lilalo
view l3bashrc @ 156:a0daf0c3fa52
bsd fix
| author | Igor Chubin <igor@chub.in> | 
|---|---|
| date | Mon Nov 28 13:15:16 2011 +0200 (2011-11-28) | 
| parents | 8ee5e59f1bd3 | 
| children | 
 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}${RANDOM}-`date +%s`
    59     export L3_HOME=~/.lilalo/
    60     L3_SQLITE=$L3_HOME/report.sqlite
    61     mkdir -p $L3_HOME
    63     tty=`/usr/bin/tty`
    64     uname -a | grep -qi bsd && bsd=yes
    65     parent=`cat /proc/$PPID/cmdline 2> /dev/null`
    66     [ -z "$parent" ] && parent="`ps waux | awk '{if ($2 == '$PPID') print $11; }'`"
    67     system=`uname -rs`
    68     login_from=`who | grep "${tty##/dev/}" | awk '{print $6;}' | tr -d '()'`
    69     #[ -n "$bsd" ] && login_from="" #FIXME!
    70     start_time=`date +%s`
    71     hostname=`hostname -f 2> /dev/null`
    72     [ -n "$bsd" ] && hostname=`hostname`
    74     cat <<INFO | perl
    75 use DBI;
    76 use strict;
    77 my \$db = DBI->connect("dbi:SQLite:$L3_SQLITE", "", "",
    78 {RaiseError => 1, AutoCommit => 1});
    80 \$db->do("CREATE TABLE IF NOT EXISTS sessions (id INTEGER PRIMARY KEY, 
    81             session TEXT, hostname TEXT, user TEXT, uid TEXT, login_from TEXT, 
    82             tty TEXT, system TEXT, parent TEXT, ppid TEXT, pid TEXT, start_time TEXT, lang TEXT)");
    83 \$db->do("INSERT INTO sessions VALUES (NULL, '$L3_SESSION_ID', '$hostname', '$USER', '$UID', '$login_from',
    84             '$tty', '$system', '$parent', '$PPID', '$$',
    85             '$start_time', '$LANG')");
    86 INFO
    87     #perl $temp_l3_name #; rm $temp_l3_name; unset temp_l3_name
    89     cat <<INFO > $L3_HOME/$L3_SESSION_ID.info
    90 <session>
    91     <local_session_id>$L3_SESSION_ID</local_session_id>
    92     <hostname>$hostname</hostname>
    93     <user>$USER</user>
    94     <uid>$UID</uid>
    95     <login_from>$login_from</login_from>
    96     <tty>$tty</tty>
    97     <system>$system</system>
    98     <parent>$parent</parent>
    99     <ppid>$PPID</ppid>
   100     <pid>$$</pid>
   101     <start_time>$start_time</start_time>
   102     <lang>$LANG</lang>
   103 </session>
   104 INFO
   106     unset parent system login_from start_time hostname tty
   107 }
   109 _l3_run_script()
   110 {
   111     uname -a | grep -qi bsd && bsd=yes
   112     flush="-f"                          #linux
   113     [ -n "$bsd" ] && flush="-t 0"       #freebsd
   114     export L3_PARENT_TTY=`/usr/bin/tty`
   115     if [ -n "$bsd" ]
   116     then
   117     exec script $flush -q $L3_HOME/${L3_SESSION_ID}.script ${0#-}
   118     else
   119     exec script $flush -c ${0#-} -q $L3_HOME/${L3_SESSION_ID}.script
   120     fi
   121 }
   123 # ===================== STAGE 2 ============================
   125 _l3_env()
   126 {
   127     trap l3_close_session 2
   128     trap l3_close_session EXIT
   129     true
   130 }
   132 l3_close_session()
   133 {
   134     ( 
   135         echo '<history>'
   136         history | sed 's/&/\&/; s/</\</g; s/>/\>/g'
   137         echo '</history>'
   138     ) >> $L3_HOME/$L3_SESSION_ID.info
   139 }
   141 _l3_init_prompt()
   142 {
   143     PS1='[\u@\h:\W]\$ '
   144     [ $UID = 0 ] \
   145         && PS1='\[\033[0;31m\]'$PS1'\[\033[0m\]' \
   146         || PS1='\[\033[0;32m\]'$PS1'\[\033[0m\]' \
   147     export PS1
   148 }
   150 l3_fix_prompt()
   151 {
   152     export PS1='\[$($L3_HOME/l3prompt "v3#\!#$?#$UID#$$#$(/bin/date +%s)#$PWD#$RANDOM#")$(l3_save_last_line >& /dev/null)\]'$PS1
   153 }
   155 _l3_tamper_editors()
   156 {
   157     for editor_file in $_l3_editors_to_tamper
   158     do
   159         [ -x $editor_file ] || continue
   160         editor_name=${editor_file##*/}
   161         eval "
   162         $editor_name() { 
   163             if [ -d \"\$1\" ] 
   164             then
   165                 $editor_file \"\$1\"
   166                 return \$?
