| mbr437=$( dd 2>/dev/null if="$targetDisk" count=1 | dd 2>/dev/null count=1 bs=437 | perl -ne '@a=split"";for(@a){printf"%02x",ord}' )␊ |
| #mbr437md5=$( dd 2>/dev/null if="$targetDisk" count=1 | dd 2>/dev/null count=1 bs=437 | md5 )␊ |
| ␊ |
| #echo "DEBUG: ${mbr437}"␊ |
| ␊ |
| if [ $( echo "${mbr437}" | awk -F0 '{print NF-1}' ) = 874 ]; then␊ |
| ␉echo "The first 437 bytes of the MBR Disk Sector is blank - Updating"␊ |
| ␉#"$scriptDir"InstallLog.sh "${targetVolume}" "Target has no bootcode in the MBR disk sector."␊ |
| else␊ |
| if [ $( echo "${mbr437}" | awk -F0 '{print NF-1}' ) != 874 ]; then␊ |
| ␉# There is already something on the MBR ␊ |
| ␊ |
| ␉# See if a Windows bootloader already exists␊ |
|
| ␉windowsloader=$( dd 2>/dev/null if="$targetDisk" count=4 bs=1 | xxd | awk '{print $2$3}' )␊ |
| ␉if [ "${windowsloader}" == "33c08ed0" ] ; then␊ |
| ␉␉#echo "DEBUG: Found existing Windows Boot Loader so will replace with Chameleon boot0md"␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target has existing Windows boot loader - Will replace with boot0md"␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target disk has existing Windows boot loader - Will replace with boot0md"␊ |
| ␉fi␊ |
| ␊ |
| ␉# See if a Chameleon stage0 boot file already exists␊ |
|
| ␉stage0type=$( dd 2>/dev/null if="$targetDisk" count=3 bs=1 skip=105 | xxd | awk '{print $2$3}' )␊ |
| ␉if [ "${stage0type}" == "0b807c" ]; then␊ |
| ␉␉#echo "DEBUG: Target has existing Chameleon stage 0 loader - Boot0hfs"␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target has existing Chameleon stage 0 loader - boot0hfs"␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target disk already has existing Chameleon stage 0 loader - boot0hfs"␊ |
| ␊ |
| ␉␉# Script CheckDiskSignature.sh returned 0 if a Windows installation was NOT found␊ |
| ␉␉if [ "$diskSigCheck" == "0" ]; then␊ |
|
| ␊ |
| ␉if [ "${stage0type}" == "0a803c" ]; then␊ |
| ␉␉#echo "DEBUG: Found existing Chameleon stage 0 loader - Boot0"␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target has existing Chameleon stage 0 loader - boot0"␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target disk already has existing Chameleon stage 0 loader - boot0"␊ |
| ␊ |
| ␉␉# Script CheckDiskSignature.sh returned 1 if a Windows installation was found␊ |
| ␉␉if [ "$diskSigCheck" = "1" ]; then␊ |
|
| ␉if [ "${stage0type}" == "ee7505" ]; then␊ |
| ␉␉#echo "DEBUG: Found existing Chameleon stage 0 loader - Boot0md"␊ |
| ␉␉#echo "DEBUG: And will leave boot0md installed."␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target has existing Chameleon stage 0 loader - boot0md. Leaving as is."␊ |
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "Target disk already has existing Chameleon stage 0 loader - boot0md."␊ |
| ␉␉exit 1␊ |
| ␉fi␊ |
| ␊ |
|
| ␉␉"$scriptDir"InstallLog.sh "${targetVolume}" "NOTE: Target has existing unrecognised bootcode in the MBR. Leaving as is."␊ |
| ␉␉exit 1␊ |
| ␉fi␊ |
| #else␊ |
| ␉#echo "DEBUG: The first 437 bytes of the MBR Disk Sector is blank - Updating"␊ |
| ␉#"$scriptDir"InstallLog.sh "${targetVolume}" "Target has no bootcode in the MBR disk sector."␊ |
| fi␊ |
| ␊ |
| echo "diskupdate is now set to true."␊ |
