| #!/bin/bash␊ |
| ␊ |
| echo "==============================================="␊ |
| echo "Check Previous Chameleon: Will there be problems?"␊ |
| echo "***********************************************"␊ |
| ␊ |
| # Checks the selected volume is present and the disk is partitioned␊ |
| # Now also check for another existing Chameleon installation on the same disk.␊ |
| ␊ |
| # Receives targetDisk: for example, /dev/disk3.␊ |
| # Receives targetDeviceRaw: for example, /dev/rdisk3s1.␊ |
| # Receives targetDevice: Stores device number, for example /dev/disk2s1.␊ |
| # Receives installerVolume: Volume to write the installer log to.␊ |
| # Receives scriptDir: The location of the main script dir.␊ |
| ␊ |
| if [ "$#" -eq 5 ]; then␊ |
| ␉targetDisk="$1"␊ |
| ␉targetDeviceRaw="$2"␊ |
| ␉targetDevice="$3"␊ |
| ␉installerVolume="$4"␊ |
| ␉scriptDir="$5"␊ |
| ␉echo "DEBUG: passed argument for targetDisk = $targetDisk"␊ |
| ␉echo "DEBUG: passed argument for targetDeviceRaw = $targetDeviceRaw"␊ |
| ␉echo "DEBUG: passed argument for targetDevice = $targetDevice"␊ |
| ␉echo "DEBUG: passed argument for installerVolume = $installerVolume"␊ |
| ␉echo "DEBUG: passed argument for scriptDir = $scriptDir"␊ |
| else␊ |
| ␉echo "Error - wrong number of values passed"␊ |
| ␉exit 9␊ |
| fi␊ |
| ␊ |
| ␊ |
| # Check for existing Chameleon installations on a different␊ |
| # partition of the same target disk.␊ |
| #echo "DEBUG: Checking for existing Chameleon installations on ${targetDisk#/dev/}..."␊ |
| ␊ |
| sliceNumber=$( echo ${targetDeviceRaw#*disk*s} )␊ |
| # strip slice from end␊ |
| targetDiskRawNoSlice=$( echo ${targetDeviceRaw%$sliceNumber} )␊ |
| ␊ |
| # Are there any other partitions on the disk?␊ |
| # How many actual partitions are there?␊ |
| numSlices=$(( $( diskutil list | grep $( echo ${targetDisk#/dev/} ) | sed -n '$=' ) -2 ))␊ |
| ␊ |
| # Only check the disk for Chameleon installations if there is more than one partition.␊ |
| if [ $numSlices -gt 1 ]; then ␊ |
| ␉␉␊ |
| ␉#Scan all partitions for Chameleon code␊ |
| ␉for (( i=1; i <= $numSlices; i++ ));␊ |
| ␉do␊ |
| ␉␉stageExistence=0␊ |
| ␉␉stage0FirstBootable=0␊ |
| ␉␉previousExistence="NONE"␊ |
| ␉␉targetDiskRaw=$targetDiskRawNoSlice$i␊ |
| ␊ |
| ␉␉# Check for existing stage 0 boot file (same code as CheckDiskMicrocode.sh script)␊ |
| ␉␉stage0type=$( dd 2>/dev/null if="$targetDisk" count=3 bs=1 skip=105 | xxd | awk '{print $2$3}' )␊ |
| ␉␉if [ "${stage0type}" == "0b807c" ] || [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
| ␉␉␉#echo "DEBUG: boot0 found on $targetDisk"␊ |
| ␉␉␉(( stageExistence++ ))␊ |
| ␉␉␉␊ |
| ␉␉␉# While here, check just for either existing boot0hfs, boot0md or boot0md (dmazar's boot0workV2)␊ |
| ␉␉␉if [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
| ␉␉␉␉stage0FirstBootable=1␊ |
| ␉␉␉fi␊ |
| ␉␉fi␊ |
| ␉␉␉␊ |
| ␉␉# Check for existence of a bootable partition boot sector containing either boot1h or boot1f32␊ |
| ␉␉boot1Search=$( dd 2>/dev/null if="$targetDiskRaw" count=1 | perl -ne '@a=split"";for(@a){printf"%02x",ord}' )␊ |
| ␉␉if [ "${boot1Search:0:16}" == "fa31c08ed0bcf0ff" ] && [ "${boot1Search:1020:2}" == "55" ]; then␊ |
| ␉␉␉#echo "DEBUG: boot1h found on "$targetDiskRaw␊ |
| ␉␉␉(( stageExistence++ ))␊ |
| ␉␉␉previousExistence="boot1"␊ |
| ␉␉elif [ "${boot1Search:0:4}" == "e962" ] && [ "${boot1Search:180:12}" == "424f4f542020" ] && [ "${boot1Search:1020:2}" == "55" ]; then␊ |
| ␉␉␉#echo "DEBUG: boot1f32 found on "$targetDiskRaw␊ |
| ␉␉␉(( stageExistence++ ))␊ |
| ␉␉␉previousExistence="boot1f32"␊ |
| ␉␉fi␊ |
| ␉␉␊ |
| ␉␉# Check for existing stage 2 boot file also␊ |
| ␉␉# NOTE: This will fail to find /boot on /Volumes/EFI as it won't be mounted!␊ |
| ␉␉if [ -e "$( df | grep ${targetDisk}s${i} | awk '{ print $6 }' )"/boot ]; then␊ |
| ␉␉␉#echo "DEBUG: boot found on $targetDiskRaw"␊ |
| ␉␉␉(( stageExistence++ ))␊ |
