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|
#!/bin/sh
mp=/mnt/root.tmp
fs=/
excludes='--exclude /var/log/ --exclude /tmp/'
devs()
{
btrfs fi sh "$fs" | sed -ne 's?^[ \t]*devid[ \t].*/dev?/dev?p'
}
[ $(id -u) = 0 ] || exec sudo "$0" "$@" || exit
if ! [ -e "$mp" ] || ! mountpoint -q "$mp"
then
mkdir -p "$mp"
dev=$(devs | tail -n1) || exit
mount -t btrfs "$dev" -o subvol=/ "$mp" || exit
fi
case $# in
0) run()
{
rsync -xani $excludes "$mp"/root/ "$mp"/root~orig/
}
;;
*) run()
{
for f
do
diff "$mp"/root/"$f" "$mp"/root~orig/"$f"
done
}
;;
esac
if [ -t 0 ]
then
run "$@" | less
else
run "$@"
fi
umount "$mp"
|
