#!/bin/sh
# (c) Igor Chubin, igor@chub.in, 2004-2006
# Environment variables set by the script:
#
#       L3_SESSION_ID   - uniq id of the LiLaLo-session
#       L3_PARENT_TTY   - name of tty on which script is running
#       PS1             - intercative shell prompt in which LiLaLo hides
#                         various information about the command
#       L3_TAMPERED_EDITORS - list of editors which are tampered with functions
# Functions with the names starting _l3_ are internal.
# Such functions are unset before this rc script exits
_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'
_l3_start()
{
    echo $- | grep -q i || return 0
    if _l3_is_running_here
    then
        _l3_env
        _l3_init_prompt
         l3_fix_prompt
        _l3_tamper_editors
        _l3_tamper_commands
        _l3_unset_internal
    else
        _l3_start_session
        _l3_run_script
    fi
}
# ===================== STAGE 1 ============================
_l3_is_running_here()
{
        ps waux | awk '{print $2" "$11 }' | grep -q ^$PPID" "script
        return $?
# Check if ^^^^ run on Linux
# and del  vvvv this if it does
    export L3_TTY=`/usr/bin/tty`
    uname -a | egrep -qi '(bsd|darwin)' && bsd=yes
    proc_on_the_term=`w | grep "${L3_TTY##/dev/}" | awk '{print $8;}'`
    # freeBSD:
    [ -n "$bsd" ] && \
    proc_on_the_term=`w | grep "${L3_TTY##/dev/tty}" | awk '{print $6;}'`
    [ -n "$proc_on_the_term" ] && echo $proc_on_the_term | grep -q script
}
_l3_start_session()
{
    export L3_SESSION_ID=${RANDOM}${RANDOM}${RANDOM}${RANDOM}-`date +%s`
    export L3_HOME=~/.lilalo/
    mkdir -p $L3_HOME
    tty=`/usr/bin/tty`
    uname -a | egrep -qi '(bsd|darwin)' && bsd=yes
    parent=`cat /proc/$PPID/cmdline 2> /dev/null`
    [ -z "$parent" ] && parent="`ps waux | awk '{if ($2 == '$PPID') print $11; }'`"
    system=`uname -rs`
    login_from=`who | grep "${tty##/dev/}" | awk '{print $6;}' | tr -d '()'`
    #[ -n "$bsd" ] && login_from="" #FIXME!
    start_time=`date +%s`
    hostname=`hostname -f 2> /dev/null`
    [ -n "$bsd" ] && hostname=`hostname`
    cat <<INFO > $L3_HOME/$L3_SESSION_ID.info
<session>
    <local_session_id>$L3_SESSION_ID</local_session_id>
    <hostname>$hostname</hostname>
    <user>$USER</user>
    <uid>$UID</uid>
    <login_from>$login_from</login_from>
    <tty>$tty</tty>
    <system>$system</system>
    <parent>$parent</parent>
    <ppid>$PPID</ppid>
    <pid>$$</pid>
    <start_time>$start_time</start_time>
    <lang>$LANG</lang>
</session>
INFO
    unset parent system login_from start_time hostname tty
}
_l3_run_script()
{
    uname -a | egrep -qi '(bsd|darwin)' && bsd=yes
    flush="-f"                          #linux
    [ -n "$bsd" ] && flush="-t 0"       #freebsd
    export L3_PARENT_TTY=`/usr/bin/tty`
    if [ -n "$bsd" ]
    then
    exec script $flush -q $L3_HOME/${L3_SESSION_ID}.script ${0#-}
    else
    exec script $flush -c ${0#-} -q $L3_HOME/${L3_SESSION_ID}.script
    fi
}
# ===================== STAGE 2 ============================
_l3_env()
{
    trap l3_close_session 2
    trap l3_close_session EXIT
    true
}
l3_close_session()
{
    (
        echo '<history>'
        history | sed 's/&/\&amp;/; s/</\&lt;/g; s/>/\&gt;/g'
        echo '</history>'
    ) >> $L3_HOME/$L3_SESSION_ID.info
}
_l3_init_prompt()
{
    PS1='[\u@\h:\W]\$ '
    [ $UID = 0 ] \
        && PS1='\[\033[0;31m\]'$PS1'\[\033[0m\]' \
        || PS1='\[\033[0;32m\]'$PS1'\[\033[0m\]' \
    export PS1
}
l3_fix_prompt()
{