2008-03-06 10:52:37 -07:00
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#!/bin/sh
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BLOCKSIZE=516096
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WORKING_DIR=`pwd`
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echo "This script will create a bootable ext3 image from buildroot."
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echo "Enter the path to the image (${WORKING_DIR})"
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read IMG_PATH
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if [ "${IMAGE_PATH}" = "" ]; then
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IMAGE_PATH=${WORKING_DIR}
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fi
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echo "Enter the name of the image file (buildroot.img)"
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read IMG_NAME
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if [ "${IMAGE_NAME}" = "" ]; then
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IMAGE_NAME="buildroot.img"
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fi
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IMAGE=${IMAGE_PATH}/${IMAGE_NAME}
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2008-05-01 09:21:47 -06:00
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echo "Enter the path and filename for the root filesystem"
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echo "tarball that you want to install into the image"
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2008-03-06 10:52:37 -07:00
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read ROOT_PATH
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if [ "${ROOT_PATH}" = "" ]; then
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echo "Error: you must specify a path."
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exit 1
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fi
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CYLINDERS=`du --summarize --block-size=${BLOCKSIZE} ${ROOT_PATH}`
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BYTE_SIZE=`du --summarize --block-size=${BLOCKSIZE} --human-readable ${ROOT_PATH}`
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CYLINDERS=${CYLINDERS%${ROOT_PATH}}
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BYTE_SIZE=${BYTE_SIZE%${ROOT_PATH}}
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2008-05-01 09:21:47 -06:00
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CYLINDERS=`expr ${CYLINDERS} "*" 2`
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2008-03-06 10:52:37 -07:00
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echo "Now I will create an ext3 image file"
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echo "using ${CYLINDERS} cylinders, with ${BLOCKSIZE} bytes per block"
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echo "in other words, ${BYTE_SIZE}bytes..."
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dd if=/dev/zero of=${IMAGE} bs=${BLOCKSIZE}c count=${CYLINDERS}
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# Create file partition and filesystem
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# STEP 1. create partition
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/sbin/losetup /dev/loop3 ${IMAGE}
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# probably should figure out how to use GNU parted to do this non-interactively
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/sbin/fdisk -u -C${CYLINDERS} -S63 -H16 /dev/loop3
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/sbin/losetup -d /dev/loop3
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# STEP 2. make file system (ext3)
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/sbin/losetup -o 32256 /dev/loop3 ${IMAGE}
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/sbin/mkfs.ext3 /dev/loop3
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/sbin/losetup -d /dev/loop3
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# Install Software to the image
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mkdir -p ${IMAGE_PATH}/temp
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mount -o offset=32256,loop ${IMAGE} ${IMAGE_PATH}/temp
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2008-05-01 09:21:47 -06:00
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tar -xvf ${ROOT_PATH} --directory ${IMAGE_PATH}/temp
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2008-03-06 10:52:37 -07:00
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# make sure to unmount the image
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umount ${IMAGE_PATH}/temp
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rm -rf ${IMAGE_PATH}/temp
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# Create a VMware .vmx file
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cat > ${IMAGE_PATH}/buildroot.vmx <<EOF
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config.version = "8"
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virtualHW.version = "3"
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uuid.location = "56 4d 5c cc 3d 4a 43 29-55 89 5c 28 1e 7e 06 58"
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uuid.bios = "56 4d 5c cc 3d 4a 43 29-55 89 5c 28 1e 7e 06 58"
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uuid.action = "create"
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checkpoint.vmState = ""
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displayName = "Buildroot"
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annotation = ""
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guestinfo.vmware.product.long = ""
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guestinfo.vmware.product.url = "http://dcgrendel.be/vmbuilder/"
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guestOS = "linux"
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numvcpus = "1"
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memsize = "256"
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paevm = "FALSE"
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sched.mem.pshare.enable = "TRUE"
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MemAllowAutoScaleDown = "FALSE"
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MemTrimRate = "-1"
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nvram = "nvram"
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mks.enable3d = "FALSE"
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vmmouse.present = "TRUE"
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tools.syncTime = "TRUE"
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tools.remindinstall = "FALSE"
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isolation.tools.hgfs.disable = "FALSE"
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isolation.tools.dnd.disable = "FALSE"
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isolation.tools.copy.enable = "TRUE"
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isolation.tools.paste.enabled = "TRUE"
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gui.restricted = "FALSE"
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ethernet0.present = "TRUE"
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ethernet0.connectionType = "bridged"
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ethernet0.addressType = "generated"
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ethernet0.generatedAddress = "00:0c:29:7e:06:58"
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ethernet0.generatedAddressOffset = "0"
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usb.present = "TRUE"
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usb.generic.autoconnect = "FALSE"
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sound.present = "TRUE"
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sound.virtualdev = "es1371"
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ide0:0.present = "TRUE"
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ide0:0.fileName = "buildroot.vmdk"
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ide0:0.deviceType = "disk"
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ide0:0.mode = ""
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ide0:0.redo = ""
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ide0:0.writeThrough = "FALSE"
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ide0:0.startConnected = "TRUE"
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2008-05-01 09:21:47 -06:00
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ide1:0.present = "FALSE"
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2008-03-06 10:52:37 -07:00
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ide1:0.fileName = ""
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ide1:0.deviceType = "disk"
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ide1:0.mode = ""
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ide1:0.redo = ""
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ide1:0.writeThrough = "FALSE"
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ide1:0.startConnected = "FALSE"
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floppy0.present = "FALSE"
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serial0.present = "FALSE"
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serial1.present = "FALSE"
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parallel0.present = "FALSE"
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EOF
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# Install GRUB
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/sbin/grub --no-floppy --batch <<EOT
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device (hd0) ${IMAGE}
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geometry (hd0) ${CYLINDERS} 16 63
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root (hd0,0)
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setup (hd0)
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quit
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EOT
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