lilalo
annotate l3bashrc @ 115:9e6359b7ad55
Исправлена ошибка с смешением выводв сеансов
Добавлена поддержка таблуяции (tab completion)
l3config.pm перенесён в /etc/lilalo/ ; возможно не окончательно
Имя сервера для l3-upload не прописывается теперь жёстко в коде, а берётся из конфигурационного файла
Добавлена поддержка таблуяции (tab completion)
l3config.pm перенесён в /etc/lilalo/ ; возможно не окончательно
Имя сервера для l3-upload не прописывается теперь жёстко в коде, а берётся из конфигурационного файла
| author | igor | 
|---|---|
| date | Sun Mar 09 22:54:22 2008 +0200 (2008-03-09) | 
| parents | 658b4ea105c1 | 
| children | 71bd999bcb04 | 
| rev | line source | 
|---|---|
| devi@70 | 1 #!/bin/sh | 
| devi@70 | 2 | 
| devi@105 | 3 # (c) Igor Chubin, igor@chub.in, 2004-2006 | 
| devi@70 | 4 | 
| devi@76 | 5 # Environment variables set by the script: | 
| devi@76 | 6 # | 
| devi@76 | 7 # L3_SESSION_ID - uniq id of the LiLaLo-session | 
| devi@76 | 8 # L3_PARENT_TTY - name of tty on which script is running | 
| devi@76 | 9 # PS1 - intercative shell prompt in which LiLaLo hides | 
| devi@76 | 10 # various information about the command | 
| devi@76 | 11 # L3_TAMPERED_EDITORS - list of editors which are tampered with functions | 
| devi@76 | 12 | 
| devi@76 | 13 | 
| devi@76 | 14 # Functions with the names starting _l3_ are internal. | 
| devi@76 | 15 # Such functions are unset before this rc script exits | 
| devi@76 | 16 | 
| devi@76 | 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' | 
| devi@76 | 18 | 
| devi@70 | 19 _l3_start() | 
| devi@70 | 20 { | 
| devi@80 | 21 echo $- | grep -q i || return 0 | 
| devi@79 | 22 if _l3_is_running_here | 
| devi@76 | 23 then | 
| devi@76 | 24 _l3_env | 
| devi@76 | 25 _l3_init_prompt | 
| devi@76 | 26 l3_fix_prompt | 
| devi@76 | 27 _l3_tamper_editors | 
| devi@76 | 28 _l3_tamper_commands | 
| devi@76 | 29 _l3_unset_internal | 
| devi@79 | 30 else | 
| devi@79 | 31 _l3_start_session | 
| devi@79 | 32 _l3_run_script | 
| devi@76 | 33 fi | 
| devi@76 | 34 } | 
| devi@76 | 35 | 
| devi@76 | 36 # ===================== STAGE 1 ============================ | 
| devi@76 | 37 | 
| devi@79 | 38 _l3_is_running_here() | 
| devi@76 | 39 { | 
| devi@79 | 40 ps waux | awk '{print $2" "$11 }' | grep -q ^$PPID" "script | 
| devi@79 | 41 return $? | 
| devi@79 | 42 | 
| devi@79 | 43 # Check if ^^^^ run on Linux | 
| devi@79 | 44 # and del vvvv this if it does | 
| devi@79 | 45 | 
| devi@76 | 46 export L3_TTY=`/usr/bin/tty` | 
| devi@79 | 47 uname -a | grep -qi bsd && bsd=yes | 
| devi@70 | 48 proc_on_the_term=`w | grep "${L3_TTY##/dev/}" | awk '{print $8;}'` | 
| devi@70 | 49 # freeBSD: | 
| devi@70 | 50 [ -n "$bsd" ] && \ | 
| devi@70 | 51 proc_on_the_term=`w | grep "${L3_TTY##/dev/tty}" | awk '{print $6;}'` | 
| devi@70 | 52 | 
| devi@79 | 53 [ -n "$proc_on_the_term" ] && echo $proc_on_the_term | grep -q script | 
| devi@70 | 54 } | 
| devi@70 | 55 | 
| devi@70 | 56 _l3_start_session() | 
| devi@70 | 57 { | 
| devi@79 | 58 export L3_SESSION_ID=${RANDOM}${RANDOM}${RANDOM}${RANDOM}-`date +%s` | 
