setup-ivi-fstab

   1 #!/bin/sh -euf
   2
   3 # Copyright 2013-2014 Intel Corporation
   4 # Author: Artem Bityutskiy
   5 # License: GPLv2
   6
   7 PROG="setup-ivi-fstab"
   8 VER="1.0"
   9
  10 srcdir="$(readlink -ev -- ${0%/*})"
  11 PATH="/usr/share/setup-ivi:$srcdir:$PATH"
  12
  13 if [ -f "$srcdir/setup-ivi-sh-functions" ]; then
  14         . "$srcdir/setup-ivi-sh-functions"
  15         . "$srcdir/installerfw-sh-functions"
  16 else
  17         .  /usr/share/setup-ivi/setup-ivi-sh-functions
  18         .  /usr/share/setup-ivi/installerfw-sh-functions
  19 fi
  20
  21 # This is a small trick which I use to make sure my scripts are portable -
  22 # check if 'dash' is present, and if yes - use it.
  23 if can_switch_to_dash; then
  24         exec dash -euf -- "$srcdir/$PROG" "$@"
  25         exit $?
  26 fi
  27
  28 show_usage()
  29 {
  30         cat <<-EOF
  31 Usage: $PROG [options]
  32
  33 Create the default Tizen IVI /etc/fstab file.
  34
  35 Options:
  36   -f, --force    re-write /etc/fstab if it exists
  37   -v, --verbose  be verbose
  38   --version      show the program version and exit
  39   -h, --help     show this text and exit
  40 EOF
  41 }
  42
  43 show_usage_fail()
  44 {
  45         IFS= printf "%s\n\n" "$PROG: error: $*" >&2
  46         show_usage >&2
  47         exit 1
  48 }
  49
  50 # Parse the options
  51 tmp=`getopt -n $PROG -o f,v,h --long force,verbose,version,help -- "$@"` ||
  52         show_usage_fail "cannot parse command-line options"
  53 eval set -- "$tmp"
  54
  55 force=
  56 verbose=
  57 while true; do
  58         case "$1" in
  59         -f|--force)
  60                 force="-f"
  61                 ;;
  62         -v|--verbose)
  63                 verbose="-v"
  64                 ;;
  65         --version)
  66                 printf "%s\n" "$VER"
  67                 exit 0
  68                 ;;
  69         -h|--help)
  70                 show_usage
  71                 exit 0
  72                 ;;
  73         --) shift; break
  74                 ;;
  75         *) show_usage_fail "unrecognized option \"$1\""
  76                 ;;
  77         esac
  78         shift
  79 done
  80
  81 if ! installerfw_available; then
  82         installerfw_restore_env
  83 fi
  84
  85 fstab="$(installerfw_mnt_prefix "/etc/fstab")"
  86
  87 if [ -s "$fstab" ] && [ -z "$force" ]; then
  88         fatal "\"$fstab\" already exists, use -f to re-write it"
  89 fi
  90
  91 installerfw_verify_defined "INSTALLERFW_PART_COUNT"
  92
  93 contents="# Generated by $PROG
  94 devpts  /dev/pts  devpts  gid=5,mode=620  0 0
  95 tmpfs   /dev/shm  tmpfs   defaults        0 0
  96 proc    /proc     proc    defaults        0 0
  97 sysfs   /sys      sysfs   defaults        0 0"
  98
  99 pnum=0
 100 while [ "$pnum" -lt "$INSTALLERFW_PART_COUNT" ]; do
 101         installerfw_verify_defined "INSTALLERFW_PART${pnum}_UUID"
 102         installerfw_verify_defined "INSTALLERFW_PART${pnum}_MOUNTPOINT"
 103         installerfw_verify_defined "INSTALLERFW_PART${pnum}_FSTYPE"
 104
 105         eval uuid="\${INSTALLERFW_PART${pnum}_UUID:-}"
 106         eval mountpoint="\${INSTALLERFW_PART${pnum}_MOUNTPOINT:-}"
 107         eval fsopts="\${INSTALLERFW_PART${pnum}_FSOPTS:-defaults}"
 108         eval fstype="\${INSTALLERFW_PART${pnum}_FSTYPE:-}"
 109
 110         if [ "$fstype" = "vfat" ]; then
 111                 # FAT FS's short UUID has to be uppercase
 112                 uuid="$(printf "%s" "$uuid" | tr "[:lower:]" "[:upper:]")"
 113         else
 114                 # Normal UUID has to be lowercase
 115                 uuid="$(printf "%s" "$uuid" | tr "[:upper:]" "[:lower:]")"
 116         fi
 117
 118         contents="${contents}${br}UUID=$uuid  $mountpoint  $fstype  $fsopts  0 0"
 119
 120         pnum="$((pnum+1))"
 121 done
 122
 123 verbose "writing the followint to \"$fstab\": $contents"
 124
 125 printf "%s" "$contents" > "$fstab"