Raspi2-3_GenImage Files · files/firstboot/20-expandroot.sh

Merge pull request #184 from drtyhlpr/testing...

Merge pull request #184 from drtyhlpr/testing Merge Testing

Yannick Schinko - - Load All Authors

Fichier de la dernière révision:

r576:291657012c0e


                r584:b93827055453

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             20-expandroot.sh
        
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        Jan Wagner
    
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup

              r82
            
      logger -t "rc.firstboot" "Expanding root partition"

      # Detect root partition device

        Filip Pytloun
    
Cleanup code by spliting files

              r47
            
      ROOT_PART=$(mount | sed -n 's|^/dev/\(.*\) on / .*|\1|p')

        Jan Wagner
    
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup

              r82
            
      if [ -z "$ROOT_PART" ] ; then

        log_warning_msg "unable to detect root partition device"

        return 1

      fi

      # Extract root device name

        Filip Pytloun
    
Cleanup code by spliting files

              r47
            
      case "${ROOT_PART}" in

        mmcblk0*) ROOT_DEV=mmcblk0 ;;

        sda*)     ROOT_DEV=sda ;;

      esac

        Jan Wagner
    
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup

              r82
            
      # Check detected root partition name

      PART_NUM=$(echo ${ROOT_PART} | grep -o '[1-9][0-9]*$')

        Jan Wagner
    
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup

              r77
            
      if [ "$PART_NUM" = "$ROOT_PART" ] ; then

        Filip Pytloun
    
Cleanup code by spliting files

              r47
            
        logger -t "rc.firstboot" "$ROOT_PART is not an SD card. Don't know how to expand"

        return 0

      fi

      # NOTE: the NOOBS partition layout confuses parted. For now, let's only

      # agree to work with a sufficiently simple partition layout

        Jan Wagner
    
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup

              r77
            
      if [ "$PART_NUM" -gt 2 ] ; then

        Filip Pytloun
    
Cleanup code by spliting files

              r47
            
        logger -t "rc.firstboot" "Your partition layout is not currently supported by this tool."

        return 0

      fi

        Jan Wagner
    
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup

              r82
            
      # Check if last partition number

        Filip Pytloun
    
Cleanup code by spliting files

              r47
            
      LAST_PART_NUM=$(parted /dev/${ROOT_DEV} -ms unit s p | tail -n 1 | cut -f 1 -d:)

      if [ $LAST_PART_NUM -ne $PART_NUM ]; then

        logger -t "rc.firstboot" "$ROOT_PART is not the last partition. Don't know how to expand"

        return 0

      fi

      # Get the starting offset of the root partition

      PART_START=$(parted /dev/${ROOT_DEV} -ms unit s p | grep "^${PART_NUM}" | cut -f 2 -d: | sed 's/[^0-9]//g')

        Jan Wagner
    
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup

              r77
            
      if [ -z "$PART_START" ] ; then

        logger -t "rc.firstboot" "${ROOT_DEV} unable to get starting sector of the partition"

        return 1

      fi

        Filip Pytloun
    
Cleanup code by spliting files

              r47
            
      # Get the possible last sector for the root partition

      PART_LAST=$(fdisk -l /dev/${ROOT_DEV} | grep '^Disk.*sectors' | awk '{ print $7 - 1 }')

        Jan Wagner
    
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup

              r77
            
      if [ -z "$PART_LAST" ] ; then

        logger -t "rc.firstboot" "${ROOT_DEV} unable to get last sector of the partition"

        return 1

      fi

        Filip Pytloun
    
Cleanup code by spliting files

              r47
            
      ### Since rc.local is run with "sh -e", let's add "|| true" to prevent premature exit

      fdisk /dev/${ROOT_DEV} <<EOF2 || true

      p

      d

      $PART_NUM

      n

      p

      $PART_NUM

      $PART_START

      $PART_LAST

      p

      w

      EOF2

      # Reload the partition table, resize root filesystem then remove resizing code from this file

      partprobe &&

        resize2fs /dev/${ROOT_PART} &&

        Jan Wagner
    
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup

              r82
            
        logger -t "rc.firstboot" "Root partition successfully resized."

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Jan Wagner fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup	r82	logger -t "rc.firstboot" "Expanding root partition"

		# Detect root partition device
Filip Pytloun Cleanup code by spliting files	r47	ROOT_PART=$(mount \| sed -n 's\|^/dev/\(.\) on / .\|\1\|p')
Jan Wagner fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup	r82	if [ -z "$ROOT_PART" ] ; then
		log_warning_msg "unable to detect root partition device"
		return 1
		fi

		# Extract root device name
Filip Pytloun Cleanup code by spliting files	r47	case "${ROOT_PART}" in
		mmcblk0*) ROOT_DEV=mmcblk0 ;;
		sda*) ROOT_DEV=sda ;;
		esac
Jan Wagner fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup	r82
		# Check detected root partition name
		PART_NUM=$(echo ${ROOT_PART} \| grep -o '[1-9][0-9]*$')
Jan Wagner Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup	r77	if [ "$PART_NUM" = "$ROOT_PART" ] ; then
Filip Pytloun Cleanup code by spliting files	r47	logger -t "rc.firstboot" "$ROOT_PART is not an SD card. Don't know how to expand"
		return 0
		fi

		# NOTE: the NOOBS partition layout confuses parted. For now, let's only
		# agree to work with a sufficiently simple partition layout
Jan Wagner Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup	r77	if [ "$PART_NUM" -gt 2 ] ; then
Filip Pytloun Cleanup code by spliting files	r47	logger -t "rc.firstboot" "Your partition layout is not currently supported by this tool."
		return 0
		fi
Jan Wagner fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup	r82
		# Check if last partition number
Filip Pytloun Cleanup code by spliting files	r47	LAST_PART_NUM=$(parted /dev/${ROOT_DEV} -ms unit s p \| tail -n 1 \| cut -f 1 -d:)
		if [ $LAST_PART_NUM -ne $PART_NUM ]; then
		logger -t "rc.firstboot" "$ROOT_PART is not the last partition. Don't know how to expand"
		return 0
		fi

		# Get the starting offset of the root partition
		PART_START=$(parted /dev/${ROOT_DEV} -ms unit s p \| grep "^${PART_NUM}" \| cut -f 2 -d: \| sed 's/[^0-9]//g')
Jan Wagner Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup	r77	if [ -z "$PART_START" ] ; then
		logger -t "rc.firstboot" "${ROOT_DEV} unable to get starting sector of the partition"
		return 1
		fi
Filip Pytloun Cleanup code by spliting files	r47
		# Get the possible last sector for the root partition
		PART_LAST=$(fdisk -l /dev/${ROOT_DEV} \| grep '^Disk.*sectors' \| awk '{ print $7 - 1 }')
Jan Wagner Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup	r77	if [ -z "$PART_LAST" ] ; then
		logger -t "rc.firstboot" "${ROOT_DEV} unable to get last sector of the partition"
		return 1
		fi
Filip Pytloun Cleanup code by spliting files	r47
		### Since rc.local is run with "sh -e", let's add "\|\| true" to prevent premature exit
		fdisk /dev/${ROOT_DEV} <<EOF2 \|\| true
		p
		d
		$PART_NUM
		n
		p
		$PART_NUM
		$PART_START
		$PART_LAST
		p
		w
		EOF2

		# Reload the partition table, resize root filesystem then remove resizing code from this file
		partprobe &&
		resize2fs /dev/${ROOT_PART} &&
Jan Wagner fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup	r82	logger -t "rc.firstboot" "Root partition successfully resized."