| devi@71 | 59 export L3_HOME=~/.lilalo/ | 
| devi@70 | 60 mkdir -p $L3_HOME | 
| devi@70 | 61 | 
| devi@79 | 62 tty=`/usr/bin/tty` | 
| devi@70 | 63 uname -a | grep -qi bsd && bsd=yes | 
| devi@70 | 64 parent=`cat /proc/$PPID/cmdline 2> /dev/null` | 
| devi@79 | 65 [ -z "$parent" ] && parent="`ps waux | awk '{if ($2 == '$PPID') print $11; }'`" | 
| devi@70 | 66 system=`uname -rs` | 
| devi@79 | 67 login_from=`who | grep "${tty##/dev/}" | awk '{print $6;}' | tr -d '()'` | 
| devi@70 | 68 #[ -n "$bsd" ] && login_from="" #FIXME! | 
| devi@70 | 69 start_time=`date +%s` | 
| devi@70 | 70 hostname=`hostname -f 2> /dev/null` | 
| devi@70 | 71 [ -n "$bsd" ] && hostname=`hostname` | 
| devi@70 | 72 | 
| devi@70 | 73 cat <<INFO > $L3_HOME/$L3_SESSION_ID.info | 
| devi@70 | 74 <session> | 
| devi@70 | 75 <local_session_id>$L3_SESSION_ID</local_session_id> | 
| devi@70 | 76 <hostname>$hostname</hostname> | 
| devi@70 | 77 <user>$USER</user> | 
| devi@70 | 78 <uid>$UID</uid> | 
| devi@70 | 79 <login_from>$login_from</login_from> | 
| devi@79 | 80 <tty>$tty</tty> | 
| devi@70 | 81 <system>$system</system> | 
| devi@70 | 82 <parent>$parent</parent> | 
| devi@70 | 83 <ppid>$PPID</ppid> | 
| devi@70 | 84 <pid>$$</pid> | 
| devi@70 | 85 <start_time>$start_time</start_time> | 
| devi@76 | 86 <lang>$LANG</lang> | 
| devi@70 | 87 </session> | 
| devi@70 | 88 INFO | 
| devi@70 | 89 | 
| devi@79 | 90 unset parent system login_from start_time hostname tty | 
| devi@70 | 91 } | 
| devi@70 | 92 | 
| devi@70 | 93 _l3_run_script() | 
| devi@70 | 94 { | 
| devi@70 | 95 uname -a | grep -qi bsd && bsd=yes | 
| devi@70 | 96 flush="-f" #linux | 
| devi@70 | 97 [ -n "$bsd" ] && flush="-t 0" #freebsd | 
| devi@76 | 98 export L3_PARENT_TTY=`/usr/bin/tty` | 
| devi@70 | 99 exec script $flush -q $L3_HOME/${L3_SESSION_ID}.script | 
| devi@70 | 100 } | 
| devi@70 | 101 | 
| devi@76 | 102 # ===================== STAGE 2 ============================ | 
| devi@76 | 103 | 
| devi@76 | 104 _l3_env() | 
| devi@76 | 105 { | 
| devi@76 | 106 trap l3_close_session 2 | 
| devi@76 | 107 trap l3_close_session EXIT | 
| devi@76 | 108 true | 
| devi@76 | 109 } | 
| devi@76 | 110 | 
| devi@76 | 111 l3_close_session() | 
| devi@70 | 112 { | 
| devi@71 | 113 ( | 
| devi@71 | 114 echo '<history>' | 
| devi@71 | 115 history | sed 's/&/\&/; s/</\</g; s/>/\>/g' | 
| devi@71 | 116 echo '</history>' | 
| devi@71 | 117 ) >> $L3_HOME/$L3_SESSION_ID.info | 
| devi@70 | 118 } | 
| devi@70 | 119 | 
| devi@76 | 120 _l3_init_prompt() | 
| devi@76 | 121 { | 
| devi@76 | 122 PS1='[\u@\h:\W]\$ ' | 
| devi@77 | 123 [ $UID = 0 ] \ | 
| devi@77 | 124 && PS1='\[\033[0;31m\]'$PS1'\[\033[0m\]' \ | 
| devi@77 | 125 || PS1='\[\033[0;32m\]'$PS1'\[\033[0m\]' \ | 
| devi@76 | 126 export PS1 | 
| devi@76 | 127 } | 
| devi@76 | 128 | 
| devi@76 | 129 l3_fix_prompt() | 
| devi@76 | 130 { | 
| igor@114 | 131 # export PS1='\[v2#\!#$?#$UID#$$#$(/bin/date +%s)$(l3_save_last_line)#$PWD#\033[1024D\033[K\]'$PS1 | 