   167             else
   168                 TIME=\"\`date +%s\`\"
   169                 DIR=\"\"
   170                 [ \"\${1#/}\" = \"\$1\" ] && DIR=\"\$PWD/\"
   171                 DIFFNAME=\"\${L3_SESSION_ID}_\${TIME}\`echo \$DIR\$1| sed s@_@__@ | sed 's@/@_@g'\`.diff\"
   172                 old_file=\"/tmp/l3-saved-\$\$.\$RANDOM.\$RANDOM\"
   173                 /bin/cp -- \"\$1\" \"\$old_file\" 2> /dev/null
   174                 $editor_file \"\$@\" || ERR=\$?
   175                 if [ -e \"\$old_file\" ]
   176                 then
   177                 diff -u \"\$old_file\" \"\$1\" > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null
   178                 else
   179                 diff -u /dev/null \"\$1\"  > \"\$L3_HOME/\$DIFFNAME\" 2> /dev/null
   180                 fi
   181                 /bin/rm \"\$old_file\" 2> /dev/null
   182                 return \$ERR
   183             fi
   184         }
   185         "
   186         L3_TAMPERED_EDITORS="$L3_TAMPERED_EDITORS $editor_name"
   187     done
   188     [ -n "$L3_TAMPERED_EDITORS" ] && export L3_TAMPERED_EDITORS
   189 }
   191 _l3_tamper_commands()
   192 {
   193     tty()
   194     {
   195         [ -n "$L3_PARENT_TTY" ] && echo $L3_PARENT_TTY || /usr/bin/tty
   196     }
   197 }
   199 _l3_unset_internal()
   200 {
   201     unset `set | grep '^_l3_.*()' | sed 's/()//'`
   202     unset `set | grep '^_l3_.*=' | sed 's/=.*//'`
   203 }
   205 l3shot()
   206 {
   207     if [ -x "`which xwd`" ]
   208     then
   209         _l3_home=${L3_HOME:-~/.lilalo}
   210         shot_name="${L3_SESSION_ID}_`date +%s`".xwd
   211         echo -n Choose window to be shoot ... >&2
   212         [ -d ${_l3_home} ] || mkdir -p ${_l3_home}
   213         xwd -out "$_l3_home/$shot_name" \
   214         && echo Screenshot is written to ${_l3_home}/${shot_name} \
   215         && curl -s -F photo=@$_l3_home/$shot_name http://`l3-config backend_address`/l3-upload
   216     else
   217         {
   218             echo
   219             echo "Can't make screenshot :("
   220             echo 
   221             echo I must use program xwd to make screenshot, 
   222             echo but it seems not to be installed
   223             echo Try to find the program in the \"xbase-clients\" package
   224             echo
   225         }   >&2 
   226     fi
   227 }
   229 l3upload()
   230 {
   231     if [ $# -lt 1 ]
   232     then
   233         echo Usage:
   234         echo 
   235         echo    l3upload "<filename> [<time>]"
   236         echo
   237         echo "<filename>" - name of the file to upload
   238         return 1
   239     else
   240         source=$1 
   241         time=`date +%s`
   242         [ -n "$2" ] && time="$2"
   243         target="${L3_SESSION_ID}_$time"_"$(echo $source|sed s@.*/@@)"
   244         if echo $source | grep -q http://
   245         then
   246             curl -s "$source" > /tmp/$target 
   247         else 
   248             [ -r "$source" ] || { echo "l3upload: Can't open $source for reading" > /dev/stderr; return 1; }
   249             cp $source /tmp/$target
   250         fi
   251         echo Uploaded file name is ${target}
   252         curl -s -F photo=@/tmp/$target http://`l3-config backend_address`/l3-upload && rm -f /tmp/$target
   253     fi
   254 }
   256 l3mass_upload()
   257 {
   258     for i in "$@"
   259     do
   260       l3upload $i `perl -e 'print (((stat("$i"))[9])."\n")'`
   261     done
   262 }
   264 # Append lines from "$@" files to the end of the shell history
   265 hist_append ()
   266 {
   267     eval $(cat "$@" | sed 's/"/\\\\"/g' | while read line; do echo history -s \"$line\"\;; done);
   268 }
   270 l3_save_last_line ()
   271 {
   272     (
   273     echo '<cline>'
   274     history 1 | sed 's/&/&/; s/</\</g; s/>/\>/g'
   275     echo '</cline>'
   276     ) >> $L3_HOME/$L3_SESSION_ID.info
   277 }
   279 l3 ()
   280 {
   281     case "$1" in
   282         context)
   283             if [ -z "$2" ] 
   284             then
   285                 echo "$L3_CONTEXT"
   286             else
   287                 echo $2 | grep -q ^/ && L3_CONTEXT="$2" || L3_CONTEXT="$L3_CONTEXT/$2"
   288                 export L3_CONTEXT="`echo $L3_CONTEXT | perl -e '$_=<>; 1 while s@/[^/]*/\.\.@@; print;'`"
   289             fi
   290         ;;
   291         cd)
   292             echo l3cd="$2" > ~/.l3rc
   293         ;;
   294         pwd)
   295             grep ^l3cd= ~/.l3rc | sed s/[^=]*=//
   296         ;;
   297         *) 
   298             l3text "$@"
   299         ;;
   300     esac
   301 }
