script for dump information and backup disks of an android device.

dumpdroid.sh

#!/bin/sh
set -x
set -e

D=$(date +"%Y%m%d%H%M%S")

mkdir ${D} && cd ${D}
# reboot to get clean kmsg
adb reboot || true
adb wait-for-device

adb shell cat -f /proc/kmsg > kmsg.txt
adb shell getprop > prop.txt
# pm
adb shell pm list packages > pm-packages.txt
adb shell pm list features > pm-features.txt
adb shell pm list permissions > pm-permissions.txt
adb shell pm list users > pm-users.txt
adb shell pm list libraries > pm-libraries.txt
adb shell pm list permission-groups > pm-permission-groups.txt

# paritions
adb shell mount > mount.txt 
adb shell 'ls -l  /dev/block/*/by-name/*' > blocks.txt
blocks=$(adb shell 'echo /dev/block/*/by-name/*')
# backup partition images
for block in $blocks ; do 
    adb shell cat $block | gzip -9 > block-$(basename $block).gz
done

adb shell dumpsys > dumpsys.txt