mod/hakchi/rootfs/etc/preinit.d/b0010_functions


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

remount_root(){
  local tmpmount=$modpath/var.tmp
  mkdir -p "$tmpmount"
  mount --move "$mountpoint/var" "$tmpmount"

  umount "$mountpoint"

  local loopfile=$tmpmount${1##$mountpoint/var}
  mount -o loop,ro "$loopfile" "$mountpoint" || shutdown

  mount --move "$tmpmount" "$mountpoint/var"
}

load_firmware(){
  [ -d "$firmwarepath" ] || return 0
  local firmware=$(find "$firmwarepath" -type f -name "*.hsqs" | sort | head -n 1)
  [ -f "$firmware" ] || return 0
  remount_root "$firmware" && cryptsetup close root-crypt
}

shutdown(){
  echo shutting down...
  umount -a
  poweroff -f
  while :;do :;done
}

early_getty(){
  getty -ni 115200 ttyS0 -l /bin/sh
}

copy(){
  # we must create target directory if source is directory
  [ -d "$1" ] && mkdir -p "$2"
  rsync -ac "$1" "$2"
}

restore(){
  copy "$mountpoint$1" "$rootfs$1"
}

mount_bind(){
  if mountpoint -q "$2"; then
    umount "$2" || umount -f "$2"
  fi
  mount -o bind "$1" "$2"
}

overmount(){
  if [ "$#" == "1" ]; then
    echo overmounting $1
    mount_bind "$rootfs$1" "$mountpoint$1"
  fi
  if [ "$#" == "2" ]; then
    echo overmounting $1 on $2
    mount_bind "$1" "$mountpoint$2"
  fi
}

overmount_games(){
  local menu_code=000
  [ -f "$installpath/menu" ] && menu_code=$(cat "$installpath/menu")
  [ -z "$menu_code" ] && menu_code=000
  echo Menu code: $menu_code
  if [ "$menu_code" == "000" ]; then
    overmount "$gamepath"
  else
    overmount "$rootfs$gamepath/$menu_code" "$gamepath"
  fi
}