type=$(git-cat-file -t $object) || exit 1
( echo -e "object $object\ntype $type\ntag $1\n"; cat ) > .tmp-tag
rm -f .tmp-tag.asc
type=$(git-cat-file -t $object) || exit 1
( echo -e "object $object\ntype $type\ntag $1\n"; cat ) > .tmp-tag
rm -f .tmp-tag.asc