release/src/router/busybox/qemu_multiarch_testing/make-hdc-img.sh

   1 #!/bin/sh -ex
   2
   3 mountpoint -q /
   4 [ ! -e hdc.img.dir ]
   5
   6 cleanup()
   7 {
   8         trap - EXIT
   9         if mountpoint -q hdc.img.dir; then
  10                 umount -d hdc.img.dir
  11         fi
  12         mountpoint -q hdc.img.dir ||
  13                 rm -rf hdc.img.dir
  14         exit $@
  15 }
  16
  17 trap 'cleanup $?' EXIT
  18 trap 'cleanup 1' HUP PIPE INT QUIT TERM
  19
  20 size=$(du -ks hdc.dir | sed -rn 's/^([0-9]+).*/\1/p')
  21 [ "$size" -gt 0 ]
  22
  23 rm -f hdc.img
  24 dd if=/dev/zero of=hdc.img count=1 bs=1024 seek=$(($size*2))
  25 mkfs.ext3 -q -F -b 1024 -i 4096 hdc.img
  26 tune2fs -c 0 -i 0 hdc.img
  27 mkdir hdc.img.dir
  28 mount -o loop hdc.img hdc.img.dir
  29 cp -a hdc.dir/* hdc.img.dir/
  30 umount -d hdc.img.dir