module/admin-core/contrib/ffluci-flash

   1 #!/bin/sh
   2 . /etc/functions.sh
   3
   4 # initialize defaults
   5 RAMFS_COPY_BIN=""       # extra programs for temporary ramfs root
   6 RAMFS_COPY_DATA=""      # extra data files
   7 export KEEP_PATTERN=""
   8 export VERBOSE=1
   9
  10 # parse options
  11 while [ -n "$1" ]; do
  12         case "$1" in
  13                 -k)
  14                                 shift
  15                                 export KEEP_PATTERN="$1"
  16                 ;;
  17                 -*)
  18                         echo "Invalid option: $1"
  19                         exit 1
  20                 ;;
  21                 *) break;;
  22         esac
  23         shift;
  24 done
  25
  26 export CONFFILES=/tmp/sysupgrade.conffiles
  27 export CONF_TAR=/tmp/sysupgrade.tgz
  28
  29 [ -f $CONFFILES ] && rm $CONFFILES
  30 [ -f $CONF_TAR ]  && rm $CONF_TAR
  31
  32 export ARGV="$*"
  33 export ARGC="$#"
  34
  35 [ -z "$ARGV" ] && {
  36         cat <<EOF
  37 Usage: $0 [options] <image file or URL>
  38
  39 Options:
  40         -k      <"file 1, file 2, ..."> Files to be kept
  41 EOF
  42         exit 1
  43 }
  44
  45 add_pattern_conffiles() {
  46         local file="$1"
  47         find $KEEP_PATTERN >> "$file" 2>/dev/null
  48         return 0
  49 }
  50
  51 # hooks
  52 sysupgrade_image_check="platform_check_image"
  53 sysupgrade_init_conffiles=""
  54
  55 [ -n "$KEEP_PATTERN" ] && append sysupgrade_init_conffiles "add_pattern_conffiles"
  56
  57 include /lib/upgrade
  58
  59 do_save_conffiles() {
  60         [ -z "$(rootfs_type)" ] && {
  61                 echo "Cannot save config while running from ramdisk."
  62                 exit 3
  63                 return 0
  64         }
  65         run_hooks "$CONFFILES" $sysupgrade_init_conffiles
  66
  67         v "Saving config files..."
  68         [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
  69         tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
  70 }
  71
  72 type platform_check_image >/dev/null 2>/dev/null || {
  73         echo "Firmware upgrade is not implemented for this platform."
  74         exit 1
  75 }
  76
  77 for check in $sysupgrade_image_check; do
  78         ( eval "$check \"\$ARGV\"" ) || {
  79                 echo "Image check '$check' failed."
  80                 exit 2
  81         }
  82 done
  83
  84 [ -n "$sysupgrade_init_conffiles" ] && do_save_conffiles
  85 run_hooks "" $sysupgrade_pre_upgrade
  86
  87 v "Switching to ramdisk..."
  88 run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'