| igor@114 | 132 export PS1='\[$($L3_HOME/l3prompt "v3#\!#$?#$UID#$$#$(/bin/date +%s)#$PWD#")$(l3_save_last_line >& /dev/null)\]'$PS1 | 
| devi@76 | 133 } | 
| devi@76 | 134 | 
| devi@76 | 135 _l3_tamper_editors() | 
| devi@76 | 136 { | 
| devi@76 | 137 for editor_file in $_l3_editors_to_tamper | 
| devi@76 | 138 do | 
| devi@76 | 139 [ -x $editor_file ] || continue | 
| devi@76 | 140 editor_name=${editor_file##*/} | 
| devi@76 | 141 eval " | 
| devi@76 | 142 $editor_name() { | 
| devi@76 | 143 if [ -d \"\$1\" ] | 
| devi@76 | 144 then | 
| devi@76 | 145 $editor_file \"\$1\" | 
| devi@76 | 146 return \$? | 
| devi@76 | 147 else | 
| devi@76 | 148 TIME=\"\`date +%s\`\" | 
| devi@76 | 149 DIR=\"\" | 
| devi@76 | 150 [ \"\${1#/}\" = \"\$1\" ] && DIR=\"\$PWD/\" | 
| devi@80 | 151 DIFFNAME=\"\${L3_SESSION_ID}_\${TIME}\`echo \$DIR\$1| sed s@_@__@ | sed 's@/@_@g'\`.diff\" | 
| devi@76 | 152 old_file=\"/tmp/l3-saved-\$\$.\$RANDOM.\$RANDOM\" | 
| devi@76 | 153 /bin/cp -- \"\$1\" \"\$old_file\" 2> /dev/null | 
| devi@76 | 154 $editor_file \"\$@\" || ERR=\$? | 
| igor@112 | 155 if [ -e \"\$old_file\" ] | 
| igor@112 | 156 then | 
| igor@112 | 157 diff -u \"\$old_file\" \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null | 
| igor@112 | 158 else | 
| igor@112 | 159 diff -u /dev/null \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null | 
| igor@112 | 160 fi | 
| devi@76 | 161 /bin/rm \"\$old_file\" 2> /dev/null | 
| devi@76 | 162 return \$ERR | 
| devi@76 | 163 fi | 
| devi@76 | 164 } | 
| devi@76 | 165 " | 
| devi@76 | 166 L3_TAMPERED_EDITORS="$L3_TAMPERED_EDITORS $editor_name" | 
| devi@76 | 167 done | 
| devi@76 | 168 [ -n "$L3_TAMPERED_EDITORS" ] && export L3_TAMPERED_EDITORS | 
| devi@76 | 169 } | 
| devi@76 | 170 | 
| devi@76 | 171 _l3_tamper_commands() | 
| devi@76 | 172 { | 
| devi@76 | 173 tty() | 
| devi@76 | 174 { | 
| devi@76 | 175 [ -n "$L3_PARENT_TTY" ] && echo $L3_PARENT_TTY || /usr/bin/tty | 
| devi@76 | 176 } | 
| devi@76 | 177 } | 
| devi@76 | 178 | 
| devi@76 | 179 _l3_unset_internal() | 
| devi@76 | 180 { | 
| devi@76 | 181 unset `set | grep '^_l3_.*()' | sed 's/()//'` | 
| devi@76 | 182 unset `set | grep '^_l3_.*=' | sed 's/=.*//'` | 
| devi@76 | 183 } | 
| devi@78 | 184 | 
| devi@78 | 185 l3shot() | 
| devi@78 | 186 { | 
| devi@78 | 187 if [ -x "`which xwd`" ] | 
| devi@78 | 188 then | 
| devi@78 | 189 _l3_home=${L3_HOME:-~/.lilalo} | 
| devi@78 | 190 shot_name="${L3_SESSION_ID}_`date +%s`".xwd | 
| devi@78 | 191 echo -n Choose window to be shoot ... >&2 | 
| devi@78 | 192 [ -d ${_l3_home} ] || mkdir -p ${_l3_home} | 
| devi@78 | 193 xwd -out "$_l3_home/$shot_name" \ | 
| devi@78 | 194 && echo Screenshot is written to ${_l3_home}/${shot_name} \ | 
| igor@115 | 195 && curl -s -F photo=@$_l3_home/$shot_name http://`l3-config backend_address`/l3-upload | 
| devi@78 | 196 else | 
| devi@78 | 197 { | 
| devi@78 | 198 echo | 
| devi@78 | 199 echo "Can't make screenshot :(" | 
| devi@78 | 200 echo | 
| devi@78 | 201 echo I must use program xwd to make screenshot, | 
| devi@78 | 202 echo but it seems not to be installed | 