| ␉␉fi␊ |
| ␉␉␊ |
| ␉␉#if [ $stageExistence == 3 ] && [ $i -ne $sliceNumber ]; then␊ |
| ␉␉␉#echo "DEBUG: STOP: There is already an existing Chameleon installation on $targetDiskRaw"␊ |
| ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "STOP: There is already an existing Chameleon installation on $targetDiskRaw."␊ |
| ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: This is allowed and does work as long as you aren't dual booting Windows"␊ |
| ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: from the same disk and are happy to control which partition is used by"␊ |
| ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: flagging the required partition active. General use doesn't require two"␊ |
| ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: Chameleon installs on the same disk, though might be done by advanced users."␊ |
| ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: If you still want to do this then proceed by installing Chameleon manually."␊ |
| ␉␉␉#exit 1␊ |
| ␉␉#fi␊ |
| ␉␉␉␊ |
| ␉␉if [ $stageExistence -ge 2 ] && [ "$previousExistence" != "NONE" ] && [ $i -ne $sliceNumber ]; then␊ |
| ␉␉␉# There is previous Chameleon stage 1 code on a partition boot sector,␊ |
| ␉␉␉# and either a complete or incomplete installation (ie. boot0 or boot are missing).␊ |
| ␉␉␉if [ $stageExistence == 3 ]; then␊ |
| ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "WARN: There is already an existing Chameleon installation on $targetDiskRaw."␊ |
| ␉␉␉else␊ |
| ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: $previousExistence already exists at ${targetDisk}s${i}"␊ |
| ␉␉␉fi␊ |
| ␉␉␉␊ |
| ␉␉␉# This could prove problematic and result in either a b1f:error or boot0:error ␊ |
| ␉␉␉# if the following conditions are true:␊ |
| ␉␉␉# A) Boot0hfs, Boot0md or Boot0md (dmazar's Boot0workV2) is being used.␊ |
| ␉␉␉# B) The previous stage 1 code is on a lower partiton than the one being installed to now.␊ |
| ␉␉␉␉␉␉␊ |
| ␉␉␉# stage0FirstBootable=1 is used to know if 'A' is true.␊ |
| ␉␉␉if [ $stage0FirstBootable == 1 ]; then␊ |
| ␉␉␉␉# i = current slice we're checking, slicenumber = slice trying to install to.␊ |
| ␉␉␉␉if [ $i -lt $sliceNumber ]; then␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "WARN: Conditions point to you receiving a boot failure"␊ |
| ␉␉␉␉␉# Fix by making previous paritionboot sector un-bootable␊ |
| ␉␉␉␉␉# Change Byte 01FExh to 00 (510 decimal)␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "---"␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "FIX: Make ${targetDisk}s${i} boot sector un-bootable by changing byte 1FEh to 00."␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: Any Extra folder you had there will still be there. If you want to use"␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: ${targetDisk}s${i} again as your boot partition then re-run this installer"␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: selecting it as the target, ONLY choosing the 'Chameleon Bootloader' option"␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: and NONE of the other options."␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "---"␊ |
| ␉␉␉␉␉dd if=${targetDisk}s${i} count=1 bs=512 of=/tmp/originalBootSector␊ |
| ␉␉␉␉␉cp /tmp/originalBootSector /tmp/newBootSector␊ |
| ␉␉␉␉␉dd if="$scriptDir/patch" of=/tmp/newBootSector bs=1 count=1 seek=510 conv=notrunc␊ |
| ␉␉␉␉␉dd if=/tmp/newBootSector of=${targetDisk}s${i} count=1 bs=512␊ |
| ␉␉␉␉else␊ |
| ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: but won't interfere as you're installing to an earlier partition."␊ |
| ␉␉␉␉fi␊ |
| ␉␉␉else␊ |
| ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: so select to boot that partition (if used) with active flag."␊ |
| ␉␉␉fi␊ |
| ␉␉fi␊ |
| ␉done␊ |
| ␊ |
| #else␊ |
| ␉#echo "DEBUG: Just one slice"␊ |
| fi␊ |
| ␊ |
| exit 0 |
