bashrc.auto.export

#######
# ½øÈëuosĿ¼ʱ×Ô¶¯¼ì²âexport.sh
#######
is_set=false
PS1_bak="$PS1"

#isAbsDir()
#{
#   ch=`expr substr $1 1 1`
#   [ "$ch" = "/" -o "$ch" = "~" ] && return 0
#   return 1
#}

checkExport()
{
    if [ -f $1/export.sh ]
    then
        if $is_set && [ "$UOS_BASE" = "$1" ]
        then
            return 0
        fi

        command cd $1

        . export.sh
        PS1=`echo $PS1_bak | sed "s/w/w\n$(basename $1)/"`
        export PS1="$PS1"

        [ -f set_env.sh ] && . set_env.sh
        is_set=true

        return 0
    fi

    return 1
}

cd()
{
    if [ ! -n "$1" ]
    then
        export PS1="$PS1_bak"
        command cd
        is_set=false
        return
    fi

    if [ ! -d "$1" -a "$1" != "-" ]
    then
        command cd $1
        return
    fi

    set_ok=false
    cur_path=$(pwd)

    command cd $1
    abs_path=$(pwd)
    cd_path=$(pwd -P)
    command cd $cur_path

    while [ -n $cd_path -a "$cd_path" != "." -a "$cd_path" != "/" ]
    do
        if checkExport $cd_path
        then
            set_ok=true
            break
        fi

        cd_path=$(dirname $cd_path)
    done

    command cd $abs_path

    if ! $set_ok
    then
        is_set=false
        export PS1="$PS1_bak"
    fi
}