| devi@78 | 203 echo Try to find the program in the \"xbase-clients\" package | 
| devi@78 | 204 echo | 
| devi@78 | 205 } >&2 | 
| devi@78 | 206 fi | 
| devi@78 | 207 } | 
| devi@97 | 208 | 
| igor@111 | 209 l3upload() | 
| igor@111 | 210 { | 
| igor@111 | 211 if [ $# -lt 1 ] | 
| igor@111 | 212 then | 
| igor@111 | 213 echo Usage: | 
| igor@111 | 214 echo | 
| igor@111 | 215 echo l3upload "<filename>" | 
| igor@111 | 216 echo | 
| igor@111 | 217 echo "<filename>" - name of the file to upload | 
| igor@111 | 218 return 1 | 
| igor@111 | 219 else | 
| igor@111 | 220 source=$1 | 
| igor@111 | 221 target="${L3_SESSION_ID}_`date +%s`"_"$(echo $source|sed s@.*/@@)" | 
| igor@111 | 222 if echo $source | grep -q http:// | 
| igor@111 | 223 then | 
| igor@111 | 224 curl -s "$source" > /tmp/$target | 
| igor@111 | 225 else | 
| igor@111 | 226 [ -r "$source" ] || { echo "l3upload: Can't open $source for reading" > /dev/stderr; return 1; } | 
| igor@111 | 227 cp $source /tmp/$target | 
| igor@111 | 228 fi | 
| igor@111 | 229 echo Uploaded file name is ${target} | 
| igor@115 | 230 curl -s -F photo=@/tmp/$target http://`l3-config backend_address`/l3-upload && rm -f /tmp/$target | 
| igor@111 | 231 fi | 
| igor@111 | 232 } | 
| igor@111 | 233 | 
| devi@97 | 234 # Append lines from "$@" files to the end of the shell history | 
| igor@111 | 235 hist_append () | 
| igor@111 | 236 { | 
| igor@111 | 237 eval $(cat "$@" | sed 's/"/\\\\"/g' | while read line; do echo history -s \"$line\"\;; done); | 
| devi@97 | 238 } | 
| devi@97 | 239 | 
| devi@97 | 240 l3_save_last_line () | 
| devi@97 | 241 { | 
| devi@97 | 242 ( | 
| devi@97 | 243 echo '<cline>' | 
| devi@97 | 244 history 1 | sed 's/&/&/; s/</\</g; s/>/\>/g' | 
| devi@97 | 245 echo '</cline>' | 
| devi@97 | 246 ) >> $L3_HOME/$L3_SESSION_ID.info | 
| devi@97 | 247 } | 
| devi@97 | 248 | 
| devi@107 | 249 l3 () | 
| devi@107 | 250 { | 
| devi@107 | 251 case "$1" in | 
| devi@107 | 252 on) | 
| devi@107 | 253 echo switching on | 
| devi@107 | 254 ;; | 
| devi@107 | 255 off) | 
| devi@107 | 256 echo switcing off | 
| devi@107 | 257 ;; | 
| devi@107 | 258 cd) | 
| devi@107 | 259 echo l3cd="$2" > ~/.l3rc | 
| devi@107 | 260 ;; | 
| devi@107 | 261 pwd) | 
| devi@107 | 262 grep ^l3cd= ~/.l3rc | sed s/[^=]*=// | 
| devi@107 | 263 ;; | 
| devi@107 | 264 *) | 
| igor@109 | 265 cat <<EOF | 
| igor@109 | 266 l3 [command]: | 
| igor@109 | 267 | 
| igor@109 | 268 cd new_context - change current lilalo context | 
| igor@109 | 269 pwd - show current lilalo context | 
| igor@109 | 270 on - switch writing on (NOT IMPLEMENTED YET) | 
| igor@109 | 271 off - switch writing off (NOT IMPLEMENTED YET) | 
| igor@109 | 272 | 
| igor@109 | 273 EOF | 
| devi@107 | 274 ;; | 
| devi@107 | 275 esac | 
| devi@107 | 276 } | 
| devi@97 | 277 | 
| igor@109 | 278 l3cd() | 
| igor@109 | 279 { | 
| igor@109 | 280 l3 cd "$@" | 
| igor@109 | 281 } | 
| igor@109 | 282 | 
| igor@109 | 283 l3pwd() | 
| igor@109 | 284 { | 
| igor@109 | 285 l3 pwd | 
| igor@109 | 286 } | 
| igor@109 | 287 | 
