123 lines
2.9 KiB
Bash
123 lines
2.9 KiB
Bash
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#!/bin/sh
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# NOTE: busybox is using ash, a very posix and very pedantic shell, make sure
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# you test your scripts with
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# busybox sh -n <script>
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# and if you really, really don't want to download busybox to try it, then go
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# ahead and brick your device
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# The updater script on the NWZ has a major bug/feature:
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# it does NOT clear the update flag if the update scrit fails
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# thus causing a update/reboot loop and a bricked device
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# always clear to make sure we don't end up being screwed
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nvpflag fup 0xFFFFFFFF
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# go to /tmp
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cd /tmp
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# get content partition path
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CONTENTS="/contents"
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CONTENTS_PART=`mount | grep contents | awk '{ print $1 }'`
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# print a message to the screen and also on the standard output
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# lcdprint x,y msg
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lcdprint ()
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{
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echo $2
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lcdmsg -f /usr/local/bin/font_08x12.bmp -l $1 "$2"
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}
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# clear screen
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lcdmsg -c ""
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lcdprint 0,3 "Contents partition:\n$CONTENTS_PART"
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# We need to remount the contents partition in read-write mode be able to
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# write something on it
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lcdprint 0,6 "Remount $CONTENTS rw"
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mount -o remount,rw $CONTENTS_PART $CONTENTS
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if [ "$?" != 0 ]; then
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lcdprint 0,15 "ERROR: remount failed"
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sleep 3
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exit 0
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fi
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# redirect all output to a log file
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exec > "$CONTENTS/uninstall_dualboot_log.txt" 2>&1
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# import constants
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. /install_script/constant.txt
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ROOTFS_TMP_DIR=/tmp/rootfs
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SPIDERAPP_PATH=$ROOTFS_TMP_DIR/usr/local/bin/SpiderApp
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# mount root partition
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lcdprint 0,7 "Mount root filesystem"
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mkdir $ROOTFS_TMP_DIR
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if [ "$?" != 0 ]; then
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lcdprint 0,15 "ERROR: mkdir failed"
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sleep 3
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exit 0
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fi
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# If there is an ext4 mounter, try it. Otherwise or on failure, try ext3 and
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# then ext2.
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# NOTE some platforms probably use an mtd and this might need some fixing
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if [ -e /usr/local/bin/icx_mount.ext4 ]; then
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/usr/local/bin/icx_mount.ext4 $COMMON_ROOTFS_PARTITION $ROOTFS_TMP_DIR
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else
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false
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fi
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if [ "$?" != 0 ]; then
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mount -t ext3 $COMMON_ROOTFS_PARTITION $ROOTFS_TMP_DIR
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fi
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if [ "$?" != 0 ]; then
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mount -t ext2 $COMMON_ROOTFS_PARTITION $ROOTFS_TMP_DIR
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fi
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if [ "$?" != 0 ]; then
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lcdprint 0,15 "ERROR: mount failed"
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sleep 3
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exit 0
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fi
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# the installer renames the OF to $SPIDERAPP_PATH.of so if it does not exists
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# print an error
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lcdprint 0,8 "Restore OF"
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if [ ! -e $SPIDERAPP_PATH.of ]; then
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lcdprint 0,15 "ERROR: cannot find OF"
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lcdprint 0,16 "ERROR: is Rockbox installed?"
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sleep 3
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exit 0
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fi
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# restore the OF
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mv $SPIDERAPP_PATH.of $SPIDERAPP_PATH
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if [ "$?" != 0 ]; then
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lcdprint 0,15 "ERROR: restore failed"
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sleep 3
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exit 0
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fi
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# unmount root partition
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lcdprint 0,11 "Unmount root filesystem"
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sync
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if [ "$?" != 0 ]; then
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umount "$ROOTFS_TMP_DIR"
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lcdprint 0,15 "ERROR: sync failed"
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sleep 3
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exit 0
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fi
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umount $ROOTFS_TMP_DIR
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if [ "$?" != 0 ]; then
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lcdprint 0,15 "ERROR: umount failed"
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sleep 3
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exit 0
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fi
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# Success screen
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lcdprint 0,15 "Rebooting in 3 seconds."
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sleep 3
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sync
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echo "Uninstallation successful"
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# finish
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exit 0
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