which are tampered with functions

13 # Functions with the names starting _l3_ are internal.

14 # Such functions are unset before this rc script exits

16 _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'

18 _l3_start()

20 echo $- | grep -q i || return 0

21 if _l3_is_running_here

22 then

23 _l3_env

24 _l3_init_prompt

25 l3_fix_prompt

26 _l3_tamper_editors

27 _l3_tamper_commands

28 _l3_unset_internal

29 else

30 _l3_start_session

31 _l3_run_script

32 fi

35 # ===================== STAGE 1 ============================

37 _l3_is_running_here()

39 ps waux | awk '{print $2" "$11 }' | grep -q ^$PPID" "script

40 return $?

42 # Check if ^^^^ run on Linux

43 # and del vvvv this if it does

45 export L3_TTY=`/usr/bin/tty`

46 uname -a | grep -qi bsd && bsd=yes

47 proc_on_the_term=`w | grep "${L3_TTY##/dev/}" | awk '{print $8;}'`

48 # freeBSD:

49 [ -n "$bsd" ] && \

50 proc_on_the_term=`w | grep "${L3_TTY##/dev/tty}" | awk '{print $6;}'`

52 [ -n "$proc_on_the_term" ] && echo $proc_on_the_term | grep -q script

55 _l3_start_session()

57 export L3_SESSION_ID=${RANDOM}${RANDOM}${RANDOM}${RANDOM}-`date +%s`

58 export L3_HOME=~/.lilalo/

59 mkdir -p $L3_HOME

61 tty=`/usr/bin/tty`

62 uname -a | grep -qi bsd && bsd=yes

63 parent=`cat /proc/$PPID/cmdline 2> /dev/null`

64 [ -z "$parent" ] && parent="`ps waux | awk '{if ($2 == '$PPID') print $11; }'`"

65 system=`uname -rs`

66 login_from=`who | grep "${tty##/dev/}" | awk '{print $6;}' | tr -d '()'`

67 #[ -n "$bsd" ] && login_from="" #FIXME!

68 start_time=`date +%s`

69 hostname=`hostname -f 2> /dev/null`

70 [ -n "$bsd" ] && hostname=`hostname`

72 cat <<INFO > $L3_HOME/$L3_SESSION_ID.info

73 <session>

74 <local_session_id>$L3_SESSION_ID</local_session_id>

75 <hostname>$hostname</hostname>

76 <user>$USER</user>

77 <uid>$UID</uid>

78 <login_from>$login_from</login_from>

79 <tty>$tty</tty>

80 <system>$system</system>

81 <parent>$parent</parent>

82 <ppid>$PPID</ppid>

83 <pid>$$</pid>

84 <start_time>$start_time</start_time>

85 <lang>$LANG</lang>

86 </session>

87 INFO

89 unset parent system login_from start_time hostname tty

92 _l3_run_script()

94 uname -a | grep -qi bsd && bsd=yes

95 flush="-f" #linux

96 [ -n "$bsd" ] && flush="-t 0" #freebsd

97 export L3_PARENT_TTY=`/usr/bin/tty`

98 exec script $flush -q $L3_HOME/${L3_SESSION_ID}.script

101 # ===================== STAGE 2 ============================

103 _l3_env()

105 trap l3_close_session 2

106 trap l3_close_session EXIT

107 true

110 l3_close_session()

112 (

113 echo '<history>'

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

115 echo '</history>'

116 ) >> $L3_HOME/$L3_SESSION_ID.info

119 _l3_init_prompt()

121 PS1='[\u@\h:\W]\$ '

122 [ $UID = 0 ] \

123 && PS1='\[\033[0;31m\]'$PS1'\[\033[0m\]' \

124 || PS1='\[\033[0;32m\]'$PS1'\[\033[0m\]' \

125 export PS1

128 l3_fix_prompt()

130 export PS1='\[$(l3_save_last_line)v2#\!#$?#$UID#$$#$(/bin/date +%s)#$PWD#\033[1024D\033[K\]'$PS1

133 _l3_tamper_editors()

135 for editor_file in $_l3_editors_to_tamper

136 do

137 [ -x $editor_file ] || continue

138 editor_name=${editor_file##*/}

139 eval "

140 $editor_name() {

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

142 then

143 $editor_file \"\$1\"

144 return \$?

145 else

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

147 DIR=\"\"

148 [ \"\${1#/}\" = \"\$1\" ] && DIR=\"\$PWD/\"

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

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

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

152 $editor_file \"\$@\" || ERR=\$?

153 [ -e \"\$old_file\" ] && diff \"\$old_file\" \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null

154 if [ "$?" == 2 ]

155 then

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

157 fi

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

159 return \$ERR

160 fi

161 }

162 "

163 L3_TAMPERED_EDITORS="$L3_TAMPERED_EDITORS $editor_name"

164 done

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

168 _l3_tamper_commands()

170 tty()

171 {

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

173 }

176 _l3_unset_internal()

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

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

183 l3shot()

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

186 then

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

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

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

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

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

192 && echo Ok\

193 && echo Shot was successful. \

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

195 && echo Screenshot will appears in the lablog.

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

210 hist_append ()

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

215 l3_save_last_line ()

217 (

218 echo '<cline>'

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

220 echo '</cline>'

221 ) >> $L3_HOME/$L3_SESSION_ID.info