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#!/sbin/sh
#
# Functions for backuptool.sh
#
export C=/tmp/backupdir
export S=/system
export V=13.0
copy_file() {
cp -dp "$1" "$2"
# symlinks don't have a context
if [ ! -L "$1" ]; then
# it is assumed that every label starts with 'u:object_r' and has no white-spaces
local context=`ls -Z "$1" | grep -o 'u:object_r:[^ ]*' | head -1`
chcon "$context" "$2"
fi
}
backup_file() {
if [ -e "$1" -o -L "$1" ]; then
local F=`basename "$1"`
local D=`dirname "$1"`
# dont backup any apps that have odex files, they are useless
if ( echo "$F" | grep -q "\.apk$" ) && [ -e `echo "$1" | sed -e 's/\.apk$/\.odex/'` ]; then
echo "Skipping odexed apk $1";
else
mkdir -p "$C/$D"
copy_file "$1" "$C/$D/$F"
fi
fi
}
restore_file() {
local FILE=`basename "$1"`
local DIR=`dirname "$1"`
if [ -e "$C/$DIR/$FILE" -o -L "$C/$DIR/$FILE" ]; then
if [ ! -d "$DIR" ]; then
mkdir -p "$DIR";
fi
copy_file "$C/$DIR/$FILE" "$1";
if [ -n "$2" ]; then
echo "Deleting obsolete file $2"
rm "$2";
fi
fi
}
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