scripts/sysupgrade-tar.sh

   1 #!/bin/sh
   2
   3 board=""
   4 kernel=""
   5 rootfs=""
   6 outfile=""
   7 err=""
   8
   9 while [ "$1" ]; do
  10         case "$1" in
  11         "--board")
  12                 board="$2"
  13                 shift
  14                 shift
  15                 continue
  16                 ;;
  17         "--kernel")
  18                 kernel="$2"
  19                 shift
  20                 shift
  21                 continue
  22                 ;;
  23         "--rootfs")
  24                 rootfs="$2"
  25                 shift
  26                 shift
  27                 continue
  28                 ;;
  29         *)
  30                 if [ ! "$outfile" ]; then
  31                         outfile=$1
  32                         shift
  33                         continue
  34                 fi
  35                 ;;
  36         esac
  37 done
  38
  39 if [ ! -n "$board" -o ! -r "$kernel" -a  ! -r "$rootfs" -o ! "$outfile" ]; then
  40         echo "syntax: $0 [--board boardname] [--kernel kernelimage] [--rootfs rootfs] out"
  41         exit 1
  42 fi
  43
  44 tmpdir="$( mktemp -d 2> /dev/null )"
  45 if [ -z "$tmpdir" ]; then
  46         # try OSX signature
  47         tmpdir="$( mktemp -t 'ubitmp' -d )"
  48 fi
  49
  50 if [ -z "$tmpdir" ]; then
  51         exit 1
  52 fi
  53
  54 mkdir -p "${tmpdir}/sysupgrade-${board}"
  55 echo "BOARD=${board}" > "${tmpdir}/sysupgrade-${board}/CONTROL"
  56 [ -z "${rootfs}" ] || cp "${rootfs}" "${tmpdir}/sysupgrade-${board}/root"
  57 [ -z "${kernel}" ] || cp "${kernel}" "${tmpdir}/sysupgrade-${board}/kernel"
  58
  59 mtime=""
  60 if [ -n "$SOURCE_DATE_EPOCH" ]; then
  61         mtime="--mtime=@${SOURCE_DATE_EPOCH}"
  62 fi
  63
  64 (cd "$tmpdir"; tar cvf sysupgrade.tar sysupgrade-${board} ${mtime})
  65 err="$?"
  66 if [ -e "$tmpdir/sysupgrade.tar" ]; then
  67         cp "$tmpdir/sysupgrade.tar" "$outfile"
  68 else
  69         err=2
  70 fi
  71 rm -rf "$tmpdir"
  72
  73 exit $err