| #!/bin/bash |
| |
| set -e |
| |
| if [ "$#" -ne 1 ]; then |
| echo "$0 path-to-system.img | path-to-vendor.img" >&2 |
| exit 1 |
| fi |
| |
| srcimg=$1 |
| if [[ ! -f "$srcimg" ]]; then |
| echo "$0: '${srcimg}' does not exist" |
| exit 1 |
| fi |
| |
| base_srcimg=`basename $srcimg` |
| label="${base_srcimg%.*}" |
| dir_name=$(dirname $srcimg) |
| target=${dir_name}/$label-qemu.img |
| |
| #check if $srcimg is sparse |
| magic="3aff26ed" |
| src_magic=`xxd -p -l 4 $srcimg` |
| |
| if [[ $src_magic == $magic ]]; then |
| echo "Unsparsing ${srcimg}" |
| tmpfile=$(mktemp -t unsparse_image.XXXXXX) |
| ${SIMG2IMG:-simg2img} $srcimg $tmpfile > /dev/null 2>&1 |
| srcimg="$tmpfile" |
| fi |
| |
| dd if=/dev/zero of=$target ibs=1024k count=1 > /dev/null 2>&1 |
| dd if=$srcimg of=$target conv=notrunc,sync ibs=1024k obs=1024k seek=1 > /dev/null 2>&1 |
| unamestr=`uname` |
| if [[ "$unamestr" == 'Linux' ]]; then |
| curdisksize=$(stat -c %s $target) |
| elif [[ "$unamestr" == 'Darwin' ]]; then |
| curdisksize=$(stat -f %z $target) |
| else |
| echo "Cannot determine OS type, quit" |
| exit 1 |
| fi |
| |
| dd if=/dev/zero of=$target conv=notrunc bs=1 count=1024k seek=$curdisksize > /dev/null 2>&1 |
| |
| disksize=`expr $curdisksize + 1024 \* 1024 ` |
| |
| end=`expr $disksize \/ 512 - 2048 - 1` |
| ${SGDISK:-sgdisk} --clear $target > /dev/null 2>&1 |
| ${SGDISK:-sgdisk} --new=1:2048:$end --type=1:8300 --change-name=1:$label $target > /dev/null 2>&1 |
| |
| if [[ -e $tmpfile ]]; then |
| rm $tmpfile |
| fi |
