#!/bin/bash (source)

function Create_Filesystem_Tree() {
   #
   # The GoboLinux directory hierarchy
   #
   root="$1"
   superuser="$2"
   usesystemindex="$3"

   function create_dir() {
      [ -d "$1" ] || mkdir -p "$1"
      [ "$2" ] && $sudo_exec chown $2 "$1"
      [ "$3" ] && $sudo_exec chmod $3 "$1"
      true
   }

   if [ "$usesystemindex" ]
   then
      create_dir $root/System/Index/etc
      create_dir $root/System/Index/bin
      create_dir $root/System/Index/lib
      create_dir $root/System/Index/libexec
      create_dir $root/System/Index/include
      create_dir $root/System/Index/share/man
      create_dir $root/System/Index/share/info
      variabledir="Data/Variable"
      filesdir="Data"
   else
      create_dir $root/Depot
      variabledir="System/Variable"
      filesdir="Files"
   fi

   create_dir $root/System/Links/Tasks
   create_dir $root/System/Links/Environment
   create_dir $root/$variabledir/log
   create_dir $root/$variabledir/tmp 0 a+wt
   create_dir $root/$variabledir/log
   create_dir $root/$variabledir/mail
   create_dir $root/$variabledir/run
   create_dir $root/$variabledir/lock
   create_dir $root/$variabledir/spool
   create_dir $root/$variabledir/cache
   create_dir $root/$variabledir/empty 0 0755
   create_dir $root/$variabledir/lib
   create_dir $root/$variabledir/lib/misc
   create_dir $root/System/Kernel
   create_dir $root/System/Kernel/Boot
   create_dir $root/System/Kernel/Objects
   create_dir $root/System/Kernel/Modules
   create_dir $root/System/Kernel/Devices
   create_dir $root/System/Kernel/Status
   create_dir $root/System/Kernel/Config
   create_dir $root/Users/$superuser
   create_dir $root/$filesdir/Compile/Archives 0.sys 2755
   create_dir $root/$filesdir/Compile/Sources 0.sys 2755
   create_dir $root/$filesdir/Compile/Store 0.sys 2755
   create_dir $root/Mount/.Pivot
   create_dir $root/Mount/CD-ROM
   create_dir $root/Mount/GoboLinux
   create_dir $root/Mount/Floppy
   create_dir $root/Mount/TmpFS
   create_dir $root/Mount/Media
   create_dir $root/Programs

   #
   # Legacy Links
   #
   create_dir $root/usr

   function create_link() {
      [ -e "$2" ] || ln -nfs "$1" "$2"
      true
   }

   if [ "$usesystemindex" ]
   then
      create_link System/Index/lib            $root/lib
      create_link System/Index/bin            $root/bin
      create_link System/Index/sbin           $root/sbin
      create_link ../System/Index/bin         $root/usr/bin
      create_link ../System/Index/include     $root/usr/include
      create_link ../System/Index/lib         $root/usr/lib
      create_link ../System/Index/share/man   $root/usr/man
      create_link ../System/Index/sbin        $root/usr/sbin
      create_link ../System/Index/share       $root/usr/share
      create_link bin                         $root/System/Index/sbin
      # compatibility links
      create_link ../../System/Index/bin      $root/System/Links/Executables
      create_link ../../System/Index/lib      $root/System/Links/Libraries
      create_link ../../System/Index/share    $root/System/Links/Shared
      create_link ../../System/Index/include  $root/System/Links/Headers
      create_link ../Data/Variable            $root/System/Variable
      create_link ../System/Index/etc         $root/System/Settings
   else
      create_dir $root/System/Links/Executables
      create_dir $root/System/Links/Libraries
      create_dir $root/System/Links/Headers
      create_dir $root/System/Links/Shared
      create_dir $root/System/Links/Manuals/info

      create_link System/Links/Libraries      $root/lib
      create_link System/Links/Executables    $root/bin
      create_link System/Links/Executables    $root/sbin
      create_link ../System/Links/Executables $root/usr/bin
      create_link ../System/Links/Executables $root/usr/sbin
      create_link ../System/Links/Headers     $root/usr/include
      create_link ../System/Links/Libraries   $root/usr/lib
      create_link ../System/Links/Manuals     $root/usr/man
      create_link ../System/Links/Shared      $root/usr/share
      create_link ../Manuals                  $root/System/Links/Shared/man
      create_dir $root/System/Settings
   fi
   create_link $variabledir                $root/var
   create_link $variabledir/tmp            $root/tmp
   create_link System/Kernel/Objects       $root/sys
   create_link System/Kernel/Devices       $root/dev
   create_link System/Kernel/Status        $root/proc
   create_link System/Kernel/Config        $root/config
   create_link System/Settings             $root/etc
   create_link System/Kernel/Boot          $root/boot
   create_link Mount                       $root/mnt
   create_link Mount/Media                 $root/media
   create_link $filesdir                   $root/srv
   create_link /System/Kernel/Modules      $root/System/Links/Libraries/modules
   create_link .                           $root/usr/X11R6
   create_link .                           $root/usr/local
}

function Create_Device_Nodes() {
   #
   # FIFOs and device nodes
   #
   root="$1"

   if ! [ -e $root/System/Kernel/Devices/log ]
   then mkfifo $root/System/Kernel/Devices/log
   fi
   
   if ! [ -e $root/System/Kernel/Devices/initctl ]
   then mkfifo -m 0600 $root/System/Kernel/Devices/initctl
   fi

   if ! [ -e $root/System/Kernel/Devices/fd ]
   then ln -sf /System/Kernel/Status/self/fd $root/System/Kernel/Devices/
   fi

   function create_node() {
      unset mode
      if [ "$5" ]
      then mode="-m$5"
      fi
      if ! [ -e "$root/System/Kernel/Devices/$1" ]
      then $sudo_exec mknod $root/System/Kernel/Devices/$1 $2 $3 $4 $mode
      fi
      true
   }

   create_node console c 5 1 0600 
   create_node hda     b 3 0
   create_node hdb     b 3 64
   create_node hdc     b 22 0
   create_node hdd     b 22 64
   for i in `seq 0 31`
   do
      create_node loop$i b 7 $i
   done
   create_node null    c 1 3 0666
   create_node ram0    b 1 0
   create_node random  c 1 8
   create_node scd0    b 11 0
   create_node scd1    b 11 1
   create_node scd2    b 11 2
   create_node scd3    b 11 3
   create_node scd4    b 11 4
   create_node sda     b 8 0
   create_node sdb     b 8 16
   create_node sdc     b 8 32
   create_node sdd     b 8 48
   create_node tty0    c 4 0
   create_node tty1    c 4 1
   create_node tty2    c 4 2
   create_node tty3    c 4 3
   create_node tty4    c 4 4
   create_node tty5    c 4 5
   create_node tty6    c 4 6
   create_node ttyS0   c 4 64
   create_node urandom c 1 9
}