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|
#!/bin/bash
#
# Android backup
#
# Basic parameters
BASENAME="`basename $0`"
NAME="$1"
# Backup user files
function android_backup_files {
if [ ! -z "$1" ]; then
USER_ID="$1"
else
USER_ID="0"
fi
BASE="/storage"
EMULATED="$BASE/emulated/$USER_ID"
# Files: full copy
#adb pull $EMULATED files/
# Remove multimedia cache from backup
#rm -rf files/Music
# Files: full basic copy
#adb shell ls -1 $EMULATED | grep -v ^Music | while read file; do
# adb pull $EMULATED/$file files/
#done
mkdir -p files/$USER_ID
# Files: incremental basic copy
for file in `adb shell ls -1 $EMULATED | grep -v '^Music'`; do
adb-sync --delete --reverse $EMULATED/$file files/$USER_ID/
done
# SD cards
for file in `adb shell ls -1 $BASE | grep -v "^self" | grep -v "^emulated"`; do
adb-sync --delete --reverse $BASE/$file files/
done
}
# Restore user files
function android_restore_files {
if [ ! -z "$1" ]; then
USER_ID="$1"
else
USER_ID="0"
fi
BASE="/storage/emulated/$USER_ID"
# Files: complete copy
#for file in `ls files`; do
# adb push files/$file $base/$file
#done
# Files: incremental copy
for file in `ls $WORK/android-backup-$NAME-$DATE/files/$USER_ID`; do
adb-sync --delete $WORK/android-backup-$NAME-$DATE/files/$USER_ID/$file/ $BASE/$file/
done
}
function android_backup_backup {
# Check previous backup
if [ -d "$STORAGE/$DATE" ]; then
echo "backup for $DATE already exists"
exit 1
fi
# Work folder
mkdir -p $WORK/android-backup-$NAME-$DATE && cd $WORK/android-backup-$NAME-$DATE &> /dev/null || exit 1
# If you have a previous backup you might want to use it with hardlinks
if [ -e "$STORAGE/$PREVIOUS/files" ]; then
sudo cp -alf $STORAGE/$PREVIOUS/files files
fi
# Ensure we have a files folder
mkdir -p files
# Contacts. Export also to a .vcf directly from the contact app
adb-export.sh -e content://com.android.contacts/contacts
adb shell content query --uri content://com.android.contacts/contacts > contacts.rows
# User and system information
adb shell dumpsys user > users.dump
adb shell dumpsys > system.dump
# Configurations
# Right now this is possible only for the main user
# https://stackoverflow.com/questions/50978678/adb-backup-restore-multiple-users-apps
# https://android.stackexchange.com/questions/43043/non-root-backup-with-multiple-users-non-owner-or-secondary-users
#adb backup -apk -shared -all
adb backup -all
# Backup each user files
for USER in $USERS; do
android_backup_files $USER
done
# Move backup to storage
cd .. &> /dev/null && sudo mv android-backup-$NAME-$DATE $STORAGE/$DATE
}
function android_backup_restore {
# Check for previous backups
if [ -z "$PREVIOUS" ]; then
echo "$BASENAME: no previous backups for device $NAME"
exit 1
fi
# Copy files to workfolder
mkdir -p $WORK && sudo cp -alf $STORAGE/$PREVIOUS $WORK/android-backup-$NAME-$DATE && chown -R `whoami`. android-backup-$NAME-$DATE
# Check if copy was successful
if [ ! -e "$WORK/android-backup-$NAME-$DATE" ]; then
echo "$BASENAME: could not copy from $STORAGE/$PREVIOUS"
exit 1
fi
# Restore each user files
if [ -e "$WORK/android-backup-$NAME-$DATE" ]; then
for USER in $USERS; do
android_restore_files $USER
done
fi
# Configurations
adb restore android-backup-$NAME-$DATE/backup.ab
# Cleanup
rm -rf android-backup-$NAME-$DATE
}
# Syntax check
if [ -z "$NAME" ]; then
echo "$BASENAME: missing phone name"
exit 1
fi
# Additional parameters
WORK="/var/data/load"
DATE="`date +%Y%m%d`"
STORAGE="/var/backups/remote/$NAME.`facter domain`/"
USERS="`adb shell pm list users | grep '{' | cut -d '{' -f 2 | cut -d ':' -f 1 | xargs`"
# Dest folder and previous backups
sudo mkdir -p $STORAGE
PREVIOUS="`sudo ls -1 $STORAGE | tac | head -n 1`"
# Dispatch
if [ "$BASENAME" == "android-backup" ]; then
android_backup_backup
else
android_backup_restore
fi
|
