Revert "dropped the use of @ so the generated zones would work with yadifa too. also exported env vars so child of bind_tld_zonefile_all.sh can use them" This reverts commit ab834161696a4f9150d1c8f52bb6f0f453950cb7.

#!/bin/sh
[ -z $2 ] && echo "Usage: $0 <name> <email>" >&2
[ -z $2 ] && exit 1

git config user.name $1
git config user.email $2